Experimental study on ground subsidence laws of room mining;
房式开采地表沉陷规律试验研究
Influence factors of room-and-pillar mining in seam groups under building;
建筑物下煤层群房柱式开采的影响因素
Recently benefits of coal mines become more and more better,many local coal mines begin to reform the original mining method,among those changes,roof fall arose from room-and-pillar mining to fully mechanized mining directlythreaten the safety of production.
由于目前的煤炭效益越来越好,许多原有的地方煤矿开始进行采煤方法的改革,其中在从房柱式开采向综放开采转变过程中出现的顶板垮落现象直接危害到工作面的安全生产,文中通过相似模拟实验对此进行了研究,得出控制顶板垮落动力灾害的关键在阶段煤柱的留设。
Lots of coal mines in neimenggu use the system of room and pillar and exploits only rooms but not pillars.
内蒙古地区很多煤炭生产基地多利用房式开采体系，只采煤房，不采煤柱。
high-face room-and-pillar mining
高工作面房柱式开采
Study on the Damage patterns and Mechanism of Mined-out Area in Mines using Room-and-Pillar Mining Method
房柱法开采矿山采空区失稳模式及机理
Principal Technology Study on Pillor Mining under the System of Room and Pillor Mining;
房柱式开采体系煤柱回收关键技术研究
Study the technique of caving hanging roof in the condition of hard roof of room-and-pillar mining.;
房柱式开采坚硬顶板条件下悬顶放顶技术研究
Study on Disposition Method of Huge Goaf in Room-And-Pillar-Mining in Pingyi Gypsum Colliery;
平邑石膏矿房柱式开采大面积采空区处理方法研究
triple-entry room-and-pillar mining
三进路房柱式采矿法
retreating mining method
后退式开采法(采矿)
Research on Longwall Rigid Separating Pillar Mining Technology of Small Colliery in YSF Field;
榆神府矿区小煤矿长壁布置刚性隔离煤柱房柱式开采研究
Research on Multi-Project Purchasing Mode and Information System in Large-Sized Real Estate Development Enterprise
大型房地产开发企业多项目采购模式及系统设计
multiple opening-and-closing plankton sampler
复式开闭浮生物采样器
advance workings
长壁前进式全面开采法;超前巷道;前进式开采面
open-end method
(采矿) 敞开进路式矿柱回采法
Discussing the Teaching Model on the Building Construction Course;
《房屋建筑学》课程开放式教学模式研究
The Management and Quantization Study of Material Purchasing in Real Estate Developing Enterprise;
房地产开发企业材料采购管理与量化研究
Application of Slice and Room-and-Pillar Mining with Overcut in Mofang Mine
分层开采的切顶房柱法在磨坊矿的应用
Application of Room and Pillar Mining Method in Under-sea Deposit
分矿房矿柱分层充填法在海底开采中的应用
The area in a mine from which the mineral deposit is being or has been removed is stope. This is the productive area of a mine.
井下正在开采或已采完的矿段叫矿房。这是井下的生产区。