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Articles 7381 - 7410 of 37177

Full-Text Articles in Electrical and Computer Engineering

Performance And Mechanism Of PtXCuY/C Electrocatalyst For Methanol Oxidation, Jia Tang, Xiao-Ming Zhang, Shan-Sheng Yu, Su-Li Wang, Gong-Quan Sun Oct 2021

Performance And Mechanism Of PtXCuY/C Electrocatalyst For Methanol Oxidation, Jia Tang, Xiao-Ming Zhang, Shan-Sheng Yu, Su-Li Wang, Gong-Quan Sun

Journal of Electrochemistry

Direct methanol fuel cell (DMFC), which directly converts the chemical energy of methanol fuel into electrical energy, has the advantages of high energy conversion efficiency, environmental friendliness, and abundance of fuel sources. DMFC is considered as the promising substitutes in the field of portable devices, military applications, and stationary power stations, while the broad application is severely hindered by the sluggish kinetic of methanol oxidation reaction (MOR) in the anode and the high cost of platinum (Pt)-based anodic electrocatalysts. Herein, a series of carbon supported PtxCuy (PtxCuy/C) binary metal electrocatalysts, featured with high …


Electrochemical Synthesis Of P-(Β-Hydroxyethyl Sulfone) Aniline, Hao Guo, Dong-Fang Niu, Shuo-Zhen Hu, Xin-Sheng Zhang Oct 2021

Electrochemical Synthesis Of P-(Β-Hydroxyethyl Sulfone) Aniline, Hao Guo, Dong-Fang Niu, Shuo-Zhen Hu, Xin-Sheng Zhang

Journal of Electrochemistry

Para-ester is the most important intermediate for the preparation of ethylene sulfone type reactive dyes, which is usually used in the dyeing of cellulose fibers and synthetic fibers. P-(β-hydroxyethyl sulfone) aniline is an important intermediate for the synthesis of para-ester. In this paper, p-(β-hydroxyethyl sulfone) aniline was prepared by electrochemical method, having the advantages of simple process, mild reaction condition, less environmental pollution, easy reaction control and so on. It has strong development potential and industrial application prospect. The electrochemical reduction of p-nitrophenyl-β-hydroxyethyl sulfone on a lead plate electrode to prepare p-(β-hydroxyethyl …


Synthesis Of Nickel Phosphide/Nitrogen Phosphorus Co-Doped Carbon And Its Application In Lithium Ion Batteries, Jian Hu, Yan-Shuang Meng, Qian-Ru Hu Oct 2021

Synthesis Of Nickel Phosphide/Nitrogen Phosphorus Co-Doped Carbon And Its Application In Lithium Ion Batteries, Jian Hu, Yan-Shuang Meng, Qian-Ru Hu

Journal of Electrochemistry

In recent years, the nickel-based phosphide has drawn great attention because of its low intercalation/deintercalation platform and lower polarization compared to sulfides and oxides as anodes for next-generation high-energy lithium-ion batteries. The Ni2P anode can deliver high theoretical specific capacity of 542 mAh·g-1, but it subject to a conversion reaction mechanism, which make them unsuitable for commercial applications. The agglomeration of Ni2P nanoparticles during material fabrication and the structural deterioration of electrode associated with large volume change during charge-discharge process lead to poor cycle stability and low utilization of active materials. Meanwhile, the low …


Parents’ Perspectives On A Smartwatch Intervention For Children With Adhd: Rapid Deployment And Feasibility Evaluation Of A Pilot Intervention To Support Distance Learning During Covid-19, Franceli L. Cibrian, Elissa Monteiro, Elizabeth Ankrah, Jesus A. Beltran, Arya Tavakoulnia, Sabrina E. B. Schuck, Gillian R. Hayes, Kimberley D. Lakes Oct 2021

Parents’ Perspectives On A Smartwatch Intervention For Children With Adhd: Rapid Deployment And Feasibility Evaluation Of A Pilot Intervention To Support Distance Learning During Covid-19, Franceli L. Cibrian, Elissa Monteiro, Elizabeth Ankrah, Jesus A. Beltran, Arya Tavakoulnia, Sabrina E. B. Schuck, Gillian R. Hayes, Kimberley D. Lakes

