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

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 tungstentube atomizer.

Keywords： preconcentration     adsorption onto niobium wire     electrothermal atomization atomic absorption spectrometry     tungstentube atomizer     trace elements    

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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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Hysteretic behavior of cambered surface steel tube damper: Theoretical and experimental research

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 606-624 doi: 10.1007/s11709-023-0925-6

Abstract: A novel cambered surface steel tube damper (CSTD) with a cambered surface steel tube and two concaveThe steel tube is the main energy dissipation component and comprises a weakened segment in the middleSubsequently, two CSTD specimens with different steel tube thicknesses are fabricated and tested underA parametric study is conducted to investigate the effects of the steel tube height, diameter, and thicknessCompared with equal-stiffness design steel tube dampers, the CSTD exhibits better energy dissipation

Keywords： cambered surface steel tube damper     energy dissipation capacity     finite element model     hysteretic performance    

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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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Transversal tube pitch effects on local heat transfer characteristics of the flat tube bank fin mounted

Liangbi WANG, Zhimin LIN, Kangjie SUN, Yuanxin DONG, Song LIU, Yongheng ZHANG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 333-345 doi: 10.1007/s11708-009-0061-6

Abstract: The tube bank fin is commonly used to increase the area of the heat transfer surface with a small heatThis paper focused on the effect of transversal tube pitch on the local heat transfer performance ofthe three-row flat tube bank fin mounted with VGs.On the fin surface, constructing the flow channel but without mounted VGs, the transversal tube pitchLarge transversal tube pitch is more sensitive to fin material than to fin thickness.

Keywords： heat transfer enhancement     vortex generator     finned flat tube bank     heat exchanger    

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Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 516-526 doi: 10.1007/s11708-022-0844-6

Abstract: A two-stage gas-coupled Stirling/pulse tube refrigerator (SPR), whose first and second stages respectivelyinvolve Stirling and pulse tube refrigeration cycles, is a very promising spaceborne refrigerator.

Keywords： Stirling/pulse tube refrigerator     displacer displacement     space application     phase shift     energy distribution    

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Genetic evidence in planar cell polarity signaling pathway in human neural tube defects

Chunquan Cai, Ouyan Shi

Frontiers of Medicine 2014, Volume 8, Issue 1,   Pages 68-78 doi: 10.1007/s11684-014-0308-4

Abstract:

Neural tube defects (NTDs) are a group of birth anomalies having a profound physical, emotional, andpolarity (PCP) pathway controls the process of convergent extension (CE) during gastrulation and neural tube

Keywords： planar cell polarity     neural tube defects     rare mutations    

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Experimental and statistical investigation of a new concrete-composite beam with encased polymer tube

Abdelmadjid SI SALEM,Souad AIT TALEB,Kamal AIT TAHAR

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 154-162 doi: 10.1007/s11709-015-0296-8

Abstract: The proposed design technique consists to embed a cylindrical polymer tube wrapped by a GFRP Jacket in

Keywords： design     GFRP-Jacket     polymer tube     test     reliability analysis    

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Thermal-hydraulic performance of novel louvered fin using flat tube cross-flow heat exchanger

DONG Junqi, CHEN Jiangping, CHEN Zhijiu

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 99-106 doi: 10.1007/s11708-008-0010-9

Abstract: investigate the air-side heat transfer and pressure drop characteristics of a novel louvered fins and flat tubeof tests were conducted for 9 heat exchangers with different fin space and fin length, at a constant tube-side

Keywords： obvious effect     different     thermal hydraulic     constant tube-side     Colburn    

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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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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 tungsten

Keywords： microelectrode     tungsten tip     gold colloids     tetracycline    

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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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Calculation and analysis of sub/supercritical methanol preheating tube for continuous production of biodiesel

Wen CHEN, Weiyong YING, Cunwen WANG, Weiguo WANG, Yuanxin WU, Junfeng ZHANG,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 423-431 doi: 10.1007/s11708-009-0075-0

Abstract: A methanol preheating tube is necessary for the tubular reaction system because the reaction temperatureproperties, an integration method is adopted for the design of sub/supercritical methanol preheating tube#59976;K to 600K at 16MPa and the influencing factors on the length of the preheating tubetime, the increase of tin bath’s temperature can shorten the required length of the preheating tubeAt the inlet flow rate of 0.5m/s, the required length of the preheating tube is 2.0m

Keywords： sub/supercritical methanol     preheating tube     integration method     biodiesel    

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Title Author Date Type Operation

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

Satoshi KANECO, Hiroaki KITANAGA, Hideyuki KATSUMATA, Tohru SUZUKI

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

Hysteretic behavior of cambered surface steel tube damper: Theoretical and experimental research

Journal Article

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

Li Honggui,Li Yunjiao,Sun Peimei,Liu Maosheng

Journal Article

Transversal tube pitch effects on local heat transfer characteristics of the flat tube bank fin mounted

Liangbi WANG, Zhimin LIN, Kangjie SUN, Yuanxin DONG, Song LIU, Yongheng ZHANG,

Journal Article

Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Journal Article

Genetic evidence in planar cell polarity signaling pathway in human neural tube defects

Chunquan Cai, Ouyan Shi

Journal Article

Experimental and statistical investigation of a new concrete-composite beam with encased polymer tube

Abdelmadjid SI SALEM,Souad AIT TALEB,Kamal AIT TAHAR

Journal Article

Thermal-hydraulic performance of novel louvered fin using flat tube cross-flow heat exchanger

DONG Junqi, CHEN Jiangping, CHEN Zhijiu

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

Gold modified microelectrode for direct tetracycline detection

Hongtao WANG, Huimin ZHAO, Xie QUAN

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

Calculation and analysis of sub/supercritical methanol preheating tube for continuous production of biodiesel

Wen CHEN, Weiyong YING, Cunwen WANG, Weiguo WANG, Yuanxin WU, Junfeng ZHANG,

Journal Article