研究了沉淀母液中残余铜的除去方法，使之再生，可回用于碱性蚀刻液的生产。
Researches on the removal methods of remaining copper in the mother liquor are conducted, making it rise again and utilizing it.
介绍了新型离心萃取机的工作原理、特点及其在碱性蚀刻液再生循环中的应用状况及前景。
The working principle, characteristics and application status and trend of a new type of centrifugal extractor in alkaline etching solution recycling were introduced.
运用络合平衡和沉淀平衡的理论，对酸性氯化铜蚀刻液的蚀刻过程进行研究，提出以铜废料作还原剂，回收蚀刻液中铜。
Based on application of theories of complexing and precipitation equilibriums and study of etching process using acidic copper chloride etching soln. , a new method of recovering Cu in etching soln.
一家销售蚀刻水泥地盐酸的公司以为盐酸为胶液产品，可以被合法地冲进下水道，因此是环保产品。
One company selling hydrochloric acid for etching cement floors reckoned that, because it was in gel form and could legally be washed down the drain, the product was environmentally friendly.
以酸性蚀刻废液为铜源，水合肼为还原剂，采用液相还原法制备纳米铜粉。
Nanometer copper powders were prepared from acidic waste etching solution containing copper using hydrazine hydrate as a reductive agent.
电路板的蚀刻；半导体生产过程中输送高纯度化学液。
PCB etching, Semiconductor manufacturing process of conveying of high purity chemical liquid.
文中介绍了黄铜电化学蚀刻的原理、电解液配方和工艺参数。
The principle, electrolyte formula and parameter of brass electrochemistry etching are introduced.
文中介绍了黄铜电化学蚀刻的原理、电解液配方和工艺参数。
The principle, electrolyte formula and parameter of brass electrochemistry etching are introduced.
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