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- Spent Etching Solution: Condition for Copper Precipitating and Comprehensive Utilization 蚀刻废液中铜回收条件的选择及废液再利用
- ESTABLISHMENT OF A NEW ZERO-EMISSION PROCESS FOR RESOURCE UTILIZATION OF CIRCUIT BOARD SPENT ETCHING SOLUTION BY GRAVITY SEPARATION 采用重选法处理蚀刻废液零排放资源化新工艺
- spent etching solution 废蚀刻液
- This paper describes analysis adjustment and maintain of persulphate etching solution in PCB production. 叙述印制板生产中过硫酸盐微蚀液的分析、调整和维护。
- The new method of producing basic copper carbonate from waste etching solution containing copper. 介绍了利用含铜蚀刻废液合成碱式碳酸铜的新工艺。
- Nanometer copper powders were prepared from acidic waste etching solution containing copper using hydrazine hydrate as a reductive agent. 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。
- Waste etching solution containing copper,a type of hazardous waste discharged by PCB manufactories,is a potential menace to the environment. PCB产业所产生的含铜蚀刻废液是对环境存在较大潜在威胁的危险废物。
- In aluminium anodizing process, concentration of NaOH, Al 3+ and additives in alkaline etching solution were determined. 在铝合金阳极氧化生产工艺中,测定碱蚀槽液苛性钠、铝离子、添加剂的浓度。
- KSM-201is air-drying etching resist ink for acidic etching solution, which is used for making patterns on copper-clad laminates by means of acidic etching. KSM-201系列自干型耐酸抗蚀刻油墨用于酸性蚀刻法制造印制板电路图形。
- She spent an hour in quiet contemplation. 她静静地沉思了一个小时。
- recycling of alkaline etching solution 碱性蚀刻液再生
- Treatment of circuit board spent etching by new zero-emission process 采用零排放新工艺处理蚀刻废液
- They spent their lives in servitude. 他们在奴役下生活。
- The boys spent the night under canvas. 孩子们在帐篷里过夜。
- I spend most of my time scouting around for book. 我把大部分时间都用来找书了。
- I spent my early childhood in my hometown. 我在故乡度过了自己的孩提时代。
- Money spent on business expenses is deductible. 业务方面的开支是可扣除税款的。
- That is a beautiful etching of a bird. 那是一只鸟的漂亮的蚀刻画。
- We spent every last penny we had on the house. 我们的钱全部用在房子上了。
- A large proportion of my time is spent in studying. 我的大部分时间花在学习上。
