2 cooling water plant of Dushanzi Petrochemical Company employed fully organic high-efficiency anti-fouling corrosion inhibitor ZJ-720 formula.
为改善水质,中国石油天然气股份有限公司独山子分公司二循环水厂采用全有机高效缓蚀阻垢剂ZJ-720配方。
The revamping of liquefied petroleum gas extraction column for removing sulfur alcohol by using combination structure of whole area effective extraction tray and tower packing was successful.
采用全有效区萃取塔板和填料相结合结构改造液化气脱硫醇抽提塔 ,降低了塔顶硫含量 ,并使塔顶不带碱液 ,同时稳定了操作 ,提高了系统的处理能
It is a safe and effective control program.
PLC控制的皮带输煤系统由上位机监控管理、PLC控制、传感器测量及保护装置组成,在设计中主要使用可编程逻辑控制器和上位监控软件来实现输煤程控的统一操作,系统安全可靠、经济实用,是一个安全有效的控制方案。
Safety and order of foot passenger manifestthe spirit of humanism Olympic.
行人交通的安全有序组织将是人文奥运精神的充分体现。
The concepts of compactness and totally bounded property in LF-pseudo ordered sets are also introduced,which are correspondent to compactness and totally bounded property in metric spaces.
此外,还引进了紧性和全有界性等概念,它们是度量空间中相应概念在LF-伪序集中的对应形式。
A remark on limiting case of totally bounded metric set;
关于完全有界度量集的极限状态的一个注
It is proved that the UCEM property of a family of measurable functions F implies that F is totally bounded;the UCEMUP property and PAC learnability still preserve when the family of probabilities is replaced by its closure.
证明了如果函数族F具有UCEM性质 ,那么F是完全有界的。