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hydrothermal sulfide
相关语句
  热液硫化物
     2. low efficiency with high costs, these methods are not fit for the investigation and the appraisal of the large-scale seabed hydrothermal sulfide;
     2、工作效率低、成本高,不适合大面积的海底热液硫化物勘查与评价;
短句来源
     Morphological and Mineral Standard Type Characteristics of Hydrothermal Sulfide in Three Areas of the Pacific Ocean
     太平洋三海区热液硫化物中黄铁矿的形态标型和矿物标型特征研究
短句来源
     3. cannot effectively find the seabed hydrothermal sulfide ore spot hosted in the base of the detritus, the silt and the volcanic ash.
     3、不能有效地发现赋存在碎屑、淤泥、火山灰之下的海底热液硫化物矿点(床)。
短句来源
     It is shown from the test results that the hydrothermal sulfide sampled from the Esmeralda caldera of the Mariana Island Arc is the representative of high temperature products with a formation temperature of 275 ℃;
     结果表明 :马里亚纳岛弧上的埃斯梅拉尔达破火山口的热液硫化物的形成温度最高 (达 2 75℃ ) ,而成为高温产物的代表 ;
短句来源
     All these characteristics indicate that the acidic lava is maybe the main source of hydrothermal sulfide deposits in the Jade area.
     这些特征表明,Jade热液活动区的热液硫化物矿床的成矿物质来源于下伏的酸性火山岩.
短句来源
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  “hydrothermal sulfide”译为未确定词的双语例句
     MAJOR CHARACTERISTICS AND FORMATION CONDITIONS OF SUPER LARGE SEDIMENTARY HYDROTHERMAL SULFIDE ORE DEPOSITS IN NORTH CHINA
     中国北方超大型热水沉积硫化物矿床基本特征及形成条件研究
短句来源
     The Geochemical and Oxygen Isotope Standard Type Characteristics of Hydrothermal Sulfide in Three Areas of the Pacific Ocean
     太平洋三海区热液烟囱物的地球化学和氧同位素标型特征研究
短句来源
     China boasts two types of arsenic deposits, high/medium temperature hydrothermal sulfide type and low temperature non hydrothermal realgar/orpiment type, associated with the polycyclic geotechtonic magmatic events in East China during a Mesocenozoic period.
     中国砷矿主要分高中温岩浆热液硫砷化物矿床和低温非岩浆热液单硫化物雄黄雌黄矿床,系中国东部中新生代地质多旋回构造岩浆作用下活化的产物
短句来源
     it shows from geological,geochemical,physicochemical and orebody’s characteristics that this ore deposit belongs to hydrothermal sulfide poor vein gold deposit of volcanic postmagma medium low temperature.
     地质、地球化学、物理化学和矿体等特点说明 ,该矿床属火山岩浆期后中 -低温的热液贫硫化物脉金型金矿床。
短句来源
     High temperature hydrothermal sulfide is composed of high temperature hydrothermal minerals rich in metal elements, such as Fe, Zn, Cu, Pb . The oxygen isotope conversion temperature of this kinds of sulfide is very hig h or mid-high.
     高温热液类型的硫化物 ,由高温热液矿物组成 ,除本身富含 Fe,Zn,Cu,Pb等金属元素外 ,氧同位素换算温度也表现最高或中高 ;
短句来源
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  相似匹配句对
     Preparation of Monodispersed Zinc Sulfide Microspheres by Hydrothermal Method
     水热法合成单分散ZnS微球
短句来源
     HYDROTHERMAL SYNTHESIS OF DENDRITE-LIKE ZINC SULFIDE CRYSTALS
     枝蔓晶硫化锌的水热合成
短句来源
     ON HYDROTHERMAL ROCK
     关于热液岩
短句来源
     Hydrothermal Eruption
     水热爆炸
短句来源
     Preparation and Transformation of Sulfide
     硫化物的制备和转化
短句来源
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  hydrothermal sulfide
Solubilities of metallic sulfides and quartz in hydrothermal sulfide solutions
      
Hydrothermal sulfide-oxide-gold mineral assemblages in gold deposits in the Archaean St.
      
The δ34S values of massive sulfide range from 1.0 to 5.3‰ and fall within the range of values observed for modern and ancient seafloor hydrothermal sulfide deposits.
      
