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Insights into carbon-based materials for catalytic dehydrogenation of low-carbon alkanes and ethylbenzene

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1623-1648 doi: 10.1007/s11705-023-2328-6

Abstract: Compared with metal-based catalysts, carbon materials with stable structure, rich pore texture and largeIn this review, carbon materials applied in direct dehydrogenation and oxidative dehydrogenation reactionsA general introduction to the dehydrogenation mechanism and active sites of carbon catalysts is brieflypresented to provide a deep understanding of the carbon-based materials used in dehydrogenation reactionsIn addition, carbon materials as the support of metal-based catalysts contribute to exploiting the excellent

Keywords： carbon materials     dehydrogenation     active sites     mechanism     catalytic performance     support    

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Multi-scale investigation of active failure for various modes of wall movement

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 961-979 doi: 10.1007/s11709-021-0738-4

Abstract: Therefore, the transition of retained backfills from at-rest condition to the active state is modeledHence, various modes of wall movement (translation and rotation) toward the active state are modeled

Keywords： discrete-element modelling     granular materials     retaining walls     particle shape     arching    

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Preparation of Spherical Materials Based on Controlled Crystallization

He Xiangming,Wang Li,Ren Jianguo,Pu Weihua,Jiang Changyin,Wan Chunrong

Strategic Study of CAE 2006, Volume 8, Issue 7,   Pages 36-41

Abstract: >Theory，equipment and technology of controlled crystallization process for preparation of spherical materialsEspecially, the preparation of spherical, high density and high activity materials for batteries areThe spherical materials lead to effective surface modification.

Keywords： controlled crystallization     spherical     active materials     high density    

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Influence of Fe on electrocatalytic activity of iron-nitrogen-doped carbon materials toward oxygen reduction

Lin LI, Cehuang FU, Shuiyun SHEN, Fangling JIANG, Guanghua WEI, Junliang ZHANG

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 812-821 doi: 10.1007/s11708-020-0669-0

Abstract: The development of highly active nitrogen-doped carbon-based transition metal (M-N-C) compounds for theAmong different M-N-C electrocatalysts, the series of Fe-N-C materials are highly favored because ofinfluences of Fe on the ORR electrocatalytic activity, which will, in turn, guide the design of Fe-N-C materialsFe, and the number of active sites increases without the occurrence of agglomeration particles.Moreover, it is speculated that Fe plays an important role in stabilizing N as well as constituting active

Keywords： oxygen reduction reaction     Fe-N-C     active sites     Fe addition     second heat treatment    

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advanced engineering measures on displacement and stress field of surrounding rock in tunnels crossing active

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0966-x

Abstract: Based on significant improvements in engineering materials, three advanced engineering measures haveusing high-strength concrete-to resist fault dislocation in the surrounding rock near tunnels crossing activeThe research results provide a new supporting idea for the surrounding rock of tunnels crossing active

Keywords： anti-fault effect     engineering measures     LRAF method     stress and displacement field     tunnel-crossing active    

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Solid-state NMR for metal-containing zeolites: From active sites to reaction mechanism

Xingling Zhao, Jun Xu, Feng Deng

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 159-187 doi: 10.1007/s11705-019-1885-1

Abstract: To understand the nature of metal active sites and the reaction mechanism over such catalysts is of greatsummarize recent developments and applications of SSNMR for exploring the structure and property of activecatalytic reactions on metal-containing zeolites based on the observation of key surface species and active

Keywords： metal-containing zeolites     solid-state NMR     active site     host-guest interaction     reaction mechanism    

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Advances in Active Suspension Systems for Road Vehicles

Min Yu,Simos Evangelou,Daniele Dini,

Engineering doi: 10.1016/j.eng.2023.06.014

Abstract: Active suspension systems (ASSs) have been proposed and developed for a few decades, and have now onceadopted in production cars are discussed in detail, including the representative solutions of Mercedes activebody control (ABC) and Audi predictive active suspension; novel concepts that could become alternativecandidates are also introduced, including series active variable geometry suspension, and the active

Keywords： Active suspension     Vehicle dynamics     Robust control     Ride comfort     Chassis attitude    

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An antibiotic composite electrode for improving the sensitivity of electrochemically active biofilm biosensor

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1518-7

Abstract:

• Antibiotic azithromycin employed in graphite electrode for EAB biosensor.

Keywords： AZM@GP composite electrode     EAB-biosensor     Water quality early-warning    

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Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1480-1493 doi: 10.1007/s11709-021-0776-y

Abstract: This paper proposes a general analytical method to evaluate the seismic active earth pressure on a retainingcomprises the following steps: i) determination of the total head, ii) upper bound solution of seismic active(x,z) relies on the Fourier series expansions, and the expressions of the seismic activethe proposed method is consistent with other relevant existing methods in terms of predicting seismic active

Keywords： seismic active earth pressure     partial seepage flow     pore pressure     anisotropy     upper bound theorem    

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Optimal Timing and Recycling Operation Mode for Electro-Mechanical Products Active Remanufacturing

Wang Gao,Tao Li,Shi-tong Peng,Liang Wang,Hong-chao Zhang

Frontiers of Engineering Management 2016, Volume 3, Issue 2,   Pages 115-122 doi: 10.15302/J-FEM-2016019

