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Gold modified microelectrode for direct tetracycline detection

Hongtao WANG, Huimin ZHAO, Xie QUAN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 313-319 doi: 10.1007/s11783-011-0323-5

Abstract: tetracycline (TC) by the microelectrode, which was fabricated by electrodeposited gold colloids on tungstentip.

Keywords： microelectrode     tungsten tip     gold colloids     tetracycline    

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Design of ultrasonic elliptical vibration cutting system for tungsten heavy alloy

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0715-1

Abstract: Nanoscale surface roughness of tungsten heavy alloy components is required in the nuclear industry andelliptical vibration cutting (UEVC) system is developed to solve the precision machining problem of tungstenDifferent microtopography and surface roughness are obtained by the cutting experiments of tungsten heavyoptimization basis for further improving the machining quality of the curved surface components of tungsten

Keywords： tungsten heavy alloy     ultrasonic elliptical vibration cutting     Timoshenko’s theory     resonant mode of    

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Platinum on nitrogen doped graphene and tungsten carbide supports for ammonia electro-oxidation reaction

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 930-938 doi: 10.1007/s11705-021-2130-2

Abstract: In this study, Pt/nitrogen-doped graphene (NDG) and Pt/tungsten monocarbide (WC)/NDG are synthesized

Keywords： Ammonia electro-oxidation reaction     electrocatalyst supports     platinum     nitrogen doped graphene     tungsten    

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Synthesis, characterization and hydrotreating performance of supported tungsten phosphide catalysts

SUN Guida, LI Cuiqing, ZHOU Zhijun, LI Fengyan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 155-164 doi: 10.1007/s11705-008-0038-8

Abstract: Supported tungsten phosphide catalysts were prepared by temperature-programmed reduction of their precursors

Keywords： tungsten phosphide     differential thermal     catalyst surface     industrial NiW/-AlO     general    

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Thermo-elastic extended meshfree method for fracture without crack tip enrichment

A. ASADPOUR

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 441-447 doi: 10.1007/s11709-015-0319-5

Abstract: presenting an extended meshfree method for thermo- elastic fracture which does not exploit a crack tipTo ensure that crack tip is at the correct position, a Lagrange multiplier field ahead of the crack tip

Keywords： meshfree method     thermo-elasticity    

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Review: Tip-based vibrational spectroscopy for nanoscale analysis of emerging energy materials

Amun JARZEMBSKI, Cedric SHASKEY, Keunhan PARK

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 43-71 doi: 10.1007/s11708-018-0524-8

Abstract: The discussed methods utilize the AFM tip as a nanoscopic tool to extract spatially resolved electronicresponse, optical scattering, and atomic force interactions, all of which can be readily probed by an AFM tipTherefore, they use the AFM tip as a thermal detector to directly relate absorbed IR light to the thermalthe light absorption by molecular vibrational resonances using AFM’s superb sensitivity in detecting tip-sample

Keywords： spectroscopy     atomic force microscopy     photo-thermal induced resonance     scanning near-field optical microscopy     tip-enhanced    

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Measurement and analysis of tip clearance unsteady flow spectrum in axial-flow fan rotor

LIU Bo, HOU Weimin, MA Changyou, WANG Yangang, ZHOU Qiang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 448-452 doi: 10.1007/s11708-008-0088-0

Abstract: The tip clearance unsteady flow development from the inlet to the outlet of an axial-flow rotor was revealedby analyzing pressure frequency spectrum acquired from measuring the unsteady pressure field of the tipThe experiment provides test basis for thoroughly understanding the tip clearance unsteady flow and buildinginteraction models of tip clearance flow and main flow.

Keywords： development     endwall     unsteady pressure     pressure measurement     experiment    

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adsorption onto a niobium wire for electrothermal atomization atomic absorption spectrometry with a tungsten

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: wire has been developed for electrothermal atomization atomic absorption spectrometry (ETAAS) with a tungsten

Keywords： preconcentration     adsorption onto niobium wire     electrothermal atomization atomic absorption spectrometry     tungsten    

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Stress field near circular-arc interface crack tip based on electric saturation concept

Longchao DAI, Xinwei WANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 320-325 doi: 10.1007/s11465-009-0042-9

Abstract: complex potentials in both the matrix and the inclusion, and the stress intensity factor at the crack tip

Keywords： piezoelectric material     arc crack     strip saturation     stress intensity factor    

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Studies on the Inhibition of Impurities in Caustic Decomposition of Tungsten Concentrates

Li Honggui,Li Yunjiao,Sun Peimei,Liu Maosheng

Strategic Study of CAE 2000, Volume 2, Issue 3,   Pages 59-61

Abstract:

The Inhibition of impurities of As, P, Si and Sn in the caustic decomposition of tungsten concentrates

Keywords： metallurgy of tungsten     caustic decomposition     inhibition of impurities    

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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: Therefore, the knife tip, which engages into the sheet paper during cutting, tends to follow the pathdriven bearing axis by the error that depends on the path tangential and the eccentricity of the knife tipA tractrix model is applied to describe the kinetic motion of the knife tip and a method is formulatedto compensate for the tracing error of the eccentric knife tip by modifying the original cross-sectionA study has also been performed regarding the effect of the knife tip geometry on the cutting notch of

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

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A Breakthrough in Pressure Generation by a Kawai-Type Multi-Anvil Apparatus with Tungsten Carbide Anvils Review

