Aim To synthesize gastrodin via biotransformation of microorganism using p - hydroxybenzaldehyde as substrate.目的以对羟基苯甲醛为底物,通过微生物的转化作用生物合成天麻素.TLC densitometry of polyhydroxysteroids in biotransformation of steroids was es...
Economic globalization and trade liberalization call for an elimination of tariff wall.经济全球化、贸易自由化的发展要求关税壁垒不断被拆除.In a global view, SARS forebodes a globalization of infectious diseases and the new ones.从全球化的视野来看, SARS预示着...
According to the characteristics of element abiochemistry, the author concludes some methods of teaching on it.针对元素无机化学教学内容的特点, 介绍了在组织元素无机化学的教学过程中的几点做法和体会....
The radio said other parts of the capital also came under shellfire.广播上说首都的其他地区也遭到了炮火袭击。Light fittings with metal parts should always be earthed.有金属部件的照明装置都应该走地线。Communal violence broke out in different parts of the coun...