This age is considered to date recrystallization of the dolostone host rocks in the halo around the hydrothermal sulfide deposits.
      
Hydrothermal sulfide samples from 13° North East Pacific Rise are studied employing S.E.M.
      
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The famous Xihuashan-Dangping tungsten deposit occurs in the Xihua-shan composite granite body. According to their contact relations, petrology, REE and trace element geochemistry, and isotopio age, the granites of the said body are assigned to two stages: early stage and the late.The porphyritic medium-grained biotite-granite intruded in the early stage has dated at a Rb-Sr age of 15lMa and U-Pb age of 152Ma, while the medium-grained biotite-granite intruded in the late stage gives a Rb-Sr age of 139Ma. The...

The famous Xihuashan-Dangping tungsten deposit occurs in the Xihua-shan composite granite body. According to their contact relations, petrology, REE and trace element geochemistry, and isotopio age, the granites of the said body are assigned to two stages: early stage and the late.The porphyritic medium-grained biotite-granite intruded in the early stage has dated at a Rb-Sr age of 15lMa and U-Pb age of 152Ma, while the medium-grained biotite-granite intruded in the late stage gives a Rb-Sr age of 139Ma. The geological evidence shows that the latter intruded into the former Marginal pegmatoid crust is often found around the contact zone at the apex of the latter and contains micro-pinnate wolframite mineralization. Wolframite-(feldspar)-quartz veins or woiframite-beryl-quartz veins which are the major tungsten mineralization in the study area, all intersect the granites and pegmatoid crust and are in turn cut by ( wolframite) sulfidequ-artz veins and barren quartz veins formed in a later stage. From the pegmatoid to quartz vein, the ΣREE drastically decreases from 332.9-759.53 ppm to 4.24-6.45ppm. At the W-Sn-Be mineralization stage, REE wert-concentrated mainly in wolframite, and the enrichment of HREE was dominant.The evolutionary regularities ot the. formation temperature, salinity, characteristics and composition of fluid inclusions in quartz at different mineralization stages are as follows:The fluid inclusions in quartz at the pegmatoid stage are regular in form, high in gas/liquid ratio, with the gas phase being 40%-50% and include a few gas inclusions. Their formation temperatures range from 410 to 460t (corrected for pressure, the same below), the pressures are from 60 to 100 MPa, the oxygen fugacities are from 10-22 to 10-27 Pa and the salinity of their fluid is 10% (equiv wt% NaCl, the same below) . The fluid inclusions in quartz from the wolframite (feldspar)-quartz vein or wolfram-ite-beryl-quartz vein show an ellipsoidal, negative crystal form and a lower gas-liquid ratio, with the gas phase being 15% to 30%.The formation tempe- ratures range from 310 to 360℃, the pressures from 30 to 60 MPa, the oxygen fugacities from 10-28 to 10-32 Pa, and the salinity is 7 ± 1%. The fluid inclusions from the barren quartz vein of the later mineralization stage are characterized by an irregular form and a low gas/liquid ratio (with the liquid phase being up to 95%). The formation tempertures range from 180 to 230℃, the pressures, from 10 to 30 MPa, the oxygen fugacities, from 10-32 to 10-37 Pa, and the salinity is<5%.The chemical composition of the fluid inclusions from quartz formed at different stages varies regularly. The total of gas components (H2O, CO2, CO, CH4, H2 and N2) in the fluid inclusion from quartz in the late granite is 87.57ppm, that in the late pegmatoid, 803.09ppm, and that in the late wol-framite-(feldspar)-quartz vein or wolframite-beryl-quartz vein 1416.53ppm. The liquid phase in the fluid inclusions of this stage is rich in Na+,K+,Cl-and F-, but poor in Ca2+ and Mg2+.The total of gas components in the inclusions from the barren quartz vein is up to 3528.51ppm (98-99.5% H2O), about forty times higher than that in the fluid inclusions in the quartz from the granite. The, contents of Na+,K+,Cl" and F- in the liquid phase are evidently decreased.The oxygen, hydrogen and carbon isotope compositions of quartz, wolframite and their fluid inclusions of different mineralization stages also change regularly. The δ18O values of quartz of the early pegmatoid stage and the main W, Sn and Be mineralization stage are rather stable and range from +11.3 to + 12.3‰; the δ18O value of wolframite is +5.8‰; that of quartz in intermediate temperature hydrothermal sulfide-quartz vein and barren quartz vein decreases to +5.7%; that of wolframite is +4.4‰; and than of huebaerite in the miarolitic cavity of wolframite-quartz vein reduces to -6.5‰.The δ18OH2O values of mineralizing fluids of the early pegmatoid stage and the mail) W, Sn and Be mineralization stage range from +5‰ to + 7.5%, the δDH2O value is - 61

