The magma under coal layer bottom does support action.
而煤系地层底部的岩浆侵入体，起了砥柱作用。
The water - inrush possibility during mining depth coal layer is assessed.
评价了肥城煤田深部开采底板突水的可能性。
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。
Therefore, it is necessary to accurately know the position of coal layer and its parameters.
因此，准确地掌握煤层位置和有关参数是十分必要的。
The opening stability in soft weak coal layer is important to the safe production in a mine.
软弱煤层巷道的稳定性对煤矿正常安全生产起着重要作用。
Wennan colliery of Xinwen coal mining Group is an old coalmine and is mining deep coal layer.
汶南煤矿是新汶矿业集团进入深部开采的老矿井。
The widely distributed coal layer adsorbed gas is also an important potential natural gas resource.
分布广泛的煤层吸附气也是重要的潜在天然气资源。
Open Ethan fire hole observation, coal layer surface in a furnace, appear local fire blaze, burning through phenomenon.
开启探火孔观察，炉内料层表面一片火光，出现局部冒火，烧穿现象。
Near the distributary channel, coal layer divarication and pinch-out, with high ash content, and transition to clastic rock.
向河道方向，煤层分叉变薄，灰分高，向碎屑岩过渡。
Conventional methods have inadequate, the technique of high-pressure water jet cutting was applied to release the pressure of coal layer.
传统的防治方法各有不足，将高压水射流割缝技术引用到防治冲击地压当中来，实现了本层煤的解放。
The experiment indicates that the part simulating coal layer was not damaged to some extent, and suggests that less-deep protection layers…
试验表明模拟煤层的部分基本上无破坏，爆破设计应采用欠深预留保护层来保护底部煤层不受抛掷损害作用。
The paper describes in details the geological condition, gas and coal layer, ground stress character as well as the measurement method of ground stress.
本文详细描述了家竹箐隧道的地质条件、煤层瓦斯情况、地应力特征和状态以及地应力的测量方法。
The velocity control of blow air into space between grates and out of coal layer, relations between the angle of slag dischcarge and rest angle are presented.
分析了固定层煤气炉存在的问题，提出了吹风入炉箅气室气流速度控制，吹风气出炭层气流速度控制，煤气炉排渣角与炉渣安息角的关系等论点，并提出了具体的煤气炉改造方法。
Water inrush from the bottom coal layer in mining work faced now is rather serious in Northern China coalfield, which constraints seriously the normal economical benefits.
在我国华北煤矿区，回采工作面煤层底板突水问题相当严重，困扰着煤矿经济效益的正常发挥。
The time to produce damage deformation in surrounding rock and possible loosening area are obtained by analyzing in situ measurement of displacement in soft weak coal layer.
本文通过对软弱煤层巷道进行位移实测及数据分析，得到了西部某矿软弱煤层巷道围岩变形达破坏所需的时间和可能的变形松动区域。
Through analysis of lithologic character and composite structure of roof rock of No. 6 coal layer in Liuqiao Coal Mine, the stability of roof rock in different zones are assessed.
通过对刘桥矿区6煤层顶板岩层的岩性和岩性组合结构的分析，确定了不同区域的稳定性情况。
Coal fire is a dynamic process caused by spontaneous combustion of the coal layer in various directions, accompanied by the sensible thermal field variation both in time and in space.
煤层自燃是一个动态变化的过程，随着自燃向不同方向扩大或缩小，其热场随着燃烧过程而发生空间变化。
Therefore, study on the deformation and breakage law of upper and down floor of coal layer, the character of formation, each fault factor are the key problem for prevention the water inrush.
因此，对煤层顶底板的变形破坏规律、构造特征以及断层各要素的研究都是防治奥灰岩含水层突水的关键问题。
The top beam according to the utility model is propitious to the increase of operation space for worker, and is more suitable for the hydraulic supporting device for thin coal layer exploitation.
本实用新型在保证顶梁强度的前提下有利于工人作业空间的增加，适用于薄煤层开采的液压支护设备。
The gas producer is equipped with adjustable economizer baffle. The coal layer is even and the fuel thickness of the furnace profile is unified so the gasification efficiency is greatly enhanced.
煤气发生炉装有可调分煤器挡板，煤层分布均匀，炉膛断面燃料厚度一致，煤的气化效率大大提高。
They were giant, sometimes 8 feet long , and many of them lived in the swampy pools in which our coal seam, or layer, or formed.
它们体型巨大，有时有8英尺长，其中许多生活在沼泽地里，我们的煤层就是在这里形成的。
This seam of coal reposes on a layer of clay.
这个煤层处于一层黏土岩之上。
China's status as a coal exporter is slipping away, and with it another layer of the country's energy security blanket.
中国作为煤炭出口国的地位正在下降，煤炭是中国国家能源安全的另一层保障。
Remains of Titanoboa cerrejonensis were found in a layer of rock at the cerrejon Coal mine, one of the largest open-pit mines in the world.
Titanoboacerrejonensis(蛇的名字)的遗骸是在cerrejon煤矿- - -世界上最大的露天煤矿之一的岩层中被发现的。
The coal and limestone storage yard must have a bottom impermeabilization system. This system may be constituted by a clay layer, a geomembrane layer, or other impervious material.
煤料和石灰石存放场必须有底部防渗系统。该系统可由粘土层、地质处理用膜层、或其他防渗材料组成。
A thin layer or stratum, as of coal or rock.
薄薄的一层或层面，如煤或岩石的。
The windblown dust from the Loess Plateau, along with a layer of local coal dust, had settled on her shoes.
风带来了黄土高坡的尘土，掺杂着一层当地的煤粉，落在了她的鞋上。
This paper introduces the coal conservation mechanism of the layer coal feeder, discusses its social and economic benefits, and points out its existing problems and improving methods.
文章介绍了分层给煤装置的节煤机理，论证了其带来的社会经济效益，同时也提出了存在的问题和改进的方法。
The activated carbon with high specific surface area for electric double layer capacitor (EDLC) was prepared with blind coal and KOH as raw material and activating reagent respectively.
以云南小发路煤矿产无烟煤为原料，KOH为活化剂制取双电层电容器用高比表面积活性炭电极材料。
There's a thin layer of coal between the two layers of rock.
在这两层岩石之间有一薄层煤。
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