In this paper, the early hydration processes of cement pastes including various contents of coal stone were studied by alternating current impedance spectroscopy.
采用交流阻抗谱方法对掺加不同量煤矸石的水泥浆体的早期水化过程进行了研究。
He could sense the right place to hit so that the rock crust would cleave and reveal the coal, in the same way that a sculptor can sense exactly where to hammer a chisel into a stone.
他可以感觉到正确的敲击位置，这样岩石的外壳就会裂开显出煤矿，正如雕塑家可以精确知道在石头的什么位置而用凿子敲击一样。
Coal deposits, after all, are petrified peat swamps, and peat is made from decaying plants, which leave their imprints in mud and clay as it hardens into shale stone.
毕竟煤炭矿床本身就是石化的泥炭沼泽，而泥炭的成份是腐烂的植物。当粘土泥浆逐渐硬化成页岩石，腐烂的植物则在上面留下了它们的印记。
According to him, the main stages in human evolution are measured by the use and exploration of the Earth's resources by humans: the Stone age, Metal, Coal, Oil, etc.
根据他的说法，人类的进化阶段由人类利用和勘探的地球资源来划分：石器、铁器、煤炭、石油等等。
Prohibition: Scrap iron, coal, timber, stone and hard material are prohibited for our machines.
禁止：禁止将废铁，煤炭，木材，石材等硬质材料放入机器内。
Nelson picked his way along the tunnel, stepping around piles of broken stone and lumps of coal tumbled like black dice across the dusty floor.
Nelson沿着隧道小心前行，绕过成堆的碎石和许多块像黒骰子般滚落到粉尘地上的煤炭。
Carla: in a word, I suppose money. There's a lot to be made from coal and building stone.
卡拉：我想，简而言之就是为了钱。煤和建筑石材，可以卖很多钱。
A substance, such as stone, sand, salt, or coal, that is extracted or obtained from the ground or water and used in economic activities.
矿物一种物质，如石头、沙子、盐或煤，从土地或水中提取或获得，用于经济运行中。
To this day coal is said to be screened in the colliery when it has stone and other impurities removed from it.
据说煤中掺有石子和其它杂质须去掉时，至今仍得把煤在矿上筛过。
The combustion characteristics of stone coal are similar to anthracite coal and worse than anthracite.
石煤的燃烧特性与无烟煤相近，但比无烟煤差。
Main products: turbine, furnace, petroleum machinery, mining equipment, stone dam seepage prevention project construction machinery, type coal etc.
主要产品有：汽轮机、拆炉机、石油机具、石材开采设备、大坝防渗漏工程施工机械、型煤机等。
Take new built mine seam for example, expound the advantages of leaving roadway fashion of concrete coal refuse cinder cement stone wall, and make analysis of technical economic.
以典型的新建煤矿煤层为例，阐述采用水泥煤矸碴胶泥砌筑石墙留巷方式的优点，并进行技术经济分析。
In this paper, radioactive pollution derived from the stone-coal related building materials of our country is analyzed.
对我国与石煤有关的建筑材料的放射性污染状况进行了分析。
Stone coal is a unique vanadium mineral resource in China and its reserve is abundant.
石煤是我国独特的一种矾矿资源，储量极为丰富。
The machines use products out of sand, stone, coal ash, cinder, coal gangue, ore tailings, ceramic, perlite and other industrial wastes processed into a variety of new wall materials.
本机所出产品可采用砂、石、粉煤灰、煤渣、煤矸石、尾矿渣、陶粒、珍珠岩等工业废料加工成各种新型墙体材料。
The thermal insulation material of industrial kiln, with a higher compression strength and a lower thermal conductivity, is made mainly from stone coal cinder.
以石煤渣为主要原料研制的工业窑炉保温材料，具有较高的耐压强度和较低的导热率。
The hazards treatment in Tashan stone coal mine is a Key Item of '2002 Mine Environmental Treatment of The Ministry of Land and Resources.
浙江省塔山石煤矿山自燃地质灾害治理，是国土资源部2002年矿山环境治理工作的重点项目。
The invention provides an additive and a method for extracting vanadium by roasting stone coal ores, and a preparation method thereof.
本发明提供了一种用于石煤矿焙烧提钒的添加剂、制备方法及石煤矿焙烧提钒的方法。
Exposure to asbestos, chemicals, acids, solvents, or coal or stone dust was not associated with a higher risk, the researchers said.
与石棉、化学试剂、酸、有机溶剂、煤以及石灰等接触，并没有显示出更高的患病风险。
In the stone coal layer and the overlying black shale, there is a pyrite layer.
在石煤层或其上部的碳质页岩中含黄铁矿层。
Leaching from coal and coal waste stone can increase PAHs concentration in mine drainage and groundwater. Pollution of PAHs by coal mining should be attached more importance.
矿坑排水、煤矸石淋滤水及地下水中的多环芳烃与煤层及煤矸石的淋滤有关，煤矿开采引起的多环芳烃污染应引起重视。
The vanadium phase and valence state of stone-coal with low carbon in Guizhou province were analyzed by electron probe, and a pressure acid leach experiment was carried out.
利用电子探针分析方法对贵州某地低碳石煤中钒矿物和价态进行了分析，并对该矿石进行了加压酸浸试验研究。
This paper presents the experimental study for the physical-mechanicalchemical behaviour of the mud stone for one open pit coal mine.
本文对某大型露天煤矿一坑道泥岩的物理力学和物理化学特性的试验研究进行了全面的介绍。
The technology experience of passing stone gate actual mining in combined mining thick coal seam and economic benefit in Xinan coal mine are introduced.
介绍了新安煤矿厚煤层综采跨石门回采的技术经验及取得的经济效果。
The characteristics, and current development and utilization of molybdenum ore in the stone coal are described.
对石煤中钼矿的特点、性质，以及开发利用现状进行了介绍。
The results show that the soluble PAHs existed in coal and coal waste stone.
结果表明，该煤矿区的煤及煤矸石中含有多环芳烃；
Coal gas reservoir has different physical properties from sand and shale stone formation, it is difficult for conventional test to get formation parameters.
煤气储层具有与砂泥岩地层不同的储层物性，常规测试很难获取地层参数。
The content and the distributing law of the microelements in lower Paleozoic era stone coal in South Qinling have been systematically studied.
对南秦岭早古生代石煤的微量元素含量、分布规律等进行了详细系统的研究。
Coal-bearing strata in southeast Shanxi consist of carbonate rocks lime-stone, clastic rocks and coal.
石炭-二叠系含煤岩系，由灰岩、碎屑岩和煤共同组成。
Coal-bearing strata in southeast Shanxi consist of carbonate rocks lime-stone, clastic rocks and coal.
石炭-二叠系含煤岩系，由灰岩、碎屑岩和煤共同组成。
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