formation and origin of metal carbonyl and its injury on catalyst were discussed,analytical method and removable method for carbonyl nickel,carbonyl iron and existing problems were comprehensively described,the research progress situation of purifying agent of metal carbonyl at home and abroad was now discussed.
论述了羰基金属的形成、来源及其对催化剂的危害,综述了羰基镍、羰基铁的分析方法、脱除方法以及存在的问题,论述了目前国内外羰基金属净化剂的研究进展情况。
, and the optimization has been also discussed for the process parameters in combined methanol production, introduction and summarization have been made for catalyst of methanol and purification agent of fine de-sulfur.
讨论了联醇生产中工艺参数的优化 ,对甲醇催化剂、精脱净化剂进行了介绍和归纳。
It was proved that the compound molten salt was the best purification agent for DD3 singl.
以特制的复合熔盐作为净化剂在氩气氛保护及循环过热条件下去除DD3单晶高温合金熔体中的异质晶核 ,获得了最大 2 1 0K过冷度。
The best opportunity for applying purification agent to water during purification process was obtained.
对水质净化过程中投加净化剂的效果进行了研究 ,得出了在冬春低温低浊季节 ,水力循环澄清池 -快滤池净化过程投加净化剂脱混的最佳选择。
Research on Purification Efficiency of Dynamic Net-disk Purifier and the Design of Control System
动态网盘式净化器净化效率研究及控制系统设计
purifying apparatus
提纯仪器;净化设备;净化设备;净化仪器;净化仪器
THE APPLICATION OF EDDY PURIFIER IN MTBE UNIT FOR PURIFYING C4 FEED
旋流净化器用于净化MTBE装置碳四原料
air cleaner and silencer
空气净化器及消声器
centrifugal clarifier
离心澄清器离心净化器
Remove air cleaner housing.
拆去空气净化器外壳。
De Laval oil purifier
德拉瓦尔润滑油净化器
The study of air purifing effects of the vehicle-inner cleaner
车用净化器对车内空气质量净化效果的研究
converter ,catalytic, for motor vehicles
机动车辆催化式排气净化器
Investigation of the TWC Purification Characteristics in CNG Vehicles;
天然气汽车三元催化器净化特性研究
The discussion of industrialization of GJ-Model drinking water integrated purifier;
GJ-型一体化净水器的工业化探讨
Study on Photocatalysis Indoor Air Purifier
光催化室内空气净化器的研究与开发
filtering or purifying machinery and apparatus for liquids
液体过滤或净化器及器械
filtering or purifying machinery and apparatus for gases
气体过滤或净化器及器械
Remove air cleaner hoses from turbocharger.
从透平增压器上拆下空气净化器油管。
To cleanse or purify or become cleansed or purified.
（使）清洁，（使）净化
This paper presented the experiments for depuration and resistance characteristic in the study of air depuration device.
介绍了空气净化器研制过程中所开展的净化材料的净化性能和阻力特性试验研究。
Evaluation of Personal Air Purifier for Reducing Aerosol Exposure in the Breathing Zone
个人净化器面速对人体呼吸区颗粒物的净化规律研究