Обучение по природни науки и върхови технологии

2015/2, стр. 176 - 186

TEACHING CHEMISTRY AT TECHNICAL UNIVERSITY

Резюме: In the recent years, there have been several growing tendencies, which determine the increased necessity to educate adults. National Strategy for Continuing Professional Training has been developed. Priorities are given to further development of secondary and tertiary education with emphasis at quality of education and im-plementation of ICT. Tertiary education has its specifi c and important place in adult education and responsibility to provide high quality modern training conformed to the requirements of the labour market. Chemistry is one of the fundamental disciplines included in curricula for all students from the Faculty of Electrical Engineering and the Faculty of Mechanical Engineering at Technical University of Gabrovo. It is considered by students as an unintelligible and sophisticated science. Department of Chemistry faces some problems and challenges in order to compensate student’s insuffi cient entry level of knowledge, to enhance students’ motivation in learning chemistry and to make it an attractive discipline. As a part of activities for improving effi ciency of chemistry training an enquiry among students is held in order to evaluate their opinion and satisfaction with a teaching course. The applyed approach gives qualitative and quantitative evaluation of the chosen quality criteria of the course. The results are used to make conclusions for improving the teaching course beginning with quality criteria with the biggest importance. It includes decision to develop and intoductory e-learning course to achieve required starting level of knowledge. The measures taken contribute to enhanced effi ciency and incresed attractiveness of chemistry and enchanced students’ motivation for learning chemistry.

Ключови думи: e-learning; decision making; evaluation of opinions; satisfaction meas-urement

Curriculum Matters
Учебно съдържание, планове, програми и стандарти

Education – national priority for 2014 – 2020.

In the recent years, there have been several growing tendencies, which determine the increased necessity to educate adults such as growing number of school drop-outs, increased number of unemployed specialists holding a university degree, great number of specialists with a tertiary education degree taking a position requiring lower qualifications. National Strategy for Continuing Professional Training1) has been developed. Priorities are given to activities for further development of secondary and tertiary education with emphasis at quality of education and implementation of ICT.2,3)

The educational conception “life-long learning” opens opportunities in front of the particular person to live a dynamic and reasonable life, to develop a personal, professional carrier and good perspectives.4) The dynamics of the modern economy requires constant increase of the qualification of the people, acquiring new knowledge and skills in order for them to become more adaptable to the needs of the labour market.

Developing of lifelong learning (LLL) is one of the priorities in Bulgarian education system, in compliance with the Bologna Process. Bulgarian Ministry of Education, Youth and Science has developed a National Strategy for LLL for the period 2008 – 2013.5) According to he the Lisbon strategy around 13% of all actively working adults (age group 25-64) are expected be involved in LLL activities. A survey conducted in 2005 by Eurostat among the labour force of EU countries shows that for Bulgaria this figure is 1,3%. It is obvious that there is a lot to do in order to make LLL common practice in Bulgaria. Persons from younger age segment, e.g (25-34) are considerably more active in formal and informal education or training. Priorities are given to activities determined by the above reasons. All these activities are a significant part of the process of development of secondary and tertiary education in the Republic of Bulgaria. The major trends are connected with: quality of education; equal access to education; vocational training; labour market; improving of teacher training; wider implementation of ICT in education.

Possible trends for further development of educational system include: (i) establishment of higher schools as potential lifelong learning centres; (ii) strong emphasis on the private sector in tertiary education; stimulation of partnership with business; (iii) enhanced practical orientation of training and learning at universities and colleges; (iv) provision of equal access to quality higher education.

Tertiary education has its specifi c and important place in adult education and the responsibility to provide high quality modern training conformed to the requirements of the labour market. Achieving this goal has never been an easy task and it is a particular challenge in the current dynamic and changeable world. Over the last a few years Bulgarian universities have been facing the ever increasing competition on behalf of foreign universities. Assistance of National Agency for Assessment and Accreditation in providing conditions for the real modernization and reforming of tertiary education institutions and its contribution in creating a solid public trust in higher education has been marginal. In the light of the above, the challenges confronting higher education generate additional gravity. Some of the specific cases to mention are2) (Koleva & Nacheva-Skopalik, 2012): (a) Frequent criticism on behalf of employers concerning the quality and adequacy of preparation of university graduates; (b) Shortage of financial resources for the provision of modern educational process conducted by highly qualified academics; (c) Demographic crisis in the society, accompanied by diminishing the number of potential students amongst young people and increase in the number of the people in more advanced age who need to acquire new knowledge and skills; (d) Change in the profile of the students as more and more of them prefer learning combined with some form of work; (e) An alarming long standing tendency towards deterioration of literacy level; (f) University strategies for lifelong learning should be developed in accordance with three basic principles: - Flexibility at the entry and exit of educational institutions as well as during the very process of education (for example, accreditation of skills acquired at the work place); - Orientation of the process of learning toward labour market and student needs; - Building up networks and partnerships with other institutions of higher learning and most of all with businesses.

Technical subjects and engineering education have been neglected for the last years, however, currently an increasing need and importance of technical subjects for industrial development and knowledge based economy is observed.

Council of Ministers of Republic of Bulgaria declared science and education as a national priority for the period 2014-20203). A new operational program „Science and education for intelligent growth 2014-2020“ has been launched, managed by the Bulgarian Ministry of Education, Youth and Science.6) The main strategic goal is achieving intelligent growth and development of knowledge-based society trough quality improvement of research and education. Five priority areas are specified which include research and technology development, education for real employment, mobility and entrepreneurship, and education, skills and life-long learning. Special attention is paid at: (A) Improving quality of higher education; (B) Increasing the number of university graduates for age group 30-34, achieving inclusion at 36% until 2020; (C) Providing conditions for development of life-long personal and professional knowledge and skills.

Universities have the difficult task to solve this problem and Technical University of Gabrovo is not an exception.

Teaching chemistry at technical universities

Chemistry is one of the fundamental disciplines included in curricula for all students from the Faculty of Electrical Engineering (FEE) and the Faculty of Mechanical Engineering (FME) at Technical University of Gabrovo.

Department of Chemistry faces some problems and challenges. Chemistry is considered by students as an unintelligible and sophisticated science. According to learners some of the most frequently faced difficulties in chemistry studies at school are connected with poorly presented content of course books, poor methods of teaching and assessment, outdated, inadequate or unavailable laboratory equipment (Gendjova, 2014; Peteva et al., 2014). Most of the interviewed secondary school students share the opinion that chemistry is an unintelligible and sophisticated science (Bozova & Bozov, 2014). There is no particular interest in chemistry and that is a process which has been going on for years (Gendjova, 2014; Peteva et al., 2014, Thimmappa, 2014). The discipline remains underrated, the material taught is not oriented to practice which makes it not topical. Therefore way of teaching and its further practical applicability are of crucial importance (Thimmappa, 2014). Additionally, the student’s knowledge in this discipline from the secondary school varies a lot4) (Koleva & Nacheva-Skopalik, 2012).

Therefore the department faces an urgent need to compensate student’s insufficient entry level of knowledge, to improve quality and enhance effi ciency of teaching chemistry to enhance students’ motivation in learning chemistry and to make it an attractive discipline.

The Chemistry department is involved in different activities aimed at these crucial goals. Our investigation shows that in order to have a complex approach to solve the problems they have to be explored from different points of view. There is need to consider three main areas: (i) best practices; (ii) chemistry teachers’ and experts’ experience and to apply their joint efforts; (iii) students’ opinion for chemistry training.

