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geochemical
相关语句
  地球化学
     Study of Soil Environmental Geochemical Baseline in Panzhihua Region
     攀枝花地区土壤环境地球化学基线研究
短句来源
     The Molecular Organic Geochemical Study of Paleo-To Neoproterozoic (1.8-0.85GA) Sediments from Jixian Strata Section, North China
     蓟县剖面元古宙沉积物(1.8-0.85Ga)的分子有机地球化学研究
短句来源
     Geochemical Studies of Petroleum Accumulation of Hade 4 Oil Field
     哈得4油田成藏地球化学研究
短句来源
     Study of Enviromental Geochemical Baseline of Pollutional Heavy Metals in Surficial Soil of Guiyang, Guizhou
     贵阳市表层土壤重金属污染元素环境地球化学基线研究
短句来源
     Studies on the Relationship between Soil Environmental Geochemical Factors and Uptake of Aluminum from Soil into Tea Leaves
     茶园土壤环境地球化学因素与茶叶从土壤中吸收铝的关系研究
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  “geochemical”译为未确定词的双语例句
     Minerals Positioning Prediction by Integrating RS and Geochemical Information for Western High and Cold Mountainous Areas
     西部高寒山区遥感与化探信息综合找矿定位预测研究
短句来源
     Study on the Techniques and Methods for the Geochemical Anomaly Verification in Swamp-Forest Areas, Northeast China
     我国东北森林沼泽区化探异常查证方法技术研究
短句来源
     Once-Through Spectrography Using Spectrographic powder Arc Method with Simultaneous Determination of 19 Trace Elements in Samples Obtained from Regional Geochemical Surveys
     光谱粉末电弧法一次摄谱同时测定区域化探样品中19个微量元素
短句来源
     Extraction-Spectrophotometric Determination of Microamount of Antimony with 5-Br-PADAP in Geochemical Sample
     5-Br-PADAP萃取光度法测定化探样品中的微量锑
短句来源
     Polarographic Determination of Copper, Lead, Nickel and Cobalt in, Geochemical Samples
     化探样品中铜、铅、钴、镍的极谱测定
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  相似匹配句对
     Geochemical Logging
     地球化学测井
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     GEOCHEMICAL POTENTIAL
     地球化学位
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  geochemical
Geochemical characteristics and zircon U-Pb isotopic ages of island-arc basic igneous complexes from the Tianshui area in West Q
      
The geochemical characteristics of intermediate-basic igneous rocks indicate that they belong to a tholeiite suite.
      
Geochemical tracing analysis shows that the Nd model ages of Paleozoic supercrustal rocks in the four blocks are dominantly Mesoproterozoic, while those of Mesozoic granites are mainly Neoproterozoic.
      
Geochemical characteristics of sediment pore water from Site XS-01 in the Xisha trough of South China Sea and their significance
      
In this paper, we present geochemical analyses for the sediment and pore water from a piston core at Site XS-01 in the Xisha trough.
      
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A Geochemical field method for the determination of traces of molybdenum

本文叙述了测定土壤中微量钼的地球化学野外方法。土壤样品用硫酸及硝酸混合液浸溶,以代替碳酸盐-硝酸盐溶融的方法。讨论了有机物质、铜及其他各种干扰及测定时的条件,从而简化了分析手续,直接在浸提液中用硫氰化钾法测定钼。整个操作系在试管中进行,一个三人小组每日可进行约150个测定。与实验室方法比较的结果,证明此法在地球化学探矿工作中是适用的。此法测定钼含量的范围为1至40ppm,对分析步骤稍作更动,可使测定范围增加至400ppm,如果需要尚可增至4000ppm。尚未试验本法是否适用於测定岩石中的微量钼。

The Earth crust of southeastern China underwent the multiple-periodic intense orogenisms, namely, the Shuehfengian, the Caledonian, the Indo-Sinian, and the Yenshanian orogenic movements, accompanied by the formation of the granitic rocks of the corresponding geological ages, and these granitic rocks are distributed along different structural systems in the corresponding tectonic zones. A brief outline is given about the petrographical, petro-chemical, and geochemical characteristics, and their distinct...

