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Mercury (Hg), especially methylmercury (MeHg), which is highly neurotoxic, is a global pollutant that can affect human health because of its accumulation in aquatic products. Poyang Lake, an inland lake in China, has been significantly affected by human activity, yet there is limited understanding of local mercury contamination and potential …
Method 30B and the Ontario Hydro Method (OHM) were used to sample the mercury in the flue gas discharged from the seven power plants in Guizhou Province, southwest China. In order to investigate the mercury migration and transformation during coal combustion and pollution control process, the contents of mercury in coal samples, bottom ash, fly ...
The authors studied the concentration of heavy metals and mercury fractionation in contaminated soil in 2 agricultural land use systems (paddy rice and dry land) at the Wanshan mercury mine in China. The average concentrations of chromium, lead, copper, nickel, and zinc were generally lower in paddy …
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Available online at ScienceDirect JOURNAL OF ENVIRONMENTAL SCIENCES ISSN 1001-0742 CN 11-2629/X Journal of Environmental Sciences 19(2007) 200-204 Distribution and ecological effect of mercury in Laogang landfill, Shanghai, China DING Zhen-hua1'2'*, TANG Qing-he3, LIU Cai …
No. 10 Distribution characteristics of total mercury and methylmercury in the topsoil and dust of Xiamen, China 1405 Fig. 4 Spatial distribution of THg in Xiamen topsoil (a) and dust (b). the maximum mean of MeHg was observed, which was about 7 times the minimum value determined in the shopping center. ... 260: 191–200. Grimaldi C, …
Dai Jinxing et al. made statistics on the mercury content of coal derived gas and oil derived gas samples from 12 basins in China and abroad, and found the coal derived gas samples had a mercury content of 0.01â€"3 000.00 μg/m3 and the arithmetic average is 79.605 μg/m3, the oil derived gas samples had a mercury content of 0.004â ...
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The concentrations and distributions of mercury (Hg) in topsoil from four provinces and one municipality in China were investigated. A total of 1,254 samples were collected and analyzed. The average concentrations of Hg were 0.064 mg kg−1 for Liaoning Province, 0.100 mg kg−1 for Jiangsu Province, 0.110 mg kg−1 for Zhejiang Province, …
Northern South China Sea (SCS) is adjacent to major atmospheric mercury (Hg) emission source regions; however, studies concerning regional atmospheric Hg distribution and cycling are very limited. Accordingly, measurements of atmospheric Hg were conducted in March and April during the 2010 Dongsha Experiment to study its …
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The distribution and source of mercury (Hg) and zinc (Zn) in surface sediments from East China Sea (ECS) were studied using stable isotopes. Hg concentrations in surface sediments varied from 12.6 to 133.2 ng g −1.Zn concentrations ranged between 45.9 and 133.6 ng g −1.Hydrodynamic circulation and sedimentary …
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Distribution of mercury in coastal marine sediments of China: sources and transport Mei Meng 1, Jian-bo Shi 2, Zhao-jun Yun 1, Zong-shan Zhao 3, Hui-juan Li 3, Yu-xiao Gu 1, Jun-juan Shao 1, Bao-wei Chen 4, Xiang-dong Li 4, Gui-bin Jiang 1
Mercury Stats. There are total 277 trusted mercury companies. These include: 83 - Manufacturers, 55 - Exporters, 28 - Wholesalers, 69 - Suppliers, 17 - Retailers, 8 - …
Alibaba offers 306 Mercury Supply Suppliers, and Mercury Supply Manufacturers, Distributors, Factories, Companies. There are 193 OEM, 175 ODM, 37 Self Patent. Find high quality Mercury Supply Suppliers on Alibaba. ... China. Main Products: shock absorber rubber,outboard moto part,rubber dusty cover. Total Revenue: US$2.5 Million - …
Mercury is an important pollutant that can be transported around the world in the air and thereby affect remote aquatic ecosystems (Driscoll et al., 2013; Obrist et al., 2018).Mercury in water may release back into air in the form of elemental mercury (Hg(0)), deposit as particulate matter and accumulate in aquatic organisms (Baumann et al., 2019).
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The distribution characteristics of mercury fractions at the site near a pesticide plant was investigated, with the total mercury concentrations ranging from 0.0250 to 44.3 mg kg⁻¹.
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The concentrations of THg in the surface of peat bog ranged from 126.0 to 275.0 ng g −1 dry wt, average 184.8 ng g −1 dry wt, which was higher than the background value (37 ng g −1 dry wt) (EPA of China, 1990) of Heilongjiang Province and compared with the Fanjing Mount natural preservation area (100–220 ng g −1) affected by Hg mining in …
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The water, pore water, sediment, and fish samples were collected from the Hongfeng Reservoir in November 2003 and February 2004 in accordance with trace metal protocols. The average concentrations of total mercury (THg), dissolved mercury (DHg), reactive mercury, dissolved gaseous mercury, total methylmercury, and dissolved …
During extrusion, some mercury may become trapped due to snap-off. This term refers to the formation of a saddle-shaped interface between immiscible fluids during imbibition, leading to the nonwetting phase – mercury in this case – splitting into discontinuous regions [16].It has been claimed to be controlled by various factors …
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Because of the large amount of mercury input, 78.6% of sediments (THg 0.063–0.59 μg g −1) from 14 lakes in China had accumulated mercury at the polluted level, mostly located in central and eastern China (Qin and Tao, 2022). These accumulations of inorganic mercury could be transformed into MeHg and subsequently enter the food …
Lake sediments are key materials for mercury deposition and methylation. To understand the mercury concentrations in China's lakes, 100 lake surface sediment samples were collected from 35 lakes in 2014. Total mercury (THg), methylmercury (MeHg) concentrations and the annual Hg burial rates in lake sediments were measured.
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