幔
- 名Mantle;curtain;screen
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张在屋内的帐幕:~帐。~子。布~。窗~。帷~。
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(遮挡用的帘子) curtain; screen:
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帷幔
curtain hangings; heavy curtain;
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障幔
screen;
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布幔
cotton curtain
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月球有壳,幔,核三部分。
The moon a shell , curtain , nuclear three parts .
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核&幔区域劳动力流动动力模型研究
The Power Model of Labor Force Flowage in Core and Curtain Areas
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上地幔顶部p波速度平均为8.17KM/sec。
P wave velocity of the top of the upper mantle averages to 8.17 km / s.
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中国东部幔源CO2气藏的CO2/~3He比率及形成机制
Co_2 / ~ 3he ratio of mantle-derived co_2 gas pools and its formation mechanism in East China
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这些气井中的He和CO2不仅显示幔源特征,而且CO2具有岩浆成因特征。
Those He and CO 2 show not only mantle-derived characteristics but also magmatic origin .
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本文利用近震体波资料,研究了华北地区地壳和上地幔P波速度结构。
In this paper , the crust and the upper mantle velocity structure beneath northern China has been studied by the use of near-by earthquake P wave information .
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因此,未脱气的幔源岩浆脱气作用成为含油气盆地CO2的最主要来源。
Therefore , degassing of the undegassed mantle is the main source of CO 2 in petroliferous basins .
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火山幔源与有机成因CO2气混合模型探讨以南海北部边缘盆地为例
A preliminary study on the model for mixing of volcanic-mantle-derived and organic co_2-northern margin basins of South China Sea as a case
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中国阿尔泰造山带花岗岩Pb同位素组成特征:幔源成因佐证及陆壳生长意义
Pb Isotopic Composition of Granitoids from the Altay Orogen ( China ): Evidence for Mantle-derived Origin and Continental Growth
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成矿元素的助溶剂主要为CO2,其配合物主要为氯配合物,这些助溶剂和配离子均来自壳幔深部。
Auxiliary agent of ore-forming elements was mainly CO2 , and mineralizing agent was Cl - , and all of them were came from the crust-mantle .
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通过拟合15°&30°内的长周期P波走时及波形资料,得到了华南地区上地幔P波速度结构模型SC。
The waveforms and travel times of long period P phase in the upper mantle range 15 ° - 30 ° have been used to derive upper mantle P velocity structure SC of the Southern China .
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应用N层变密度模型数学模拟法在苏浙皖地区得到了地壳&上地幔的七个界面,与已知资料颇为相符。
Interfaces in the part consisting of crust and upper mantle in Jiangsu-Zhejiang-Anhui area , which accord with interfaces of known data , were found using mathematical simulation method of N-layered variable density model .
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Te值的大小与岩石圈的热结构(热年龄)、壳幔耦合等因素有关。
The size of Te is related to the thermal structure ( the thermal age ) of the lithosphere and crust mantle coupling .
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壳幔Rb-Sr混合等时线及其地质意义
Effect of Crust-Mantle Mixing Environments on Rb-Sr Isochron Age and Its Geological Significance
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进一步研究结果表明,成矿流体中矿化剂∑co2主要来源于中新生代与区域深大断裂有关的幔源脱气作用,同时伴有壳源有机碳来源;
It is indicated that the mineralizer mainly comes from mantle degassing related to the regional deep faults , and part of carbon comes from organic matter in the crust .
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幔型次火山岩主要与黄铁矿型Cu、Pb、Zn多金属矿化有关,属海相火山岩矿床系列。
Subvolcanic rocks of the mantle type related to Cu , Pb and Zn multi-metal mineralization of the pyrite type belong to the series of ore-bearing volcanic rocks of the marine facies .
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利用远震PS转换波波形提取出的接收函数来研究地震台站下方地壳、上地幔速度间断面结构是有效的方法之一[1]。
Using teleseismic PS converted waveform to get Receiver Function is one of efficient methods which can study velocity discontinuity of the crust and mantle structure under seismic station .
