PRODUCTIVITY

作品数:757被引量:1293H指数:15
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Effects of fertilization on population density and productivity of herbaceous plants in desert steppe被引量:1
《Research in Cold and Arid Regions》2014年第3期219-225,共7页JieQiong Su XinRong Li HaoTian Yang 
supported by the Major State Basic Research Development Program of China (973 Program, Grant No. 2013CB429901-2);the Foundation for Excellent Youth Scholars of Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences (Y451121001)
In order to investigate the impacts of fertilization on population density and productivity on herbaceous plants in desert steppe, nitrogen (N), phosphorus (P), and N-P addition experiments were performed. Each fe...
关键词:desert steppe herbaceous vegetation nitrogen fertilizer phosphorus fertilizer BIOMASS 
New perspective of Miocene marine hydrocarbon source rocks in deep-water area in Qiongdongnan Basin of northern South China Sea被引量:3
《Acta Oceanologica Sinica》2012年第5期107-114,共8页LI Wenhao ZHANG Zhihuan LI Youchuan FU Ning 
The Major State Basic Research Development Program (973 Program) under contract No. 2009CB219402
Drilling wells reveal that the organic matter abundance of Miocene marine source rocks in shallow water area of the Qiongdongnan Basin is relatively low with poor hydrocarbon generation poten- tial. However, in some d...
关键词:hydrocarbon-generation potential marine source rocks ocean productivity preserva- tion condition deep water area deep sea drilling 
Development of Chinese characterization factors for land use in life cycle impact assessment被引量:8
《Science China(Technological Sciences)》2010年第6期1483-1488,共6页LIU Yu,NIE ZuoRen,SUN BoXue,WANG ZhiHong & GONG XianZheng School of Materials Science and Engineering,Beijing University of Technology,Beijing 100124,China 
supported by the National Natural Science Foundation of China (Grant No.50525413);National High Technology Research and Development Program of China ("863" Program)(Grant No.2007AA03Z432);National Basic Research Program of China ("973" Program)(Grant No.2007CB613706);National Key Technology Research and Development Program of China (Grant No.2006BAF02A23);Beijing Natural Science Foundation (Grant No.2081001)
A model with Chinese characterization factors for quantifying the damages to environment by land use in terms of the change in net primary productivity (NPP) of ecosystem was developed in the framework of life cycle a...
关键词:life CYCLE assessment LAND use net PRIMARY PRODUCTIVITY 
A NEW METHOD FOR PREDICTION OF PRODUCTIVITY OF FRACTURED HORIZONTAL WELLS BASED ON NON-STEADY FLOW被引量:9
《Journal of Hydrodynamics》2007年第4期494-500,共7页LEI Zheng-dong CHENG Shi-qing LI Xiang-fang XIAO Hua-ping 
the National Natural Science Foundation of China (Grant No. 90210018);the National Basic Research Program of China (973 Program, Grant No. 2001CB209108).
Hydraulic fracturing technologies of horizontal well are important ways to develop oil-gas field with low permeability. Productivity forecast of fractured horizontal wells is a difficult problem of hydraulic fracturin...
关键词:horizontal well FRACTURING PRODUCTIVITY COUPLE non-steady flow 
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