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Luoyang Tiancheng Chemical Reagent Co., Ltd. 洛阳天骋化学试剂有限公司。
Tianjin Damao Chemical Reagent Co., Ltd. 天津大茂化学试剂公司。
BEIJING HENGJU OILFIELD CHEMICAL REAGENT CO., LTD. 北京市恒聚油田化学剂有限公司。
Don't clean it with chemic reagent, such as solvent and thinner. 不要用化学试剂清洗，否则回引起溶解或稀释。
USES: As chemical reagent and corrodent of integrated plate. 用途：作化学试剂和集成电路电镀板的消蚀剂。
In this paper, the development of chemical reagent was reviewed. 对国内外化学试剂的发展现状进行了评述。
The latter presumably arises by complexation (120) of the initially formed chemical with Grignard reagent. 后者大概是由首先生成的化学物质与格氏试剂的络合产物（120）产生的。
That xenon could not form chemical compounds was once believed by scientists. 科学家曾相信氙气是不能形成化合物的。
The standard TBN measurement using venomous chemic reagent and the end-point of titration couldn't be determined. 测定润滑油的总碱值的标准方法的化学试剂毒性较大,且滴定终点不易判断。
The floc formed has better sedimentation property, and easily be separated from water. 并且产生的絮状物沉降性能好，容易从水中分离出来。
The roles of electrostatic and electron delocalization in forming chemical bond are distinguished quantitatively. 定量地区别静电作用和电子离域在化学键形成中的作用；
In addition to residual turbidity in the supernatant, the zeta potential of the floc formed and the volume of sludge were also monitored. 故后续之研究可考量添加助凝剂于浓缩槽，或将滤床反冲洗水与沉淀污泥分开处理。
This base will focus on the developing of electronic chemical products, chemical reagent, biological chemistry etc. 该区域重点发展电子化学品、化学试剂、生物化工等产业。
The inert gases are so called because they do not readily form chemical compounds. 惰性气体因它们不容易形成化合物而得名。
The roles of electrostatic interaction and electron delocalization in forming chemical bond are distinguished quantitatively. 定量地区别静电作用和电子离域在化学键形成中的作用；
Big quantities of quicklime are used to convert sodium carbonate into sodium hydroxide, the key chemical reagent in this process. 采用了大量的生石灰来把碳酸钠转换成氢氧化钠,它是这个过程中。
The essential feature of monomer molecules is the ability to form chemical Bonds (see Bonding) with at least two other monomer molecules (polyfunctionality). 单体分子的基本特性是至少能与两个其它单体分子形成化学键的能力(多功能性)。
Uses: It is used for making alloy ,metallurgical additive, medicine, chemical reagent, and the semiconductor and national defense industry mainly. 用途：铋主要用于制造合金、冶金添加剂、医药、化学试剂、以及半导体和国防工业。
It is mainly used as glass etchent, chemical reagent, boiler purgemt, disinfector for ferment industry and used for surface treatment. 氟化氢铵主要用于玻璃蚀刻剂、化学试剂、锅炉清洗剂、发酵工业消毒剂和钢板表面处理剂等。
Using chemical reagent and EAF dust as experimental samples,the reduction of zinc oxide by solid carbon or CO/CO2 gas mixture was tested and the influence factors were analyzed. 用化学试剂和实际电炉粉尘作试样,考察了利用固体碳和CO/CO2进行氧化锌还原的各种影响因素。