The definition , structure and influence factors of depurative effect for contamination removal in constructed wetland system are introduced 简要介绍了人工湿地的定义、结构组成和系统对污染物去除效果的影响因素。
2.
For example , signing safety licenses of x ray device , dialyser , haemal depurative device , active medical device , active implantable medical device , ultrasonic medical device 光机透析机血液净化装置心电图机植入式心脏起搏器和超声仪器签发安全许可证。
3.
Our company possesses an 800 - square - meter depurative workshop , automatic machines and the complete analyzing equipments . 40 % of our employees are professional technicians 一流的设备和高水准的员工队伍是产品质量的保证，同时也使公司具有新产品的开发能力。
4.
This paper analyzes various technical and economic characteristics and technologic calculations for gas transmission pipeline , and takes luojiazai depurative gas transmission pipeline as an example , introduces the technical and economic comparison of desiccation projects in detail and proposes a feasible dehydration and desiccation technical project 摘要分析了各种天然气管道干燥方法的技术经济特点及工艺计算方法，以罗家寨净化气外输管道为例，介绍了其脱水干燥方案的技术经济比选，提出了切实可行的脱水干燥技术方案。
