排序方式： 共有6条查询结果，搜索用时 15 毫秒
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Yunnikova L. P. Likhareva Yu. E. Akent’eva T. A. 《Russian Journal of General Chemistry》2017,87(2):347-349
Russian Journal of General Chemistry - Electrophilic tropylation of 2-aminopyridine afforded N-(cyclohepta-2,4,6-trien-1-yl)pyridin-2-amine. The product was tested for antibacterial activity... 相似文献
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Yunnikova L. P. Akentʼeva T. A. Likhareva Yu. E. 《Russian Journal of Organic Chemistry》2020,56(12):2244-2247
Russian Journal of Organic Chemistry - Reactions of tropylium tetrafluoroborate with 4-nitrobenzohydrazide, semicarbazide hydrochloride, thiosemicarbazide, and N-benzylurea afforded the... 相似文献
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N. Likhareva S. Ganeva P. Kosturkova 《Fresenius' Journal of Analytical Chemistry》1988,331(6):599-600
Summary The determination of gold at 10–3–10–4% levels in black copper and speiss is based upon selective dissolution of the samples with sulphuric acid and separation of the matrix elements by filtration. Gold is determined in the solid residue by flame atomic absorption spectrometry. Relative standard deviation was 7%–10% for about 20 g Au/t.
AAS-Bestimmung von Gold in Rohkupfer und Speiseprodukten相似文献
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Vladimirtseva E. L. Sharnina L. V. Likhareva N. D. 《Russian Journal of General Chemistry》2019,89(12):2700-2704
Russian Journal of General Chemistry - Issues of preservation of the self-color of gray linen fabrics were discussed. Textiles preparation variants and their influence on the color characteristics... 相似文献
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Yunnikova L. P. Likhareva Yu. E. Esenbaeva V. V. 《Russian Journal of General Chemistry》2019,89(9):1927-1930
Russian Journal of General Chemistry - The reactions of 2-, 3-, 4-aminopyridines or 4-aminoquinoline with hydrolytically stable tropylium salts (perchlorate or tetrafluoroborate) have afforded... 相似文献
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