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Author:Chen Yi-Wang , Zhang Pin
Data Source:[J].Chinese Physics B(IF 1.148), 2014, Vol.23 (12)IOP
Abstract:A higher-order finite-difference time-domain (HO-FDTD) in the spherical coordinate is presented in this paper. The stability and dispersion properties of the proposed scheme are investigated and an air-filled spherical resonator is modeled in order to demonstrate the advantage of...
Author:CHEN Yi-wang , ZHAO Jian-wei
Data Source:[C].中国仪器仪表学会仪表材料分会2013CNKI
Abstract:Atomic defects play an important role in the brittle deformation of nanowires at low temperatures.With molecular dynamics simulations,we study the influence of vacancy defects on the deformation and breaking behaviors of[100]oriented single-crystal gold nanowires at 50 and 1...
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Author:Xu Xin , Chen Yi-Wang
Data Source:[J].Communications in Applied Sciences, 2014, Vol.2 (1)Infinity Press
Abstract:In this paper, the method of caculating multifractal spectrum with partition function is briefly introduced based on multifractal theory. As research object, a growing structure is simulated by computer. Then we discuss the shortage of the partition function method and the effect...
Author:谌伟庆 , 陈义旺 , 冯俊 ...
Data Source:[J].塑料工业, 2007, (S1), pp.292-294CNKI
Abstract:以硬脂酸、氧化稀土、烧碱、硝酸等为原料采用直接法合成硬脂酸稀土。检测了稀土含量,并且用刚果红试纸法测定了所合成的硬脂酸稀土及其复合物对聚氯乙烯(PVC)的热稳定效果。研究结果表明:采用直接法...
Cited Times:8Download Times:242
Author:陈亦望 , 张品 , 傅强
Data Source:[J].模式识别与人工智能, 2012, (01), pp.16-22CNKI
Abstract:从三维形状分析的角度研究基于微多普勒特征的人体目标动作分类.为了从人体运动目标的多普勒频移中获取人体姿态、动作信息,将人体动作多普勒信号经短时傅立叶变换后获得的时间、频率和功率三维...
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Author:谌烈 , 陈义旺 , 查代军
Data Source:[J].高分子材料科学与工程, 2008, (09), pp.52-55CNKI
Abstract:从设计合成单体噻吩取代对苯二甲酸双(对甲氧基苯)酯入手,以FeCl3为催化剂,CHCl3为溶剂,合成了一种新型以聚噻吩为共轭主链的共轭聚合物。利用核磁共振(1H-NMR),红外光谱(IR)等方法表征了单体和聚合物的结构。...
Cited Times:2Download Times:205
Author:聂华荣 , 陈义旺 , 贺晓慧 ...
Data Source:[J].应用化学, 2006, (05), pp.498-502CNKI
Abstract:用乳液聚合法制备了聚氯甲基苯乙烯纳米乳胶粒子,研究了表面活性剂、引发剂、反应温度及单体含量对聚合物微球粒径大小的影响。粒度分析和SEM检测结果表明,当反应温度为50℃,单体、表面活性剂及引发...
Cited Times:2Download Times:249
Author:聂华荣 , 陈义旺 , 贺晓慧 ...
Data Source:[J].应用化学, 2006, (05), pp.498-502CNKI
Abstract:用乳液聚合法制备了聚氯甲基苯乙烯纳米乳胶粒子,研究了表面活性剂、引发剂、反应温度及单体含量对聚合物微球粒径大小的影响。粒度分析和SEM检测结果表明,当反应温度为50℃,单体、表面活性剂及引发...
Cited Times:2Download Times:249
Author:张品 , 陈亦望 , 靳秀海
Data Source:[J].兵工学报, 2012, (01), pp.121-128CNKI
Abstract:为了精确研究植物遮障下电大尺寸金属目标电磁散射特性,提出了一种高效混合计算模型。通过构造真实树结构对植物遮障的散射建立多层频域计算模型;基于时域有限差分方法,对目标区域的散射建立时域计算模型...
Cited Times:1Download Times:85

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