煤矿开采则维持到了1991年。
为该区今后的地质勘探和煤矿开采提供了依据。
It provided references for geological exploration and coalmine exploitation henceforth.
煤层厚度变化是影响煤矿开采的主要因素之一。
The seam thickness change is one of the main factors effected on coal mining.
在煤矿开采的早期，人们已用金丝雀来检测瓦斯。
Canaries are said to have been used to detect gas in coal mines in the early stages of coal mining.
在地下煤矿开采的地区，大都伴之有地下水排放。
In the exploiting area of underground coal mine, most of them are facing the underground water discharge.
以煤矿开采为主的矿山其地质环境有其固有的特征。
The geological environment of the mining area mainly for the coal mining has its inherent features.
凡是有地下煤矿开采的地区，都伴之有地下水排放。
Wherever underground coalmine is exploited, the ground water discharge is accompanied.
地表移动观测站是获得煤矿开采沉陷参数的重要依据。
The observation station of surface movement is the important basis of acquiring the parameters of coal mining subsidences.
数据上看，煤矿开采的危险性要高于其他类型开采，但差别微乎其微。
Statistically, coal mining remains more dangerous than other kinds of mining, but only slightly.
地下煤矿开采所面对的空间目标具有灰色、动态变化的特征。
The spatial objects oriented in underground coalmine mining have the features of gray and dynamic change.
研究结果为预测煤矿开采环境污染的程度和防治提供了理论依据。
Those results provided scientific basis for forecast and control on coal mine exploitation.
随着煤矿开采深度增加，综放开采回采巷道易发生冲击地压危害。
With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining.
在煤矿开采中，瓦斯灾害一直是威胁煤矿安全生产的主要灾害之一。
Gas disaster is always one of the main disasters to threaten the security of coal mine in the coal exploitation.
随着煤矿开采深度的增加，安全隐患日益突出，安全事故时有发生。
With the increasing of the mining depth, the potential safety hazard is outstanding day by day, the incident happens occasionally.
对煤矿开采、特别是资源枯竭型矿井的储量挖潜具有一定的借鉴意义。
On coal mining, especially in resource-exhausted reserves of tapping the potential of mine has a certain significance.
煤矿开采资料的积累和总结是对煤田地质勘探工作的最好检验和促进。
The accumulation and summary of coal mining geologic information arc the best testing and a promotion to the coal geologic prospecting work.
买家不能确保稳定的供应煤，同时也不不能确定煤矿开采的固定价格。
Spot buyer will not able to secure consistence supply of coal and also cannot secure a fixed price from the mine.
煤矿开采是一种古老的职业，有史以来，就一直被认为是风险极高的职业。
Coal mining is an ancient profession, and has been recognized as wildly risky since the very start.
本文就煤矿开采引发的环境地质问题进行了剖析并提出了相应的防治对策。
After analyzing these environmental geological problems which caused by the exploitation of the coal mine, the authors put forward some prevention and cure countermeasures.
煤矿开采过程中的矿坑排水对地下水流场和地下水资源利用具有强烈影响。
The drainage in a coal mine under exploitation may give a strong impact on the underground water flow regime, causing negative influence on the development of the groundwater resources.
借款的61%大部分用于交通，通信和电力，可能也是为了辅助煤矿开采工作。
Much of the 61% of loans for transport, communications and power may also help mining efforts.
在露天煤矿开采中，近距离的深孔爆破对于邻近单位建筑物会产生震动影响。
During open coal mining, short-distance deep-hole blasting brings tremor to nearby constructions.
随着我国煤矿开采深度的不断增加，指出了目前岩层移动角的确定存在诸多问题。
With mining depth increasing continuously in our country, in condition of mining in the deep-lying, there are many problems in determining displacement Angle of stratum at present.
在阿巴拉契亚的山顶的煤矿开采导致森林许多小片土地的减少，从而像蓝鹂莺这样的鸟类繁殖减少。
Mountaintop coal mining in Appalachia clears patches of forest contributing to the decline of birds like the cerulean warbler that breeds and forests in treetops.
重工业为主的州将会遭受重创，尤其是在那些以烧煤为主的电厂和煤矿开采工密集的地方。
States with lots of heavy industry, and especially those where coal fuels most power plants or provides lots of mining jobs, will suffer most.
经营煤矿开采设备的里泽说，为了应对经济减速，他的公司正在推出针对不同细分市场的机械。
Mr. Rieser, the maker of coal mining equipment, says his company is reacting to the slowdown by introducing machines for different segments of the market.
这次微震群属于冲击地压型矿震，与煤矿开采及回采工程活动有关，属于偶发的局部应力释放。
The event is ore earthquake of rock burst type related to coal mine exploitation and mining activity, the micro-earthquake swarms belong to occasional local stress releasing.
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。
The aim is to end a coal-digging free-for-all that is blamed for a blighted environment and hundreds of deaths every year.
煤矿开采是对土地资源破坏的主要部分之一，不仅使耕地面积减少，而且造成矿区环境的破坏。
Mining coal is one of primary factors to damage land resources, it not only decreases cultivated area, but also causes environment of mine destruction.
煤矿开采是对土地资源破坏的主要部分之一，不仅使耕地面积减少，而且造成矿区环境的破坏。
Mining coal is one of primary factors to damage land resources, it not only decreases cultivated area, but also causes environment of mine destruction.
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