This paper described the status of purification technology of zinc sulphate solution in China,analyzed the existing problems,and also discussed the developing direction of this technology.
介绍了国内硫酸锌溶液净化技术的现状,分析了存在的问题,指出了该技术的发展方向。
A purification technology of the nickel-base DZ125 alloy revert was studied in the industrialized vacuum induction furnace.
在工业化生产型真空感应炉中,对定向高温合金DZ125返回料净化技术进行研究,用电子束纽扣法测定夹杂数量,并对净化后的100%返回料锭和常规工艺生产的100%新料锭在纯净度、化学成分、力学性能和铸造性能方面进行对比。
Current situation and progress in the purification technology of air pollutant in highway tunnel were reviewed,including the application of electrostatic dedusting and nitrogen dioxide purification technology,and the emergence of the catalytic purification project for carbon monoxide,hydrocarbon compound,nitrogen oxides,and electrostatic dedusting.
综述了国内外道路隧道空气污染物治理技术的现状及研究进展,包括静电除尘净化技术的应用、二氧化氮净化技术的应用,静电除尘、一氧化碳、碳氢化合物和氮氧化物综合治理技术方案的提出。
The history development and present status of the coke-oven gas purification technique at home and abroad are summarized, and applicable and extendible new technique of coke-oven gas purification as well as theirs application emphasis also are briefly introduced.
综述了国内外焦炉煤气净化技术的历史沿革、发展与现状,并简要介绍了可推广应用的焦炉煤气净化新技术及其应用重点。
In addition,their advantages and disadvantages were compared in detail,then these application and reviews different purification techniques at home and abroad were analyzed,its prospect was discussed at last.
文章综述了当前用于室内空气污染的现状,特点及其危害,阐述了室内污染的主要污染物和污染源,综述了当前国内外主要的室内空气净化技术,并详细阐述了各净化技术的优缺点、应用以及在国内外的最新发展情况,最后就室内空气净化技术的发展趋势进行了展望。
The application of super wet purifying technology of particulate fume in treatment of black fume in Songming county shows that the technology is of the characteristics of simple engineering, and convenient operation, and stable running and distinct effects.
"超级微粒烟尘湿式净化技术"在嵩明黑烟治理中的实践表明,此技术工艺简单,操作方便,维护简便,运行可靠,效果明显,与其它技术相比,投资可减少60%,运行费用则只有一半。
Review of Non-pollution Culture And purification of Seawater Shellfish.;
海产贝类无公害养殖、净化技术研究现状
The type and harm of the oil pollution is pressented in the paper,and the oil purification technology is analyzed,such as gravitational separation,filtration,high speed centrifugation and so on.
汽轮机油的维护对于机组的安全运行至关重要,文章简单介绍了汽轮机油污染的形式及危害,重点分析了国内外常用的油净化技术,如重力分离法、过滤法、高速离心法等。
purification technology of the lead smoke dust of the printing house
印刷厂铅烟尘净化技术
Study on Multiple Biological Systems for Treatment of Domestic Sewage;
生物组合系统生活污水净化技术研究
Biogas Purifying Technology in Large and Medium Scale Biogas-Projects;
大中型沼气工程的沼气净化技术研究
The Technical Study on Purification of Carbon Particulate Exhausts for the Diesel Engine;
柴油机碳烟微粒排放净化技术的探讨
Study on the Depuration of Heavy Metals in Five Kinds of Benefit Chinese Medicinal Herb;
补益类中药材中重金属净化技术研究
Research and Application of Patinopecten yessoensis Purification Technique
虾夷扇贝微生物污染净化技术的研究
The application research of ultrasound in the blood purification technology
超声波在血液净化技术中的应用研究
Out of Engine Cleaning Technology for Marine Diesel's NO_x Emission
船用柴油机NO_x排放的机外净化技术
Research progress in technologies for the abatement of soot particles from diesel engines
柴油机碳颗粒物净化技术的研究进展
Research on the Tail Gas Controlling of the Present-used Carburetor Type Engine Vehicles;
化油器式在用汽车尾气净化技术的研究
The Study of MEUF in Purification of Water;
胶束强化超滤技术深度净水技术研究
Research on Theory and Technology of Municipal Domestic Sewage Purification and Reuse;
城市生活污水净化再用理论技术研究
Continuous Renal Replacement Therapy Equipment(CRRT) Key Technology;
连续性血液净化设备（CRRT机）关键技术
Technical Performance of Buried Domestic Sewage Treatment Facility;
埋地式生活污水净化装置的技术性能
Technical Reconstruction of CEPT Process in a Wastewater Purification Plant in Dongguan
东莞某水质净化厂CEPT工艺技术改造
Natural gas purifcation plant feed gas pre-treetment technology research
天然气净化厂原料气前处理技术研究
Research on the water purification and scale inhibiting techniques of turbid circulating water in ore-dressing
选矿浊环水水质净化及阻垢技术研究
Advance of Evaluation Techniques for Particle Removal Efficiency of Indoor Air Cleaners
室内空气净化装置颗粒物净化效果评价技术进展