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For example,geological prospecting is being carried out for anomaly zones CH1#,CH2#,CH3#,CH4# in Aerhada. 如阿尔哈达CH1、CH2、CH3、CH4号异常带,现正进行地质详查找矿;
The mean relative reactivity of three kinds of protons towards chlorination is R(CH)>R (CH2) >R(CH3), and the chlorine atoms are distributed homogeneously in the molecular chain. 伯、仲、叔三种氢的相对氯化活性为R(CH)>R(CH_2)>R(CH_3),并乒表明氯化反应比较均匀地发生在无规聚丙烯分子链上。
It was shown that 3 isolates(A1, A2 and CAM) fit into Group 1(WB), 2(CH2 and CH3) into Group 2(JH), while 4 (C1,C2,BP and CDC) into Group 3(GS). 结果表明， A1、 A2 和 C A M 属第1 型（ W B）； C H2 和 C H3 属第2 型（ J H）；
The results showed that the three screening strains PGPR, CH1, CH2 and CH3 could significantly promote the growth of cucumber in pot test and dish screening. 结果表明，通过盆栽测定结合平皿初筛，筛选到的三株PGPR菌株，CH1，CH2和CH3都能显著地促进黄瓜生长。
The CH2 vertical axis input jack. CH2垂直轴输入端子.
The bulkily substituted zirconocene dichloride complexes of the type RCpCpoZrCl2 [Cpo=2-MeOArCR1R2Cp, R1, R2 = CH3, C2H5, (CH2)5, etc.] have been synthesized by the reaction of 6,6-dialkylfulvene with 2-MeOArLi followed by treatment with RCpZrCl3? 通过6;6-二烷基富烯与2-MeOArLi进行加成反应;得到含芳氧取代的环戊二烯基锂盐;再与取代茂三氯化锆反应;合成了不对称大位阻取代茂锆配合物RCpCpoZrCl2[Cpo=2-MeOArCR_1R_2C_p;R_1;R_2=CH_3;C_2H_5;(CH_2)_5;etc.;]
In this paper, the bacterias CH1, CH2, CH3 and CH4 which could degrade petroleum hydrocarbons were isolated and purified from the oil-polluted soil under anaerobic and aerobic conditions. 在好氧和厌氧条件下,从油污土壤中分离纯化出4株能降解石油烃类的微生物CH1、CH2、CH3和CH4。
The main fluorescence production particles including CH3I+、CH3、CH2、CH、C、H、C+、C2+、I+、I2+ were determined by the assignment of these disperse fluorescence spectra obtained in the experiment. 通过对所得色散荧光谱归属，确定了碘甲烷分解的主要荧光产物粒子：CH3I+、CH3、CH2、CH、C、H、C+、C2+、I+、I2+；
Set ch3 group A on SB600 or SB800 only!Cannot set on the camera. 用尽旧镜微距能力，专人指导使用微距滤镜，拍尽微距世界！
Ground and excited states of CH3 under octapol moment electric field[J]. 引用该论文王秋云;谢安东;徐国亮;马美仲;朱正和.
A yellow crystalline compound,(NO2)3C6H(CH3)OH, used in high explosives. 三硝基甲酚一种黄色的结晶状化合物，（no2）3c6h（ch3）oh，用于烈性炸药中
A hydrocarbon, C6H3(CH3)3, occurring in petroleum and coal tar or synthesized from acetone and used as a solvent. 三甲苯一种碳氢化合物，化学式为C6H3（CH3）3，能从石油和煤焦油中提取或用丙酮合成，被用作一种溶剂
A colorless,foul-smelling ptomaine,NH2(CH2)4NH2,produced in decaying animal tissue by the decarboxylation of ornithine. 腐胺一种无色，恶臭的尸碱，NH2（CH2）4NH2，产生于腐烂的动物躯体中的鸟氨酸的脱羧作用
A flammable gas,CH3CH: CH2,derived from petroleum hydrocarbon cracking and used in organic synthesis. 丙烯一种易燃气体，化学式为CH3CH：CH2，提炼于石油的碳氢化合物裂化蒸馏，用于有机合成
A flammable gas, CH3CH:CH2, derived from petroleum hydrocarbon cracking and used in organic synthesis. 丙烯一种易燃气体，化学式为CH3CH：CH2，提炼于石油的碳氢化合物裂化蒸馏，用于有机合成
One might expect azomethane to have a Y structure similar to that of acetone(CH3)2CO. 可以预期偶氮甲烷分子具有和丙酮（CH3）2CO分子相似的丫形结构。
A flammable gas, CH3CH: CH2, derived from petroleum hydrocarbon cracking and used in organic synthesis. 丙烯一种易燃气体，化学式为CH3CH：CH2，提炼于石油的碳氢化合物裂化蒸馏，用于有机合成
The univalent hydrocarbon radical,CH3 -,derived from methane and occurring in many important organic compounds. 甲基单价碳氢基，CH3－，由甲烷中衍生出，在许多重要有机化合物中出现
Structure and potential energy function of ground-state CH and CH2 free radical[J]. 引用该论文孙金锋;王爱华;施德恒;朱遵略.
The present article discussed the reaction of(RO)2P(S) nP(OR) 2 (R = CH3, C2H5,n = 2,3,4)with HNR; (R =C2H5,isoC3H7). 本文阐明了(RO)_2S=P(S)_nS=P(OR)_2 (R=CH_3,C_2H_5;n=2,3,4)与R_2~'NH(R'=C_2H~6,iC_6H~7)的反应。