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题名: In situ high-pressure NMR observations on the formation and dissociation of methane hydrate
作者: Chen, AB;  Zhang, WP;  Lan, XJ;  Zheng, H;  Liu, XM;  Han, XW;  Bao, XH
通讯作者: 包信和
关键词: in situ NMR ;  high-pressure NMR ;  methane ;  methane hydrate ;  hydrate formation ;  hydrate dissociation
刊名: CHINESE CHEMICAL LETTERS
发表日期: 2006-06-01
卷: 17, 期:6, 页:791-794
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 502
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A home-made static NMR cell with pressure up to 10 MPa was employed to observe the formation and dissociation processes of methane hydrate by in situ H-1 and C-13 NMR spectroscopies. Methane hydrate can be formed or decomposed in the temperature range of -5 to -13 degrees C at pressures between 4.0 and 7.0 MPa. The higher methane pressure, the formation or dissociation temperature of methane hydrate was higher. In situ H-1 NMR experiments indicated that the critical size of the hydrate clusters is crucial for the formation of methane hydrate.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000238441500024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98047
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Chen, AB,Zhang, WP,Lan, XJ,et al. In situ high-pressure NMR observations on the formation and dissociation of methane hydrate[J]. CHINESE CHEMICAL LETTERS,2006,17(6):791-794.
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