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.

辞典例句

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.

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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.

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The method for the determination of 2 - nitro - dimethyl - terephthalic by GC in this paper.

摘要研究了 2- 硝基对苯二甲酸二甲酯的气相色谱测定方法.

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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.

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Dimethyl ether has better fuel and mechanical properties and explosive force.

二甲醚的燃油性能和机械能更好,爆发力大.

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Acetone ( or dimethyl ketone ): Simplest and most important ketone ( CH 3 COCH 3 ) .

丙酮: 亦称二甲基酮:分子式为 CH3COCH3,最简单和最重要的酮.

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Dimethyl sulfone is an important material of healthy foods and relative pharmaceutical.

二甲基砜是保健食品和相关医药的重要原料.

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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.

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Methods of preparation dimethyl carbonate are reviewed and the progress is forecasted.

综述了碳酸二甲酯的合成方法,并预测了其市场前景.

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Ethylene Glycol Dimethyl Ether ( see 1 , 2 - Dimethoxy - ethane )

亚乙基二醇 ( 见乙二醇 )

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DHDMEU ( 4, 5 - dihydroxy - 1 , 3 - dimethyl ethylene urea )

4, 5- 二羟基 -1, 3- 二甲基乙烯脲 ( 无甲醛交联整理剂 )

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Dimethyl ether is a kind of clean fuel with good characteristics, prospect future for development.

二甲醚是一种性能好 、 有发展前途的清洁燃料.

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METHODS 3 - hydroxy estrogen reacted with dimethyl sulfate in acetone in the presence of potassium carbonate.

方法以含 3- 酚羟基的雌激素类化合物为原料,丙酮为溶剂,在碳酸钾存在下与硫酸二甲醋反应.

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Methods of qualitative and quantitative analysis for benzene, toluene, ethyl benzene, dimethyl benzene in blood and urine.

血、尿中的苯 、 甲苯 、 乙苯 、 二甲苯的定性及定量分析方法.

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