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Novel technologies for the lost foam casting process

Wenming JIANG, Zitian FAN

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 37-47 doi: 10.1007/s11465-018-0473-2

Abstract: mechanical properties for the Al and Mg LFC processes, and defective carburization for the low carbonthese problems, the present study developed several novel LFC technologies, namely, LFC technologies undervacuum and low pressure, vibration solidification, and pressure solidification conditions; expendableThe results showed that the LFC under vacuum and low pressure evidently improved the filling abilityThe vibration and pressure solidifications increased the compactness of the castings and refined the

Keywords： LFC under vacuum and low pressure     vibration solidification     pressure solidification     expendable shell casting    

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Lateral displacement of soft ground under vacuum pressure and surcharge load

Chin-Yee ONG, Jin-Chun CHAI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 239-248 doi: 10.1007/s11709-011-0110-1

Abstract: Ideally, combination of surcharge load and vacuum pressure can reduce or minimize the lateral displacementconducted to investigate the main influencing factors on lateral displacement of a soft clayey ground underthe combination of vacuum pressure and surcharge load.pressure ( ) and the loading rate of the surcharge load ( ).To predict the lateral displacement of a ground under the combination of surcharge load and vacuum pressure

Keywords： vacuum consolidation     lateral displacement     PVD     finite element analysis     surcharge load    

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Catalytic ozonation of reactive red X-3B in aqueous solution under low pressure: decolorization and OH

Hong SUN,Min SUN,Yaobin ZHANG,Xie QUAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 591-595 doi: 10.1007/s11783-014-0694-5

Abstract: The operating variables such as reaction pressure and ozone supply had a positive influence on the degradation

Keywords： catalytic ozonation     reactive red X-3B     ceramic honeycomb     hydroxyl radical (OH·)    

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Experiments on the effect of the pressure on the mineral transformation of coal ash under the different

Nijie JING, Qinhui WANG, Zhongyang LUO, Tao JIE, Xiaomin LI, Kefa CEN

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 394-399 doi: 10.1007/s11705-010-0505-x

Abstract: effect of the pressures, reaction atmospheres and coal ash species on the ash fusibility with high-pressureMany low-temperature minerals are still present under the elevated pressure.Under the N atmosphere, the present microcline may decrease the melting temperature of coal ash.present with the increase in pressure; this may reduce the melting temperature.While under the H O atmosphere, there are magnetite and anorthoclase, which may produce the low-temperature

Keywords： ash fusibility     XRD analysis     PTGA     low-temperature eutectic    

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Technological Development of High Speed Maglev System Based on Low Vacuum Pipeline

Feng Zhongwei, Fang Xing, Li Hongmei, Cheng Aijun, Pan Yongjie

Strategic Study of CAE 2018, Volume 20, Issue 6,   Pages 105-111 doi: 10.15302/J-SSCAE-2018.06.017

Abstract: of the magnetic levitation technique to reduce wheel-rail friction and vibration, construction of a lowvacuum operating environment to reduce air resistance and noise is an important development directionThis paper expounds the significance of developing a high speed maglev system based on low vacuum pipelines

Keywords： rail transit     low vacuum pipes     high speed maglev     system technology    

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Theoretical study of failure in composite pressure vessels subjected to low-velocity impact and internalpressure

Roham RAFIEE, Hossein RASHEDI, Shiva REZAEE

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1349-1358 doi: 10.1007/s11709-020-0650-3

Abstract: aimed to be developed in this research for predicting the failure in internally pressurized composite pressurevessels exposed to low-velocity impact.For this purpose, layer-wise theory is employed in a composite cylinder under internal pressure and low-velocity

Keywords： composite pressure vessel     low-velocity impact     failure     theoretical solution     progressive damage modeling    

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A biofilter model for simultaneous simulation of toluene removal and bed pressure drop under varied inlet

Jinying XI,Insun KANG,Hongying HU,Xian ZHANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 554-562 doi: 10.1007/s11783-014-0671-z

Abstract: is developed to simultaneously predict the Volatile Organic Compounds (VOCs) removal and filter bed pressuredrop under varied inlet loadings.The calculated toluene removal efficiency and bed pressure drop satisfactorily fit the experimental dataunder varied inlet toluene loadings, which indicates the model in this study can be used to predictVOCs removal and bed pressure drop simultaneously.

Keywords： Volatile Organic Compounds (VOCs)     biofilters     modelling     biomass accumulation     pressure drop    

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Ionic strength directed self-assembled polyelectrolyte single-bilayer membrane for low-pressure nanofiltration

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 699-708 doi: 10.1007/s11705-021-2093-3

Abstract: –2∙h–1∙bar–1 and Na2SO4 rejection of 97.1% ± 0.8% undera low applied pressure of 1 bar.

Keywords： layer-by-layer self-assembly     single bilayer     nanofiltration membrane     desalination    

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Using mRNA to investigate the effect of low-pressure ultraviolet disinfection on the viability of

Chao Yang, Wenjun Sun, Xiuwei Ao

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1111-x

Abstract:

UV can induce damages on mRNA consistently among different genes.

SOS response was more active after UV treatment.

Programmed cell death was not found to be more active after UV treatment.