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古海洋的Sr同位素组成变化则是地壳和地幔演化以及不同地质历史时期壳-幔相互作用的共同结果。
The variation of Sr isotope in paleo-ocean is regarded as the result of the evolution of crust and mantle and of the crust-mantle interaction in different geological times .
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腾冲火山地热区地壳具有低P波和S波速度、低电阻率、高热流值和低Q值,以及上地幔也具有低P波速度的特点。
The crust of Tengchong volcano-geothermal area is characterized by low P-wave and S-wave velocity , low resistivity , high heat-flow value and low Q value . There is also a feature of low P-wave velocity in the upper mantle .
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上地幔流体在化学成分上明显富含CO2、硫化物、LILE和REE,它引起地幔交代作用和地幔部分熔融;
Mantle fluids are apparently abundant in CO 2 , sulfides , LILE and REE , and they cause mantle metasomatism and partial melt .
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华北克拉通岩石圈地幔置换作用和壳幔生长耦合的Re-Os同位素证据
Removal of lithospheric mantle in the North China craton : Re-Os isotopic evidence for coupled crust-mantle growth
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尽管Pn波品质因子(PnQ)对上地幔流变性质研究及核试验监测有着深刻含义,迄今它仍然是一个难以准确测定的地震参量。
In spite of its profound implications on the upper mantle rheology and seismic verification of low-threshold nuclear test ban treaties , PnQ , the quality factor for Pn wave , remains an elusive parameter to quantify .
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辽河裂谷东侧存在壳内高导层,整个断面上地幔高导层发育,在辽河断陷及朝阳、义县地区反映为上地幔隆起区,在西拉木伦河一带出现落差达50km左右的台阶;
There exists a high & conductivhy layer in the east side of Liao River depression area .
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Piston-Cylinder高温高压实验装置及在壳幔动力学研究中的应用
Piston-Cylinder Apparatus for High Pressure and Temperature Experiments and Its Application in Crust-Mantle Dynamics Research
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本文利用二元混合模型讨论了壳幔物质的不同混合环境对Rb-Sr等时线年龄的影响。
The effect of different crust-mantle mixing environments on Rb-Sr isochron ages is discussed in terms of a two-component mixing model .
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我国土地幔成因角闪石以高铝(一般>2.0)为特征,以TiO2、Cr2O3含量差异相区别,划分为韭闪石和钛角闪石两大类。
Upper-mantle amphiboles from China are commonly characterized by high Al ( > 2.0 ) and distinguished from one another in TiO_2 and Cr_2O_3 . They are divided into two types ( pargasite and kaersutite ) .
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从气体成分、泉口出露地质特征、CO2动态变化规律等,对黄龙钙华的热成因论进行了讨论,认为黄龙地区不具备喷出幔源气体的地质结构。
This paper discusses hydrothermal genesis of the Huanglong travertine based on gas competent , dynamic change in CO_2 and geological features of springs , and believes there is no geological structure related to the extrusion of mantle-derived gas .
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并且,其高频带相关的结构OH含量是146×10-6。透辉石成分的这种特殊性(含有结构OH)恰恰是其特殊的高温高压的幔源生成环境的反映。
The OH concentration of diopside 's high frequency OH band is 146 × 10 - 6 . The compositional speciality ( containing structural OH ) of diopside simply reflects that it was formed in the mantle environment of high temperature and high pressure .
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岩浆来源约30km深处,相当于下地壳或壳幔过渡部位。
The magma origin depth is about 30km , which is equal to the lower crust or crust mantle transition zone .
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Nd、Sr和Pb同位素资料表明,在330~250Ma的后碰撞期间,有大量的幔源花岗岩类和少量的镁铁&超镁铁杂岩在上地壳侵位。
Nd , Sr , and Pb isotopic data indicate that large amounts of mantle-derived granitoids and minor amounts of mafic-ultramafic complexes emplaced in the upper crust during late Carboniferous and Permian times ( 250 to 330 Ma ) .