1) obsolescent
[英][,ɔbsə'lesnt] [美][,ɑbsə'lɛsṇt]
废退的
2) on the shelf
废弃的,退役的,缓行的
3) spent solder stripper
废退锡液
1.
Studies of recovering tin and nitric acid from the spent solder stripper;
废退锡液中硝酸和锡的综合回收
2.
The basic reason for instability of spent solder stripper is analyzed.
分析废退锡液不稳定的根本原因,通过考察硝酸浓度对溶液氧化性的影响及C l-、甲基烷基磺酸对Sn2+的稳定作用,来寻找使废退锡液稳定的因素。
3.
Nowadays, the approach to treating spent solder stripper includes neutralizat-ion,chemical sediment, electrolysis and so on .
目前,废退锡液的处理方法有中和法、化学沉淀法、电解法,或用来制备三水合锡酸钡。
4) desizing wastewater
退浆废水
1.
Treatment of desizing wastewater by ultrafiltration technology;
有机超滤膜处理退浆废水实验研究
2.
Effects of poly(vinyl alcohol) in desizing wastewater and its degradation performance;
退浆废水中PVA对环境的影响及其降解性能
3.
Study on the treatment of desizing wastewater by flocculation;
絮凝法处理退浆废水的实验研究
5) spent tin-fading liquid
废退锡水
1.
Technology for determination of tin in spent tin-fading liquid after translated into soluble stannate byalkali and solved in hydrochloric acid was introduced,the three means are titration and Flame Atomic AbsorptionSpectrophotometry and Atomic Emission Spectrophotometry.
文章介绍了加强碱将偏锡酸胶体转化为可溶性的锡酸盐,再用盐酸溶解后分别采用滴定法、AAS、ICP-AES三种方法测定废退锡水中锡的分析测量技术。
补充资料:废退
1.黜退;贬黜。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条