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hydrate
相关语句
  水合物
    Study on Gas Hydrate Phase Equilibrium Condition and Simulation Experiment and Testing Technology
    海洋天然气水合物相平衡条件模拟实验及探测技术研究
短句来源
    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
短句来源
    It turns out that as the pore radius of sediments is 250~355 μm and pressure is 5 MPa,methane hydrate can be quickly synthesized at 1 ℃;
    在粒径为250-355μm的天然海砂中,压力5 MPa时,1℃的反应釜温度可以使甲烷水合物较快生成;
短句来源
    as the pore radius of sediments is 180~250 μm and temperature is 2.5 ℃,methane hydrate can be quickly synthesized at 5 MPa.
    在粒径为180-250μm的天然海砂中,温度为2.5℃时,5 MPa的压力即可使水合物较容易生成。
短句来源
    The formation of methane hydrate in a mixed system of ice powders and sand was studied at 273 K and at different pressure(5.3 MPa、6.8 MPa、7.9 MPa).
    在自行搭建的实验台上利用恒压预冷法研究了不同压力(5.3 MPa、6.8 MPa7、.9 MPa)、恒定温度(273 K)下甲烷水合物在冰粉(154—300μm)与石英砂(154—300μm)混合物中的生成过程。 结果表明:甲烷水合物在此混合物中聚集生长;
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  “hydrate”译为未确定词的双语例句
    It is a gas or methane hydrate and its limiting formula is 8X\546H\-2O.
    这种类型包合物的极限化学式为8X·46H2O。
短句来源
    Guo88>Chen & Guo96, namely Duo & Guo88 and Chen & Guo96 are best calculating models for gas hydrate formation conditions prediction.
    其中Du&Guo88和Chen&Guo96两种模型计算最精确。
短句来源
    MASSIVE DISSOCIATION OF GAS HYDRATE DURING OCEANIC ANOXIA AS A CAUSE OF MASS EXTINCTION AT THE END OF PERMIAN
    华南二叠纪末缺氧海水中的有毒气体与生物集群绝灭
短句来源
    Advances in acoustic exploration of the gas hydrate
    天然气水化合物的声学探测进展
短句来源
    The hydrate formation behavior of ethylene becomes more complex in supercritical condition.
    超临界条件下的乙烯由于其特殊的性质而使生成动力学行为变得更加复杂。
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  hydrate
2,5-Bihydrazino-1,3,4-thiadiazole (2) was synthesized by condensation of 2,5-bimercapto-1,3,4-thiadiazole (1) with hydrazine hydrate, and compound 2 reacted with acyl chloride to give 2,5-biacylhydrazino-1,3,4-thiadiazole derivatives (3a-3e).
      
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.
      
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A brief account of the history of scientific ocean drilling is given by summarizing the main achievments made both by Deep Sea Drilling Program (DSDP) and Ocean Drilling Program (ODP). DSDP revolutionized the earth scientists′view of the Earth′s dynamic processes. Its successor, the ODP, is collecting high resolution records of changes in these processes over time scales of tens to hundreds of thousands of years. Major achievements have been made in the following aspects: the magnitude, speed and origin of climate...

A brief account of the history of scientific ocean drilling is given by summarizing the main achievments made both by Deep Sea Drilling Program (DSDP) and Ocean Drilling Program (ODP). DSDP revolutionized the earth scientists′view of the Earth′s dynamic processes. Its successor, the ODP, is collecting high resolution records of changes in these processes over time scales of tens to hundreds of thousands of years. Major achievements have been made in the following aspects: the magnitude, speed and origin of climate changes in the geological history, astronomically tuned geological time scale, the formation and evolution of ice sheets in high latitude regions, relationship between orogeny and long term climate change and the role gas hydrate may play in the global climate change. The achivements have enabled scientists to believe that drilling into the young ocean crust with continuous, undisturbed sedimentary and logging record will provide most efficient and significant insights into the research on the past global climate changes, as well as on future global climate changes.

文章简要地回顾了科学大洋钻探的发展历程。深海钻探计划(DSDP)革命性地改变了地球科学家们对地球动力作用的认识。DSDP的后继者,即大洋钻探计划(ODP)正在全球各大洋收集有关这些作用在几万至几十万年时间尺度上变化的高分辨率记录,并已在与全球气候有关的下述领域取得了重要进展:地质历史时期气候变化的幅度、速度及原因,按轨道调谐的新生代(10Ma前以来)地质年代表,高纬度地区冰盖形成及演化历史,造山运动与长期气候变化之间的相互关系,气体水合物与全球气候变化的相互制约关系。DSDP和ODP的成就使地球科学家们相信,在全球年轻的大洋底实施钻探以取得连续的沉积记录和录井记录,是研究过去全球气候的长期、短期变化的有效而重要的手段,并将给未来全球变化的研究带来启示

The structures of gas hydrates are analyzed. The experimental methods for determining phase equilibria of gas hydrates and applications of the hydrates are explained.

对气体水合物的微观结构进行了详细的分析,阐述了气体水合物的实验测定方法以及它在工业上的应用。

The paper summarizes major resultS from mercury geochemical inveshgations in the Nansha Islands sea area in 1989-1994. Mercury contents in surface seawater and sea-surface air were determined in situ at 1790 stations along 11655 Km survey lines on 5 cruises. A total of 19 mercury anomalies were identified,among which 9 are correlated with oil / gas reservoirs at depth, 7 with fault belts. 3anomalies found in lower slope are possibly indicative of the existence of methane gas hydrate or hydrocarbon accumulations...

The paper summarizes major resultS from mercury geochemical inveshgations in the Nansha Islands sea area in 1989-1994. Mercury contents in surface seawater and sea-surface air were determined in situ at 1790 stations along 11655 Km survey lines on 5 cruises. A total of 19 mercury anomalies were identified,among which 9 are correlated with oil / gas reservoirs at depth, 7 with fault belts. 3anomalies found in lower slope are possibly indicative of the existence of methane gas hydrate or hydrocarbon accumulations in deep-water areas. The results demonstrate that the mercury determination may be an effective tool in offshore oil / gas exploration and geological investigation, as it can provide important geochemical evidences for hydrocarbon accumulations and large-scaled faults.

概述在南沙群岛海域开展海上汞量地球化学调查与异常分析的主要成果。从1989至1994年的5个航次中,完成了11655km测线和1790个站的表层海水和海面大气中汞量现场测定。在圈定的19个汞量异常中,推断有9个与下伏油气储层有关,另有7个为断裂带的反映,还有3个可能指示海底存在天然气水合物或深水油气藏。调查结果表明,汞量测量是一种有效的海上油气资源和地质调查手段,能为南沙油气资源远景评价和大型断裂构造调查提供重要的地球化学依据。

 
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