传统的镀铬工艺，其电镀液以铬酸为基础，以硫酸作催化剂，两者的比例为100：1。
The traditional process, the chrome plating solution the chromium acid as the foundation and sulfuric acid as catalyst, the ratio of 100 to 1.
铬酸钡间接原子吸收法测定水中硫酸盐时，样品的稀释倍数、盐度、酸度对测定结果影响较大。
The sample dilution multiple, salinity and acidity heavily influence the detecting result of sulfate determinated by complex acid barium indirect flame atomic absorption spectrometry.
研究了用针铁矿法从铬铁合金硫酸浸出溶液中除铁并回收铬。
Remove of iron from sulfuric acid leaching solution of ferrochromium alloy by goethite is researched.
选用BH- 88硫酸盐三价铬镀铬工艺。
BH-88 trivalent chromium sulfate plating process was chosen.
研究了硫酸阳极氧化和铬酸阳极氧化工艺对LY 12 CZ板材、LC9CS棒材在中值寿命区疲劳强度的影响。
This paper studies the effects of the sulfuric acid anodizing and chromic acid anodizing on the fatigue strength in the intermediate value life zone of LY12CZ plate and LC9CS bar.
通过铬酸氧化丙醇制酯法，研究在硫酸-乙酸体系中，乙酸丙酯及丙酸丙酯的形成机理，及相关影响因素。
Through chromium sour oxidize propyl alcohol system ester law study in sulphuric acid acetic acid system in, proply acetate and proply propanoate form mechanism, and related influencing factor.
研究出一种高铬酸型粗化溶液中硫酸含量的分析方法。
A kind of method for analyzing the sulfate content in the roughening solution with high chromic acid content was determined.
实验表明：硫酸、甲酸、磷酸均可水解铬鞣革屑。
The experiments show that sulfuric acid, formic acid and phosphoric acid can hydrolyze chrome shavings.
重铬酸根与磁场对铁在硫酸溶液中阳极极化行为的影响。
Effect of magnetic field and dichromate on anodic polarization behavior of iron in sulfuric acid.
三价铬电镀分为氯化物体系和硫酸盐体系。
Trivalent chromium plating can be divided into chloride and sulfate systems.
以铬酐-硫酸体系为主着色液加入适量添加剂，对不锈钢试样进行表面着色。
A study of surface coloring on stainless steel products was carried out with chrome oxide-sulfuric acid system as main coloring solution and adding suitable additive.
提出了一种新的不锈钢着色方法——载波钝化着色，即在无铬的硫酸溶液中用载波钝化的电化学方法得到各种色彩的不锈钢表面。
A new coloring method, alternating voltage passivation, was originated to obtain color films on stainless steel in Cr-free sulfuric acid solution.
铬层软度与温度、电流密度、铬酐及硫酸的含量都有紧密亲密的干系。
Hardness and temperature, current density, chromium content of sulfuric acid anhydride and are closely related.
循环铬液中高浓度硫酸根离子的存在是造成上述差异的主要原因。
The main reason that results in the differences is the high concentration sulfate ion in the used chrome tan liquor.
水质。用液态离子色谱法测定溶解的阴离子。第3部分：铬酸盐碘化物亚硫酸盐硫氰酸盐和硫代硫酸酯的测定。
Water quality - determination of dissolved anions by liquid chromatography of ions - part 3: determination of chromate, iodide, sulfite, thiocyanate and thiosulfate.
哈氏合金是一种高镍高钼合金，在硝酸铬酸、硫酸等氧化性酸中具有良好的耐腐蚀性。
Ahab's alloy is a high ni high molybdenum alloys, in nitric acid chromic acid, sulfuric acid etc oxidizing acids has good corrosion resistance.
硫酸或磷酸加入过多，铜去除率有所降低。7、CCA防腐木材经过苯酚液化处理后，几乎全部的铬被去除至残渣中。
But the rates may decrease if there are too much sulfuric or phosphoric acids added. 7, After the liquefaction in phenol, nearly all of chromium in CCA-treated wood is removed into the residue.
铁在含有一定浓度重铬酸根的硫酸中，自腐蚀状态下的阴极反应速率受重铬酸根阴极还原电子转移过程与扩散过程共同控制。
Cathodic reaction rate at open circuit Potential for iron in sulfuric acid containing dichromate ion was controlled by both electron transfer process and diffusion process.
甲酸-羧酸a体系是一种低浓度的硫酸盐三价铬电镀工艺。
Formate-A acid system was a sulfate trivalent chromium plating process with low concentration.
磺化油SHO、STO、SEO改善铬鞣革撕裂强度的能力优于硫酸化鱼油、亚硫酸鱼油及硫酸化牛蹄油。
Superior to the sulfated fish oil, sulfited fish oil and sulfated neats-foot oil, the tearing strength of the chrome-tanned leather which stuffed by the sulfonated oil SHO, STO, SEO.
电解液是酸，通常是硫酸或铬酸。
The electrolyte into which the aluminium is placed is an acid, usually sulfuric or chromic.
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.
可选地，可以在载体与硫酸化剂接触之后且载体与有机铬化合物接触之前煅烧载体。
Alternatively, the carrier can be calcined after contacting the carrier with the sulfating agent and before contacting the carrier with an organic chromium compound.
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.
介绍铬酸酐生产中，含铬硫酸氢钠废料用于前工段中和、预酸化。
The paper introduces the application of chromic flotsam natrium bisulfate in the course of neutralization and pre acidification in industry of chromic acid anhydride.
在将硫酸化剂和铬装载在载体之后煅烧载体。
The carrier is calcined after loading the sulfating agent and the chromium on the carrier.
人工合成硫酸型钙矾石和铬酸型钙矾石晶体的X射线衍射谱显示，铬酸型钙矾石的晶格比硫酸型钙矾石的稍大一些。
The lattice of chromate ettringite appears a little bigger than that of ettringite according to their X-ray diffraction patterns.
实验结果表明，磺化油SEO、STO、亚硫酸化鱼油、L-3对无铬鞣的耐湿热稳定性影响较小；
The results showed that the influence of sulfonated oil STO, SEO, sulfited fish oil and L-3 on hydrothermal stability was weak;
前言： 目的：采用EDTA 配位滴定法准确快速测硫酸钡纯度并与常用的铬酸钡容量法进行对照。
Objective:To dopt EDTA complexometry veraciously quickly measure barium sulfate purity and in contrast to barium chromate volumetric procedure.
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.
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