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- Ethylene is a growth hormone in plants. 乙烯是植物中一种生长荷尔蒙。
- The ginger powder extracted with acetone was 8. 6%. 用丙酮和鲜姜汁制取丙酮粉,得率为8.;6%25。
- Ketimine,which is prepared by acetone and ethylene diamine or hexamethylene diamine was used as potential chain extender to improve the properties of aqueous polyurethane resin. 用丙酮分别和乙二胺、己二胺反应制备酮亚胺,并以其作为潜伏性扩链剂改善水性聚氨酯(PU)的性能。
- Characteristics:a white or yellowish crystalline powder, slightly soluble in watering Acetone in alcohol and in ethylene chloride, very slightly soluble in ether. 性状:白色或微黄色细粉末,微溶于水、丙酮、三氯甲烷,极微溶于乙醚。
- 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。
- Deal in such industrial chemicals as the acetone, phenol, coal tar, toluene, xyol, alcohol, diesel oil, motive force coal, polypropylene, ethylene, polyvinyl chloride etc. 经营丙酮、苯酚、煤焦油、甲苯、二甲苯、酒精、柴油、动力煤以及聚丙烯、乙烯、聚氯乙烯等化工原料。
- Na5 Ethylene Diamine Tetra (Methylene Phos... 摘要:乙二胺四甲叉膦酸五钠 EDTMP?
- Objective: Using the headspace Gas - chromatography methods to measure the assay of residual solvent ( acetone, ethylene chloride and ethanol) in Cefazolin sodium. 目的:建立一种气相色谱法同时测定原料药头孢唑林钠中有机溶剂丙酮,二氯甲烷、乙醇残留量的方法。
- The process for renovating acetone stripper system is described. 介绍了丙酮汽提塔系统的工艺改造过程。
- Such organic solvent as turpentine, gasoline and acetone etc. 松节油、汽油、丙酮有机溶液。
- Is water repellent, insoluble in alcohol or acetone. 圈内切片或细胞可用醛类,乙醇或丙酮固定。
- BDM are prepared in acetone with different water content. 用含水量不同的丙酮作溶剂,合成了二苯甲烷双马来酰亚胺(BDM)。
- Don't clean the juicer with abrasive, cleaner, acetone or alcohol. 不要使用研磨剂、擦洗器、丙酮、酒精等清洁榨汁机。
- Benzylidene acetone exports accounted for first in the country. 苄叉丙酮的出口量占全国第一。
- 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
- After filtration,the filtrate was added with acetone. 加入丙酮使芒果苷单钠沉淀结晶析出。
- 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。
- Method: To extract lecithin from egg yolk with acetone and ethanol. 方法:用丙酮、乙醇提取蛋黄中的卵磷脂。
- Occluded spores could not be inactivated with ethylene oxide. 封闭的孢子不能被环氧乙烷灭活。