玄武
- Basalt;tortoise;seven of the lunar mansions in the Northern sky;(of Taoism) God of the Northern sky
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(1) [tortoise]∶指乌龟
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(2) [seven of the lunar mansions in the Northern sky]∶二十八宿中北方七宿的合称
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(3) [(of Taoism) God of the Northern sky]∶道教所崇奉的北方之神
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另一类由玄武质岩浆底侵下地壳时发生部分熔融或下地壳拆沉作用成因(C型)。
The C-type adakite is formed by the partially melting of basaltic lower crust under the continental accretion setting or the delamination of lower crust .
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并据此提出了铁质来源与磁铁矿的成矿作用的新观点,指出Fe质源自于形成岩体的富钠高铁的玄武岩浆;
Based on above facts , a new viewpoint concerned with origin of iron materials and mineralization of magnetite is established .
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福建龙海明溪两区玄武质火山岩钾-氩年龄和Nd、Sr、Pb同位素
Nd , sr , Pb isotopes and K-Ar age of basaltic rocks in Longhai and mingxi , Fujian Province
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对拖网采自马里亚纳海槽热液活动区(18°N附近)的8个玄武质岩石样品进行岩石地球化学初步研究。
This paper reports the result of a petrological geochemistry study of eight basaltic samples from the Mariana Trough hydrothermal activity regions ( near 18 ° N ) .
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利用数字摄影测量所得到的南京市玄武湖地区的数据,论文论述了通过GIS,将这些数据用于虚拟城市构建的案例研究。
It also discusses a case study of the XuanWu Lake area of Nanjing with the utilization of data from digital photogrammetry through GIS into virtual city construction .
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其中重点讨论了基于AJAX技术实现玄武区政府应用系统资源的整合与展现。
The integration and display of Xuanwu authority information resources on the basis of AJAX is mainly discussed in the dissertation .
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V-Ti磁铁矿矿床的形成于高Ti玄武岩浆有关,主要受控于岩浆的分离结晶作用;
The V-Ti-magnetite deposits are associated with the high-Ti basaltic magmas and related to fractional crystallization .
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扬子地台西缘盐边群玄武质岩石地球化学特征及SHRIMP锆石U-Pb年龄
Geochemistry and SHRIMP U-Pb Zircon Chronology of Basalts from the Yanbian Group in the Western Yangtze Block
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CCSD主孔高Ti榴辉岩非耦合的高Ti、低Nb(Zr)特征:对玄武质岩浆房中磁铁矿分离结晶作用的指示
Decoupled high-Ti from low-Nb ( Zr ) of eclogites from the CCSD : Implications for magnetite fractional crystallization in basalt chamber
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江西中西部地区白垩纪玄武质岩石的~(40)Ar/~(39)Ar年代学和地球化学研究
~ ( 40 ) Ar / ~ ( 39 ) Ar geochronology and geochemistry of Cretaceous basaltic rocks for the central and northwestern Jiangxi Province
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借助于GM(1,N)群模型,建立了玄武湖灰色动态模型并对水质因子作了趋势预测。
Based on the GM ( 1 , N ) group models , a dynamic system model is established and the factors of water quality of the system are predicted .
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SZ地区HA凹陷阜二段七尖峰泥灰岩段的玄武岩层已被证实可作为有利储层。
The basalt reservoir in seven-apex marlstone section of E1 f2 in HA Depression of SZ Region is proven as a beneficial reservoir .
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母岩浆为是MgO含量较高的玄武质岩浆,MgO含量为9.42%。
The parental magma is basaltic magma , and its content of MgO is a little high , the content of MgO is 9.42 % .
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南京玄武湖隆腺溞(Daphniacarinata)牧食对浮游植物的影响
Effects of Daphnia carinata grazing on the phytoplankton of Lake Xuanwu , Nanjing
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本文对在峨眉山玄武岩省中新发现的苦橄质岩石及其共生玄武岩的地球化学特征进行了研究,结果表明,除苦橄质岩石外,与其共生的玄武质岩石均属高Ti玄武岩。
The geochemical characteristics of the picritic rocks that we discovered recently and their associated basalts show that except the picrites , all the associated basaltic rocks belong to the high-Ti type .
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主要元素、稀土微量元素和Sr、Nd同位素的特征表明:绿钙闪石巨晶是碱性玄武岩浆在地幔条件下的结晶产物;
Their major element , REE and Sr and Nd isotope geochemical features indicate that the hastingsite megacrysts are the product of crystallization of alkali basaltic magma in the mantle .
