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- coal bed' s stability 煤层稳定性
- It is a new way of the utilization of coal bed gas. 为井下抽放煤层气的利用提出了一条新的途径。
- Coal Bed Methane Drilling and Completion Technology in Western Basin of U.S. 美国西部盆地煤层气钻井和完井技术。
- Preliminary research on structural law of coal bed beneath nappe in No. 对新集二矿推覆体下煤层构造规律进行了初步研究。
- Graphite deposit of Heye was formed by metamorphism of the Permian coal bed. 荷叶石墨矿是由二叠系煤层变质而成的石墨矿床,石墨与煤呈同层异矿关系。
- The Trustees maintain an operating reserve fund to assure TRF's stability in times of economic downturn, unexpected emergency, or necessary expense. 保管委员会保留了一笔营运准备基金，以确保基金会能在经济不景气、突发紧急状况或因应必要的支出时，能保持稳定。
- Objective:We want to improve the method of terramycin intermediate(pellet)s examination in order to improve the product s stability. 目的:改进土霉素中间体(颗粒)的检验方法,以提高产品质量的稳定性。
- baby elephant 幼象，小象
- For measuring exactly on gas content of coal bed,required high core recov ery and short time to hoisting and loa ding. 为了准确测定煤层含气量,要求取心作业必须有高的收获率和尽可能短的提钻及出筒装罐时间。
- The difference of road base subsiding is the main factor affecting the base s stability,and the main cause of car-jump at bridgeheads of expressways. 基沉降差异是影响地基稳定性的主要因素之一,是引起高速公路桥头跳车的主要原因,文章提出了高等级公路柔性地基的处理方法,介绍了地基强夯法的技术参数、施工过程及要求。
- Consequently, the evaluation of wall rock"s stability is a momentous science research correlated with expressway"s roading. 因此，围岩稳定性评价是与高速公路隧道施工和运营密切联系的一项极为重要的研究内容。
- 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。
- Several coal beds are developed in backswamp deposits. 河漫沼泽上发育多套煤层。
- CONCLUSION The problem of omeprazole s stability was resolved effectively and the preparation process was simple,feasible and replicable.It is worth further develo... 结论有效地解决了奥美拉唑的稳定性问题,而且制备工艺简单易行,重现性好,值得进一步的工业化生产。
- The hydro-geological parameters of Triassic age coal bed 3 of Dongtan Coal Mine be calculated with it. 利用相关方程求出了全东滩矿3煤砂岩顶板含水层的水文地质参数。
- To assure the system’s stability and insensitivity to external disturbance, the final tests and debugs are made both on each module and on the whole system. 2. 在分模块调试通过后又对系统进行了集成化设计和调试，保证了系统的稳定性和抗干扰能力。
- Roadway heading is the forerunner for clearly knowing coal bed geological conditions. 掘进巷道是全面、准确了解矿井煤层地质条件的先导。
- The coal bed methane (CBD) utilization level is low due to the lack of technology, fund and market demand. 由于技术、资金和市场的欠缺使得中国煤矿瓦斯利用水平还不是很高。
- The mining of shallow coal bed in Shenfu Mine is seriously threatened by suffosion hazard of coal shaft. 神府矿区浅部煤层开采受到矿井溃砂的严重威胁。
- Reserves of coal, coal bed methane gas, bauxite, refractory clay, potassic rock and so on rank first in China. 煤、煤层气、铝土矿、耐火粘土、铁矾土、含钾岩石等储量居全国首位；
