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Spontaneous volume magnetostriction of Dy2AlFe12Mn4 compoundHAO Yanming, ZHOU Yan, and ZHAO Miao Department of Physics, Tianjin Normal University, Tianjin 300074, China摘 要:volume magnetostrictive deformation ωs; decreases from 6.2×10-3 to near zero with the temperature increasing from 105......
A Novel Open C-shaped Molar Band for Orthodontic Applications: Mechanical Characterizations and Clinical Trials周珊1,GUO Yang2,WANG Peijun1,FU Wei1,XU Shiqian3,张斌41. Department of Orthodontics... of the novel ‘C’-shaped molar bands at a laboratory level. Resin-modified glass ionomer cement(RMGIC) was used as a luting agent for the novel C-shaped molar band. The mechanical properties of the band......
Effects of SrO/Al2O3 Molar Ratio on the Luminescent Characteristics of Rare-Earth Strontium Aluminate Phosphors 张玉军1,谭砂砾2,尹衍升1 (1.Education Ministry Key Laboratory of Lquid Structure and Heredity of Materials, Shandong University, Jinan 250061, China;2.School of Environment Science and Engineering, Shangdong University, Jinan 250061, China) Abstract:The study on the effects of SrO/Al2O3 molar......
Influence of MgO/MgCl2 Molar Ratio on Phase Stability of Magnesium Oxychloride Cement巴恒静,关辉摘 要:Formation, solution and phase change of hydration products in MgO-MgCl2-H2O system was studied with thermodynamics method, and resistance to water immersion and phase change of magnesium oxychloride cement with different MgO/MgCl2 molar ratio was experimented......
Online Monitoring Volume Deformation of Cement-based Materials in Multiple Environments马保国摘 要:<正>Comparing and analyzing some volume deformation measuring means for cement-based materials at home and abroad, a continuous online monitor of cement-based material volume deformation in multiple environments is developed. The device is designed based......
Development of high volume rice husk ash alumino silicate compositesUbolluk Rattanasak1,Prinya Chindaprasirt2,Prasert Suwanvitaya31. Department of Chemistry and Center for Innovation in Chemistry...:The development of high volume rice husk ash (RHA) alumino silicate composites (ASC) was studied. RHA was used as the source of silica and aluminium......
100029, China摘 要:Mesoporous silica materials with high pore volume were successfully prepared by the chemical precipitation method, with water glass... on both the surfactant content and heat treatment temperature. When the content of PEG was 10wt/ and the obtained PEG/SiO2 composite was heated at 600°C, the mesoporous silica with a pore volume of 2.2......
J. Cent. South Univ. Technol. (2009) 16: 0730-0737 DOI: 10.1007/s11771-009-0121-4 Chemical vapor deposition of SiC at different molar ratios of hydrogen to methyltrichlorosilane YANG Yan(杨 艳...; Abstract: Chemical vapor deposition (CVD) of SiC from methyltrichlorosilane (MTS) was studied at two different molar ratios of H2 to MTS (n(H2)/n(MTS)). The total......
Determination of Standard Molar Enthalpies of Formation of Complexes of Rare Earth Bromides with Glycine孙同山,王凤廉,肖玉梅,黄超摘 要:DeterminationofStandardMolarEnthalpiesofFormationofComplexesofRareEarthBromideswithGlycineSunTongshan(孙同山),WangFenglian(王凤廉),...关键词:......
-hydroxyacetophenone and 2-amino-3-carboxyethyl-4,5,6,7-tetrahydrobenzo[b]thiophene were synthesized and characterized on the basis of elemental analyses, molar conductance measurements, magnetic susceptibility data, UV.... The decomposition reactions followed random nucleation mechanism with one nucleus on each particle. Key words:lanthanides; o-hydroxyacetophenone; molar conductance; magnetic susceptibility; thermal study; rare......