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1 | The spectral-luminescent properties of humic acids, humic triplet excited states, its influence on organic ecotoxicants, using the luminescence biotests for study of detoxification the aqueous solution in the presence of humic acids are discussed Keywords: Humic acids, spectral characteristic, irradiation | 1191 | ||||
2 | In this paper there were presented the results of study effect of irradiation on antioxidant activity of humic acids from Vasugan bog’s hight-moor peat by chemiluminescence method. It was showed the antiradical activity of humic acids. The antiradical activity increased after UV-irradiation. The sun irradiation was feebly influenced on antiradical activity of humic acids. Keywords: humic acids, antiradical activity, antioxidant activity, chemiluminescence, sun irradiation, UVirradiatioin | 833 | ||||
3 | The paper examines the questions of solving problems of using potential of Problem-Based Learning (PBL) technology for organization of educational process in a classical university, which is specialized on fundamental preparation of students in various areas of physics. Shows the experience of preparation of PBL-implantation project at one of the university’s departments. Presents the results of determination of problems of transitional management in order to implicate PBL technology in organization of educational process. The article focuses on definition of problems of university departments’ directors and educational programs at a classical university. Keywords: PBL, educational management, fundamental education, physics | 658 |