1·Twice technology reforms and the structure of main equipment for the recovery of chromic acid sludge by phosphoric acid method are described.
介绍该厂铬盐车间利用磷酸法对铬酸渣回收利用的两次技术改造及主要设备的结构，以供同行业厂家参考。
2·Loose hole plating chromic layer by weight used in the sliding friction parts and heat resistance, corrosion, wear parts, such as internal combustion engine cylinder lumen, piston rings.
松孔镀铬层应用于受重压的滑动摩擦件及耐热、抗蚀、耐磨零件，如内燃机汽缸内腔、活塞环等。
3·In the project produces oily dirt, dirt and fuel, chromic acid, lime etc scrap, decomposition leather coagulation fat.
工程中产生的油垢，污垢，以及燃料、铬酸、石灰等残余物，分解皮革的凝固油脂。
4·The factors are analysed affecting chromic hydroxide recovery, between product in chromium metal production in chemical engineering process.
对金属铬生产过程中影响化工工序中间产品氢氧化铬回收率的因素进行了分析。
5·Hexavalent chrome is reduced to trivalent chrome by morpholine under high temperature conditions. Then morpholine content is calculated by detecting the absorbance of trivalent chromic ion.
吗啉在高温下将六价铬还原为三价铬，通过测定三价铬离子的吸光度，计算出锅炉给水中吗啉含量。