| 沉积物中水合物含气量测定方法 |
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| 引用本文： | 孟庆国,刘昌岭,业渝光,胡高伟. 沉积物中水合物含气量测定方法[J]. 海洋地质前沿, 2011, 0(8): 66-70 |
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| 作者姓名： | 孟庆国 刘昌岭 业渝光 胡高伟 |
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| 作者单位： | 国土资源部海洋油气资源与环境地质重点实验室;青岛海洋地质研究所; |
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| 基金项目： | 国家自然科学基金(41072037); 国土资源部公益性行业科研专项(200911043-21,201111026) |
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| 摘 要： | 建立了沉积物中水合物含气量的测定方法；测定了人工松散沉积物中甲烷水合物、南海神狐海域及祁连山冻土区天然气水合物样品的含气量；计算了样品的表观水合指数(水与气体的摩尔比)；探讨了水合物含气量的影响因素.测试结果表明,人工甲烷水合物样品表观水合指数与晶体水合指数相近,样品中水合物的浓度大,含气量较高；南海神狐海域及祁连山冻...
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| 关 键 词： | 天然气水合物 含气量 表观水合指数 晶体水合指数 |
MEASURING GAS CONTENT OF THE NATURAL GAS HYDRATES IN SEDIMENTS |
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| MENG Qingguo,LIU Changling,YE Yuguang,HU Gaowei. MEASURING GAS CONTENT OF THE NATURAL GAS HYDRATES IN SEDIMENTS[J]. Marine Geology Letters, 2011, 0(8): 66-70 |
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| Authors: | MENG Qingguo LIU Changling YE Yuguang HU Gaowei |
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| Affiliation: | MENG Qingguo,LIU Changling,YE Yuguang,HU Gaowei(Key Laboratory of Marine Hydrocarbon Resource and Environmental Geology,Ministry of Land and Resources,Qingdao 266071,China,Qingdao Institute of Marine Geology,China) |
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| Abstract: | The vacuum volumetric method was used to determine the gas contents of both the man-made methane hydrates in various sediments and the natural gas hydrates recovered from the Shenhu area in the South China Sea and the Qilian Mountain permafrost.Apparent hydration numbers(water/gas molar ratio) of the samples were calculated,and the methods for measuring gas content from the gas hydrate samples discussed.The experimental results show that the synthetic methane hydrates have small apparent hydration numbers w... |
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| Keywords: | natural gas hydrates gas content apparent hydration number crystal hydration number |
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