开采

The model is used to analyze the displacement and deformation of the roof while the entry of the hanging wall is being driven after the coal seam of the footwall has been exploited.

通过相似材料模拟试验，建立平面应力模型，分析研究断层下盘煤层开采后，在其上盘煤层中开掘巷道，巷道顶板的位移和巷道变形特征。

The vertical and parallel relations of the trench with drill drift are summarized by the bottom structure disposal design on inclined orebody footwall.

通过对倾斜矿体下盘底部结构的设计，总结了堑沟与凿岩巷道在垂直与平行位置关系，经比较和验算后合理设计底部结构，减少了开采损失贫化。

Because the gold in the California gravel beds was so richly concentrated, the early forty-niners simply panned for gold in California's rivers and streams, a form of placer mining.

加州的砾石床中聚集有大量的黄金，早期的四十九矿工仅用砂金开采方式之一——淘金盘就能将加利福尼亚各条河溪中的黄金筛选出来。

The aim is to end a coal-digging free-for-all that is blamed for a blighted environment and hundreds of deaths every year.

这一举措的目的是结束煤矿开采的混乱无序，这被谴责是造成环境毁坏和每年数百人伤亡原因。

Uranium in the aquatic environment : proceedings of the International Conference Uranium Mining and Hydrogeology III and the International Mine Water Association Symposium, Freiberg, Germany, 15-21 September 2002 / Broder J.

水生环境中的铀：第3届国际铀矿开采和水文地质学国际会议及矿坑水协会讨论会会议录。

About 21 percent of the world's nuclear reactors are now fueled by uranium mined using this method.

约21%的核反应堆正在开采的铀燃料的使用这种方法。

According to the Guinness Book of World Records,it is the steepest funicular railway in the world,with an incline of 52 degrees over a distance of 1361ft(415m).

According向吉尼斯页岩油开采电车的一部分世界纪录，是世界上最陡的登山铁路，为52度以上的一三六一英尺距离倾斜。

Visitors can travel on the Miners' Tramway or descend into the Deep Mine, via a funicular railway which uses an old incline, to explore this former slate mine and learn how slate was extracted and processed and about the lives of the miners.

游客可以乘坐火车在矿工轨道（Miners' Tramway）上游览，也可以乘坐索道车通过古老的货运斜坡，缓缓下到Deep矿井深处，探索曾经的板岩矿井，了解板岩是如何被开采和加工，并了解矿工们的生活。

At last ,taking Kash as an example ,it evaluates this areas Groundwater Resources ,and give out three predicting projects by making use of visual FEM mesh generation software and the numerical solution of Galerkin FEM equations for multiaquifers .

最后以喀什噶尔地下水资源评价工作为例，利用可视化有限元自动剖分软件，以及伽辽金有限元数值解法进行了该地区的地下水资源评价，进行了多种开采方案的预测和对比工作。

This paper discusses the newest study directions and achievements of hydrocarbon -water phase behavior from experiment facilities to study mechanisms, and presents some results achieved on gas condensate reservoir phase analysis with gaseous stratigraphic water, so that the petroleum engineers can use them to guide the oil and gas fields development.

从实验设备、研究机理和理论发展方向对国内外学者的最新研究动向和研究成果进行了分析，并在此基础上介绍了因此所开展的有关考虑气态地层水影响的凝析气藏烃类相态分析的一些研究工作，以期供今后的研究借鉴，指导气藏和凝析气藏的开发和开采。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。