您要查找的是不是:
- Path B:Androst 4 ene 3,17 dione was converted into cyclic compound,then elaborated into Formestane. 不经纯化,直接在碱性介质中脱水合成了福美司坦(1)。
- Methods:Path A:Formestane was synthesized by oxidation of androst 4 ene 3,17 dione with OsO 4/H 2O 2 followed by dehydration in KOH/MeOH medium. 方法:A.;以雄甾-4-烯-3;17-二酮(2)为原料;在极少量四氧化锇和30%25过氧化氢体系中将(2)氧化成4;5-二羟基-雄甾-3;17-二酮(3)。
- The methods for rapid analysis and determination the cleavage of soybean sterol, in which the soybean sterol was degraded and the products Androst 4 ene 3,17 dione(AD) and Androst 1,4 diene 3,17 dione(ADD) were produced, were described in this paper. 建立了快速分析测定大豆甾醇侧链降解过程中底物大豆甾醇和产物雄甾 4 烯 3,17 二酮 (AD)及雄甾 1,4 二烯 3,17 二酮 (ADD)的方法。
- N dodecyl 1 isopropyl 4 methylbicyclo[2,2,2] oct 5 ene 2,3 dicarboximide(abbreviation: N Dodecylimide) is a synergist for pyrethroid. N -十二烷基 - 1 -异丙基 - 4-甲基二环 [2 ,2 ,2 ]- 5 -辛烯 2 ,3-二甲酰亚胺 (简称 N-十二烷基酰亚胺 )是拟除虫菌酯的增效剂。
- The substance was identified as 22 hydroxy 23, 24 bisnorchol 4 ene 3 one. 待鉴定产物为 2 0 羟基 2 3,2 4 二降胆 4 烯 3 酮。
- Keywords androst 4 ene 3;17 dione;mutation breeding;UV light;laser; 雄甾烯二酮;诱变育种;紫外光;激光;
- Three steroids were isolated from M. mutics and identified as cholesterol,elcosenoic acid cholesterol ester,cholester 4 ene 3 one. 分得 3个甾体化合物 ,分别为胆甾醇、十二烯酸胆甾醇酯、甾醇 4 烯 3 酮。
- Results:Three steroids were isolated from M. mutics and identified as cholesterol,elcosenoic acid cholesterol ester,cholester 4 ene 3 one. 结果:分得3个甾体化合物,分别为胆甾醇、十二烯酸胆甾醇酯、甾醇4烯3酮。
- A MODIFIED SYNTHESIS OF CHOLEST 5 ENE 胆甾-5-烯的改进合成法
- The steroids of cholest 4 ene 3 one and cholestane 3,6 dion in Yisheng Capsules were determined by capillary gas chromatography.The results provide a reference to work out its quality standard. 采用毛细管气相色谱法测定了益肾胶囊中胆甾-4-烯-3-酮、胆甾-3,6-二酮的含量,为该制剂制度质量标准提供了参考依据。
- The steroids of cholest 4 ene 3 one and cholestane 3,6 dion in Yisheng Capsules were determined by capillary gas chromatography. The results provide a reference to work out its quality standard. 采用毛细管气相色谱法测定了益肾胶囊中胆甾-4-烯-3-酮、胆甾-3,6-二酮的含量,为该制剂制度质量标准提供了参考依据。
- These fish vary in weight from 3 lb to 5 lb. 这些鱼的重量从3磅到5磅不等。
- The firm owed$5,000 and sent us$3,000 on account. 该公司欠我们5,000美元,暂付3,000美元。
- Mozilla has released the latest beta version of its Firefox 3, which is Beta 5. 火狐狸浏览器开放了最新的三代浏览器的第五版测试版。
- The going rate for freelance work is 5 an hour. 自由职业者的现行酬金是每小时5英镑。
- Many children under 5 go to nursery school. 5岁以下的许多儿童都上幼儿园。
- Meals average out at 5 per head. 膳食平均每人5英镑。
- Children under 5 can travel for nothing. 5岁以下儿童可免付旅费。
- Add up 3, 4 and 5 and you'll get 12. 把三,四,五相加,总数是十二。
- Even the cheapest was priced at 5. 即使最便宜的也标价5英镑。