Seam thinned

用法例句

Based on the principle that thin coal-seam thickness is basically in linear relationship with its amplitude,this paper,by using 3D seismic data interpretation system,extracted coal seam reflection wave amplitude slice to analyse the colour diagram of planar amplitude generated and delimit the coal seam thinning zone.

本方法根据薄煤层厚度与其振幅基本呈线性关系的原理,利用三维地震资料解释系统提取煤层反射波振幅参数,对生成的彩色平面振幅图进行分析,进而圈定出煤层变薄带的范围。

Experiment on underground coal gasification of the thin coal seam in Ezhuang;

鄂庄薄煤层富氧地下气化模型试验

Application of air bag support in thin coal seam recovery;

气垛支架在薄煤层回采中的应用

Research on ways of high production and high efficiency of thin coal seam;

薄煤层高产高效途径探讨

Research of hydraulic support design and thin seam mining technology;

薄煤层开采技术及液压支架设计研究

Rapid water injection for dust control technology with short boreholes for drilling and blasting coal mining face in thin seam;

薄煤层炮采工作面短孔快速注水防尘技术

Thin Seam Comprehensive Mechanization Mining Technology and Research Equipment

薄煤层综合机械化开采工艺及配套设备的研究

Regarding the extremely thin coal bed coal and the gas prominentpossibility analysis,in formerly practiced was a blank,therefore inthe production process knew and took the degree to be insufficient.

对于极薄煤层煤与瓦斯的突出可能性分析,在以往实践中是个空白,所以在生产过程中认识和重视程度不够。

Through technical analysis on demolition mining engineering for hard thin coal beds in Fujian Province,this paper proposes that if the coal bed coefficient of hardness is different,the researched emphasis is accordingly different.

通过对福建省坚硬薄煤层爆破开采技术研究分析,提出了煤层硬度系数不同,其研究侧重点不同。

Mainly introduced the application of Solidworks software to hydraulic pressure support design in thin coal bed,the hydraulic pressure support which designed using Solidworks software in thin coal bed,had achieved the design goal and the request.

主要介绍了Solidworks软件在薄煤层液压支架设计中的应用,利用Solidworks软件设计的薄煤层液压支架,达到了设计目的和要求,证明在液压支架设计中应用Solidworks软件是可行的。

This paper analyses and experiment on the problem whether the near distance thin coal bed can be exploited by means of uphill low support synthesis mechanization extraction.

针对近距离薄煤层能否进行上行综机开采进行了论证分析及试验,通过现场试验,取得成功,文章对近距离薄煤层上行开采进行了总结。

A tentative study on the thinning of #5 coal seam in Tie 3 and Tie 4 districts

铁三、铁四区5~#煤层变薄原因初探

Crawley midget miner

克劳雷薄煤层采煤机

A Study on the Law of Rock Movement and Soil Variation in Mining of Coal Seams of Thick Loess and Thin Bedrock

厚黄土薄基岩煤层开采岩移及土壤质量变异规律的研究

Mining Technology of Thinner Coal Seam at Yu Jia-liang Coal Company

榆家梁煤矿中厚偏薄煤层的开采技术

Power Supply Plan for Thin-layers in Fully-mechanized Mining

煤矿井下薄煤层综采工作面供电方案

Research on Equipments Coordination for Shearer in Soft Coal Thin Seam with Hard Roof

硬顶软煤薄煤层滚筒采煤机设备配套研究

Application of Coal Plow Made in Xinqiang Coal Mine in Thin Coal Seam

新强煤矿自制刨煤机在薄煤层中的应用管理

On Thin Coal Mining and Application of Plow Coal Technology

我国薄煤层开采及刨煤机采煤技术的应用

Water Prevention and Control Technology of Seam Mining Under Thin Floor Condition

薄层底板条件下煤层开采防治水技术

Research on Development of Interstratified Thin Coal and Rock Layers in Liujia Zone in Fuxin

阜新刘家区薄煤岩互层煤层气开发研究

Analysis on Distribution Features of Thin Seam Zone in Seam and Relationship with Seam Sliding Structures

煤层薄煤带展布特征及其与层滑构造关系分析

Deformation and Permeability Distribution Rule of Overlying Outburst Seam in Exploiting Extra-Thin Protective Seam by Drilling Method and Its Application in Pressure Relief Gas Drainage

极薄保护层钻采上覆突出煤层变形与透气性分布规律及在卸压瓦斯抽采中的应用

On fully-mechanized long-wall face coal mining technology for thin and rather-thin middle-thick coal seam

薄及较薄中厚煤层综合机械化长壁开采研究

Study and Application on Gas Drainage Technology in Ultra Thin Seam of Small Coal Mine in Sichuan

四川小煤矿极薄煤层瓦斯抽采技术研究与应用

Combin gateway and pillar with fully mechanized top cawing mining technology in steep inclined special thick seam

急倾斜较薄特厚煤层巷柱-综采放顶煤开采技术

Plowability of plow mining on thin and soft coal seam with hard roof

坚硬顶板松软薄煤层刨煤机开采可刨性研究

A research and application of automated fully mechanized longwall mining technique for use in low coal seams

薄煤层综采自动化采煤工艺技术研究与应用

Load problems of working mechanism of the shearer in containing pyrites and thin coal seam

含硫化铁结核薄煤层采煤机工作机构载荷问题