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- Tribenzyl isocyanurate was prepared by reaction of isocyanuric acid with benzyl chloride and with N,N dimethyl formamide(DMF)used as solvent. 采用N,N-二甲基甲酰胺作溶剂,异氰尿酸、苄氯为原料合成了异氰尿酸三苄基酯。
- The octodecyl(2 sulfite)ethyl dimethyl ammonium is a new sulfie inner ester amphoteric surfactant and is synthesized from N, N dimethyl octodecyl amine and ethylene sulfite. 由N,N-二甲基十八烷基胺和乙撑亚硫酸酯反应合成的十八烷基(2-亚硫酸)乙基二甲基铵是一种新型的亚硫酸内酯型两性表面活性剂。
- The production process and application fields of N, N dimethyl formamide(DMF) at home and abroad are reviewed, and the domestic markets are briefly analyzed. 综述了N,N二甲基甲酰胺(DMF)的生产工艺及其在国内外的应用领域,并对国内市场需要作出了简要的分析。
- 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 perfluoroalkylated fullerene;tetrakis( N;N dimethyl)aminoethylene;charge transfer complex;EPR;ferromagnetism; 氟烷基化富勒烯;四(N;N-二甲基)氨基乙烯;电荷转移络合物;顺磁共振;铁磁性;
- He fought in the N African campaign during the last war. 在上次战争中他在北非战役参战。
- That will be a total of eighty N T. 那总共八十台币。
- Rock-'n'-roll was started in the 1950s. 摇滚乐发源于20世纪50年代。
- This paper introduces the synthesis techniques of N, N - dimethyl formamide and the production situation in the world. 本文介绍二甲基甲酰胺的生产方法和国内外生产情况。
- Rest unclogs our 18th n substitute af. 请取消我方18日的订单,并以下列代替。
- I can't make head (n)or tail of these instructions. 我对这说明书摸不着头脑.
- The Dimethyl Sulfate has an annual output of 15,000 tons. 同时我司也是国内最大的磺胺类产品出口基地。
- The family of nine pig it I n one room. 一家九口挤在一间屋里。
- B: I like listening to Rock 'n' Roll. 我喜欢听摇滚乐。
- Go N to kill the dragon and get the blade. 从北边的房间出去,到山洞中杀龙,得炎之剑。
- They were delegates from India to the U. N. 他们是印度派到联合国的代表。
- Both transistors are not of the n. p. n type. 两个晶体管不都是n.;p
- Adjoin two new vertices X and Y to N. 在N中添加两个新顶点X和Y。
- Nouns are marked n in this dictionary. 名词在本词典中用n表示。
- TV:n visade ett program om olika l?nder. 电视演一个关于不同的国家的节目。