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。
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