coalface

Many of the best ideas come from doctors at the coalface.

许多最好的意见都来自临床医师。

The structure is compact ,and the water pump covers small area.It accord with the need of the coalface.

该喷雾泵结构紧凑，占地面积小，符合采煤工作面的要求。

The gas transport process in tunnel and the cause of gas accumulation at the upper corner of coalface are described.

论述了煤层巷道及工作面上隅角瓦斯运移过程及其局部区域和上隅角形成瓦斯积聚的原因;

Aimed at the shortcomings of coalface passing through fault as low speed, low efficiency and low-quality coal and so on, a new technique was suggested.

摘要针对采煤工作面过断层速度慢、效率低且影响煤质等缺点，提出工作面快速无矸石过断层清洁开采技术。

Therefore, the location of terminal line of the coalface should be put at the place where main roof periodic weighting process has already done.

因此，工作面终采线的位置，应尽可能确定在老顶岩层周期来压完成之后。

These conclusions are confirmed by 1203 coalface in which water inrush occur but sand inrush not occur when mining in Shen-Fu mining area in shaanxi.

大柳塔1203工作面开采只发生了涌水而未溃沙，这和理论计算的结论基本一致。

The distribution of induced stress around coalface and tunnels is researched by the measurement of induced stress and numeric value simulation.

然后通过次生应力测量及数值模拟等手段,确定采场及巷道周围次生应力的分布情况。

The mechanical model of key strata supported by coal pillar is set up according to the layout of coal pillars in the coalface of short wall mining.

根据短壁开采条件下保护煤柱的布设特点,建立由保护煤柱支承的关键层力学分析模型。

The structure of the water pump is compact ,and the water pump covers small area.It accord with the need of the coalface.

该喷雾泵结构紧凑，占地面积小，符合采煤工作面的要求。

Visitors can dress up in jumpsuits and hard hats and descend in a creaking elevator to the coalface 300 metres below the surface.

参观人员穿上工作服和安全帽，乘坐吱嘎直响的升降梯下降到地面300米以下的产煤面。

Gas explosion accidents on the coalface of mines are studied,using minimal cut set,minimal radius set and structural importance.

应用事故树分析中的最小割集、最小径集和结构重要度,对矿井采煤工作面瓦斯爆炸事故进行了研究。

The length of the first coalface in a mining-district controls the distances of first weighting and periodic weighting of the main roof.

在采区范围内首采工作面的长度控制着老顶的初次来压步距和周期来压步距。

Far from being irritated by this, I sense that perhaps Rosicky is just happy not to have been thrown immediately back to the coalface.

它不仅不对受伤感到恼怒，相反我觉得他可能很高兴不用立即被扔到球场上去。

Based on some typical examples of gas explosions on the coalface,the basic events resulting in gas explosions are generalized and a fault tree is drawn.

根据矿井采煤面瓦斯爆炸的一些典型事例,概括出导致瓦斯爆炸的基本事件,编制了采煤工作面瓦斯爆炸事故树。

Aimed at the difficulties of traditional techniques for gob-side entry retaining in S2-6 fully-mechanized coalface with top-coal caving (GEFCTC), the new technique of road-in packing is put forward.

摘要针对常村煤矿S2-6综放工作面采用传统技术沿空留巷的难点，提出综放巷内充填原位沿空留巷新技术。

It has been proved by the field experiment that the method of rotary radial jet discharging gas accumulating in upper corner of coalface is really safety, dependable, economical and validly.

试验表明，旋转径向射流可安全、可靠、经济、有效的排放上隅角积聚瓦斯。

Through analyzing Principal Component Analysis(PCA) and Gene Expression Programming(GEP),a novel GEP Algorithm based on PCA is proposed and applied to predict the amount of gas emitted from coalface.

在研究主成分分析和基因表达式程序设计的基础上,提出一种基于主成分分析的基因表达式程序设计新算法,并将其用于采煤工作面瓦斯涌出量的预测。

The results of industrial test and field measurement show that the technique is opened up successfully, which can be applied in similar conditions of fully-mechanized coalface with top-coal caving.

采用合理的实施方案和充填工艺，井下工业性试验达到了预期效果，证明了综放巷内充填原位沿空留巷的可行性，具有推广价值。

The position and state of the main roof above the terminal line of the coalface nearby the rises affect the magnitude of the peak abutment pressure and the difficult extent of the rise maintenance.

上山附近终采线上方老顶岩层的位态影响着煤柱支承压力的大小和上山维护的难易程度。因此,工作面终采线的位置,应尽可能确定在老顶岩层周期来压完成之后。

To solve strata pressure control of shallow coal seam with thick sand and thin bedrock, in-situ observation was carried out in Baoshan mine 6101 fully mechanized coalface, which is the first coalface.

