开采

And the double integral values which cannot be integrated are found by way of the method of numerical integral and the overlap principle.

地下开采煤层的分布形式多种多样，平面分布形式的煤层仅是曲面分布形式煤层的一种简单情况。

The Mini-Huvicko/Yuzabi Dowser binary hydromech droid is a divining droid whose primary function is to locate and harvest subterranean water sources.

"M-HYD机器人"全称"迷你型胡维柯/尤扎比探水者机器人"。这是一种取水机器人，只会说机器语言，一般用来勘探。其主要功能就是寻找和开采地下水源。

And the new transaction ore patterns establish one after another, which causes the mine enterprise to coruscate vital force. However due to mine enterprises one-sided pursue economic efficiency, the safety management and the environmental protection consciousness desalination, the exploitation technology and equipment correspondingly draggle, safety intendance instrument lag as well as the modality of the management and administration diversification such as the contract, the subcontract, the rents and so on, mining accident continually occur. These accidents caused a huge loss of both life and economy to nation, mine enterprises and multitude who live somewhere about mine, brought ill social influence, and badly restricted the continual development of the national economy and mine enterprise.

然而，全球一体化对我国矿业带来的挑战，以及我国矿山片面追求经济效益、安全管理和环境保护意识的淡化、开采技术和设备的相对落后以及承包、转包、租赁等经营管理形式的多样化，安全监管手段滞后，造成矿难事故频频发生，给国家、矿山企业以及附近的广大人民群众造成了巨大的生命财产和经济损失，产生了不良的社会影响，严重制约了国民经济和矿山企业的可持续发展。

According to the comparison of economic indices, the comprehensive mining technology consisting of dragline stripping technology and semi-continuous technology are preferred.

经济指标的对比表明，露天矿宜采用由拉斗铲无运输倒堆工艺与半连续工艺组成的综合开采工艺，即采场上部剥离采用单斗电铲与自移式破碎机的半连续工艺，中部剥离采用拉斗铲无运输倒堆工艺，下部采煤采用由电铲、卡车、破碎机和地下带式输送机构成的半连续工艺。

Shandong Qingzhou Hongda dredging machine factory in a professional sand mining machinery, river dredging the pond, Salt Lake mining, iron-Shatti from sales of production equipment manufacturers, adjacent to State Road 309 and Jiqinggaosu roads, transportation is very convenient, founded in 1997 , Over the years I plant to its own product quality and integrity of the business philosophy and friends from various circles of love and support, in Shandong Province became the sand mining machinery in the area of one of the more influential enterprises.

山东青州宏达挖沙机制造厂是专业的采沙机械、河道池塘清淤、盐湖开采、铁沙提取设备的生产销售厂家，毗邻309国道和济青高速公路，交通十分便利，始建于1997年，多年来我厂以自身的产品质量，诚信的经营理念以及各界朋友的厚爱与支持，成为了山东省境内采沙机械领域中较有影响的企业之一。

The author has pointed the cons- eguences from extremly exploiting underground water for recent years,and has proposed that if we make reasonably use of the existing sources of the water,it is feasible and necessary to develop dry farming.

作者针对这些特点指出了近几年由于过度开采地下水所出现的后果。进一步提出了"在科学地、合理地利用现有水资源的基础上，走旱地农业之路"的可行性和必要性。

We're not discovering new continents or encountering vast deposits of new minerals, Mr Dryden adds.

我们并不是靠发现了新大陆或者开采出了新的矿物资源，Dryden先生补充道。

When the Empire came into power and seized control of Duro, it began mining operations near the ancient Valley of Royalty.

帝国崛起后控制了杜罗星，开始在古老的"王族山谷"附近开采矿产。

Mining companies received incentives such as 30 years without new taxes and duty-free imports of earth-moving equipment.

给予矿采业的奖励措施包括三十年免征新税与免税进口矿业开采设备等等。

Mining companies received incentives such as 30 years without new taxes duty-free imports of earth-moving equipment.

给予矿采业的奖励措施包括 www 。ddd tt。 com 三十年免征新税与免税进口矿业开采设备等等。

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。