查询词典 chromium

The experimental results show that chromium migrate outwards so that the composition and structure of oxidation layers change and cerium atoms diffuse and segregates on interface.

动态分析结果，获得了铬向外迁移、改变氧化膜成分和结构、以及铈向界面扩散和偏聚的试验数据。

TANG Zi-long SONG Shi-zhe (Department of Materials, Tianjin University, Tianjin 300072)GUO Ying-kai (Tianjin Professional College, Tianjin 300402)Abstract : The corrosion behavior of type 304 stainless steel and industrially pure iron, chromium, nickel in 1.0mol/L HC1 and their corrosion inhibition by piperidine were investigated by atomic absorption spectrometry, current vs time relation at constant potential and polarization curve measurements.

采用原子吸收光谱，恒电位下电流～时间关系和极化曲线测试等方法研究了304不锈钢、纯铁、铬和镍四种材料在0.1mol/L HCl中的腐蚀行为及哌啶的缓蚀作用。

Occupational Safety and Health Administration will decrease hexavalent chromium PEL-TWA from 0.1 mg/m3 to 0.001mg/m3 in workplace air. And Council Labor Affiar in Taiwan considers to follow this step.

假以美国职业安全卫生署预定在2005年将容许浓度降低一百倍为0.001 mg/m3，我国劳工委员会也考虑降低容许浓度。

Electroplate waste water include, include cyanogens waste water, include chromium waste water, heavy metal waste water and sour alkali waste water generally.

电镀废水一般包括含氰废水、含铬废水、重金属废水及酸碱废水。

Aluminum, chromium, or gold are put into a vacuum tank and heated by a tungsten wire.

铝、铬或金放在真空罐内用钨丝加热就一下子变成了蒸气，使整个真空罐充满了金属气体。

First increased the built-up welding internal mixer special-purpose flinty antifriction metal in Gao Moqu, and in plates the 0.20mm thick hard chromium level with the sizing material contact active face, compared to domestic other company product coating accumulation one time, thus the service life obtains the big extension.

首先在高磨区增加了堆焊密炼机专用硬质耐磨合金，并在与胶料接触的工作表面均镀0.20mm厚硬铬层，比国内其他公司产品镀层增厚一倍，从而使用寿命得到大大延长。

A "steel electric cookers of quartz glass," is characterized by: the Department of the bottom of the pot with a layer of nickel chloride, chromium oxide, antimony trichloride, or composed of graphite, and other conductive membrane, power through the conductive film and Reguo body.

一种&钢化石英玻璃电热炊具&其特征在于：锅底部带有一层用氯化镍、氧化铬、氯化锑、或用石墨等组成的导电膜，电源通过导电膜加热锅体。

Titanium Yellow is a transformation of environmental inorganic pigments, which is consist of titanium dioxide (TiO2), chromium oxide (Cr2O3) antimony oxide (Sb2O5), formed by high temperature calcination.

钛黄是一种转型的环保无机颜料，它是由二氧化钛（TiO2），氧化铬（Cr2O3）氧化锑（Sb2O5），经高温煅烧而成。

Therefore, this process is firstly used to form the chromium carbide layer on the surface of the axle sleeve and bush in the immersed roller used for Strip-Hotgalvanizing unit to improve their working life.

熔渣法碳化铬被覆处理可以在钢铁表面形成牢固、致密的碳化铬覆层，已广泛应用于提高工模具和机械零件的耐磨性能。

It also was studied to increase the corrosion resistance of blue-white passivation film of zinc plating on the premise of not improving the chromium content in plating.

介绍了如何提高镀锌低铬蓝白钝化的耐蚀性能，探讨了在不提高钝化膜含铬量的前提下，增加镀锌层蓝白钝化的耐蚀性能。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。