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Articles 2671 - 2700 of 58475
Full-Text Articles in Entire DC Network
Fabrications And Characterizations Of Porous Silicon By Tow-Step Techniques I: Constant Current Application, Xuan Cheng, Feng-Ming Liu, Chang-Jian Lin, Zuo-Xin Wen, Zhong-Qun Tian, Ru Xue
Fabrications And Characterizations Of Porous Silicon By Tow-Step Techniques I: Constant Current Application, Xuan Cheng, Feng-Ming Liu, Chang-Jian Lin, Zuo-Xin Wen, Zhong-Qun Tian, Ru Xue
Journal of Electrochemistry
Porous silicon structures were formed by a two step technique consisting of electrochemical polarization and chemical oxidation processes in 1∶1 hydrofluoric acid and ethanol solutions. A constant current density of 0.03 A/cm2 was applied to p type silicon wafers, followed by chemical treatment in 20% nitric acid solutions. These samples were then carefully examined by scanning electron microscope (SEM) and Raman spectrometer to study their surface morphologies and optical properties. After a year storage in a desiccator, the aged porous silicon samples were re examined by SEM and Raman spectrometer before and after treated with styrene and decene(1) organic …
A Study Of Monitoring Corrosion Of Metal Via An Optic Waveguide Sensing Method, Xue-Ming Li, Wei-Ming Chen, Shang-Lian Huang, Na Zhang, Zong-Qing Huang
A Study Of Monitoring Corrosion Of Metal Via An Optic Waveguide Sensing Method, Xue-Ming Li, Wei-Ming Chen, Shang-Lian Huang, Na Zhang, Zong-Qing Huang
Journal of Electrochemistry
An optical wave guide sensing method was proposed for monitoring corrosion of metal in outdoors steel structures. Replacing the cladding of wave-guide with metal film in a particular location, the method takes the metal film as the corrosion sensitive film. The experiment of waveguide sensor was carried out on a 721 colorimetric vessel, with which the soution is held in itself and the light is propagated in its sidewall. A Fe-C alloy film was electroplated onto the inner sied of vessel to form the corrosion sensitive film. The structure of the Fe-C alloy film was studied by XRD, EDX and …
A Study Of The Adsorption Behaviors On The Surface Of Gold Electrode By In-Situ Electrochemical Raman Spectroscopy, Xia-Qin Wu, Xiao-Wei Cao, Zhe-Su Wang, Xiao-Yun Meng, Zong-Rang Zhang
A Study Of The Adsorption Behaviors On The Surface Of Gold Electrode By In-Situ Electrochemical Raman Spectroscopy, Xia-Qin Wu, Xiao-Wei Cao, Zhe-Su Wang, Xiao-Yun Meng, Zong-Rang Zhang
Journal of Electrochemistry
The results of in-situ measurements with Raman spectroelectrochemical thchnique on bare gold electrode and adenine modified gold electrode were reported. The adsorption behaviors of adenine and superoxide dismutase (SOD) and their interactions with gold electrode were analyed. The mechanism of promoted electron transfer process of SOD in the presence of adenine at gold electrode surface is discussed.
Study On Electrodeposition Of Ingaas Thin Film, Yu-Chun Li, Xi-Lian Wang, Jing-Ke Han, Ai-Zhen Han, Yuan-Kai Gao, Zhi-Wei Yang
Study On Electrodeposition Of Ingaas Thin Film, Yu-Chun Li, Xi-Lian Wang, Jing-Ke Han, Ai-Zhen Han, Yuan-Kai Gao, Zhi-Wei Yang
Journal of Electrochemistry
The principle and the experimental method of the electrodeposition are discribed in detail in this paper. InGaAs thin film was prepared by using optimized electrodeposited conditions. The radiative wave length of the film was between 1.3～1.5 μm, the composition of the film was analyzed by energy spectrometer and the transmission spectrum of the film was measured by spectrophotometer and monochromator. The V-I chractristic of the conductive type and the topography of the InxGa1-xAs film were also studied.
