1.
A carrier gas filter system is recommended to be installed on the Helium line (He).
在氦气管路前面建议安装气体净化装置。
2.
A well-established branch of chemical engineering is that of gas cleaning.
化学工程中已确定的一个分支是气体净化。
3.
Study on the new Type Catalyst for Purifying the Gas in CO_2 laser;
CO_2激光器气体净化用新型催化剂的研究
4.
Development and Research of a New Type Supersonic Gas Separation and Purification Equipment
新型超音速气体净化分离装置设计研究
5.
Studies of Gas Discharge and Photocatalytic Method Decontaminating Benzene in the Exhaust Gas;
气体放电—光催化净化含苯废气的研究
6.
A Combined Purification Process of Biological and Chemical Methods for Polluted Gas
污染气体的生物与化学组合净化工艺
7.
filtering or purifying machinery and apparatus for gases
气体过滤或净化器及器械
8.
Before entering the cell, the gas is scrubbed and humidified.
气体进入电池前，要将其净化和湿润。
9.
Purification of toluene contained waste gas by enlarged cross-flow bio-trickling filter
扩体错流式生物滴滤床净化甲苯废气
10.
Application of Airsolution Liquid to Purify Waste Gas Containing Organic Compounds
Airsolution液体在净化有机废气方面的应用
11.
Study on purification of SO_2 from gas at low concentration by bio-trickling filter
生物滴滤塔净化含SO_2气体的试验研究
12.
Analysis of degassing efficiency of porous brick to purify molten aluminum
透气砖底吹净化铝熔体的除气效率分析
13.
Preparation and purifying efficiency of a new silicon carbide porous ceramics in auto exhaust purification
新型汽车尾气净化器载体材料性能及净化效果研究
14.
(of a liquid) treated by having air passed or bubbled through it for purification.
（指一种液体）充入气体或使之起泡以将其净化。
15.
Advances in catalysis non-thermal plasma reactor for air pollution control
催化型低温等离子体反应器净化废气研究进展
16.
Research Progress on Catalysts and Catalyst Substrate for Purifying Automobile Exhaust
汽车尾气净化催化剂及载体的研究进展
17.
Advances in Researches on Catalysis-Assisted Non-Thermal Plasma Technology for Air Pollution Control
低温等离子体-催化协同空气净化技术研究进展
18.
Study on Adsorption Improvement of Low Concentrations Toluene on Active Carbon;
活性炭吸附净化低浓度甲苯气体工艺改进研究