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146篇 您的检索式：作者名="Varum"

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	题名	作者	年代	出处	被引量
1	Response reduction factor of irregular RC buildings in Kathmandu valley显示文摘Most current seismic design includes the nonlinear response of a structure through a response reduction factor(R). This allows the designer to use a linear elastic force-based approach while accounting for nonlinear behavior and deformation limits. In fact, the response reduction factor is used in modern seismic codes to scale down the elastic response of a structure. This study focuses on estimating the actual ‘R' value for engineered design/construction of reinforced concrete(RC) buildings in Kathmandu valley. The ductility and overstrength of representative RC buildings in Kathmandu are investigated. Nonlinear pushover analysis was performed on structural models in order to evaluate the seismic performance of buildings. Twelve representative engineered irregular buildings with a variety of characteristics located in the Kathmandu valley were selected and studied. Furthermore, the effects of overstrength on the ductility factor, beam column capacity ratio on the building ductility, and load path on the response reduction factor, are examined. Finally, the results are further analyzed and compared with different structural parameters of the buildings.	Hemchandra Chaulagain Hugo Rodrigues Enrico Spacone Ramesh Guragain Radhakrishna Mallik Humberto Varum	2014	Earthquake Engineering and Engineering Vibration2014，13，3：	2
2	Comparative efficiency analysis of different nonlinear modelling strategies to simulate the biaxial response of RC columns显示文摘The performance of different nonlinear modelling strategies to simulate the response of RC columns subjected to axial load combined with cyclic biaxial horizontal loading is compared. The models studied are classified into two categories according to the nonlinearity distribution assumed in the elements: lumped-plasticity and distributed inelasticity. For this study, results of tests on 24 columns subjected to cyclic uniaxial and biaxial lateral displacements were numerically reproduced. The analyses show that the global envelope response is satisfactorily represented with the three modelling strategies, but significant differences were found in the strength degradation for higher drift demands and energy dissipation.	Hugo Rodrigues Humberto Varum António Arêde Aníbal Costa	2012	Earthquake Engineering and Engineering Vibration2012，11，4：	2
3	Mucoadhesion and the gastrointestinal tract 显示文摘	Varum FJ McConnell EL Sousa JJ	2008	Crit Rev Ther Drug Carrier Syst2008，25，3：	1
4	Chitosan asabsorption enhancers of poorly absorbable drugs 3: influenceof mucuson absorption enhancement显示文摘	SCHIPPER G M VARUM K M STENBERG P	1999	Eur J Pharm Sci1999，8，2：	1
5	Energy metabolism in human pluripotent stem cells and their differentiated counterparts显示文摘	Varum S Rodrigues AS Moura MB		0，，：	1
6	Solution properties of chitosans:conformation and chain stiffness of chitosans with different degrees of N-acetylation显示文摘	Anthonsen MW Varum KM Smidsrod O		0，，03：	1
7	Bi- axial optical aceelerometer and high-angle inclinome- ter with temperature and cross-axis insensitivity显示文摘	Antunes P F C Marques C A Varum H	2012	IEEE Sensors Journal2012，12，7：	1
8	Directions in scenario planning literature - A review of the past decades 显示文摘	Celeste Amorim Varum and Carla Melo	2010	Futures Volume 42 Issue 42010，2010，：	1
9	Experimental evaluation of rectangular reinforced concrete column behavior under biaxial cyclic loading 显示文摘	Rodrigues H Arede A Varum H	2013	Earthquake Engineering & Structural Dynamics2013，42，2：	1
10	Comparison of partially N-acetlated chitosan and chitooligosaccharides to elicit resistance reactions in wheat Icaves显示文摘	Vander P varum K M Domard A E	1998	Plant Physiology1998，118，4：	1
11	Im- proved ehitosan-mediated gene delivery based on easily dissoci- ated chitosan polyp\|exes of highly defined chitosan otigomers 显示文摘	KOPING-HOGGARD M VARUM K M ISSA M etal	2004	GeneTherapy2004，11，：	1
12	Preparation and charactcrisation of oligosaccharides produced by nitrous acid depolymerisation of chitosans显示文摘	Tommeraas K Varum K M Christensen B E		Carbohydr Res 200 1 333 (2)0，，：	1
13	Seismic retrofitting solution of an adobe masonry wall 显示文摘	Figueiredo A Varum H Costa A	2013	Materials and Structures2013，46，12：	1
14	Degradation of fully water - soluble, partially N - acetylated chitosans with lysozyme显示文摘	Nordtveit R J Varum K M Smidsrφd O	1994	Carbohyd Polym1994，23，4：	1
15	Mucoadhesive platforms for targeted delivery to the colon显示文摘	Felipe J.O. Varum Francisco Veiga Jo?o S. Sousa Abdul W. Basit	2011	International Journal of Pharmaceutics2011，，1：	1
16	Oral modified-release formulations in motion:the relationship between gastrointestinal transit and drug absorption显示文摘	F J Varum H A Merchant A W Basit		0，，：	1
17	Degradation of partially N-acetylated chitosans with hen egg white and human lysozyme 显示文摘	Nordtveit R J Varum K M Smidarod O	1994	Carbohydr Poiym1994，23，：	1
18	Importance of the bond-slip mechanism in the numerical simulation of the cyclic response of RC elements with plain reinforcing bars 显示文摘	Fernandes C Varum H Costa A	2013	Engineering Structures2013，56，11：	1
19	Determinants of exports in China:A microeconometric analysis显示文摘	Huang C Zhang M Zhao Y Varum C A		0，，02：	1
20	Degradation of partially N-acetylated chitosans with egg white and human lsyozyme显示文摘	Nordtceit R J Varum K M Smidsrod O	1996	Carbohydrate Polymers1996，29，2：	1

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