Some of the mentioned problems are not only local and national, but common for most EU countries. The work connected with the first two directions is part of an European project, funded in the framework of the Lifelong Learning Programme, Comenius sub programme. TU-Gabrovo is a partner in “Chemistry is All Around Network Project”. The network involves 13 partners from 11 European countries among which universities, education and training organizations and one technical partner.7)

Analysis of various practical cases shows that promoting life-long learning strategies for scientific issues is much more difficult, if compared to other subject areas (e.g. humanities, economics and languages). Additionally, teachers, as key factors of the promotion of scientifi c awareness, have to face a major challenge coming from the fact that the speed of the development of scientific knowledge is continually increasing. Chemistry is recognised as one of the most difficult scientific subjects and therefore the “Chemistry is All Around Network project” aims at stimulating the interest of students towards the study of chemistry.

The general aim will be achieved through various specific objectives, which include: (i) Enhance the interest and stimulate the active learning process of students of all educational levels, by sharing the most effective ICT based practical experiences; (ii) Create a working European Network for the exchange and comparison of experiences and knowledge in order to promote chemistry training.

Project program aim at active involvement of chemistry scientific experts and teachers in a joint effort to share experience, firstly, about the national and international state of art regarding the main obstacles that affect the interest of students for chemistry and, secondly, about initiatives, methodological approaches, didactical solutions that demonstrated to be effective in answering to the identified barriers. The results obtained will contribute not only to presenting the actual state of the art but will suggest ideas for future perspectives of teaching chemistry. Expected effect is to specify more innovative, attractive and interactive approach in teaching chemistry and to suggest solutions for promoting the learning of chemistry by making it more attractive to students through the use of ICTs. The project stresses on the exploitation and valorisation of enquiry based teaching methods and solutions. Evaluation of the project by the teachers and adult users proves its necessity and importance as efficient and non traditional instrument to enhance the interest in learning chemistry to make chemistry closer to people and more attractive for students.

The activities mentioned so far cover two of the three specifi ed directions of work. Teaching is two-way process, interaction between teachers and students. Therefore exploring students’ opinion is necessary I order to complete the full picture of teaching and learning. Further more, our research proves that in order to achieve efficient optimal learning process we have to apply principles of feedback system where obligatory component is evaluation of the feedback from students (Nacheva-Skopalik, 2007).

Our experience in evaluation of students’ opinion for chemistry course in presented in this paper.

Efficiency of a teaching course

Efficiency of education system depends on various factors, which can be defined in the following main groups: directly connected with the teaching process and courses, psychological infl uence on the students, organizational, administrative, and financial. Additionally, there are various national and regional differences, type of education, culture and traditions and other factors in the education systems. Therefore, the complexity of the problem requires research in order to achieve effective education.

Full examination of efficiency of education requires involvement of wide range of specialists, including specialist in the knowledge domain, pedagogies, psychologists, sociologists, financial and management experts, mathematicians, etc. This is a work load of a wide scale, subject to a big national or international project.

A starting point for enhancing effi ciency of education is enhancing effi ciency of the teaching course and learning process. This is one of the directions for research and practical implementation of Department of Chemistry at TU-Gabrovo. Some of the work done and the experience gained are presented in this paper.

Quality management system approaches in education

One of the criteria for the potential of a nation is the quality and capacity of people’s knowledge. This criterion is particularly important at the current stage of the society development. Knowledge is considered to be not only social good; it became a specific product (service). That is why there is increased attention to evaluation of quality and efficiency of education and the contribution of university education to the economic growth and increasing competitiveness. Higher education has to meet the needs of the society. Therefore the educational service has to fill the requirements of the quality standards.

Education is a specific service; however the main principles for quality management can be applied to it. As mentioned above, education is seen as a service of great public importance; however it is also of a great importance to the student. Students are seen as main “customers” of the service “education”. Therefore a teaching course has to fi ll students’ requirements.

ISO 9000 series standards require continual improvement of quality management system and evaluation of customers’satisfaction with the product (service).8) Customers’ satisfaction with quality a product (service) as well as evaluation of effi ciency is a subjective perception, depending on various criteria. Thus, it is necessary to apply multiple criteria optimization approaches in order to evaluate the level of customer satisfaction (Nacheva-Skopalik, 2010).

Quality of a product (service) is a complex characteristic which is in practice a set of various characteristics. Each quality characteristic is characterized by quantitative and qualitative valuations. The qualitative valuation defines the level of importance of the quality characteristic. The quantitative valuation gives the level of customer satisfaction with this quality characteristic. The combination of these two valuations gives a complex evaluation of the customer’s satisfaction with the chosen quality characteristic (Nacheva-Skopalik, 2007; 2010). The developed approach for satisfaction measurement applies the method for calculating weighting coeffi cients to define the importance of the characteristics (qualitative valuation) (Stoyanov, 1993). The approach is reliable because the weighting coefficients are calculated only if there is concordance in the customers’ opinion with defined probability.

The importance of the quality characteristics is significant at both stages: development of the product (service) and improving their quality8) (Nacheva-Skopalik, 2010). Four areas in the space of the weighting coefficients and the level of satisfaction are defined: area of high satisfaction and high importance; area of low satisfaction and low importance; area of low satisfaction and high importance; area of high satisfaction and low importance (Fig.1). The accepted limits of these areas can vary and are subject to define for the different practical cases. It is crucial to have high level of satisfaction for the most important characteristics. The decision maker makes conclusions how and which characteristic to change in order to improve quality, depending on a particular final aim. It is logical always to start with characteristics with higher importance.

Evaluation of student’s satisfaction with a teaching course in chemistry

The Department of Chemistry at Technical University of Gabrovo is actively working for improving quality of the teaching course in chemistry, increasing attractiveness of chemistry and students’ motivation for learning chemistry. A lot of work has been done to develop teaching materials using modern information technologies, including attractive presentations, multimedia and animation; however, there is still field for more improvements (Nacheva-Skopalik, L. & Koleva M., 2012).

Limit of satisfactionŶy1Ŷy6Ŷy2Ŷy5Ŷy3Ŷy7Ŷy4Region of highsatisfaction and bigimportanceRegion of lowsatisfaction andsmallimportance100Level of satisfaction %5000.5

0

1.0

Weighting coefficients

Figure 1. Level of satisfaction with quality characteristics

An enquiry among students aims at exploring students’ opinion for the importance of the quality characteristics of the study course in order to direct the efforts for improvements to the most important ones. The enquiry gives also information for the level of students’ satisfaction with the current course.

After discussions and consultancy with university academics 9 quality criteria for examination were defined and included in the enquiry card (Table 1.).

Table 1. Enquiry for a teaching course in chemistry - quality criteria

Quality criteria for a teaching course in chemistryRRankLevel ofsatisfactionY1Quality of the lectures – use of comprehensible andattractive approaches for presenting teaching materialY2Small groups for the practical sessionsY3Quality of the practical sessions - use of comprehensi-ble and attractive approaches for presenting teachingmaterialY4Available learning recoursesY5Topical and practically directed teaching materialY6Self-study (literature, consultations, internet access)Y7Conditions for the learning process (laboratories equip-ment)Y8Number of the students for lecturesY9Objective and precise assessmentY10Other (please, specify)

The students are asked to give their opinion using a number between 0 and 10 in a column “Level of satisfaction with the characteristic (0-10). This number shows the level of their satisfaction with each quality characteristic. The number 0 means full lack of satisfaction, number 10 means full satisfaction. The students are asked to give their opinion by grading (arranging) the quality characteristics by their importance. They have to put ranks (priorities) in the column “Rank” to all given characteristics in the table using numbers. The highest rank (priority) is 1. The lowest rank (priority) is 10. In their opinion, they can put in the table equal ranks for some of the characteristics.

The target group is 1-st year students at FEE. An anonymous enquiry was made during the last week of the summer semester of 2011/2012 academic year, after having some tests during the semester. Enquiry results re presented in Table 2 and Fig.1.

