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geochemical elements
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  地球化学元素
     CHARACTERISTIC DISTRIBUTION BELT OF POTASSIUM IN ROCKS AND TRANSPORT MECHANISM OF GEOCHEMICAL ELEMENTS
     岩石中钾的分布特征带及对地球化学元素迁移机理的探讨
短句来源
     According to the characteristics of geochemical elements, 11 geochemical intervals are identified.
     根据地球化学元素特征划分了11个地球化学段。
短句来源
     Based on the detailed field investigation in Fenwei basin, the three typical high-resolution Holocene DXF-N, NSC and HXZ loess-palaeosol profile were studied by the proxy climatic data of grain-size, magnetic susceptibility, TOC, CaCO_3 and geochemical elements.
     本研究基于详细的野外考察,分别在汾渭盆地东部的运城盆地、关中盆地东部和西部古遗址周围选择了夏县DXF-N、华县NSC和武功HXZ三个典型的全新世黄土-土壤剖面。 对黄土-土壤剖面进行了粒度、磁化率、地球化学元素、TOC和CaCO_3等环境代用指标的室内实验分析和测定。
短句来源
     Based on the geochemical data of regional drainage sediments(scale 1∶200 000)and the spacial and internal relations among the geochemical elements,element assemblages and the definite dimension of geological bodies,about 30 elements were grouped into two kinds:genetic classification of anomalies and geological classification of elements,and the element anomaly and element assemblage anomaly were divided into different genetic types.
     据 1∶ 2 0万区域水系沉积物地球化学成果资料 ,以地球化学元素与元素组合同具有一定规模地质体之间的空间与内在关系为准则 ,将 30多种元素分为两个大类 ,继而对元素或元素组合的异常划分为不同成因类型 ,评定它们在研究区域地质与找矿中的实际意义。
短句来源
     The research of the law of geochemical elements distribution is important to realize the law of enrichment and spatial variation of elements.
     地球化学元素分布规律的研究是揭示元素矿化富集及空间变化规律的重要途径之一。
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  地球化学元素的
     Analyses of 14 C dating, δ 13 C, granularity and geochemical elements reveal that the north bank of the Yangtze River of the Nanjing area should be in warm-humid climate periods at 5120 a BP, 6240 a BP and 8914 a BP, but maybe relative cold-dry climate periods at 8523 a BP and 6520 a BP.
     来自1 4C、δ1 3C、粒度和地球化学元素的分析表明,南京江北地区在5 12 0 a BP、6 2 4 0 a BP、4 84 0 a BP和8914 a BP是气候相对暖湿期,而85 2 3a BP和6 5 2 0 a BP可能对应的是相对干冷的气候。
短句来源
     PALEOCLIMATIC SIGNIFICANCE OF GEOCHEMICAL ELEMENTS FROM THE LACUSTRINE SEDIMENTS OF BARKOL LAKE, XINJIANG SINCE LAST 500 YEARS
     近500年来新疆巴里坤湖相沉积物地球化学元素的古气候意义
短句来源
     Through X-diffraction atlas for qualitative and quantitative analysis of loess-paleosol,through geochemical elements' analysis and magnetic susceptibility's measuration can resuming the climate and environment of the HuaiHe source area since the middle Pleistocene and hope to educing the rule for forecasting the change current of this area.
     研究区内分布有大量中更新统的黄土—古土壤,通过X衍射图谱对黄土—古土壤中的矿物进行定性、定量的分析; 通过黄土—古土壤中地球化学元素的分析以及磁化率的测定,对淮河源区中更新世以来的气候环境进行恢复重现,并期望从中得出气候环境变化的规律,对这一地区今后的变化趋势作出预测。
短句来源
     According to the stratigraphic classification based on the cores from well HR_(88-01) of Huirou, the paper systematically deals with the changes of the fossil assemblage types of sporopollen, ostracods and mollusks and assemblages of heavy minerals, clay minerals and some geochemical elements and analyzes the paleoclimate types represented by them.
     本文在怀柔HR88—01孔岩心地层划分的基础上,较系统地论述了上新世—晚更新世地层中所含孢粉、介形虫、软体化石的组合类型,重矿物、粘土矿物和部分地球化学元素的组合变化特征,并对其所代表的古气候环境进行了分析。
短句来源
     Studies on the nourishing properties of geochemical elements in Antarctic mosses and lichens show that potassium and calcium were the most active elements,while phosphorous was accumulated in the middle part of lichen cells,and participated in organic synthesis.
     研究南极苔藓地衣中地球化学元素的营养富集特征 ,发现K、Ca为苔藓地衣中最活跃元素 ,主要以主动吸收的方式累积于苔藓地衣植物中 ;
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  “geochemical elements”译为未确定词的双语例句
     (2) Most of the abnormal distribution of Geochemical elements are along concealed fault or appear at fault crossing . This geochemical elements contain Hg、 As、B、 Bi、 Sb in soil and K、F、Na、H_2SiO_3 in water.
     (2) 土壤地球化学元素Hg、As、B、Bi、Sb和水地球化学K、F、Na、H_2SiO_3的含量异常大都沿着隐伏断层呈串珠状分布,或者出现在隐伏断层的交汇处。
短句来源
     STATISTIC ANALYSIS OF GEOCHEMICAL ELEMENTS ANDDEEP MET ALLOGENIC FORECASTING OF WENYUGOLDDEPOSIT
     文峪金矿元素地球化学统计分析及深部预测研究
短句来源
     The fluctuations of geochemical elements show that those with the same or similar geochemical nature fluctuated identically.
     近7.0-0.73MaBP期间沉积物地化元素含量波动特征表明,具相同或相近表生地化性质的元素含量波动呈现大致相同的特征。
短句来源
     By using the "C-A"(concentration versus area) multifractal method,20 geochemical elements of stream sediments have been studied in Gejiu area,Yunnan.
     应用多重分形的“C-A”模型(即含量-面积)方法,对云南个旧地区的水系沉积物样品的20项元素进行了研究分析。
短句来源
     And we have found a group of geochemical elements affecting the properties, ie, Co, Mo, P, K, and discovered that the soil's pH has a negative correlation with Vc and total glucose of vegetable and a positive correlation with amino acid and cellulose.
     笔者发现了一组影响蔬菜品质特征的元素: Co、Mo、P、K; 发现土壤的pH值与蔬菜的Vc含量和总糖含量呈负相关, 同时与氨基酸和粗纤维则呈正相关。
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  geochemical elements
The distribution and transport patterns of SPM and geochemical elements strongly indicate that continental sources and cross-shelf transport modulate ECS particulate matter in summer.
      
