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Dynamics simulation of bottom high-sediment sea water movement under waves

Xueyi YOU , Wei LIU , Houpeng XIAO ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 312-315 doi: 10.1007/s11709-009-0037-y

Abstract: resuspension and settlement of sediment and the formation of bottom stripe, and the VOF method can tracethe movement of the two interfaces simultaneously; the movement of the air-water interface has a strongeffect on that of the water-sediment water interface, while the effect of the water-sediment water interfacemovement on the air-water interface is not obvious.

Keywords： volume of fluid (VOF) method     high sediment sea water     numerical simulation     interface trace     Navier-Stokes    

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Assessment of mobile and potential mobile trace elements extractability in calcareous soils using different

Mohsen Jalali, Ziba Hurseresht

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 1, doi: 10.1007/s11783-019-1186-4

Abstract: In NH4OAc, DTPA, and EDTA, the possibility of re-adsorption of trace elements is low.Understanding trace elements mobility in soils, extracting agents, and their relationships with soilwhereas NaNO3 and CaCl2 have shown different behavior than other extracting agents for all studied traceThe speciation of extracted trace elements in solutions indicated that in the CaCl2, NaNO3, NH4NO3, andThe results of speciation of trace elements using NH4OAc, DTPA, and EDTA extracting agents showed that

Keywords： Mobility     Calcareous soils     Extracting agents     Trace elements    

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Preconcentration of trace elements by adsorption onto a niobium wire for electrothermal atomization atomic

Satoshi KANECO, Hiroaki KITANAGA, Hideyuki KATSUMATA, Tohru SUZUKI

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 432-435 doi: 10.1007/s11705-012-1219-z

Abstract: In the present work, a new preconcentration method of trace elements by adsorption onto a niobium wire

Keywords： onto niobium wire     electrothermal atomization atomic absorption spectrometry     tungsten tube atomizer     trace    

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Assessing human bioaccessibility of trace contaminants in size-fractionated red mud, derived precipitates

Chunfeng Wang, Yanchen Zhu, Dan Yao, Guanfei Chen, Lianjun Wang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0956-0

Abstract: The objective of this study was to provide insight into human exposure to trace contaminants bearingThe in vitro bioaccessibility behavior of trace contaminants was investigated with the PBET (physiologicallyThe results showed that total contents of trace contaminants and operation parameters, such as pH andAs for airborne particles (<38 µm size fractions), trace contaminants concentrations extracted by MGSEven though short-term and long-term leaching values of trace contaminants were relatively lower in the

Keywords： Bioaccessibility     Trace contaminants     Red mud     Precipitates     Geopolymeric blocks.    

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The energy-free purification of trace thallium(I)-contaminated potable water using a high-selective filter

Frontiers of Chemical Science and Engineering doi: 10.1007/s11705-023-2379-8

Abstract: Thallium is a highly toxic metal, and trace amount of thallium(I) (Tl+) in potable water could

Keywords： membrane adsorption     Prussian blue     energy-free filtration     potable water     trace thallium(I)    

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Effect of interface adhesion factor on the bearing capacity of strip footing placed on cohesive soil

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1494-1503 doi: 10.1007/s11709-021-0768-y

Abstract: By considering the different values of interface adhesion factor (αcr) between the

Keywords： bearing capacity     soil-rock interface     Hoek−Brown yield criterion     plasticity     limit analysis    

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Biodegradation of trace pharmaceutical substances in wastewater by a membrane bioreactor

Longli BO, Taro URASE, Xiaochang WANG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 236-240 doi: 10.1007/s11783-009-0004-9

Abstract: The biodegradation of selected pharmaceutical micropollutants, including two pharmaceuticals with argued biodegradation, was studied by a lab-scale membrane bioreactor. The reaction kinetics and affecting factors were also investigated in this paper. Clofibric acid (CA) with contradictive biodegradation reported was degraded almost completely at different hydraulic retention times (HRTs) after adaptation to microorganisms. The biodegradation of CA was disturbed at low pH operation, while the activity of microorganisms recovered again after pH adjustment to neutral condition. Ibuprofen (IBP) degraded under neutral and acidic conditions. Removals of IBP and CA were zero-order and first-order reactions under high and low initial concentrations, respectively. Carbamazepine and diclofenac were not degraded regardless of HRTs and pH.

Keywords： pharmaceuticals     membrane bioreactor     activated sludge     reaction kinetics    

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PSS sorbents for removing trace hydrogen sulfide in methane

Limei ZHONG, Li ZHOU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 339-342 doi: 10.1007/s11705-010-0569-7

Abstract: Sorbents of the pressure swing sorption process (PSS) to remove trace amount of H S (190 ppm) contained

Keywords： pressure swing sorption     H2S     methane     carrier     absorbent    

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Experimental verification of the interface wave method to detect interlaminar damage of a metal multilayer

Bing LI,Xu GENG,Tong LU,Lei QIANG,Minghang LI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 380-391 doi: 10.1007/s11465-015-0365-7

Abstract:

The interface wave traveling along the boundary of two materials has been studied for nearly a centuryHowever, experiments, engineering applications, and interface wave applications to the non-destructiveFirst, the wave velocity and wave structure of Stoneley waves at a perfectly bonded aluminum-steel interface

Keywords： crack localization     interface waves     Stoneley waves     interlaminar damage     multilayer structure    

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Error compensation for tool-tip trace during cutting of laminated paper for rapid prototyping

Yucheng DING, Changhe LI, Dichen LI, Guoxin YU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 111-119 doi: 10.1007/s11465-009-0020-2

