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- 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。
- Adopting which appropriate and economical retaining structure is the difficulty and keystone of the design of foundation pit in uneven soil layer due to the different bearing soil pressure of retaining structure of foundatioti pit. 摘要对于土层分布不均匀的基坑,由于基坑支护结构所受的土压力不同,采用何种合适、经济的支护形式,是基坑设计的难点和重点。
- 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。
- 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;
- 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。
- SOME CHARACTERISTIC STRUCTURES OF THE SHANSI COAL BEARING REGIONS 山西含煤地区的构造特征
- Keywords coal bearing petrofabric;high slope;stability; 含煤岩组;高边坡;稳定性;
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- ENGINEERING CASE OF DEEPLY SINKING PIPE PILING IN HIGH CONTENT WATER- BEARING SOIL 在深厚高含水率软土地层中的沉管桩工程实例
- We have enough coal to see the winter out. 我们有足够的煤过冬。