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Multi-class dynamic network traffic flow propagation model with physical queues

Yanfeng LI, Jun LI

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 399-407 doi: 10.15302/J-FEM-2017041

Abstract: The vehicles of the same class are assumed to satisfy the first-in-first-out (FIFO) principle on thewhole link, and the vehicles of the different classes also follow FIFO in the queue area but not in the

Keywords： first-in-first-out (FIFO)     multi-class traffic     physical queues     traffic flow modeling    

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China Launched the First Wastewater Resource Recovery Factory in Yixing

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1, doi: 10.1007/s11783-021-1496-1

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Sustainable intensification of agriculture in sub-Saharan Africa: first things first!

Bernard VANLAUWE, Achim DOBERMANN

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 376-382 doi: 10.15302/J-FASE-2020351

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Ammonia adsorption on graphene and graphene oxide: a first-principles study

Yue PENG, Junhua LI

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 403-411 doi: 10.1007/s11783-013-0491-6

Abstract: to the environment, the ammonia adsorption on graphene or graphene oxide (GO) was investigated using first-principles

Keywords： graphene oxide     first-principles calculations     NH3 adsorption    

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The First Attempt for Accounts of Environmental Chemistry and Technology Research

Jinyong Liu, Yin Wang, Haoran Wei

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1270-9

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Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 313-319 doi: 10.1007/s11783-009-0025-4

Abstract: This investigation was carried out to establish a new domestic landfill gas (LFG) generation rate modelThe first-order kinetics and two-stage reaction (FKTSR) model of the LFG generation rate includes mechanismsLaboratory experiments were carried out to simulate the impact of leachate recirculation and verify themodified FKTSR model, including the LFG production potential (), the reaction rate constant in the first

Keywords： landfill gas (LFG)     generation rate model     first-order kinetics     two-stage reaction     outflow function    

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Technology and management innovation of the first-of-a-kind (FOAK) demonstration project — HPR1000

Ji XING, Tianlei ZHEN, Hang YU, Yanling ZHENG

Frontiers of Engineering Management 2021, Volume 8, Issue 3,   Pages 471-475 doi: 10.1007/s42524-021-0158-0

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Predication of increased plasma homocysteine level on the prognosis of Chinese patients with first-onset

YAN Jiangtao, SHAO Jiaomei, WANG Daowen, YUE Zhengliang, HUI Rutai

Frontiers of Medicine 2008, Volume 2, Issue 4,   Pages 352-355 doi: 10.1007/s11684-008-0067-1

Abstract: This study was aimed to investigate the relationship between tHcy level and prognosis of first-onsetOne hundred ninety six patients with first-onset ischemic stroke and ninety-five patients with first-onsetIncreased tHcy level was an independent risk factor for a worse outcome in patients with first-onset
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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: Two hundred and ninety consecutive patients with first-onset stroke and 290 age- and gender-matched control

Keywords： C-reactive protein     inflammation     stroke    

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A case of thymic Langerhans cell histiocytosis with diabetes insipidus as the first presentation

Xiaoyan Chen, Xiaochun Huang, Yuan Qiu, Hanzhang Chen, Yingyu Fu, Xinchun Li

Frontiers of Medicine 2013, Volume 7, Issue 1,   Pages 143-146 doi: 10.1007/s11684-013-0238-6

Abstract: We report a case of thymic LCH with diabetes insipidus as the first presentation, without evidence of

Keywords： diabetes insipidus     thymus     Langerhans cell histiocytosis    

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Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorption

Junxiong LIN , Lan WANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 320-324 doi: 10.1007/s11783-009-0030-7

Abstract: best-fit equations of linear and non-linear forms of the two widely used kinetic models, namely pseudo-first-orderThe results show that the non-linear forms of pseudo-first-order and pseudo-second-order models were

Keywords： adsorption     pseudo-first order     pseudo-second order     kinetic model     linear method     non-linear method    

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The world’s first offshore wind power non-desalination of seawater electrolysis for hydrogen production

Frontiers in Energy 2023, Volume 17, Issue 3,   Pages 317-319 doi: 10.1007/s11708-023-0888-2