Table 2. Enquiry results

Quality criteriaY1Y2Y3Y4Y5Y6Y7Y8Y9totalFME2011weight coeff.0,1850,1190,2060,1470,1030,0620,0790,0080,091rank241358796satisfaction78,6%67,1%71,4%70,0%67,1%61,4%67,1%58,6%71,4%70,5%FEE2011weight coeff.0,1460,1280,1450,0920,0950,0800,1240,0700,120rank132768495satisfaction73,8%71,5%69,2%64,8%61,7%63,5%61,7%45,0%67,3%65,7%FEE2012weight coeff.0,1470,1290,1200,1180,1130,0830,1090,0840,097rank123459687satisfaction69,4%77,6%74,4%69,2%70,2%67,8%72,2%68,8%71,8%71,3%SATISFACTIONMEASUREMENTGRAPHFEE,SUMMER 2012Y2Y3Y1Y7Y9Y5Y4Y8Y6505560657075800,050,070,090,110,130,150,17Weighting coefficientsLevelofsatisfaction[%]

Figure 2. Satisfaction measurement graph

The fi rst four ranked characteristics are: quality of the lectures – use of comprehensible and attractive approaches for presenting teaching material (Y1), small groups for the practical sessions (Y2), quality of the practical sessions - use of comprehensible and attractive approaches for presenting teaching material (Y3), available learning recourses (Y4). All of them are with satisfaction level above 60% which is rewarding result for the efforts made to improve the course. However, there is still need to improve Y1 and Y4, which are important and currently with relatively low satisfaction level among the other characteristics.

Looking at the results form the previous investigation it is seen that the first 4 characteristics can be defined as most important.

Measures taken for improving quality and efficiency of chemistry course

The results are used to make conclusions for improving the teaching course beginning with quality criteria with the biggest importance. After discussing the enquiry results and sharing the personal experience of chemistry module lecturers the team came to the decision to develop an introductory interactive e-learning course in chemistry. Such a course will compensate the lack of entry knowledge level of the students and will provide background to achieve the learning outcomes of the university course in chemistry. Using the power of the modern multimedia approaches the course aim is to improve quality and enhancing efficiency of teaching chemistry, to make the subject attractive to students, to motivate and stimulate their learning.

Conclusion

Education is a national priority for Bulgarian policy for the period 2014-20. An emphasis is given to further development of higher education, including extended options for life-long learning and wider introducing of ICT. Improving quality and enhancing efficiency of teaching chemistry is an integral part of the common efforts for improving quality of university education. Department of Chemistry works in various directions to achieve this goal. Evaluation of students’ opinion and their satisfaction with chemistry course contributes to making relevant decisions in this direction.

NOTES

1. National strategy for continuing vocational training 2005 – 2010, Ministry of education, youth and science.

2. Eurybase - Bulgaria, The Information Database on Education Systems in Europe 2005/06.

3. http://www.mon.bg/?go=news&p=detail&newsId=31

4. The educational conception for „Life Long Learning” in Bulgaria, BG-National Report, N° 167126-LLP-1-2009-1-IT-KA1-KA1ECETB.

5. National strategy for lifelong learning (LLL) for the period 2008 – 2013, Ministry of education, youth and science.

6. http://www.minedu.government.bg/news-home/2013/13-01-10_OP-nauka.html
7. http://chemistrynetwork.pixel-online.org/info/index.php
8. http://www.mon.bg/?go=news&p=detail&newsId=31

REFERENCES

Bozova, M. & Bozov, P. (2014). How to motivate pupils of 7th grade to learn, Chemistry, 23, 18-27 [in Bulgarian].

Gendjova, A. (2014) Some strategies for motivation students to learn chemistry, Chemistry, 23, 53-73 [in Bulgarian].

Koleva, M. & Nacheva-Skopalik L. (2012). Making chemistry an attractive subject for lifelong learning: interactive approach in presenting educational content (pp. 29-34). The “New perspective in science education”. 8 - 9 March, Florence, Italy.

Nacheva-Skopalik, L. (2007). An examination of an intelligent cybernetic learning model for formative assessment and diagnostics in open and distance learning: PhD thesis. Middlesbrough: Teesside University.

Nacheva-Skopalik, L. (2010). Satisfaction measurement in education (pp. 436-466). In: Lazarinis, F., Green, S. & Pearson, E. (Eds). Handbook of Research on E-Learning Standards and Interoperability: Frameworks and Issues. New York: IGI Global.

Peteva, Z., Makedonski, D. & Stancheva, M. (2014). Incresing student’s interest in chemnistry with context-based approaches for control and assessment in English language program at Medical University in Varna, Chemistry, 23, 73-88.

Stoyanov, S. (1993). Optimization of technological processes. Sofia: Tehnika [in Bulgarian].

Thimmappa, B.H.S. (2013). Perspectives on technology enhanced learning and teaching for an exciting learning experience, Chemistry, 22, 30-52.

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WATER PURIFICATION WITH LASER RADIATION

Lyubomir Lazov, Hristina Deneva, Galina Gencheva

2019 година
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LASER MICRO-PERFORATION AND FIELDS OF APPLICATION

Hristina Deneva, Lyubomir Lazov, Edmunds Teirumnieks

ПРОЦЕСЪТ ДИФУЗИЯ – ОСНОВА НА ДИАЛИЗАТА

Берна Сабит, Джемиле Дервиш, Мая Никова, Йорданка Енева

IN VITRO EVALUATION OF THE ANTIOXIDANT PROPERTIES OF OLIVE LEAF EXTRACTS – CAPSULES VERSUS POWDER

Hugo Saint-James, Gergana Bekova, Zhanina Guberkova, Nadya Hristova-Avakumova, Liliya Atanasova, Svobodan Alexandrov, Trayko Traykov, Vera Hadjimitova

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ТЕХНОЛОГИЯ

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ON THE GENETIC TIES BETWEEN EUROPEAN NATIONS

Jordan Tabov, Nevena Sabeva-Koleva, Georgi Gachev

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CHEMOMETRIC ANALYSIS OF SCHOOL LIFE IN VARNA

Radka Tomova, Petinka Galcheva, Ivajlo Trajkov, Antoaneta Hineva, Stela Grigorova, Rumyana Slavova, Miglena Slavova

ЦИКЛИТЕ НА КРЕБС

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ПРИНЦИПИТЕ НА КАРИЕРНОТО РАЗВИТИЕ НА МЛАДИЯ УЧЕН

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UTILISATION OF THE STATIC EVANS METHOD TO MEASURE MAGNETIC SUSCEPTIBILITIES OF TRANSITION METAL ACETYLACETONATE COMPLEXES AS PART OF AN UNDERGRADUATE INORGANIC LABORATORY CLASS

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THE 100

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A TALE OF SEVEN SCIENTISTS

Scerri, E.R. (2016). A Tale of Seven Scientists and a New Philosophy of Science.

