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- Thickness of coal-bed, depth of imbedding, quantity of resource, gas content, permeability, stress of reservoir and wall rock conditions are defined as the seven indexes in this study. 选取煤层厚度、埋藏深度、资源量、含气量、渗透率、煤储层压力、围岩条件等7项指标作为盆地煤层气地质条件模糊评判的评价指标，构成模糊评价因素集。将其分为好、较好、一般、较差和差5个级别。
- wall rock condition 围岩条件
- The actual project, adopt united Sepports to contrapose the especial soft rock condition, and obtain a good effect are combined. 针对工程中遇到的特殊软岩地质条件,结合斜井的实际施工情况提出联合支护的解决方案,支护效果理想。
- Wall rock is a special medium of underground engineering and its stability affects directly production and safety. 摘要围岩是地下工程类特殊的介质，其稳定性直接影响到生产和安全。
- The paper carefully analyzes bolt supporting system, and measures the parameters of coal wall rock in Fuxin diggings. 本文对锚杆支护理论进行了系统分析，并对阜新矿区煤巷围岩的参数进行了实验测定。
- Secondly, simulation elicits wall rock transmogrification under the different coal pillar and different stress. 其次模拟研究分析了留设煤柱宽度不同时以及地应力大小不一时沿空巷道围岩变形情况，得到了一些认识；
- The results show that both ore body and wall rock have weak or strong rockburst proneness. 结果表明,该矿矿体和围岩均具有发生弱或强烈岩爆的倾向性。
- For many years, because of the bad rock condition and big ground stress, it limited the main opening and the speed of drift driving seriously, directly affect the mining methodically. 多年来,由于金川岩体条件较差,地应力大,严重制约井下主要开拓、采准巷道的掘进速度,直接影响矿山生产有条不紊的进行。
- The main wall rock alterations of the Kangshan goldfield are silication,sericitization,carbonicacidation and pyritization. 康山金矿田围岩蚀变主要为硅化、绢云母化、碳酸盐化及黄铁矿化。
- In flat dip layer, the seam thickness control the stability of the wall rock, the thick-bedded hard rock is stable than the thin-bedded hard rock. 岩层厚度在缓倾斜时对围岩稳定起控制作用，厚层硬岩整体稳定性好于薄层状硬岩。
- The alteration distribution from ore body to wall rock is skarn-high silicification-low silicification-quartzification and carbonatization. 矿体至围岩明显有矽卡岩化-强硅化-弱硅化-石英、碳酸盐化的蚀变分带特征。
- The wall rock alteration characteristics and the relationship between wallrock alteration and the alteration model are set up in the paper. 对花山花岗岩体中金矿的围岩蚀变特征和围岩蚀变与金矿化的关系进行了研究,并建立了蚀变模式。
- The lead-zinc ores can be classified into the hydrothermal vein type and the skarn type with strong wall rock alteration. 纳木错-嘉黎断裂带是以铜、铅、锌为主的多金属成矿带,矽卡岩型矿床是该区带典型矿床类型之一。
- The oecurrence of tourmalinite is the same as that of wall rock,but the obvious feature of the tourmalinite is microlaminated structure. 主要成分为微粒镁电气石，其次有石英、长石，少量粘土矿物、毒砂和黄铁矿。
- So far permeability is referred to rock conditions where a single-phase fluid saturation was considered. 目前讲到的渗透率只涉及只考虑单相流体的饱和的岩石的条件。
- The mag matic water is a component of ore forming hydrothermal water.And the gold mater ial sources stem from the wall rock and the granite. 认为在热液蚀变作用过程中，稀土元素保持惰性，成矿热液与岩浆热液有关，赋矿围岩及矿区花岗岩提供了成矿物质。
- It is concluded that location of foot-wall drawing points are closely related to orebody dip, cut-off grade and ore grade of wall rock. 认为下盘放矿点位置与矿体倾角、放矿截止品位、围岩含矿品位有着密切的关系。
- The actual uncovered rock conditions after the excavation show that a series of the optimal designs are correct. 对晚秋初冬趾板混凝土采取有效的养护保温措施和施工质量控制，减少了混凝土裂缝发生的可能性。
- Burnt rock is come into being coal bed self-ignite and bring wall rock metamorphose and has special engineering geological characteristics. 摘要烧变岩是煤层自燃引起周围围岩变质而形成的，具有特殊的工程地质性质。
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