Takayuki Ishii, Zhaodong Liu, Tomoo Katsura

Engineering 2019, Volume 5, Issue 3,   Pages 434-440 doi: 10.1016/j.eng.2019.01.013

Abstract:

Expansion of the pressure range of Kawai-type multi-anvil presses (KMAPs) with tungsten carbide (WC

Keywords： High pressure     Multi-anvil apparatus     Tungsten carbide anvil     Sintered diamond anvil     Lower mantle    

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Shock Tensile Behaviour of Tungsten Alloy and Presentations to Its Constitutive Models and Fracture Criterion

Zhang Baoping,Ding Chuntong,Liu Baohua,Chen Xuelian

Strategic Study of CAE 2003, Volume 5, Issue 3,   Pages 44-50

Abstract:

The shock tensile stress-strain curves of 93% wt. tungsten alloy at different strain rates &epsilon

Keywords： constitutive model for dynamic tension     tungsten alloy     criterion to dynamic failure    

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Highly efficient and selective removal of vanadium from tungstate solutions by microbubble floating-extraction

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 581-593 doi: 10.1007/s11705-022-2235-2

Abstract: Selective separation of dissolved tungsten and vanadium is of great significance for the utilizationThe results indicated that vanadium can be more easily mineralized over tungsten from tungstate solutionsAdditionally, the deep recovery of tungsten and vanadium from the floated organic phase could be easilyUnder the optimal conditions, the removal efficiency of vanadium reached 98.5% with tungsten loss below

Keywords： tungsten     vanadium     selective separation     reagent mineralization     microbubble floating-extraction    

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Whole-Process Pollution Control for Cost-Effective and Cleaner Chemical Production—A Case Study of the Tungsten Article

Hongbin Cao, He Zhao, Di Zhang, Chenming Liu, Xiao Lin, Yuping Li, Pengge Ning, Jiajun Sun, Yi Zhang, Zhi Sun

Engineering 2019, Volume 5, Issue 4,   Pages 768-776 doi: 10.1016/j.eng.2019.01.010

Abstract:

In this research, a methodology named whole-process pollution control (WPPC) is demonstrated that improves the effectiveness of process optimization. This methodology considers waste/emission treatment as a step of the whole production process with respect to the minimization of cost and environmental impact for the whole process. The following procedures are introduced in a WPPC process optimization: ① a material and energy flow investigation and optimization based on a systematic understanding of the distribution and physiochemical properties of potential pollutants; ② a process optimization to increase the utilization efficiency of different elements and minimize pollutant emissions; and ③ an evaluation to reveal the effectiveness of the optimization strategies. The production of ammonium paratungstate was chosen for the case study. Two factors of the different optimization schemes—namely the cost-effectiveness factor and the environmental impact indicator—were evaluated and compared. This research demonstrates that by considering the nature of potential pollutants, technological innovations, economic viability, environmental impacts, and regulation requirements, WPPC can efficiently optimize a metal production process.

Keywords： Whole-process pollution control     Process optimization     Industrial pollution     Tungsten    

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Title Author Date Type Operation

Gold modified microelectrode for direct tetracycline detection

Hongtao WANG, Huimin ZHAO, Xie QUAN

Journal Article

Design of ultrasonic elliptical vibration cutting system for tungsten heavy alloy

Journal Article

Platinum on nitrogen doped graphene and tungsten carbide supports for ammonia electro-oxidation reaction

Journal Article

Synthesis, characterization and hydrotreating performance of supported tungsten phosphide catalysts

SUN Guida, LI Cuiqing, ZHOU Zhijun, LI Fengyan

Journal Article

Thermo-elastic extended meshfree method for fracture without crack tip enrichment

A. ASADPOUR

Journal Article

Review: Tip-based vibrational spectroscopy for nanoscale analysis of emerging energy materials

Amun JARZEMBSKI, Cedric SHASKEY, Keunhan PARK

Journal Article

Measurement and analysis of tip clearance unsteady flow spectrum in axial-flow fan rotor

LIU Bo, HOU Weimin, MA Changyou, WANG Yangang, ZHOU Qiang

Journal Article

adsorption onto a niobium wire for electrothermal atomization atomic absorption spectrometry with a tungsten

Satoshi KANECO, Hiroaki KITANAGA, Hideyuki KATSUMATA, Tohru SUZUKI

Journal Article

Stress field near circular-arc interface crack tip based on electric saturation concept

Longchao DAI, Xinwei WANG

Journal Article

Studies on the Inhibition of Impurities in Caustic Decomposition of Tungsten Concentrates

Li Honggui,Li Yunjiao,Sun Peimei,Liu Maosheng

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

A Breakthrough in Pressure Generation by a Kawai-Type Multi-Anvil Apparatus with Tungsten Carbide Anvils

Takayuki Ishii, Zhaodong Liu, Tomoo Katsura

Journal Article

Shock Tensile Behaviour of Tungsten Alloy and Presentations to Its Constitutive Models and Fracture Criterion

Zhang Baoping,Ding Chuntong,Liu Baohua,Chen Xuelian

Journal Article

Highly efficient and selective removal of vanadium from tungstate solutions by microbubble floating-extraction

Journal Article

Whole-Process Pollution Control for Cost-Effective and Cleaner Chemical Production—A Case Study of the Tungsten

Hongbin Cao, He Zhao, Di Zhang, Chenming Liu, Xiao Lin, Yuping Li, Pengge Ning, Jiajun Sun, Yi Zhang, Zhi Sun

Journal Article