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114篇 您的检索式:作者名="S. GHOSH"
    题名 作者 年代 出处 被引量
17150 Al-Zn-Mg合金固态反应动力学参数的测定(英文)显示文摘采用差示扫描量热法(DSC),在不同加热速率下研究7150 Al-Zn-Mg合金在水淬、自然时效和人工时效状态下的固态反应。DSC曲线上不同的放热和吸热峰对应着不同的固态反应阶段。随着加热速率的增加,各个峰位对应的温度也随之增加,表明这些固态反应是热力学活化和动力学控制的。通过测量不同时效时间下合金的硬度来评估合金的时效行为。通过分析DSC曲线各个峰位对应的热流,得到了合金固态反应的相变分数(Y)、相变速率(dY/dt)、相变函数(f(Y))和动力学参数(活化能Q、频率因子k0)。结果表明:所得到的这些动力学参数与已有文献所报道的结果吻合较好。K. S. GHOSH N. GAO 2011Transactions of Nonferrous Metals Society of China2011,21,6:13
2Sorption and Fractionation of a Peat Derived Humic Acid by Kaolinite, Montmorillonite, and Goethite显示文摘Sorption of humic acid (HA) on mineral surfaces has a profound interest regarding the fate of hydrophobic organic contaminants (HOCs) and carbon sequestration in soils. The objective of our study is to determine the fractionation behavior of HA upon sorption on mineral surfaces with varying surface properties. HA was coated sequentially on kaolinite (1:1 clay), montmorillonite (2:1 clay), and goethite (iron oxide) for four times. The unadsorbed HA fractions were characterized by elemental analysis, diffuse reflectance infrared Fourier transform spectroscopy (DRIFT), and solid state 13C nuclear magnetic resonance spectroscopy (NMR). The mineral-HA complexes were characterized by DRIFT. Polarity index [(N+O)/C] revealed higher polarity of the unadsorbed HA fractions after coating on kaolinite, reflecting that relatively higher polarity fractions of HA remain unadsorbed. Sorption of aliphatic alcohol fraction along with carbohydrate was prominent on kaolinite surface. DRIFT results of the unadsorbed HA fractions indicated more sorption of aliphatic moieties on both kaolinite and montmorillonite. DRIFT results of the unadsorbed HA fractions after sorption on kaolinite and goethite showed the sorption of the proteinaceous fractions of HA. The HA fractions obtained after coating on goethite showed significant sorption of carboxylic moieties. The results mentioned above comply reasonably well with the DRIFT spectra of the mineral-HA complexes. 13C NMR results showed higher sorption of anomeric C on kaolinite surface. Higher sorption of paraffinic fraction was observed on montmorillonite. NMR data inferred the sorption of carboxylic moieties on goethite surface. Overall, this study showed that aliphatic moieties of HA preferentially sorbed on kaolinite and montmorillonite, while carboxylic functional groups play a significant role in sorption of HA on goethite. The sorbed fractions of HA may modify the mineral surface properties, and thus, the interaction with organic contaminants.S. GHOSH WANG Zhen-Yu S. KANG P. C. BHOWMIK B. S. XING 2009Pedosphere2009,19,1:9
3Shared Principles in NF-κB Signaling显示文摘Matthew S. Hayden Sankar Ghosh 2008Cell2008,,3:4
4Notch mediates TGFα-induced changes in epithelial differentiation during pancreatic tumorigenesis显示文摘Yoshiharu Miyamoto Anirban Maitra Bidyut Ghosh Ulrich Zechner Pedram Argani Christine A. Iacobuzio-Donahue Virote Sriuranpong Tatsuya Iso Ingrid M. Meszoely Michael S. Wolfe Ralph H. Hruban Douglas W. Ball Roland M. Schmid Steven D. Leach 2003Cancer Cell2003,,6:3
5MODELING THE SPREAD OF HIV IN A STAGE STRUCTURED POPULATION: EFFECT OF AWARENESS显示文摘NAVJOT KAUR MINI GHOSH S. S. BHATIA 2012International Journal of Biomathematics2012,5,5:3
6Behavior of fluxed lime iron oxide pellets in hot metal bath during melting and refining显示文摘Lump lime as a flux material in a basic oxygen furnace (BOF) often creates problems in operation due to its high melting point, poor dissolution property, hygroscopic nature, and fines generation tendency. To alleviate these problems, fluxed lime iron oxide pellets (FLIP) containing 30% CaO were developed in this study using waste iron oxide fines and lime. The suitable handling strengths of the pellet (crushing strength: 300N; drop strength: 130 times) of FLIP were developed by treating with CO2 or industrial waste gas at room temperature, while no separate binders were used. When the pellet was added into hot metal bath (carbon-containing molten