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Brazing of ceramic-to-ceramic and ceramic-to-metal joints in air

Kirsten BOBZIN, Thomas SCHLAEFER, Lidong ZHAO, Nils KOPP, Arne SCHLEGEL

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 125-129 doi: 10.1007/s11465-010-0007-z

Abstract: Reactive air brazing (RAB) is an emerging technology for the production of ceramic-to-ceramic and ceramic-to-metalIn this study, RAB was investigated with respect to the potential applications for solid oxide fuel cellsIt was found that alumina could be well brazed by RAB with AgCu and AgCuTi brazes.Both braze composition and brazing temperature influenced significantly the wetting behavior and their

Keywords： reactive air brazing (RAB)     X1CrTiLa22     Al2O3     yttria stabilized zirconia (YSZ)     solid    

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Combining innovative science and policy to improve air quality in cities with refining and chemicals

David T. Allen

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 293-304 doi: 10.1007/s11705-017-1660-0

Abstract: Large air quality field studies (the Texas Air Quality Studies or TexAQS I and II) were conducted toHundreds of air quality investigators, from around the world, deployed instruments on aircraft, on ships, and at fixed ground sites to make extensive air quality measurements; detailed photochemical modelingThe Texas Air Quality Studies revealed that both continuous and episodic emissions of light alkenes,which came to be called highly reactive volatile organic compounds, played a critical role in the formation

Keywords： ozone     air quality     highly reactive volatile organic compounds     Houston    

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Air pollution affects food security in China: taking ozone as an example

Zhaozhong FENG,Xuejun LIU,Fusuo ZHANG

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 2,   Pages 152-158 doi: 10.15302/J-FASE-2015067

Abstract: Air pollution is becoming an increasingly important environmental concern due to its visible negativeHowever, air pollution also affects agricultural crops or food security directly or indirectly, whichthis overview, we take ozone (O ) as an example to analyze the principles and extent of the impact of air

Keywords： air pollution     ozone damage     anthropogenic activity     crop production     mitigation of reactive N emission    

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Relations between indoor and outdoor PM

Cong Liu, Yinping Zhang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1089-4

Abstract:

Factors impacting indoor-outdoor relations are introduced.

Sulfate seems a fine tracer for other non-volatile species.

Particulate nitrate and ammonium desorb during outdoor-to-indoor transport.

OC load increases during the transport due to sorption of indoor SVOCs.

Keywords： Indoor air quality     Exposure     SVOC     Reactive oxidative species     Oxidative potential     Chemical transport model    

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Wide gap active brazing of ceramic-to-metal-joints for high temperature applications

K. Bobzin,L. Zhao,N. Kopp,S. Samadian Anavar

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 1,   Pages 71-74 doi: 10.1007/s11465-014-0291-0

Abstract: Due to the high brazing temperatures and the low ductility of nickel based filler metals, the modificationTo reduce thermally induced stresses wide brazing gaps and the addition of Al2O3brazing

Keywords： wide gap     active brazing     nickel filler metals     high temperature application     WC     Al2O3   

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Construction of lentiviral vector carrying Rab9 gene and its expression in mouse brain

Youguo HAO, Min ZHANG, Jinzhi XU, Bitao BU, Jiajun WEI

Frontiers of Medicine 2009, Volume 3, Issue 2,   Pages 141-147 doi: 10.1007/s11684-009-0041-6

Abstract: Rab9 mediates late endosome-to- -Golgi-network trafficking.encoding Rab9.DNA sequencing proved the successful construction of pCDH1-MCF1-Rab9-EF1-copGFP.It is concluded that the packaging of Lentivirus encoding Rab9 was successful.Lentivirus encoding Rab9 can increase the expression of Rab9 gene effectively, which might offer a novel

Keywords： Rab9     lentivirus     gene therapy     gene transfer    

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Application of cold spraying for flux-free brazing of aluminium alloy 6060

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 256-260 doi: 10.1007/s11465-010-0095-9

Abstract: In the present study, samples of aluminium alloy 6060 were coated by cold spraying with a powder of brazingThe coated samples were heat-treated in air and under argon atmosphere to investigate the wetting behaviourThe results show that the brazing alloy Al12Si could be very well deposited on the substrate by cold

Keywords： aluminium alloy     flux-free brazing     cold spraying     shear strength    

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Influence of the filler materials on flux-free brazing of pure aluminium (1050)

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 47-51 doi: 10.1007/s11465-009-0079-9

Abstract: Al7Si, Al12Si-4%Cu, and the Al-Si-based filler material A, which was especially developed for flux-free brazing

Keywords： aluminium     flux-free brazing     cold spraying     shear strength    

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Flux-free brazing of Mg-containing aluminium alloys by means of cold spraying

BOBZIN Kirsten, ZHAO Lidong, ERNST Felix, RICHARDT Katharina

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 355-359 doi: 10.1007/s11465-008-0055-9

