ratio method 第1页

Discussion on the calculation method of nitrogen use efficiency (NUE) in long-term field experiments under wheat and maize rotation systems. Interspecific Associations of Dominant Plant Populations in Secondary Forest of Pinus armandii in Qinling Mountains Study of analysis 1 390 adverse drug reactions cases of parenterally administered Dengzhan Xixin based on China’s spontaneous response system Energy balance and evapotranspiration in a natural secondary forest in Eastern Liaoning Province, China Review of eco-efficiency accounting method and its applications Quantitat ive determinat ion of anthraquinone in XIAOZHONGSANYU OINTMENT by K-ratio method Climatically and Ecologically Adaptive Regions for the Introduction of Alnus formosana Characteristics of land surface energy over: Achnatherum splendens grassland in the oasis-desert ecotone of Northern Piedmont of Tianshan Mountains