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- How to use simulated logging curve makes a synthetical contrast of rock and coal seam at complicated stratum and no obvious mark area are introduced. 介绍地层变化复杂,无明显对比标志地区如何利用模拟测井曲线进行岩、煤层综合对比。
- Making a synthetical contrast of rock and coal seam with simulated logging curve at complicated area 利用模拟测井曲线在复杂地区的岩、煤层综合对比
- rock and coal seam 岩煤层
- The rock mass structure can be expressed by rock stratum effect thickness influence coefficient. It is more scientific then using roof rock and sand content in the study of coal seam gas preservation. 研究表明,煤层围岩岩体结构控制了煤层瓦斯的赋存,岩体结构可用岩层效应厚度影响系数来表示,应用这一参数研究煤层瓦斯赋存比用煤层顶板岩性及含砂率更科学。
- Th e paper discusses igneous rock lithological features,spatial distributive charact ers and its influence on coal seam and coal quality of Huanghebei coalfield,Sha ndong Province. 论述了山东省黄河北煤田岩浆岩特性特征、空间分布特点及其对煤层煤质的影响。
- Research has been in progress round the technology difficult problem that mines in the thick coal seam of extremely soft rock and easy self-ignition of TieFa coal industry group by this thesis.1. 本论文围绕铁法煤业集团小康矿极软岩层、易自燃厚煤层开采的技术难题进行了研究。
- Research has been in progress round the technology difficult problem that mines in the thick coal seam of extremely soft rock and easy self-ignition of TieFa coal industry group by this thesis. 本论文围绕铁法煤业集团小康矿极软岩层、易自燃厚煤层开采的技术难题进行了研究。
- On the basis of hitches and coal texture characteristics developed in No. 3 coal seam, the author divided the minefield into 4 structural subregions. 根据3号煤层的小断层发育特征和煤体结构特征,将整个井田分为4个构造分区。
- Its main mineable coal seam belongs to very thick coal seam.The coal seam texture and coal rank configuration are generally very complex. 主采煤层属巨厚煤层,其煤层结构和煤种结构一般都很复杂,按不同煤种进行分层开采,有利于煤炭资源合理利用。
- rock and coal seams 岩煤层
- From analyses of rock and coal composition, texture, structure and fossil character, revealed that in the minefield has paleochannel passed through. 通过对岩煤层成分、结构、构造及所含化石特征分析,揭示出井田内发育有古河流地质构造。
- The results show that this method improves the resolving power of magnetic rock and coal boundary, and outlines the area of magnetic rock intrusion. 这里根据崔庄煤矿三采区的地震资料，综合利用地震反演技术和谱分解技术等岩性解释方法，来确定岩浆岩侵入谋层的范围。
- She is crazy about rock and roll. 她喜欢摇滚乐。
- I'm going to a rock and roll concert tonight. 我今晚正要去参加摇滚音乐会。
- Up to 2007 the company owes more than twenty mining rights, which cover over ten resource such as iron, copper, lead, zinc, manganese, nickel, tungsten, stannum, gold, silver, molybdenum, zirconium, titanium, coal and coal seam gas. 截至2007年初公司拥有矿业权数20余个，涉及铁、铜、铅、锌、锰、镍、钨、锡、金、银、钼、锆、钛、煤、煤层气等十几个矿种。
- The ship struck on a rock and sank. 船触礁沉没。
- According to the study on athrogene grouth state,Chengzihe growp middle and down section are divided into subsection,which is reference for stratum judgement and coal seam comparison in later geology exploration. 通过对火山碎屑岩发育情况的研究，重新对城子河组中下段划分亚段，为后期勘探时地质判层及煤层对比作参考。
- Abstract : As cement, authigenic mineral or vein, dawsonite is found not only in marine dolomite and oil shale, but also in terrigenous fragmentary rock and coal measures. 摘要 ： 片钠铝石作为胶结物、自生矿物或脉体，不仅分布在海相白云岩、油页岩中，而且还广泛分布在陆源碎屑岩及煤系地层中。
- The country is rich in oil and coal. 这个国家石油和煤的资源丰富。
- The yacht hit a rock and damaged her bows. 游艇碰上了礁石，撞坏了船头。
