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- Keywords mining engineering;analytical hierarchy process（AHP）;stability of seam roof;fuzzing mathematics;weight; 采矿工程;层次分析法;顶板稳定性;模糊数学;权重;
- stability of seam roof 顶板稳定性
- Complex coal seam roof and floor conditions made stope support system low stiffness,poor stability and a very adverse the exploitation environment. 复杂的煤层顶底板条件使得采场支护系统刚度低、稳定性差,开采环境十分恶劣。
- The government has taken a measure to maintain the stability of prices. 政府已经采取了措施以确保物价稳定。
- The war could threaten the stability of the region. 战争可能会影响到这个地区的稳定。
- contour map of seam roof 矿层顶板等高线图
- Special winch can keeps the stability of the rig. 特殊的卷扬机构,有效保持施工的稳定性。
- Study on the Stability of Lidocaine Cream Co. 复方利多卡因乳膏稳定性研究。
- Evaluation on rock stability of seam roof-bottom in Yuanjialiang prospecting area 袁家梁勘探区煤层顶底板岩石稳定性评价
- Second, stability of the grain market. 第二，粮食市场安定。
- According to the conditions of seam No.5 in Shifengshan Coal Mine,longwall face roof coal drawing method is chosen. 通过对峙峰山煤矿5号煤采煤方法的设计,提出了采用综采放顶煤法回采5号煤。
- The stability of affairs is very serious. 事态非常严重。
- The stability of GDH to heat and pH were studied. 并对其热稳定性及酸碱稳定性进行了研究。
- The test results show that the drawing interval of 1.5 m is helpful for controlling dead-unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top-coal. 试验结果表明，放煤步距采用三采一放有利于控制顶板极松散细砂岩，降低放出顶煤的含砂率。
- Hight stability of size shrinkage. 尺寸收缩稳定性高.
- The stability of Gardenia red pigment was studied. 本文对栀子红色素做了较为全面的稳定性研究。
- In the process of Shanxi formation seam mining in Shaqu Colliery,the seam roof and floor sandrock aquifers constitute the direct discharge aquifers. 沙曲煤矿山西组煤层开采过程中,煤层顶底板砂岩含水层构成煤层开采时的直接充水含水层。
- It is considered that the roof and floor of seam 5 are in poorer steadines,where mudstone prevails,and the roof and floor of seam 6 in better steadiness,where sandstone dominates. 5煤顶底板以泥岩分布最广，6煤顶底板砂岩、粉砂岩和泥岩均有较大分布。砂岩稳定性较好，粉砂岩次之，泥岩较差。
- Objective Improving stability of Enoxacin cream. 目的提高依诺沙星乳膏稳定性。
- From tectonic characteristics, the main seam roof is divided into super structure-development, structure-development, middle structure-development, and nondevelopment. 从构造特征分析，煤层顶板分成构造特别发育型、发育型、中等发育型和不发育型；
