土壤元素背景值,soil element background value
1)soil element background value土壤元素背景值
1.Comparing the soil element background values in Shanxi with those in the world thatMg in Shanxi is higher than the range in the world,In is lower than the range in the world,and the other element background values are in the worlds range.作者在全省范围内布设土壤采点255个,利用近代分析测试手段,数理统计方法对61种土壤元素进行了测试分析和数据处理,获得了61种土壤元素背景值
英文短句/例句

1.Study on Soil Element Background Values of Dahurian Larch Forest;兴安落叶松林土壤元素背景值的研究
2.ANALYSIS OF FACTORS AFFECTING SOIL BACKGROUND CONTENTS OF METAL ELEMENTS IN BEIJING AREA影响北京地区土壤元素背景值的因素分析
3.Principles and Methods of the Analysis of Background Values of Elements in Soils in Beijing Area北京地区土壤元素背景值处理原则和方法
4.BACKGROUND CHARACTERISTICS OF SOIL ELEMENTS IN FOUR PLAINS OF ZHEJIANG PROVINCE浙江省四大平原区土壤元素背景值特征
5.Study on Soil Element Background Values--Taking a Region in the South for Example土壤元素背景值的研究——以南方某区域为例
6.Study of the Natural Background Values of Cr and HgElement in Thousand-Mountains Soil千山土壤中铬、汞微量元素的自然背景值研究
7.ELEMENTAL BACKGROUND VALUES OF PRINCIPAL AGRICULTURAL SOILS IN THE BROWN EARTH AREA OF JIAODONG PENINSULA胶东半岛棕壤区域主要农业土壤中元素环境背景值
8.Study on Background Values of Some Heavy Metal in Agri- cultural Soils of Northeast Guangxi Province.广西桂东北地区农业土壤环境若干重金属元素背景值的调查
9.Background Value and Enrichment of Eight Heavy Metals in Soil of Chongqing Metropolitian Area;重庆都市经济圈土壤八种重金属元素的背景值特征和分布规律
10.Environmental Background Values of Chemical Elements in Soils、Plants and Waters of Taibaishan Nature Reserve;太白山自然保护区土壤、植物和水体化学元素背景值及其分布特征的研究
11.The Study on Chemical Elemenent Background Value of Permafrost in Larix Gmelinii Forest;兴安落叶松林多年冻土化学元素背景值的研究
12.Study on the Characteristics of Soil Element Contents and the Geologic Background in the Coastal Area of Fujian Province福建沿海地区土壤元素含量特征与地质背景研究
13.ECOLOGICAL BACKGROUND STUDY OF SOIL PROTOZOA TIANMU MOUNTAINS天目山土壤原生动物生态背景值研究
14.Survey on Soil Background Value of 5 Traditional Chinese Medicinal Herbs from Xinjiang Origin5种中药新疆原生地土壤背景值调查
15.SOIL ~(137)Cs BACKGROUND VALUES IN MONSOON REGION OF CHINA中国季风区土壤~(137)Cs背景值研究
16.Study on Soil Background Value and Reference Value in Henan Section of Yellow River黄河流域河南段土壤背景值与基准值研究
17.Community Structure and Dynamics of Soil Animal in Green Belt Litter from Two Soil Origin in Urban City两种土壤背景值下城市绿地凋落物层土壤动物群落结构与动态
18.CONTENTS OF 8 ELEMENTS AND BACK GROUND LEVEL OF SOILS IN THE SUBURBS OF BAODING保定市农业土壤重金属含量及其背景值
相关短句/例句

soil background value土壤背景值
1.This paper discusnes the soil background values at Yangzhong County where the cancers mortality rate is high in China, and then compares the values with that of Jiangsu Province and China, By the methods of comprehensive efficiency ratio tcorre.本文对我国癌症高发区扬中县土壤环境背景值作了论述,并与同期调查的全国和江苏省土壤背景值进行对比,采用多元素综合效应比值、相关、多元回归分析法,探讨了癌症发病率与土壤微量元素间的关系。
3)element background values元素背景值
4)background value of soil erosion土壤侵蚀背景值
1.Then it defines that thebackground value of soil erosion of the middle Yellow River is 650-1000 millon tons/year according to thetwo-way calculation results of aggradation volume of the river alluvial fan and sediment deposition volumeof the ancient river mouth, after comprehensive consideration and under the conditions of less.根据研究,首先确定先秦至西汉时期为推估黄河中游土壤侵蚀背景值的年代。
5)soil environmental background value土壤环境背景值
1.The soil geochemical baseline values for main agricultural areas of Zhejiang Province are divided into 13 statistical units and the soil environmental background values are divided into three geographical statistical units,i.以浙江省农业地质环境调查取得的区域地球化学资料(2002—2004年)为依据,遵循地球化学背景值的基本概念,根据成土母质类型将土壤地球化学基准值划分成13个统计单元,土壤环境背景值以浙北杭嘉湖与宁绍平原、浙东沿海温黄与温瑞平原、浙中金衢盆地区统计单元,在反复剔除异常数据后,获得了52种元素(氧化物)的平均值、标准离差和变异系数,为区域土壤环境质量标准的制订、土壤污染评价和治理修复提供了重要的地球化学依据。
6)soil nutrients background value土壤养分背景值
延伸阅读

土壤元素背景值分子式:CAS号:性质:又称土壤环境背景值(background value of soil environment)。在土壤未受污染与破坏的情况下,土壤中基本化学元素的正常含量。实际上,只是在土壤相对未受污染的情况下,土壤的基本化学组成。