The researchers are analyzing the chemical makeup of earlier and later coal deposits for measures of ancient carbon dioxide, temperature, rainfall and other variables.
为了测算出远古时候的二氧化碳、温度、降雨量和其他一些参数，研究人员正在分析早期和晚期煤炭矿床中的化学成分。
Other specialized chemical washes may be used in the remedial treatment of scales or paraffin deposits in production tubulars.
其它的特殊的化学冲洗剂可用于对生产管中的水垢或石蜡沉积进行补救性处理。
Based on the analysis and research of AGB granite rock texture, mineral composition, chemical components, we explore the evolution of granitoids and tantalum lithium deposits relationship.
从雅山花岗岩岩石结构构造、矿物成分、化学成分等变化规律分析研究入手，探讨雅山花岗岩类的演化与钽锂矿床成生关系。
To exploit and utilize comprehensively the liquid dePOSitS in Sichuan basin will mitigate chinese lack of potash resource and will provide many chemical productS that in short supply.
综合开发利用四川盆地液态钾矿，将缓解我国钾盐资源不足并能提供多种紧缺化工产品。
To exploit and utilize comprehensively the liquid dePOSitS in Sichuan basin will mitigate chinese lack of potash resource and will provide many chemical productS that in short su…
综合开发利用四川盆地液态钾矿，将缓解我国钾盐资源不足并能提供多种紧缺化工产品。
Experiment and theoretical analyses of chemical kinetics and thermodynamics on sandstone copper deposits in Meso-Cenozoic Diwa basins in South China are ptesented in this paper.
对我国南方中新生代地洼盆地中的砂岩铜矿床进行了化学动力学与热力学的理论与实验研究。
Chemical kinetics and thermodynamics of copper minerals constrain that chalcocite is main and ore zoning form in sandstone copper deposits.
铜矿物的化学动力学和热力学制约了砂岩铜矿中以辉铜矿为主及矿床分带的形成。
According to the ore-forming depth and condition of physical-chemical, these deposits may be classified into three class: deep-zone type, mesozone type and epizone type.
依矿床形成深度和物理化学条件等差异，将其划分为深部带型、中部带型和浅部带型三亚类。
The major metal resources are Hg-Sb, Pb-Zn and Au deposits, which are different but correlative in source materials, physical-chemical conditions and the characters of mineralizing fluid.
它们在物质来源、成矿物化条件和成矿流体性质等方面既有联系又有差异。
The major metal resources are Hg-Sb, Pb-Zn and Au deposits, which are different but correlative in source materials, physical-chemical conditions and the characters of mineralizing fluid.
它们在物质来源、成矿物化条件和成矿流体性质等方面既有联系又有差异。
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