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- 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
- 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。
- 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
- 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。
- 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 passivation mechanism on carbon steel in hydrochloric acid and CH3(CHz)11OSO3Na mixture solution was explored. 探讨了碳钢在盐酸、六次甲基四胺和十二烷基硫酸钠混合溶液中的钝化机理。
- Recently, Peng et al. have developed a cheaper, easier and safer procedure by using CdO instead of Cd(CH3)2. 最近Peng等对原有方法进行了改进，选用CdO代替Cd(CH3)2，新方法更廉价，方便，安全。
- 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。
- A copolymer of epichlorohydrin ( ECH )-allyglycidyl ether ( AGE ) was prepared with Al (i-Bu) 3-H3PO4-H2O- N(CH3 ) 2 ( DMA) catalyst system. 用Al(i-Bu)_3-H_3PO_4-H_2O-DMA(二甲基苯胺)四元催化剂合成了环氧氯丙烷(ECH)/烯丙基缩水甘油醚(AGE)共聚物。
- 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）；
- It was found that the modified-PEEK with -SO3H and -CH2N(CH3)2 groups could be obtained by the chlorinemethylation and the amination modification. SPEEK经过氯甲基化和胺化改性，得到苯环上具有-SO3H和-CH2N(CH3)2基团的改性PEEK。
- The pathway that H or CH3 radical attacked the C atom of CO2 was the preferential pathway in all the four designed reaction pathways. 其中以H和CH3自由基进攻CO2的C原子反应为优先路径，主要产物为乙酸，而甲酸甲酯为动力学禁阻产物。
- AG3 and AG4 were immobilized on the surface of protonated PET-N(CH3)2 film, which was prepared for biomimetic synthesis silver particles in vitro. 将AG3和AG4凭借静电力推动直接固定于正离子化的PET-N(CH3)2膜上，作为仿生模板合成银颗粒。
- A clear, colorless, flammable, mobile liquid, (CH3) 2CHOH, used in antifreeze compounds, in lotions and cosmetics, and as a solvent for gums, shellac, and essential oils. 异丙醇：一种清澈，无色，易燃，流性的液体，(CH3)2CHOH，用于阻冻化合物、洗液和化妆品中，也用作树胶、虫胶和精油的溶剂。
- 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。
- In consideration of the characteristics of Fault Block CH3, a study is conducted on numerical model of bottom water coning and reservoir numerical simulation. 根据CH3断块的油藏特征,对底水锥进数值模型及油藏数值模拟进行了研究。
- The arsenic group(CH3)2As-. 二甲砷基砷基（CH3）2As－
