您要查找的是不是:
- The scheme of lan construction to safely monitor the gas in coal mine 煤矿井下安全监控系统组网方案探讨
- Experience of the application of CAD in coal mine design. 介绍了CAD在煤矿设计中的应用效果。
- So, EME can be applied to forecast the rock burst in coal mine. 研究表明,电磁辐射基本上随著加载及变形速率的增加而增强;
- The existing mine gas in coal bed occurs mostly in the free state,the adsorption state and the dissolved state. 瓦斯气体在煤储层中的赋存状态主要有游离态、吸附态和溶解态。
- Township enterprises mainly in coal mining. 乡镇企业以开采煤炭为主。
- Gas in coal mine 煤矿瓦斯
- The largest risk in coal mining is the collapse of the mine. 煤矿生产过程中可能出现的最大危险就是巷道崩坍。
- Foul or poisonous gas that sometimes pollutes the air in coal mines. 矿井瓦斯,有毒气体矿井中有时污染空气的恶臭气体或有毒气体
- The application result of CAD in coal mine design is introduced. 介绍了CAD在煤矿设计中的应用效果。
- Research on the Principle and Methods of Danger Assessment of Continuous Danger Source and Their Application in Coal Mine Gas Disaster. 连续危险源危险性评价原理与方法及其在煤矿瓦斯灾害中的应用研究。
- We are well served with gas in this town. 这个城镇煤气供应得很好。
- Briefly expounds the adopting measures and concrete ways of controlling H2S gas in mining 9#coal seam,provides the referential experience for controlling H2S gas in the coal mine. 简述了在开采9%23煤过程中治理H2S气体所采取的措施及具体做法,可为矿井治理H2S气体提供借鉴的经验。
- It has some guidance meanings in coal mine use this technique in the aftertime. 对今后煤矿运用该支护技术提供了指导作用。
- There are several kinds of gas in the air. 空气中有几种气体。
- All units and individuals shall be forbidden to disrupt the order of production and other work in coal mine areas. 禁止任何单位和个人扰乱煤矿矿区的生产秩序和工作秩序。
- Naturally emerging in coal mine gas methane (chemically CO4) as compared with carbon dioxide (chemically CO2) contains a 23 times higher potential relevant for the Greenhouse Effect. 矿井瓦斯中天然形成的甲烷(化学名称CH4)与二氧化碳(化学名称CO2)相比,形成温室效应的潜力高23倍。
- Furthermore,the three-phase foam was successfully used for inerting the gases in the fire zone in Baijigou Coal Mine of Ningxia Coal Industry Group. 应用三相泡沫固氮及惰化特性对宁夏煤业集团白芨沟矿的火区进行了成功惰化;
- The author proposes and analyses technologies for extracting gas in seams with outburst hazards according to practical conditions of Huaibei coal mining area. 本文根据淮北矿区实际,提出并分析研究了淮北矿区突出煤层采掘工作面煤层气抽排技术。
- China is buying coal mining equipment from Poland and drilling for oil and gas in Ethiopia and Nigeria.It has poured hundreds of millions of dollars into Zambia's copper industry. 中国从波兰购买煤矿设备,在埃塞俄比亚、尼日利亚钻取石油和天然气,在赞比亚的铜业投入了大量的资金。
- The relationships between the permeability of the methane gas in coal seam and surface fractal dimension and tortuosity fractal dimension are proposed based on fractal theory and Darcy Law. 基于分形理论和达西定律,研究了孔隙的弯曲分形维数和表面积分形维数与瓦斯渗透率参数之间的关系;