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mantle fluid
相关语句
  地幔流体
    MANTLE FLUID AND EARTH DEGASSING
    地幔流体与地球的放气作用
短句来源
    THE PROCESSES OF MANTLE PLUME AND MANTLE FLUID AND HTEIR APPLYING STUDY FOR THE DEEP PROSPECTING
    地幔柱和地幔流体作用与深部找矿应用研究
短句来源
    On the basis of the study in processes of mantle plume and mantle fluid, in this paper, geochemical background forming large and superlarge deposits are approached, and the protential reserve for deep prospecting are brought to light.
    研究从地幔柱和地幔流体作用入手,探讨了大型和超大型矿床形成的地球化学背景,揭示了开展深部找矿应用的前景。
短句来源
  地幔流体
    MANTLE FLUID AND EARTH DEGASSING
    地幔流体与地球的放气作用
短句来源
    THE PROCESSES OF MANTLE PLUME AND MANTLE FLUID AND HTEIR APPLYING STUDY FOR THE DEEP PROSPECTING
    地幔柱和地幔流体作用与深部找矿应用研究
短句来源
    On the basis of the study in processes of mantle plume and mantle fluid, in this paper, geochemical background forming large and superlarge deposits are approached, and the protential reserve for deep prospecting are brought to light.
    研究从地幔柱和地幔流体作用入手,探讨了大型和超大型矿床形成的地球化学背景,揭示了开展深部找矿应用的前景。
短句来源
  地幔流体
    MANTLE FLUID AND EARTH DEGASSING
    地幔流体与地球的放气作用
短句来源
    THE PROCESSES OF MANTLE PLUME AND MANTLE FLUID AND HTEIR APPLYING STUDY FOR THE DEEP PROSPECTING
    地幔柱和地幔流体作用与深部找矿应用研究
短句来源
    On the basis of the study in processes of mantle plume and mantle fluid, in this paper, geochemical background forming large and superlarge deposits are approached, and the protential reserve for deep prospecting are brought to light.
    研究从地幔柱和地幔流体作用入手,探讨了大型和超大型矿床形成的地球化学背景,揭示了开展深部找矿应用的前景。
短句来源
  “mantle fluid”译为未确定词的双语例句
    The basic equation of hydrodynamics of mantle fluid was deduced with the hy-dromechanic theory based onthe hypothesis that the mantle is a laminar viscous Newtonian fluid. According to this equation the author have studied the gravity field and stress field of mantlecur-rent in lithospheric base and derived the relationship between these two fields, furthermore, anew formula to determine stress field of mantle current in lithospheric base by surface and satel-lite gravity data was obtained.
    视地幔为牛顿粘滞层状流体,根据流体力学导出地幔流体动力学基本方程,并以此通过对重力场和岩石圈底面地幔流应力场的研究,得到两种力场的重要关系,从而获得利用地面或卫星重力资料确定岩石圈底面地幔流应力场的新公式。
短句来源
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  mantle fluid
In response to low environmental salinity, all three species closed the opercular plates firmly and rapidly used up oxygen within the mantle fluid.
      
Ventilation of the mantle cavity depended partially on external water flow, with higher and more stable mantle fluid oxygen concentrations being sustained when the water around barnacles was agitated.
      
Mantle fluid oxygen concentrations were extremely variable; behaviour and oxygen concentrations were not closely coupled.
      
When isolated, the mussels maintain a high osmotic concentration in the mantle fluid as the external salinity drops.
      
We also observed that both 3H-protein and 3H-glycine concentrations were higher in the mantle fluid than in the external sea water, although the ratios of 3H-glycine to 3H-protein in these two fluids were not different.
      
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This paper discusses the ages and evolution of the continental mantle and thedistribution of fluids in it,all subjects of much recent study。The ages of mantle xenolithshave been used to determine mantle ages ranging from Phanerozoic to Archaean,0.2~3.4Ga,Pb- pb data for lherzolite xenoliths from Australia indicate an age of 2.0~2.5 Ga,and the Roberts Victor pipe in South Africa containes xenoliths with ages of 1.7~2.4 Ga。Other dating information is forthcoming from mantle megacrysts,much of it providing im-portant...

This paper discusses the ages and evolution of the continental mantle and thedistribution of fluids in it,all subjects of much recent study。The ages of mantle xenolithshave been used to determine mantle ages ranging from Phanerozoic to Archaean,0.2~3.4Ga,Pb- pb data for lherzolite xenoliths from Australia indicate an age of 2.0~2.5 Ga,and the Roberts Victor pipe in South Africa containes xenoliths with ages of 1.7~2.4 Ga。Other dating information is forthcoming from mantle megacrysts,much of it providing im-portant constraints on the age and origin of the lithosphere,Sm- Nd data from diamond in-clusions show ages of 3. 2~3.3 Ga for minerals of the peridotite paragenesis and 1.2~1.5Ga for minerals of the eclogite paragenesis.These data correspond to the Archaean to Pro-terozoic ages reported for whole- rock eclogites and peridotites.During Archaean asthenosphere-lithosphere interaction and post-Archaean interactionwith the deep mantle and other hot spots The Archaean lithospheric mantle beneath SouthAfrica experienced processes of crustal extraction.These processes appear to record achange from a predominantly depleted to enriched state,The Proterozoic lithospheric man-tle beneath the western USA is believed to have resulted from Proterozoic-Phanerozoicsupra-subduction processes associated with terrain accretion,and from Phanerozoic plume-lithosphere interaction,The Phanerozoic lithospheric mantle beneath eastern Australia hasproduced a domain consistent with Proterozoic partial melting,Phanerozoic subduction orDUPAL-lithosphere interaction and upwelling of DMM asthenosphere.K-enriched melts,carbonate melts,H_2,CH_4,H_2O, N, CO,CO_2,S.F.Cl.etc,are proba-bly mantle fluid components, The composition and molecular speciation of subsolidus man-tle fluids are controlled both by oxygen fugacity and by depth of the mantle.

