北京春季旅游气候资源的分布及利用刘烽,刘洪恩北京市气象局OntheDistributionandUtilizationofSpringClimaticTouristResourcesinBeijing¥LiuFeng;LiuHongenAbstrac...
Beijing spring tourism climate resources distribution and utilization Liu Feng, Liu Honggen Beijing M
Objective: To evaluate the biological activities of Combretum erythrophyllum(C. erythrophyllum) leaf extracts against infectious diseases’ pathogenesis and the