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- Keywords lognormal distribution plot;geochemical background level;source;urban soil;Xuzhou City; 对数正态分布图;地球化学背景值;来源;城市土壤;徐州市;
- geochemical background level 地球化学背景值
- Application of lognormal distribution plot to interpreting sources and determining geochemical background levels of heavy metals in Xuzhou urban soils, Jiangsu Province 利用对数正态分布图解析徐州城市土壤中重金属元素来源和确定地球化学背景值
- A variation trend has been pointed out in this paper that the geochemical background field descends gradually (i.e. high background field exists in the bas... 烃类湿度系数呈现西干东湿的变化趋势。主要含油气盆地地球化学场与地热梯度具有明显的相关性,揭示了两者间的成因关系。
- Radioactive elements are at the normal background level, causing no deleterious pollution. 环境辐射在正常范围之内，不存在任何人为造成的放射性污染。
- Radioactive elements are at the normal background level,causing no deleterious pollution. 环境辐射在正常范围之内，不存在任何人为造成的放射性污染。
- Geochemical background and geochemical baseline 地球化学背景与地球化学基准
- Keywords geochemical background;primary halos;axial zonality; 地球化学背景;矿床原生晕;轴向分带;
- the ore deposit geochemical background and the baseline value 地球化学背景和基准值
- The distance at which the magnetic field from the line becomes indistinguishable from typical background levels differs for different types of lines. 要使输电线产生的电磁场辐射等级和典型的背景电磁辐射等级差不多，这个距离得随输电线的不同而变化。
- PROBLEM AND COUNTERMEASURE OF RECOGNITION OF GEOCHEMICAL BACKGROUND AND ANOMALY 化探背景与异常识别的问题与对策
- Geochemical Background and Element Distribution in Soil in Chengdu, Sichuan 四川成都土壤地球化学背景及元素分布
- A Study on the Selenium Background Level in the Soils in Guizhou 贵州省土壤硒的背景值研究
- I'd like a room on the upper level. 我想要楼上的房间。
- He has a strong political background. 他有强大的政治背景。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- She needs to win this point to level the score. 她要赢得这一分才能将比分扳平。
- That incessant background music gets on my nerves. 那没完没了的背景音乐令我非常烦恼！
- Keep a level head and phone the Fire Department. 保持冷静，打电话给消防署。