本文主要介绍大陆地幔岩石圈的年龄、大陆地幔演化和地幔流体等三个近年来引人注目的问题。地幔捕虏体的年龄范围200~3400Ma,一般认为它可以代表地幔的年龄。澳大利亚二辉橄榄岩捕虏体的Pb-pb年龄为2000~2500Ma,南非Victor岩管的捕虏体为1700~2400Ma。橄榄岩型金刚石的石榴石包裹体Sm-Nd年龄为3200~3300Ma,榴辉岩型金刚石的年龄为1200~1500Ma。这些数值可与橄榄岩及榴辉岩捕虏体的全岩年龄数据相对应。太古代岩石圈地幔以南非为代表,经历了从地壳物质提取的亏损过程到与软流圈反应和与深部热点物质作用的富集过程。以美国西部为代表的元古代岩石圈地幔则经历了元古-显生宙的俯冲作用、地体增生过程以及与热点反应的作用。以澳大利亚东部为代表的显生宙岩石圈地幔经历了元古代的部分熔融、显生宙的俯冲或与DUPAL的反应以及具DMM特征的软流圈的上隆。钾质熔体、碳酸盐熔体、H_2、CH_4、N_2O、N、CO、CO_2、S、F、Cl等都是地幔流体的主要组分,它们的类型与所处的深度和氧逸度有关。

The basic equation of hydrodynamics of mantle fluid was deduced with the hy-dromechanic theory based onthe hypothesis that the mantle is a laminar viscous Newtonian fluid.According to this equation the author have studied the gravity field and stress field of mantlecur-rent in lithospheric base and derived the relationship between these two fields, furthermore, anew formula to determine stress field of mantle current in lithospheric base by surface and satel-lite gravity data was obtained....

The basic equation of hydrodynamics of mantle fluid was deduced with the hy-dromechanic theory based onthe hypothesis that the mantle is a laminar viscous Newtonian fluid.According to this equation the author have studied the gravity field and stress field of mantlecur-rent in lithospheric base and derived the relationship between these two fields, furthermore, anew formula to determine stress field of mantle current in lithospheric base by surface and satel-lite gravity data was obtained. It is still showed that the new formula can overcome three short-comings of Runcorn's pattern.

视地幔为牛顿粘滞层状流体,根据流体力学导出地幔流体动力学基本方程,并以此通过对重力场和岩石圈底面地幔流应力场的研究,得到两种力场的重要关系,从而获得利用地面或卫星重力资料确定岩石圈底面地幔流应力场的新公式。文中从详细推导到结论分析说明了该公式克服了Runcorn模式的三个缺陷。

The Earth differentiates more and more strongly during its degassing, the main forms of the Earth degassing are volcanic/magmatic processes. There are a lot of fluids presented in the mantle rocks, which mainly in the form of fluid inclusion. Almost all minerals formed in the mantle conditions contain fluid inclusions. Such fluid is mainly consisted of CO 2,CH 4,H 2O, H 2, and N 2 etc. Kimberlite magma is generated during the reaction process between the mantle rocks...

The Earth differentiates more and more strongly during its degassing, the main forms of the Earth degassing are volcanic/magmatic processes. There are a lot of fluids presented in the mantle rocks, which mainly in the form of fluid inclusion. Almost all minerals formed in the mantle conditions contain fluid inclusions. Such fluid is mainly consisted of CO 2,CH 4,H 2O, H 2, and N 2 etc. Kimberlite magma is generated during the reaction process between the mantle rocks and the mantle fluids. Both the mantle fluids and the melts generated by partial melting of the mantle rocks are greatly enriched in incompatible elements, when such fluids and melts react with the depleted mantle, the incompatible elements and LREE will be concentrated in the depleted mantle locally. CO 2 in the shallow part of the Earth can be transported into the Earth′s deep part during plate subduction and participates in the Earth′s carbon circulation. Some CO 2 from the hot spot magma are originated from such re circulating carbon, otherwise, CO 2 from MORB is originated mainly from the primary Earth. The CH 4+H 2O fluid in the mantle, which is infiltrated into the crust matter and the later is transported into the mantle during subduction, makes the carbonated eclogite to be reduced and form diamond bearing eclo ̄gite and water rich fluid, and finally induces partial melting of the mantle rocks. The generated melt may come to the Earth surface by means of volcanic eruption.

地幔流体的形成、聚集和渗透是引起地幔交代作用的主要营力。地幔交代作用发育的强弱决定着所生成岩浆的碱性程度。地幔流体和部分熔融体高度富集不相容元素,它们与亏损地幔的相互作用可以使后者发生LREE和不相容元素的局部富集。通过板块俯冲作用使地球表层的CO2进入地幔,参加地球的碳循环。热点岩浆来源的CO2中含有部分循环的CO2,而大洋中脊玄武岩中的CO2主要是原始地球的CO2。携带CH4和H2O的流体渗透至被俯冲带带入地幔的物质,使碳酸盐化的榴辉岩还原而形成含金刚石的榴辉岩和富水流体,并诱发局部熔融,所形成的熔体以火山喷发的形式上升到地表。地幔岩石中含有大量的流体,它们主要以流体包裹体的形式存在于地幔矿物中。几乎在所有的上地幔环境下形成的矿物中均找到了流体包裹体。包裹体内流体的成分主要是CO2,CH4,H2O及少量H2,N2等。

 
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