查询词典 coal-hole

Gathering of coal, metallurgy, machine-building, chemical industry, many large and medium industrial sector of state-owned enterprises, such as the Group of Western coal, and Taiyuan Iron and Steel Group Company, Taiyuan Heavy Machinery Corporation, and Taiyuan Railway Bureau, China Netcom Corporation Taiyuan, Shanxi power companies, Taiyuan one, two thermal power stations, factories and other state-owned National West machines.

聚集着煤炭、冶金、机械、化工、军工等行业的众多大中型国有企业，如西山煤电集团、太原钢铁集团公司、太原重型机械集团公司、太原铁路分局、中国网通太原公司、山西电力公司、太原第一、第二热电厂、国营晋西机器厂等。

Based on data,aims to set up the mathematical model of the working practice of the cutter gear used on the coal mining machine working in coal layers and the force bearing of the pick-shaped cutter gear.

以试验数据为基础，对采煤机镐形截齿实际工况的煤层和镐形截齿受力建立数学模型；对镐形齿受力进行计算机模拟，且模拟的曲线反映截齿随不同参数的变化。

This paper expounds the significance and present situation of local coal quality management in Shanxi Province,and puts forward a general proposition of local coal quality management in Shanxi Province in the period of Tenth Five-year Plan and main measures for realizing this proposition.

阐述了山西省地方煤炭质管工作的重要性及现状，提出了"十五"期间山西地方煤质工作的总体构想及实现这一构想的主要措

Additionally, some trace elements in coals, which indicate the paleoclimate and the types of bog in coal-forming period, can also show hydrocarbon generating potential of coal, such as Cu which has a strong affinity to organic macromolecule in coals. Cu is a fades element, and may be an indicator element of hydrocarbon generating potential.

其中Cu既是一个有着与煤的大分子物质较强亲和力的元素，又是一个可以显示古气候古成煤沼泽类型的"指相"元素，因而在指示煤的生烃潜力方面可能具有普适性。

The concept of coal system is based on coal geology and the theory of system.

从煤地质学和系统论结合的基础上提出含煤系统的概念。

Minerals found in the region has 31 major categories, representing the province's mineral resources have been found in 23% and found that more than 160 types of mineral point, the proved reserves of 15 kinds of minerals, of which: ilmenite, graphite ore are domestic large mineral reserves of 6,000,000 tons and 4,000,000 tons or more; limestone, gypsum, Glauber's salt, granite and coal and other non-metallic fuel and energy resources in the northwest edge itself, which proved coal reserves of 1.068 billion tons, oil-page rock 248 million tons, 7.73 million tons of Glauber's salt, 1.17 billion tons of limestone, gypsum 140 million tons, due to a low degree of geological exploration, the comprehensive development of a low utilization rate, at present the development and utilization of mineral ores accounted for only 30% of the region, cooperating with the outside great potential for development.

全区已发现矿产9大类31种，约占全省已发现矿产的23%，发现各类矿产点160余处，探明储量的矿种15种，其中：钛铁矿、石墨矿属国内特大型矿产，储量分别为600万吨和400万吨以上；石灰石、石膏、芒硝、花岗岩和煤炭等非金属和能源燃料类资源在西北占居优势，其中煤炭探明储量10.68亿吨、油页岩2.48亿吨、芒硝773万吨、石灰岩11.7亿吨、石膏1.4亿吨，由于地质勘探程度低，综合开发利用率低，目前开发利用的矿种仅占全区矿种的30%，对外合作开发潜力巨大。

The coal spontaneous combustion in the goaf is one of the main coal disasters.

采空区煤炭自燃火灾一直是我国煤矿的主要灾害之一。

In goaf the float coal spontaneous combustion disaster affects seriously the safe production of the coal mine.

采空区浮煤自燃灾害严重影响了煤矿的安全生产。

By synthesizing three amine types inhibitor,we separately put them into top coat and ground coatings measuring with Electrochemical Impedance test and Salt fog test,the conclusion:corrosion inhibiting coal tar-epoxy coatings have more corrosion resistance than coal tar-epoxy coatings.

在环氧煤沥青的底漆和面漆中分别加入自行合成的胺类缓蚀剂R、Y和Z后，采用交流阻抗和盐雾实验等方法测试，结果表明，涂层的耐蚀性能有较大提高，涂层针孔电阻Rfp的值阻提高 2～ 3个数量级，并且涂层的物机性能不受影

It is a new topic that rule of ground movement in steep coal seam mining, the overlying rock of steep coal seam mining have different homogeneousness in horizontal orientation. Its complexity make the research of this kind of problem process is very inadequate.

急倾斜煤层开采地表沉陷移动规律是地表沉陷研究领域中的一个新课题，急倾斜煤层由于开采上覆岩体在水平向的均质性不同，其复杂性更使这类问题的研究极不充分。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