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Proof of the heavy tailed property of normal cloud model

Li Deyi,Liu Changyu,Gan Wenyan

Strategic Study of CAE 2011, Volume 13, Issue 4,   Pages 20-23

Abstract:

Normal distribution and heavy tailed distribution are very importantThe tailed distribution function of the random variables that obey heavy tailed distribution shows heavytailed distribution and its mathematical expectation exists.It is intermediate between notmal distributionand heavy tailed distribution.tailed distribution.

Keywords： normal distribution     heavy tailed distribution     normal cloud model     kurtosis    

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Distribution and potential ecological risk of heavy metals in the typical eco-units of Haihe River Basin

Jingling LIU,Tao YANG,Qiuying CHEN,Feng LIU,Binbin WANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 103-113 doi: 10.1007/s11783-014-0686-5

Abstract: The distribution and characteristics of seven heavy metals in sediments located in the typical ecologicalThe seven heavy metals, namely, Cd, Hg, As, Cr, Pb, Cu, and Zn, exhibited ecological risk levels in descending

Keywords： Haihe River Basin     ecological risk     eco-units     heavy metals    

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Hierarchical modeling of stochastic manufacturing and service systems

Zhe George ZHANG, Xiaoling YIN

Frontiers of Engineering Management 2017, Volume 4, Issue 3,   Pages 295-303 doi: 10.15302/J-FEM-2017047

Abstract: central limit theorem (FCLT) and functional strong law of large numbers (FSLLN), respectively, under heavy-traffic

Keywords： stochastic modeling     QBD process     PH distribution     heavy traffic limits     diffusion process    

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Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1488-1

Abstract:

• Adding kaolin/zeolite promotes the formation of stable heavy metals

Keywords： Co-pyrolysis     Sewage sludge     Heavy metals     Rotary kiln     Immobilization mechanism    

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Effects of sulfur on variations in the chemical speciation of heavy metals from fly ash glass

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1728-7

Abstract:

● A higher sulfur content reduced the curing rate of Cr in glass.

Keywords： Dechlorinated fly ash     SO3     Heavy metal     Chemical speciation     Glass solidification    

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ASSESSMENT OF HEAVY METALS IN HYDROCHAR PRODUCED BY HYDROTHERMAL CARBONIZATION OF DAIRY MANURE

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 437-447 doi: 10.15302/J-FASE-2023507

Abstract:

● Content of heavy metals in hydrochar varies considerably, from 50%

Keywords： heavy metals     dairy manure     hydrochar     hydrothermal carbonization     waste management    

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Strategies to manage the risk of heavy metal(loid) contamination in agricultural soils

Fang-Jie ZHAO

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 3,   Pages 333-338 doi: 10.15302/J-FASE-2020335

Abstract:

Soil contamination with heavy metal(loid)s threatens soil ecological functions, water quality andLong-term monitoring of anthropogenic additions and accumulation of heavy metal(loid)s in agricultural

Keywords： arsenic     cadmium     food safety     heavy metals     soil contamination    

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Predicting non-carcinogenic hazard quotients of heavy metals in pepper (

Marzieh Mokarram, Hamid Reza Pourghasemi, Huichun Zhang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1331-0

Abstract: Abstract • There was significant absorption of heavy metals by the pepper in contaminated soils. • TheGiven the tendency of heavy metals to accumulate in soil and plants, the purpose of this study was toFor this purpose, we measured the uptake of the four heavy metals by peppers grown in the heavy metaltwo-leaf, growth, flowering, and fruiting, and calculated various vegetation indices to evaluate the heavyElectromagnetic waves were also applied for analyzing the responses of the target plants to various heavy

Keywords： Heavy metals     Plants     Target Hazard Quotient (THQ)     Principal Component Analysis (PCA)     Random search     Electromagnetic    

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Recent progress in electrospun nanofibers and their applications in heavy metal wastewater treatment

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 249-275 doi: 10.1007/s11705-022-2245-0

Abstract: adsorbents with a simple preparation process and large capacity for removing highly toxic and nondegradable heavyThese membranes show remarkable application potential in the field of heavy metal wastewater treatmentelectrospun nanofibers, the use of organic, inorganic and organic−inorganic nanofiber membrane adsorbents in heavystructure of the nanofiber membrane, the recent progresses of electrospun functional membranes for heavy

Keywords： electrospinning     heavy metal     adsorption     nanostructure     wastewater    

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Diversity and vertical distributions of sediment bacteria in an urban river contaminated by nutrients and heavy

Xunan YANG, Shan HUANG, Qunhe WU, Renduo ZHANG, Guangli LIU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 851-859 doi: 10.1007/s11783-013-0569-1