Engineering Faculty Articles and Research

Distance learning in response to the COVID-19 pandemic presented tremendous challenges for many families. Parents were expected to support children’s learning, often while also working from home. Students with Attention Deficit Hyperactivity Disorder (ADHD) are at particularly high risk for setbacks due to difficulties with organization and increased risk of not participating in scheduled online learning. This paper explores how smartwatch technology, including timing notifications, can support children with ADHD during distance learning due to COVID-19. We implemented a 6-week pilot study of a Digital Health Intervention (DHI) with ten families. The DHI included a smartwatch and a smartphone. Google …


Method Of Making Temperature-Immune Self-Referencing Fabry–Pérot Cavity Sensors, Hengky Chandrahalim, Jonathan W. Smith Oct 2021

Method Of Making Temperature-Immune Self-Referencing Fabry–Pérot Cavity Sensors, Hengky Chandrahalim, Jonathan W. Smith

AFIT Patents

A method of making passive microscopic Fabry-Pérot Interferometer (FPI) sensor includes forming a three-dimensional microscopic optical structure on a cleaved tip of an optical fiber that reflects a light signal back through the optical fiber. The reflected light is altered by refractive index changes in the three-dimensional structure that is subject to at least one of: (i) thermal radiation; and (ii) volatile organic compounds.


Prevalence Of Pretransition Disordering In The Rutile-To-Cacl2 Phase Transition Of Geo2, G. Alexander Smith, Daniel Schacher, Jasmine K. Hinton, Daniel Sneed, Changyong Park, Sylvain Petitgirard, Keith V. Lawler, Ashkan Salamat Oct 2021

Prevalence Of Pretransition Disordering In The Rutile-To-Cacl2 Phase Transition Of Geo2, G. Alexander Smith, Daniel Schacher, Jasmine K. Hinton, Daniel Sneed, Changyong Park, Sylvain Petitgirard, Keith V. Lawler, Ashkan Salamat

Physics & Astronomy Faculty Research

The ability to tailor a material's electronic properties using density driven disordering has emerged as a powerful route to materials design. The observation of anomalous structural and electronic behavior in the rutile to CaCl2 phase transition in SnO2 led to the prediction that such behavior is inherent to all oxides experiencing such a phase transition sequence [Smith et al., J. Phys. Chem. Lett. 10, 5351 (2019)1948-718510.1021/acs.jpclett.9b01633]. Here, the ultrawide band gap semiconductor GeO2 is confirmed to exhibit anomalous behavior during the rutile to CaCl2 phase transition. A phase pure rutile GeO2 sample synthesized under high-pressure, high-temperature conditions is probed using …


Profile Of Zhang Yan, Mary Frost Oct 2021

Profile Of Zhang Yan, Mary Frost

Online Journal of Space Communication

Profile of and interview with Zhang Yan, Gen. Manager, CITICSat and Chief Rep., Asiasat


Profile Of Dianne J. Vanbeber, Mary Frost Oct 2021

Profile Of Dianne J. Vanbeber, Mary Frost

Online Journal of Space Communication

Profile of and interview with Dianne J. VanBeber, V.P., Investor Relations, Corporate & Marketing Communications, Intelsat


Profile Of Barbara Warren, Mary Frost Oct 2021

Profile Of Barbara Warren, Mary Frost

Online Journal of Space Communication

Profile of and interview with Barbara Warren, Systems Analyst, International Telecommunication Union


Profile Of Marjorie Rhodes Townsend, Mary Frost Oct 2021

Profile Of Marjorie Rhodes Townsend, Mary Frost

Online Journal of Space Communication

Profile of and interview with Marjorie Rhodes Townsend, Satellite Communications Consultant


Profile Of Diane Tryneski, Mary Frost Oct 2021

Profile Of Diane Tryneski, Mary Frost

Online Journal of Space Communication

Profile of and interview with Diane Tryneski, Senior V.P., Broadcast & Studio Operations, HBO


Profile Of Synette Tom, Mary Frost Oct 2021

Profile Of Synette Tom, Mary Frost

Online Journal of Space Communication

Profile of Synette Tom, Marketing Dir., Sales, Space Systems/Loral, Inc.


