dimethyl的例句（dimethyl在句子中的用法）

• The synthesis of monomethyl hydrazine was investigated with dimethyl phosphite as methylating agent. 以亚磷酸二甲酯为甲基化试剂,一步合成了单取代的一甲基肼.
• Dimethyl carbonate is synthesized directly from carbon dioxide and methanol in the presence of magnesium methoxide. 报道一种在甲醇镁作用下,由二氧化碳及甲醇直接合成碳酸二甲酯的反应过程.
• N , N - dimethyl - 2 - mercapto - nicotinic amide is an important synthetic intermediate for drug and pesticide. 二甲基 -2- 巯基烟酰胺是重要的医药和农药中间体.
• In this paper a new method on the dimethyl malonate has been proposed. 本文通过对丙二酸二甲酯合成新方法的研究,收率达到80%以上.
• The process of cyanide free silver pulse electroplating is investigated in 5, 5 - dimethyl hydantoin ( DMH ) bath. 研究了5, 5- 二甲基乙内酰脲 ( DMH ) 无氰脉冲镀银工艺.
• A cyanide free silver electroplating process with 5, 5 - dimethyl hydantoin as coordination agent is studied. 研究了5, 5- 二甲基乙内酰脲为配位剂的无氰镀银工艺.
• Several kinds of novel extraction solvents were presented which mainly included N - formylmorpholine, dimethyl formamide, etc. 介绍了石油化工领域采用的几种优良抽提剂,包括N - 甲酰吗啉 、 二甲基甲酰胺等.
• The main products of PET supercritical methanolysis are dimethyl terephthalate ( DMT ) and ethylene glycol ( EG ). 红外光谱检测解聚产物是纯度很高的对苯二甲酸二甲酯 ( DMT ) 单体和乙二醇.
• Process for synthesizing dimethyl phthalate ( DMP ) for phthalic anhydride and methanol has developed. 研究以苯酐、甲醇为原料合成邻苯二甲酸二甲 酯 的方法.
• Solubility: Insoluble in water, but soluble in dimethyl benzene, chloroben , DMF, dimethylphthalate and dibutyl phthalate. 溶解性: 不溶于水, 能溶于二甲苯 、 邻二氯苯、二甲基甲酰胺 、 邻苯二甲酸二甲酯和邻苯二甲酸二丁酯.
• Marine living beings , plants, animals and human body all contain dimethyl sulfone. 海洋生物 、 植物 、 动物和人体均含有二甲基砜.
• The purity of dimethyl disulfide was determined by capillary gas chromatography. 应用毛细管气相色谱法测定二甲基二硫的纯度.
• Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization. 烯酮, 特别是二甲基烯酮, 很容易齐聚和聚合.
• Dimethyl 4,4'- dimethoxy - 5,6 , 5 ', 6'- dimethylenedioxybiphenyl - 2,2'- dicarboxylate ( α - DDB ) and bicyclol exhibIt'significant antiheptotoxic activities and effectively lower the serum - transaminase level. 4,4’ - 二甲氧基-5,6, 5 ’, 6 ’ - 二次甲二氧基-2,2 ’ - 二甲氧羰基联苯 ( α-DDB ) 和双环醇具有明显的抗肝毒活性,能显著降低血清转氨酶水平.
• Ethylene Glycol Dimethyl Ether ( see 1 , 2 - Dimethoxy - ethane ) 亚乙基二醇 ( 见乙二醇 )
• Hexadecyl octyl dimethyl ammonium bromide and hexadecyl decyl dimethyl ammonitim bromide were synthesized. 合成了十六烷基辛基二甲基溴化铵和十六烷基癸基二甲基溴化铵两个新型杀生剂.
• Vapor - liquid equilibria and separation of methanol - dimethyl carbonate azeotrope are ( reviewed ) in this paper. 综述了碳酸二甲酯 - 甲醇二元共沸物汽液平衡和 分离方法 的最新研究进展.