12 Result(s)
within
Yajuan Shi
Environment
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Article
Metabolic variation and oxidative stress response of blue mussels (Mytilus sp.) perturbed by norfloxacin exposure
Antibiotics are currently widely applied in agricultural cultivation, animal husbandry, and medical treatment, but the effects and ecological risks of antibiotics need to be further investigated. Norfloxacin i...
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Article
Norm index for predicting the rate constants of organic contaminants oxygenated with sulfate radical
The degradation of organic contaminants in aquatic systems has raised immense attention worldwide, and the second-order rate constant (kSO4.−\( {k}_{{\mathrm{SO}}_4^{.-}} \)) of water pollutants oxidized by sulfa...
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Article
Spatial variability and temporal trends of HCH and DDT in soils around Bei**g Guanting Reservoir, China
Spatial variability and temporal trends in concentrations of the organochlorine pesticides (OCPs), hexachlorocyclohexane (HCH) and dichlorodiphenyltrichloroethane (DDT), in surface soils around Bei**g Guantin...
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Article
Factors affecting HCH and DDT in soils around watersheds of Bei**g reservoirs, China
The factors that influence the dynamics of hexachlorocyclohexane (HCH) and dichlorodiphenyltrichloroethane (DDT) in soils around the watersheds of Bei**g reservoirs were examined. Compared with other studies ...
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Article
Distribution and sources of mercury in soils from former industrialized urban areas of Bei**g, China
Fifty-seven typical surface soils and 108 deeper soils were collected from five former industrial sites in Bei**g and concentrations of total Hg (ΣHg) as well as pH, total carbon (TC), total nitrogen (TN), to...
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Article
Identification of sources of elevated concentrations of polycyclic aromatic hydrocarbons in an industrial area in Tian**, China
The concentrations of 16 polycyclic aromatic hydrocarbons (PAHs) were determined by gas chromatography equipped with a mass spectrometry detector in 105 topsoil samples from an industrial area around Bohai Bay...
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Article
Comparison of Organochlorine Pesticides Occurrence, Origin, and Character in Agricultural and Industrial Soils in Bei**g
The origin and occurrence of organochlorine pesticides [OCPs; hexachlorocyclohexanes (HCHs) and 1,1,1-trichloro-2,2- bis(p-chlorophenyl) ethane (DDTs)] in the surface and profile of soils from former OCPs product...
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Article
Organochlorine Pesticides in Soils Around Watersheds of Bei**g Reservoirs: A Case Study in Guanting and Miyun Reservoirs
A systematic survey of organochlorine pesticides (OCPs) residues in soils around reservoirs that supply water to Bei**g, China, has been lacking. 104 representative surface soil samples were collected around ...
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Article
Regional differences and sources of organochlorine pesticides in soils surrounding chemical industrial parks
Concentrations of organochlorine pesticides (OCPs; dichlorodiphenyltrichloroethanes (DDTs), hexachlorocyclohexanes (HCHs), hexachlorobenzene (HCB)) were investigated in 105 soil samples collected in vicinity o...
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Article
Distribution of Copper, Cadmium, and Lead in Soils from Former Industrialized Urban Areas of Bei**g, China
Concentrations and distributions of cadmium, copper, and lead in soils from several industrialized urban areas of Bei**g, China were investigated. The mean concentration of Cd in surface soils was not signifi...
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Article
Organochlorine pesticides in soils around Guanting Reservoir, China
Fifty-six representative samples of topsoil were collected around Guanting Reservoir, which is an important water source for Bei**g. Concentrations of the insecticides HCH, DDT, and their metabolites were qua...
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Article
Effects of land use on concentrations of metals in surface soils and ecological risk around Guanting Reservoir, China
It is accepted that the historical routine use of agrochemicals may have resulted in undesirable concentrations of metals in the environment. To investigate and assess the effects of land use on concentrations...
