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- coal bearing ratio 含煤系数
- CBR is called California Bearing Ratio,which was put forward by the Highway Administration Bureau of California in USA. 加州承载比即CBR,由美国加利福尼亚州公路局首先提出来,是用于评定路基土和路面材料的强度指标。
- Abstract There is coalseam methane in coalbed and coal bearing sequences in the study area. 在煤层和煤系地层中,产生并赋存着煤层气。
- The genesis of Shuicaozi Cu deposit has a close relation with the coal bearing clastic rock formation of lacustrine bog facies. 水槽子铜矿的成因与湖泊沼泽相含煤碎屑岩建造紧密相关,多个呈似层状、透镜状的矿体,均赋存于该沉积序列中。
- At the same time, coal bearing series strata in upper Paleozoic distributes within all basins, so coal-genetic gas is also abound.In order to reali... 因此,为实现大港油田天然气生产的良性循环,应坚持科技创新和油气并举的原则,加快对黄骅坳陷天然气新领域的勘探步伐,加快气田(藏)的高效开发和老区的滚动挖潜。
- Paper has systematic summarized the characters of the Tertiary coal bearing strata of N.E.China Region,genetic types of coal,lithotype of coal,metamorphism and its rules. 系统总结了东北地区第三纪含煤地层特征、煤的成因类型、煤岩特征、变质作用及其规律。
- The authors comprehensively analyzed the geological background and the epositional characteristics of the Late Permian coal bearing strata in Laochang coalfield,eastern Yunnan. 通过对滇东老厂煤田形成的地质背景和晚二叠世含煤地层沉积特征的综合分析,剖析了典型的潮坪聚煤环境和三角洲聚煤环境及其成煤作用。
- This paper discussed the evolvement characteristics of sand bodies of the fourth coal bearing interval and its influence on No. 13-1 coal-seam thickness in Huainan coal field. 摘要讨论了淮南煤田第四含煤段砂体的演化特征及其对13-1煤层厚度的影响。
- Through in-situ tests on multi-pile composite subgrade, the authors analyzed stress-ratio, bearing ratio and bearing capacity factors of piles and soil in multi-pile composite subgrade, and made some suggestions to project designer. 摘要通过一个具体工程的试验研究,分析了多桩型复合地基桩土应力比、荷载分担比、桩与土承载力发挥等桩土承载性状,并据此提出了若干建议性的结论,供工程设计参考。
- Abstract The Haikou Formation of Middle Devonian in Luquan contains coal bearing sediments (predominantly clastic rocks)which are of littoral origin and yield abundant fishes, fossil plants and pelecypods. 云南禄劝中泥盆世海口组为以碎屑岩为主的滨海相含煤沉积,地层中产有丰富的鱼类、植物和双壳类化石;
- Test Method for Bearing Ratio of Soils in Place 现场测定土壤承重比率的方法
- According to the different work conditions, analyses the bearings ratio of revolution and rolling on the condition of elastohydrodynamic lubrication which invert from the slipping of the bearing. 针对实际生产工况建立弹流润滑高速角接触球轴承分析计算模型。并将弹流润滑高速角接触球轴承的旋转打滑分析转化为旋滚比的分析。
- THE COAL BEARING STRATA IN BARAPUKURIA,BANGLADESH 孟加拉国巴拉普库利亚含煤地层
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- Study on Mechanism and Influencing Factors for California Bearing Ratio Tests 加州承载比试验作用机理和影响因素研究
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。