Keywords： UV disinfection     Viability     mRNA     SOS response     Programmed cell death    

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Study of the robustness of a low-temperature dual-pressure process for removal of CO

Stefania Moioli, Laura A. Pellegrini, Paolo Vergani, Fabio Brignoli

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 209-225 doi: 10.1007/s11705-017-1688-1

Abstract: by most of world population and the consequent increasing demand for energy are making unexploited lowtoo energy intensive and the overall system may result unprofitable, therefore new technologies are underIn this work, a new process for the purification of natural gas based on a low temperature distillation

Keywords： CO2 capture     innovative process     cryogenic distillation     dynamic simulation     solid-liquid-vapor equilibrium    

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Simulation of flow excursion and thermal siphon under natural circulation condition with lower pressure

WANG Jianjun, YANG Xingtuan, JIANG Shengyao

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 169-173 doi: 10.1007/s11708-008-0044-z

Abstract: The simulation of flow excursion was conducted under HRTL-5 condition.

Keywords： HRTL-5     experiment     circulation     simulation     thermal    

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Simultaneous nitrification and denitrification in activated sludge system under low oxygen concentration

ZHANG Peng, ZHOU Qi

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 49-52 doi: 10.1007/s11783-007-0009-1

Abstract: In order to find the suitable conditions of this process, a mixed flow activated sludge system underlow oxygen concentration is investigated, and some key control parameters are examined for nitrogen removal

Keywords： synthetic wastewater     accessible     Simultaneous nitrification     MLSS·d     diffusion    

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Spray characteristics of high-pressure swirl injector fueled with alcohol

WANG Xibin, CHEN Wansheng, GAO Jian, JIANG Deming, HUANG Zuohua

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 105-112 doi: 10.1007/s11708-007-0012-z

Abstract: Under the low back-pressure ambient conditions, the spray behavior exhibited a hollow cone with wideVortexes in the opposite direction existed in the rear part of the spray under low back-pressure ambientconditions while the vortexes formed in the middle part under high back-pressure ambient conditions.The SMD profile of methanol coincided well with that of ethanol under low back-pressure ambient conditions, but displayed a slightly larger value under high back-pressure due to fuel evaporation.

Keywords： low back-pressure     diameter     initial spray     hollow     middle    

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Experimental study and product analysis of lignocellulosic biomass hydrolysis under extremely low acids

WANG Shurong, LUO Zhongyang, CEN Kefa, ZHUANG Xinshu

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 268-272 doi: 10.1007/s11708-008-0046-x

Abstract: Using our self-designed facility for lignocellulosic biomass hydrolysis under extremely low acid, andunder the optimal reaction conditions of hemicellulose and cellulose determined by xylan and quantitative

Keywords： HPLC     oligosaccharide     lignocellulosic     chromatography     reducing    

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Start-up of PN-anammox system under low inoculation quantity and its restoration after low-loading rate

Guoliang Zhang, Liang Zhang, Xiaoyu Han, Shujun Zhang, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1324-z

Abstract: Abstract • PN-A was start-up under low inoculation amount and a higher NRR was achieved. • PN-anammoxIn this study, PN-anammox was initialized with low inoculation quantity in an air-lift reactor.Thereafter, excess nitrate build-up was observed under low-loading conditions, and recovery strategies

Keywords： PN-anammox     Granular sludge     Excess nitrate build-up     Recovery strategy for partial nitrification     Aggressive discharge of sludge    

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Title Author Date Type Operation

Novel technologies for the lost foam casting process

Wenming JIANG, Zitian FAN

Journal Article

Lateral displacement of soft ground under vacuum pressure and surcharge load

Chin-Yee ONG, Jin-Chun CHAI

Journal Article

Catalytic ozonation of reactive red X-3B in aqueous solution under low pressure: decolorization and OH

Hong SUN,Min SUN,Yaobin ZHANG,Xie QUAN

Journal Article

Experiments on the effect of the pressure on the mineral transformation of coal ash under the different

Nijie JING, Qinhui WANG, Zhongyang LUO, Tao JIE, Xiaomin LI, Kefa CEN

Journal Article

Technological Development of High Speed Maglev System Based on Low Vacuum Pipeline

Feng Zhongwei, Fang Xing, Li Hongmei, Cheng Aijun, Pan Yongjie

Journal Article

Theoretical study of failure in composite pressure vessels subjected to low-velocity impact and internalpressure

Roham RAFIEE, Hossein RASHEDI, Shiva REZAEE

Journal Article

A biofilter model for simultaneous simulation of toluene removal and bed pressure drop under varied inlet

Jinying XI,Insun KANG,Hongying HU,Xian ZHANG

Journal Article

Ionic strength directed self-assembled polyelectrolyte single-bilayer membrane for low-pressure nanofiltration

Journal Article

Using mRNA to investigate the effect of low-pressure ultraviolet disinfection on the viability of

Chao Yang, Wenjun Sun, Xiuwei Ao

Journal Article

Study of the robustness of a low-temperature dual-pressure process for removal of CO

Stefania Moioli, Laura A. Pellegrini, Paolo Vergani, Fabio Brignoli

Journal Article

Simulation of flow excursion and thermal siphon under natural circulation condition with lower pressure

WANG Jianjun, YANG Xingtuan, JIANG Shengyao

Journal Article

Simultaneous nitrification and denitrification in activated sludge system under low oxygen concentration

ZHANG Peng, ZHOU Qi

Journal Article

Spray characteristics of high-pressure swirl injector fueled with alcohol

WANG Xibin, CHEN Wansheng, GAO Jian, JIANG Deming, HUANG Zuohua

Journal Article

Experimental study and product analysis of lignocellulosic biomass hydrolysis under extremely low acids

WANG Shurong, LUO Zhongyang, CEN Kefa, ZHUANG Xinshu

Journal Article

Start-up of PN-anammox system under low inoculation quantity and its restoration after low-loading rate

Guoliang Zhang, Liang Zhang, Xiaoyu Han, Shujun Zhang, Yongzhen Peng

Journal Article