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- METHODS To mix the control solution of rheum officinale composition add 0.5% Mg(A C) 2, and determine its absorbance at 510 nm using 0.5% Mg(A C) 2 as blank, diphenyl ethylene glycoside at 310 nm with 95% CH 3CH 2OH solvent. 方法 :大黄素对照品溶液与 0 .;5%25Mg(AC) 2 显色;在5 10nm处以 0
- Diphenyl ethylene glycoside 二苯乙烯苷
- The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes. 芳基甲烷在有机溶剂介质中、碱催化下的氧化缩合反应;是合成二苯乙烯(烷)类化合物的重要途径.
- Keywords diazoacetate;diphenyl ethylene;isobutylene;cyclopropanation;camphorsulfonicacid;hydroxypinocamphone;bisoxazoline;chiral copper complex; 重氮乙酸酯;二苯乙烯;异丁烯;环丙烷化;樟脑磺酸;羟蒎酮;双唑啉;手性铜催化剂;
- diphenyl ethylene 二苯乙烯
- A new chromone glycoside from Cassia siamea lam. 铁刀木中一个新的色酮苷。
- Ethylene is a growth hormone in plants. 乙烯是植物中一种生长荷尔蒙。
- The concentration of ethylene is on the high side. 乙烯浓度偏高。
- First statement: Ethylene glycol is sweet. 第一句：甘醇是甜的。
- Na5 Ethylene Diamine Tetra (Methylene Phos... 摘要:乙二胺四甲叉膦酸五钠 EDTMP?
- A new model epoxy resin curing agent is synthesised by reactions of chlorsulfonated polyethylene(CSM) with mixture of ethylene diamine, and diamino diphenyl methane. 采用氯磺化聚乙烯（CSM）与乙二胺、二氨基二苯基甲烷的混合物反应，合成一种新型固化剂;
- A glycoside, the sugar component of which is glucose. 葡糖苷一种苷，葡萄糖的一糖成份
- Diphenyl carbonate shows a typical vinyl ester effect. 碳酸二苯酯表现典型的乙烯的酯类的效应。
- A glycoside,the sugar component of which is glucose. 葡糖苷一种苷，葡萄糖的一糖成份
- Diphenyl carbonate shows a typical vinyl ester effect . 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Diphenyl ether is used as solvent and azeotropied with water. 利用联苯醚作为溶剂,与体系的水分进行共沸回流,达到充分脱水的目的。
- The univalent chemical radical CH2CH,derived from ethylene. 乙烯基从乙烯分子中得到的一价化学基
- The plant can produce up to 130 tons of ethylene each month. 这家工厂每月最高能生产一百三十吨的乙烯。
- Occluded spores could not be inactivated with ethylene oxide. 封闭的孢子不能被环氧乙烷灭活。
- The results suggest that AHL contains a site to bind O glycoside linkage. 各种糖的封闭性抑制实验结果与竞争性抑制实验相似 .;提示 AHL上存在 O-糖苷键结合位点
