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- Octane and para tetramethyl benzene were served as the solvent for dissolving sample and internal standard,respectively. 正辛烷和对四甲基苯分别用作样品的溶剂和内标物,采用内标法定量。
- Keywords tetramethyl benzene;multistage fractional crystallization;static mixer;bubble crystal lizer; 均四甲苯;多级分步结晶;静态混合单元;气泡结晶器;
- Keywords Tetramethyl benzene;1;2;4;5 Benzene tetracarboxylic dianhydride;Production;Catalyst; 均四甲苯;均苯四甲酸二酐;制备;催化剂;
- tetramethyl benzene 四甲基苯
- Having a ring composed exclusively of carbon atoms, as benzene. 碳环的有一个仅由碳原子组成的环的，如苯
- Benzene hexachloride is commonly called BHC. 六氯化苯通常称为BHC。
- The benzene ring is also seen in other compounds. 苯环在其他化合物中也可以看见。
- Ferric Chloride alone gives polymer with benzene. 三氧化铁可单独催化苯的聚合。
- What does benzene barbitone treat? 苯巴比妥治疗什么？
- Clearing agents include benzene and xylene. 透明剂包括苯和二甲苯。
- Benzene - The Prototypic Aromatic System. 苯--典型芳香体系。
- Benzene hexachloride is commonly called BHC . 六氯化苯通常称为bhc。
- The simplest member of the aromatics series is benzene. 芳香烃系列中最简单的一个化合物是苯。
- Having a ring composed exclusively of carbon atoms,as benzene. 碳环的有一个仅由碳原子组成的环的，如苯
- The deoxygenated benzene derivative(105)is obtained. 这就得到脱氧的苯衍生物（105）。
- An incendiary mixture of polystyrene, benzene, and gasoline. 凝固汽油弹聚苯乙烯、苯和汽油组成的燃烧混合物
- Everybody's hep benzene, methanol is poisonous dissolvent. 大家熟知的苯、甲醇便是有毒的溶剂。
- Benzene barbitone has side effect, so general need not. 苯巴比妥有副作用，所以一般不用。
- Separate the benzene layer with a separatory funnel. 用分液漏斗分出苯层。
- The crude benzene hydrorefining process routes were described. 粗苯是焦炭生产的副产品。