Abstract: The aim of this study was to investigate the benthic bacterial communities in different depths of an urban river sediment accumulated with high concentrations of nutrients and metals. Vertical distributions of bacterial operational taxonomic units (OTUs) and chemical parameters (nutrients: , , dissolved organic carbon, and acid volatile sulfur; metals: Fe, Zn, and Cu) were characterized in 30 cm sediment cores. The bacterial OTUs were measured using the terminal restriction fragment length polymorphism analysis. Biodiversity indexes and multivariate statistical analyses were used to characterize the spatial distributions of microbial diversity in response to the environmental parameters. Results showed that concentrations of the nutrients and metals in this river sediment were higher than those in similar studies. Furthermore, high microbial richness and diversity appeared in the sediment. The diversity did not vary obviously in the whole sediment profile. The change of the diversity indexes and the affiliations of the OTUs showed that the top layer had different bacterial community structure from deeper layers due to the hydrological disturbance and redox change in the surface sediment. The dominant bacterial OTUs ubiquitously existed in the deeper sediment layers (5–27 cm) corresponding to the distributions of the nutrients and metals. With much higher diversity than the dominant OTUs, the minor bacterial assemblages varied with depths, which might be affected by the sedimentation process and the environmental competition pressure.

Keywords： heavy metals     nutrients     sediment profile     terminal restriction fragment length polymorphism    

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Joint effects of Penta-BDE and heavy metals on

Baohua TANG, Lingyan ZHU, Qixing ZHOU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 99-110 doi: 10.1007/s11783-010-0260-8

Abstract: The joint toxicity of Penta-BDE (Pe-BDE) and heavy metals including cadmium and copper on ( ) was evaluated

Keywords： polybrominated diphenyl ethers (PBDEs)     heavy metal     mixture toxicity     toxic units (TUs)     antioxidant enzyme    

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Human health ambient water quality criteria for 13 heavy metals and health risk assessment in Taihu Lake

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1475-6

Abstract:

• The concentrations of 13 heavy metals in Taihu Lake were analyzed.

Keywords： Heavy metals     Human health ambient water quality criteria     Taihu Lake     Health risk assessment     Contribution    

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EFFECT OF EXOGENOUS ADDITIVES ON HEAVY METAL PASSIVATION AND NITROGEN RETENTION IN PIG MANURE COMPOSTING

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023487

Abstract:

● Research on heavy metal passivation and nitrogen emissions is necessary

Keywords： additives     composting     heavy metals passivation     nitrogen retention     pig manure    

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Sulfur mediated heavy metal biogeochemical cycles in coastal wetlands: From sediments, rhizosphere to

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1523-x

Abstract:

• In sediments, the transformation of sulfides may lead to the release of heavy

Keywords： Coastal wetland     Heavy metal     Sulfur     Biogeochemical cycle    

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Re-evaluation of several heavy metals removal by natural limestones

Ali SDIRI,Samir BOUAZIZ

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 418-432 doi: 10.1007/s11705-014-1455-5

Abstract: Different treatment technologies have been efficiently applied to remove heavy metals from wastewaterOn the other hand, heavy metals are the most threatening groundwater contaminants because of their toxicityThis review discusses the use of natural geological materials for heavy metal removal in aqueous systems

Keywords： limestone     heavy metals     sorption     wastewater     passive treatment technology    

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Title Author Date Type Operation

Proof of the heavy tailed property of normal cloud model

Li Deyi,Liu Changyu,Gan Wenyan

Journal Article

Distribution and potential ecological risk of heavy metals in the typical eco-units of Haihe River Basin

Jingling LIU,Tao YANG,Qiuying CHEN,Feng LIU,Binbin WANG

Journal Article

Hierarchical modeling of stochastic manufacturing and service systems

Zhe George ZHANG, Xiaoling YIN

Journal Article

Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Journal Article

Effects of sulfur on variations in the chemical speciation of heavy metals from fly ash glass

Journal Article

ASSESSMENT OF HEAVY METALS IN HYDROCHAR PRODUCED BY HYDROTHERMAL CARBONIZATION OF DAIRY MANURE

Journal Article

Strategies to manage the risk of heavy metal(loid) contamination in agricultural soils

Fang-Jie ZHAO

Journal Article

Predicting non-carcinogenic hazard quotients of heavy metals in pepper (

Marzieh Mokarram, Hamid Reza Pourghasemi, Huichun Zhang

Journal Article

Recent progress in electrospun nanofibers and their applications in heavy metal wastewater treatment

Journal Article

Diversity and vertical distributions of sediment bacteria in an urban river contaminated by nutrients and heavy

Xunan YANG, Shan HUANG, Qunhe WU, Renduo ZHANG, Guangli LIU

Journal Article

Joint effects of Penta-BDE and heavy metals on

Baohua TANG, Lingyan ZHU, Qixing ZHOU

Journal Article

Human health ambient water quality criteria for 13 heavy metals and health risk assessment in Taihu Lake

Journal Article

EFFECT OF EXOGENOUS ADDITIVES ON HEAVY METAL PASSIVATION AND NITROGEN RETENTION IN PIG MANURE COMPOSTING

Journal Article

Sulfur mediated heavy metal biogeochemical cycles in coastal wetlands: From sediments, rhizosphere to

Journal Article

Re-evaluation of several heavy metals removal by natural limestones

Ali SDIRI,Samir BOUAZIZ

Journal Article