2Study on evaluation index system of coal mine safety based on interval number analytic hierarchy process253-260
5Numerical simulation study of expansion and thermal stress field in new type of monolayer freezing shaft lining272-278
6Numerical simulation study on high strength U-type steel supporting in soft coal seam return airdrift279-284
8Microfacies types and their sedimentary environments from the lower permian Taiyuan formation in Jiaozuo area291-298
9Research on appropriate exploration technology of coalbed gas of Shaerhu district, Tuha basin299-304,316
12Study on the heat transfer performance of honeycomb plate different parameters by orthogonal design317-321,325
15Design on burial glass reinforced plastic polyurethane insulation coating pipe and insulation layer thickness330-333
16The microstructures and electrochemical properties of La1-x Cex Ni3.54 CO0.78 Mn0.35 A10.32 hydrogen storage electrode alloys334-339
