查询词典 nickel brass

The combination of tetralin and catalyst of nickel sulphate has a synergetic function to the reaction.

四氢萘供氢剂与硫酸镍催化剂复配使用对超稠油水热裂解有协同效应。

The investigation of reaction kineties of tetralin hydrocraking on modified Molyblenum-Nickel catalysts with zeolite Y were conducted in the improved China-made continuous micro reactoe WF-8900 connected with gas chromatograph on-line.

在活性趋于稳定的以改性Y沸石为担体的钼镍催化剂上，利用经改造的国产WF—8900型连续流动微反-色谱装置，进行了四氢萘加氢裂化反应动力学方面的研究。

It was found that electrode coating was mainly composed of tetravalent tungsten oxide and nickel oxide by using XRD and EDS analysis.

通过阴极电沉积在钛基体上制备了掺杂Ni元素的WOX涂层电极，采用XRD、EDS分析认为涂层主要是四价钨的氧化物及镍氧化物的混合物。

Apply to the determination of potassium thiocyanide in black nickel liquid .

应用于黑镍镀液中硫氰酸钾的测定，方法简便快捷。

Nickel sulfate was the most frequent sensitizer, followed by Thimerosal, Potassium dichromate, Fragrance mix and Formaldehyde. Frequencies of contact allergy to Thiuram mix, Mercapto mix, Imidazolidinyl urea, and bronopol were relatively low.

结果： 1 129 例受试者中，阳性反应747例，阳性反应率较高的变应原依次是：硫酸镍、硫柳汞、重铬酸钾、芳香混合物、甲醛，阳性反应率较低的变应原有：秋兰姆混合物、硫氢基混合物、咪唑烷基尿素、溴硝丙二醇。

Nickel is both nutritional and toxical for plants, animals and human beings.

镍对动、植物和人体是兼具营养与毒害作用的元素。

Nickel is not a cumulative toxicant. The majority of the absorbed amount is excreted rapidly.

镍不属于蓄积性的毒性物质，大部分被吸收的镍被快速地排泄。

Triethanolamine was considered as a desirable complexing agent to reduce phosphorus content in electroless nickel deposits applied on polyurethane foam substrate.

对于以聚氨酯海绵为基体的化学镀镍，研究认为，三乙醇胺是较好的选择。

The mechanism of thermal decomposition mechanism of nickel benzoate trihydrate in N 2 was studied by using TG,DTA,IR,MS and XRD.

用流变相反应法合成了苯甲酸镍，通过元素分析、红外光谱确定了组成，用热重分析和差热分析研究了它在氮气气氛中的热分解过程，并用红外光谱、质谱、X 射线衍射表征了热分解产

In this work,the non\|aqueous carbonyl nickel slips were prepared by ball\|milling using Cyclohexanone\|butyl alcohol,Glycerol trioleate,Poly\|vinyl\|butyl and polyethylene glycol as the solvent,dispersant,binder and plasticizer,respectively.

本文以环己酮丁醇为溶剂，三油酸甘油酯为分散剂，以聚乙烯醇缩丁醛为粘结剂，聚乙烯乙二醇为增塑剂，通过球磨工艺制备了非水基羰基镍粉浆料。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！