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Distribution, enrichment mechanism and risk assessment for fluoride in groundwater: a case study of Mihe-Weihe

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1670-8

Abstract:

● High fluorine is mainly HCO3·Cl-Na and HCO3

Keywords： Groundwater in the Mihe-Weihe River Basin     Distribution characteristics of fluorine     Factors influencingfluoride     Enrichment mechanism of fluorine     Hydrogeochemical modeling     Pollution and risk assessment    

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Abundance, spatial distribution, and physical characteristics of microplastics in stormwater detention

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1724-y

Abstract: Herein, we investigate the longitudinal and vertical distribution of MP within two detention ponds withdifferent physical characteristics.

Keywords： Microplastic     Environmental transport     Soil pollution     Stormwater     Detention ponds    

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Distribution, characteristics and daily fluctuations of microplastics throughout wastewater treatment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1,   Pages 6-6 doi: 10.1007/s11783-021-1440-4

Abstract:

• MPs were analyzed throughout three WWTPs with mixed domestic–industrial influents.

Keywords： Microplastic     Wastewater treatment plant     Mixed domestic-industrial influent     Characteristic     Daily fluctuation    

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Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid

YAO Chun-de, ZHOU Hong-xiu

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 409-412 doi: 10.1007/s11465-006-0048-5

Abstract: The velocity distribution at the outlet of the electric supercharger is determined by hot-wire anemometry

Keywords： acceleration     velocity distribution     high-speed brushless     turbocharger     electric supercharger    

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Numerical solution, simulation and testing of the thermal dynamic characteristics of ball-screws

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 28-36 doi: 10.1007/s11465-008-0007-4

Abstract: This research focuses on the characteristics of how a ball-screw changes its temperature correspondingThe temperature distribution for the ball-screw at different times and directions is shown.of the ball-screw under periodically varying heat sources, this paper describes the thermal dynamic characteristicsBy testing the thermal dynamic characteristics of the ball-screw, the numerical solution is validated

Keywords： numerical solution     temperature corresponding     temperature distribution     end-most     ball-screw    

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CFD Simulation of thermal hydraulic characteristics in a typical upper plenum of RPV

Mingjun WANG, Lianfa WANG, Yingjie WANG, Wenxi TIAN, Jian DENG, Guanghui SU, Suizheng QIU

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 930-945 doi: 10.1007/s11708-021-0728-1

Abstract: Finally, the differences of flowrate distribution at the core outlet and temperature distribution andThe distribution and evolution pattern of the tangential velocity inside hot legs is highly dependent

Keywords： pressurized water reactor (PWR)     upper plenum     internal structures     temperature distribution     computational    

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Comparison and enlightenment on formation condition and distribution characteristics of shale gas between

Li Jianzhong,Li Denghua,Dong Dazhong,Wang Shejiao

Strategic Study of CAE 2012, Volume 14, Issue 6,   Pages 56-63

Abstract:

Shale gas in America mostly comes from thermogenic marine shales, and gas shales mainly distribute in Devonian and Carboniferous of Foreland and Craton basins, while the buried depth is 1 500~3 500 m. Shales in China include 3 types: marine, transitional and lacustrine. Marine shales basically distribute in the lower Paleozoic of Aulacogen and Craton basins;organic-rich concentrated parts are steady-going,and thermal maturity phase and gas content are high,so the explorational prospect is the best. Transitional shales mostly distribute in Carboniferous-Jurassic of Foreland and Craton basins;there is no obvious organic-rich concentrated part, and gas content changes greatly, so the explorational potential needs to be proved. Lacustrine shales typically distribute in Mesozoic and Cenozoic of rift and Craton basins;organic-rich concentrated parts are thick and stable, and explorational potential is probably great in center of depression which reaches generating gas stage.It is forecast that shale gas exploration will take a long time and output will be 50 billion~60 billion m3 in the future.

Keywords： shale gas     formation condition     distribution characteristics     organic rich shale     comparison between China    

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Characteristics and energy distribution of modulated multi-pulse injection modes based diesel HCCI combustion

LIU Bin, SU Wanhua, WANG Hui, HUANG Haozhong

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 420-427 doi: 10.1007/s11708-007-0061-7

Abstract: Cycle fuel energy distribution and combustion characteristics of early in-cylinder diesel homogenous

Keywords： combustion     compression     homogenous     in-cylinder     modulated multi-pulse    

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Enhanced dewatering characteristics of waste activated sludge with Fenton pretreatment: effectiveness

Guangyin ZHEN, Xueqin LU, Baoying WANG, Youcai ZHAO, Xiaoli CHAI, Dongjie NIU, Tiantao ZHAO

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 267-276 doi: 10.1007/s11783-013-0530-3

Abstract: In this work, the enhanced dewaterabing characteristics of waste activated sludge using Fenton pretreatment

Keywords： pretreatment     response surface methodology (RSM)     capillary suction time (CST)     dewaterabilty     molecular weight distribution    

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Ether-/Ester-/Fluorine-Rich Binding Emulsion Formula for Lithium-Ion Batteries Article

Xianqing Zeng, Donglin Han, Zeheng Li, Hongxun Wang, Gu Wu, Yong Deng, Kai Liu, Li Xie, Chengdu Liang, Min Ling, Yuchuan Huang

Engineering 2022, Volume 19, Issue 12,   Pages 199-206 doi: 10.1016/j.eng.2022.05.020

Abstract: properties, stability, and compatibility with the electrolyte solution, and design an ether-/ester-/fluorine-rich

Keywords： Silicon anode     Emulsion copolymerization     Fluorine atom     Ether     Ester    

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China’s Coal Resources: Octothorpe Shaped Distribution Characteristics and Sustainable Development Strategies

