查询词典 coal mining

In the state large-and-middle scale coal enterprise, because the technology mining under flic building is not ripe enough, the coal pressed under the village restricts the coal enterprises development seriously.

在国有大中型煤炭企业中，由于建筑物下开采技术不够成熟，村庄下压煤严重制约着煤炭企业的发展。

ZM Series exploding isolation protable cola eletrical drill used for mining is applicable to coal mine where has explosive gas and coal dust,used to drill holes in half-hard and hard coal bed when digging .

ZM系列矿用隔爆领手持式煤电钻适用于具有镁尘爆炸性气体混合物的煤矿井下，在采掘工作面对中硬和硬煤层钻眼之用。

In a word, the use of the pressure test observation, similar simulations, numerical simulation, theoretical analysis, and other means, analyzed systematic to the behavior of superincumbent strata in mining 45 degree coal seams using horizontal section top-coal caving ,and it is for the 45 degree coal seams safe, high-yielding, and high efficiency production of research is of great significance.

综上所述，本文利用现场实测、相似模拟、数值模拟、理论分析等手段，较系统地对45°煤层水平分段综放开采后的上覆岩层移动破坏规律进行了分析，对于45°煤层安全高产高效生产的研究具有重要的意义。

I urge you to read this supplement, in which we provide a review of exploration and mining opportunities (especially for gold, tantalite, coal, bitumen, lead and zinc), and a summary of the legal and fiscal regimes for mining, plus other general information, including contact details, which we hope will persuade you to shift your search for minerals to Nigeria - an exciting new mining destination.

更为重要的是，尼口利亚经济领域的改革得到了全球的认可，从而大大降低了我们的债务。尼日利亚也因此又成为了一个具有吸引力的投资目的地。也就在我们的透明化和反腐败措施取得进展的同时，尼政府进一步深入经济改革的使命也得到了更多的推行。国际透明化和世界经济论坛以及世界银行的全球竞争力报告，最近都表扬尼日利亚在这些重要领域取得巨大进展。

To solve the tradition technique difficulties of water protection mining in the shallow coal seam with thin bedrocks, based on the analysis of the roof water inrush channel features, from the aspect of mining methods. A new set of roof water protection mining techniques were put forward.

在分析顶板导水通道特征基础上，针对薄基岩浅埋煤层采用传统技术实现保水开采的难点，从开采方法本身采取措施，提出了一套较为系统的薄基岩浅埋煤层保水开采新技术。

Thin bedrocks; shallow coal seam; water protection mining; rapid mining of coalface; supporter resistance; reduce mining height; filling

薄基岩；浅埋；保水开采；工作面快速推进；支护阻力；降低采高；充填

In view of the fact that the products of coal spontaneous combustion could obtain the action process and mechanism for coal spontaneous combustion, twelve pieces of coal samples at different layers and workfaces in six coal minings of Shendong mining area were analyzed by infrared spectrum.

针对煤氧化自燃过程生成的气体产物能够判断煤自燃的反应过程和机理以及在不同温度下生成的标志性气体可以判断煤自燃的严重程度的问题，采用红外光谱实验手段对神东矿区6个煤矿不同层位和不同工作面的12个煤样进行了研究。

In order to study the reasons and preventive measures of dynamic disasters such as shock bump and the destroy of rock mass in mining engineering resulted from the outburst of mash gas and coal during mining,stress-relieving measurement and temperature and confining pressure calibration were made with improved CSIRO cells at 4 measurement points in Datong mining area .

为了研究大同矿区在煤炭开采过程中煤和瓦斯突出形成的冲击地压、采矿工程围岩破坏等动力灾害的形成原因及其防治对策，采用改进型CSIRO空心包体应变计，对大同矿区进行了四个测点的应力解除测量实验以及室内温度标定和围压率定实验。

Special mining engineering includes hydraulic mining technology, three underground mining technology, and underground coal gasification.

特殊开采工程包括水力开采技术、&三下&矿体开采技术、地下气化技术等。

To settle the traditional conflict between aquifer protective mining, and to enhance the coal recovery ratio to the maximum, based on the protection mining technique in longwall coalface with rapid mining.

为解决浅埋煤层保水与采煤这一矛盾，并最大限度的提高煤炭资源回收率，神东矿区上湾煤矿51201大采高长壁综采工作面进行了保水开采工业性试验。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。