Effect Of High Concentration Lithium Bromide Solution On Electrochemical Behavior Of Low Alloy Steel At High Temperature, Jian-Wei Guo, Cheng-Hao Liang
Effect Of High Concentration Lithium Bromide Solution On Electrochemical Behavior Of Low Alloy Steel At High Temperature, Jian-Wei Guo, Cheng-Hao Liang
Journal of Electrochemistry
By electrochemical measurements and weight loss experiments, the effect of MoO42- on low alloy steel's electrochemical behaviors was investigated at high temperature in 55%LiBr+0.07 mol/L LiOH solution. The results showed that MoO42-, as an anodic inhibitor, formed passive film rapidly and impeded both anodic and cathodic procedures. Moreover, Na2MoO4 prevented corrosion effectively in 55%LiBr+0.07 mol/L LiOH solution when its concentration is more than 200 mg/L. The pitting potential increased accompanying to the arising of Na2MoO4 concentration. Some elements of alloy strengthened resistance to corrosion, shch as chromium and nickel, …
The Development Of Carbon Monoxide Tolerant Catalysts For Proton-Exchange Membrane Fuel Cell, Zhong-Jun Hou, Hong-Mei Yu, Bao-Lian Yi, Ming Han
The Development Of Carbon Monoxide Tolerant Catalysts For Proton-Exchange Membrane Fuel Cell, Zhong-Jun Hou, Hong-Mei Yu, Bao-Lian Yi, Ming Han
Journal of Electrochemistry
High over-potential of proton exchange membrane fuel cell (PEMFC) anode caused by carbon monnoxide poisoning when reformate or methanol is used as fuel is main obstacle to the high performance of PEMFCs. Using carbon monoxide tolerant catalysts is the most hopeful way to solve the CO problem. The CO poisoning problem is reviewed briefly in this paper, and the development of CO tolerant catalysts is introduced in details, including electrocatalysts activity, preparation method and mechanism of tolerance to CO.Mo and W can improve catalysts' CO tolerance. Multi-component catalysts are expected to be more tolerant to CO.
Studies Of Adsorption And Oxidation Of Ethanol On Nm-Pt/Gc Electrode——I. Cyclic Voltammograms And In-Situ Ftir Spectroscopy In Alkaline Media, Guo-Lian Chen, Shi-Gang Sun, Sheng-Pei Chen, Zhi-You Zhou
Studies Of Adsorption And Oxidation Of Ethanol On Nm-Pt/Gc Electrode——I. Cyclic Voltammograms And In-Situ Ftir Spectroscopy In Alkaline Media, Guo-Lian Chen, Shi-Gang Sun, Sheng-Pei Chen, Zhi-You Zhou
Journal of Electrochemistry
The electro-oxidation of ethanol on nm-Pt/GC electrode in alkaline solutions containing 0.02 mol·L-1 NaOH+0.1 mol·L-1 CH3CH2OH was investigated by using cyclic voltammetry and in-situ FTIR spectroscopy. The experimental results demonstrated that the main product of ethanol oxidation is CH3COO-, only very small amount of CH 3CHO has been determined simultaneously. In contrast with the dual path reaction mechanism for the oxidation of ethanol in acid media, the oxidation of ethanol in alkaline media didn't pass through the dissociative adsorption, and no adsorbed species could be determined even using a …
Investigation Of A Complex Lithium Cobalt Nickel Oxide As Lithium Ion Battery Cathode Materials Prepared By A New Citrate Sol-Gel Method, Jing-Li Han, Qing-Guo Liu
Investigation Of A Complex Lithium Cobalt Nickel Oxide As Lithium Ion Battery Cathode Materials Prepared By A New Citrate Sol-Gel Method, Jing-Li Han, Qing-Guo Liu
Journal of Electrochemistry
The synthesis and electrochemical characteristics of lithium cobalt nickel oxide as cathode materials for rechargeable lithium batteries were investigated. It was clarified from these investigations that lithium cobalt nickel oxide has been produced from basic cobalt carbonate,basic nickel carbonate, lithium carbonate, and citrate. LiNi0.8Co 0.2O2 prepared under the stream of oxygen gas showed a higher cycling capacity of (～190 mAh·g-1).
The Concord, Luther Seminary
Ccu Newsletter, November 27, 2000, Coastal Carolina University
Ccu Newsletter, November 27, 2000, Coastal Carolina University
Coastal Carolina University Newsletter
A newsletter for faculty, staff and friends of Coastal Carolina University. Volume 10, Number 18
Ekupdate, November 27, 2000, Eastern Kentucky University, Public Relations
Ekupdate, November 27, 2000, Eastern Kentucky University, Public Relations
EKU Update
No abstract provided.
