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Porosity,Pore Size Distribution and Chloride Permeability of Shotcrete Modified with Nano Particles at Early Age李贺东1,闫东明1,CHEN Genda2,XU Shilang1,LIU Jintao1,HU Yanjia11. Department of Civil Engineering, Zhejiang University2. Department of Civil, Architecture & Environment Engineering, Missouri University of Science and Technology摘 要:Nano particles have......
Long-term Antibacterial Properties and Bond Strength of Experimental Nano Silver-containing Orthodontic Cements李福军,李祖兵,LIU Gumei,HE HongHospital of Stomatology, Wuhan University摘 要:The purpose of this study was to evaluate the long time antibacterial properties and shear bond strength of experimental nano silver-containing cements (NSC). Nano silver......
The Synthesis, Characterization, Photocatalytic Evaluation and Deactivation Behavior of Sheet-like Nano Titania蔡国发1,刘保顺1,21. State Key Laboratory of Silicate Materials and Architectures (Wuhan University of Technology)2. School of Materials Sciences and Engineering,Wuhan University of Technology摘 要:The sheet-like nano TiO2 particles were prepared......
Antibacterial Properties of Nano Silver-containing Orthodontic Cements in the Rat Caries Disease Model李福军1,FANG Ming2,PENG Yuying2,ZHANG Jiayin11. Hospital of Stomatology, Wuhan University2. Tieling Health College摘 要:The purpose of this study was to evaluate the antibacterial properties of experimental nano silver-containing cements(NSCs) using rat......
performance and pressure drop of Al2O3/water and SiO2/water nanofluids flowing through a circular tube. Measurements show that the addition of small amounts of nano-sized Al2O3 particles to the base... conditions.Key words:convection; forced convection; heat transfer; nano scale heat transfer......
Preparation of Nano Y2O2S:Eu Phosphor by Ethanol Assisted Combustion Synthesis Method Xing Mingming1,Cao Wanghe1,Luo Xixian1 (1.Optoelectronic Technology Institute, Dalian Maritime University, Dalian 116026, China) Abstract:Y2O2S∶Eu nano crystallines were prepared by a new ethanol assisted combustion synthesis method using sulfur-contained organic fuel in an ethanol-aqueous solution......
纳米红外(Nano IR)研究纤维素基炭纤维在制备过程中基团的变化宋芸佳,陈淙洁,吴琪琳摘 要:从纤维截面微区化学基团变化的角度,深入地解析了纤维素基炭纤维制备过程中微观结构的演变.首先利用超薄切片技术获得低温热解各阶段(室温~600℃)纤维的横截面,通过纳米红外技术(Nano IR)获得了纤维的形貌,红外光谱图以及截面微区基团分布的mapping图.结果发现-OH,CO基团在纤维截面上分布不均匀,裂解过程中基团变化显著,皮层和芯层反应不同步;拉曼光谱分析了I_D/I_G的变化,进一步证实了截面微区结构的不均质导致的性能变化.关键词:纳米红外;纤维素纤维;炭纤维;基团;截面;......
Low Temperature Synthesis of Nano Porous 12CaO?7Al2O3 Powder by Hydrothermal MethodKarim Khan,李佳,ZOU Wenwei,XU Wei,YANG Ye,SONG WeijieNingbo Institute of Material Technology and Engineering,Chinese... the samples at a synthesis temperature range of 250-800 ℃ for 5 h were in the range of about 19-24 m2/g, with pore sizes of 12-20 nm. This low-temperature-based synthetic strategy along with nano porous......
Trans. Nonferrous Met. Soc. China 27(2017) 82-90 Production and mechanical properties of nano SiC particle reinforced Ti-6Al-4V matrix composite G. SIVAKUMAR1, V. ANANTHI2, S. RAMANATHAN3 1. CISL... University, Tamilnadu 608002, India Received 22 November 2015; accepted 31 May 2016 Abstract: Different mass fractions (0, 5%, 10%, and 15%) of the synthesized nano SiC particles reinforced Ti-6Al-4V (Ti64......
Fabrication and Characterization of Nano Silver Powder Prepared by Spray Pyrolysis章桥新摘 要:Silver powder was fabricated by spray pyrolysis, using 2%-20... grain growth occurred. With the low concentration of AgNO3 aqueous solution, the higher furnace set temperature made the nano sliver grains sintered together to grow. Nano silver powder about 100 nm......
