尽管价格高企削弱了需求，但在另一方面，矿商、石油企业和农场主难以增加供应以解决市场的紧张。
While high prices are denting demand, miners, oil companies and farmers are struggling to boost supply enough to resolve the tightness in the market.
而另一方面，加拿大是一个有着严格环境法律的国家，要求石油公司在采完矿后要恢复地面原貌。
On the other hand, Canada is a country with strict environmental laws that require companies to restore land after mining is complete.
此项技术在灵新矿得到成功应用，可在类似条件工作面推广。
Successful application of this technology shows its feasibility in similar working faces.
文章通过对某工作面的分析，尝试性地解释了矿压对工作面煤与瓦斯突出的部分机理，并提出几点防治建议。
Based on analysis of working face, we attempt to explain the mechanism of pressure on mine gas outburst face some, and suggest some prevention and cure Suggestions.
一方面，人们将继续采用新的实验技术去了解地层、构造等因素的控矿机理。
On one hand, new experimental technologies are used continuously to explore the metallogenic mechanism of stratigraphy, structure etc.
空场回采工作面利用采场上方的岩层支撑自身的重量，所以采场被切割成一系列的由矿壁分隔或用矿柱支撑的峒室。
In open stopes the ground above the stope will support its own weight. So the stope is shaped like a series of rooms divided by walls or supported by pillars of ore.
介绍了济宁二号矿复杂地质条件下综放工作面过断层技术，掘进和回采对断层的处理方法及回采工作面制定过断层方案的步骤。
The technology of crossing over fault, drifting and actual mining method and plan of crossing over fault at combined mining face under complex geology conditions in Jining no.
结合某矿采煤工作面实际情况，阐述了大倾角薄煤层工作面的关键技术处理措施，保证了煤下滑不窜入采空区。
Combining with the actual situation in coal face, expound the key technology for large inclined Angle thin seam face so as to assure that slided coal can't come in goaf.
通过对现场观测和数值模拟分析，系统研究了断裂结构面对回采工作面矿压分布和顶板稳定性的影响。
By using field observation and numerical simulation method, the influence of fracture structure plane on the underground pressure and the roof stability of working face are systematically studied.
一方面，人们将继续采用新的实验技术去了解地层、构造等因素的控矿机理。
On the one hand, new experimental technologies are used continuously to explore the metallogenic mechanism of stratigraphy, structure etc.
在相互挤压的破断板块系统中，2 ~3个关键板块对工作面矿压显现有决定影响。
The 2 ~ 3 key plates have important influence on the ground behaviour of face in system of reciprocal extrusion fracture plates.
对具有强冲击危险工作面进行的研究表明，电磁辐射完全可以预测煤矿冲击矿压危险，检验卸压爆破效果，而且准确率高，效果明显。
According to the study of the working face with a strong probability of rock burst, the EME can be used to forecast the rock burst and to check the effect of unloading blasting in coal mine.
根据现场观测数据，对深部开采条件下工作面采动压力和冲击矿压倾向进行了研究。
According to the field observation data, mining pressure and rock burst tendency in deep mining condition are studied.
据此原理，实测得到了平煤集团十三矿12010大倾角综放开采工作面走向支承压力和区段煤柱侧向支承压力分布。
Accordingly, the distribution of abutment pressure on the block coal pillar is measured at working face with a steeply inclined seam of the12010 face, NO.
依据浅埋煤层矿压显现特征，给出浅埋煤层长壁开采工作面支架合理工作阻力及安全界限的确定方法。
Base on the weighing feature of the shallow coal bed, the specifying method of the support working resistance and safety margin is presented in the shallow coal bed.
提出主关键层来压的新概念，指出回采工作面矿压显现程度主要受主关键层破断的影响。
The idea of key stratum pressure is put forward, and the ground pressure is mainly influenced by the breakage of key stratum.
提出主关键层来压的新概念，指出回采工作面矿压显现程度主要受主关键层破断的影响。
The idea of key stratum pressure is put forward, and the ground pressure is mainly influenced by the breakage of key.
详细介绍了EBZ-160型智能化掘锚一体机在漳村矿2304工作面运巷进行工业性试验的情况。
This paper introduced the industrialness experiment of EBZ-160 intellectualized driving and anchor machine in Zhangcun Coal Mine 2304 face.
并以大柳塔矿1203和20601两个工作面为例，论述了该方法的可行性及不同防治方案的比较。
It also took Da Liuta mine 1203 and 20601 two face for examples, discussed feasibility of the method and contrast of different controlling schemes.
层间滑动破碎带、岩体接触面和断裂构造是主要的含矿构造，它控制了矿体的形态和产状。
The main ore-bearing structure are the interlayer-gliding fracture zone, contact area of rock mass and fracture structure, which controlled the shape and the occurrence of orebody.
总结了近距离煤层开采工作面不同于一般煤层开采面的矿压特征，介绍了根据特殊地质条件开发新支护设备的技术思路及其结构特点。
The special strata in the faces at close-distance seams are concluded, the technical scheme and characteristics of new-type support equipment used under special geological conditions are introduced.
在对孤岛综放工作面的发火原因分析的基础上，提出了孤岛综放工作面掘进综合防灭火技术，并将综合防灭火技术成功应用于运河矿1302孤岛面掘进中。
On the basis of spontaneous combustion theoretical analysis, excavation technology of mine fire control are put forward and were applied to extinguish the fire on 1302 face of Yunhe Mine.
面状强硅化岩对盘古山钨矿床的深部隐伏花岗岩体预测和深部找矿评价具有指示意义。
The strong silicified rocks have an important significance for forecast of concealed granite and exploratory of wolframite-bearing quartz in deep part of Pengushan deposit.
还给出了单个矿化富集中心趋势面分析的数学模型和矿床空间分布模型。
It associates quantitatively the mathematical model of enriched mineralization centre with ore-controlling geological factors.
从而说明，在干旱荒漠地区进行水系沉积物测量，快速扫面，是普查找矿远景行之有效的方法之一。
All of these indicate that in the arid desert area the drainage system sediment survey, as a rapid reconnaissance for a big area, is the one of more effective methods for uranium prospecting.
通过现场实测，得出了对浅埋煤层高产高效工作面顶板来压特征和不同推进速度的矿压显现规律。
The field investigations show that ground pressure of coal face with high productivity depends on face advance rate.
人工出矿或装岩机出矿方式，各出矿穿必须均匀出矿，保证采场工作面平整。
As for ore drawn by hand or rock loader, the ore drawing quantity of each chute shall be kept uniform to ensure the flatness of working face of stope.
人工出矿或装岩机出矿方式，各出矿穿必须均匀出矿，保证采场工作面平整。
As for ore drawn by hand or rock loader, the ore drawing quantity of each chute shall be kept uniform to ensure the flatness of working face of stope.
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