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本文介绍了CIS及其意义,并以南京著名旅游景区玄武湖公园为例,进行了CIS导入景区规划的论述。
This essay introduces CIS and its significance , takes Xuanwu lake as an example . And introduces CIS into the designing of scenic spots plan .
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采用玄武三号栓-盘式摩擦磨损试验机研究了纳米TiO2和硅烷偶联剂改性玻璃纤维织物的摩擦磨损性能;
The friction and wear properties of the glass cloths reinforced with nano-TiO_2 and modified with silicon coupling agent ( KH560 ) were studied using a pin-on-disk friction and wear tester .
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捕虏晶发育的环状裂隙、扭折带、矿物成分环带以及捕虏晶与主岩Mg值之间的不平衡均暗示它们为玄武质岩浆上升捕获的早期岩浆晶出矿物的堆晶体。
The circle cracks , kink bands , composition zoning , and equilibrium of Mg # values between olivine xenocrysts and host basalts imply that the xenocrysts could be the earlier magmatic cumulate caught by the host basaltic magmas .
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景观与旅游区AVC评价量化模型&以玄武湖景观区总体规划为例
The Evaluation Quantization Model of Landscape Area and Tourism Destination & Taking the Overall Planning of Xuanwu Lake Scenic Area as Example
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大别造山带东部假玄武玻璃及其围岩的K-Ar和~(40)Ar-~(39)Ar年龄及地质意义
K-Ar and ~ ( 40 ) Ar - ~ ( 39 ) Ar Ages of Pseudotachylites and Their Wall Rocks from the Eastern Dabie Mountains and Their Implications
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在内带发育幔源型碱性玄武岩浆演化系列的基性&中酸性侵入岩,伴生有矽卡岩型Cu、Fe、S、Au矿床。
In the inner belt , there are mantle derived basic to intermediate acid intrusive rocks resulting from the evolution of alkaline basaltic magmas , in which there occur skarn Cu , Fe , S and Au deposits .
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其中,玄武岩和玄武粗安岩的w(SiO2)低于54.4%(下陆壳平均值),表明它们应源于地幔,而非陆壳;
SiO_2 contents in basalts and basaltic trachyandesites are lower than the average of lower continental crust ( 54.4 % ), suggesting that basalts and basaltic trachyandesites were originated from the mantle rather than the continental crust .
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本文通过计算不同构造环境的原生玄武岩岩浆密度,首次提出了两种原生玄武岩浆密度类型:岛弧玄武岩浆(AB)密度类型(Ⅰ);
The paper has calculated magma density of basaltic rocks from various tectonic settings . It firstly suggested that two types of magma density : ⅰ density type of primary basaltic magmas in Arc Regions ;
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富Nb玄武质岩富钠贫钾,具有微弱负-正Ba、Nb和Ti异常以及高的Nb/La比值,不同于大多数正常岛弧玄武岩。
The NEBs are sodium-rich but potassium-poor , and differ from the vast majority of normal arc basalts in their higher Nb / La ratios and minor negative to positive anomalies in Ba , Nb and Ti .
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它是大陆地幔低度部分熔融产生的碱性玄武岩浆,通过深部AFC混合,尤其是浅部结晶分异机制形成的。
They are formed from alkali basaltic magma that slightly melted out of continental mantle by AFC mixing in depth , especially by the fractional crystallization in shallow horizon .
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因此,天山北部地区石炭纪埃达克岩-高镁安山岩-富Nb玄武质岩组合表明:(1)天山北部地区石炭纪可能为岛孤环境而非裂谷环境;
Therefore , the Carboniferous adakite-high-Mg andesite-NEB suites in the Northern Tianshan area suggest that : ( 1 ) in the Carboniferous , the Northern Tianshan area was in an arc rather than continental rift setting ;
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MA型可分为玄武质岩浆结晶(BMA)亚类和超镁铁质岩浆结晶(UMA)亚类。
The MA type is further divided into two subtypes of basaltic magma crystallization ( BMA ) and ultramafic magma crystallization ( UMA ) .
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玄武湖隧道工程是我国第一条国内湖底隧道,地质条件复杂,开挖深度达10m。
The Xuanwu Lake tunnel is the first tunnel under lake of our country . The geological conditions of the tunnel foundation are very complicated and the excavation is 10 meters deep .
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结果表明,玄武岩盖层下空气的CO2浓度具有双向变化梯度与明显的季节变化,而第三系盖层下随深度递减且季节变化不显著;
The results demonstrate that CO 2 concentration in air under the basaltic cover shows obvious seasonal variation and a two way variation gradient , while in air under the Tertiary cover , the concentration decreases with depth without obvious seasonal variations .