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A flow injection spectrophotometry is proposed for simultaneous determination of iron ion andiron ion(Ⅲ based on o-phenanthroline spectrophotometry,using double zone injection and a reduction column packed with cadmium plated zinc power.

将流动注射技术引入邻菲罗啉分光光度法测定Fe2+分析体系,采用单阀双带镀镉锌片还原柱带隔离的阀体流路,建立了同时测定微量Fe2+和Fe3+的分析方法。

"Ormolu:(from French dorure d'or moulu,"gilding with gold paste") Gold-coloured alloy made up of copper, zinc , and sometimes tin in various proportions but usually at least 50% copper."

仿金镀料:具有黄金色泽的铜、锌合金,比例不等,但通常至少含50%的铜。

The results indicate that the coated Pb not only can increase the overpotential of hydrogen evolution, but also can shift the corrosion potential of zinc electrode to the more positive position, so as to decrease the corrosion rate.

结果表明:在泡沫镍集流体上镀铅不仅可以提高电极的析氢过电位,还能使其腐蚀电位正移,减小腐蚀程度;同时还能在一定程度上解决锌电极的钝化问题。

The preparation of seed lattices is carried out by lithographing the metal zinc film evaporated on the substrate.

首先采用光刻技术在先后蒸镀上金属锌膜和金属铝膜的硅片衬底上获得基本的点阵。

Our company is specializing in the production of alloy steel hotbelt, excellent cold-rolled steel band, in the wide strip of large enterprises.

本公司是专业生产热镀铝锌合金钢带、冷轧优特钢带、中宽板带的大型企业。

The uncertainty for determination of iron concentration in zinc-iron coating of galvaneal by chemical method was evaluated.

对用化学法测定锌铁合金钢板镀层铁含量测量结果的不确定度进行评定,分析了该方法测定过程的不确定

Cadmium mercury thiocyanate and Zinc cadmium thiocyanate(abbreviated as CMTC and ZCTC,respectively)are two of the most important nonlinear optical crystals.

简要报道了在硫氰酸镉汞晶体和硫氰酸锌镉晶体表面镀减反射膜的研究。

The quality of nickel deposit is an important indicator to test the performance of cyanide-free zincating solution for high-Si aluminum alloy.

镀镍层质量是检验无氰高硅铝合金浸锌液性能的重要手段。

The quality of nickel deposit is an important indicator to test the performance of cyanide-free zincating solution fur high-Si aluminum alloy.

镀镍层质量是检验无氰高硅铝合金浸锌液性能的重要手段。

Working in the field of the industrial market, Beta Industry Corp. JSC maintains diverse metal-processing in-house technical capabilities including cold stamping, welding, termoprocessing, bending, manufacturing of rubber details and other technological facilities, like surface treatment, powder coating, galvanising.

Beta工业公司创建于1976年,是比利时工业市场领域走在前列的公司之一,其工厂内部在金属处理上涵盖的技术能力包括冷冲压、焊接、弯曲、生产橡胶配件及其他,如表面处理、喷粉与锌镀。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

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