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- Keywords CFCs substitutes;hydrofluoroether;cleaning solvent; CFC替代品;氟醚;清洗剂;
- However, because of the limitation of CFC which is dangerous to ozone layer, the studies of seeking CFC substitutes are undertaken at home and abroad. 但由于CFC对大气臭氧层的破坏作用，近年来其应用受到了限制，国内外都在积极寻找CFC代用品，相继出现了无氯氟代烷烃如四氟乙烷，七氟丙烷等。
- This technology solves the problem in handling and transferring CFCs' substitutes like DME and LPG safely in industrial aerosol production, when CFCs' is prohibited from being used as propellant. 该技术解决了禁用氟氯烃后,气雾剂行业工业化大生产条件下二甲醚、液化石油气等替代型推进剂的贮配供应问题。
- THE STUDY OF CFC SUBSTITUTES ENGINEERING 制冷剂替换工程与研究
- The Development of CFC Substitutes(Continuation) CFC替代物质的开发（续）
- The pharmaceutical aerosol propellant CFC substitution has become a hot topic in international pharmaceutical field, but it has not been started in China. 药用气雾剂抛射剂CFC(氟里昂)的替代转换已成为国际药剂学研究的热点之一,我国尚未起步。
- Recent Progress of CFC Substitution Technology for Polyurethane rigid foams 聚氨酯硬泡氯氟烃发泡剂替代技术的新进展
- Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
- Ozone Consuming Principles and the CFC Substitute Technology in Polyurethane Foam Industry 臭氧层耗损与聚氨酯泡沫CFC替代技术
- Make bulk changes to keywords, ads, and ad groups. 批量更改关键字、广告和广告组。
- Some keywords in SQL are also reserved words. SQL中的一些关键字也是保留字。
- Are reserved keywords in Office projects. 是Office项目中的保留关键字。
- Click the Keywords button at the top of the window. 点按窗口顶部的“关键词”按钮。
- Mention your keywords inside the meta tags. 梅塔内提你主题词标识。
- Reserved keywords in the Remarks section. 之后的保留关键字。
- Keywords: Important words, search index. 关键字：重要字，供索引查。
- Keywords: Low power testing, BIST. 关键词：低功率测试、自我测试技术。
- Keywords: crane, rail clips, design standard. 关键词：起重机、轨道压板、设计规范。
- Keywords: native XML database, data structure. 关键词：原生型XML资料库、资料结构。
- Keywords: space, direction, revolving, counter. 关键词：空间，方向，旋转，计数。