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DEVELOPMENT OF A LESSON PLAN ON THE TEACHING OF MODULE “WATER CONDUCTIVITY”

A. Thysiadou, S. Christoforidis, P. Giannakoudakis

AMPEROMETRIC NITRIC OXIDE SENSOR BASED ON MWCNT CHROMIUM(III) OXIDE NANOCOMPOSITE

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THE EFFECT OF AGING TIME ON Mg/Al HYDROTALCITES STRUCTURES

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A CONTENT ANALYSIS OF THE RESULTS FROM THE STATE MATRICULATION EXAMINATION IN MATHEMATICS

Elena Karashtranova, Nikolay Karashtranov, Vladimir Vladimirov

SOME CONCEPTS FROM PROBABILITY AND STATISTICS AND OPPORTUNITIES TO INTEGRATE THEM IN TEACHING NATURAL SCIENCES

Elena Karashtranova, Nikolay Karashtranov, Nadezhda Borisova, Dafina Kostadinova

45. МЕЖДУНАРОДНА ОЛИМПИАДА ПО ХИМИЯ

Донка Ташева, Пенка Василева

2018 година
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ЗДРАВЕ И ОКОЛНА СРЕДА

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РОБОТИКА ЗА НАЧИНАЕЩИ ЕНТУСИАСТИ

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DESIGN AND DOCKING STUDIES OF HIS-LEU ANALOGUES AS POTENTIOAL ACE INHIBITORS

Rumen Georgiev, , Tatyana Dzimbova, Atanas Chapkanov

X-RAY DIFFRACTION STUDY OF M 2 Zn(TeО3)2 (M - Na, K) ТELLURIDE

Kenzhebek T. Rustembekov, Mitko Stoev, Aitolkyn A. Toibek

CALIBRATION OF GC/MS METHOD FOR DETERMINATION OF PHTHALATES

N. Dineva, I. Givechev, D. Tanev, D. Danalev

ELECTROSYNTHESIS OF CADMIUM SELENIDE NANOPARTICLES WITH SIMULTANEOUS EXTRACTION INTO P-XYLENE

S. S. Fomanyuk, V. O. Smilyk, G. Y. Kolbasov, I. A. Rusetskyi, T. A. Mirnaya

БИОЛОГИЧЕН АСПЕКТ НА РЕКАНАЛИЗАЦИЯ С ВЕНОЗНА ТРОМБОЛИЗА

Мариела Филипова, Даниела Попова, Стоян Везенков

CHEMISTRY: BULGARIAN JOURNAL OF SCIENCE EDUCATION ПРИРОДНИТЕ НАУКИ В ОБРАЗОВАНИЕТО VOLUME 27 / ГОДИНА XXVII, 2018 ГОДИШНО СЪДЪРЖАНИЕ СТРАНИЦИ / PAGES КНИЖКА 1 / NUMBER 1: 1 – 152 КНИЖКА 2 / NUMBER 2: 153 – 312 КНИЖКА 3 / NUMBER 3: 313 – 472 КНИЖКА 4 / NUMBER 4: 473 – 632 КНИЖКА 5 / NUMBER 5: 633 – 792 КНИЖКА 6 / NUMBER 6: 793 – 952 КНИЖКА 1 / NUMBER 1: 1 – 152 КНИЖКА 2 / NUMBER 2: 153 – 312 КНИЖКА

(South Africa), A. Ali, M. Bashir (Pakistan) 266 – 278: j-j Coupled Atomic Terms for Nonequivalent Electrons of (n-1)fx and nd1 Configurations and Correlation with L-S Terms / P. L. Meena (India) 760 – 770: Methyl, тhe Smallest Alkyl Group with Stunning Effects / S. Moulay 771 – 776: The Fourth State of Matter / R. Tsekov

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ИМОБИЛИЗИРАНЕНАФРУКТОЗИЛТРАНСФЕРАЗА ВЪРХУКОМПОЗИТНИФИЛМИОТПОЛИМЛЕЧНА КИСЕЛИНА, КСАНТАН И ХИТОЗАН

Илия Илиев, Тонка Василева, Веселин Биволарски, Ася Виранева, Иван Бодуров, Мария Марудова, Теменужка Йовчева

ELECTRICAL IMPEDANCE SPECTROSCOPY OF GRAPHENE-E7 LIQUID-CRYSTAL NANOCOMPOSITE

Todor Vlakhov, Yordan Marinov, Georgi. Hadjichristov, Alexander Petrov

ON THE POSSIBILITY TO ANALYZE AMBIENT NOISERECORDED BYAMOBILEDEVICETHROUGH THE H/V SPECTRAL RATIO TECHNIQUE

Dragomir Gospodinov, Delko Zlatanski, Boyko Ranguelov, Alexander Kandilarov

RHEOLOGICAL PROPERTIES OF BATTER FOR GLUTEN FREE BREAD

G. Zsivanovits, D. Iserliyska, M. Momchilova, M. Marudova

ПОЛУЧАВАНЕ НА ПОЛИЕЛЕКТРОЛИТНИ КОМПЛЕКСИ ОТ ХИТОЗАН И КАЗЕИН

Антоанета Маринова, Теменужка Йовчева, Ася Виранева, Иван Бодуров, Мария Марудова

CHEMILUMINESCENT AND PHOTOMETRIC DETERMINATION OF THE ANTIOXIDANT ACTIVITY OF COCOON EXTRACTS

Y. Evtimova, V. Mihailova, L. A. Atanasova, N. G. Hristova-Avakumova, M. V. Panayotov, V. A. Hadjimitova

ИЗСЛЕДОВАТЕЛСКИ ПРАКТИКУМ

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PARAMETRIC INTERACTION OF OPTICAL PULSES IN NONLINEAR ISOTROPIC MEDIUM

A. Dakova, V. Slavchev, D. Dakova, L. Kovachev

ДЕЙСТВИЕ НА ГАМА-ЛЪЧИТЕ ВЪРХУ ДЕЗОКСИРИБОНУКЛЕИНОВАТА КИСЕЛИНА

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RADIATION PROTECTION

Natasha Ivanova, Bistra Manusheva

СТАБИЛНОСТ НА ЕМУЛСИИ ОТ ТИПА МАСЛО/ ВОДА С КОНЮГИРАНА ЛИНОЛОВА КИСЕЛИНА

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THE EFFECT OF EXTRA VIRGIN OLIVE OIL ON THE HUMAN BODY AND QUALITY CONTROL BY USING OPTICAL METHODS

Carsten Tottmann, Valentin Hedderich, Poli Radusheva, Krastena Nikolova

ИНФРАЧЕРВЕНА ТЕРМОГРАФИЯ ЗА ДИАГНОСТИКА НА ФОКАЛНА ИНФЕКЦИЯ

Рая Грозданова-Узунова, Тодор Узунов, Пепа Узунова

ЕЛЕКТРИЧНИ СВОЙСТВА НА КОМПОЗИТНИ ФИЛМИ ОТ ПОЛИМЛЕЧНА КИСЕЛИНА

Ася Виранева, Иван Бодуров, Теменужка Йовчева

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ТРИ ИДЕИ ЗА ЕФЕКТИВНО ОБУЧЕНИЕ

Гергана Карафезиева

МАГИЯТА НА ТВОРЧЕСТВОТО КАТО ПЪТ НА ЕСТЕСТВЕНО УЧЕНЕ В УЧЕБНИЯ ПРОЦЕС

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ОБУЧЕНИЕ ПО ПРИРОДНИ НАУКИ ЧРЕЗ МИСЛОВНИ КАРТИ

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ИГРА НА ДОМИНО В ЧАС ПО ФИЗИКА

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NATURAL RADIONUCLIDES IN DRINKING WATER

Natasha Ivanova, Bistra Manusheva

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АДАПТИРАНЕ НА ОБРАЗОВАНИЕТО ДНЕС ЗА УТРЕШНИЯ ДЕН

И. Панчева, М. Недялкова, П. Петков, Х. Александров, В. Симеонов

STRUCTURAL ELUCIDATION OF UNKNOWNS: A SPECTROSCOPIC INVESTIGATION WITH AN EMPHASIS ON 1D AND 2D 1H NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY

Vittorio Caprio, Andrew S. McLachlan, Oliver B. Sutcliffe, David C. Williamson, Ryan E. Mewis

j-j Coupled Atomic Terms for Nonequivalent Electrons of (n-1)f

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INTEGRATED ENGINEERING EDUCATION: THE ROLE OF ANALYSIS OF STUDENTS’ NEEDS

