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。
The F-8 drifted out of formation but returned to within 5ft of PR-32's port wing at the same altitude.
这架歼八飞离了编队，但是又回到PR—32舱门方相同高度距离5英尺的地方。
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。
"The lead F-8 commenced the first of three passes to join in formation on the port side of PR-32 (the EP-3E's designation)," the report states.
“领头的歼八开始了其三次飞越中的第一次，以进入与PR—32 (ep—3e的名称)舱门方的编队飞行，”这份报告称。
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。
With taking advantage of the model of two-stage H+ process of interface trap formation and the role that F play in radiation hardness in gate-oxide . the above-mentioned result is deeply analyzed.
借助界面态建立的H~+两步模型和F在栅氧化层中对抗辐照加固所起的作用对上述结果进行了深入的分析。
With taking advantage of the model of two-stage H+ process of interface trap formation and the role that F play in radiation hardness in gate-oxide . the above-mentioned result is deeply analyzed.
借助界面态建立的H~+两步模型和F在栅氧化层中对抗辐照加固所起的作用对上述结果进行了深入的分析。
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