煤田

On the basis of field observation and the information of the tectonic plat analysis, the authors demonstrate the features, geneses, and depositional types of the volcanic event de- posits of Taiyuan Formation in Zhungeer coal field.

在野外观察的基础上，应用薄片分析及沉积环境分析的资料，对内蒙准格尔煤田太原组含煤建造中火山事件沉积的类型、特征及成因进行了初步的论证与探讨。

It's the biggest coalmine in east, central and south China with the title of" Coal bunker of central China" since long before.

已探明各类矿藏57种，其中原煤储量103亿吨，是华东和中南地区最大的煤田，素有&中原煤仓&之称；盐储量2300亿吨，居河南省第一位，是我国第二大井盐产地；铁矿石储量6.6亿吨，占河南省储量的76.3%是全国十大铁矿之一。

The coalfields and coal-mining geological conditions of the main coal-producing countries in the world are illustrated and compared in some detail.

摘要分析了世界主要产煤国家的煤田和煤矿开采地质条件。

The down-the-hole hammer drilling is to use compressed air as circulation medium substituted conventional mud,has solved problems of coalfield sealed fire area exploration high temperature water burst in boreholes,burnt rock loosen and developed fissures,instable and easy to collapse,broke through low drilling efficiency in hard rocks.

潜孔锤钻进是以压缩空气代替传统的泥浆作为循环介质，解决了煤田火区勘察钻孔中高温水爆、烧变岩疏松裂隙发育、不稳定易坍塌的问题、突破了坚硬岩层硬钻探效率低的难题。

Main points are as follows:(1) According to the end - memberanalyze the sort , content and its grading law of clay miner-als and land - source clasts in coal seams , in advance to judge the main direction of trasportion.

该方法用于研究河东煤田煤的聚煤环境，收到了良好效果，证明其不失为传统聚煤环境分析方法的一个有益补充。

New technology to capture gas from coalfields has recently boosted supplies, which could help keep prices down.

最近从煤田获取天然气的新技术应用加大了天然气的供应，这有助于价格的回落。

New technology to capture gas from coalfields has recently boosted supplies, which could help keep prices down.

从煤田开采天然气的新技术大大提高了其供应量，这有助于把天然气的价格维持在一个较低水平。

Among them, there are 5 extraordinarily large coalfields with coal reserve of more than 10 billion tons.

其中100亿吨以上的特大型煤田有5处。

New technology to capture gas from coalfields has recently boosted supplies, which could help keep prices down.

最近，从煤田获取天然气的新技术提高了供应量，有助于降低天然气价格。

New technology to capture gas from coalfields has recently boosted supplies, which could help keep prices down.

从煤田钻探天然气的新技术使得最近的供应走强，天然气价格下跌。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。