Veselina Kolarski, Dancho Danalev, Senia Terzieva

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ZAGREB CONNECTION INDICES OF TiO2 NANOTUBES

Sohaib Khalid, Johan Kok, Akbar Ali, Mohsin Bashir

SYNTHESIS OF NEW 3-[(CHROMEN-3-YL)ETHYLIDENEAMINO]-PHENYL]-THIAZOLIDIN-4ONES AND THEIR ANTIBACTERIAL ACTIVITY

Ramiz Hoti, Naser Troni, Hamit Ismaili, Malesore Pllana, Musaj Pacarizi, Veprim Thaçi, Gjyle Mulliqi-Osmani

2017 година
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GEOECOLOGICAL ANALYSIS OF INDUSTRIAL CITIES: ON THE EXAMPLE OF AKTOBE AGGLOMERATION

Zharas Berdenov, Erbolat Mendibaev, Talgat Salihov, Kazhmurat Akhmedenov, Gulshat Ataeva

TECHNOGENESIS OF GEOECOLOGICAL SYSTEMS OF NORTHEN KAZAKHSTAN: PROGRESS, DEVELOPMENT AND EVOLUTION

Kulchichan Dzhanaleyeva, Gulnur Mazhitova, Altyn Zhanguzhina, Zharas Berdenov, Tursynkul Bazarbayeva, Emin Atasoy

СПИСАНИЕ ПРОСВѢТА

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47-А НАЦИОНАЛНА КОНФЕРЕНЦИЯ НА УЧИТЕЛИТЕ ПО ХИМИЯ

В последните години тези традиционни за българското учителство конфе- ренции се организират от Българското дружество по химическо образование и история и философия на химията. То е асоцииран член на Съюза на химици- те в България, който пък е член на Европейската асоциация на химическите и

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INVESTIGATING THE ABILITY OF 8

Marina Stojanovska, Vladimir M. Petruševski

SYNTHESIS OF TiO -M (Cd, Co, Mn)

Candra Purnawan, Sayekti Wahyuningsih, Dwita Nur Aisyah

EFFECT OF DIFFERENT CADMIUM CONCENTRATION ON SOME BIOCHEMICAL PARAMETERS IN ‘ISA BROWN’ HYBRID CHICKEN

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PHYTOCHEMICAL AND IN VITRO ANTIOXIDANT STUDIES OF PRIMULA VERIS (L.) GROWING WILD IN KOSOVO

Ibrahim Rudhani, Florentina Raci, Hamide Ibrahimi, Arben Mehmeti, Ariana Kameri, Fatmir Faiku, Majlinda Daci, Sevdije Govori, Arben Haziri

ПЕДАГОГИЧЕСКА ПОЕМА

Преди година-две заедно с директора на Националното издателство „Аз- буки“ д-р Надя Кантарева-Барух посетихме няколко училища в Родопите. В едно от тях ни посрещнаха в голямата учителска стая. По стените ѝ имаше големи портрети на видни педагози, а под тях – художествено написани умни мисли, които те по някакъв повод са казали. На централно място бе портретът на Антон Семьонович Макаренко (1888 – 1939). Попитах учителките кой е Макаренко – те посрещнаха въпроса ми с мълчание. А някога, в г

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„СИМВОЛНИЯТ КАПИТАЛ“ НА БЪЛГАРСКОТО УЧИЛИЩЕ

Николай Цанков, Веска Гювийска

KINETICS OF PHOTO-ELECTRO-ASSISTED DEGRADATION OF REMAZOL RED 5B

Fitria Rahmawati, Tri Martini, Nina Iswati

ALLELOPATHIC AND IN VITRO ANTICANCER ACTIVITY OF STEVIA AND CHIA

Asya Dragoeva, Vanya Koleva, Zheni Stoyanova, Eli Zayova, Selime Ali

NOVEL HETEROARYLAMINO-CHROMEN-2-ONES AND THEIR ANTIBACTERIAL ACTIVITY

Ramiz Hoti, Naser Troni, Hamit Ismaili, Gjyle Mulliqi-Osmani, Veprim Thaçi

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Quantum Connement of Mobile Na+ Ions in Sodium Silicate Glassy

QUANTUM CONFINEMENT OF MOBILE Na + IONS, IN SODIUM SILICATE GLASSY NANOPARTICLES

OPTIMIZATION OF ENGINE OIL FORMULATION USING RESPONSE SURFACE METHODOLOGY AND GENETIC ALGORITHM: A COMPARATIVE STUDY

Behnaz Azmoon, Abolfazl Semnani, Ramin Jaberzadeh Ansari, Hamid Shakoori Langeroodi, Mahboube Shirani, Shima Ghanavati Nasab

EVALUATION OF ANTIBACTERIAL ACTIVITY OF DIFFERENT SOLVENT EXTRACTS OF TEUCRIUM CHAMAEDRYS (L.) GROWING WILD IN KOSOVO

Arben Haziri, Fatmir Faiku, Roze Berisha, Ibrahim Mehmeti, Sevdije Govori, Imer Haziri

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COMPUTER SIMULATORS: APPLICATION FOR GRADUATES’ADAPTATION AT OIL AND GAS REFINERIES

Irena O. Dolganova, Igor M. Dolganov, Kseniya A. Vasyuchka

SYNTHESIS OF NEW [(3-NITRO-2-OXO-2H-CHROMEN4-YLAMINO)-PHENYL]-PHENYL-TRIAZOLIDIN-4-ONES AND THEIR ANTIBACTERIAL ACTIVITY

Ramiz Hoti, Hamit Ismaili, Idriz Vehapi, Naser Troni, Gjyle Mulliqi-Osmani, Veprim Thaçi

STABILITY OF RJ-5 FUEL

Lemi Türker, Serhat Variş

A STUDY OF BEGLIKTASH MEGALITHIC COMPLEX

Diana Kjurkchieva, Evgeni Stoykov, Sabin Ivanov, Borislav Borisov, Hristo Hristov, Pencho Kyurkchiev, Dimitar Vladev, Irina Ivanova

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2016 година
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THE EFFECT OF KOH AND KCL ADDITION TO THE DESTILATION OF ETHANOL-WATER MIXTURE

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ОЦЕНЯВАНЕ ЛИЧНОСТТА НА УЧЕНИКА

Министерството на народното просвещение е направило допълне- ния към Правилника за гимназиите (ДВ, бр. 242 от 30 октомври 1941 г.), според които в бъдеще ще се оценяват следните прояви на учениците: (1) трудолюбие; (2) ред, точност и изпълнителност; (3) благовъзпитаност; (4) народностни прояви. Трудолюбието ще се оценява с бележките „образцово“, „добро“, „незадо- волително“. С „образцово“ ще се оценяват учениците, които с любов и по- стоянство извършват всяка възложена им ил

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VOLTAMMERIC SENSOR FOR NITROPHENOLS BASED ON SCREEN-PRINTED ELECTRODE MODIFIED WITH REDUCED GRAPHENE OXIDE

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ИЗСЛЕДВАНЕ НА ПРОФЕСИОНАЛНО-ПЕДАГОГИЧЕСКАТА РЕФЛЕКСИЯ НА УЧИТЕЛЯ ПО БИОЛОГИЯ (ЧАСТ ВТОРА)

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NUTRIENT COMPOSITION OF CUCURBITA MELO GROWING IN KOSOVO

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На 8 март 2016 г. в голямата зала на Националния политехнически музей в София фондация „Вигория“ връчи годишните си награди – почетен плакет „Златна детелина“. Тази награда се дава за цялостна професионална и творче- ска изява на личности с особени заслуги към обществото в трите направления на фондация „Вигория“ – образование, екология, култура. Наградата цели да се даде израз на признателност за високи постижения на личности, които на професионално равнище и на доброволни начала са рабо

