2) calcareous nanofossils
钙质超微
1.
Ten genera of calcareous nanofossils such as Coccolithus and Reticulofenestra have been discovered in terrestrial sediments of Cenozoic-present salinized lakes from fifteen places in northwest and northeast China.
在我国西北和东北15个地区新生代一现代陆相成化湖沉积物中,发现钙质超微化石Coccolithus、Retic-ulofenestra等10个属。
3) Ultramicromangnese
超微量锰
1.
Inquriry upon the Detection Methods of Ultramicromangnese in Barium Titanate;
钛酸钡中超微量锰的测定方法探讨
4) super trace Iridium
超微量铱
1.
The separation of several co-existent elements was investigated and easy and quick determination method of super trace Iridium was established based on it.
确定了萃取和反萃取的条件,考查了多种共存元素的分离情况,并在此基础上,制定了岩石矿物中超微量铱的简便、快速的测定方法。
5) tiny super difference
微量超差
1.
This article employs the judgment model of normal population s Bayes to deal with two kinds of judgments of tiny super difference, and manages to transform into Negative point method.
本文应用正态总体的Ｂａｙｅｓ判别模型，解决了微量超差的两类判别问题，并完成了向负点法的转化工作。
6) ultramicro method
超微量法
补充资料：超临界质量
分子式：
CAS号：
性质：能产生链式裂变反应的核燃料的质量满足有效增殖系数大于1的条件，中子的生产率大于中子的损失率，系统处于超临界状态。链式裂变反应率随时间增长，容易出现超临界事故。
CAS号：
性质：能产生链式裂变反应的核燃料的质量满足有效增殖系数大于1的条件，中子的生产率大于中子的损失率，系统处于超临界状态。链式裂变反应率随时间增长，容易出现超临界事故。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条