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- Keywords cinnamyl alcohol;3 chloro 1 phenylpropene;chlorination;kinetic control reaction;triethylamine; 肉桂醇;3-氯-1-苯丙烯;三乙胺动力学控制反应;合成;
- The synthesis of 2 amino 4 methylamino 6 chloro 1,3,5 triazine by amination and methylamination from cyanuric chloride in one reaction system was described. 研究了在同一反应器中由三聚氯氰经氨化、甲胺基化合成2氨基4甲胺基6氯三嗪的方法。
- The synthesis of 2 amino 4 methylamino 6 chloro 1,3,5 triazine by amination and methylamination from cyanuric chloride in one reaction system was described. The results showed that the yield was 93%. 研究了在同一反应器中由三聚氯氰经氨化、甲胺基化合成2氨基4甲胺基6氯三嗪的方法。确定其优惠反应条件,产品收率可高达93%25。
- A study was made on the application of dimethyl silicone oil,propanetriol and 1,2 propanediol to decrease the modulus of MVQ vulcanizate. 探讨了用增塑剂二甲基硅油、丙三醇和1，2-丙二醇降低甲基乙烯基硅橡胶（MVQ）硫化胶模量的途径。
- The target compound was synthesized from 1 bromo 3 chloro propane by amination and Grignard reaction with ethyl orthoformate. [方法 ]以 1-溴 - 3-氯丙烷为原料 ,胺化后 ,与原甲酸三乙酯进行格氏加成反应 ,得目标化合物。
- The chlorinated drinking water (CDW) extracts and 3 chloro 4-(dichloromethyl) 5 hydroxy-2(5H)-Furanone (MX) were administered to Wistar rats by gavage to study the influence of CDW and MX on the lipidperoxidation (LPO) and glutathion (GSH). 采用 Wistar大鼠灌胃染毒方法 ,观察氯化饮水有机提取物和氯化副产物 3 -氯 - 4 - (二氯甲基 ) - 5 -羟基 - 2 ( 5氢 ) -呋喃酮 (简称 MX)对大鼠组织脂质过氧化作用 ( L PO)及谷胱甘肽 ( GSH)含量的影响。
- Keywords Anti tussis medicine;Enantiomeric separation;1 phenylpiperazine;S （-） 3 （4 phenyl 1 piperazinyl） 1;2 propanediol;Synthesis; 镇咳药;苯基哌嗪;左旋羟丙哌嗪;合成;手性拆分;
- Keywords gas chromatography;extraction;epichlorohydrin;1;3 dichloropropanol;micro organic impurity;3 chloro 2 hydroxypropyl trimethyl ammonium chloride; 气相色谱法;萃取;环氧氯丙烷;1;3二氯丙醇;微量有机杂质;3氯2羟丙基三甲基氯化铵;
- Keywords pyruvaldehyde;bromination;oxidation;acetone;1;2 propanediol; 丙酮醛;溴代;氧化;丙酮;1;2-丙二醇;
- Keywords modified coal active carbon;cyclohexanone 1;2 propanediol ketal; 改性活性炭;环己酮1;2-丙二醇缩酮;
- Keywords Cationic starch;3 chloro 2 hydroxypropyltrimcthyl ammonium acetate （CHPTMA）;Epihalohydrin; 阳离子淀粉;3-氯-2-羟丙基三甲基醋酸铵;环氧氯丙烷;
- Keywords alkylglucoside;3 chloro 2 hydroxypropyl trialkylammonium halide;epichlorohydrin;N;N dimethyl dodecylamine; 烷基糖苷;3-氯-2-羟丙基三烷基季胺盐;环氧氯丙烷;N;N-二甲基十二烷基胺;
- Keywords bromination;propiophenone;3 chloro propiophenone;6 methoxy 2 propionylnaphthane;6 methoxy 2 acetylnaphthane;4 methoxyacetophenone;acetophenone;cupric bromide; 溴化反应;苯丙酮;间-氯苯丙酮;6-甲氧基-2-丙酰基萘;6-甲氧基-2-乙酰基萘;对-甲氧基苯乙酮;苯乙酮;溴化铜;
- Is the match on at 2 pm or 3 pm? 比赛是下午2时还是3时开始?
- Jaeger test type number 1,2,3, etc. 耶格近距视力(试)标型(近视力表)1、2、3等
- The elevator doesn't stop at floor 1, 2 and 3. 电梯在一、二、三楼不停。
- Divide 2 into 7, and the answer is 3, remainder 1. 7 除以 2，商3余 1。
- Can you count backwards from 5? Yes, 5, 4, 3, 2, 1. 你能从5倒着数吗?可以，。
- The farmer paid 3 laborers to gather the crop. 农场主雇佣3名工人收割庄稼。
- These fish vary in weight from 3 lb to 5 lb. 这些鱼的重量从3磅到5磅不等。