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СТО ГОДИНИ ОТ РОЖДЕНИЕТО НА ПРОФЕСОР ХРИСТО ИВАНОВ (1916 – 2004)

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ПО ПЪТЯ

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COMPLEX SYSTEMS FOR DRUG TRANSPORT ACROSS CELL MEMBRANES

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Zahra Eskandari, Nabi.A Ebrahimi Young Researchers & Elite Club, Arsanjan Branch,

APPLICATION OF LASER INDUCED BREAKDOWN SPECTROSCOPY AS NONDESDUCTRIVE AND SAFE ANALYSIS METHOD FOR COMPOSITE SOLID PROPELLANTS

Amir Hossein Farhadian, Masoud Kavosh Tehrani, Mohammad Hossein Keshavarz, Seyyed Mohamad Reza Darbany, Mehran Karimi, Amir Hossein Rezayi Optics & Laser Science and Technology Research Center,

THE EFFECT OF DIOCTYLPHTHALATE ON INITIAL PROPERTIES AND FIELD PERFORMANCE OF SOME SEMISYNTHETIC ENGINE OILS

Azadeh Ghasemizadeh, Abolfazl Semnani, Hamid Shakoori Langeroodi, Alireza Nezamzade Ejhieh

QUALITY ASSESSMENT OF RIVER’S WATER OF LUMBARDHI PEJA (KOSOVO)

Fatmir Faiku, Arben Haziri, Fatbardh Gashi, Naser Troni

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БЛАГОДАРЯ ВИ!

Александър Панайотов

ТЕМАТА ВЪГЛЕХИДРАТИ В ПРОГРАМИТЕ ПО ХИМИЯ И БИОЛОГИЯ

Радка Томова, Елена Бояджиева, Миглена Славова , Мариан Николов

BILINGUAL COURSE IN BIOTECHNOLOGY: INTERDISCIPLINARY MODEL

V. Kolarski, D. Marinkova, R. Raykova, D. Danalev, S. Terzieva

ХИМИЧНИЯТ ОПИТ – НАУКА И ЗАБАВА

Елица Чорбаджийска, Величка Димитрова, Магдалена Шекерлийска, Галина Бальова, Методийка Ангелова

ЕКОЛОГИЯТА В БЪЛГАРИЯ

Здравка Костова

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SYNTHESIS OF FLUORINATED HYDROXYCINNAMOYL DERIVATIVES OF ANTI-INFLUENZA DRUGS AND THEIR BIOLOGICAL ACTIVITY

Boyka Stoykova, Maya Chochkova, Galya Ivanova, Luchia Mukova, Nadya Nikolova, Lubomira Nikolaeva-Glomb, Pavel Vojtíšek, Tsenka Milkova, Martin Štícha, David Havlíček

SYNTHESIS AND ANTIVIRAL ACTIVITY OF SOME AMINO ACIDS DERIVATIVES OF INFLUENZA VIRUS DRUGS

Radoslav Chayrov, Vesela Veselinova, Vasilka Markova, Luchia Mukova, Angel Galabov, Ivanka Stankova

NEW DERIVATIVES OF OSELTAMIVIR WITH BILE ACIDS

Kiril Chuchkov, Silvia Nakova, Lucia Mukova, Angel Galabov, Ivanka Stankova

MONOHYDROXY FLAVONES. PART III: THE MULLIKEN ANALYSIS

Maria Vakarelska-Popovska, Zhivko Velkov

LEU-ARG ANALOGUES: SYNTHESIS, IR CHARACTERIZATION AND DOCKING STUDIES

Tatyana Dzimbova, Atanas Chapkanov, Tamara Pajpanova

MODIFIED QUECHERS METHOD FOR DETERMINATION OF METHOMYL, ALDICARB, CARBOFURAN AND PROPOXUR IN LIVER

I. Stoykova, T. Yankovska-Stefenova, L.Yotova, D. Danalev Bulgarian Food Safety Agency, Sofi a, Bulgaria

LACTOBACILLUS PLANTARUM AC 11S AS A BIOCATALYST IN MICROBIAL ELECYTOLYSIS CELL

Elitsa Chorbadzhiyska, Yolina Hubenova, Sophia Yankova, Dragomir Yankov, Mario Mitov

STUDYING THE PROCESS OF DEPOSITION OF ANTIMONY WITH CALCIUM CARBONATE

K. B. Omarov, Z. B. Absat, S. K. Aldabergenova, A. B. Siyazova, N. J. Rakhimzhanova, Z. B. Sagindykova

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TEACHING CHEMISTRY AT TECHNICAL UNIVERSITY

Lilyana Nacheva-Skopalik, Milena Koleva

ФОРМИРАЩО ОЦЕНЯВАНЕ PEER INSTRUCTION С ПОМОЩТА НА PLICКERS ТЕХНОЛОГИЯТА

Ивелина Коцева, Мая Гайдарова, Галина Ненчева

VAPOR PRESSURES OF 1-BUTANOL OVER WIDE RANGE OF THEMPERATURES

Javid Safarov, Bahruz Ahmadov, Saleh Mirzayev, Astan Shahverdiyev, Egon Hassel

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РУМЕН ЛЮБОМИРОВ ДОЙЧЕВ (1938 – 1999)

Огнян Димитров, Здравка Костова

NAMING OF CHEMICAL ELEMENTS

Maria Atanassova

НАЙДЕН НАЙДЕНОВ, 1929 – 2014 СПОМЕН ЗА ПРИЯТЕЛЯ

ИНЖ. НАЙДЕН ХРИСТОВ НАЙДЕНОВ, СЕКРЕТАР, НА СЪЮЗА НА ХИМИЦИТЕ В БЪЛГАРИЯ (2.10.1929 – 25.10.2014)

2014 година
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145 ГОДИНИ БЪЛГАРСКА АКАДЕМИЯ НА НАУКИТЕ

145 ANNIVERSARY OF THE BULGARIAN ACADEMY OF SCIENCES

ПАРНО НАЛЯГАНЕ НА РАЗТВОРИ

Б. В. Тошев Българско дружество за химическо образование и история и философия на химията

LUBRICATION PROPERTIES OF DIFFERENT PENTAERYTHRITOL-OLEIC ACID REACTION PRODUCTS

Abolfazl Semnani, Hamid Shakoori Langeroodi, Mahboube Shirani

THE ORIGINS OF SECONDARY AND TERTIARY GENERAL EDUCATION IN RUSSIA: HISTORICAL VIEWS FROM THE 21ST CENTURY

V. Romanenko, G. Nikitina Academy of Information Technologies in Education, Russia

ALLELOPATHIC AND CYTOTOXIC ACTIVITY OF ORIGANUM VULGARE SSP. VULGARE GROWING WILD IN BULGARIA

Asya Pencheva Dragoeva, Vanya Petrova Koleva, Zheni Dimitrova Nanova, Mariya Zhivkova Kaschieva, Irina Rumenova Yotova

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GENDER ISSUES OF UKRAINIAN HIGHER EDUCATION

Н.H.Petruchenia, M.I.Vorovka

МНОГОВАРИАЦИОННА СТАТИСТИЧЕСКА ОЦЕНКА НА DREEM – БЪЛГАРИЯ: ВЪЗПРИЕМАНЕ НА ОБРАЗОВАТЕЛНАТА СРЕДА ОТ СТУДЕНТИТЕ В МЕДИЦИНСКИЯ УНИВЕРСИТЕТ – СОФИЯ

