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1)  Frasnian
弗拉期
1.
The Middle Devonian (Givetian) and Upper Devonian (Frasnian) rugose corals in South China flourished in a near-shore shallow water environment.
晚泥盆世弗拉期出现了许多新生分子,诸如Micto-phyllum,Wapitiphyllum,Pseudozaphrentis,Peneckiella等。
2.
The Frasnian is a critical time interval for understanding paleodiversity variation before the Devonian Frasnian-Famennian mass extinction event.
弗拉期是了解泥盆纪弗拉-法门灭绝事件之前古代生物多样性的一个关键阶段。
2)  F/F boundary
弗拉期晚期
3)  Francisella tularensis
土拉弗菌
1.
Molecular epidemiological investigation on Francisella tularensis infection hosts in northern China;
我国北方部分地区土拉弗菌感染宿主动物的分子流行病学研究
2.
Genotyping of Francisella tularensis strains isolated from China by short-sequence tandem repeat region analysis;
应用短串联重复序列分析技术对我国土拉弗菌的分型研究
4)  Van Fraassen
范·弗拉森
1.
Van Fraassen s Contextual Evaluation of Scientific Theory;
论范·弗拉森对科学理论评价的语境分析
2.
B.C.van Fraassen s Analysis of EPR Correlation and My Review;
范·弗拉森对EPR关联的分析
3.
van Fraassen’s interpretation theory of quantum mechanics is not only the core of his philosophy of quantum mechanics,bus also the scientific thinking fundament of his constructive experimental.
范·弗拉森的量子力学解释理论既是他的量子力学哲学的核心 ,也是他的建构经验论的科学思想基础。
5)  Laffer curve
拉弗曲线
1.
The Laffer Curve and Chaos Character in the Taxation;
拉弗曲线与税收行为中的混沌特征
2.
An Analysis on Real Property Taxation Policy in China by Laffer Curve;
我国不动产税收政策的拉弗曲线分析
3.
Further Analysis of the Laffer Curve;
拉弗曲线的深度分析——兼析中国个人所得税制的政策涵义
6)  Frasnian
弗拉斯阶
1.
The Shetianqiaoan Stage is approximately equal to the Frasnian.
湘中佘田桥剖面的佘田桥阶大致与弗拉斯阶范围一致 ,其下为吉维阶泥质灰岩 ,含腕足类 Emanuella tak-wanensis等及竹节石 Viriatellina kienelensis等。
2.
This paper gives full details of the characteristics of two Upper Devonian rhynchonellid brachiopod species,Camarotoechia shetienchiaoensis Tien,1938 and Hypothyridina linglingensis Wang,1955, which are all from the Frasnian of central Hunan, China.
详细描述了湘中上泥盆统弗拉斯阶腕足动物小嘴贝类的两个属种CamarotoechiashetienchiaoensisTien,1938和HypothyridinalinglingensisWang,1955的内外部特征,首次揭示了后者的内部构造。
3.
In the Shetianqiao section the Shetianqiaoan stage(approximately Frasnian)lithologically consists of three units in ascending order:Liujiang Fm.
佘田桥阶大致可与弗拉斯阶对比,其顶界以无洞贝腕足类和四射珊瑚的大量消失以及小云南贝动物群的兴起为界;在佘田桥地区,以黑色薄层硅质岩层作为佘田桥阶的底部,代表了腕足类 Emanuella takwanensis 的消失及弗拉斯期竹节石的兴起。
补充资料:多林-拉弗拉姆反应
分子式:
CAS号:

性质:烯烃和二溴卡宾(由溴仿和强碱生成)形成偕二溴环丙烷;偕二溴环丙烷用镁或更好是丁基锂处理,即形成丙二烯类化合物。本方法条件温和,不发生异构化作用。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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