Using the F hypercenter of minimal subgroups, this paper gives a sufficient condition under which a soluble group belongs to a given formation F.
设F是任一子群闭的局部群系，利用极小子群的F超中心性，给出一类可解群属于F的一个充分条件，由此得到一些群的结。
DAST is one of the most important fluorinating agents in this century. This paper has summarized the recent advances in the formation of C-F bond by DAST.
DAST试剂是本世纪开发的最重要的氟化试剂之一，本文综述了利用该试剂形成碳-氟键的新进展。
A C-F cleavage reaction was found when using ortho-fluoro substituted benzonitrile, which resulted in the formation of new C-C bond.
发现该反应在以邻位氟取代的苯睛为底物的情况下，碳-氟键可以被打断并有效地形成碳-碳键。
Moreover, it is a main reason for the formation of some exogenic deposits like As-high, F-high, s-high or Hg-high coal.
再者它是外生矿床——高砷煤、高氟煤、高硫煤、高汞煤形成的主要原因。
The interaction of translator's intentions and text functions reveals the initiation, the formation and the f…
意图与文本功能之间的互动关系有助于揭示主体文化中翻译发生、形成和运作的机制。
The results are discussed and explained in terms of the electric-f ica tion mechanism through ion-drop interaction during the formation of raindrops in warm clouds.
本文用暖云中雨滴形成时离子与雨滴的相互作用的起电机制来讨论和解释上述结果。
The metabolic flux of strain YMU2 and recombinant F-1 was analyzed with the formation of main metabolites.
根据F - 1和YMU2菌株的主要代谢产物的生成情况比较了二者的代谢流分布。
The metabolic flux of strain YMU2 and recombinant F-1 was analyzed with the formation of main metabolites.
根据F - 1和YMU2菌株的主要代谢产物的生成情况比较了二者的代谢流分布。
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