1) soil erosion background map
土壤侵蚀背景值图
1.
Study on compiling method of soil erosion background map based on multi-source maps;
基于多源地图信息重组的土壤侵蚀背景值图编制
2) 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。
3) soil erosion map
土壤侵蚀图
1.
As an example of map repackage, in this paper, three digital maps including land use map, soil erosion map and physiognomy map were repackaged by use of overlay to produce a new map of soil eros.
对土地利用图进行信息的挖掘,结合岛状地的界定,提取了其中的岛状地信息;与天然性程度的信息源进行融合,得到了天然岛状地信息;再与土壤侵蚀图、地貌图信息重组,最终得到了土壤侵蚀背景值信息,生成土壤侵蚀背景值图。
4) 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。
5) soil erosion landscape
土壤侵蚀景观
1.
Spatial heterogeneity of soil erosion landscape and its driving factors in Hubei Province;
湖北省土壤侵蚀景观空间异质性及驱动因子分析
6) Critical value of soil erosion
土壤侵蚀临界值
补充资料：土壤环境背景值(background value of soil environment)
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。
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条