Abstract: Based on life cycle assessment method and the life cycle cost analysis, the optimal timing model of activeIn addition, regarding the active remanufacturing as its guidance, this study explores the economic efficiencyTo validate the optimal timing model for electro-mechanical products active remanufacturing, a specific

Keywords： electro-mechanical products     active remanufacturing     optimal timing     reverse logistics     recycling mode    

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Finite element modeling of thermo-active diaphragm walls

Yi RUI, Mei YIN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 646-663 doi: 10.1007/s11709-020-0584-9

Abstract: Thermo-active diaphragm walls have a large potential to remedy one of these problems, since they are

Keywords： thermo-active diaphragm wall     finite element analysis     thermo-hydro-mechanical coupling     ground source heat    

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Semi-active vibration control using piezoelectric actuators in smart structures

Jinhao QIU, Hongli JI, Kongjun ZHU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 242-251 doi: 10.1007/s11465-009-0068-z

Abstract: The piezoelectric materials, as the most widely used functional materials in smart structures, have manySemi-active vibration control based on state switching and pulse switching has been receiving much attentionCompared with active damping systems, their implementation does not require any sophisticated signalIn this review article, the principles of the semi-active control methods based on switched shunt circuitMoreover, the future directions of research in semi-active control are also summarized.

Keywords： smart structure     semi-active method     vibration control     piezoelectric actuator    

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Design of active orthoses for a robotic gait rehabilitation system

A. C. VILLA-PARRA,L. BROCHE,D. DELISLE-RODRÍGUEZ,R. SAGARÓ,T. BASTOS,A. FRIZERA-NETO

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 242-254 doi: 10.1007/s11465-015-0350-1

Abstract:

An active orthosis (AO) is a robotic device that assists both human gait and rehabilitation therapy

Keywords： active orthosis     gait rehabilitation     electroencephalography     surface electromyography    

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Response of indigenous Cd-tolerant electrochemically active bacteria in MECs toward exotic Cr(VI) based

Xia Hou, Liping Huang, Peng Zhou, Hua Xue, Ning Li

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1057-4

Abstract:

Cell membrane of indigenous Cd-tolerant EAB harbored more cadmium than chromium.

Indigenous Cd-tolerant EAB cytoplasm located more chromium than cadmium.

Simultaneously quantitatively imaging Cd(II) and Cr(III) ions in EAB was achieved.

Current accelerated the harboring of cadmium in EAB at an initial 2 h.

Current directed the accumulation of more chromium in EAB over time.

Keywords： Microbial electrolysis cell     Electrochemically active bacteria     Cd-tolerant bacteria     Cd(II) and Cr(VI)    

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UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 165-175 doi: 10.1007/s11708-020-0686-z

Abstract: The active power loop flow (APLF) may be caused by impropriate network configuration, impropriate parameterintegrated power flow, and solved with the affine Krawcyzk iteration to make sure that the range of active

Keywords： active power loop flow (APLF)     unified power flow controller (UPFC)     wind power uncertainty     interval power    

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Title Author Date Type Operation

Insights into carbon-based materials for catalytic dehydrogenation of low-carbon alkanes and ethylbenzene

Journal Article

Multi-scale investigation of active failure for various modes of wall movement

Journal Article

Preparation of Spherical Materials Based on Controlled Crystallization

He Xiangming,Wang Li,Ren Jianguo,Pu Weihua,Jiang Changyin,Wan Chunrong

Journal Article

Influence of Fe on electrocatalytic activity of iron-nitrogen-doped carbon materials toward oxygen reduction

Lin LI, Cehuang FU, Shuiyun SHEN, Fangling JIANG, Guanghua WEI, Junliang ZHANG

Journal Article

advanced engineering measures on displacement and stress field of surrounding rock in tunnels crossing active

Journal Article

Solid-state NMR for metal-containing zeolites: From active sites to reaction mechanism

Xingling Zhao, Jun Xu, Feng Deng

Journal Article

Advances in Active Suspension Systems for Road Vehicles

Min Yu,Simos Evangelou,Daniele Dini,

Journal Article

An antibiotic composite electrode for improving the sensitivity of electrochemically active biofilm biosensor

Journal Article

Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Journal Article

Optimal Timing and Recycling Operation Mode for Electro-Mechanical Products Active Remanufacturing

Wang Gao,Tao Li,Shi-tong Peng,Liang Wang,Hong-chao Zhang

Journal Article

Finite element modeling of thermo-active diaphragm walls

Yi RUI, Mei YIN

Journal Article

Semi-active vibration control using piezoelectric actuators in smart structures

Jinhao QIU, Hongli JI, Kongjun ZHU

Journal Article

Design of active orthoses for a robotic gait rehabilitation system

A. C. VILLA-PARRA,L. BROCHE,D. DELISLE-RODRÍGUEZ,R. SAGARÓ,T. BASTOS,A. FRIZERA-NETO

Journal Article

Response of indigenous Cd-tolerant electrochemically active bacteria in MECs toward exotic Cr(VI) based

Xia Hou, Liping Huang, Peng Zhou, Hua Xue, Ning Li

Journal Article

UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Journal Article