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- secondary amine base 仲胺碱
- When trichloroacetate reacted with secondary amine, carbamate or tertamine was obtained in different conditions. 三氯乙酸酯与二级胺反应,在不同条件下得到不同的产物。
- Meanwhile the applications of secondary amine, diamine, polyamine and their derivatives were summarized also. 同时概述了仲胺、二胺、多胺及其衍生物的应用。
- Abstract The extraction properties and mechanism of niobium thiocyanate complex with secondary amine 7203 are studied. 摘要 研究了仲胺7203(简写为7203)萃取铌硫氰酸盐络合物的性能及其机理。
- The chiral HMPA analogues 1 and 2 were prepared in high yield by nucleophilic substitution between the chiral secondary amine and phosphoryl chloride. 以磷酰氯为原料通过与手性仲胺的亲核取代反应高产率地合成了手性HMPA类似物。
- This paper were introduced the production method and reaction mechanism of fatty secondary amine was studies also on optimum reaction condition. 本文叙述了脂肪仲胺的生产方法及反应机理，研究了最佳反应条件。
- Using soybean amine as material, the soybean secondary amine was synthesized, and then the di-soybean dimethyl ammonium chloride by quaterisation. 研究了以大豆油基伯胺为原料，合成了大豆油基仲胺，大豆油基仲胺季铵化合成了双大豆油基二甲基氯化铵，并在1立方公尺的高压釜中进行了放大实验。
- The reactions of synthesis of dithiocarbamates(DTC) from primary or secondary amine and CS2 and the possible side reactions were discussed and the synthetic technology was presented. 讨论了由有机伯胺或仲胺和CS2合成二硫代氨基甲酸盐DTC的反应及副反应,简介了合成工艺。
- DDTs in soil were extracted with acetone/hexane (1:1, v/v) using ultrasonic extraction and removed many polar matrix components using primary secondary amine (PSA) effectively for the purity. 样品用丙酮/正己烷(1:1,v/v)超声波提取,然后用固相材料吸附净化,用GC-MS(选择离子方式)测定。
- Contact with ammonia and amine based compounds can generate toxic chloramine compounds. 接触到氨和胺类化合物可产生有毒氯胺化合物。
- The paper was introduction fatty primary secondary amine of secondary amines and production process and application. 本文介绍了脂肪仲胺的反应原理、生产工艺及其应用。
- The cellulose nitrate containing secondary amine group(ACN) was prepared by one-pot method in two steps: etherification and amination. 以硝化纤维素为原料,经一锅法醚化和胺化2步反应合成了仲胺型硝化纤维素(ACN)。
- SECONDARY AMINE DERIVATIVE DIESEL FLOW IMPROVERS 仲胺衍生物柴油流动改进剂
- Recent Advances in the Synthesis of Secondary Amine 仲胺的合成方法新进展
- Isomeric alcohols, tertiary amines are less water soluble than their isomeric primary and secondary amines. 异构的醇，叔胺的水溶性比其异构的伯胺和仲胺
- In some more complex cases, secondary amines can be nitrated directly with nitrating mixtures. 在某些复杂的情况下，仲胺能用混合硝化剂直接硝化。
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
- The paper was introduction the N-Tallow-1,3-diaminopropane of secondary amines and production process and application. 本文介绍了N-烷基-1，3-丙撑二胺的反应原理、生产工艺及其应用。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- You cannot enter a military base without a permit. 无通行证者不得擅入军事基地。
