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23篇 您的检索式:作者名="Felix MA"
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1Effects of rare earth modifying inclusions on the pitting corrosion of 13Cr4Ni martensitic stainless steel显示文摘In this study,the pitting corrosion behavior of 13Cr4Ni martensitic stainless steel(BASE)and that modified with rare earth(REM)in 0.1 mol/L Na Cl solution were characterized.Techniques such as automatic secondary electron microscope(ASPEX PSEM detector),scanning electron microscope(SEM),transmission electron microscope(TEM),scanning Kelvin probe force microscope(SKP),potentiodynamic and potentiostatic polarizations were employed.The results obtained indicate that BASE steel contains Al_(2)O_(3)/Mn S,Al_(2)O_(3) and Mn S inclusions,while REM steels contain(La,Ce,Cr,Fe)-O and(La,Ce,Cr,Fe)-O-S inclusions.Compared with BASE steel,REM steel is more susceptible to induce the metastable pitting nucleation and repassivation,whereas it restrains the transition from metastable pitting to stable pitting.Adding 0.021%rare earth element to BASE steel can reduce the number and area of inclusions,while that of 0.058%can increase the number and enlarged the size of inclusions,which is also the reason that pitting corrosion resistance of 58 REM steel is slightly lower than that of 21 REM steel.In the process of pitting corrosion induced by Al_(2)O_(3)/Mn S inclusions,Mn S is preferentially anodic dissolved,and also the matrix contacted with Al_(2)O_(3) is subsequently anodic dissolved.For REM steels,anodic dissolution preferentially occurs at the boundary between inclusions and matrix,while(La,Ce,Cr,Fe)-O inclusions chemically dissolve in local acidic environment or are separated from steel matrix.The chemically dissolved substance(La^(3+) and Ce^(3+))of(La,Ce,Cr,Fe)-O inclusions are concentrated in pitting pits,which inhibits its continuous growth.Changgang Wang Rongyao Ma Yangtao Zhou Yang Liu Enobong Felix Daniel Xiaofang Li Pei Wang Junhua Dong Wei Ke 2021Journal of Materials Science & Technology2021,,34:8
2RhizoVision Crown:An Integrated Hardware and Software Platform for Root Crown Phenotyping显示文摘Root crown phenotyping measures the top portion of crop root systems and can be used for marker-assisted breeding,genetic mapping,and understanding how roots influence soil resource acquisition.Several imaging protocols and image analysis programs exist,but they are not optimized for high-throughput,repeatable,and robust root crown phenotyping.The RhizoVision Crown platform integrates an imaging unit,image capture software,and image analysis software that are optimized for reliable extraction of measurements from large numbers of root crowns.The hardware platform utilizes a backlight and a monochrome machine vision camera to capture root crown silhouettes.The RhizoVision Imager and RhizoVision Analyzer are free,open-source software that streamline image capture and image analysis with intuitive graphical user interfaces.The RhizoVision Analyzer was physically validated using copper wire,and features were extensively validated using 10,464 groundtruth simulated images of dicot and monocot root systems.This platform was then used to phenotype soybean and wheat root crowns.A total of 2,799 soybean(Glycine max)root crowns of 187 lines and 1,753 wheat(Triticum aestivum)root crowns of 186 lines were phenotyped.Principal component analysis indicated similar correlations among features in both species.The maximum heritability was 0.74 in soybean and 0.22 in wheat,indicating that differences in species and populations need to be considered.The integrated RhizoVision Crown platform facilitates high-throughput phenotyping of crop root crowns and sets a standard by which open plant phenotyping platforms can be benchmarked.Anand Seethepalli Haichao Guo Xiuwei Liu Marcus Griffiths Hussien Almtarfi Zenglu Li Shuyu Liu Alina Zare Felix B.Fritschi Elison B.Blancaflor Xue-Feng Ma Larry M.York 2020Plant Phenomics2020,2,1:2
3Human papillomavirus DNA prevalence and type distribution in anal carcinomas worldwide显示文摘Laia Alemany Ma?lle Saunier Isabel Alvarado‐Cabrero Beatriz Quirós Jorge Salmeron Hai‐Rim Shin Edyta C. Pirog Núria Guimerà Gustavo Hernandez‐Suarez Ana Felix Omar Clavero Belen Lloveras Elena Kasamatsu Marc T. Goodman Brenda Y. Hernandez Jan Laco Leopold 2015Int. J. Cancer2015,,1:1
4Eudesmanolides and other constituents of inula thapsoides显示文摘Bonaventure TN Berhanu MA Felix K 1997Phytochemistry1997,46,6:1
5P - glycoprotein expression in rat brain en- dothelial cells: evidence for regulation by transient oxidative stress 显示文摘Felix RA Barrand MA 2002J Neurochem2002,80,:1
