Година XXVI, Книжка 6, 2017Следващ бройАрхивПредишен брой
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Задачи
КОМПЮТЪРНИТЕ ОБРАЗОВАТЕЛНИ ТЕХНОЛОГИИ В УРОЦИТЕ ПО ФИЗИКА ЗА РЕШАВАНЕ НА ЗАДАЧИ
В статията са представени методически възможности за използване на компютърни образователни технологии в уроците по физика за решаване на задачи. Методическата реализация е представена чрез методическа разработка на урока „Хармонично трептене (решаване на зад...
computer educational technologies; secondary education; physics teaching; multimedia programs; computer programs to solving physics problems
BALANCING OF OXIDATION-REDUCTION (REDOX) REACTIONS WITH HIGHER BORANES PARTICIPATION: OXIDATION NUMBER METHOD OR MATERIAL BALANCE METHOD?
As a result of the complex structure of the higher boranes, the balancing of redox reactions with their participation by the oxidation number method is connected with the acceptance of non-integer values of the oxidation numbers of the boron atoms which is in...
higher boranes; redox reactions; oxidation number method; material balance method
Наука и общество
GEOECOLOGICAL ANALYSIS OF INDUSTRIAL CITIES: ON THE EXAMPLE OF AKTOBE AGGLOMERATION
Landscape-geochemical assessment of the industrial areas is of particular interest to many researchers. This study describes the micro element composition of soils and hydrochemical composition of surface waters of the Aktobe region in Kazakhstan. A landscape...
geosystem; landscape; industry; technogenic anomalies
TECHNOGENESIS OF GEOECOLOGICAL SYSTEMS OF NORTHEN KAZAKHSTAN: PROGRESS, DEVELOPMENT AND EVOLUTION
The article is about landscape-geochemical research on technoagricultural systems of Northern Kazakhstan. The following four technoagricultural geoecosystems of Northern Kazakhstan are displayed hereunder: Tobyl-Kostanay, Yesil, Yertis-Pavlodar and Central...
techno-agricultural geoecosystems; geosystems; pollution; technogenic factors
ANTIOXIDANT ACTIVITY, PHENOLS, FLAVONOIDS, FLAVONOLS AND ANTHOCYANINS CONTENT OF TUSSILAGO FARFARA (L. ) GROWING WILD IN KOSOVO
Total phenols, flavonoids, flavonols and anthocyanis content and antioxidant activity were quantitatively determined to the Tussilago fatfara (L.) growing wild in Sharr (South part of Kosova). In the tested extracts of plant species Tussilago fatfara (L.)...
Tussilago farfara (L); phenols; flavonoids; flavonols; anthocyanins; antioxidant activity