1)geochemical baseline地球化学基线
1.Based on a systematic-sampling of top-soil in Dexing Region,the present authors have investigated and determined the geochemical baselines of Cu,Pb,Zn,Cr,Cd,Hg,and As by means of normalization producer and assessed anthropogenic pollution by means of enrichment factor.在系统采集德兴地区表层土壤样品的基础上,采用标准化方法确定了该区Cu、Pb、Zn、Cr、Cd、Hg、As的地球化学基线值,并采用富集因子对表层土壤的人为污染进行了地球化学评价。
2.So it is very significant to focus research on geochemical baseline of heavy metal elements in the soil of Dexing area.地球化学基线是区分地球化学背景和异常的重要参数。
3.A geochemical baseline for an element refers to its variations in concentration in the surficial environment .地球化学基线指的是地球表层物质中化学元素浓度的自然变化 ,是区分自然的和人为的环境影响的重要参照。
英文短句/例句
1.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
2.Study and Application of Environmental Geochemical Baseline in Coal Mining Area;煤矿区环境地球化学基线研究及其应用
3.Study of Soil Environmental Geochemical Baseline and Evaluation of Environment in Luobogang Region;汉源县新县城萝卜岗场地土壤环境地球化学基线及评价研究
4.Environmental geochemical baselines of soil metal elements in typical towns in Hefei area, Anhui province合肥地区典型城镇土壤中As、Hg的环境地球化学基线
5.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
6.Geochemical Baselines Study and Pollution Assessment of Main Toxic Heavy Metals of Soil in Daqing City大庆市土壤主要有毒重金属地球化学基线研究与污染评价
7.The Study on the Spatial Distribution and Pollution Assessment of Heavy Metal Elements in Soil of Hefei Area Based on Environmental Geochemical Baseline;基于环境地球化学基线的合肥地区土壤重金属元素的空间分布及污染评价
8.Mineral and Geochemical Explaination of Boundary Events;二叠—三叠纪界线事件的矿物学、地球化学解译
9.BASIC CHARACTERISTICS OF GEOCHEMISTRY OF SEDIMENTS IN OKINAWA TROUGH冲绳海槽沉积物地球化学的基本特征
10.Studies in Landscape Geochemistry Based on GIS Technology;基于GIS的景观生态地球化学评价研究
11.The Agro-ecological Geochemistry Evaluation Based on GIS;基于GIS的农业生态地球化学评价
12.An Assessment of Mine Environmental Geochemistry Quality Based on GIS;基于GIS的矿区环境地球化学质量评价
13.MAKING GEOCHEMICAL GRAPHICS BASED ON MAPGIS-SURFER COMBINATION基于MapGIS-Surfer联合的地球化学制图
14.The Study of Non-Linear of Complex Geology Land Form Identification of the Multi-Dimensioned Geochemistry Anomaly;复杂地质地貌区多尺度地球化学异常识别的非线性研究
15.Geochemical Characteristics of Trace Element of Permian-Triassic Boundary Strata in Western Margin of Yangtze Block;扬子地台西缘二叠—三叠系界线地层微量元素地球化学特征研究
16.Geochemistry and genesis of mafic dikes from the coastal areas of Guangdong Province, China.广东沿海地区基性岩脉地球化学及成因
17.Study of trace element geochemistry of Permian-Triassic Boundary in Emei Mountain,Sichuan四川峨眉山地区二叠系与三叠系界线微量元素地球化学研究
18.biogeochemical ecology生物地球化学生态学
相关短句/例句
environmental geochemical baseline环境地球化学基线
1.And also the environmental geochemical baselines of heavy metal elements were made certain by statistically analyzing method and normalization approach.在此基础上,采用统计分析方法和标准化方法确定了研究区表层土壤10种重金属污染元素的环境地球化学基线,结果表明采用不同方法确定的地球化学基线存在着一定的差异。
2.This paper identified the environmental geochemical baselines of topsoil metal elements As and Hg in the typical towns in Hefei area, by using the standard method and statistic method.运用标准化及统计分析方法分别计算了合肥地区典型城镇土壤中重金属元素As、Hg的环境地球化学基线,确定的As、Hg环境地球化学基线分别为10。
3)Soil environmental geochemical baseline土壤环境地球化学基线
4)Geochemistry contour地球化学等值线
5)geochemical reference value地球化学基准值
1.In this survey,54 elements and ratios are determined,such as Ag,As,Au,B,Ba,Be,Bi,Br,C,Cd,Ce,Cl,Co,Cr,Cu and F;geochemical reference value and background value of soil are statisticed,and difference between this area and other regions in our cou.平阴县土壤地球化学调查是按每1km2采集1件表层样,4km2组合成1件分析样,每4km2采集1件深层样,16km2组合成1件分析样,分析测试Ag,As,Au,B,Ba,Be,Bi,Br,C,Cd,Ce,Cl,Co,Cr,Cu,F等54元素或指标;统计了这些元素或指标的土壤地球化学基准值与背景值等参数;研究了区内土壤地球化学基准值、背景值与全国、黄河下游流域土壤及平原区、丘陵区土壤的差异;对比区内土壤地球化学基准值与背景值变化,认为区内大部分元素或指标在表层土壤中的含量继承了土壤母质,后期人类活动对其影响较小,但C,Cd,Cl,Hg,P,N,S,Se,Corg等元素或指标在表层土壤中已明显富集,表明表生作用和人类活动等因素已对这些元素或指标的含量变化与分布分配产生明显影响。
6)geochemical baseline地球化学基准
1.Geochemical background and geochemical baseline;地球化学背景与地球化学基准
延伸阅读
国际地球化学和宇宙化学协会 国际地质科学联合会(IUGS)所属协会之一。它的宗旨是,加强国际间的学术交流与合作,促进地球化学与宇宙化学的发展。国际地球化学和宇宙化学协会于1967年在法国巴黎正式成立。第一任理事长是美国的英格森(E.Ingerson)。 协会每 4年召开一次大会,改选理事会。理事会由理事长、2名副理事长、秘书、司库和8名普通理事组成。协会下设若干工作组、专业委员会,如地球化学勘查工作组;地球化学和健康工作组;同位素地球化学工作组;红土和红土化工作组;地球和行星科学中的热力学工作组;宇宙化学委员会;有机地球化学委员会;天然水地球化学委员会。曾举办"元素的起源和分布"(1967、1977)、"地球化学勘查"(1979)、"应用地球化学方法"(1981)和"水-岩石相互作用"(1983)等多次专题学术讨论会。 出版有《陨石中元素丰度手册》(1971)、《水文地球化学和生物地球化学》(1973)等多种著作。协会的刊物有《有机地球化学》,协会还与陨石学会合办《地球化学和宇宙化学学报》。