化学合成

Because of the good regio-and stereoselectivity, Diels-Alder reaction has become the important tool of synthetic chemistry and significant object of theoretical study.

Diels—Alder反应由于其良好的区位和立体选择性而成为合成化学的重要工具及理论研究的重要对象。

Qingdao Han Sheng Eastbourne Chemical Co., Ltd. under the Qingdao Han life Technology Co., Ltd., mainly engaged in the production of synthetic drugs and the development and sale of herbicides.

青岛瀚生伊斯特化学有限公司隶属于青岛瀚生生物科技股份有限公司，主要从事原药的生产合成与除草剂的开发和销售。

From a viewpoint of synthetic organic chemistry,the recent development and application of magnesium perchlorate as a Lewis acid catalyst in organic reactions are reviewed.

从有机合成化学的角度，按反应类型综述了高氯酸镁作为Lewis酸催化剂在有机化学中的应用。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。