starting material造句怎么写
- 造句
- 关注:3.14W次
Along with the rapid development in photovoltaic market, silicon is used to produce solar cell more than 90% as the starting material for crystalline silicon wafers.
Using fatty alcohol as starting material, double octyl quaternary ammonium bromide was obtained. It's yield reached 80%.
The two key intermediate ketones (A_3) and (B_8) were obtained respectively by the use of the starting material resorcinol.
Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.
- 文章版权属于文章作者所有,转载请注明 https://zhongwengu.com/sentence/3ke29j.html