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- coal mass structure 煤体结构
- The rock mass structure can be expressed by rock stratum effect thickness influence coefficient. It is more scientific then using roof rock and sand content in the study of coal seam gas preservation. 研究表明,煤层围岩岩体结构控制了煤层瓦斯的赋存,岩体结构可用岩层效应厚度影响系数来表示,应用这一参数研究煤层瓦斯赋存比用煤层顶板岩性及含砂率更科学。
- Under this condition, the preventive measure was increasing the porosity of coal mass and deceasing the circulating channels of gas and air. 提出了增加卸载区的范围,促使煤体裂纹稳定扩展,降低单位煤体储能从而控制冲击矿压发生的原理。
- The stress appearance of each measurement point is relevant with the tectonics, rock mass structure and lithology. 每个测点的应力状态与其所处的构造部位、岩体结构、岩性分布等有关。
- The dilatation process of coal mass is depicted by 3 characteristic quantities,namely,volume compression,steady dilatation and dilatation mutation. 用3个特征量描述了煤体扩容变化的过程,即体积压缩、稳定扩容及扩容突变。
- WU Yan-qing.Types of rock mass structure and hydromechanical models rock mass[J].Chinese Journal of Rock Mechanics and Engineering,2000,19(6):687-691. [1]仵彦卿.;岩体结构类型与水力学模型[J]
- Through the testing research about gas drainage on outsize coal sample, the relativity of coal mass deformation and drainage quantity &time is opened out. 通过大煤样的瓦斯排放试验研究,揭示了顺序加载与逆序加载下的煤体变形与瓦斯排放量以及排放时间的相关性。
- The analysis indicates that the interior change of coal sample mainly leads to the synchronous and coherent variations of coal mass and oxygen physisorption. 分析表明,煤样内部的氧化变化是导致其质量和吸附氧气量发生同步、一致变化的根本原因。
- The process of dilatation change of coal mass was depicted by three characteristic quantities, such as volume compression, steady dilatation and dilatation mutation. 用三个特征量描述了煤体扩容变化的过程;体积压缩、稳定扩容及扩容突变。
- The geometrically combined relation of the syncline stucture with the pit controls the mechanical effect of the stuctural plane and rock mass structure. 向斜构造与采场的几何组合关系控制着结构面和岩体结构的力学效应。
- In Chapter six to eight, the detailed process, through which the "less investment, more profit, high efficient" management pattern and mass structure propel Shanxi draft bank to get away with adversity from downcast to prosperity, is issued. 第六、七、八章,论述了在以身股为本的经营管理体制下,“本少利厚快速高效经营模式”和群体结构,由于适应了当时金融市场复杂多变的情况,从而推动了山西票号摆脱逆境,由低谷走向繁荣和鼎盛的具体的历史发展过程;
- Analysed the nature characteristic of rock mass structure,discussed the solution method of fractional dimension and simulate program with computer,offered some engcneering concrete instances. 分析了岩体结构的自然特性,介绍了分形维数的求解方法及其计算机模拟程序,并给出了工程实例。
- The stability of rock mass project is mainly controlled by the rock mass structure, and faults are the large geological discontinuity plane commonly encountered in rock mass engineering. 摘要岩体工程的稳定性主要受岩体结构控制,而断层是岩体工程中最常见的一类规模较大的地质不连续面。
- The second level is the immediate rock mass surrondings, consisting of the rock mass structure, development of structural planes, ground water distribution ete. 第二种为围岩的小环境,它包括岩体结构、结构面的发育情况、地下水的分布等;
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Effects of Rock Mass Structure on Rock Blasting 岩体结构对岩石爆破效果的影响
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- The mechanics intensity of structural plane is the feeblest part in the rock mass structure, the exhibition of discontinuity, unequal and anisotropy for mechanics capability induced by structural plane. 结构面是岩体结构中力学强度最薄弱的部位,导致了岩体力学性能的不连续性、不均一性和各向异性。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。