Web"soil element" in Chinese : 地盘要素 "element value" in Chinese : 元素值 "average background value" in Chinese : 背景平均值 "background color value" in Chinese : 背 …
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WebJun 22, 2024 · The average values of Cu, Zn, Pb, Cd, and Ni are 2.92 times, 2.19 times, 6.36 times, 7.78 times, and 1.34 times of the background values of soil elements in … http://www.zghjkx.com.cn/EN/abstract/abstract17562.shtml
WebMar 31, 2015 · TL;DR: The results showed that the average Cd concentration was 0.27 mg/kg, higher than its background value, indicating that Cd had been introduced into arable soil by human activity. Abstract: Cadmium (Cd) concentration in arable soil has drawn broad public attention due to its direct effect on Cd concentration in food. … WebThe revised background concentrations of the soils in Beijing are proposed to be 7.09 mg/kg for As, 0.119 mg/kg for Cd, 29.8 mg/kg for Cr, 18.7 mg/kg for Cu, 26.8 mg/kg for …
WebNov 10, 2024 · The average content of Cd in some surface water sediments was 0.64 mg/kg, which exceeded the risk screening values for soil contamination of agricultural land of China and was 17.1 times the background value of soil environment in Inner Mongolia; the average content of As was 16.64 mg/kg, which exceeded the soil quality standard of … WebDec 1, 2024 · Soil background values and evolving soil standards in China is discussed. • The UK's soil survey, background values and standards is compared to China. • …
WebA benchmark study on soil health risks of vegetable fields in a high-cadmium background area in eastern Yunnan: LI Yang 1,2, ZHANG Nai-ming 1, WEI Fu-sheng 3: 1. College of Resources and Environment, Yunnan Agricultural University, Kunming 650201, China; 2. Yunnan Soil Fertility and Pollution Remediation Engineering Laboratory, Kunming …
WebApr 6, 2024 · The highest Cd content was found in the surface layer of PM26, with a maximum value of 1.50 mg/mg, which was much higher than the background values of Chinese soils and the background values of Anhui soils (0.134 mg/kg). In contrast, a decreasing trend of As content was observed with the increasing depth of the study area. greatest hits west midlands online radioWebJun 22, 2024 · In formula and , C n i and B i selected the average value of every single element in layer A soil of Hebei Province as the element background value 39, and the element background values of Cu, Zn ... flipped out fnf 1 hourWebApr 12, 2024 · According to the Chinese Soil Occurrence Classification, the soil type in the study area is Allitic-Udic ferrosols, according to world reference basic of soil resources, the soil type is ferric acid soil, which developed from the Quaternary laterite parent material. ... With KBr as the background value, the spectra were collected in the range ... greatest hits west midlands newsWebDec 3, 2024 · The background value is defined as the normal concentration of an element in an unpolluted natural environment, the basis for evaluating the pollution degree and ecological risk of a particular element in the soil and sediment (Fukue et al. 2006; de Paula Filho et al. 2015). greatest hits waylon jennings vinylWebThe results showed that the range of the environmental background concentrations of REE in topsoil of Shenzhen was 23.66~1246.26mg/kg, the arithmetic average value was 285.99mg/kg, which was higher than that in soil of China and Guangdong province. The top soil of Shenzhen was enriched-type of light rare earth element, and the spatial ... greatest hits west yorkshire newsWebWhat is the meaning of background value of soil element in Chinese and how to say background value of soil element in Chinese? background value of soil element Chinese meaning, background value of soil element的中文，background value of soil element的中文，background value of soil element的中文，translation, … flipped out bob hairstyles with bangsWebApr 10, 2024 · The third group of elements consisted of As and Pb. The average concentration of As was much higher than the background value, and the pollution level and ecological risk caused by As were higher. The concentration of Pb was slightly lower than the background value (21.4 mg kg −1), and its corresponding impact was smaller. … greatest hits westlife