1.
The result of study indicated that the electrolytic method can remove copper ions of the alkali ammonia etching wastewater effectively, and reclaim metal copper.
研究结果表明,电解法能够有效地去除碱氨蚀刻废水中的铜离子,并可以回收金属铜。
2.
Alkaline etching of the comprehensive utilization of waste water-Hydrazine hydrate to restore the recovery of copper
碱性蚀刻废液的综合利用----水合肼还原回收铜
3.
A New Technology for Production Basic Copper Carbonate from Waste Etching;
利用含铜蚀刻废液合成碱式碳酸铜新工艺研究
4.
Recovery of Copper Extracted from the Spent Nitric Etching Solutions of Printed Circuit Board Using CP-150
利用CP-150萃取回收PCB碱性蚀刻废液中的铜
5.
The article introduces the application of fixed ammonia alkali additive decomposition equipment on coking wastewater.
文章着重介绍了固定氨加碱分解装置在焦化废水中的应用。
6.
Recycle of Spent Acidic Etchant for Printed Circuit Board
印制电路板酸性蚀刻废液的回收利用
7.
Technics for Producing Bluestone from the Waste Liquid Engendered from the Etching of Circuit Boards;
从刻蚀电路板废液中制取硫酸铜的工艺研究
8.
Reuse treatment of spent copper-containing etching solution for printed circuit board-Part II
印刷线路板含铜废蚀刻液的回用处理(二)
9.
Reuse treatment of spent copper-containing etching solution for printed circuit board-Part Ⅰ
印刷线路板含铜废蚀刻液的回用处理(一)
10.
A Study on the Calculation of the Law of Salts Crystallizing from the Waste Clear Liquid in Solvay Soda-making Process(Ⅱ)-Isodensity Lines
氨碱法废清液析盐规律的计算研究(Ⅱ)——等密度线
11.
Study on Trace Zinc and Nickel Removal in Ferric Chloride Preparation Technology Using Waste Etchant and Waste Acid
利用蚀刻废液和废酸制取三氯化铁工艺中微量锌镍去除研究
12.
Industrial Sewage Waste Water Tank Anti-corrosion Technology and Explore the Anti-corrosion Failure
工业污废水池防腐蚀工艺及防腐蚀失效探讨
13.
etchings, woodcuts, lithographs;
蚀刻、木刻、平版画；
14.
a method of etching that imitates the broad washes of a water color.
一种模仿水彩冲洗的蚀刻方法。
15.
These etchings, paintings, and silkscreens are really nice.
这些蚀刻画、水彩画和绢画真的很不错。
16.
Performance Research of Weakly Alkalinity Alkali-Activated Slag Cement Immobilsing Nuclear Wastes;
低碱度碱矿渣水泥固化放射性废物性能研究
17.
A Recycle of Waste Alkaline Water and Waste Acidic Water in Heat and Power Plant;
热电厂废酸、废碱水的综合治理及回收利用
18.
The neutralization of acid and of caustic wastes is based upon such formation.
酸碱废水中和就是根据此原理设计的。