查询词典 nickel brass

The application of air-acetylene flame atomic absorption spectral method for measuring the iron content in carbonyl nickel powder is studied.

文章运用了空气-乙炔火焰原子吸收光谱法进行羰基镍粉中铁含量的测定。

The nitrous oxide-ethane flame atomic absorption spectrophotometer was used to measure calcium in carbonyl nickel powder.

运用N2O-C2H2火焰原子吸收光谱法测定羰基镍粉中的钙。

In this study, powder injection molding of Fe-50%Ni was investigated when powder of iron carbonyl and nickel carbonyl was used as raw materials.

本次实验以羰基铁粉和羰基镍粉为原料粉末，采用注射成形方法制取Fe-50%Ni软磁合金，研究了高能球磨制备粉末对注射成形工艺以及材料性能的影响。

After 10 h ball milling,the alloy of carbonyl iron and carbonyl nickel began to form,and the sample kept i.

结果表明：以羰基铁和羰基镍为原料，通过高能球磨得到了bcc结构FeNi纳米晶合金。

Tape casting is a powerful method for the manufacture of carbonyl nickel green tape, which is sintered at a given condition and then used as the electrode for molten carbonate fuel cells.

其中制约MCFC商品化的最大障碍就是MCFC的NiO阴极在熔融碳酸盐中的溶解和金属镍在电解质基板中的沉积而造成的电池短路。

The content of carbonyl nickel powder used as conduct agent almost does not affect the maximum discharge capacity of this alloy electrode .

研究了粉体粒度、导电镍粉及工作温度对合金电极 Ti0 。

The rheological behaviors of the non\|aqueous carbonyl nickel slips were investigated by controlling the dispersant content,the total content of binder and p...

详细研究了分散剂用量，粘结剂分散剂用量及其比例对镍粉浆料流变学性能的影响，并将浆料流延成型，研究了素坯的密度、力学性能和微观结构与浆料流变学行为的相关性

Ni-Cr/BN composite was produced in the active sintering process using nickel carbonyl,Cr2O3 and C powders as original materials,and hexagonal BN powder as solid lubricant.

在现代机械制造工程中，为发展热动力机械等先进设备，需要研制出能够在高温下使用的自润滑复合材料[1]。

Ni-Cr/BN composite was produced in the active sintering process using nickel carbonyl, Cr2O3 and C powders as original materials, and hexagonal BN powder as solid lubricant.

摘 要：以羰基Ni粉、Cr2O3和C粉为原料，添加六方BN作为固体润滑剂，采用粉末冶金活化烧结工艺制备Ni-Cr基自润滑材料。

O disturbed nickel carbonyl hydride species, monodentate formate species and bidentate formate species are possible intermediates in the methanation of CO〓, the bidentate formate speciea is most stable.

在CO〓加氢反应过程中，可能生成O扰动Ni羰基氢化物、单齿甲酸盐类和双齿甲酸盐类物种，后一物种能量最低。

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！