该项研究为防止矿山井下主溜井、破碎硐室等以及地表产尘量较大的固定尘源污染问题提供了新途径。
It has provided a new way to prevent dust pollution problem at some fixed dust sources such as in main pass, underground crushing chamber and on surface.
本文介绍了金厂峪金矿副并提升系统改造概况和在破碎不稳固的近地表岩体中开挖卷扬机硐室获得成功的经验。
This paper presents the transformation situation of the hoist system for service shaft and the successful experience of driving hoist room in the break and unstable rock mass near to surface.
以某地下铜矿为研究对象，研究了地表要求保护的前提下极破碎矿体的顶板再造上向分段充填采矿法。
Take an underground copper mine as studying object, on which the surface has to be protected, the mining method of sublevel filling method with roof reconstructing is studied.
沟壑密度是反映地表破碎程度的重要因子，在土壤侵蚀、地貌演变等研究中有重要作用。
Ravine density, which is an important factor indicating the extent of the fragmentation of the Earth surface, plays a significant role in the research of soil erosion and landform evolution, etc.
破碎岩石的变形性质是影响采空区覆岩垮落与地表沉陷的重要因素。
The deformation characters of the broken rocks are the important factors that affect the roof caving and surface subsidence above goaf in coal mining.
川中丘陵区地表以紫色沙页岩风化形成的紫色土壤为主，基岩风化剥蚀过程与流失过程交替进行。该区垦殖率高，植被盖度低，地形破碎，土地利用结构复杂，土壤侵蚀严重。
Soil in hilly regions in the middle of Sichuan Province is mainly a type of purple soil which has been developed from the purple shale rock.
川中丘陵区地表以紫色沙页岩风化形成的紫色土壤为主，基岩风化剥蚀过程与流失过程交替进行。该区垦殖率高，植被盖度低，地形破碎，土地利用结构复杂，土壤侵蚀严重。
Soil in hilly regions in the middle of Sichuan Province is mainly a type of purple soil which has been developed from the purple shale rock.
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