Direct current resistivity and ground penetrating radar surveys were employed to obtain the value of the resistivity and......

Investigation of plant morphological features, pollen, and habitat have been made for two shrub species from Barrow, Ala......

目前，我国煤矸石产量约为原煤总产量的15％-20％，而且每年新增加的矸石在1．5亿t左右。通过对锦程煤业矸石场设置合理性进行分析．提出必须有......

在广东江门至茂名500 kV送电线路工程(西一段)导线张力架设过程中,对工程中放线滑车有可能失压或上扬的塔位从理论上进行了分析计......

对西藏和北极巴罗地区菊科4个属（蒿属、飞蓬属、风毛菊属和千里光属）17个种的花粉形态进行了光学和扫描电子显微镜的观察、比较.结果......