The Earth crust of southeastern China underwent the multiple-periodic intense orogenisms, namely, the Shuehfengian, the Caledonian, the Indo-Sinian, and the Yenshanian orogenic movements, accompanied by the formation of the granitic rocks of the corresponding geological ages, and these granitic rocks are distributed along different structural systems in the corresponding tectonic zones. A brief outline is given about the petrographical, petro-chemical, and geochemical characteristics, and their distinct trend of progressive evolution of the granites of different ages, as well as their different metallo-genetic relations to certain mineral deposits. Results of the present researches show that the areas characterized by the development of multiple-cyclic and multiple-staged granite bodies are most favorable for tungsten, tin, and other related metallic mineralizations, which almost invariably are associated with small granite bodies of younger ages and latest stages. It is inferred that, in the long course of time, the multiple-periodic and multiplestaged granitizations cause the ore-forming elements, such as, tungsten, tin, beryllium, niobium, tantalum, etc. to be leached out from the crustal materials in deeper levels and to be successively and continuously concentrated in the small granite bodies in the upper levels, finally resulting in the formation of mineral deposits.

本文所阐述的中国东南部地壳系经历过雪峰期、加里东期、印支期和燕山期等多时代强烈构造运动,并相应地形成各时代的花岗岩类。它们在各期构造带中循构造体系作有规律地分布。文中对各不同时代花岗岩类的岩石学、岩石化学、地球化学和成矿专属性等方面的特征及其明显的前进演化关系进行了扼要地叙述。研究资料表明,多时代花岗岩发育的地区,往往对钨、锡等金属成矿最为有利,并且其矿化经常与晚期或晚阶段花岗岩相联系,此乃多期、多阶段的花岗岩化的过程中,促使钨、锡等成矿元素不断从岩石中浸出向上富集的结果。

The Earth crust of southeastern China underwent the multiple-periodic intense orogenisms,namely,the Shuehfengian,the Caledonian,the Indo-Sinian, and the Yenshanian orogenic movements,accompanied by the formation of the granitic rocks of the corresponding geological ages,and these granitic rocks are distributed along different structural systems in the corresponding tectonic zones.A brief outline is given about the petrographical,petro-chemical,and geochemical characteristics,and their distinct trend of...

The Earth crust of southeastern China underwent the multiple-periodic intense orogenisms,namely,the Shuehfengian,the Caledonian,the Indo-Sinian, and the Yenshanian orogenic movements,accompanied by the formation of the granitic rocks of the corresponding geological ages,and these granitic rocks are distributed along different structural systems in the corresponding tectonic zones.A brief outline is given about the petrographical,petro-chemical,and geochemical characteristics,and their distinct trend of progressive evolution of the granites of different ages,as well as their different metallo-genetic relations to certain mineral deposits.Results of the present researches show that the areas characterized by the development of multiple-cyclic and multiple-staged granite bodies are most favorable for tungsten,tin,and other related metallic mineralizations,which almost invariably are associated with small granite bodies of younger ages and latest stages.It is inferred that,in the long course of time,the multiple-periodic and multiplestaged granitizations cause the ore-forming elements,such as,tungsten,tin,beryl- lium,niobium,tantalum,etc.to be leached out from the crustal materials in deeper levels and to be successively and continuously concentrated in the small granite bodies in the upper levels,finally resulting in the formation of mineral deposits.

本文所阐述的中国东南部地壳系经历过雪峰期、加里东期、印支期和燕山期等多时代强烈构造运动,并相应地形成各时代的花岗岩类。它们在各期构造带中循构造体系作有规律地分布。文中对各不同时代花岗岩类的岩石学、岩石化学、地球化学和成矿专属性等方面的特征及其明显的前进演化关系进行了扼要地叙述。研究资料表明,多时代花岗岩发育的地区,往往对钨、锡等金属成矿最为有利,并且其矿化经常与晚期或晚阶段花岗岩相联系,此乃多期、多阶段的花岗岩化的过程中,促使钨、锡等成矿元素不断从岩石中浸出向上富集的结果。

 
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