世界著名的西华山钨矿田产于西华山复式花岗岩体中。本文通过对此岩体中不同期次侵入体的接触关系、同位素地质年代学、岩石、矿物和稀土元素地球化学以及成矿作用过程中流体包裹体温压地球化学等方面进行了较详细地研究,并探讨了西华山复式花岗岩的成岩和成矿作用问题。

The abundance of copper in the Baoshan pelitic, carbonaceous rock sevies from Guiyang, Hunan is much richer than that in the igneous rocks and in the crust. Copper exist in the form of carbon adsorption and solid sol in strata,penetrating into the depth with acid solution to take part in hydrothermal mineralization. Hydrothermal sulfide decomposed by leaching. And a big amount of copper concentrated in the reduced zone, and partly as solid sol or adsorbed by carbon in the pelitic,carbonaceous rock...

The abundance of copper in the Baoshan pelitic, carbonaceous rock sevies from Guiyang, Hunan is much richer than that in the igneous rocks and in the crust. Copper exist in the form of carbon adsorption and solid sol in strata,penetrating into the depth with acid solution to take part in hydrothermal mineralization. Hydrothermal sulfide decomposed by leaching. And a big amount of copper concentrated in the reduced zone, and partly as solid sol or adsorbed by carbon in the pelitic,carbonaceous rock series. At least part of the copper existing in the primary pelitic,carbonaceous rock series took part in the above mentioned geochemical process

湖南省桂阳县宝山泥炭质岩系中铜的丰度大大超过火成岩和地壳,是成矿的重要物质来源。铜以炭质吸附和固溶胶形式赋存于地层中,因酸性水溶液侵蚀而分解析出,并渗入地下深处参加热液成矿作用。热液系硫化矿遭风化剥蚀而解体,大量的铜在还原带富集,部分以固溶胶或炭质吸附存在于泥炭质岩系中。原泥炭质岩系中的铜,至少有一部分参加了上述演化的地球化学作用。

Hydrothermal sulfide sampled from the Mid-Atlantic Ridge in 1988 was rich in loose granular and colloid form pyrite whose morphology, composition and ther-moelectricity characteristics, were studied by authors in their research on the pyrite origin, girdle origin and hydrothermal evolution characteristics. The results suggest that loose granular and colloid form pyrite deposited and formed after the hydro-thermal sulfide and the seawater mixed. These pyrites belonging respectively to different...

Hydrothermal sulfide sampled from the Mid-Atlantic Ridge in 1988 was rich in loose granular and colloid form pyrite whose morphology, composition and ther-moelectricity characteristics, were studied by authors in their research on the pyrite origin, girdle origin and hydrothermal evolution characteristics. The results suggest that loose granular and colloid form pyrite deposited and formed after the hydro-thermal sulfide and the seawater mixed. These pyrites belonging respectively to different minerogenetic stages of the consolidated granular pyrite, reflected the mul-tiple stage minerogenetic characteristics of hydrothermal activities. Colloid form pyrite girdles and microgirdles were formed by recrystallization after pyrite colloid had deposited. Concurrence of loose granular and colloform pyrites are the characteristics of the stopped-active chimney.

大西洋中脊热液硫化物(矿床)中广泛出现松散粒状和胶状黄铁矿,利用1988年所采样品通过其形态、成份和热电性质的研究,对这种黄铁矿的成因、环带成因和热液演化特征进行初步探讨。结果表明,松散粒状和胶状黄铁矿是热液进入海底与海水混合后沉积形成,与固结粒状黄铁矿分属不同矿化阶段(期),反映热液活动的多阶段成矿特征;胶状黄铁矿环带和微环带是黄铁矿胶体沉淀后重结晶作用形成的;松散粒状黄铁矿和胶状黄铁矿同时出现是已经停止活动的烟囱物特征。

 
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