Радка Томова, Павлина Гатева, Радка Хаджиолова, Зафер Сабит, Миглена Славова, Гергана Чергарова, Васил Симеонов

MUSSEL BIOADHESIVES: A TOP LESSON FROM NATURE

Saâd Moulay Université Saâd Dahlab de Blida, Algeria

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ЕЛЕКТРОННО ПОМАГАЛO „ОТ АТОМА ДО КОСМОСА“ ЗА УЧЕНИЦИ ОТ Х КЛАС

Силвия Боянова Професионална гимназия „Акад. Сергей П. Корольов“ – Дупница

ЕСЕТО КАТО ИНТЕГРАТИВЕН КОНСТРУКТ – НОРМАТИВЕН, ПРОЦЕСУАЛЕН И ОЦЕНЪЧНО-РЕЗУЛТАТИВЕН АСПЕКТ

Надежда Райчева, Иван Капурдов, Наташа Цанова, Иса Хаджиали, Снежана Томова

44

Донка Ташева, Пенка Василева

ДОЦ. Д.П.Н. АЛЕКСАНДЪР АТАНАСОВ ПАНАЙОТОВ

Наташа Цанова, Иса Хаджиали, Надежда Райчева

COMPUTER ASSISTED LEARNING SYSTEM FOR STUDYING ANALYTICAL CHEMISTRY

N. Y. Stozhko, A. V. Tchernysheva, L.I. Mironova

С РАКЕТНА ГРАНАТА КЪМ МЕСЕЦА: БОРБА С ЕДНА ЛЕДЕНА ЕПОХА В ГОДИНАТА 3000 СЛЕД ХРИСТА. 3.

С РАКЕТНА ГРАНАТА КЪМ МЕСЕЦА:, БОРБА С ЕДНА ЛЕДЕНА ЕПОХА, В ГОДИНАТА 000 СЛЕД ХРИСТА. .

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KNOWLEDGE OF AND ATTITUDES TOWARDS WATER IN 5

Antoaneta Angelacheva, Kalina Kamarska

ВИСША МАТЕМАТИКА ЗА УЧИТЕЛИ, УЧЕНИЦИ И СТУДЕНТИ: ДИФЕРЕНЦИАЛНО СМЯТАНЕ

Б. В. Тошев Българско дружество за химическо образование и история и философия на химията

ВАСИЛ ХРИСТОВ БОЗАРОВ

Пенка Бозарова, Здравка Костова

БИБЛИОГРАФИЯ НА СТАТИИ ЗА МИСКОНЦЕПЦИИТЕ В ОБУЧЕНИЕТО ПО ПРИРОДНИ НАУКИ ВЪВ ВСИЧКИ ОБРАЗОВАТЕЛНИ НИВА

Б. В. Тошев Българско дружество за химическо образование и история и философия на химията

Книжка 2
SCIENTIX – OБЩНОСТ ЗА НАУЧНО ОБРАЗОВАНИЕ В ЕВРОПА

Свежина Димитрова Народна астрономическа обсерватория и планетариум „Николай Коперник“ – Варна

BOTYU ATANASSOV BOTEV

Zdravka Kostova, Margarita Topashka-Ancheva

CHRONOLOGY OF CHEMICAL ELEMENTS DISCOVERIES

Maria Atanassova, Radoslav Angelov

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ОБРАЗОВАНИЕ ЗА ПРИРОДОНАУЧНА ГРАМОТНОСТ

Адриана Тафрова-Григорова

A COMMENTARY ON THE GENERATION OF AUDIENCE-ORIENTED EDUCATIONAL PARADIGMS IN NUCLEAR PHYSICS

Baldomero Herrera-González Universidad Autónoma del Estado de México, Mexico

2013 година
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DIFFERENTIAL TEACHING IN SCHOOL SCIENCE EDUCATION: CONCEPTUAL PRINCIPLES

G. Yuzbasheva Kherson Academy of Continuing Education, Ukraine

АНАЛИЗ НА ПОСТИЖЕНИЯТА НА УЧЕНИЦИТЕ ОТ ШЕСТИ КЛАС ВЪРХУ РАЗДЕЛ „ВЕЩЕСТВА И ТЕХНИТЕ СВОЙСТВА“ ПО „ЧОВЕКЪТ И ПРИРОДАТА“

Иваничка Буровска, Стефан Цаковски Регионален инспекторат по образованието – Ловеч

HISTORY AND PHILOSOPHY OF SCIENCE: SOME RECENT PERIODICALS (2013)

Chemistry: Bulgarian Journal of Science Education

45. НАЦИОНАЛНА КОНФЕРЕНЦИЯ НА УЧИТЕЛИТЕ ПО ХИМИЯ

„Образователни стандарти и природонаучна грамотност“ – това е темата на състоялата се от 25 до 27 октомври 2013 г. в Габрово 45. Национална конфе- ренция на учителите по химия с международно участие, която по традиция се проведе комбинирано с Годишната конференция на Българското дружество за химическо образование и история и философия на химията. Изборът на темата е предизвикан от факта, че развиването на природонаучна грамотност е обща тенденция на реформите на учебните програми и главна

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ЗА ХИМИЯТА НА БИРАТА

Ивелин Кулев

МЕТЕОРИТЪТ ОТ БЕЛОГРАДЧИК

Б. В. Тошев Българско дружество за химическо образование и история и философия на химията

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RECASTING THE DERIVATION OF THE CLAPEYRON EQUATION INTO A CONCEPTUALLY SIMPLER FORM

Srihari Murthy Meenakshi Sundararajan Engineering College, India

CHEMICAL REACTIONS DO NOT ALWAYS MODERATE CHANGES IN CONCENTRATION OF AN ACTIVE COMPONENT

Joan J. Solaz-Portolés, Vicent Sanjosé Universitat de Valènciа, Spain

POLYMETALLIC COMPEXES: CV. SYNTHESIS, SPECTRAL, THERMOGRAVIMETRIC, XRD, MOLECULAR MODELLING AND POTENTIAL ANTIBACTERIAL PROPERTIES OF TETRAMERIC COMPLEXES OF Co(II), Ni(II), Cu(II), Zn(II), Cd(II) AND Hg(II) WITH OCTADENTATE AZODYE LIGANDS

Bipin B. Mahapatra, S. N. Dehury, A. K. Sarangi, S. N. Chaulia G. M. Autonomous College, India Covt. College of Engineering Kalahandi, India DAV Junior College, India

ПРОФЕСОР ЕЛЕНА КИРКОВА НАВЪРШИ 90 ГОДИНИ

CELEBRATING 90TH ANNIVERSARY OF PROFESSOR ELENA KIRKOVA

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SIMULATION OF THE FATTY ACID SYNTHASE COMPLEX MECHANISM OF ACTION

M.E.A. Mohammed, Ali Abeer, Fatima Elsamani, O.M. Elsheikh, Abdulrizak Hodow, O. Khamis Haji

FORMING OF CONTENT OF DIFFERENTIAL TEACHING OF CHEMISTRY IN SCHOOL EDUCATION OF UKRAINE

G. Yuzbasheva Kherson Academy of Continuing Education, Ukraine

ИЗСЛЕДВАНЕ НА РАДИКАЛ-УЛАВЯЩА СПОСОБНОСТ

Станислав Станимиров, Живко Велков

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Книжка 1
COLORFUL EXPERIMENTS FOR STUDENTS: SYNTHESIS OF INDIGO AND DERIVATIVES