To quantify the spatial distribution of geochemical elements, the multifractality indices for Zn, Cu, Pt, Pd, Cr, Ni, Co, Pb, and As in lake-sediment samples in the Shining Tree area in the Abitibi area of Ontario are determined.
      
This method is applied to Au data and Ag data, but also suited for other geochemical elements data or geological data.
      
The fractal dimension is a parameter which can quantitatively explain the variation of geochemical elements data on some orientation.
      
X-ray fluorescent spectroscope analysis easily finds ratios of geochemical elements in soil.
      
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The northern plain of the Bohai bay had, in the Holocene time, a great change in depositional environments and climats, which led to quite different distributions of the geochemical environments and geochemical elements.The content of Fe, Mn, Gu, Zn, Ni, B, Rb was lower in Early Holocene than Ca and Mg, easily movable element.In Middle Holocene, these elements in question increased in the concentration with the temperature getting warm and with transgression and weathering intensive. By the...

The northern plain of the Bohai bay had, in the Holocene time, a great change in depositional environments and climats, which led to quite different distributions of the geochemical environments and geochemical elements.The content of Fe, Mn, Gu, Zn, Ni, B, Rb was lower in Early Holocene than Ca and Mg, easily movable element.In Middle Holocene, these elements in question increased in the concentration with the temperature getting warm and with transgression and weathering intensive. By the end of this period, these elements have turned lower in the concentration than Ca, Mg and CaCO_3. Due to a variety of material resources, the content of Fe, Mg, Ca, Mg and CaCO_3 in the Luanhe alluvial plain may he lower than those in the Jiyunhe and Chaobaihe plain.

本文根据钻孔岩芯化学分析资料,研究了华北平原北部全新世沉积地层中化学元素Fe、Mn、Ca、Mg、Cu、Ni、Zn、B等以及CaCO_3的分布,它们的迁移和积累受制于气候条件,沉积环境以及海洋等多种因素的控制。在全新世早、中、晚三个沉积阶段中,元素Ca、Mg以及CaCO_3的含量具有高—低—高的分布特征,而元素Fe、Mu、Cu、Ni、Zn和B则表现出低—高—低的变化趋势。

To establish a structural system by use of the geomechanical method in study-ing the structures of an ore field, it is necessary first of all to ascertain the entirehistory of the activity of the ore field structures in connection with the data of theregional geology of the ore field. As the manners of dynamic processes were differ-ent in multiple structural activities, the structural system that controlled the forma-tion of ore deposits is established by means of determining that the metallogenicepoch is mainly...