Abstract: The world’s first offshore wind power non-desalination of seawater electrolysis for hydrogen production

Keywords： China     wind power non    

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Inaugural Statement on the First Issue

XU Kuangdi

Engineering 2015, Volume 1, Issue 1,   Pages 6-6 doi: 10.15302/J-ENG-2015003

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First CRISPR-Based Therapy Poised to Reach Patients

Jennifer Welsh

Engineering 2023, Volume 30, Issue 11,   Pages 3-6 doi: 10.1016/j.eng.2023.09.005

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Mechanism of methanol decomposition on the Pd/WC(0001) surface unveiled by first-principles calculations

Jinhua Zhang, Yuanbin She

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 1052-1064 doi: 10.1007/s11705-019-1908-y

Abstract: In this study, the decomposition of methanol into the CO and H species on the Pd/tungsten carbide (WC)(0001) surface is systematically investigated using periodic density functional theory (DFT) calculations. The possible reaction pathways and intermediates are determined. The results reveal that saturated molecules, i.e., methanol and formaldehyde, adsorb weakly on the Pd/WC(0001) surface. Both CO and H prefer three-fold sites, with adsorption energies of ‒1.51 and ‒2.67 eV, respectively. On the other hand, CH O stably binds at three-fold and bridge sites, with an adsorption energy of ‒2.58 eV. However, most of the other intermediates tend to adsorb to the surface with the carbon and oxygen atoms in their sp and hydroxyl-like configurations, respectively. Hence, the C atom of CH OH preferentially attaches to the top sites, CHOH and CH O adsorb at the bridge sites, while COH and CHO occupy the three-fold sites. The DFT calculations indicate that the rupture of the initial C–H bond promotes the decomposition of CH OH and CH OH, whereas in the case of CHOH, O–H bond scission is favored over the C–H bond rupture. Thus, the most probable methanol decomposition pathway on the Pd/WC(0001) surface is CH OH → CH OH → -CHOH → CHO → CO. The present study demonstrates that the synergistic effect of WC (as carrier) and Pd (as catalyst) alters the CH OH decomposition pathway and reduces the noble metal utilization.

Keywords： density functional theory     methanol     direct methanol fuel cells     WC(0001)-supported Pd monolayer     decomposition mechanism    

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Title Author Date Type Operation

Multi-class dynamic network traffic flow propagation model with physical queues

Yanfeng LI, Jun LI

Journal Article

China Launched the First Wastewater Resource Recovery Factory in Yixing

Journal Article

Sustainable intensification of agriculture in sub-Saharan Africa: first things first!

Bernard VANLAUWE, Achim DOBERMANN

Journal Article

Ammonia adsorption on graphene and graphene oxide: a first-principles study

Yue PENG, Junhua LI

Journal Article

The First Attempt for Accounts of Environmental Chemistry and Technology Research

Jinyong Liu, Yin Wang, Haoran Wei

Journal Article

Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Journal Article

Technology and management innovation of the first-of-a-kind (FOAK) demonstration project — HPR1000

Ji XING, Tianlei ZHEN, Hang YU, Yanling ZHENG

Journal Article

Predication of increased plasma homocysteine level on the prognosis of Chinese patients with first-onset

YAN Jiangtao, SHAO Jiaomei, WANG Daowen, YUE Zhengliang, HUI Rutai

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

A case of thymic Langerhans cell histiocytosis with diabetes insipidus as the first presentation

Xiaoyan Chen, Xiaochun Huang, Yuan Qiu, Hanzhang Chen, Yingyu Fu, Xinchun Li

Journal Article

Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorption

Junxiong LIN , Lan WANG ,

Journal Article

The world’s first offshore wind power non-desalination of seawater electrolysis for hydrogen production

Journal Article

Inaugural Statement on the First Issue

XU Kuangdi

Journal Article

First CRISPR-Based Therapy Poised to Reach Patients

Jennifer Welsh

Journal Article

Mechanism of methanol decomposition on the Pd/WC(0001) surface unveiled by first-principles calculations

Jinhua Zhang, Yuanbin She

Journal Article