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Laboratory investigation of the anisotropic confinement-dependent brittle-ductile transition of a Ut
This paper was developed as part of an effort by the National Institute for Occupational Safety and Health(NIOSH)to iden......
通过对1995～2005年海水样品的采集、检测及查阅相关文献资料获得渤海湾氮、磷营养盐的数据资料。讨论了渤海湾氮磷比的变化趋势、年......
根据1962年-1998年81个航次的调查和历史资料，讨论了胶州湾营养盐及其结构的长期变化和对生态环境的影响。近40年来，胶州湾无机N和P......
基于交叉口转弯比例列出路网流量守恒的线性方程组，其系数矩阵表示路网中路段问交通流向的逻辑关系，采用“点线变换”的方法给出这种......
对产自陕西的一种弱粘煤进行了实验室研究,探讨了高炉喷吹弱粘煤的可行性。结果证实,弱粘煤具有低硫、高发热值等特点,是高炉喷吹......
Discontinuities are an inherent part of the rock mass and majorly affect the stability of the excavation skin and pillar......
Through direct shear and triaxial compression tests, effects of expanded polystyrene (EPS) mass ratios in sand-EPS mixtu......
The authors measured Pb isotope compositions of seven USGS rock reference standards, i.e. AGV-1, AGV-2, BHVO-1, BHVO-2, ......
