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Social and Behavioral Sciences Commons™
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Articles 31 - 41 of 41
Full-Text Articles in Social and Behavioral Sciences
Atomic Observations Of Warm Rolled Low Carbon Steels Alloyed With Cr And P, E V. Pereloma, M K. Miller
Atomic Observations Of Warm Rolled Low Carbon Steels Alloyed With Cr And P, E V. Pereloma, M K. Miller
Faculty of Engineering and Information Sciences - Papers: Part A
Extended abstract of a paper presented at Microscopy and Microanalysis 2005 in Honolulu, Hawaii, USA, July 31--August 4, 2005
Reinforcement Of Macroscopic Carbon Nanotube Structures By Polymer Intercalation: The Role Of Polymer Molecular Weight And Chain Conformation, C J. Frizzell, Marc In Het Panhuis, D H. Coutinho, K J. Balkus, A Minett, W J. Blau, J N. Coleman
Reinforcement Of Macroscopic Carbon Nanotube Structures By Polymer Intercalation: The Role Of Polymer Molecular Weight And Chain Conformation, C J. Frizzell, Marc In Het Panhuis, D H. Coutinho, K J. Balkus, A Minett, W J. Blau, J N. Coleman
Faculty of Engineering and Information Sciences - Papers: Part A
Novel polymer nanotube composites were fabricated by intercalating poly(vinylpyrrolidone) into Buckypaper from solution. This was carried out for both low (10kg∕mol) and very high (1.3Mg∕mol) molecular weight polymers. Measurements of the polymer mass uptake as a function of time allowed the calculation of diffusion coefficients as 1.66×10−9cm2∕s and 3.08×10−12cm2∕s for the low and high molecular weight strands, respectively. Taking into account the molecular weights, comparison of these coefficients suggests that each polymer type undergoes a different mode of diffusion: normal diffusion for the 10kg∕mol polymer, but reptation for the 1.3Mg∕mol polymer. This means that while the low weight polymer retains …
Drag Reduction In A Flat-Plate Turbulent Boundary Layer Flow By Polymer Additives, Shu-Qing Yang, G Dou
Drag Reduction In A Flat-Plate Turbulent Boundary Layer Flow By Polymer Additives, Shu-Qing Yang, G Dou
Faculty of Engineering and Information Sciences - Papers: Part A
This paper presents a theoretical study on the velocity distribution and the friction factor of boundary layer flows with polymer additives starting from the concept of “stress deficit.” A novel method of order of magnitude analysis is developed, which converts the governing equations of boundary layer flow into a solvable ordinary differential equation, thus the total shear stress distribution is obtained, then the formulas for the mean velocity profiles and the friction factor for a boundary layer flow are derived after introducing appropriate expressions for the “effective viscosity” and the thickness of viscous sublayer. The derived velocity equation is able …
Measuring Preparedness To Teach With Ict, Patricia A. Forster, Vaille M. Dawson, Doug Reid
Measuring Preparedness To Teach With Ict, Patricia A. Forster, Vaille M. Dawson, Doug Reid
Faculty of Engineering and Information Sciences - Papers: Part A
In this paper we discuss the development and implementation of a questionnaire that measures preparedness to teach secondary school science with information and communication technologies (leT). The questionnaire was designed for the purpose of evaluating the effectiveness of instruction in a science education unit in a Graduate Diploma teacher education course. Rasch analysis of the pre- and post-unit responses indicated domains of expertise for which students perceived they had improved their knowledge during the unit, and domains for which they perceived they were less knowledgeable after the unit than before it. We discuss students' responses in relation to the unit, …
Bayesian Analysis For Penalized Spline Regression Using Winbugs, Ciprian Crainiceanu, David Ruppert, M. P. Wand
Bayesian Analysis For Penalized Spline Regression Using Winbugs, Ciprian Crainiceanu, David Ruppert, M. P. Wand
Faculty of Engineering and Information Sciences - Papers: Part A
Penalized splines can be viewed as BLUPs in a mixed model framework, which allows the use of mixed model software for smoothing. Thus, software originally developed for Bayesian analysis of mixed models can be used for penalized spline regression. Bayesian inference for nonparametric models enjoys the flexibility of nonparametric models and the exact inference provided by the Bayesian inferential machinery. This paper provides a simple, yet comprehensive, set of programs for the implementation of nonparametric Bayesian analysis in WinBUGS. Good mixing properties of the MCMC chains are obtained by using low-rank thin-plate splines, while simulation times per iteration are reduced …
A Multimedia Guidebook Implementation Using A Bluetooth Wireless Information Point Network, Matthew D'Souza, Adam Postula, Neil Bergmann, Montserrat Ros
A Multimedia Guidebook Implementation Using A Bluetooth Wireless Information Point Network, Matthew D'Souza, Adam Postula, Neil Bergmann, Montserrat Ros
Faculty of Engineering and Information Sciences - Papers: Part A