Vanessa BIANDA, Jos-Antonio CONSTENLA, Rolf HAUBRICHS, Pierre-Lonard ZAFFALON

OBSERVING CHANGE IN POTASSIUM ABUNDANCE IN A SOIL EROSION EXPERIMENT WITH FIELD INFRARED SPECTROSCOPY

Mila Ivanova Luleva, Harald van der Werff, Freek van der Meer, Victor Jetten

ЦАРСКАТА ПЕЩЕРА

Рафаил ПОПОВ

УЧИЛИЩНИ ЛАБОРАТОРИИ И ОБОРУДВАНЕ SCHOOL LABORATORIES AND EQUIPMENT

Учебни лаборатории Илюстрации от каталог на Franz Hugershoff, Лайциг, притежаван от бъдещия

2012 година
Книжка 6
ADDRESING STUDENTS’ MISCONCEPTIONS CONCERNING CHEMICAL REACTIONS AND SYMBOLIC REPRESENTATIONS

Marina I. Stojanovska, Vladimir M. Petruševski, Bojan T. Šoptrajanov

АНАЛИЗ НА ПОСТИЖЕНИЯТА НА УЧЕНИЦИТЕ ОТ ПЕТИ КЛАС ВЪРХУ РАЗДЕЛ „ВЕЩЕСТВА И ТЕХНИТЕ СВОЙСТВА“ ПО ЧОВЕКЪТ И ПРИРОДАТА

Иваничка Буровска, Стефан Цаковски Регионален инспекторат по образованието – Ловеч

ЕКОТОКСИКОЛОГИЯ

Васил Симеонов

ПРОФ. МЕДОДИЙ ПОПОВ ЗА НАУКАТА И НАУЧНАТА ДЕЙНОСТ (1920 Г.)

Проф. Методий Попов (1881-1954) Госпожици и Господа студенти,

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КОНЦЕПТУАЛНА СХЕМА НА УЧИЛИЩНИЯ КУРС П О ХИМИЯ – МАКР О СКОПСКИ ПОДХОД

Б. В. Тошев Българско дружество за химическо образование и история и философия на химията

ROLE OF ULTRASONIC WAVES TO STUDY MOLECULAR INTERACTIONS IN AQUEOUS SOLUTION OF DICLOFENAC SODIUM

Sunanda S. Aswale, Shashikant R. Aswale, Aparna B. Dhote Lokmanya Tilak Mahavidyalaya, INDIA Nilkanthrao Shinde College, INDIA

SIMULTANEOUS ESTIMATION OF IBUPROFEN AND RANITIDINE HYDROCHLORIDE USING UV SPECTROPHOT O METRIC METHOD

Jadupati Malakar, Amit Kumar Nayak Bengal College of Pharmaceutical Sciences and Research, INDIA

GAPS AND OPPORTUNITIES IN THE USE OF REMOTE SENSING FOR SOIL EROSION ASSESSMENT

Mila Ivanova Luleva, Harald van der Werff, Freek van der Meer, Victor Jetten

РАДИОХИМИЯ И АРХЕОМЕТРИЯ: ПРО Ф. ДХН ИВЕЛИН КУЛЕВ RADIOCHEMISTRY AND ARCHEOMETRY: PROF. IVELIN KULEFF, DSc

Б. В. Тошев Българско дружество за химическо образование и история и философия на химията

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TEACHING THE CONSTITUTION OF MATTER

Małgorzata Nodzyńska, Jan Rajmund Paśko

СЪСИРВАЩА СИСТЕМА НА КРЪВТА

Маша Радославова, Ася Драгоева

CATALITIC VOLCANO

CATALITIC VOLCANO

43-ТА МЕЖДУНАРОДНА ОЛИМПИАДА ПО ХИМИЯ

Донка ТАШЕВА, Пенка ЦАНОВА

ЮБИЛЕЙ: ПРОФ. ДХН БОРИС ГЪЛЪБОВ JUBILEE: PROF. DR. BORIS GALABOV

Б. В. Тошев Българско дружество за химическо образование и история и философия на химията

ПЪРВИЯТ ПРАВИЛНИК ЗА УЧЕБНИЦИТЕ (1897 Г.)

Чл. 1. Съставянето и издаване на учебници се предоставя на частната инициа- тива. Забележка: На учителите – съставители на учебници се запрещава сами да разпродават своите учебници. Чл. 2. Министерството на народното просвещение може да определя премии по конкурс за съставяне на учебници за горните класове на гимназиите и специ- алните училища. Чл. 3. Никой учебник не може да бъде въведен в училищата, ако предварително не е прегледан и одобрен от Министерството на народното просвещение. Чл.

JOHN DEWEY: HOW WE THINK (1910)

John Dewey (1859 – 1952)

ИНФОРМАЦИЯ ЗА СПЕЦИАЛНОСТИТЕ В ОБЛАСТТА НА ПРИРОДНИТЕ НАУКИ В СОФИЙСКИЯ УНИВЕРСИТЕТ „СВ. КЛИМЕНТ ОХРИДСКИ“ БИОЛОГИЧЕСКИ ФАКУЛТЕТ

1. Биология Студентите от специалност Биология придобиват знания и практически умения в областта на биологическите науки, като акцентът е поставен на организмово равнище. Те се подготвят да изследват биологията на организмите на клетъчно- организмово, популационно и екосистемно ниво в научно-функционален и прило- жен аспект, с оглед на провеждане на научно-изследователска, научно-приложна, производствена и педагогическа дейност. Чрез широк набор избираеми и факул- тативни курсове студентите

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УЧИТЕЛИТЕ ПО ПРИРОДНИ НАУКИ – ЗА КОНСТРУКТИВИСТКАТА УЧЕБНА СРЕДА В БЪЛГАРСКОТО УЧИЛИЩЕ

Адриана Тафрова-Григорова, Милена Кирова, Елена Бояджиева

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Людмила Генкова, Свобода Бенева Българско дружество за химическо образование и история и философия на химията

НАЧАЛО НА ПРЕПОДАВАНЕТО НА УЧЕБЕН ПРЕДМЕТ ХИМИЯ В АПРИЛОВОТО УЧИЛИЩЕ В ГАБРОВО

Мария Николова Национална Априловска гимназия – Габрово

ПРИРОДОНАУЧНОТО ОБРАЗОВАНИЕ В БЪЛГАРИЯ – ФОТОАРХИВ

В един дълъг период от време гимназиалните учители по математика, физика, химия и естествена

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„МАГИЯТА НА ХИМИЯТА“ – ВЕЧЕР НА ХИМИЯТА В ЕЗИКОВА ГИМНАЗИЯ „АКАД. Л. СТОЯНОВ“ БЛАГОЕВГРАД

Стефка Михайлова Езикова гимназия „Акад. Людмил Стоянов“ – Благоевград

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Бурният развой на естествознанието във всичките му клонове през XIX –ия век предизвика дълбоки промени в мирогледа на културния свят, в техниката и в индустрията, в социалните отношения и в държавните интереси. Можем ли днес да си представим един философ, един държавен мъж, един обществен деец, един индустриалец, просто един културен човек, който би могъл да игнорира придобив- ките на природните науки през последния век. Какви ужасни катастрофи, какви социални сътресения би сполетяло съвре

Книжка 1
MURPHY’S LAW IN CHEMISTRY

Milan D. Stojković

42-рa МЕЖДУНАРОДНА ОЛИМПИАДА ПО ХИМИЯ

Донка Ташева, Пенка Цанова

СЕМЕЙНИ УЧЕНИЧЕСКИ ВЕЧЕРИНКИ

Семейството трябва да познава училишето и училишето трябва да познава семейството. Взаимното познанство се налага от обстоятелството, че те, макар и да са два различни по природата си фактори на възпитанието, преследват една и съща проста цел – младото поколение да бъде по-умно, по-нравствено, физически по-здраво и по-щастливо от старото – децата да бъдат по-щастливи от родителите