Abstract: Laminated object manufacturing (LOM) is one of the commercialized rapid prototyping (RP) processes, where a focused laser is usually used to cut the cross-section contours of a 3 D part and the grid hatchings of the part-exterior region on a sheet paper stack-wise. Using a laser beam as a cutter can be costly, and the thermal burning of a sheet paper along a laser scanning path can also cause an environment-polluting smoke. This paper presents a paper laminating RP system using a knife as the paper cutter instead of a laser beam. The knife holder is mounted through a radial bearing on the - positioning mechanism in such a way that the knife tip is eccentric to the bearing axis by a small distance (so-called offset). Therefore, the knife tip, which engages into the sheet paper during cutting, tends to follow the path of the -driven bearing axis by the error that depends on the path tangential and the eccentricity of the knife tip. A tractrix model is applied to describe the kinetic motion of the knife tip and a method is formulated to compensate for the tracing error of the eccentric knife tip by modifying the original cross-section contours of the part for each layer based on the tractrix equation. A study has also been performed regarding the effect of the knife tip geometry on the cutting notch of the sheet paper and on the roughness of the finished part.

Keywords： rapid prototyping     laminated object manufacturing     knife-cutting     tracing error    

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Occurrence and health risk assessment of trace heavy metals via groundwater in Shizhuyuan Polymetallic

Bingbing XU,Qiujin XU,Cunzhen LIANG,Li LI,Lijia JIANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 482-493 doi: 10.1007/s11783-014-0675-8

Abstract: In particular, this study focused on the exposure and the health risk assessment of trace heavy metal

Keywords： groundwater     heavy metal     health risk assessment     mine area    

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Research progress in removal of trace carbon dioxide from closed spaces

ZHANG Yatao, FAN Lihai, ZHANG Lin, CHEN Huanlin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 310-316 doi: 10.1007/s11705-007-0057-x

Abstract: In this paper, the removal of trace carbon dioxide from closed spaces through membrane process and biotransformation

Keywords： removal efficiency     consumption     removal     CO removal     membrane microalgae    

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Degradation of trace nitrobenzene in water by microwave-enhanced H

Honghu ZENG, Lanjing LU, Meina LIANG, Jie LIU, Yanghong LI

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 477-483 doi: 10.1007/s11783-012-0395-x

Abstract: To evaluate possible use of microwave-enhanced H O -based (MW/H O ) process to degrade trace nitrobenzene

Keywords： microwave     hydrogen peroxide     nitrobenzene     humic acid    

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Multi-objective optimization of surface texture for the slipperswash plate interface in EHA pumps

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0704-4

Abstract: multi-objective optimization model to obtain the arbitrarily surface textures design of the slipper/swash plate interface

Keywords： electro-hydrostatic actuator     axial piston pump     slipper/swash plate interface     multi-objective optimization    

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Thermal analysis of lubricated three-dimensional contact bodies considering interface roughness

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0672-8

Abstract: The thermal behaviors of the contact interface are studied in a wide range of working conditions.

Keywords： thermal elastohydrodynamic lubrication     surface roughness effect     thermal effect     temperature characteristics     severe conditions    

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Title Author Date Type Operation

Dynamics simulation of bottom high-sediment sea water movement under waves

Xueyi YOU , Wei LIU , Houpeng XIAO ,

Journal Article

Assessment of mobile and potential mobile trace elements extractability in calcareous soils using different

Mohsen Jalali, Ziba Hurseresht

Journal Article

Preconcentration of trace elements by adsorption onto a niobium wire for electrothermal atomization atomic

Satoshi KANECO, Hiroaki KITANAGA, Hideyuki KATSUMATA, Tohru SUZUKI

Journal Article

Assessing human bioaccessibility of trace contaminants in size-fractionated red mud, derived precipitates

Chunfeng Wang, Yanchen Zhu, Dan Yao, Guanfei Chen, Lianjun Wang

Journal Article

The energy-free purification of trace thallium(I)-contaminated potable water using a high-selective filter

Journal Article

Effect of interface adhesion factor on the bearing capacity of strip footing placed on cohesive soil

Journal Article

Biodegradation of trace pharmaceutical substances in wastewater by a membrane bioreactor

Longli BO, Taro URASE, Xiaochang WANG

Journal Article

PSS sorbents for removing trace hydrogen sulfide in methane

Limei ZHONG, Li ZHOU

Journal Article

Experimental verification of the interface wave method to detect interlaminar damage of a metal multilayer

Bing LI,Xu GENG,Tong LU,Lei QIANG,Minghang LI

Journal Article

Error compensation for tool-tip trace during cutting of laminated paper for rapid prototyping

Yucheng DING, Changhe LI, Dichen LI, Guoxin YU

Journal Article

Occurrence and health risk assessment of trace heavy metals via groundwater in Shizhuyuan Polymetallic

Bingbing XU,Qiujin XU,Cunzhen LIANG,Li LI,Lijia JIANG

Journal Article

Research progress in removal of trace carbon dioxide from closed spaces

ZHANG Yatao, FAN Lihai, ZHANG Lin, CHEN Huanlin

Journal Article

Degradation of trace nitrobenzene in water by microwave-enhanced H

Honghu ZENG, Lanjing LU, Meina LIANG, Jie LIU, Yanghong LI

Journal Article

Multi-objective optimization of surface texture for the slipperswash plate interface in EHA pumps

Journal Article

Thermal analysis of lubricated three-dimensional contact bodies considering interface roughness

Journal Article