This paper describes the implementation of a Bluetooth Village Guide Book (VGB) scenario for use in the Kelvin Grove Urban Village located in Brisbane, Australia. An Information Point Station Network (IPSN) was developed, along with software for two types of mobile computing devices. The implementation consists of several Information Point Stations (IPSs) placed at locations of significance, with access to information items on a centralized server. Once a user is registered on the network, he/she is given the opportunity to experience context and eventually user aware information on demand and in various multimedia formats. These information items are selected by …
A Post-Compilation Register Re-Assignment Technique For Improving Hamming Distance Based Code Compression, Montserrat Ros, Peter Sutton
A Post-Compilation Register Re-Assignment Technique For Improving Hamming Distance Based Code Compression, Montserrat Ros, Peter Sutton
Faculty of Engineering and Information Sciences - Papers: Part A
Code compression is a field where compression ratios between compiler-generated code and subsequent compressed code are highly dependent on decisions made at compile time. Most optimizations employed by compilers tend to focus on parameters such as program performance, minimizing resource dependencies and sometimes the option of reducing code size. This paper describes a post-compilation technique for the greedy reassignment of general purpose scratch registers to improve Hamming distance based code compression. The code translation renumbers registers based on the frequency of registers used by isomorphic instructions and employs a Gray coding scheme to reduce Hamming distances between similar instructions. Register …
Mobile Locality-Aware Multimedia On Mobile Computing Devices, Matthew D'Souza, Adam Postula, Neil Bergmann, Montserrat Ros
Mobile Locality-Aware Multimedia On Mobile Computing Devices, Matthew D'Souza, Adam Postula, Neil Bergmann, Montserrat Ros
Faculty of Engineering and Information Sciences - Papers: Part A
This paper describes the implementation of a Bluetooth Village Guide Book (VGB) scenario for use in the Kelvin Grove Urban Village located in Brisbane, Australia. An Information Point Station Network (IPSN) was developed, along with software for two types of mobile computing devices. The implementation consists of several Information Point Stations (IPSs) placed at locations of significance, with access to information items on a centralized server. Once a user is registered on the network, he/she is given the opportunity to experience context- (and eventually user-) aware information on demand and in various multimedia formats. These information items are selected by …
Turbo Equalization Based On Factor Graphs, Qinghua Guo, Li Ping, Hans-Andrea Loeliger
Turbo Equalization Based On Factor Graphs, Qinghua Guo, Li Ping, Hans-Andrea Loeliger
Faculty of Engineering and Information Sciences - Papers: Part A
This paper presents a factor graph approach to turbo equalization. Unlike the existing linear MMSE turbo equalization methods, which operate with truncated windows (sliding or extending window), the proposed is a full-window approach with low complexity. This approach supports a high-speed parallel implementation technique, which makes it an attractive option in practice.
Design Of Monolimb Using Finite Element Modelling And Statistics-Based Taguchi Method, Winson Lee, Ming Zhang
Design Of Monolimb Using Finite Element Modelling And Statistics-Based Taguchi Method, Winson Lee, Ming Zhang
Faculty of Engineering and Information Sciences - Papers: Part A
Background. Monolimb is a transtibial prosthesis having the socket and shank molded into one piece of thermoplastic material. If properly designed, the shank of a monolimb can have a controlled deflection during walking which simulates the ankle joint motions to some extent. However, there is no clear guidance for the design of monolimb considering the dilemma between shank flexibility and structural integrity. Methods. Finite element analysis was used to simulate structural tests based on ISO10328 on monolimbs of different configurations. Statistics-based Taguchi method was employed to identify the significance of each design factor in controlling the deformation and stress within …
Regional Differences In Pain Threshold And Tolerance Of The Transtibial Residual Limb: Including The Effects Of Age And Interface Material, Winson Lee, Ming Zhang, Arthur F. Mak
Regional Differences In Pain Threshold And Tolerance Of The Transtibial Residual Limb: Including The Effects Of Age And Interface Material, Winson Lee, Ming Zhang, Arthur F. Mak
Faculty of Engineering and Information Sciences - Papers: Part A
OBJECTIVES: To compare the pain threshold (the minimum pressure inducing pain) and pain tolerance (the maximum tolerable pressure) of different regions of the residual limbs of amputees by the indentation method and to evaluate the interface pressure distribution and distortion of the skin surface on indentation by finite element (FE) analysis. DESIGN: Crossover trial. SETTING: Rehabilitation engineering center. PARTICIPANTS: Eight transtibial amputees for indentation test and 1 for FE analysis. INTERVENTIONS: The load applied to the residual limbs using a Pelite or polypropylene indenter attached to a force transducer was increased until subjects could no longer tolerate the load. An …