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With a fixed capital of RMB 80 million yuan, the company mainly produces sodium dichromate (with an annual output of 20 thousand tons), chromic anhydride (with an annual output of 5000 tons), potassium dichromate (with an annual output of 1000 tons), and oxidized chrome green (with an annual output of 3000 tons).

云南省陆良化工实业有限公司坐落在四季如春的云南省曲靖市陆良县西桥工业区，是滇、桂、黔三省唯一的铬化工生产公司，公司拥有固定资产8000万元，主要生产产品有：2万吨／年重铬酸钠、5000吨／年铬酸酐、1000吨／年重铬酸钾、3000吨／年氧化铬绿。

The drying process of chrome liquor was studied. The structure and property of chrome complex reducing by alcohol were analysed and tokened by many present well-rounded separation and analysis methods such as IR, UV-Vis Spectrum, IEC and pH potentiometry. Application tests of chrome tanning agents were conducted and tanning methods of tanning at high pH were studied. A systematic study was conducted on high alkalinity chrome tanning agents application in leather making process and possibility of clean chrome tanning was discussed.

本文系统地研究了多种小分子醇与重铬酸盐之间的氧化-还原反应，对反应过程进行了认真的剖析；对铬鞣液的干燥过程进行了研究；用红外光谱法、紫外及可见分光光度法、离子色谱法以及pH电位滴定法等多种比较成熟的现代分离分析方法相结合，对醇还原铬配合物的结构与性能进行了分析与表征；对铬鞣剂的鞣革性能进行了应用实验，研究了醇铬鞣剂在高pH值下的鞣制方法，并就高碱度铬鞣剂在制革过程中的应用进行了系统研究，探讨了用其实施清洁化铬鞣的可能性。

The drying process of chrome liquor was studied. The structure andproperty of chrome complex reducing by alcohol were analysed and tokened by manypresent well-rounded separation and analysis methods such as IR, UV-Vis Spectrum,IEC and pH potentiometry. Application tests of chrome tanning agents wereconducted and tanning methods of tanning at high pH were studied. A systematic studywas conducted on high alkalinity chrome tanning agents application in leather makingprocess and possibility of clean chrome tanning was discussed.

本文系统地研究了多种小分子醇与重铬酸盐之间的氧化-还原反应，对反应过程进行了认真的剖析；对铬鞣液的干燥过程进行了研究；用红外光谱法、紫外及可见分光光度法、离子色谱法以及pH电位滴定法等多种比较成熟的现代分离分析方法相结合，对醇还原铬配合物的结构与性能进行了分析与表征；对铬鞣剂的鞣革性能进行了应用实验，研究了醇铬鞣剂在高pH值下的鞣制方法，并就高碱度铬鞣剂在制革过程中的应用进行了系统研究，探讨了用其实施清洁化铬鞣的可能性。

It is very important to study the composition of chrome tanning liquors for elucidating the reaction mechanism of collagen and chrome coordination compounds and directing practical chrome tanning process.

研究铬鞣液的组成及各种铬配合物在铬鞣过程所起的作用，对于阐明铬鞣机理和实际的铬鞣操作过程有重要的指导意义。

In conclusion, not only the methods and relative situation of extracting Cr from chrome slag but also the feasibility of producing yellow chrome by using chrome slag"s leachate were studied in this dissertation. All these study will provide necessary theoretical basis for the industrialization of producing yellow chrome from the chrome slag"s leachate.

本论文研究的创新之处在于：本研究以从铬渣中提取六价铬作为立足点，消除了解毒后的铬遇氧化条件毒性恢复的可能，利用回收的六价铬制取铬黄颜料的研究初步证明，该法不仅切实可行，而且成本低廉、效益好。

Based on laboratory research,the feasible analysis on process technology of producing sodium dichromate from used chromic residue phosphate produced by reused sodium hydroger sulfate in chromate producing system is made,together with its potential market analysis.

铬盐生产厂含铬硫酸氢钠返回系统中再利用所产生的废渣———磷酸铬渣，通过实验室研究，可生产重铬酸钠。

The working voltages were experimentally measured on-line at different reaction times under conditions of different temperatures, different current densities, and different initial anolyte concentrations in the electrochemical synthesis process of sodium dichromate and chromic anhydride from sodium chromate and sodium dichromate, respectively.

在线实验测得不同温度、不同电流密度、阳极液不同初始浓度时，铬酸钠电催化合成重铬酸钠和重铬酸钠电催化合成铬酸酐过程中不同反应时间下的工作电压。

While high quality deposition from trivalent chromium electrolyte could only be sustained for short periods and thin deposits obtained of decorative value only, it is difficult to substitute heaxvalent chromium plating in engineering electrodeposits by trivalent chromium plating at all.

因此，本文在电沉积出镍-铁合金纳米晶的基础上，采用脉冲电沉积的方法研究了在三价铬体系中获得纳米晶铬和铬-镍-铁合金纳米晶厚镀层的工艺及其基础理论，以期解决三价铬镀液完全代替六价铬电镀的难题。

And then, synthesizing of middle chrome, light chrome and lemon chrome through the reaction of leachate with Pb(CH3COO)2 and Pb(NO3)2 were studied respectively.

将铬渣淋滤液与乙酸铅和硝酸铅进行反应，分别进行了中铬黄、浅铬黄和柠檬铬黄的生成试验，研究了滤液中六价铬浓度和铅盐的用量对铬黄生成反应的影响。

For decades, chromic acid and sulfuric acid were employed in chromium electroplating. The bath composition was simple and the process was easy to operate.

多年以来，镀铬主要使用铬酸和硫酸镀液，其成份简单，操作容易，无论镀装饰铬还是镀功能性铬，都能得到满意的效果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。