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常量元素
    The activation analysis of major elements in meteorites by 14MeV neutron
    用14MeV中子活化分析陨石样品中的常量元素
    ATOMIC ABSORPTION DETERMINATION OF 15 MINOR AND MAJOR ELEMENTS IN MARINE AND ESTUARY SEDIMENTS
    海洋及河口沉积物中15种微量及常量元素的原子吸收分光光度法测定
    Determination of Major Elements in Soil by X-Ray Fluorescence Spectrometry
    土壤中常量元素的X射线荧光光谱测定
    Preliminary Discussion on the Activity of Major Elements in Kujiertai Uranium Deposit, Ili Basin
    试论伊犁盆地库捷尔太铀矿床常量元素的活动性
    Modes of occurrence of major elements in coal and their study significance
    煤中常量元素的赋存特征与研究意义
    Major elements Al, K, Mg, Fe, Ti and minor elements Li, V, Sc, La, Z,n, Y, Cu, Ni are enriched in fine-grained sediments, the former are main components to form clay minerals and the latter are generally related to adsorption and integration of fine-grained materials.
    常量元素Al、K、Mg、Fe、Ti和微量元素Li、V、Sc、La、Zn、Y、Cu、Ni等主要富集在细粒沉积物中,前者是粘土矿物伊利石、绿泥石、高岭石和蒙皂石的构成元素,后者多与粘土矿物等细粒物质的吸附或者结合有关。
    The total abundance of 13 major elements represents 99.6% of the mass of the China’s continental crust,and only 0.4% is counted for by numerous minor elements.
    13种常量元素的丰度总和,占中国陆壳质量的99.6%,其余大量微量元素仅占0.4%。
    The regularities found by quantitative calculation are obvious enrichment characteristic for major elements (SiO\-2, K\-2O, FeO) and metallogenic elements (sulphophile elements: Au, Ag, As, Sb, Bi, Pb, Zn) little enrichment trends for transitional elements (Cr, Co, Ni, Cu) in the altered rocks of three gold deposits.
    通过蚀变岩常量元素、微量元素的定量计算发现 ,三个金矿床围岩蚀变过程中元素迁移、富集有明显的规律 ,即常量元素 (SiO2 、K2 O、FeO) ,亲硫元素 (成矿元素 :Au、Ag、As、Sb、Bi、Pb、Zn)明显富集 ,其它亲铜亲铁元素 (Cr、Co、Ni、Cu)略有富集。
    (4)metasomatism of major elements.
    ( 4 )常量元素的交代作用。
    The concentration order of the major elements is HCO-_3>Ca 2+>SO 2-_4>Na+>Cl->Mg 2+>K+, which is controlled by the weathering and erosion of carbonates.
    通过对常量元素的分析表明 ,罗纳河中常量阴阳离子的含量顺序为 HCO-3 >Ca2 +>SO2 -4 >Na+>Cl->Mg2 +>K+,流域内溶解态组份的含量主要受碳酸盐的溶蚀控制。
    The probability distribution of the trace elements Fe, Mn, Zn, Cu, Sr and Ba in the marine organisms collected from the typical Chinese coastal water swere studied and compared with those of major elements Ca and Mg.
    研究了微量元素Fe、Mn、Zn、Cu、Sr、Ba在我国典型海域主要生物类别中的概率分布特征,并与常量元素Ca、Mg进行了比较。
    Correlations among major elements and between major elements and gold indicated K 2O, Fe 2O 3 and Al 2O 3 were coexisting oxides in red clay.
    常量元素之间的相关性以及常量元素与金的相关性分析表明K2 O、Fe2 O3 、Al2 O3 在红色粘土中为共生元素 ;
    In major elements they are enriched in SiO_2,Na_2O and K_2O,and depleted in Fe_2O_3,FeO,MgO and CaO; and in trace elements they are enriched in lithophile elements,and depleted in siderophile elements and Nb,Ta,Ti etc.
    玄武粗安岩、粗面安山岩、英安岩及粗面岩的常量元素以富集SiO2 ,Na2 O ,K2 O和亏损Fe2 O3,FeO ,MgO ,CaO等为特征 ,微量元素以富集亲石元素和亏损铁族元素及Nb ,Ta为特征 ;
    The contents of major elements Fe,Ca,Mg,K and heavy metals Cu,Pb,Zn as well as pH value in the dusts were measured,based on sampling investigating of road dust in 12 representative parks in Beijing.
    通过对北京市12个具代表性公园的道路粉尘取样调查,测定了粉尘中常量元素Fe,Ca,Mg,K及重金属Cu,Pb,Zn的质量分数以及pH值。
    The study on interstratified oxidized zone is usually focused on the behaviors of uranium and related elements, such as Se, Mo, V, Re and Ga, while the major elements including Si, Al, Na, K is not sufficient.
    传统的对控矿层间氧化带的研究往往偏重于铀及其相应的伴生元素 (Se、Mo、V、Re、Ga等 )的地球化学行为 ,而对常量元素中非变价元素如 :Si、Al、Na、K等研究还很不充分。
    Major elements, including Na, Mg, Al, Si, K, Ca , Ti, P, and Fe, are important inorganic compositions of coal. Meanwhile they are the controlling factors both for physical and chemical characteristics of coal and for coal procession and utilization.
    煤中常量元素(包括Na、Mg、Al、Si、K、Ca、Ti、P和Fe)是煤的重要无机组成,也是影响煤物理化学性质及加工利用的主要影响因素。
    The results show that major elements such as Na,K,Mg,Ca,Al and plant vital activities essential trace elements Cu,Fe,Mn,Zn have a different contents orders in these desert plants,and 4 elements contents of Cu,Fe,Mn,Zn are lower than the average contents of other terrestrial plants.
    结果表明,常量元素Na、K、Mg、Ca、Al及植物生命活动所必需的微量元素Cu、Fe、Mn、Zn在3种沙生木本植物中的含量顺序不同,且Cu、Fe、Mn、Zn 4种元素的含量均低于其他陆生高等植物的平均含量.
    The results of determination showed that the major elements Ca,K,Mg,Na and Al,and trace elements essential to plant vital activities such as Fe,Mn,Cu and Zn exhibit different orders in content in the six kinds of desert plants,and the contents of four elements,Fe,Mn,Cu and Zn are lower than the average content of terrestrial plants.
    结果表明,常量元素Ca,K,Mg,Na,Al及植物生命活动所必需的微量元素Fe,Mn,Cu,Zn在六种沙生木本植物中表现为不同的含量顺序,且Fe,Mn,Cu,Zn四种元素的含量均低于陆生高等植物的平均含量。
    Major elements of Tongde granulites are characteristiced with Al enrichment and trace elements are enriched in Ba,Sr,Ce,LREE and relatively depleted in Nb,Ta,Y,Yb,HREE.
    同德麻粒岩岩石地球化学的研究表明,常量元素中富A l,以及Ba、Sr、Ce、LREE的富集和Nb、Ta、Y、Yb、HREE亏损的微量元素分布特征,不具有板内玄武岩的地球化学性质,与活动大陆边缘构造环境有关。
    Based on the X-Ray Fluorescence Spectrometry (XRF) analysis on Carboniferous coal occured in Beihuaiyang area,the northern foreland basin of Dabie Orogenic Belt,the major elements distribution characters and the effecting factors of high rank coals of different deformational-metamorphic types are discussed.
    通过对大别造山带前陆北淮阳地区石炭纪高煤级煤的X射线荧光光谱分析,探讨了不同变形-变质类型煤中常量元素的分布规律及其影响因素。
 

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