Using two models of wind accretion,we calculate the relations between surface carbon Abumdance of secondary stars and the orbical periods for CEMP stars and CH stars,and calculate the relations of contamination factor R with orbital periods,and estimate variation of binary separation vs.
利用KOMIYA和LIU的2个星风吸积模型计算了富碳极贫金属星(CEMP星)和CH星表面C丰度与轨道周期P终值的关系、污染因子R同轨道周期P终值的关系,以及轨道半长轴A随伴星质量M2的变化。
In this paper,MP2 method was performed to study the reaction mechanism of the reaction of CH radical with HNCO.
用MP2方法,在6-311++G(d,p)基组水平上研究了CH自由基与HNCO的反应机理。
(2+1) resonan multiphoton ionization of photolytically produced CH radical yields previously unobserved bands arising from two-photon transition to Rydberg states.
由于CH自由基在星际空间、燃烧过程和有机化学反应中大量存在，而且CH自由基是量子化学计算中的模型分子，是人们研究的主要目标之一。
Kinetic of Cr(Ⅵ) reduction in alkaline media by Ch-1 bacteria;
Ch-1菌还原碱性介质中Cr(Ⅵ)的反应动力学
, naming Ch-1 bacteria has been successfullyseparated and obtained, which can reduce Cr(Ⅵ) of highconcentrat.
)，将其命名为Ch-1菌，并研发了细菌还原Cr(Ⅵ)的新工艺，建立了扩试工程，解毒后达到国家危险废物浸出毒性标准(GB5085-1996)。
Theoretical Study on Stark Deceleration of CH Molecules and the Electric Field Measurement;
CH自由基分子Stark减速与静电场测量的理论研究
Theoretical Investigations on the Reactions of XCO(X=CH_2,S) with CH(X~2Ⅱ) Radical
CH(X~2Ⅱ)自由基与XCO(X=CH_2,S)反应机理的理论研究
the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom.
由乙烷去掉一个氢原子衍生的一价烃基CH。
any of a class of dyes containing a -CH= group linking two nitrogen-containing heterocyclic rings; used as sensitizers in photography.
一种含有由两个含氮杂环连成的一个CH=基，摄影中用作感光剂。
the monovalent organic group C3H7- obtained from propane.
从丙烷中获取的有机单价基CH。
the univalent group (CH3)2As- derived from arsine.
从砷衍生而来的二价基（CH）As。
the bivalent radical CH2 derived from methane.
从甲烷衍生而来的二价基CH。
the univalent radical CH3- derived from methane.
从甲烷衍生而来的一价基CH。
Comparative Mapping of Virus Resistant Gene zym-CH in Watermelon
西瓜抗病毒基因zym-CH的比较图谱定位
Molecular Mapping for the Gene "Ms～(ch)" Controlling the Dominant Male Sterility and Molecular Identification of psbA Gene in Foxtail Millet (Setaria Italica);
谷子Ms～（ch）基因的分子标记及psbA基因的鉴定
the univalent unsaturated organic radical C3H5; derived from propylene.
单价的不饱和的有机基CH，从丙烯衍生而来。
Nitroform CH(NO?臁?s such a strong proton donor.
三硝基甲烷〔CH（NO?臁呈且桓銮康闹首痈?予体。
Expression and Identification of Resistance Associated NYD-Ch and NYD-Tr Genes of the Mosquito, Culex Pipiens Pallens;
抗药性相关NYD-Ch和NYD-Tr基因表达与初步鉴定
The CH Company's Operating Performance Enhancing Research of Value-based Management Theory
基于价值管理理论的CH公司经营绩效提升研究
Study of C Language Programming Teaching Method on platform Ch
基于Ch平台的C语言程序设计教学方法的探讨
The Research on the Actual Effect of the Reform of C course Based on the Ch Platform
基于Ch平台的C课程改革的实效性研究
Synthesis and Studies on CH/π Interaction in Crystal Srtucture of Half Flexible Clip Molecules Based on Diethoxycarbonyl Glycoluril;
基于二乙酯基甘脲半柔性分子夹的合成及晶体中CH/π的研究
Studies on the Design and Synthesis of Second Structure Driven by CH…O Hydrogen Bond in Crystal Growth;
晶体生长中基于CH…O弱氢键导向堆积的二级结构的设计与合成