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140篇 您的检索式:作者名="Surendra P"
    题名 作者 年代 出处 被引量
1纳米二氧化硅团聚特性对水泥水化硬化性能的影响显示文摘以团聚粒径很大的沉淀二氧化硅(PS)和团聚粒径较小的纳米二氧化硅(NS)为原材料,研究了纳米二氧化硅团聚特性对水泥水化硬化特性的影响。结果表明:与NS相比,虽然PS团聚粒径很大,后期火山灰活性较低,其早期火山灰活性却较大,对水泥水化的促进作用也更明显。扫描电子显微镜分析表明,NS和PS的火山灰反应产物的胶结作用有限,其与水泥水化产物本体之间甚至存在明显的界面过渡区。压汞分析表明:掺PS和NS均可有效降低硬化水泥石毛细孔率;与掺PS相比,掺NS对减小20 nm~10μm的凝胶孔和毛细孔体积更有利。掺纳米二氧化硅对硬化水泥石微观结构的影响主要是由于团聚颗粒对水泥分散体系的填充效应和吸水效应所致,与晶核效应无关。孔德玉 杜祥飞 杨杨 Surendra P Shah 2012硅酸盐学报2012,40,11:23
2复方草药制剂减轻高草酸尿导致的氧化应激及预防草酸钙沉积和大鼠肾细胞损伤(英文)显示文摘INTRODUCTION:Cystone is an approved Ayurvedic polyherbal proprietary medicine used in India for various urinary disorders,including urolithiasis.AIM:To evaluate the protective effect of Cystone against hyperoxaluria-induced oxidative stress and calcium oxalate crystal deposition in urolithiasis.METHODS:Ethylene glycol(EG)(0.75%,V/V)in drinking water was given to rats for 28 days to induce urolithiasis with simultaneous treatment of Cystone(500 and 750 mg/kg body weight),and various urinary risk factors of urolithiasis and antioxidant markers were assessed.RESULTS:EG treatment lead to increased urine volume and lowered urinary pH,along with increased urinary excretion of oxalate,calcium and phosphate in untreated animals.These changes caused extensive calcium oxalate crystal deposition,increased lipid peroxidation and decreased activity of antioxidant enzymes(SOD,catalase and GPx)in the kidney of untreated rats.Cystone prevented these hyperoxaluric manifestations and inhibited calcium oxalate crystal deposition in treated rats at both doses.CONCLUSIONS:Cystone therapy provides protection against hyperoxaluria-induced oxidative stress and calcium oxalate crystal deposition by improving renal tissue antioxidant status and diuresis.Kiran S. Bodakhe Kamta P Namdeo Kartik C.Patra Lalit Machwal Surendra K. Pareta 2013中国天然药物2013,11,5:2
3中国农业产值优化组合预测研究显示文摘运用回归预测法与灰色系统预测法分别对中国农业总产值进行预测,再根据两种方法的误差确定优化组合预测模型的权重,通过优化组合方法对两种预测方法结果进行信息综合。结果表明,优化组合模型综合预测方法具有相对合理性、可行性和实用性,可为中国农业经济发展规划及管理决策提供科学依据。朱春江 SINGH Surendra P COMER Sammy L 2013湖北农业科学2013,52,23:2
4Loss or altered subcellular localization of p27 in Barrett′s associated adenocinoma显示文摘Surendra P Lipman J Goldman H 1997Cancer Res1997,58,:1
5Shrinkage cracking of restrained concrete slabs显示文摘Weiss Jason W Yang Wei Shah Surendra P 1998Journal of Engineering Mechanics1998,124,7:1
6Carbon nanofibor reinforced cement - based materials 显示文摘Metaxa Z S Konsta C doutos Maria S Shah Surendra P 2010Transportation Research Board2010,,2142:1
7Effect of Cracking on Water and Chloride Permeability of Concrete显示文摘Corina Maria Aldea Surendra P Shah Member 1999Journal of Materials in Civil Engineering1999,11,3:1
8Permeability Study of Cracked Concrete显示文摘WANG Ke-jin JANSEN D C SHAH SURENDRA P 1997Cement and Concrete Research1997,27,3:1
9Two parameter fracture model for concrete 显示文摘YEOUSHANG J SURENDRA P S 1985Journal of Engineering Mechanics1985,111,10:1
10Plastie shrinkage cracking in concrete materials-Influence of fly ash and fibers显示文摘WANG Ke-jin SHAH SURENDRA P PHUAKSUK PARIYA 2001ACI Materials Journal2001,98,6:1
11Carbon nanofiber reinforced cement - based materials 显示文摘Metaxa Z S Konsta Gdoutos Maria S Shah Surendra P 2010Transportation Research Board2010,,2142:1
12Highly sensitive catalytic spectrophotometric determination of ruthenium 显示文摘Radhey M N Abhishek S Surendra P 2008Spetrochimica Acta Part A2008,69,:1
13Loss or altered subcellular localization of p27 in Barrett's associated adenocarcinoma 显示文摘Surendra P Lipman J Goldman H 1997Cancer Res1997,58,8:1
14Softening response of plain concrete in direct tension显示文摘GOPALARATNAM V S SURENDRA P S 1985ACI Journal1985,,3:1
15Plastic Shrinkage Cracking of Fiber Reinforced Concrete显示文摘MIROSLAW G SURENDRA P S 1990ACI Materials Journal1990,87,2:1
16Robust adaptive beamforming for wideband, moving, and coherent jammers via uniform linear arrays显示文摘Monika A Surendra P 1999IEEE Transactions on Antennas and Propagation1999,47,8:1
17Toxic Impact of Organophosphorus Insecticides on Acetylcholinesterase Activity in the Silkworm, Bombyx mori L显示文摘B Surendra Nathl and R P Surendra Kumar 1999Ecotoxicology and Environmental Safety1999,42,2:1
18Re- sponse of reinforced concrete beams at high strain rates显示文摘Shrikrishna M Kulkarni Surendra P 1998ACI Structural Journal1998,95,6:1
19Fracture mechanism in cement-based material subject to compression显示文摘SOKHUAN C SURENDRA P S 1998Engineering Mechanics1998,11,:1
20Shrink- age cracking can it be prevented显示文摘SURENDRA P SHAN W JASON WE1SS WEI YANG 1998Concrete International1998,,4:1
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