有奖纠错
| 划词

What are the chemical reaction characteristics of tropane alkaloids?

东莨菪碱的鉴别原理是什么?

评价该例句:好评差评指正

Objective To investigate the composition and preparation method of galanthamine hydrobromide dispersion tablets.

目的研究兰他敏分散片的处方组成及制备工艺。

评价该例句:好评差评指正

Ethyl lauryl alcohol respectively react with hydrobromic acid to product bromohydrocarbon,sulfuric acid for catalyst。

以正十二醇和为原料,在浓硫的催化下,十二烷。

评价该例句:好评差评指正

Bromooctane was synthesized from industrial hydrobromic acid(48%) and n-octanol using concentrated sulfuric acid as catalyst.

以工业废(48%)为原料,在浓硫存在下,与正辛醇进行反应合成1-辛烷。

评价该例句:好评差评指正

Using 2-acetyl benzimidazole and sodium bromide as raw material,2-(dibromine acetyl)-benzimidazole hydrobromate was synthesized with the new bromine that displaced by chlorine gas in light.

以2-苯并咪唑和化钠为原料,在光照条件下用氯气置换出化钠中的素,合成兽药噻苯咪唑中间体-2-(二)-苯并咪唑盐。

评价该例句:好评差评指正

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采用高效液相色谱检测复方制剂中美沙芬、愈创木酚甘油醚和马来氯苯那敏含量的方法。

评价该例句:好评差评指正

用户正在搜索


benserazide, Benshen, Benson, bensulfa, bensulide, bent, bent grass, bent wood, bentazepam, bentazon,

相似单词


3G, 401(K), a,

声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接