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- Ultimately all the starting material is converted into products. 最终全部原料都转变成为产品。
- The starting material for producing API from which country? 生产原料(pi)用的起始物料来自哪个国家?
- The two starting materials have the same skeleton. 这两个起始原料有同样的骨架。
- A tremendous amount of work has been done on the purification of the starting material. 人们在提纯原始材料方面做了大量的工作。
- Crystalline graphite flake is the starting material in the manufacture of expandable graphite. 结晶石墨鳞片是制作可膨胀石墨的原始材料。
- ZrO2(Y2O3) is an important starting material for preparing structural and functional ceramics. ZrO2(Y2O3)是重要的结构陶瓷和功能陶瓷的原材料。
- Q. How do you define a "significant structural element" in an API starting material? 问:请问如何定义API起始物料中的“重要(有效)结构单元”?
- Many methods had used the isatin and 2-indolinone as starting material to synthesize tryptanthrin and derivatives. 大部分方法都是以吲哚醌和吲哚酮为起始原料,其中吲哚醌和靛红酸酐反应合成色胺酮及其衍生物的方法较为理想。
- METHODS l-ephedrine was synthesized by taking propiophenone as the starting material followed 4 steps reactions. 方法以苯丙酮为起始原料,经溴代、甲胺化、还原、拆分等反应制得l-麻黄碱。
- A method for preparation of Isoproturon from chloroformate as starting material was reported. 报道了以氯甲酸甲酯为起始原料合成除草剂异丙隆的方法。
- Method Valganciclovir was synthesized through esterification and hydrogenation, using ganciclovir as starting material. 方法以更昔洛韦为原料,经过酯化、还原两步反应得到目标物缬更昔洛韦。
- Zanamivir was synthesized with salic acid as starting material by enzymatic catalysis method. 以自制唾液酸为起始原料,对扎那米韦的合成工艺进行研究。
- Methods Cidofovir was synthesized via 6-step reactions with cytosine as the starting material. 方法以胞嘧啶为起始原料,经六步反应合成西多福韦。
- Using fatty alcohol as starting material, double octyl quaternary ammonium bromide was obtained.It's yield reached 80%. 以脂肪醇为原料,合成了双辛基季铵溴盐,其产率达80%25。
- If you identify an API starting material vendor, does that vendor need to be audited or qualified? 如果确定了API起始物料的供应商,该供应商需要审计或评估吗?
- Method Ceftizoxime alapivoxil was synthesized via 3-step reactions with ceftizoxime as starting material. 方法以头孢唑肟酸为原料经三步反应合成头孢唑肟丙匹酯。
- With such diverse and abundant starting material, the researchers were able to sketch a picture of ethnicity far more detailed than previously known. 有了这些丰富多样的研究材料,科研人员可以勾画出比现在已知的更为细节化的种族图谱。
- Diazaspiro [4.4] nonane was synthesized from malononitrile as the starting material by a series of nucleleophilic displacement, hydrolytic cyclization and carbonyl reduction. 摘要以丙二腈为原料,经过亲核取代、水解环合、羰基还原系列反应,合成了2,7-二氮螺[4.;4]壬烷。
- Si-O-Si polymer superfine fibers were prepared by sol-gel and electrospinning methods using tetraethyl orthosilicate (TEOS) as a starting material. 电纺法是聚合物溶液或熔体借助高压静电作用进行喷射拉伸而获得超细或纳米级纤维的一种纺丝方法。
- Homopiperazine was synthesized by using diethylamine as starting material via three step reaction of tosylation,cyclized and detosylation. 以乙二胺为初始原料,经磺酰化、环化、脱磺酰化3步反应合成高哌嗪,总收率可达78%25。