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- Keywords microwave irradiation;stannic chloride;phenylethyl benzoate;catalysis; 微波辐射;四氯化锡;苯甲酸苯乙酯;催化;
- phenylethyl benzoate 苯甲酸苯乙酯
- Caffeine and Sodium Benzoate Injection. 安钠咖注射液。
- Manufacture of Phenyl and Phenylethyl Malonic Esters. 苯基和苯基乙基丙二酸酯的生产。
- Toxicity test of emamectin benzoate against Spodoptera exigua H. 甲胺基阿维菌素苯甲酸盐对甜菜夜蛾毒力测定。
- Buy: sodium cyclamate, menthol crystals, sodium benzoate, c ... 巴基斯坦公司求购糖精钠,薄荷醇,苯甲酸钠2007-04-06
- Sodium Benzoate, Caseinate, Fumantic Acid, Sodium Iron EDTA ... 美国公司求购苯甲酸钠;干酪素;富马酸;乙二胺四乙酸铁钠2008-07-29
- The effect of lanthanum benzoate on the rheological behavior of PP was studied. 研究了苯甲酸镧对PP流变性能的影响。
- Title: Toxicity test of emamectin benzoate against Spodoptera exigua H. 关键词:农药毒理学;甲胺基阿维菌素苯甲酸盐;甜菜夜蛾;毒力测定
- The affects of catalyst amount, molar ratio of phenylethyl alcohol and iso-valeric acid, reaction time and dehydrating agent amount were studied. 研究了催化剂用量、载体二甲苯用量、醇酸比例以及反应时间对反应结果的影响。
- In the acid drink, sodium benzoate is converted to benzoic acid, which is more effective as a preservative. 在酸性饮料中,苯甲酸钠转化为苯甲酸,后者是更为有效的防腐剂。
- Synthesis methods for natural anticancer drug caffeic acid phenylethyl ester were reviewed and their advantages and disadvantages were described with 55 references. 介绍了天然抗癌药咖啡酸苯乙醇酯的各种化学合成方法,并评价了其优缺点。参攷文献55篇。
- The crude, wet benzoate (118 grams) was disslolved with reflux in 1,400 ml methanol. 将粗制、湿的苯甲酸酯(118克)回流着溶于140毫升甲醇中。
- Abstract: Using sulfamie acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied. The yields are good with high purity. 文摘:研究了氨基磺酸催化酯化合成乙酸苄酯和乙酸苯乙酯。此工艺反应时间短、能耗低、产品纯度高、产率良好、无三废污染,优于文献方法。
- The results showed that the relative contents of fusel oil were decreased;the relative contents of total ester, total acid and phenylethyl alcohol increased after PEF treatment. 研究结果表明:经一定条件的高压脉冲电场处理后,葡萄酒中的杂醇油含量有所下降,总酸、总酯和苯乙醇的含量有所上升。
- The crude, wet benzoate (118 grams) was dissolved with reflux in 1, 400 ml methanol. 将粗制、湿的苯甲酸酯(118克)回流着溶于1400毫升甲醇中。
- Using sulfamic acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied. The yields are good with high purity. 研究了氨基磺酸催化酯化合成乙酸苄酯和乙酸苯乙酯。此工艺反应时间短、能耗低、产品纯度高、产率良好、无三废污染,优于文献方法。
- Through vulcanization curves evaluation ammonium benzoate was selected as the vulcanizing agent of epoxy acrylate rubber (EACM). 通过硫化曲线评定,选用苯甲酸铵作硫化剂对环氧型丙烯酸酯橡胶低温胶进行硫化。
- Using sulfamie acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied. The yields are good with high purity. 研究了氨基磺酸催化酯化合成乙酸苄酯和乙酸苯乙酯。此工艺反应时间短、能耗低、产品纯度高、产率良好、无三废污染,优于文献方法。
- The wastewater from gum benzion production contains benzaldehyde, cyanide, gum benzoin and ethyl benzoate. 有机化工产品安息香生产废水中含有苯甲醛、氰化物、安息香和苯甲酸乙酯