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软煤厚度 thickness of soft coal英语短句 例句大全

时间:2020-01-27 06:15:46

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软煤厚度 thickness of soft coal英语短句 例句大全

软煤厚度,thickness of soft coal

1)thickness of soft coal软煤厚度

1.According to the principle of the “spherical shell destabilization” theory,the expansion energy of initial relased gas and thethickness of soft coal are defined as the test indexes to predict the dynamic phenomena when coal is uncovered in a cross cut.根据“球壳失稳”假说的原理,确定了初始释放瓦斯膨胀能和软煤厚度作为石门揭煤条件下动力现象的预测指标,在46次突出模拟试验过程中测定了不同动力现象对应的数据,用贝叶斯准则下的多组逐步判别分析法处理这些数据,建立了石门揭煤动力现象三分类预测的判别函数,并且其回判的准确性达到100%。

2)soft thick seam软厚煤层

1.In order to solve the support difficulties of the mining gateway for the fully mechanized top coal caving mining face insoft thick seam of Zhenchengdi Mine,the numerical simulation was applied to the optimized study on the mining gateway support mode and the support parameters.为解决镇城底矿软厚煤层综放开采工作面巷道支护难题,采用数值模拟对巷道支护方式与支护参数进行了优化研究,分析了工字钢、锚杆与锚索等不同支护形式对巷道围岩变形、应力分布及塑性区范围的影响,得出了采用锚网带与锚索支护软煤巷道的优化支护参数,并进行了现场试验,验证了所选择支护参数的可行性。

英文短句/例句

1.Gateway Support Modes and Parameter Optimization of Fully Mechanized Top Coal Caving Mining Face in Soft and Thick Seam软厚煤层综放工作面巷道支护形式与参数优化

prehensive Gas Drainage Technology of Fully Mechanized Mining Face in Seam with Soft Roof,Soft Coal and Soft Floor三软厚煤层综采工作面瓦斯综合抽采技术

3.A research on highly efficient mining technology for use in extra long top coal caving logwall faces with big mining heights in soft,thick and gassy coal seams高瓦斯松软厚煤层大采高超长综放工作面高产高效技术研究

4."Three soft" in thick Coal Comprehensive mechanization mining stent selection of importance“三软”中厚煤层综采支架选型的重要性

5.Research and Application on Synthesis Technology of Extinguishing and Preventing Fire in Mechanized Caving Face of Three-soft Coal Seam“三软”易燃厚煤层自然火灾综合防治技术研究

6.Study on Key Technologies of Reasonable Mining in the Condition of Soft Coal, Thick-hard Roof and Contiguous Seams;软煤、厚硬顶板、极近距离煤层合理开采关键技术研究

7.Application of Fully Mechanized Mining Technology with Caving of Roof Coal in "Three Soft" Large Clined Angle Thick Coal Seam Mining综采放顶煤技术在“三软”大倾角厚煤层开采中的应用

8.Analogue Simulation Research on Roof Moving Rule of Two Soft and One Hard and Largely Inequality Depth Coal Seam in Yunmei No.1 Coal Mine云煤一矿两软一硬大厚差煤层顶板活动规律研究

9.The Study of Mining and Supporting Technique for a Fully Mechanized Top Coal Caving Face in Extremely Soft and Easy Self-ignition Thick Seams;极软岩、易自燃厚煤层综放面开采及支护技术研究

10.Deep-hole construction technology of gas drainage for single low-pervious and mellow thick coal seams with water单一低透松软含水厚煤层瓦斯抽放深孔施工技术

parison of strata movement between section and slicing of top coal mining in steep and thick seams急斜厚煤层分层与分段放顶煤岩层移动对比

12.Mining Technology of Thinner Coal Seam at Yu Jia-liang Coal Company榆家梁煤矿中厚偏薄煤层的开采技术

13.Theoretical determination of the section coal pillar"s reserve-width in medium thick coal seam中厚煤层区段煤柱留设宽度理论确定

14.Gateway Layout Technology of High Gassy Thick Seam in Tunliu Mine屯留煤矿高瓦斯厚煤层巷道布置技术

15.Key Technologies on Fully Mechanized Top Coal Caving Mining of Ultra Thick Seam in Tashan Mine塔山煤矿特厚煤层综放开采关键技术

16.The support applicability in shallow seam mining covered by thick soil厚土层覆盖浅埋煤层支架适应性分析

17.From out the front windows one could see a deep, soft bedding.从前窗向外看得见一层厚厚的、软软的雪。

18.Study on the Roof Bedding Separation and Anchoring Effect of Extremely Thick Coal Seam Large Section Roadway;特厚煤层大断面煤巷顶板离层及锚固效应研究

相关短句/例句

soft thick seam软厚煤层

1.In order to solve the support difficulties of the mining gateway for the fully mechanized top coal caving mining face insoft thick seam of Zhenchengdi Mine,the numerical simulation was applied to the optimized study on the mining gateway support mode and the support parameters.为解决镇城底矿软厚煤层综放开采工作面巷道支护难题,采用数值模拟对巷道支护方式与支护参数进行了优化研究,分析了工字钢、锚杆与锚索等不同支护形式对巷道围岩变形、应力分布及塑性区范围的影响,得出了采用锚网带与锚索支护软煤巷道的优化支护参数,并进行了现场试验,验证了所选择支护参数的可行性。

3)soft and thick seam松软厚煤层

4)very soft coal seam极软厚煤层

1.Mechanism of the rib spalling and the controlling in thevery soft coal seam;极软厚煤层煤壁片帮与防治机理

5)three-soft thick seams三软厚煤层

6)coal seam thickness煤层厚度

1.Spectral moment method to inversecoal seam thickness by seismic data;地震资料谱矩法反演煤层厚度

2.Research oncoal seam thickness detection by natural Gamma ray in shearer horizon control;自然γ射线法在采煤机摇臂自动调高中检测煤层厚度的研究

3.Application of wave impedance inversion incoal seam thickness prediction波阻抗反演在煤层厚度预测中的尝试

延伸阅读

标准煤(见煤当量)标准煤(见煤当量)standard coal、~‘~1人、4《1工兀飞coal)见煤当等

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