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天然气水合物     
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  gas hydrate
     Analysis of AVA method for gas hydrate study
     天然气水合物研究中的AVA方法分析
短句来源
     Contents of gas hydrate at ODP sites 1146 and 1148 in South China Sea are 25%~30% and 10%~20% of the pore space respectively. At site 1148,local formation saturation comes to 40%~50%.
     根据声波测井的纵波速度估算出南海1146和1148井天然气水合物饱和度分别为孔隙空间的25%~30%和10%~20%,1148井个别沉积层天然气水合物饱和度可达40%~50%。
短句来源
     Studies of Seismic Characteristics about Gas hydrate:A Case Study of Line HD152 in the South China Sea
     天然气水合物地震响应研究——中国南海HD152测线应用实例
短句来源
     The seismic frequency effect on recognition of the BSR of gas hydrate
     天然气水合物BSR的识别与地震勘探频率
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     Simulated Experimental Study on Several Significant Problems Related to Marine Gas Hydrate
     海洋天然气水合物若干问题的模拟实验研究
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  natural gas hydrate
     Experiments are conducted on inhabitation performance of polyvinylpyrrolidone (PVP) on natural gas hydrate under the condition of temperature 4 ℃ and pressure 8.27 MPa. The experiment results show that PVP can obviously prevent hydrate, and PVP with different molecular weights has different inhibition effectiveness: PVPK17 nearly has no inhibition effect because of its small molecular weight;
     对聚乙烯吡咯烷酮(PVP)在4℃、8.27MPa附近压力下对天然气水合物的抑制性能进行了实验,结果表明,PVP可以明显抑制水合物的生成,但不同分子量段的PVP有着不同的抑制效果:PVPK17因为分子量太小,几乎没有抑制作用;
短句来源
     Experimental Study and Theoretical Prediction of Natural Gas Hydrate Formation Conditions
     天然气水合物形成条件的实验研究与理论预测
短句来源
     Experimental Study of Natural Gas Hydrate Formed from Ice-Water-Gas
     冰-水-气生成天然气水合物的实验研究
短句来源
     EXPERIMENTAL STUDY OF PROMOTING NATURAL GAS HYDRATE FORMATION
     天然气水合物形成促进技术实验研究
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     Microwave heating technique to exploit natural gas hydrate reservoir
     微波开采天然气水合物气藏技术
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  gas hydrates
     NEW PROGRESS IN MARINE GAS HYDRATES: SUMMARY FROM 2006 WESTERN PACIFIC GEOPHYSICS MEETING
     海洋天然气水合物研究新进展——2006西太平洋地球物理会议
短句来源
     Experimental Simulations for Elements Geochemical Behavior of Marine Gas Hydrates
     海洋天然气水合物元素地球化学行为模拟实验研究
短句来源
     Natural Gas Hydrates:Affinity Problems of Energy and Environment Science
     天然气水合物:能源与环境科学的前沿问题
短句来源
     Experimental Study on Elemental Geochemical Anomaly during the Formation of Marine Gas Hydrates
     海洋天然气水合物元素地球化学异常的实验研究
短句来源
     GEOPHYSICAL RESEARCHES ON MARINE GAS HYDRATES(Ⅱ): SEISMIC METHODS
     海洋天然气水合物的地球物理研究(Ⅱ):地震方法
短句来源
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  natural gas hydrates
     Natural Gas Hydrates:Affinity Problems of Energy and Environment Science
     天然气水合物:能源与环境科学的前沿问题
短句来源
     It' s reported that natural gas hydrates over the world contain total methane carbon 10~16Kg or methane gas 20x 10~15 m3, this amount equal twice total carbon reserves of coals, oils and natural gases etc conventional fossi fuels around the earth.
     据估计,全球天然气水合物中甲烷碳含量达10~(16)kg或含有20×10~(15)m~3的甲烷气,相当于全世界已知煤炭、石油和天然气等常规化石燃料总碳储量的两倍。
短句来源
     Geophysical recognition and prediction of natural gas hydrates in Qiangtang basin of Tibet
     西藏羌塘盆地天然气水合物地球物理特征识别与预测
短句来源
     Natural gas hydrates are formed by natural gases and water under certain temperatures and pressures.
     天然气水合物是由某些气体或它们的混合物与水在一定温度、压力条件下生成的一种冰状笼型化合物。
短句来源
     Natural world is rich in natural gas hydrates and their structures can be divide into Type-Ⅰ,Type-Ⅱ and Type-H.
     在自然界中 ,蕴藏着丰富的天然气水合物 ,水合物的结构有Ⅰ、Ⅱ和H型。
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  gas hydrate
Gas hydrate is a recently-found new source of energy that mostly exists in marine sediments.
      
In recent years, we have conducted gas hydrate exploration in the South China Sea.
      
The Xisha trough, one of the promising target areas for gas hydrate, is located in the northern margin of the South China Sea, adjacent to several large oil and gas fields.
      
These geochemical anomalies are quite similar to those found in gas hydrate locations in the world such as the Blake Ridge and may be related to the formation and dissociation of gas hydrates.
      
The salt exclusion effect during the gas hydrate formation will cause an increase in major ion concentrations in the pore waters that diffused upward such as Cl.
      
更多          
  natural gas hydrate
A seismic survey to detect natural gas hydrate in the East Sea of Korea
      
Recently, several countries have conducted projects to explore and develop natural gas hydrate, which is one of the new alternative energy resources for the future.
      
The South China Sea, which is one of the largest marginal seas in the world, is predicted to have suitable accumulation conditions and exporting prospects for natural gas hydrate.
      
Study of the Natural Gas Hydrate "Trap Zone" and the Methane Hydrate Potential in the Sverdrup Basin, Canada
      
Natural Gas Hydrate Stability in the East Coast Offshore-Canada
      
更多          
  gas hydrates
These geochemical anomalies are quite similar to those found in gas hydrate locations in the world such as the Blake Ridge and may be related to the formation and dissociation of gas hydrates.
      
Chemical conversion of natural gas hydrates upon mechanical activation
      
Self-similar solutions are obtained for the linearized equations of the flow of a gas in porous regions with a moving interface that describe the dissociation of gas hydrates when the pressure is reduced.
      
Dissociation of gas hydrates coexisting with gas in natural reservoirs
      
Mathematical model of the dissociation of gas hydrates coexisting with ice in natural reservoirs
      
更多          
  natural gas hydrates
Chemical conversion of natural gas hydrates upon mechanical activation
      
Diffusive dispersion of natural gas hydrates in ocean sediments
      
Sediments containing natural gas hydrates occur worldwide on continental and insular slopes and rises of active and passive margins, on continental shelves of polar regions, and in deep-water (>amp;gt; 300 m) environments of inland lakes and seas.
      
The potential amount of methane in natural gas hydrates is enormous, with current estimates at about 1019 g of methane carbon.
      
The worldwide distribution of natural gas hydrates is updated here; their global importance to the chemical and physical properties of near-surface subaquatic sediments is affirmed.
      
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