directing hydration

Justification is made to the direct hydration process for the production of secbutanol through techno-economic comparison between two processes using n-butylene as raw material.

通过对以正丁烯为原料生产仲丁醇的两种不同工艺路线的技术经济比较,论述了直接水合法工艺路线的合理性;与硫酸水合法工艺比较,投资可降低22%—33%;生产过程中没有连续的酸性污水,没有腐蚀和废气处理问题,副产物也少;生产1t仲丁醇所需的原料消耗为1。

Catalysis and mechanism of ionic liquids for direct synthesis of dimethyl carbonate;

离子液体对直接合成碳酸二甲酯反应的促进作用及机理分析

Direct mini-incision thyroidectomy;

小切口直接入路甲状腺切除术

Direct coronary stenting without predilation;

无预扩张直接冠状动脉内支架置入术

According to the study of electrode,extraction time,extraction solvent, stability of test and assisting equipment, we determined the type of electrode and parameters to detecting og pH value directly at the surface of textile.

〔方法〕通过对各类纺织品表面吸附功能的比较研究,对棉斜纹布、棉绒布、丝绸及涂层布等纺织面料进行测试研究,经过萃取时间、萃取水量、测试稳定性、辅助稳定性、辅助装置的试验,确定了用平头电极直接测试纺织品表面pH的方法。

Libai directly depicted Emperor Qin force of character.

李白直接描摹秦王的气概,"以气为主"。

Positional phrases directly used as adverbials were common grammatical phenomena in modern Chinese and there are a few examples in present Chinese.

《元曲选》中 ,方位短语前不加介词可直接充当句子的状语、补语。

Directness and Indirectness in Intercultural Communisation;

跨文化交际中的直接与间接

Discourse indirectness degree is a continuum,with the lowest and highest indirectness degree at either end.

仅仅用"直接的"和"间接的"两个形容词来区分男女的话语风格特点过于绝对和片面,不能解释生理性别与性别角色不相符的现象。