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| 1 | Gas Hydrates in the Qilian Mountain Permafrost, Qinghai, Northwest China显示文摘Qilian Mountain permafrost, with area about 10×104 km2, locates in the north of Qinghai-Tibet plateau. It equips with perfect conditions and has great prospecting potential for gas hydrate. The Scientific Drilling Project of Gas Hydrate in Qilian Mountain permafrost, which locates in Juhugeng of Muri Coalfield, Tianjun County, Qinghai Province, has been implemented by China Geological Survey in 2008–2009. Four scientific drilling wells have been completed with a total footage of 2059.13 m. Samples of gas hydrate are collected separately from holes DK-1, DK-2 and DK-3. Gas hydrate is hosted under permafrost zone in the 133–396 m interval. The sample is white crystal and easily burning. Anomaly low temperature has been identified by the infrared camera. The gas hydrate-bearing cores strongly bubble in the water. Gas-bubble and water-drop are emitted from the hydrate-bearing cores and then characteristic of honeycombed structure is left. The typical spectrum curve of gas hydrate is detected using Raman spectrometry. Furthermore, the logging profile also indicates high electrical resistivity and sonic velocity. Gas hydrate in Qilian Mountain is characterized by a thinner permafrost zone, shallower buried depth, more complex gas component and coal-bed methane origin etc. | ZHU Youhai ZHANG Yongqin WEN Huaijun LU Zhenquan JIA Zhiyao LI Yonghong LI Qinghai LIU Changling WANG Pingkang GUO Xingwang | 2010 | Acta Geologica Sinica(English Edition)2010,84,1: | 19 |
| 2 | The pore structure and fractal characteristics of shales with low thermal maturity from the Yuqia Coalfield, northern Qaidam Basin, northwestern China显示文摘从北 Qaidam 盆的中间的侏罗记 Shimengou 形成的大陆人页岩,西北的中国,因为他们的页岩气体潜力,在最近的年里被调查了。在这研究, 22 件页岩样品的一个总数在 Yuqia 煤田从 YQ-1 地上凿穿被收集,北 Qaidam 盆。样品的全部的器官的碳(TOC ) 内容,毛孔结构参数,和分数维的特征用 TOC 分析,低温度的氮吸附实验,和分数维的分析被调查。结果证明 Shimengou 页岩的平均毛孔尺寸与 10.74 nm 的吝啬的价值从 8.149 nm 变化了到 20.635 nm,它被认为缩放 mesopore。页岩的毛孔主要塑造 inkbottle 、塑造裂缝。沉积环境在控制低成熟页岩的 TOC 内容起一个必要作用,与页岩从的 TOC 价值对半深的湖外形深(平均数:5.23%) 比岸浅的湖外形的那些尤其是高(平均数:0.65%) 。有 2.6122 的一个平均数的从 2.4639 ~ 2.6857 的分数维的尺寸范围,高比海洋的页岩,它显示毛孔出现的那些更不平并且在这些大陆人页岩更复杂的毛孔结构。分数维的尺寸与增加全部的毛孔体积和全部的特定的表面区域,并且与减少的平均毛孔尺寸增加。与在页岩增加 TOC 内容,分数维的尺寸增加第一然后减少,它根据在 TOC 和两个总数之间的趋势,与发生在 2% TOC 内容的最高的价值特定的表面区域和全部的毛孔体积。毛孔结构复杂性和这些低成熟的页岩的毛孔表面粗糙将被沉积环境和 TOC 内容的联合效果控制。 | Haihai HOU Longyi SHAO Yonghong LI Zhen LI Wenlong ZHANG Huaijun WEN | 2018 | Frontiers of Earth Science2018,12,1: | 8 |
| 3 | Dual Control of Depositional Facies on Uranium Mineralization in Coal-bearing Series: Examples from the Tuanyushan Area of the Northern Qaidam Basin, NW China显示文摘The uranium deposits in the Tuanyushan area of northern Qaidam Basin commonly occur in coal-bearing series. To decipher the U-enrichment mechanism and controlling factors in this area, a database of 72 drill cores, including 56 well-logs and 3 sampling wells, was examined for sedimentology and geochemistry in relation to uranium concentrations. The results show that coal-bearing series can influence uranium mineralization from two aspects, i.e., spatial distribution and dynamic control. Five types of uranium-bearing rocks are recognized, mainly occurring in the braided river and braided delta sedimentary facies, among which sandstones near the coals are the most important. The lithological associations of sandstone-type uranium deposits can be classified into three subtypes, termed as U-coal type, coal-U-coal type, and coal-U type, respectively. The coal and fine siliciclastic rocks in the coalbearing series confined the U-rich fluid flow and uranium accumulation in the sandstone near them. Thus, the coal-bearing series can provide good accommodations for uranium mineralization. Coals and organic matters in the coal-bearing series may have served as reducing agents and absorbing barriers. Methane is deemed to be the main acidolysis hydrocarbon in the U-bearing beds, which shows a positive correlation with U-content in the sandstones in the coal-bearing series. Additionally, the δ13 C in the carbonate cements of the U-bearing sandstones indicates that the organic matters, associated with the coal around the sandstones, were involved in the carbonation, one important component of alteration in the Tuanyushan area. Recognition of the dual control of coal-bearing series on the uranium mineralization is significant for the development of coal circular economy, environmental protection during coal utilization and the security of national rare metal resources. | GUO Biao SHAO Longyi WEN Huaijun HUANG Guangnan ZOU Mingjun LI Yonghong | 2018 | Acta Geologica Sinica(English Edition)2018,92,2: | 2 |
| 4 | Identification of differentially expressed genes in potato associated with tuber dormancy release显示文摘 | Bailin Liu Ning Zhang Yikai Wen Huaijun Si Di Wang | 2012 | Molecular Biology Reports2012,,12: | 1 |
| 5 | Coupled hy drogenation and ring opening of tetralin on potassium modi fled Pt/USY catalysts显示文摘 | Ma Huaijun Yang Xiaomei Wen Guodong | 2007 | Catalysis Letters2007,116,3: | 1 |
| 6 | Coupled hydrogenation and ring opening of tetralin on potassium modified Pt/USY catalysts显示文摘 | Huaijun Ma Xiaomei Yang Guodong Wen Ge Tian Lei Wang Yunpeng Xu Bingchun Wang Zhijian Tian Liwu Lin | 2007 | Catalysis Letters (-)2007,,3: | 1 |
| 7 | Gas hydrate occurrences in the Qilian Mountain permafrost, Qinghai Province, China显示文摘 | Zhengquan Lu Youhai Zhu Yongqin Zhang Huaijun Wen Yonghong Li Changling Liu | 2011 | Cold Regions Science and Technology2011,,2: | 1 |
| 8 | Coal-Forming Model in the Context of Non-marine Sequence Stratigraphy:A Case Study of Jurassic Coal Measures in Northern Qaidam Basin,Northwestern China显示文摘Previous studies of coal sequence stratigraphy have concentrated on coals associated with paralic depositional systems.Little attention has been paid to their counterparts in non-marine intra-mountain coal basins.The northern Qaidam Basin of northwestern China has been extensively developed with abundant oil and gas as well as coal resources in its Jurassic non-marine successions.A total of six sedimentary systems of the Early and Middle Jurassic | Jing Lu~1,Longyi Shao~1,Taijin Liu~2,Qi Ju~2,Huaijun Wen~2,Hao Wang~1 1.Department of Resources and Earth Sciences,China University of Mining and Technology(Beijing),Beijing 100083,China. 2.Qinghai Administration of Coal Geology,Xining 810000,China | 2009 | 地学前缘2009,16,S1: | 0 |