6Human papillomavirus genotype attribution in invasive cervical cancer:a retrospective cross-sectional worldwide study显示文摘de Sanjose S Quint WG Alemany L Geraets DT Klaustermeier JE Lloveras B Tous S Felix A Bravo LE Shin HR Vallejos CS de Ruiz PA Lima MA Guimera N Clavero O Alejo M Llombart-Bosch A Cheng-Yang C Tatti SA Kasamatsu E Iljazovic E Odida M Prado R Seoud M Grce M Usubutun A Jain A Suarez GA Lombardi LE Banjo A Menéndez C Domingo EJ Velasco J Nessa A Chichareon SC Qiao YL Lerma E Garland SM Sasagawa T Ferrera A Hammouda D Mariani L Pelayo A Steiner I Oliva E Meijer CJ AlJassar WF Cruz E Wright TC Puras A Llave CL Tzardi M Agorastos T Garcia-Barriola V Clavel C Ordi J Andújar M Castellsagué X Sánchez GI Nowakowsld AM Bornstein J Mu(n)oz N Bosch FX Retrospective International Survey and HPV Time Trends Study Group 2010Lancet Oncol2010,11,11:1
7A comparative study of the cytotoxicity and corrosion resistance of nickel–titanium and titanium–niobium shape memory alloys显示文摘Rebecca E. McMahon Ji Ma Stanislav V. Verkhoturov Dany Munoz-Pinto Ibrahim Karaman Felix Rubitschek Hans J. Maier Mariah S. Hahn 2012Acta Biomaterialia2012,,7:1
8P-glycoprotein expression in rat brain endothelial cells:evidence for regulation by transient oxidative stress显示文摘Felix RA Barrand MA 2002J Neurochem2002,80,:1
9Stapes prosthesis attachement: the effect of crimping on sound transfer in otosclerosis surgery 显示文摘HUBER A M MA F FELIX H 2003Laryngoscope2003,113,:1
10P-glycoprotein expression in rat brain endothelial cells:evidence for regulation by transient oxidative stress 显示文摘Felix RA Barrand MA 2002J Neuroehem2002,80,1:1
11Molecular and moqho- logical characterisation of two reproductively isolated species with miiTor-image anatomy ( Nematoda : Cephalobidae ) 显示文摘DeLey P Felix MA Frisse LM 1999Nematology1999,,:1
12Centronsome assembly in vitro:role of gamma-tubulin recruitment in Xenopus sperm aster formation显示文摘FELIX MA ANTONY C WRIGHT M 1994J Cell Biol1994,124,:1
13Mapping quantitative trait loci for quality factors in an inter-class cross of US and Chinese wheat显示文摘Xiaochun Sun Felix Marza Hongxiang Ma Brett F. Carver Guihua Bai 2010Theoretical and Applied Genetics2010,,5:1
14Corrosion Behaviour of Carbon Steel Fasteners in Neutral Chloride Solution显示文摘An experimental model for simulating the corrosion of carbon steel fasteners(bolt and nut) composed of a contact carbon steel electrode(CCSE) and an exposed bare carbon steel plate electrode(BCSE) was designed. The effect of coupling on the corrosion process of the galvanically coupled carbon steel electrode was evaluated and compared with the self-corrosion process observed independently at the exposed and contact regions. Results obtained indicated that at an equal area ratio and uncoupled conditions, the corrosion rate is accelerated in the surface directly exposed to bulk solution compared to the bolt surface in contact with the nut. A coupling current was recorded when the exposed surface(BCSE) was electrically connected with the contact surface(CCSE);with the CCSE acting as the anode thereby suppressing the corrosion process in the exposed surface. By implication, the galvanic coupling between CCSE and BCSE increased the corrosion rate of CCSE. The diff erence in oxygen supply was responsible for the coupling effect observed in the system as there was no decrease in the solution pH. Moreover, varying the cathode-to-anode area( S c/S a) ratio significantly influenced the corrosion current density as increased S c/S a ratio resulted in an accelerated galvanic corrosion process. The corroded surfaces and interfaces were analysed using stereomicroscopy and scanning electron microscopy. X-ray diff ractometry was adopted for corrosion product characterization. The results obtained showed supportive evidence of the corrosion behaviour in carbon steel fasteners.Enobong Felix Daniel Junhua Dong Xiaofang Li Ini-Ibehe Nabuk Etim Inime Ime Udoh Rongyao Ma Lei Chen Changgang Wang 2022Acta Metallurgica Sinica(English Letters)2022,35,4:1
15P- glycoprotein expression in rat brain endothelial cells: evidence for regulation by transient oxi- dative stress显示文摘Felix RA Barrand MA 2002J Neurochem2002,80,1:1
16Stapes Prosthesis attachement:the effect of crimping on sound transfer in otoscleresis surgery显示文摘Huber AM Ma F Felix H 2003Laryngoscopy2003,113,5:1
17Visualization of Scientific Co-authorship in Spanish U- niversities From regionalization to Sciences,2009,61 ( 1 ) :83-100 显示文摘Carlos Olrneda-Gomez Antonio Perianes-Rodriguez Ma Anto- nia Ovalle - Perandones VP Guerrero - Bote Felix De Moya Aneg6n 2009Social2009,,:1
18Visualization of Scientific Co- authorship in Spanish Universities From regionaliza- tion to internationalization显示文摘Carlos Olmeda - G6mez Antonio Perianes - Rodriguez Ma Antonia Ovalle- Perandones VP Guerrero- Bote Felix De MoyaAneg6n 2009Social Sciences2009,61,1:1
19P-glycoprotein expression in rat brain endothelial cells:evidence for regulation by transient oxidative stress显示文摘Felix RA Barrand MA 2002J Neurochem2002,80,:1
20Mierosporidia art' natural intracellular parasites of the nematode Caenorhabditis elegams显示文摘Troemel ER Felix MA Whiteman NK 2008PLoS Bioi2008,6,12:1
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