通过对顶板断在煤壁里的机理分析和试验，采用了“煤壁支座加采场支柱支座”的方法解释了“放顶煤开采矿压小”的现象，研究了采高与矿......

This paper presents a model of isotopic fractionation by freezing under near equilibrium conditions in an open system a......

In this article we review some of the most important and relevant literature on the properties of ice. We focus on three......