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1.
A lysimeter study of nitrate leaching and optimum nitrogen application rates for intensively irrigated vegetable production systems in Central China
作者:
Changsheng
Zhao
;
Chengxiao Hu
;
Wei Huang
;
Xuecheng Sun
;
Qiling Tan and Hongjie Di
关键词:
Irrigation
;
Lysimeter study
;
Nitrate leaching
;
Nitrogen application
;
Optimum fertilizer rate
;
Optimum yield
;
Vegetable production
刊名:Journal of Soils and Sediments
年:2010
2.
Recovery of metals from waste printed circuit boards by a mechanical method using a water medium
作者:
Chenlong Duan
;
Xuefeng Wen
;
Changsheng
Shi
;
Yuemin
Zhao
;
Baofeng Wen
;
Yaqun He
关键词:
Waste printed circuit boards
;
Environment pollution
;
Metals recovery
;
Wet impact crushing
;
Falcon concentrator
刊名:Journal of Hazardous Materials
年:2009
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