化学处理，例如重铬酸钠溶液，可以促进无氧化膜和杂质不锈钢表面的钝化膜更快速度的生成。
Chemical treatments, such as sodium dichromate solutions, may facilitate the more rapid formation of the passive film on a stainless steel surface already free of scale or foreign matter.
用开水冲洗便可得到清晰的花纹，再用5%的重铬酸钠在丝网版的涂胶面涂刷一次，即制成印剧丝网版。
Rinse with water will be clear pattern, and then 5% sodium dichromate coating surface in the screen version of the brushing time, that is made of printed silk screen drama.
而且SDDTC与硫酸锌，铬酸钠之复配缓蚀剂具有很好的协同增效作用，这一切相关研究具有重要的实际应用意义。
And SDDTC and zinc sulfate, sodium chromate corrosion inhibitors of the compound has good synergies, all of this research has important practical application of significance.
试验结果表明：氯化钠、硝酸钠和部分铬盐等可溶性化合物可以从渣泥中洗出；
The results show that soluble compounds such as sodium chloride, sodium nitrate and a part of chromium salts can be washed out from the sludge.
采用化学还原法处理含铬离子污水，焦亚硫酸钠作还原剂。
The method of chemical deoxidization was used to treat electroplating wastewater which contains chromium ions, and sodium pyrosulfite was used as reducing agency.
处理后铬渣加入适量硫酸钠，渗入水泥砂浆中可以起到早强减水作用。
The addition of the treated chromic refuse with proper amount of sodium sulfate into cement paste has shown an important role in quicker water absorption and earlier hardening.
在含酸性铬蓝k染料的废水中分别加入甲壳胺和海藻酸钠的水溶液后，把二种溶液混合。
Chitosan and sodium alginate solutions were separately added into two samples of effluent containing acid chrome blue K dye, followed by mixing together the two samples.
研究了在硫酸介质中，二苯胺磺酸钠被铬（VI）氧化反应的最佳条件。
The optimum condition under which sodium diphenylamine sulfonate was oxided by Cr(VI) in H2SO4 medium was studied.
处理后铬渣加入适量硫酸钠，渗入水泥砂浆中可以起到早强减水作用。
The addition of the treated chromic refuse with proper amount of sodium sulfate into cement paste has shown an important role in q...
处理后铬渣加入适量硫酸钠，渗入水泥砂浆中可以起到早强减水作用。
The addition of the treated chromic refuse with proper amount of sodium sulfate into cement paste has shown an important role in q...
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