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- NUMERICAL SIMULATION OF FLOW PATTERN OF CAVING FLOW FIELD IN THE INHOMOGENEOUS GOAF WITH ARBITRARY SHAPE 任意形冒落非均质采空区流场流态数值模拟
- Keywords mining engineering;inhomogeneous goaf;two phase miscible flow;air flow;gas distribution;finite element; 采矿工程;非均质采空区;两相混溶流;风流;瓦斯分布;有限元;
- Inhomogeneous goaf 非均质采空区
- Normal size retroflexed empty uterus with inhomogeneous echogenicity. 本人现在国外，是个月前我生下一对双胞胎（是开刀生的）。
- The coal spontaneous combustion in the goaf is one of the main coal disasters. 采空区煤炭自燃火灾一直是我国煤矿的主要灾害之一。
- But the NMR-MOUSE's highly inhomogeneous magnetic field was a problem. 然而，NMR-MOUSE所产生的高度不均匀磁场是个问题。
- The paper presents a new way of grouting in discrete zone and stowing in goaf. 充填开采增加矿井设备和生产成本,且充填材料来源在某些矿区比较缺乏。
- This method has the advantage in the modeling of complex models such as goaf. 在建立如采矿区这样的复杂模型时，这种方法显得很有优势。
- Groundwater, surface water, goaf and settlement of loess are induction factors. 地下水、地表水、采空和黄土湿陷性只是诱导因素。
- Slope hazards risk evaluation on Spontaneous ignition of goaf was conducted. 摘要针对采空区自然发火进行了危险性评价。
- This paper investigates the integrable inhomogeneous generalized Heisenberg ferromagnet model by using the prolongation structure theory. 摘要利用延拓结构研究了可积的非均匀推广的海森堡铁磁链方程。
- Too low melt temperature: Inhomogeneous melt with cold material inside (Which cause empty parts, broken parts etc. 熔体温度太低:材料塑化不均,熔体内含冷料(从而造成充模不足,冷料,产品断裂等)
- Even if our universe is inhomogeneous, the homogeneity principle can still serve us as simplified model to work with. 无论如何,均匀性原理大大简化了我们的宇宙模型,让我们无须迷失于复杂的运算中。
- Basedon the application of the theory and the cite test, the laws of methane movement in sublevl cav-ing face and goaf are studied. 应用该理论结合现场试验，研究综放开采顶煤瓦斯和采空区瓦斯运移规律及工作面瓦斯涌出规律。
- When an inhomogeneous plane wave is introduced into a dense dielectric layer, it can bounce between the two boundaries. 把一非均匀平面波引进折射率较高的介质层时，它会在上下界面间来回地“弹”射。
- Gas overflowed in wood road413 of this mine is through the link- roadway caused by goaf gas discrarging. 该矿413机巷后路瓦斯超限是采空区瓦斯通过联络巷泄漏所致。
- The form solution to the Mixed Problem of one dimension inhomogeneous diffusion equation was given through the method of undetermined function. 摘要利用待定函数法给出了一维非齐次扩散方程混合问题的形式解。
- The determinant criteria of the stability of roadbed is mainly ground surface deformation caused by mine goaf collapse. 采煤空区坍塌引起的地表移动与变形是确定路基稳定性的主要依据.
- This paper systematically investigates the collisional absorption of EM-wave by a conductive plane covered with inhomogeneous unmagnetized plasmas. 摘要研究了非磁化等离子体的碰撞吸收隐身技术机理。
- The difference of heated area between tubes is very small, so the thermal deviation mainly results from inhomogeneous endotherm and flux. 但由于管子毛间的受热面积差异很小，过热器的热偏差主要由于吸热不均匀和流量不均匀造成。