Peng Suping,Zhang Bo and Wang Tong

Strategic Study of CAE 2015, Volume 17, Issue 9,   Pages 29-35

Abstract: The systematical identification of distribution pattern and occurrence characteristic of China’Results show that the geographic distribution of China’s coal resources is controlled by two west-eastHingganling-Taihangshan-Xuefengshan Line and Helanshan-Longmenshan Line), and then an octothorpe shaped distributionThe octothorpe shaped division can not only reflect the aggregation and distribution pattern of China

Keywords： coal resources     octothorpe shaped distribution     eastern resource protection     sustainable development    

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Recent Advances in 19Fluorine Magnetic Resonance Imaging with Perfluorocarbon Emulsions Review

Anne H. Schmieder,Shelton D. Caruthers,Jochen Keupp,Samuel A. Wickline,Gregory M. Lanza

Engineering 2015, Volume 1, Issue 4,   Pages 475-489 doi: 10.15302/J-ENG-2015103

Abstract:

The research roots of 19fluorine (19F) magnetic resonance imaging (MRI) date

Keywords： fluorine     magnetic resonance imaging (MRI)     dual-tuned coil     perfluorocarbon     angiogenesis     cell labeling    

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Recovery of rare and precious metals from urban mines—A review

Mengmeng Wang, Quanyin Tan, Joseph F. Chiang, Jinhui Li

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0963-1

Abstract: This study summarizes the distribution characteristics of various RPMs in urban mines, and the advantages

Keywords： Rare and precious metals (RPMs)     Distribution characteristics     Recycling technology     Emerging technology    

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The characteristics of Paleozoic marine hydrocarbon accumulation in China

Kang Yuzhu

Strategic Study of CAE 2010, Volume 12, Issue 5,   Pages 11-17

Abstract:

In the Tarim petroleum geology investigation from 1970 to 1978, the author proposed for the first time that there was developed source rock in the Paleozoic era. A great breakthrough of Paleozoic marine hydrocarbon field was achieved in Shacan No. 2 well in 1982. Through deep research of many Paleozoic marine hydrocarbon fields, the author proposed Paleozoic marine hydrocarbon accumulation theory in 1992, which includes superposition composite basin accumulation, multi-era and multi-layer series petroleum generation, multi-stage accumulation, multi-era and multi-type reservoir-seal assemblage, multi-accumulation model and that hydrocarbon is mainly distributed around paleo-uplift, paleo-slope, fault zone and unconformity.

Keywords： Paleozoic era     marine hydrocarbon field     basin     uplift     depression     hydrocarbon distribution    

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Characteristics and mixing state of S-rich particles in haze episodes in Beijing

Jun Hu, Fengkui Duan, Kebin He, Yongliang Ma, Shuping Dong, Xiande Liu

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0861-y

Abstract: Four types of S-rich particles are identified by SEM/FESEM-EDX With on-line observation, characteristics

Keywords： S-rich particles     Morphology     Element distribution     Mixing state    

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Title Author Date Type Operation

Distribution, enrichment mechanism and risk assessment for fluoride in groundwater: a case study of Mihe-Weihe

Journal Article

Abundance, spatial distribution, and physical characteristics of microplastics in stormwater detention

Journal Article

Distribution, characteristics and daily fluctuations of microplastics throughout wastewater treatment

Journal Article

Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid

YAO Chun-de, ZHOU Hong-xiu

Journal Article

Numerical solution, simulation and testing of the thermal dynamic characteristics of ball-screws

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Journal Article

CFD Simulation of thermal hydraulic characteristics in a typical upper plenum of RPV

Mingjun WANG, Lianfa WANG, Yingjie WANG, Wenxi TIAN, Jian DENG, Guanghui SU, Suizheng QIU

Journal Article

Comparison and enlightenment on formation condition and distribution characteristics of shale gas between

Li Jianzhong,Li Denghua,Dong Dazhong,Wang Shejiao

Journal Article

Characteristics and energy distribution of modulated multi-pulse injection modes based diesel HCCI combustion

LIU Bin, SU Wanhua, WANG Hui, HUANG Haozhong

Journal Article

Enhanced dewatering characteristics of waste activated sludge with Fenton pretreatment: effectiveness

Guangyin ZHEN, Xueqin LU, Baoying WANG, Youcai ZHAO, Xiaoli CHAI, Dongjie NIU, Tiantao ZHAO

Journal Article

Ether-/Ester-/Fluorine-Rich Binding Emulsion Formula for Lithium-Ion Batteries

Xianqing Zeng, Donglin Han, Zeheng Li, Hongxun Wang, Gu Wu, Yong Deng, Kai Liu, Li Xie, Chengdu Liang, Min Ling, Yuchuan Huang

Journal Article

China’s Coal Resources: Octothorpe Shaped Distribution Characteristics and Sustainable Development Strategies

Peng Suping,Zhang Bo and Wang Tong

Journal Article

Recent Advances in 19Fluorine Magnetic Resonance Imaging with Perfluorocarbon Emulsions

Anne H. Schmieder,Shelton D. Caruthers,Jochen Keupp,Samuel A. Wickline,Gregory M. Lanza

Journal Article

Recovery of rare and precious metals from urban mines—A review

Mengmeng Wang, Quanyin Tan, Joseph F. Chiang, Jinhui Li

Journal Article

The characteristics of Paleozoic marine hydrocarbon accumulation in China

Kang Yuzhu

Journal Article

Characteristics and mixing state of S-rich particles in haze episodes in Beijing

Jun Hu, Fengkui Duan, Kebin He, Yongliang Ma, Shuping Dong, Xiande Liu

Journal Article