摘要为解决厚砂层薄基岩浅埋煤层矿压控制问题，对宝山煤矿6101综采工作面（首采）进行现场实测。

Keywords soft rock;coalface;abutment pressure;

软岩;采场;支承压力;

complete fully mechanized coalface equipment

采煤综合机组

Effect of shearer'working position to noise on coalface

采煤机工作位置对工作面噪声的影响

Keywords coalface;environment;safety;shearer;working parameter;

采煤工作面;环境;安全;采煤机;工作参数;

Keywords fully mechanized coalface;big power;application;

综采工作面;大功率;应用;

Elastic energy criterion of rock burst in roadway and coalface of mine

矿山井巷和采场冲击地压危险性的弹性能判据

Simulation and Analyses of a Shearer Vibration in the Coalface Advance

采煤机沿工作面推进方向振动的模拟研究

Mathematic model of relation of shearer parameters to noise on coalface

采煤机参数与工作面噪声关系的数学模型

Keywords hard roof;rational coalface length;rock plate;rupture regularity;

坚硬顶板;合理工作面长度;岩板模型;破断规律;

Keywords solid twi-rotary;hydrosphere jet;gas;in upper corner of coalface;

二次实心旋转;水气射流;瓦斯;上隅角;

Keywords unit method;upper corner;fully mechanized coalface;rotary radial-jet;

关键词单元法;上隅角;综采工作面;旋转径向射流;

the other is to dispose the rock waste of driving in entry of coalface.

二是矸石在井下处理。

Keywords system dynamics;fully mechanized coalface;simulation;analysis;

系统动力学;综采工作面;仿真;分析;

Study of Shearer's Working Parameters to Improve Environment and Safety on Coalface

改善工作面环境与安全的采煤机工作参数的研究

Research into Principle and Method on Readjusting High Angle Full-mechanized Coalface to False forward Slant

大倾角煤层综采工作面调伪仰斜原理与方法

Current Situation and Tendency of Development for Fully Mechanized Coalface Scraper Conveyors

综采工作面刮板输送机的现状和发展趋势

Numerical simulating the influence of mining across over main roadway to the main roadway in the bottom of coalface

跨采对影响底板岩巷稳定性的数值分析

Keywords time weighted average concentration;dust concentration of coalpit;coalface;tunnelling place.;

关键词时间加权平均浓度;煤矿粉尘浓度;采面;掘进头;

Keywords high output and effective coalface;coal transport system;bunker capacity;computer simulation;

高产高效工作面;运煤系统;煤仓容量;计算机仿真;

Keywords shearer;design parameter;environment on coalface;noise;mathematic model;

采煤机;设计参数;工作面环境;噪声;数学模型;

Keywords soft bottom and broken roof;coalface;controlling of roof and bottom;mining technology;

软底碎顶;采煤工作面;顶板底板控制;开采技术;

Industry test of gob-side entry retaining with road-in packing on its original position in fully-mechanized coalface with top-coal caving

综放巷内充填原位沿空留巷工业性试验

THE TECHNIQUE OF GOB-SIDE ENTRY RETAINING WITH ENTRY-IN PACKING ON ITS ORIGINAL POSITION IN FULLY-MECHANIZED COALFACE WITH TOP-COAL CAVING

综放巷内充填原位沿空留巷技术

Research on the Technology of complete Sets of Equipment at the Fully-mechanized Coalface with Coal Caving under the Hard Thick Coal Seam

坚硬厚煤层综放工作面设备配套技术研究

Research on two-roadway timbering technology at comprehensive mechanization caving coalface with very soft rock and combustible thick seam

极软岩易自燃厚煤层综放面两巷支护技术的研究

Numerical simulation research of reasonable width of coal pillars in fully mechanized sublevel caving coalface with steep gradient

大倾角综放面合理区段煤柱宽度数值模拟研究

Roof Control Design and Practice of Very Hard Roof in Coalface Instead of Knife and Pillar Mining Method in Mentougou Mine-

门头沟矿坚硬顶板取消刀柱顶板控制设计及实践

It includes two key points as follows, one is to drive a roadway in the fault before the coalface arrives, the roadway is named predriven roadway;

该项技术的关键有二：一是在断层中预掘巷；

According to propagation and acting principle of blasting stress wave, fragmentation mechanism of roof(or top coal) on a slicing coalface by blasting was analysed;

根据爆破应力的传播和作用原理，分析了分层炮采面顶板（顶煤）破碎机理；

Keywords comprehensive mechanization caving coalface,coal pillar entry retaining,numeric simulation,coal pillar width,bolt-mesh support,underground pressure observation;

关键词综放工作面;煤柱留巷;数值模拟;煤柱宽度;锚网支护;矿压观测;