geochemical

Using tendency analysis method to deal with geochemical data based on the surfer software

Surfer软件中利用趋势面方法圈定化探异常

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The potential of such a primary geochemical survey is demonstrated.

这类区域性的地球化学测量显示出它的有效性.

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Crude oil analyses, such as group compositions, carbon isotopes and gas chromatograms of saturated hydrocarbon, as well as characteristics of terpane, sterane and other biomarkers, indicate that crude oil in Yanchang-Yan'an Formations in Ansai-Fuxian area have similar geochemical behaviors and are of low-mature-mature oil.

原油族组成、碳同位素、饱和烃气相色谱及萜烷、甾烷等生物标志化合物特征分析显示，鄂尔多斯盆地安塞-富县地区延长组-延安组原油地球化学特征相近，为低成熟-成熟原油。

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Each of them has its own formative mechanism and geochemical features.

它们的形成机理和地质地化特征不同.

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The variations found are attributable to well-defined geochemical processes.

已知的各种变化都属于一定的地球化学过程.

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This paper briefly introduces the geochemical nature of vanadium, selenium, molybdenum elements.

摘要本文简要介绍了钒 、 硒 、 钼的地球化学性质.

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Ecological Geochemical Assessment of Heavy Metal Element in Plane East of Hebei

冀东平原重金属元素生态效应地球化学评价

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The geochemical negative anomaly exists wide.

地球化学负异常的存在具有普遍性.

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Geochemical methods may be linked judiciously with other techniques.

地球化学方法应同其它方法有机地结合起来.

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Through temperature survey and geophysical and geochemical remote sense information analysis, it is regarded that there is a SN-NE geothermal abnormal belt in Yuncheng county.

通过地温调查及物化遥感勘探资料的分析，推断郓城县城区存在一SW&NE向的地热异常带。

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The correct utilization of geochemical methods can yield satisfactory ore-prospecting results.

正确运用地球化学方法找矿效果显著.

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Methodology of temporal_ spatial structure of geochemical fields

地球化学场时-空结构分析的方法体系

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Geochemical Distribution Characteristics of Different Land Form Types in Loess Hilly Areas

黄土丘陵区不同地貌类型地球化学分布特征

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Class B: liquid mineral exploration; geochemical exploration.

乙级: 液体矿产勘查; 地球化学勘查.

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The terrestrial heat flow measurement, isotope and geochemical techniques have been systematically applied to the geothermal systems in Jiangxi Province.

在江西省进行了大地热流测量，并对江西境内的水热系统进行了系统的同位素和地球化学研究。

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This paper applies model distinguishing technique to geochemical exploration of oil and gas and gives the logic diagrams of the technical method with the aid of a typical example.

油气化探利用地球化学方法寻找油气，具有直接、快速、有效、成本低的特点，已在油气勘探实践中取得了较好的效果，并在一定时期得到了较为广泛的应用。

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Geochemical and tectonic analysis of the Mesozoic and Cenozoic hydrocarbon source rocks in the Hefei Basin

合肥盆地中&新生界烃源岩地球化学与构造背景分析

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Experimental investigation on variation of geochemical compositions of natural gas during diffusion under stratigraphic condition

地层条件下天然气扩散过程中地球化学组分变化的模拟实验研究

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Sample drilling technology is an indispensable technical measurement to regional map-drawing, geophysical and geochemical sampling, paleomagnetism sampling, geological calamity early warning and prevention and control, project site survey.

取样钻技术是区域地质填图、物化探取样、古地磁取样、地质灾害预警防治和工程勘察等必不可少的技术手段。

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The geochemical study shows that the rock is S-type granite, belonging to the calc-alkaline suite.

地球化学特征研究结果表明,嘎若岩体属于钙碱性岩系,为S型花岗岩.

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This makes geochemical prospecting turn from the study of seeping "trace" and halo anomalies of hydrocarbons in near surface to a direct research and prediction of the target distribution.

使油气化探工作从近地表研究油气渗逸痕迹和晕圈异常进而预测目的层在平面上的位置转向直接对目的层进行研究和预测。

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Comprehensive geochemical surveys are analysed.

广义的地球化学普查需要分析.

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Class C: geochemical exploration.

丙级: 地球化学勘查.

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In geochemical analysis we encounter ranges of analyte concentration that can span several orders of magnitude.

在地球化学分析中,我们常常会遇到拟分析元素含量范围可以跨越好几个数量级的情况.

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Geochemical significance of light hydrocarbon composition in source rocks of a test well

某井生油岩中C1&C7轻烃组成的地球化学意义

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A fast and convenient remote sensing method of geochemical exploration is proposed.

提出了快捷方便的遥感化探工作方法.

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A variety of geochemical exploration data can be processed in the Microsoft Excel, such as: test of normality;

利用Excel可以实现对化探数据多种项目的处理，如正态性检验；

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This paper deals with the relation between tectonic evolution and geochemical facies by a new method of measuring redox potential of sedimentary rocks.

本文用测量沉积岩氧化还原电位的新方法，研究了构造发展演化与地球化学相的关系。

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Rapid determination of As, Sb , Bi, Hg in geochemical sample by HG AFS was researched.

本文研究了在王水分解样品后的同一份溶液中采用氢化物原子荧光光谱法连续测定砷 、 锑 、 铋 、 汞的方法.

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Geochemical prospecting remains in the realm of the naturalist.

地球化学普查仍停留在自然王国.

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