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- Conversion of an optically active substance to a racemic form. 外消旋转化将光学活性物质转化为外消旋形式
- conversion of an optically active substance to a racemic form 将光学活性物质转化为外消旋形式
- Keywords Lipas Optically active substance Resolution Catalysis; 脂肪酶;光学活性化合物;拆分;催化;
- optically active substance 旋光物
- Racemization is found with optically active substrate substrates. 发现旋光基质有外消旋作用。
- Keywords Absolute configuration;Pheromones;Optically active substances and bioactivity relationshipsx; 绝对构型;信息素;光学活性物质和生物活性的关系;
- They often contain no active substance, or not enough to work. 他们一般没有实质作用或者没有起到足够的作用.
- Under the optimum conditions,the content of active substance could reach 40%. 在此条件下合成的产物中活性物含量可达40%25。
- EMEA :Note For Guidance On Chemistry of The New Active Substance, 2003. 中国医药科技出版社,2002,第一版。
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- optical active substance 光活性物质
- We optimize the signal gain of the optically active crystal and apply the results to a BSO and BTO crystal. 对旋光材料优化增益;并把处理结果应用于BSO和BTO晶体.
- mixed optical activity substances 混合旋光物质
- Conclusion: Biological active substance from Hp regulates gene expression through SRE cis-element. 结论:幽门螺杆菌生物活性物质通过顺式转录调控元件SRE调控细胞基因表达。
- Optically active cyanohydrins are important intermediates lor the synthesis of agricultural chemicals. 光学活性氰醇是合成大量医药、农药产品的重要中间体。
- Recent progresses of the synthesis of optically active tert-leucine are reviewed in this paper. 本文综述了近年来光学活性的叔亮氨酸的合成研究及最新进展。
- The results showed the surface active substance produced by B1and B2 had high endurance to heat, salt and acid. 表明,B1、B2产生的表面活性物质对热、酸和盐具有较强的耐性;
- POLARIMETER - 10 units-Fully automatic polarimeter for measuring the rotation of optically active samples. 沈阳凯西贸易公司采购旋光仪;具体标准如下: .
- Chiral synthesis can be achieved by taking advantage of natural or synthetic optically active compounds. 在手性合成中利用了天然或合成的光学活性化合物。
- That company has rights to market the active substance in Sustiva in a number of countries outside the United States. 该公司有权在美国以外的一些国家的市场Sustiva为活动内容。