针对陕北干旱缺水的实际，分析了房柱式保水开采的设计原则。
Aiming at the problem of drought and water shortage in north Shaanxi, we analyzed principles for designing room and pillar water-preserved mining method.
将房柱式开采和膏体充填开采的优点相融合，提出了点柱式膏体充填采煤方法。
We propose a new mining method: point-pillar paste filling based on the combined advantages of room-pillar method and backfilling.
通过理论分析和现场实测，对房柱式采煤的矿压显现规律及其特点进行了探讨。
Based on field observations and theoretical analyses, the characteristic of periodic caving of immediate roof and main roof in a room and pillar system was analyzed.
国外高产高效矿井建设是以单一煤层长壁和房柱式综合机械化为主要开采技术。
The main technology to realize high production and high efficiency in abroad is fully mechanized long-wall mining for a single seam or room-and-pillar mining.
以“梁”的理论为依据，确定房柱式采煤法的基本结构煤房和煤柱的参数及计算公式。
On the theory of "beam", the basic structure, parameters and formula for rooms & pillars have been educed.
本文探讨了影响煤柱稳定性的因素，提出了采用锚杆支护加固煤柱减小煤柱尺寸提高房柱式采煤回采率的技术途径。
The factors affecting coal pillar stability are discussed, and the technical way reducing coal pillar size and enhancing recovery ratio is put forward by means of rock bolting.
本文研究对减小煤柱尺寸，提高房柱式采煤回采率具有明显的理论指导意义，对解决我国生产矿区面临的不规则区段煤层开采问题具有实际意义。
These studies have evident theoretical significance to decrease coal pillar size and enhance recovery ratio, and practical importance to solve the problems of irregular seam mining in our country.
地幔柱产生大面积软流圈上涌，沿深断裂形成岩浆房，导致大规模溢流玄武岩裂隙式喷发。
Mantle plumes induced asthenosphere upwelling and development of magma Chambers along deep-sited faults, and thus resulted in fracture eruption of flood basalts on large scale.
地幔柱产生大面积软流圈上涌，沿深断裂形成岩浆房，导致大规模溢流玄武岩裂隙式喷发。
Mantle plumes induced asthenosphere upwelling and development of magma Chambers along deep-sited faults, and thus resulted in fracture eruption of flood basalts on large scale.
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