Agricultural non-point pollution is formed by 4 processes of rainfall runoff, soil erosion, surface solution stripping and soil solution seepage.
农业非点源污染主要由降雨径流、土壤侵蚀、地表溶质溶出和土壤溶质渗漏4个过程形成。
Suitable conditions of stripping palladium with ammonium chloride-(ammonia) solution are also studied.
也考察了氯化铵的氨水溶液反萃取钯的适宜条件。
For the module with lower packing density, high quality crystals have been prepared under the proper flow velocities of crystallization solution and stripping agent.
在较低的装填分率下,控制合适的结晶溶液流速及洗脱液流速均可以结晶制得质量较好的晶体。
The cathodic behaviours of Ni electroplating in Watts solution and Watts solution containing additives have been studied by anodic stripping votammetry on microelectrode.
用微电极阳极溶出法在瓦特液和加有一些添加剂的瓦特液中研究了镍的电沉积行为。
This paper aims to extraction and stripping of gold(I) from alkaline cyanide leaching solution by the N235-TOPO co-extraction system.
由N235与路易斯碱三辛基氧膦(TOPO)组成协同萃取体系,对碱性氰化浸金贵液中金(I)协同萃取和反萃进行了研究。
Different type of ion-exchange resin, height of resin, absorptive time and absorptive stripping rate for copper from the leach osmosis solution of copper ores are studied.
研究了不同种树脂、树脂的高度、吸附时间以及吸附流速对铜矿浸出渗透液的吸附能力。
Stripping rate and prevention of brass substrates from being etched are discussed. Electrolytic stripping of the deposits in a sulfuric acid solution is recommended.
讨论了退镀速度和防止基体受腐蚀问题,建议选用硫酸介质电解退镀。
Stripping rate and prevention of brass substrates from being etched are discussed. Electrolytic stripping of the deposits in a sulfuric acid solution is recommended.
讨论了退镀速度和防止基体受腐蚀问题,建议选用硫酸介质电解退镀。
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