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landscape geochemistry
相关语句
  景观地球化学
     CHARACTERISTICS OF LANDSCAPE GEOCHEMISTRY AND EXPLORATION METHOD IN THE FOREST-SWAMP AREA
     森林沼泽区景观地球化学特征与勘查方法
短句来源
     LANDSCAPE GEOCHEMISTRY FEATURES AND WORKING METHODS OF REGIONAL GEOCHEMISTRY IN GANSU PROVINCE
     甘肃省景观地球化学特征及区域化探工作方法研究
短句来源
     Characteristics of landscape geochemistry in the forest-swamp area in Northeast China has been studied,and then some regularity of elements migration,enrichment and dispersion as well as factors of influence on geochemical anomaly under the supergene condition in the area have been proposed.
     对我国东北地区森林沼泽景观地球化学特征进行了研究,提出该类地区表生条件下元素迁移集散分布规律和对地球化学异常的一些影响因素。
短句来源
     Landscape Geochemistry Study and Its Development
     景观地球化学研究现状与进展
短句来源
     Landscape geochemistry of distribution of selenium in Yutangba mini-landscape,Enshi, Hubei Province, China
     渔塘坝微地域硒分布的景观地球化学研究
短句来源
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  “landscape geochemistry”译为未确定词的双语例句
     Landscape geochemistry features and evaluation for working method and technique of regional geochemical prospecting in Gansu Province
     甘肃地球化学景观特征及区域地球化学方法技术评价
短句来源
     Through analyzing the features of landscape geochemistry in Gansu, this paper divided Gansu into 6 geochemical landscapes. According to the scale 1∶200000 stream sediment survey data by the Bureau of Geology and Mineral Resources of Gansu Province, the paper computed the arithmetic means and standard deviations of 39 elements′ values of every landscape by statistics,and contrasted them with the regional backgrounds of stream sediments in China.
     分析了甘肃省境内的地球化学景观特征 ,将甘肃省划分为 6个不同的地球化学景观区 ,并依据甘肃省地质矿产局 2 0余年的 1:2 0万水系沉积物测量资料 ,统计出各景观区元素含量的算数平均值及标准离差 ,与全国相应元素的水系沉积物背景值进行了对比。
短句来源
  相似匹配句对
     LANDSCAPE
     景观
短句来源
     Landscape Geochemistry Study and Its Development
     景观地球化学研究现状与进展
短句来源
     APLICATION OF LANDSCAPE GEOCHEMISTRY ENVIRONMENT EVALUATION
     试论景观地球化学在环境工作中的应用
短句来源
     Meanings of Landscape
     景观的含义
短句来源
     TECTONICS AND GEOCHEMISTRY
     构造与地球化学
短句来源
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  landscape geochemistry
Migration characteristics of microelements in process of landscape geochemistry in Mt.
      


According to the principles and methods cf landscape geochemistry, the samples of soil, plant and surface water collected at the same time eluvial, super-aqual and aqual landscapes in the different landforms were studied and analysed as a whole ecosystem.The abundance of the eight trace elements in every landscape's component and the geochemical patterns of the landscape were given, and the relationship between the couse of the characteristics and ; the environmental factors was disscussed...

According to the principles and methods cf landscape geochemistry, the samples of soil, plant and surface water collected at the same time eluvial, super-aqual and aqual landscapes in the different landforms were studied and analysed as a whole ecosystem.The abundance of the eight trace elements in every landscape's component and the geochemical patterns of the landscape were given, and the relationship between the couse of the characteristics and ; the environmental factors was disscussed by analyzing the vertical redistribution of elements under the conditions of supergenesis geochemistry, especially the distribution of the trace element's speciations in the soils. It can be concluded that. ( 1 ) the geochemical contrast is not strong in the tropical forest ecosystem of Yunnan, but there's a little relative enrichment in the eluvial landscape for the elements Fe, Cr, Ni whose aqual migration is weak yet. ( 2 ) The portion of the trace elements bound to Fe-Mn oxides in soil is always very high, especially the element Mn covering 70%. (3) Living things-forest cover is an important reservoir of the trace elements. The concentration of trace elements bound to organic matter in soil surface, however, is very low.

本文以我国云南典型热带森林生态系统为研究对象,在物质循环较封闭的地段,按照不同地貌部位、不同的物质淋溶堆积景观类型进行采样,采样时在同一单元景观内同时收集土壤、风化壳、植物和天然水的样品,分析各样品中九种重金属元素的含量分布以及土壤风化壳样品中各元素的六种赋存形态的含量分布,通过对比元素在不同单元景观间、不同景观要素间和景观要素内部的分异特征,从而给出热带森林生态系统中元素的分布形成规律和动态分异特征。

The present article tries to identify and evaluate the major academic contributions to chemical grography in recent years. This paper is outlined in four parts:1. A brief history of chemical geography: (1) During 30-50s', it was the period for the birth of chemical geography, initiation of the theory of landscape geochemistry, and data accumulation. (2) During 50-60s', chemical geography was developed and was enlarged, and the theory system was formed and established. (3) After 60s', chemical geography...

The present article tries to identify and evaluate the major academic contributions to chemical grography in recent years. This paper is outlined in four parts:1. A brief history of chemical geography: (1) During 30-50s', it was the period for the birth of chemical geography, initiation of the theory of landscape geochemistry, and data accumulation. (2) During 50-60s', chemical geography was developed and was enlarged, and the theory system was formed and established. (3) After 60s', chemical geography in our country has entered upon the rapid development periold.2. Research works in chemical geography have made progress in medicine (endemic diseases) in China as follows: the correlative law of elemental composition of organism with elemental composition of grochemical environment; the geochemicl-ecological classification of chemical elements; the type of formative cause of biogeochemical provinces in China; the parabolic correlation between contents of iodine in drinking water and prevalence rate of endemic goiter; succesive exposition and proof of low selenium zone of Keshan and Kaschin-Beck in China; the compilation of the Atlas of Endemic Diseases and Their Environments in the People's Republic of China.3. Research works on chemical geography have made advances in environmental protection.The main areas of the research were the following: investigation of environmental pollution in some large rivers, lakes, and large cities area (including surounding area), their environmental quality assessment, and comprehensive control; study on the behavior and state of toxic and hazadous substances in the pollutants in air, water, soil and biological materials;study on invironmental background values and environmental capacities of soil and water bodies in China; research on trace elements including REE pollution in agricultural area.4. Prospects for chemical geography in China are briefly discussed.

本文回顾了化学地理半个多世纪以来发展的三个阶段,特别是60年代后中国化学地理在研究环境保护和地方病病因及其防治方面的进展,并讨论了化学地理今后研究的方向。

Landscape geochemistry has been fraditionally used in investigating chemical elements distribution, and in geochemical prospecting. Now it can be used in environment evaluation as well. Industrial activities heavily affects environment. Artificial migration of chemical elements is an important factor affecting or controlling elements distribution in the soils and ground water.

生态环境恶化,使人类面临生存和发展危机。本文以地区环境为例,试图讨论景观地球化学在环境工作中的应用。它从人类活动与环境质量变化的关系出发,运用地球化学方法,研究环境中的地球化学景观系列,进行景观地球化学区划,揭示环境质量变化的规律,为环境质量评价、环境保护和环境治理提供科学依据

 
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