Ufa Aac Library Sub-Committee Meeting Minutes, November 2000, Barbara Swartzlander
Ufa Aac Library Sub-Committee Meeting Minutes, November 2000, Barbara Swartzlander
UFA AAC Library Sub-committee Meeting Minutes
Meeting report from the University Faculty Assembly Academic Affairs Committee's Library Sub-committee meeting at the University of New England.
Motions 2000 Volume 36 Number 4, University Of San Diego School Of Law Student Bar Association
Motions 2000 Volume 36 Number 4, University Of San Diego School Of Law Student Bar Association
Newspaper, Motions (1987-2019)
No abstract provided.
We Forum, Vol Xxiv No. 30 - Nov. 27-Dec. 3, 2000, Jose Burgos, Jr.
We Forum, Vol Xxiv No. 30 - Nov. 27-Dec. 3, 2000, Jose Burgos, Jr.
We Forum
No abstract provided.
11/27/2000 Obituary Records, Hawaii Obituaries
11/27/2000 Obituary Records, Hawaii Obituaries
Obituaries
List of Obituaries for individuals who passed away on 11/27/2000. Scroll down to see the names and obituary description.
November 27, 2000 Cal Poly Report Special Edition, Public Affairs Office
November 27, 2000 Cal Poly Report Special Edition, Public Affairs Office
Cal Poly Report
No abstract provided.
Current, November 27, 2000, University Of Missouri-St. Louis
Current, November 27, 2000, University Of Missouri-St. Louis
Current (2000s)
No abstract provided.
Resolution 00-6-F - Course Outline, Wku Student Government Association
Resolution 00-6-F - Course Outline, Wku Student Government Association
Student Government Association
Resolution to provide students with major / minor course outlines.
Columbia Chronicle (11/27/2000), Columbia College Chicago
Columbia Chronicle (11/27/2000), Columbia College Chicago
Columbia Chronicle (student newspaper)
Student newspaper from November 27, 2000 entitled Columbia Chronicle. This issue is 20 pages and is listed as Volume 34, Number 10. Cover story: "Duff once again tops salary lists" Editor-in-Chief: Amber Holst
Resolution 00-5-F - Reaffirmation Of Purpose, Wku Student Government Association
Resolution 00-5-F - Reaffirmation Of Purpose, Wku Student Government Association
Student Government Association
Resolution for SGA to reaffirm its purpose as student representatives.
Grand Valley Forum, Volume 025, Number 18, November 27, 2000, Grand Valley State University
Grand Valley Forum, Volume 025, Number 18, November 27, 2000, Grand Valley State University
2000-2001, Volume 25
Grand Valley Forum is Grand Valley State's faculty and staff newsletter, published from 1976 to the present.
2000 November 27 - Graduate Council Minutes, College Of Graduate And Continuing Studies, East Tennessee State University
2000 November 27 - Graduate Council Minutes, College Of Graduate And Continuing Studies, East Tennessee State University
Graduate Council Agendas and Minutes
No abstract provided.
The Murray Ledger And Times, November 27, 2000, The Murray Ledger And Times
The Murray Ledger And Times, November 27, 2000, The Murray Ledger And Times
The Murray Ledger & Times
No abstract provided.
Faculty Senate Meeting Agenda And Minutes, November 27, 2000
Faculty Senate Meeting Agenda And Minutes, November 27, 2000
Faculty Senate Minutes and Agendas
Agenda and minutes from the Wright State University Faculty Senate Meeting held on November 27, 2000.
The Changing Composition Of South Dakot's Farm And Ranch Enterprises, Matthew A. Diersen
The Changing Composition Of South Dakot's Farm And Ranch Enterprises, Matthew A. Diersen
Economics Commentator (1972- 2016)
No abstract provided.
The Changing Composition Of South Dakot's Farm And Ranch Enterprises, Matthew A. Diersen
The Changing Composition Of South Dakot's Farm And Ranch Enterprises, Matthew A. Diersen
Economics Commentator (1972- 2016)
No abstract provided.
Newscope - November 27-28, 2000
Unh Student Looks At Economic Impact Of The Aids Epidemic In Africa, Janet Lathrop
Unh Student Looks At Economic Impact Of The Aids Epidemic In Africa, Janet Lathrop
Media Relations
No abstract provided.