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深层地热
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  used in deep geothermal
     DRILLING TECHNOLOGY USED IN DEEP GEOTHERMAL WELL
     深层地热水井钻探工艺
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  “深层地热”译为未确定词的双语例句
     The basic actuality and the countermove of deep-layer geothermal resources exploring in our country
     我国深层地热资源勘探的基本现状及对策
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     The terrestrial heat and geology are distribution in BeiJing Olympic park and moving characteris
     北京奥林匹克公园深层地热地质分布及运移特征
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     Scientific Drilling for Ultra-deep Geothermy Resources in Zhengzhou
     郑州市超深层地热资源科学钻探工程
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     An Opinion on Cognition and Exploration Method of Deep Geothermal Resources in China
     我国深层地热资源的认识与勘探方法建议
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     As the shallow thermal fluid migrates towards the southeast, helium will escape from the reservoir through a thin and loose alluvium cap while at the same time radiogenic helium produced in the underlying granite, will be added to the migrating fluid. These cause the 3He/ 4He ratios and F( 4He) values decrease from northwest to southeast.
     热田北区深层地热流体具有稍高的 3He/ 4 He值 ,是浅层地热流体的母源。
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  相似匹配句对
     DRILLING TECHNOLOGY USED IN DEEP GEOTHERMAL WELL
     深层地热水井钻探工艺
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     The deep layer geothermal is a future stress realm in future.
     深层地热是将来地热开发的重点领域。
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     Geothermal Heat Pump
     地热热泵
短句来源
     The Overview of Geothermal Power Generation
     地热发电简述
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     the Atlantic layer waters are in the deep water;
     深层为大西洋源水 ;
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A typical distribution on soil temperature and precipitation field has been discovered round about strong earthquakes(MS≥7.0).A positive soil temperature anomaly area had kept in the coming epicentral area for a half to one year before the earthquake,meanwhile, a relatively large negative soil temperature anomaly belt had also surrounded it.Similarly,there was a small pluvial region in the coming epicentral area during the period of 1-5 months before the earthquake while the background was dry. The positive...

A typical distribution on soil temperature and precipitation field has been discovered round about strong earthquakes(MS≥7.0).A positive soil temperature anomaly area had kept in the coming epicentral area for a half to one year before the earthquake,meanwhile, a relatively large negative soil temperature anomaly belt had also surrounded it.Similarly,there was a small pluvial region in the coming epicentral area during the period of 1-5 months before the earthquake while the background was dry. The positive soil temperature anomaly area and the puvial region expanded and strengthened gradually as time went on.Based on the fact,a new method to calculate soil heat flux by using soil temperatuer data of meteorological stations was designed,which can filter the influence of atmosphere and get the information on geothermal field in deep earth.In this paper,the soil heat flux of about 200 stations round about each of six strong earthquakes (four in People's Republic of China,two in Mongolian People' s Republic) has been calculated,from which it can be seen that typical geothermal structure exists under the earth surface. The heat flux in the coming epicentral area is upward, aroud the area it is downward. The geothermal structure has some influences on soil temperature and precipitation field.

利用中、蒙两国气象站的地温和降水资料,分析了近40年来地温资料较密的华北及其北邻地区6次大地震前后的地温场及降水场的分布形势及其演变特征.在地震前半年到一年的时间里浅层地温场的演变特征是:未来震中区为正地温距平区,周围为较大范围的负距平带环绕,且正距平区呈逐渐增大增强的趋势,直至地震发生;降水场的特征是:震前1-5个月左右在大面积干旱的背景下,未来震中区同时存在一小范围的多雨中心.设计了一种利用浅层地温资料滤去来自上层大气的影响,获得浅层以下地热信息的方法.计算了能够反映深层地热信息的地表浅层热流通量,发现地震前地表以下存在着一个三维热柱结构,即中心热流向上,周围向下.

With respectto thestratacharacteristicsin the deep geothermalresource developmentin Xi′an region,Some tech nicalmeasures to increase the drilling efficiency ofthe deep geothermalwellare described,and some successfulexperiences are summarized in conjunction with the particular cases.

针对西安地区深层地热资源开发中钻遇地层特点 ,阐述了提高深层地热水井钻进效率的技术措施 ,并结合钻井实践总结了一些成功的经验。

The relative abundances and isotopic composition of noble gases in selected wells were determined to identify heat source, the relationship between shallow and deep thermal fluids, and fluid migration. The thermal fluids contain large 4He excesses with 3He/ 4He ratios of 0.087~0.259 times the ratio in air. Heat source in the region is inferred to be partial melting of the crust at depth. The dense cold groundwater pulled by gravity moves down through the pediment fault of the Nyainquentanglha...

The relative abundances and isotopic composition of noble gases in selected wells were determined to identify heat source, the relationship between shallow and deep thermal fluids, and fluid migration. The thermal fluids contain large 4He excesses with 3He/ 4He ratios of 0.087~0.259 times the ratio in air. Heat source in the region is inferred to be partial melting of the crust at depth. The dense cold groundwater pulled by gravity moves down through the pediment fault of the Nyainquentanglha Mts. Along the flow path, the water absorbs heat from wallrock and gradually loses its density. Differential densities between the thermal and cold waters drive the thermal water to shallow depths. The deep thermal fluid found only in the northern part of the field has the highest 4He enrichment [F( 4He)~7500] and the highest 3He/ 4He ratio ( 0.259Ra ).When the thermal water approaches the surface, the pressure in the fracture zone decreases so that the thermal water can boil CO 2 and H 2S rich steam escaping from the boiling water along its ascent channel. Production wells ZK354 and ZK357, located in the upwelling zone, have slightly higher 3He/ 4He ratios and F( 4He) values than the others nearby. When the upflow of the deep thermal water is blocked, the pressure drives it laterally toward the southeast where it enters the shallow reservoir after mixing with the cold groundwater. The shallow reservoir consists of Quaternary alluvium and altered granite, opal and calcite precipitate from the thermal water to form a self sealed alluvium cap. As the shallow thermal fluid migrates towards the southeast, helium will escape from the reservoir through a thin and loose alluvium cap while at the same time radiogenic helium produced in the underlying granite, will be added to the migrating fluid. These cause the 3He/ 4He ratios and F( 4He) values decrease from northwest to southeast. The relationship between F( 84 Kr) and F( 132 Xe) values implies that krypton and xenon components are of a meteoric origin for both the shallow and deep thermal fluids.

地热流体中惰性气体的相对丰度和同位素组成 ,不仅可以揭露热田的热源性质 ,而且还能够揭示深、浅层地热流体的内在联系和演化过程等。在西藏羊八井热田的地热气体中 ,已检测出大量的 4 He组分 ,3He/ 4 He值是大气的 0 .0 87~ 0 .2 5 9倍 ,表明深部地壳物质的局部熔融为热田提供能量。浅层地热流体的 3He/ 4 He值自西北向东南呈降低趋势 ,与热储温度的变化相一致 ,反映出侧向运移时补充了更多的壳源氦。热田北区深层地热流体具有稍高的 3He/ 4 He值 ,是浅层地热流体的母源。气体中氪和氙的相对丰度具有大气降水成因的特征。结合现有的实际资料 ,建立了热田地热流体的概念模型

 
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