Research on the teaching reform of management courses based on the students' ability structure Shunzhi Xu 抽象的
Analysis on current status of material management for power grid enterprises in China Jie Liu, Yuluan Huang, Yanqing Wang 抽象的
Continuously Changing Light-Dark Phase Decreases Milk Yield, Fat, Protein and Lactose in Dairy Cows Theresa M. Casey 抽象的
Evaluation of Heavy Metals Loading of River Ganga in Gazipur (U.P.) India Hemant Kumar Singh and N. B. Singh 抽象的