To establish a structural system by use of the geomechanical method in study-ing the structures of an ore field, it is necessary first of all to ascertain the entirehistory of the activity of the ore field structures in connection with the data of theregional geology of the ore field. As the manners of dynamic processes were differ-ent in multiple structural activities, the structural system that controlled the forma-tion of ore deposits is established by means of determining that the metallogenicepoch is mainly related to the structural activity of which dynamic process. Inprospecting and exploration work, one should pay attention not only to the study ofthe structural system during the metallogenic epoch but also to the study anddetermination of pre-ore stuctural systems. Based on the study of the structural system of a certain ore field, this papermainly discusses the variations in material components, geochemical elements andmorphology of minerals caused by multiple structural activities: and the structuralactivity in the metallogenic epoch on the basis of the pre-ore structural systemwere simulated throush experiments by photoelastic methods. It is considered thatthe framework of pre-ore structural systems not only controlled or influenced thedistribution of ore deposits, but also brought about variations of the composition ofpre-ore tectonite, which usually created favomable conditions for mineralization andore concentration.

本文以某矿田为例,在构造体系研究的基础上,着重论述了构造多次活动引起物质组分、地球化学元素和矿物形态的多次变化,并通过光弹性实验,模拟成矿期构造应力在成矿前构造体系基础上的活动。认为,成矿前构造体系格架不但对矿床分布起到控制或影响,而且发现成矿前构造岩物质组分的变化,往往为后期矿化富集创造了有利的条件。

Titanium belongs to Ferrum earth family in geochemical element classification. In the cndogenic process, both Ferrum and Titanium are along with each other, they trend towards corresponding gathering or dispersing. With crystallization and separation of magnesium silicate - minerals (forsterite and chrysolite etc)from ultrabasic or basic magma at the early period of crystallization differentiation, the content of Ferrum is relatively going higher in magma, i.e.F ((Fe2O3+FeO)/(Fe203 + FeO + MgO)) is getting...

Titanium belongs to Ferrum earth family in geochemical element classification. In the cndogenic process, both Ferrum and Titanium are along with each other, they trend towards corresponding gathering or dispersing. With crystallization and separation of magnesium silicate - minerals (forsterite and chrysolite etc)from ultrabasic or basic magma at the early period of crystallization differentiation, the content of Ferrum is relatively going higher in magma, i.e.F ((Fe2O3+FeO)/(Fe203 + FeO + MgO)) is getting higher. In the same way Titanium is more and more in the magma.As a rule,Titanium is a stable element on the surface of the earth. It usually hardly forms soluble compounds with other elements. It is quite difficult for Titanium to dissolve and remove in the water. Bg conrract, Ferrum is more reactive than. Titanium.All the Ferrum-beariny minerals formed from magma are easily oxidated and resolved on the surface of earth. They are forms hydrate and remove quickly in the water a colloids, suspensions or solutions. As a result, the difference in content

在元素地球化学分类中,钛属铁族元素,在内生作用过程中;二者(Fe、Ti)有对应聚、散的趋势,在超基性—基性岩浆结晶分异早期,随着富镁硅酸盐矿物(镁橄榄石、贵橄榄石等)的结晶分离作用,岩浆中铁的含量增高,即F值((Fe_2O_3+FeO)/(Fe_2O_3+FeO+MgO)(重量%))增大,钛含量亦逐渐增加。而在表生条件下,钛是比较稳定的元素,通常不形成可溶性化合物,故很难在水中溶解迁移;而铁则比钛活泼得多,在内生作用条件下形成的各种含铁矿物,在表生条件下极易氧化、分解,生成氧化物以肢体、悬浮或真溶液的形式在水中迁移,故在地表风化~剥蚀~搬运~沉积过程中,钛、铁的分离程度越来越大,二者的集散呈现明显的负相关趋势。所以,由岩浆岩或沉积岩变质形成的正、副角闪岩,其F—TiO_2的相关变异有截然不同的趋势,可用以鉴别不同的角闪岩的原岩类型。

 
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