Abstract: The influences of the two brazing alloys and spray parameters on coating formation were investigated.Some coated samples were heat-treated at 590°C and 560°C in air to investigate the effect of the ruptureof oxide scales, Cu and Si diffused into the substrate and a metallurgical bond formed between the brazing

Keywords： diffusion     metallurgical     substrate     Mg-containing aluminium     spraying    

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Design and optimization of reactive distillation: a review

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 799-818 doi: 10.1007/s11705-021-2128-9

Abstract: Reactive distillation process, a representative process intensification technology, has been widely appliedHowever, due to the strong interaction between reaction and separation, the extension of reactive distillationTo overcome this problem, the design and optimization of reactive distillation have been widely studiedand illustrated for plenty of reactive mixtures over the past three decades.These design and optimization methods of the reactive distillation process are classified into three

Keywords： reactive distillation     process intensification     design method     reactive phase diagram     optimization algorithm    

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Passive convergence-permeable reactive barrier (PC-PRB): An effective configuration to enhance hydraulic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1591-y

Abstract:

● A novel PRB configuration based on passive convergent flow effect was proposed.

Keywords： Passive convergence-permeable reactive barrier (PC-PRB)     Permeable reactive barrier configuration     Numerical    

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Preparation of nZVI embedded modified mesoporous carbon for catalytic persulfate to degradation of reactive

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1372-4

Abstract:

• The MCNZVI is prepared as an interesting material for PS activation.

Keywords： MCNZVI     Core-shell structure     Reactive Black 5     Persulfate     Mechanism    

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GASEOUS REACTIVE NITROGEN LOSSES FROM ORCHARDS, VEGETABLES AND TEA PLANTATIONS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 2,   Pages 155-166 doi: 10.15302/J-FASE-2022477

Abstract:

● Gaseous N emissions from orchards, vegetables and tea plantations (OVT) are reviewed.

Keywords： fruit     greenhouse gas     green development     fertilizer management     climate change    

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Tuned reactive power dispatch through modified differential evolution technique

S. BISWAS (RAHA), N. CHAKRABORTY

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 138-147 doi: 10.1007/s11708-012-0188-8

Abstract: This paper explores the capability of modified differential evolution (MDE) technique for solving the reactive

Keywords： reactive power dispatch (RPD)     modified differential evolution (MDE)     differential evolution algorithm    

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Elevated C-reactive protein levels predict worsening prognosis in Chinese patients with first-onset stroke

Jiangtao YAN, Rutai HUI, Daowen WANG

Frontiers of Medicine 2009, Volume 3, Issue 1,   Pages 30-35 doi: 10.1007/s11684-009-0005-x

Abstract: The role of high sensitivity C-reactive protein (hsCRP) in predicting prognosis after stroke in the Asian

Keywords： C-reactive protein     inflammation     stroke    

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Title Author Date Type Operation

Brazing of ceramic-to-ceramic and ceramic-to-metal joints in air

Kirsten BOBZIN, Thomas SCHLAEFER, Lidong ZHAO, Nils KOPP, Arne SCHLEGEL

Journal Article

Combining innovative science and policy to improve air quality in cities with refining and chemicals

David T. Allen

Journal Article

Air pollution affects food security in China: taking ozone as an example

Zhaozhong FENG,Xuejun LIU,Fusuo ZHANG

Journal Article

Relations between indoor and outdoor PM

Cong Liu, Yinping Zhang

Journal Article

Wide gap active brazing of ceramic-to-metal-joints for high temperature applications

K. Bobzin,L. Zhao,N. Kopp,S. Samadian Anavar

Journal Article

Construction of lentiviral vector carrying Rab9 gene and its expression in mouse brain

Youguo HAO, Min ZHANG, Jinzhi XU, Bitao BU, Jiajun WEI

Journal Article

Application of cold spraying for flux-free brazing of aluminium alloy 6060

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA,

Journal Article

Influence of the filler materials on flux-free brazing of pure aluminium (1050)

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA,

Journal Article

Flux-free brazing of Mg-containing aluminium alloys by means of cold spraying

BOBZIN Kirsten, ZHAO Lidong, ERNST Felix, RICHARDT Katharina

Journal Article

Design and optimization of reactive distillation: a review

Journal Article

Passive convergence-permeable reactive barrier (PC-PRB): An effective configuration to enhance hydraulic

Journal Article

Preparation of nZVI embedded modified mesoporous carbon for catalytic persulfate to degradation of reactive

Journal Article

GASEOUS REACTIVE NITROGEN LOSSES FROM ORCHARDS, VEGETABLES AND TEA PLANTATIONS

Journal Article

Tuned reactive power dispatch through modified differential evolution technique

S. BISWAS (RAHA), N. CHAKRABORTY

Journal Article

Elevated C-reactive protein levels predict worsening prognosis in Chinese patients with first-onset stroke

Jiangtao YAN, Rutai HUI, Daowen WANG

Journal Article