The development progress on chromium-free coated steel sheet in Japan iron& steel enterprises was introduced.
为此翔实地介绍日本钢铁业在开发无铬表面处理钢板领域的进展。
In addition a chromium-free formula is applied to prepare new generation dimethyl oxalate hydrogenation catalyst, showing better performance than the former generation catalyst.
而新一代草酸二甲酯加氢催化剂采用了无铬配方，性能指标也优于一代技术。
The invention relates to a method for preparing chromium-free intensified passivation solution for Martensitic stainless steel and ferritic stainless steel and an application thereof.
本发明涉及提供一种马氏体、铁素体不锈钢无铬强力钝化液的制备方法及应用。
Plenty of researchers have contributed to the Chromium project thus far for free, and to them Google hopes this new program will serve as a token of appreciation for their ongoing efforts.
到目前为止，已经有很多开发者无偿支持chromium的开发，Google希望通过这个新计划向他们表达敬意。
A green, chromium free surface treatment technology for stainless steel, which combines the laser surface treatment w...
指出激光表面处理与传统工艺相结合的无铬环保型不锈钢表面处理技术具有广阔的发展前景。
Titanium alloys and high chromium stainless steels were corrosion free.
钛合金，高铬不锈钢在大气中完全耐蚀。
The method of using the standard sample of low alloy steel instead of tin free steel reference sample by direct reading spectrometry was used to determine chromium coating weight.
本文提出了以低合金钢标准样品代替无锡薄钢板参比样品，利用直读光谱仪测定无锡薄钢板镀铬量的方法。
In addition, chromium resource in China is very limit, so the research of chrome-free and less-chrome tanning agent are very imperative.
此外我国的铬资源也极为有限，因此研究少铬和无铬鞣剂势在必行。
The applicable fields of alkaline cyanide-free zinc plating and acidic zinc plating before trivalent chromium passivation were proposed.
提出应用于三价铬钝化前的碱性无氰镀锌及酸性镀锌的适用场合。
The chromium deposit shall be homogeneous, uniform in appearance and free from pits, nodules, blisters and defects except as specifically permitted by this specification.
铬存款将是均质的，在外表中而且一样从坑，小节，水泡和缺点释放除了如同被这一件规格明确地允许之外。
Objective: To study the effect of recasting on electrochemical corrosion properties, ion release, weight loss, surface roughness, surface free energy of a Nickel-Chromium (Ni-Cr) ceramic alloy.
目的：研究反复熔铸对镍铬烤瓷合金电化学腐蚀、离子析出、失重腐蚀速率、表面粗糙度、表面自由能等抗腐蚀性能的影响。
The progresses in researches of chromium free chemical conversion film on magnesium alloy were reviewed as well as the prospects in the future.
综述了镁合金多种无铬化学转化膜工艺的研究现状及其发展前景。
The progresses in researches of chromium free chemical conversion film on magnesium alloy were reviewed as well as the prospects in the future.
综述了镁合金多种无铬化学转化膜工艺的研究现状及其发展前景。
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