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14篇 您的检索式：作者名="Yawu"

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		题名	作者	年代	出处	被引量
	1	A new method to simulate irregular particles by discrete element method显示文摘Granular materials are ubiquitous in nature and important in various applications such as road and railway engineering. Granular materials exhibit complicated mechanical behaviors, which are affected significantly by the irregular shape of particles. Currently, the discrete element method (DEM) has been accepted as an effective approach to investigate the mechanical behaviors of granular materials. However, there are scarce simulations based on DEM in literatures considering the irregularity of particle shape. A new method is proposed to simulate individual real particle with irregular shape using clump constituted by overlapping spheres. First, the geometric model of real particle with surface nodes and inner nodes is established through digitally processing the computerized tomography (CT) scanning data. Second, a clump consisting of spheres is generated to simulate the real particle using a minimum distance criterion. The criterion is implemented by tree optimization algorithm. Influential factors are also introduced to balance the model accuracy and computing cost. Effects of the influential factors, including the density of geometric grid and the minimum distance, on simulations are discussed. Results show that this new method is simpler and more efficient than the previous methods in terms of the model accuracy and computing cost.	Rui Gao Xin Du Yawu Zeng Yong Li Jing Yan	2012	Journal of Rock Mechanics and Geotechnical Engineering2012，4，3：	2
	2	A novel alumina- activated carbon composite supported NiMo catalyst for hydrodesulfurization of dibenzothiophene 显示文摘	Liu Fang Xu Shaoping Chi Yawu	2011	Catalysis Communications2011，12，6：	1
	3	Combined diffusion and pertusion MRI with correlation to single-photom emission CT in acute is chemic stroke显示文摘	Jari O Karonen Ritva L Vanninen Yawu Liu	1999	Stroke1999，30，：	1
	4	Education increases reserve against Alzheimer’s disease—evidence from structural MRI analysis显示文摘	Yawu Liu Valtteri Julkunen Teemu Paajanen Eric Westman Lars-Olof Wahlund Andrew Aitken Tomasz Sobow Patrizia Mecocci Magda Tsolaki Bruno Vellas Sebastian Muehlboeck Christian Spenger Simon Lovestone Andrew Simmons Hilkka Soininen	2012	Neuroradiology2012，，：	1
	5	Combined diffusion and perfusion MRI with correlation to single-photon Emission CT in acute ischemic stroke显示文摘	Jari OK Ritva LV Yawu L	1999	Stroke1999，30，：	1
	6	A novel alumina-activated carbon composite supported NiMo catalyst for hydrodesulfurization of dibenzothiophene显示文摘	Liu Fang Xu Shaoping Chi Yawu	2011	Catalysis Communications2011，，6：	1
	7	Peffusion differences on SPECT and PWI in patients with acute ischemic stroke显示文摘	Juho Nuutinen Yawu Liu Mikko P	2009	Neurora- diology2009，51，：	1
	8	Infrared study of NO adsorption and reduction with C3H6 in the presence of O2 over CuO/γ-Al2O3显示文摘	Yawu Chi Steven S C Chuang	2000	J Catal2000，190，：	1
	9	Combined perfusion - and diffusion - weighted MR imaging in acute ischemic stroke during the 1st week: a longitudinal study显示文摘	JARI O K YAWU L RITVA L V	2000	Radiology2000，217，：	1
	10	Reduced Mouse Fibroblast Cell Growth by Increased Hydrophilicity of Mi- crobial Polyhydroxyalkanoates via Hyaluronan Coating 显示文摘	Wang Yawu Wu Qiong Chen Guoqiang	2003	Biomaterials2003，24，：	1
	11	Effect of composition of poly (3-hydroxybutyrate-co-3-hydroxyhexanoate) on growth of fibroblast and osteoblast 显示文摘	WANG Yawu Yang Fei WU Qiong	2005	Biomaterials2005，26，7：	1
	12	Alteration of subcellular redox equilibrium and the consequent oxidative modification of nuclear factor kB are critical for anticancer cytotoxicity by emodin a reactive oxygen species-producing agent显示文摘	Yawu Jing Jie Yang Yumei Wang	2006	Free Radical Biol & Med2006，40，：	1
	13	Biodegradation studies of poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) 显示文摘	Wang Yawu Mo Weike Yao Huilan	2004	Polymer Degradation and Stability2004，85，2：	1
	14	IntYared Study of NO Adsorption and Reduction with C3H6 in the Presence of O: over CuO/AI203 显示文摘	Chi Yawu Chuang S S C	2000	JCatal2000，190，1：	1

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