复合煤层,multiple coal seam
1)multiple coal seam复合煤层
1.Various operation methods of dragline under the condition ofmultiple coal seams are summarized and analyzed.对复合煤层条件下的拉斗铲作业方式进行了总结与评述,依据拉斗铲数量和夹矸层剥离方式不同分为单铲逐层倒堆剥离、夹矸层辅助设备剥离、双铲联合倒堆剥离3类。
英文短句/例句
1.A technical research on the air leakage prevention technology for use in mining shallow and composite coal seams浅埋藏复合煤层开采漏风防治技术研究
2.Study and Application on the Technique of Preventing and Extinguishing Spontaneous Combustion Hazards in Mining Compound Seam of Daliuta大柳塔矿复合煤层开采自燃火灾防治技术的研究与应用
3.Roadway Mechanized Excavation Technology for the Close Distance Seams for the Composite Lay Roof under Goaf近距离煤层采空下复合层顶板巷道综掘技术
4.Reserving space for lane along the tunnel under the condition of soft coal bed,compound roof supports and protections;松软煤层复合顶板联合支护 沿空留巷探讨
5.On compound support for composite roof in gob-side entry in thin coal seams浅谈薄煤层复合顶板沿空留巷联合支护
6.Mechanism,prediction and control of "rock burst induced by shock bump" kind dynamic accident in composite thickness coal复合型厚煤层“震-冲”型动力灾害机理、预测与控制
7.Research on coal roadway compound roof support with bolt-mesh-anchor复合顶板煤层巷道锚网索支护技术研究
8.Application of Combined Supporting Technology of Anchored Bolting Mesh and Metal Support in Coal Seam with Soft Roof , Soft Coal and Soft Floor“三软”煤层锚网金属支架复合支护技术的应用
9.Study on Complex Active Support System of Seam Gateway with Thick Carbonaceous Mudstone Roof厚层炭质泥岩顶板煤巷复合主动支护系统研究
10.Research on Strong Composite Supporting Technology in Large Section Chamber in Inflammable Thick Coal Seam易燃厚煤层大断面硐室强力复合支护技术研究
11.Mining Field Pressure and Coalbed Gas Seepage Solid-Gas Coupled Study in the Condition of Composite Key Stratum复合关键层下采场压力及煤层瓦斯渗流耦合规律研究
12.Technology of coal seam Short-wall water injection to realize dustproof开展煤层短壁注水 实现煤层综合防尘
13.The Research on Calculating the Permeability of Coal Seams Combining the Curve of Rising Gas Pressure in the Boreholes结合钻孔瓦斯压力恢复曲线计算煤层透气性系数的方法研究
14.Prediction of water inrush from coal seam floor confined based on geo-information composite overlay analysis基于地学信息复合叠置分析对煤层底板突水的预测
15.Flyash and Steel Slag Composite Material Test Performance as Flexible Pavement Base粉煤灰与钢渣复合材料作柔性路面基层试验性能分析
16.Analysis of the problem of trial-production process of the polyethylene-coated composite pipe for underground coal mine煤矿井下用聚乙烯涂层复合钢管试制过程问题分析
17.Research on supporting reinforcement of roadway complex site in thin coal seam joint mining薄煤层联合开采回采巷道复杂地段支护加固研究
18.SEEPAGE CHARACTERS OF ROOF AQUIFERS IN FAULTS AND SLIDING STRUCTURE AND RISK ANALYSIS OF WATER INRUSH断层及滑动构造复合构造区煤层顶板含水层渗流特征及突水危险性分析
相关短句/例句
composite thickness coal seam复合型厚煤层
3)disaster type煤层复采
4)complicated seam复杂煤层
5)compound mining coal seam复采煤层
6)complex coal复合煤
1.The paper represents the effect ofcomplex coal,complex additive,concentration of slurry and concentration of additive on the stability of coal-oil-water slurry.考察了复合煤、复合添加剂及煤浆煤浓度和添加剂用量对煤-油-水三元煤浆稳定性的影响。
延伸阅读
复合材料的复合效应复合材料的复合效应composition effect of composite materials复合材料的复合效应Composition effeet of Com-Posite materials复合材料特有的一种效应，包括线性效应和非线性效应两类。线性效应包括平均效应、平行效应、相补效应和相抵效应。例如常用于估算增强体与基体在不同体积分数情况下性能的混合率，即 Pc一巧几+VmPm式中Pc为复合材料的某一性质，乃、几分别为增强体和基体的这种性质，VR、Vm则分别是两者的体积分数。这就是基于平均效应上的典型事例。另外关于相补效应和相抵效应，它们常常是共同存在的。显然，相补效应是希望得到的而相抵效应要尽可能避免，这个可通过设计来实现。非线性效应包括乘积效应、系统效应、诱导效应和共振效应、其中有的己经被认识和利用，并为功能复合材料的设计提供了很大自由度;而有的效应则尚未被充分地认识和利用。乘积效应即已被用于设计功能复合材料。如把一种具有两种性能互相转换的功能材料X/y(如压力/磁场换能材料)和另一种Y/Z的换能材料(如磁场/电阻换能材料)复合起来，其效果是(X/D·(Y/Z)二X/Z，即变成压力/电阻换能的新材料。这样的组合可以非常广泛(见表)。系统效应的机理尚不很清楚，但在实际现象中已经发现这种效应的存在。例如交替迭层镀膜的硬度远大于原来各单一镀膜的硬度和按线性棍合率估算的数值，说明组成了复合系统才能出现的性质。诱导行为已经在很多实验中发现，同时这种效应也在复合材料的乘积效应┌──────┬──────┬──────────┐│甲相性质│乙相性质│复合后的乘积性质││ X/y│ Y/Z│沙到豹·(Y/公一义您 │├──────┼──────┼──────────┤│压磁效应│磁阻效应│压敏电阻效应│├──────┼──────┼──────────┤│压磁效应│磁电效应│压电效应│├──────┼──────┼──────────┤│压电效应│场致发光效应│压力发光效应│├──────┼──────┼──────────┤│磁致伸缩效应│压阻效应│磁阻效应│├──────┼──────┼──────────┤│光导效应│电致效应│光致伸缩│├──────┼──────┼──────────┤│闪烁效应│光导效应│辐射诱导导电│├──────┼──────┼──────────┤│热致变形效应│压敏电阻效应│热敏电阻效应│└──────┴──────┴──────────┘复合材料界面的两侧发现，如诱导结晶或取向，但是尚未能利用这种效应来主动地设计复合材料。两个相邻的物体在一定的条件下会产生机械的或电、磁的共振，这是熟知的物理行为。复合材料是多种材料的组合，如果加以有目的性的设计，肯定可利用这种共振效应，但是目前尚未加以研究。(吴人洁)
