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325篇 您的检索式:作者名="Asbury"
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1Ternary Ni-Co-Fe oxyhydroxide oxygen evolution catalysts:Intrinsic activity trends,electrical conductivity,and electronic band structure显示文摘Nickel-,cobalt-,and iron-based(oxy)hydroxides comprise the most-commonly studied electrocatalysts for the oxygen-evolution reaction(OER)in alkaline solution.A fundamental understanding of composition-structure-activity relationships for mixed-metal Ni-Co and Ni-Co-Fe(oxy)hydroxides is important to guide the design of advanced OER catalysts.Here we use cyclic voltammetry,chronopotentiometry,inductively-coupled plasma-optical emission spectroscopy,and in situ electrical conductivity measurements to characterize the properties and activity of various compositions of Ni-Co-Fe(oxy)hydroxides prepared by cathodic co-electrodeposition.Consistent with previous studies,we find Fe is essential for the mixed-metal(oxy)hydroxides to achieve high OER activity.In the rigorous absence of Fe(achieved by using specially cleaned electrolytes),the most-active Ni-Co(oxy)hydroxide composition has an OER turn-over frequency only twice that ofpure Co(oxy)hydroxide,suggesting minimal synergism between the two metals.The addition of Co to Ni-Fe(oxy)hydroxides shifts the onset of electrical conductivity to lower potentials,but has little effect on the intrinsic OER activity,with the most-active Ni-Co-Fe(oxy)hydroxide having an OER turn-over frequency only -1.5 times that of the Ni-Fe(oxy)hydroxides.The magnitudes of the electrical conductivities are similar for all the compositions measured.Density-functional-theory-calculated projected density of states show a significant contribution of all chemical elements at the valence band edge of the mixed-metal oxyhydroxide electronic structure,demonstrating significant electronic hybridization between the elements.The calculations suggest the involvement of all the elements in modulating the electronic structure at putative Fe-based active sites that are probably located at edges or defects in the two-dimensional oxyhydroxide sheets.Michaela Burke Stevens Lisa J. Enman Ester Hamal Korkus Jeremie Zaffran Christina D. M. Trang James Asbury Matthew G. Kast Maytal Caspary Toroker Shannon W. Boettcher 2019Nano Research2019,12,9:5
2Prediction of rock brittleness using nondestructive methods for hard rock tunneling显示文摘The material and elastic properties of rocks are utilized for predicting and evaluating hard rock brittleness using artificial neural networks(ANN). Herein hard rock brittleness is defined using Yagiz'method. A predictive model is developed using a comprehensive database compiled from 30 years' worth of rock tests at the Earth Mechanics Institute(EMI), Colorado School of Mines. The model is sensitive to density, elastic properties, and P- and S-wave velocities. The results show that the model is a better predictor of rock brittleness than conventional destructive strength-test based models and multiple regression techniques. While the findings have direct implications on intact rock, the methodology can be extrapolated to rock mass problems in both tunneling and underground mining where rock brittleness is an important control.Rennie B.Kaunda Brian Asbury 2016Journal of Rock Mechanics and Geotechnical Engineering2016,8,4:3
3Effect of cisplatin on myoelectric activity of the stomach and small intestine in dogs显示文摘Richard D. Chey Kae Y. Lee Robert Asbury William Y. Chey 1988Digestive Diseases and Sciences1988,,3:2
4Assessment of current diagnostic criteria for Guillain-Barre syndrome 显示文摘Asbury AK Cornblath DR 1990Ann Neurol1990,,:1
5Enterobacter saka- zaki: a new species of 'Enterobaeteriaeeae' isolated from clinical speci- mens显示文摘FARMER JJ ASBURY MA HICKMAN FW 1980International Journal of Systematic and Evolutionary Microbi- ology1980,30,3:1
6Estrogen,progesterone,and androgen receptor expression in levator ani muscle and fascia显示文摘Copas P Bukovsky A Asbury B 2001J Womens Health Gend Based Med2001,10,8:1
7Enterobacter Skazakii:A New Species of 'Enterbacterlaceae'lsolated from Clinical Deci rrlerls显示文摘FARMER J J ASBURY M A HICKMAN F W 1980Int H Syst Bacterlol1980,30,:1
8Mammographic appearances in pag et disease of the breast显示文摘Sawyer RH Asbury DL 1994ClinRadiol1994,49,:1
9Enterobacter sakazakii,new species of Enterobacteriaceae isolated from clinical specimens显示文摘Farmer JJ Asbury MA Hickman FW 1980Int J Systematic Bacteriol1980,30,3:1
10Assessment of current diagnostic criteria for Guillain-Barrésyndrome显示文摘Asbury AK Cornblath DR 1990Ann Neurol1990,,:1
11Enterobacter sakazakii: a new species of 'Enterobacteriaceae' isolatecl from clinical specimens 显示文摘Farmar JJ III Asbury MA Brenner DJ 1980lnt J System Bacteriol1980,30,:1
12Pre-existing cognitive impairment as a factor influencing outcome after cardiac surgery显示文摘Miller K Asbury A J Murray GD 2001Br J Anaesth2001,86,1:1
13Analysis of Explosives Using Electrospray Ionization/Ion Mobility Spectrometry(ESI/IMS) 显示文摘Asbury G R Klasmeier J Hill H H 2000Talanta2000,50,6:1
14Enterobacter sakazakii: a new species of'Enterobacteriaceae'isolated from clin- ical specimens 显示文摘Farmer JJ III Asbury MA Hickman FW 1980Int J Systematic Bacteriol1980,30,3:1
15Distal symmetric polyneuropathy: A definition for clinical research: Report of the American Academy of Neurology, the American Association of Electrodiagnostic Medicine, and the American Academy of Physical Medicine and Rehabilitation显示文摘J D. England G S. Gronseth G Franklin R G. Miller A K. Asbury G T. Carter J A. Cohen M A. Fisher J F. Howard L J. Kinsella N Latov R A. Lewis P A. Low A J. Sumner 2005Neurology2005,,2:1
16Progesterone facilitates the acquisition of avoidance learning and protects against subcortlcal neuronal death following prefrontal cortex ablation in the rat显示文摘Asbury ET Fritts ME Horton JE 1998Behav Brain Res1998,97,12:1
17Cornblath DR Assessment of current diagnostic crteriator Gui1ain Barre Syndrome显示文摘Asbury Ak 1990Ann Neuroi1990,27,:1
18Effect of microniation in bioavailability and pharmacologic activity of spironolactone 显示文摘Mcinne G T Asbury M J Ramsay L E 1982J Clin Pharmacol1982,22,8:1
19A fuzzy logic model to predict specific energy requirement for TBM performance prediction显示文摘Acaroglu O Ozdemir L Asbury B 2008Tunnelling and Underground Space Technology2008,23,5:1
20Weekly paclitaxel in advanced non-small cell lung cancer, Semi显示文摘CHANG A Y RUBINS J ASBURY R 2001Oncol2001,28,:1
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