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- The best concentration of BF?4 in the system of ERL?4221+EPON?812 is 3%-5%. [CpFeCp]BF4的最佳使用浓度为3%25(质量分数)左右,由于光照后仍有强后聚合活性,发现其在较低浓度(质量分数1%25)引发后放置,仍可使聚合完全;
- An industrial process analyzer for O2 and CO in the atmosphere in pulverized bituminous Coal injection system of BF is presented. 介绍一种专门用于高炉喷吹烟煤系统检测气氛中O2和CO的在线分析装置。
- The type of the reused water quality of Baotou Steel Corp.and the status of the recirculation cooling water system of BF are investigated by field tests and hanging pieces experiments. 通过现场测试和挂片试验对包钢总排水水质类型及其用于高炉循环冷却系统的现状进行了调查研究。
- On these islands a system of barter is used. 在这些岛上仍然实行着物物交换的制度。
- Design of PCI system of 2000m~3 BF at Handan Iron &Steel Co. 邯钢2000m~3高炉喷煤系统的设计
- The body has a system of organs for digestion. 人的身体有一整套消化系统。
- The two systems of government are polar opposites. 这两种政体正好相反。
- A practitioner of a system of logic. 逻辑学家使用某一逻辑体系的人
- Advocacy of such a system of government. 联邦主义这种政府体制的主张
- I prefer this system of teaching English. 我喜欢这一种英语教授方法。
- A system of roads radiates from the town center. 一个道路网从镇中心向四面八方伸展出去。
- A system of optical components that magnifies. 能起放大作用的一组光学元件
- A system of pipes, such as those used in plumbing. 管道，管线，管道网一管道系统，如那些用来铺设铅管的
- The bone structure or system of an animal. 骨结构动物的骨构造或系统
- The optical system of the eye stimulate cell of the retina. 眼睛的视觉系统刺激视网膜内的细胞。
- A cable or system of cables for a cable car. 缆索缆车的一根缆绳或索道系统
- A law court or system of law courts; a judiciary. 司法，司法系统法庭或法庭制度; 司法系统，司法部
- The monetary system of some countries used to be based on gold. 过去有些国家的货币制度是金本位制的。
- Britain changed to a metric system of currency in 1970. 1970年,英国已改用公制货币。
- A new system of taxation will be brought into effect next year. 新的税收制度将于明年实行。