iron), it was decomposed, melted, and transformed to produce low melting oxidizing slag, because it is a combination of main CaO and Fe2O3 . This slag is suitable for facilitating P and C removal in refining. Furthermore, the pellet enhances waste utilization and use of CO2 in waste gas. In this article, emphasis is given on studying the behavior of these pellets in hot metal bath during melting and refining along with thermodynamics and kinetics analysis. The observed behaviors of the pellet in hot metal bath confirm that it is suitable and beneficial for use in BOF and replaces lump lime.J. Pal S. Ghorai M. C. Goswami D. Ghosh D. Bandyopadhyay S. Ghosh 2013International Journal of Minerals,Metallurgy and Materials2013,20,4:3
7Postoperative Complications and Mortality Following Colectomy for Ulcerative Colitis显示文摘Shanika de Silva Christopher Ma Marie–Claude Proulx Marcelo Crespin Belle S. Kaplan James Hubbard Martin Prusinkiewicz Andrew Fong Remo Panaccione Subrata Ghosh Paul L. Beck Anthony MacLean Donald Buie Gilaad G. Kaplan 2011Clinical Gastroenterology and Hepatology2011,,11:2
8Nonobese population in a developing country has a high prevalence of nonalcoholic fatty liver and significant liver disease显示文摘Kausik Das Kshaunish Das Partha S. Mukherjee Alip Ghosh Sumantra Ghosh Asit R. Mridha Tapan Dhibar Bhaskar Bhattacharya Dilip Bhattacharya Byomkesh Manna Gopal K. Dhali Amal Santra Abhijit Chowdhury 2010Hepatology2010,,:2
9Status of tick distribution in Bangladesh, India and Pakistan显示文摘Srikant Ghosh Gyan Chand Bansal Suresh Chandra Gupta Debdatta Ray Muhammad Qasim Khan Hamid Irshad Md. Shahiduzzaman Ulrike Seitzer Jabbar S. Ahmed 2007Parasitology Research2007,,2:2
10The effect of cooling rate on structure and properties of a HSLA forging显示文摘S. Das A. Ghosh S. Chatterjee P.Ramachandra Rao 2003Scripta Materialia2003,,1:2
11European evidence-based Consensus on the management of ulcerative colitis: Current management显示文摘S.P.L. Travis E.F. Stange M. Lémann T. ?resland W.A. Bemelman Y. Chowers J.F. Colombel G. D'Haens S. Ghosh P. Marteau W. Kruis N.J.McC. Mortensen F. Penninckx M. Gassull 2008Journal of Crohn’s and Colitis2008,,1:2
12尼日利亚钛铁矿的矿物学特征和浸出行为(英文)显示文摘研究尼日利亚钛铁矿矿物学特征和经机械活化和碱性焙烧处理后的浸出行为。研究了NaOH/矿石比、H2SO4浓度、浸出和焙烧温度对钛回收率的影响。结果表明,机械活化对钛铁矿石的浸出有明显的增强作用。钛铁矿经机械活化后,加入60%NaOH在850°C下焙烧,在温度为90°C,经60%H2SO4浸出4 h下的浸出率为72%。对焙烧矿、水处理后残渣和酸浸滤渣的XRD物相分析证实了反应机理和实验结果。A. A. BABA S. SWAROOPA M. K. GHOSH F. A. ADEKOLA 2013Transactions of Nonferrous Metals Society of China2013,23,9:2
13A Characterization of Semirings Which Are Subdirect Products of a Distributive Lattice and a Ring显示文摘S. Ghosh 1999SemiGroup Forum1999,,1:1
14Neural modeling and imaging of the cortical interactions underlying syllable production显示文摘Frank H. Guenther Satrajit S. Ghosh Jason A. Tourville 2005Brain and Language2005,,3:1
15Effect of porosity and alumina content on the mechanical properties of compocast aluminium alloy-alumina particulate composite显示文摘P. K. Ghosh S. Ray 1986Journal of Materials Science1986,,5:1
16Electromagnetic radiation characteristics during fatigue crack propagation and failure显示文摘A. Misra S. Ghosh 1980Applied Physics1980,,4:1
17Two‐in‐One: Inherent Anhydrous and Water‐Assisted High Proton Conduction in a 3D Metal–Organic Framework<link href='#nss'/>显示文摘Sanjog S. Nagarkar Sreekuttan M. Unni Amitosh Sharma Sreekumar Kurungot Sujit K. Ghosh 2014Angew Chem Int Ed2014,,10:1
18Modified GaSe crystal as a parametric frequency converter显示文摘S. Das C. Ghosh O.G. Voevodina Yu.M. Andreev S.Yu. Sarkisov 2006Applied Physics B2006,,1:1
19Diverse Role of Silicon Carbide in the Domain of Nanomaterials显示文摘T. Sahu B. Ghosh S. K. Pradhan T. Ganguly Ujjal Kumar Sur 2012International Journal of Electrochemistry2012,,:1
20Top 10 algorithms in data mining显示文摘Xindong Wu Vipin Kumar J. Ross Quinlan Joydeep Ghosh Qiang Yang Hiroshi Motoda Geoffrey J. McLachlan Angus Ng Bing Liu Philip S. Yu Zhi-Hua Zhou Michael Steinbach David J. Hand Dan Steinberg 2008Knowledge and Information Systems2008,,1:1
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