Profile Of Leslie Taylor, Mary Frost Oct 2021

Profile Of Leslie Taylor, Mary Frost

Online Journal of Space Communication

Profile of and interview with Leslie Taylor, Strategic Planning Division Office of Spectrum Management, NTIA, U.S. Dept. of Commerce


Profile Of Nicole P. Stott, Mary Frost Oct 2021

Profile Of Nicole P. Stott, Mary Frost

Online Journal of Space Communication

Profile of and interview with Nicole P. Stott, Astronaut, NASA


Profile Of Bambi Taskarelli, Mary Frost Oct 2021

Profile Of Bambi Taskarelli, Mary Frost

Online Journal of Space Communication

Profile of Bambi Taskarelli, Voice/Data Engineer, NBCU


Profile Of Pascale Sourisse, Mary Frost Oct 2021

Profile Of Pascale Sourisse, Mary Frost

Online Journal of Space Communication

Profile of and interview with Pascale Sourisse, Gen. Manager, Land & Joint Systems Division, Thales


Profile Of Andy Steinem, Mary Frost Oct 2021

Profile Of Andy Steinem, Mary Frost

Online Journal of Space Communication

Profile of and interview with Andy Steinem, CEO, Dahl-Morrow International


Profile Of Gwynne Shotwell, Mary Frost Oct 2021

Profile Of Gwynne Shotwell, Mary Frost

Online Journal of Space Communication

Profile of Gwynne Shotwell, President, SpaceX


Profile Of Marcia Smith, Mary Frost Oct 2021

Profile Of Marcia Smith, Mary Frost

Online Journal of Space Communication

Profile of and interview with Marcia Smith, President, Space Technology Policy Group, LLC


Profile Of Jacqueline Schenkel, Mary Frost Oct 2021

Profile Of Jacqueline Schenkel, Mary Frost

Online Journal of Space Communication

Profile of Jacqueline Schenkel, Founder, Schenkel & Associates, LLC


Profile Of Kay Sears, Mary Frost Oct 2021

Profile Of Kay Sears, Mary Frost

Online Journal of Space Communication

Profile of Kay Sears, President of Intelsat General


Profile Of Farah Suhanah Ahmad Sarji, Mary Frost Oct 2021

Profile Of Farah Suhanah Ahmad Sarji, Mary Frost

Online Journal of Space Communication

Profile of and interview with Farah Suhanah Ahmad Sarji, General Counsel, MEASAT, Malaysia


Profile Of Walda Roseman, Mary Frost Oct 2021

Profile Of Walda Roseman, Mary Frost

Online Journal of Space Communication

Profile of Walda Roseman, Founder and CEO of CompassRose International, Inc.


Profile Of Veena Rawat, Mary Frost Oct 2021

Profile Of Veena Rawat, Mary Frost

Online Journal of Space Communication

Profile of and interview with Veena Rawat, Dr. Veena Rawat, President of the Communications Research Centre Canada (CRC)


Profile Of Josyln Read, Mary Frost Oct 2021

Profile Of Josyln Read, Mary Frost

Online Journal of Space Communication

Profile of Josyln Read, V.P., Regulatory Affairs, SES Americom - SES New Skies


Profile Of Marilyn Quagliotti, Mary Frost Oct 2021

Profile Of Marilyn Quagliotti, Mary Frost

Online Journal of Space Communication

Profile of Marilyn Quagliotti, Retired Major General, Army


Profile Of Radhika Ramachandran, Mary Frost Oct 2021

Profile Of Radhika Ramachandran, Mary Frost

Online Journal of Space Communication

Profile of and interview with Dr. Radhika Ramachandran, Counsellor (SPACE), ISRO Technical Liaison Officer Embassy of India, Paris


Profile Of Jane Petro, Mary Frost Oct 2021

Profile Of Jane Petro, Mary Frost

Online Journal of Space Communication

Interview with Jane Petro, Kennedy Space Center Deputy Director


Profile Of Nongluck Phinainitisart, Mary Frost Oct 2021

Profile Of Nongluck Phinainitisart, Mary Frost

Online Journal of Space Communication

Profile of and interview with Dr. Nongluck Phinainitisart, D. Eng., President of Thaicom PLC.


Profile Of Rhonda Parson, Mary Frost Oct 2021

Profile Of Rhonda Parson, Mary Frost

Online Journal of Space Communication

Profile of and interview with Rhonda Parson, Manager, Occasional-Use Sales & Traffic Division, EchoStar Satellite Services