工作面

Through the generalizing the practice of the water detection and water release on the stopes,this paper puts forward some concrete operating methods and some matters needing attention in the operation,which possess certain guiding function in tomorrow's underground water detection and water release and the safety in production of the coalmines.

通过对回采工作面探放水工作的实践总结，提出了具体的操作方法和应注意的事项，对今后的煤矿井下的探放水工作及安全生产工作具有一定的指导意义。

At the same time, it gets a series of basic data used for mine construction during the cooling system design and equipment selection according to the measured results; Using the analysis software Matlab, it obtains the change relations between the temperature of sprinkler room and fan export supply air temperature, wind casing temperature rise and fan export supply air temperature, working face temperature and supply air temperature, used for the mine cooling which has the similar conditions.

同时根据实测结果总结得出了一系列可用于矿井建设期间降温系统设计及设备选择的基础数据；并利用MatLAB分析软件回归得出了喷水室喷水温度与风机出口送风温度之间、风筒温升与风机出口送风温度之间、工作面温度与送风温度之间的变化关系，以便供类似条件的矿井降温所借鉴。

Pump wear and tear maintenance: Pump body is absorbing the major section of wear surface arc-shaped face.

泵体的磨损维修：泵体内表面磨损主要是吸油区段圆弧形工作面。

The simulation results indicate that the longwall face width and the barrier pillar width obviously affect the stability of interlayer rock body.

长壁工作面宽度、护巷煤柱宽度对层间岩体稳定性影响明显。

This paper introduces bolting technology with wire meshes,beam and cable anchor and parameter design of main support in 1113(3) conveying workface of zhang ji coal mine,through surveying to combined rock pressure of driving and coal winning,it proves feasibility about bolting with wire meshes,beam and cable anchor in large cross section composite roof roadway.

介绍了张集煤矿1113(3)综采工作面运输巷，采用锚梁网索支护技术解决巷道支护过程中的难点及确定合理支护参数，通过对掘进和回采期间的综合矿压观测，证明锚梁网索支护在大断面复合顶板煤巷中应用是可行的。

The gap between the tube blank top tray and intermediate bed slider face influences the tube forming qualit...

本文介绍了LD-120五辊冷轧管机轧制的工作原理及其主要部件性能，架分析了管坯顶盘及活动托与中间床身滑轨工作面之间的间隙的影响因素及调整方法，并通过计算解决了间隙的调整量问题。

This paper describes the main capability and structure of a new type slicer,and denmenstrating the capability of inceasing the block rate,coal quality and output in working face.

介绍了新型刨煤机的主要性能和结构特点以及使用条件，结合晋城矿区煤层赋存条件，论证了刨煤机在晋城矿区使用能大幅度地提高综采工作面煤炭块率。

The fracture angle、height of roof coal and support chute which effect on the rules of caving coal are studied completely.

针对煤矿放顶煤工作面特点，建立了在有边界条件约束下的放出体多元数学模型，全面分析了顶煤垮落角、放煤高度、放煤口位置对放煤基本规律的影响，阐明放出椭球体轴偏角的产生与计算方法。

According to the structure of terrane and exploring water result of coal floor disclosed by hydrology drill hole,it is demonstrated that there exists strong relationship among abnormal apparent conductivity, crack in rock stratum and the extent of filled water in crack,an.

应用音频电透视技术，分析了杨村煤矿2702工作面底板30 m和50 m深度界面的探测成果，并与井下水文钻孔揭露的煤层底板岩层结构及探水结果对比研究，发现音频电透视探测的煤层底板综合视电导率高异常与岩层的裂隙性及其充水程度具有很强的关联性；岩层裂隙与含水层连通性良好部位明显显现视电导率高值异常，结果表明，音频电透视探测成果能够综合反映底板岩层的阻水条件。

Synthetical transform of Baijiao Coal Mine main hoist system

寿阳县段王煤化有限责任公司扩建时改造主提升系统，采用大倾角皮带作为主提升设备，提升能力在设计的时间内达到90万t/a，实现了从工作面到地面皮带一体化运输。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。