Research on Digital Image Processing of Coal Flotation Froth(Ⅱ)——The square neighbor algorithm for extracting features of digital coal flotation froth image刘文礼, 路迈西, 王振翀, 王勇, 王凡233-236
Experimental Research of Load-Bearing and Deformation Characteristics of Rigid Pile Composite Ground池跃君, 宋二祥, 高文新, 金淮237-241
Effects of Arbuscular Mycorrhizal Fungi on Nutrient Uptake of Maize in Reclaimed Soil毕银丽, 胡振琪, 司继涛, 全文智252-257
Discovery and Geological Significance of Platinum Group Elements in Coals from Southwestern Guizhou 李生盛, 张军营, 任德贻, 代世峰258-261
Fuzzy Optimum Selection and Analysis for Optimization and Evaluation of Mine Ventilation Systems周福宝, 王德明, 李正军262-266