technologic properties of coal是什么意思

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The mining craft of longwall mining method has many characteristics.

长壁采煤法的采煤工艺具有多重特点:顶分层采煤增加了要为下分层填设假顶的工作。

This Paper introduces building situation of high output and high efficiency and remarkable technical financial result from 1992,it makes modernized mining craft and coal production develop to high output and efficiency and high safety and high reliability with new technolog

概括介绍了自 1 992年以来高产高效矿井建设的状况及取得的显著的技术经济效果 ,运用高新技术使现代采煤工艺及煤矿生产向高产高效、高安全及高可靠性方向发

The choice principle of mining craft way is pointed out.

介绍了我国采煤技术的发展状况,对我国井下采煤技术进行了简要的论述,并提出了采煤工艺方式的选择原则。

Multiple optimization method on mining technique of BAO-Yushan coal mine;

宝雨山煤矿采煤工艺的多手段综合优选方法

The paper shows the full mechanized technology is applied and researched in Handan mine area,improved the equipment,optimized the mining technique,gave full play to full mechanized efficienc

介绍了综合机械化采煤技术在邯郸矿区的应用和研究,通过改进设备、优化采煤工艺、充分发挥了综采效能。

This article discussed the practice of technology system on safety and high efficiency from 6 aspects, including: synthetic control of gas, research of mining technique, new technique of supporting with bolts in coal roadways, new technique of geo-exploration, optimizing configuration of resource by adjusting work panels and faces, and building mines with high yield and high effect.

　从瓦斯综合治理、采煤工艺研究、新型煤巷锚杆支护、地质勘探新技术、调整采场布局优化资源配置和建设高产高效矿井等6个方面,论述了建立淮南矿区安全高效技术体系的实践经验,为建成高产、高效的淮南矿区打下了坚实的基础。

Technology design on coal cleaning process by all-HM of Tiedong Coal Preparation Plant;

铁东选煤厂采用全重介选煤工艺设计

Idea on combined coal mining technology with multi coal shearers for longwall coal mining face

长壁工作面多采煤机联合采煤工艺的构想

In this article,simply analyze and summarize complex mining attachment equipments and coal mining technology adopted on the present,introduce several coal mining methods adopted in the national coal mines,further give a theory reference for the national coal mines to choose complex mining equipments and coal mining methods.

对当前煤矿采煤工作面的综采配套设备和采煤工艺进行了初步的分析和总结,概括介绍了我国煤矿生产所采用的几种采煤方法,为我国各煤矿选用综采设备及采煤方法提供了理论参考。

Study and Practice on the Coal Mining Technology of the Rooms & Pillars Mining Mechanization Operated with Continuous Miners;

通过技术论证和经济比较，首次提出了连续采煤机配备履带行走式液压支架和连续采煤机、连续运输系统配备履带行走式液压支架两种房柱式短壁机械化采煤工艺系统。

Idea on combined coal mining technology with multi coal shearers for longwall coal mining face

长壁工作面多采煤机联合采煤工艺的构想

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

Mining Technical Features and Reliability Analysis of the Contiguous Seam;

极近距煤层采煤工艺特点及可靠性分析

Application of π-shaped steel beam of longwall mining technology with big dip

大倾角π型钢梁长壁采煤工艺的应用

Study on Top Coal Caving Technology of Horizontal Section in Steep Seam in Weihuliang;

苇湖梁煤矿急倾斜综采放煤工艺研究

Study on Gateway Top Caving Technology for Steep-inclined Coal Seam

急倾斜煤层巷道放顶煤回采工艺研究

Research on mining technology of combined mining at large inclined angle "three soft" coal seam

“三软”煤层大倾角综采回采工艺研究

The construction craft research of directional note thick liquid water shutoff drill hole in the depletion region

过煤矿采空区定向钻孔施工工艺研究

Increasing Rate of Coal Mining with Improving Coal Caving Technology at Fully Mechanized Face

改进综放工作面放煤工艺提高回采率

Research on the Mining Technology for Fully-mechanized Coal Mining Face in Steep Coal Seam Under Complicated Geological Condition

复杂难采煤层大倾角综采面回采工艺研究

Study on Coal Rock Caving Laws and Technological Parameters of Top-Coal Caving of Fully Mechanized Mining with Great Cutting Height for Thick Coal Seam;

厚煤层大采高综放开采的煤岩冒放规律及放煤工艺参数研究

Practice of "Two Wining and One Caving" Technique on Blasting and Top-coal Caving Working Face

“两采一放”工艺在炮采放顶煤工作面的实践

Optimized Trial on Fully Mechanized Top Coal Caving Mining in High Inclined Seam

大倾角煤层综放开采放煤工艺优化试验

Prevention and Treatment of Coal and Gas Outburst of Thick Coal Seam Mining Technology

防治煤与瓦斯突出厚煤层开采工艺探讨

Application of Full-mechanized Mining and Stowing with Paste in Taiping Colliery

综采膏体充填工艺在太平煤矿的应用

Mining Technique Study of the First Mining Face on Great Dig Angle Coal Bed of Qingshuiying Coal Mine

清水营煤矿大倾角煤层首采工作面开采工艺研究

Extremely Thin Protectors Drilling Picks the Craft in Protector Mining Application

极薄煤层钻采工艺在保护层开采中的应用

Research on Large Mining Height Technique for Thick Coal Seams

厚煤层大采高全厚开采工艺研究与应用