gate valve是什么意思

用法例句

Dynamics model of controlled hydrolysis of proteins from cod skin collagen by trypsin;

鳕鱼皮胶原蛋白胰蛋白酶控制水解动力学模型

Dynamics model of controlled hydrolysis of proteins from cod skin collagen by Properase E;

鳕鱼皮胶原蛋白碱性蛋白酶Properase E控制水解动力学模型

This paper states the principe of internal heated distilled water,By experimenting,making explanation to the liquid particle collision theory in alternating electric field.

叙述了电场内热式蒸馏制水的原理,采用试验探究方法进行了交流电场,自动保护装置,电极材料,电极形状等成型设计的构想。

By analyzing the causes of resin pollution, measures were taken to regenerate it, solve the problem of lower batch water production of the compund bed and mixed bed, and lower down the frequency of regeneration.

通过分析树脂污染的原因,采取相应的复苏处理措施,解决了复床和混床制水批量低、再生频繁的问题。