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to the temperature gradient which is caused by shallow microwave penetration depth and super heating occurring at the solid–liquid interface. The kinetic study shows that the pressure leaching of copper...Intensification of pretreatment and pressure leaching of copper anode slime by microwave radiationYANG Hong-ying(杨洪英)1, MA Zhi-yuan(马致远)1, 2, HUANG Song-tao(黄松涛)2, LV Yang(吕阳)1, XIONG Liu(熊柳)1(1......
. 图1 微波加热仿真模型 Fig. 1 Simulation model of microwave heating 表1 仿真模型参数 Table 1 Simulation model parameters 2 多物理场下的微波加热传热仿真及结果分析 根据1.1节中麦克斯韦方程与傅里叶传热方程可知,影响物体传热性能的因素众多.对于外部影响因素,微波作用下电磁场强度,电磁场分布以及作.... 6 Microwave heating average temperature of asphalt concrete with different dielectric constants 图7所示为相同微波加热条件下不同介电常数的沥青混凝土模型TCOV变化情况.由图7可知:TCOV由大至小的模型分别为模型一,模型二和模型三,由此可知材料的损耗角正切越大,微波加热下模型的温度均匀性越差.这主要......
M P. Application of microwave-heating techniques for the synthesis of solid-state inorganic- compounds[J]. Journal of the Chemical Society: Chemical Communications, 1988, 12: 829-830. [14] Bagurst D R, Mingos D M P. Application of microwave dielectric heating effects to synthetic problems in chemistry[J]. Chemical Society Reviews, 1991, 20(1): 1-47. [15] Komarneni S. Nanophase materials......
structure of pellets after microwave heating show that Fe2O3 has longer reduction time and several changes of physical phase, and makes the rate of reduction reaction mismatching with temperature...还原度铁氧化物球团在微波场中的升温曲线 Fig.2 Heating curves of iron oxide pellets under different reduction degrees in microwave field 从图2可以看出:氧化球团在微波场中较其他预还原球团具有更快的升温速度,平均升温速度可以达到20.32 ℃/min；还原度达到33.88%的铁氧化物球团在微波......
Trans. Nonferrous Met. Soc. China 24(2014) 2574-2580 Microwave absorption properties of FeSiBNbCu glass-covered amorphous wires Xiao-dong WANG1, Jing-shun LIU2, Fa-xiang QIN3, Huan WANG1, Da-wei... of short-wire packing ratio (3%-9% in mass fraction) and thickness (1-7 mm) on the microwave absorption properties was systematically investigated in microwave frequency range of 2-18 GHz. X-ray......
铜型抗菌沸石的合成 丁宁1,肖士民1,甘舸1 (1.华南理工大学化工学院,广州510640) 摘要:用液相,固相离子交换法将沸石与具有抗菌性能的铜离子合成抗菌沸石.用正交法确定了两种方法的较佳条件,并进行了比较.液相,固相离子交换法合成铜型抗菌沸石的较佳条件为硫酸铜浓度为0.1 mol*L-1, 硫酸铜用量为0.02 mol;温度分别为60℃和550℃,反应时间分别为4h和1h.尝试利用微波加热法合成抗菌沸石.微波加热合成抗菌沸石可以减少反应时间和节约能源. 关键词:沸石; 离子交换; 微波加热; Zeolites Ion exchange Microwave heating; [全文内容正在添加中] ......
Microwave absorbing properties of La0.8Ba0.2MnO3 nano-particles ZHOU Ke-sheng(周克省), DENG Jian-jie(邓建杰), YIN Li-song(尹荔松), MA Shi-hong(马诗宏), GAO Song-hua(高松华) School of Physics Science... characterized by XRD and SEM, respectively. The complex permittivity and permeability were determined by microwave vector network analyzer in the frequency range of 2-18 GHz. The relationship between......
transformation of the diasporic bauxite-sodium hydroxide-calcium hydroxide system in microwave heating LE Thiquynhxuan1, 2, 3, JU Shaohua1, 2, 3, PENG Jinhui1, 2,WANG Shixing1, 2, 3, ZHOU Liexing1, 2, WANG... is 2.0; microwave roasting temperature is 800 ℃ and holding time is 20 min. The roasted product obtained at the optimum conditions is porous, and its leaching effect is good. Key words: microwave heating......
. Joule heating effect on the thermal equation is retained. Analytic solutions for stream function and temperature are constructed. Numerical integration is carried out for pressure rise per wavelength. Effects of influential flow parameters have been pointed out through graphs.Key words:peristaltic flow; convective conditions; Joule heating......
, 2008, 178(2): 842?847. [14] HU Guo-rong, LIAO Gang, PENG Zhong-dong, XIAO Jin, ZHANG Xin-long, YU Xiao-yuan. Structure and electrochemical properties of LiCoO2 synthesized by microwave heating[J]. J...: 258?261. [16] UEMATSU K, OCHIAI A, TODA K, SATO M. Solid chemical reaction by microwave heating for the synthesis of LiFePO4 cathode material[J]. J Ceram Soc Jap, 2007, 115(1343): 450?454. [17......
