采矿

He also pointed out that the significance of mod...

同时还指出，对采矿科学技术现代化的意义，应提高认识。

Improvement of restraining condition of explosive makes employment of low cost explosive possible , and correspondently mining cost is greatly reduced .

由于装药约束条件的改善，可采用普通低成本炸药，从而大大降低采矿成本。

Geophysical techniques have been applied at Century since the discovery to help define the limits of mineralisation, map lithologic boundaries and structure, provide data for ore reserve estimates and mine planning, and to aid ongoing exploration in the area.

矿床被发现以来，物探技术就应用於帮助确定矿化范围，不同岩性边界和构造的圈定，提供矿石储量的计算和采矿计画的资料以及该区下一步勘探工作帮助。

Geophysical techniques have been applied at Century since the discovery to help define the limits of mineralisation ,map lithologic boundaries and structure,provide data for ore reserve estimates and mine planning,and to aid ongoing exploration in the area.

矿床被发现以来，物探技术就应用于帮助确定矿化范围，不同岩性边界和构造的圈定，提供矿石储量的计算和采矿计划的资料以及该区下一步勘探工作帮助。

Subsequently, Air Marshall Perence Shiri—formerly commander of the North Korean-trained Fifth Brigade, used by the Mugabe government to crush so-called Ndebele dissidents in the west of the country in the early 1980s—became involved in mining at Marange.

随后，空军上将普兰斯什里—之前是在北韩受训的第五旅的司令，该旅是穆加贝政府于上世纪80年代初期为粉碎国家西部所谓的恩德比利分裂组织—也参与马兰吉地区的采矿活动。

Our tabulations suggest that concentrate stocks in China increased by 300,000-350,000tzinc during 2007 Q4 and 2008 Q1, partly as a result of February's smelter cutbacks, but also as a result ofminers being reluctant to sell concentrate after prices moved sharply lower in November.

我们的先救显示中国的精矿库存在2007年第四季度到2008年第一季度增加了300，000-350，000吨，部分原因是2月冶炼厂进行减产，另外一个原因是11月锌价大幅下跌后，采矿商不愿意出受手中的精锌矿。

This policy was evidenced by several homestead acts which conveyed large portions of land to farmers and ranchers. The most important survivor from this period is the Mining Law of 1872, 30 U.S.C.A. 22 et seq

这种政策在一些将大量地转交给农户和牧场主的宅地法案中体现得很明显，这一时期保留的最重要的法律是《1872年采矿法》[《美国法典诠住》第30编第22条及以下]。

From the result,the stress status evaluation based on geology dynamic division has important significance for the design and implementation of coal mining engineering. geology dynamic division ; geotectonic model ; stress status

本文对荆各庄井田岩体应力状态进行分析，并将结果应用于矿井巷道失稳分析和支护设计、矿山压力预测、沉陷预测等采矿工程的相关问题。1基于地质动力区划的岩体应力分析建立区域地质构造模型、岩性分布模型，根据已知点提供的地应力数据作为边界及加载条件，进行相应的理论或数值分析，是进行区域岩体应力状态

This article is based on the strip mining of steeply dipping seam under villageof 230 mining area in Ge Ting coal mine of ZiBo mining group, in view of the steeply dippingseam mining under the mining geological condition of 230 mining area, we use the limittheory, the A.H.

本文是在淄博矿业集团葛亭煤矿230采区村庄下大倾角煤层条带开采实践基础上，针对230采区大倾角煤层开采的采矿地质条件，利用极限理论和A.H。

"Expanding our mining operations into Section II represents a mission-critical milestone for our Company and one that we have worked very hard over the past six months to achieve," stated Alexander Walker III, President and Chief Executive Officer of America West Resources.

&扩展我们采矿作业到第二节的一个关键里程碑，我们的公司之一，我们非常努力地工作，在过去6个月内实现，说：&亚历山大沃克三，该公司总裁兼首席执行官的美国西部资源。

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。