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开采

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The results show that study on the synergism of mining and goaf treatment in cataclastic ore section can be regarded as a reference for safety and high efficiency mining of similar deposit.

研究结果表明:碎裂矿段开采与空区处理协同研究可为类似矿床的安全高效开采提供参考。

Having made a numerical simulation for remote protective layer mining by the RFPA-GAS system in Huainan mining area, and analyses the distribution law of abutment pressure over the coal seam while mining, the influence of mining on permeability of protected coal seam ,and the destress mechanism for remote protective layer mining by numerical simulation ways in Huainan mining area.

应用含瓦斯煤岩气固耦合模型系统对淮南远距离保护层开采进行了数值模拟,分析了采动过程中煤层上支承压力的分布规律以及采动过程对被保护煤层透气性的影响,用数值模拟方法分析了淮南远距离保护层开采卸压机理。

Because of many structures such as foundering post,faultage and refractionation,it influenced by kinds of stress.So it become soft coal seam mining in deep pit.

井田内陷落柱、断层及褶曲等构造多,开采过程同时受到各种构造应力的影响,为深井高应力复杂条件下的软弱煤层开采

GALP is the Portuguese oil company which last week lost the oil-gas contract with the government of East Timor.

GALP是一间葡萄牙石油公司,上星期没得到与东帝汶政府间的油气开采契约,而是作为奖励被意大利的ENI拿到;总理阿尔卡蒂称此契约为首次开采帝汶海中丰富蕴藏油气的行动。

Starting with the elevation of underground water resources and a safe level of mining through variable system theory, this paper analyzes the conditions of underground water resources based on the well-studied determination method of determining the two hydrographical coefficients: rainfall infiltration replenishment rate and irrigation replenishment rate. Then considering irrigation, rainfall, drainage and other related factors, a mathematical model is set up for the calculation of underground water storage,exploitation on water regulation. After analyzing the adaptability of molepipe drainage, an underground water table regulation is given out.

论文从灌区的地下水资源及其可开采量评价分析方面入手,在对两个主要的水文地质参数即降雨入渗补给系数、灌溉入渗补给系数确定方法研究的基础上,对灌区的地下水资源状况进行分析,依据灌区的灌溉、降雨、排水条件及各种现状因素,建立了地下水资源量计算的数学模型,西安理工大学工程硕士专业学位论文计算得到青铜峡灌区地下水的最大补给量和可开采量;另外对在开发利用地下水资源过程中的地下水位的调控进行了初步的探讨,在银北灌区开展对暗管排水调控地下水位的试验研究。

And then analyze the characteristic of a hypaethral quarry and some ecological and environmental impact brought by opencast working. Such as some familiar pollute source, harms brought by opencast working: botanic reakage, water pollution, edaphic reakage, water and soil loss, biomass reduce.

然后对露天采石场的特点以及开采造成的生态环境影响进行分析,如一些常见的污染源,开采造成的危害:植被破坏、水体污染、土壤破坏、水土流失、生物量减少等。

The characteristics and application of the main mining methods of China's metal mines and their improvement and application prospect are discussed. In view of the existing technical basis and the trend of the demand of China's economical development on metal mines' resource, the future development of mines is prospected. Several feasible concepts are given such as the development orientation of mathematical mine and artificial intelligency, optimization of the hauling system of open pit mining and open...

讨论了我国金属矿山主要采矿方法的特点、应用情况、得到的改进及应用前景,针对现有的技术基础以及我国经济发展对金属矿资源的需求趋势,对未来矿山的发展进行了展望,重点提出了数字矿山、人工智能等发展方向,及进行露天开采运输系统优化和地下开采露天化几种可行性的设想,为我国采矿工作研究者提出了几种新的课题。

Adopted the national standard # 1,# 2 gold production technology and quality certification ISO9001-2000 quality system certification, occupational health certification system; currently Thermal Power Corporation of the United States has produced the fourth generation of ICP plasma spectroscopy detection accuracy representative and up to hundreds of thousands of hours Te Meile, one of the e-equal days of high-tech equipment and advanced management tools; exploitation has reached the depth of 1320 meters, has accumulated some experience in deep mining.

通过了国标1#、2#金锭的生产工艺资质认证和ISO9001-2000质量体系认证、职业健康体系认证;公司目前已拥有美国热电公司生产的第四代ICP等离子光谱检测议和精度达┼万分之一的特梅勒电子天平等高科技设备和先进的管理手段;开采深度已达1320米,积累了一定的深部开采经验。

This paper probes into mining mode of metalliferous deposit based on the viewpoint of industrial ecology, in the hope of improving resources efficiency, eliminating the four big hazard sources which can bring negative environment impact due to mining of metalliferous deposit, avoiding "end-treatment" engineering needed when mine are closed, keeping integrated mine's ecosystem in the process of mining metalliferous deposit.

探讨了基于工业生态学观点的金属矿床开采模式,以期提高资源效率,消除矿床开采对环境造成负面影响的4大危害源,消除矿山闭坑后的末端治理工程,使矿山在生产过程中保持矿区完整生态体系。

The steam and nitrogen push uses steam as the heat source ,extra heavy oil or bitumen has been mobilized by conductive heating and rely on the action of gravity of condensed liquid to recovery heavy oil. Because nitrogen is noncondensible gas and its density is lower, nitrogen rise and accumulates in the top of the reservoir.

蒸汽―氮气辅助重力泄油的开采机理是以蒸汽作为热源加热油层,使高粘度的原油、沥青获得较好的流动性,利用气体和液体由于密度不同而产生的垂向分异作用,靠油的重力开采

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