开采

The construction intrinsically safe mine,high yield and high effective green mining is the mine development direction,this paper proposed the mine entire seal fixed point type well ventilated new mentality now,uses all seals up the pipeline to ventilate the place supplies air to the mine shaft fixed point.

建设本质安全型矿井，高产高效绿色开采是当今矿山发展的方向，文章提出了矿井全封闭定点式通风的新思路：采用全封闭管路向井下定点通风地点供给空气。

The specific capacity obtained from pumping test generally does not r eflect the water abundance of aquifer and so cannot be taken as the basis for the sele ction of the exploited horizon of groundwater.

用抽水试验获得的单位涌水量一般不反映含水层的富水性，不宜依它来选择地下水的开采层位。

The method using the airlift and the self-excited oscillation jet for exploiting deep beach placer has been presented.

提出了一种用气举和自激振荡脉冲射流相结合的方式开采潜水层滨海砂矿的新方法。

Based on the condition of No. 4324 super-wide fully mechanized top-coal caving island face in Xinglongzhuang coal mine of Yanzhou Mining Group, the setting load and working resistance of hydraulic powered support were continuously recorded by means of the self-recording pressure instrument.

基于兖矿集团兴隆庄煤矿4324超长综放孤岛面开采条件，采用圆图压力自计仪，连续记录液压支架的初撑力和工作阻力，分析了综放工作面液压支架支护阻力的循环变化规律，工作面沿倾斜方向上的压力分布特征。

Then with partial least squares regression, neural network , and their integration, semidiurnal forecast model of skylights high water level was created.

将贵州省普定县后寨地下河流域内平山天窗水位变化划分为枯水位、开采－恢复、高水位三个阶段，采用偏最小二乘回归、人工神经网络及两种方法的结合建立了高水位阶段水位半日预测模型。

My company has the best in east China's largest sericite, medical stone and mineral resources, its hundreds of millions of tons of reserves, long-term value of the mining Bai billion.

我公司拥有华东地区最大最好的绢云母、麦饭石矿资源，其储量几亿吨，远期开采价值在佰亿元以上。

Using the technology of injecting FCL-C serous fluid into fracture zone of faults, the water transmissibility of F_(25-1) and F_(east-1) faults can be changed. Using that and other security technology steps, the waterproof coal pillar in faults can be mined safely.

并利用FCL—C浆液，注浆加固断层破碎带技术，改变F_(25—1)和F_(东—1)断层的导水性，并通过采取其它的安全技术措施，实现断层防水煤柱的安全开采。

"In terms of fishing and farming, global warming has meant there are better conditions for the livestock. There are increased cod fisheries which will also have a significant effect on our economy. And because of receding glaciers there are more possibilities for mineral exploration," he says, sitting in shirtsleeves in his modest office in central Nuuk.

"对于捕鱼和畜牧业来说，气候变暖为牲畜的生长创造了更好的条件，目前鳕鱼的产量也逐年增加，这对我们的经济也十分有利，消融的冰川也为我们开采矿物资源带来了更多的便利。"

The experimental results show that 1 the charge density coefficient used in the experiment is suitable; 2 the power of explosion is balanced and fully used; 3 the diameter of broken strip of the long hole standing shot in kaolin mine is about 100~150 mm and the rock bodies in the broken circle are debris; and 4 the diameter of the crack strip is about 700~800 mm.

结果表明：试验采用的装药密集系数的确定较适宜，均衡充分利用了爆炸能；高岭土深孔松动爆破孔的破碎带直径大约在100~150 mm，圈内岩体呈碎屑状，裂隙带直径约在700~800 mm；采用加强松动爆破可解决高岭土机械化开采存在的难题。

This exhibition is a display of recent industrial achievements in Canada, as well as a showplace of our high-tech advances in such areas as aviation, machine tool, electronics, coal mining, power generation equipment, off-shore oil exploration, automobiles, covering all sections of Canadian industry.

这次展会展示的是加拿大近年来工业成果，同时也是反映加拿大工业界搞科技进步的一个窗口。展出的科技成果涉及了各个行业，例如：航空、机床制造、电子、煤矿开采、发电设备、近海石油勘探、汽车等产业。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。