The mining of shallow coal bed in Shenfu Mine is seriously threatened by suffosion hazard of coal shaft.
神府矿区浅部煤层开采受到矿井溃砂的严重威胁。
The occurrence characteristics of shallow coal seams have the direct influence on the layout of the fully mechanized coal faces and the mining work.
浅部煤层的赋存特征直接影响着综采面布设和开采。
Base on the weighing feature of the shallow coal bed, the specifying method of the support working resistance and safety margin is presented in the shallow coal bed.
依据浅埋煤层矿压显现特征，给出浅埋煤层长壁开采工作面支架合理工作阻力及安全界限的确定方法。
Based on the key strata theory of the ground control and analyzing the condition of geology and mine in the shallow coal seam, the characteristic parameters of the key strata are educed.
基于岩层控制关键层理论，在分析浅埋煤层地质采矿等条件下，得出了浅埋煤层关键层的特征参数。
The reasonable definitional feature of shallow coal seam is analyzed base on the overlying strata's composition, the activity law long-wall mining'soverlying layers and the depth of coal seam.
以煤层上覆岩层组成、长壁回采工作面覆岩活动规律、煤层埋藏深度作为浅埋煤层开采界定指标，论证了指标合理取值。
Thanks to shallow and abundant coal reserves, South Africa's coal industry includes a multitude of small companies desperately looking for access to export markets.
由于南非的煤炭资源埋藏浅而且储量丰富，南非的煤炭工业包括大量小公司，它们拼命地寻找途径来出口其煤炭。
The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine, such as shallow buried depth, thin bed rock and thick aeolian sand.
大采高液压支架是针对上湾矿煤层浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
Along with study of magmatic rocks, the au-thors propose that coal metamorphism in coalfield resulted from shallow magmatic thermal metamorphism with high temperature in a short time.
在此基础上，结合岩浆岩研究，指出抚顺煤田煤变质为一种具有浅成、高温、作用时间较短的岩浆热变质作用的产物。
The Inner Mongolia Autonomous Region is rich in coal, and famous for its splendid reserve, expensive distribution, shallow embedding and easy exploitation.
内蒙古自治区煤炭资源丰富，具有储量大、分布广、埋藏浅、易开采的特点。
The hydrocarbon generating assemblage can be divided into two types of cannel boghead deep lake mudstone and humic coal cannel coal shallow lake mudstone in this basin.
生烃组合分为烛藻煤深湖相泥岩和腐殖煤烛煤浅湖相泥岩两种类型。
Along with study of magmatic rocks, the au-thors propose that coal metamorphism in coalfield resulted from shallow magmatic thermal metamorphism...
在此基础上，结合岩浆岩研究，指出抚顺煤田煤变质为一种具有浅成、高温、作用时间较短的岩浆热变质作用的产物。
For its powerful functions, the system can be widely applied to geological exploration, coal field well logging, shallow oil-well exploration, engineering geological exploration and so on.
该系统以其强大的功能，可广泛用于地质勘探、煤田测井、浅井石油勘探、工程地质勘探等各个领域。
Along with study of magmatic rocks, the au-thors propose that coal metamorphism in coalfield resulted from shallow magmatic thermal metamorphism with high tempera...
在此基础上，结合岩浆岩研究，指出抚顺煤田煤变质为一种具有浅成、高温、作用时间较短的岩浆热变质作用的产物。
Along with study of magmatic rocks, the au-thors propose that coal metamorphism in coalfield resulted from shallow magmatic thermal metamorphism with hight...
在此基础上，结合岩浆岩研究，指出抚顺煤田煤变质为一种具有浅成、高温、作用时间较短的岩浆热变质作用的产物。
Petroleum was formed at a later time than coal from plant and animals that lived in shallow seas.
石油由植物和生长在浅海的动物形成，其形成时间比煤晚。
The successful development of this drilling machine provided reliable safety equipment for drilling shallow engineering hole such as outburst-prevention holes and flank holes in coal mine.
钻机的研制成功为煤矿实施防突孔和校检孔等一些浅孔施工提供了可靠的安全装备。
It is reported that the mining area rich in coal resources, coal mining can be thick, buried shallow dip small coal occurrence stability, abundant reserves, suitable for large-scale open-pit mining.
据介绍，这一矿区煤炭资源丰富，可采煤层厚、埋藏浅、倾角小、煤层赋存稳定、储量丰富，适于大型露天开采。
It is used when mineral deposits are under a shallow, easily removed overburden, and when the vain of ore or seam of coal runs more or less horizontal to the surface.
它适用于矿床埋藏较浅，覆盖层容易剥离，矿脉(煤层)走向与地表大致平行的矿床。
There are reference value for safely mining of coalbed in shallow part of Double-Huai (Huainan and Huaibei) coal-fields.
对两淮煤田浅部煤层的安全开采具有参考价值。
The most favourable depositional environment for coal accumulation is the seashore plain formed by regression and the delta plain formed by the entering of rivers into the shallow bay.
聚煤最有利的沉积环境是海退形成的滨海平原和河流注入浅水海湾形成的三角洲平原。
The gas hydrate is a new type of hydrate characterized by relatively shallow buried depth, thin permafrost zones, complex gas components, and coal-bed methane origin.
该天然气水合物具有埋深浅、冻土层薄、气体组分复杂、以煤层气为主等主要特征，表明是一种新类型的水合物。
It has important theoretical application for the reclamation and safe mining in shallow resources of similar coal mines.
对类似矿井浅部资源的回收与安全开采具有理论意义和应用价值。
It has important theoretical application for the reclamation and safe mining in shallow resources of similar coal mines.
对类似矿井浅部资源的回收与安全开采具有理论意义和应用价值。
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