Cascading failures are common phenomena in many of real-world networks,such as power grids,Internet,transportation netwo......

Lineament extraction and analysis is one of the routine work in mapping medium and large areas using remote sensing data......

针对煤矿建设项目生态环境影响的定量化表述问题,从生态亚区划分、生态因子选择、生态因子定量化以及生态环境的综合评价等方面进......

HBV感染的治疗应以抗病毒为主,评价疗效应以HBVDNA消长来衡量.用PCR定量法不加选择地观察98例HBV急慢性感染病例的血液和肝、脾、......