A kind of composite additive used for copper plating of chemical replacement on iron surface was investigated.
研究了一种用于钢铁基体化学置换镀铜的专用复合添加剂。
The reaction of chemical replacement copper plating on iron surface and profile of the coating have been investigated by electrochemical methods and scan electron microscopy.
用电化学方法和扫描电子显微镜研究了钢铁置换镀铜反应及镀层形貌，结果表明：钢铁表面的置换铜镀层总是多孔的。
Stop chemical reaction caused replacement.
停机化学置换反应造成。
Several exploitation methods for tapping NGH have been suggested, such as thermal activation, pressure releasing, chemical inhibitor, replacement and slurry mining.
现有的多种天然气水合物开采方案，如热激法、减压法、化学抑制剂法、置换法和混合开采法等。
Several kinds of nicotine replacement products provide small amounts of the chemical. These can help people stop smoking.
有几种尼古丁的替代品提供少量的化学品，来帮助人们戒烟。
The main goal of recovery of sodium hydroxide was the economies due to the high replacement cost of this chemical.
回收氢氧化纳的主要目的是在经济方面，因为它大大补偿了化学药剂消耗费用。
Experimental results show that the replacement of slags by pozzolan can reduce the mechanical strength of AASC, but it can be obviously favorable for the resistance to chemical corrosion and t.
研究了这些材料对碱矿渣水泥的强度、抗化学侵蚀性能以及抑制泛碱的作用。
Experimental results show that the replacement of slags by pozzolan can reduce the mechanical strength of AASC, but it can be obviously favorable for the resistance to chemical corrosion and t.
研究了这些材料对碱矿渣水泥的强度、抗化学侵蚀性能以及抑制泛碱的作用。
应用推荐