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Articles 31 - 60 of 294
Full-Text Articles in Social and Behavioral Sciences
Cjcheck Stage 1: Development And Testing Of A Checklist For Reporting Community Juries - Delphi Process And Analysis Of Studies Published In 1996-2015, Rae Thomas, Rebecca Sims, Christopher J. Degeling, Jackie M. Street, Stacy M. Carter, Lucie Rychetnik, Jenny Whitty, Andrew Wilson, Paul Ward, Paul Glasziou
Cjcheck Stage 1: Development And Testing Of A Checklist For Reporting Community Juries - Delphi Process And Analysis Of Studies Published In 1996-2015, Rae Thomas, Rebecca Sims, Christopher J. Degeling, Jackie M. Street, Stacy M. Carter, Lucie Rychetnik, Jenny Whitty, Andrew Wilson, Paul Ward, Paul Glasziou
Faculty of Social Sciences - Papers (Archive)
Background Opportunities for community members to actively participate in policy development are increasing. Community/citizen's juries (CJs) are a deliberative democratic process aimed to illicit informed community perspectives on difficult topics. But how comprehensive these processes are reported in peer‐reviewed literature is unknown. Adequate reporting of methodology enables others to judge process quality, compare outcomes, facilitate critical reflection and potentially repeat a process. We aimed to identify important elements for reporting CJs, to develop an initial checklist and to review published health and health policy CJs to examine reporting standards. Design Using the literature and expertise from CJ researchers and policy …
Parent-Focused Childhood And Adolescent Overweight And Obesity Ehealth Interventions: A Systematic Review And Meta-Analysis, Megan Hammersley, Rachel A. Jones, Anthony D. Okely
Parent-Focused Childhood And Adolescent Overweight And Obesity Ehealth Interventions: A Systematic Review And Meta-Analysis, Megan Hammersley, Rachel A. Jones, Anthony D. Okely
Faculty of Social Sciences - Papers (Archive)
Background: Effective broad-reach interventions to reduce childhood obesity are needed, but there is currently little consensus on the most effective approach. Parental involvement in interventions appears to be important. The use of eHealth modalities in interventions also seems to be promising. To our knowledge, there have been no previous reviews that have specifically investigated the effectiveness of parent-focused eHealth obesity interventions, a gap that this systematic review and meta-analysis intends to address. Objective: The objective of this study was to review the evidence for body mass index (BMI)/BMI z-score improvements in eHealth overweight and obesity randomized controlled trials for children …
Spatiotemporal Variations In Lung Cancer Mortality In China Between 2006 And 2012: A Multilevel Analysis, Yunning Liu, Thomas E. Astell-Burt, Jiangmei Liu, Peng Yin, Xiaoqi Feng, Jinling You, Andrew Page, Maigeng Zhou, Lijun Wang
Spatiotemporal Variations In Lung Cancer Mortality In China Between 2006 And 2012: A Multilevel Analysis, Yunning Liu, Thomas E. Astell-Burt, Jiangmei Liu, Peng Yin, Xiaoqi Feng, Jinling You, Andrew Page, Maigeng Zhou, Lijun Wang
Faculty of Social Sciences - Papers (Archive)
We investigated temporal trends and geographical variations in lung cancer mortality in China from 2006 to 2012. Lung cancer mortality counts for people aged over 40 years were extracted from the China Mortality Surveillance System for 161 disease surveillance points. Negative binomial regression was used to investigate potential spatiotemporal variation and correlations with age, gender, urbanization, and region. Lung cancer mortality increased in China over the study period from 78.77 to 85.63 (1/100,000), with higher mortality rates evident in men compared to women. Median rate ratios (MRRs) indicated important geographical variation in lung cancer mortality between provinces (MRR = 1.622) …
Objectively Measured Sedentary Behaviour And Health And Development In Children And Adolescents: Systematic Review And Meta-Analysis, Dylan P. Cliff, Kylie Hesketh, Stewart A. Vella, Trina Hinkley, Margarita D. Tsiros, Nicola D. Ridgers, Alison Carver, Jenny Veitch, Anne-Maree Parrish, Louise L. Hardy, Ronald Plotnikoff, Anthony D. Okely, Jo Salmon, David R. Lubans
Objectively Measured Sedentary Behaviour And Health And Development In Children And Adolescents: Systematic Review And Meta-Analysis, Dylan P. Cliff, Kylie Hesketh, Stewart A. Vella, Trina Hinkley, Margarita D. Tsiros, Nicola D. Ridgers, Alison Carver, Jenny Veitch, Anne-Maree Parrish, Louise L. Hardy, Ronald Plotnikoff, Anthony D. Okely, Jo Salmon, David R. Lubans
Faculty of Social Sciences - Papers (Archive)
Sedentary behaviour has emerged as a unique determinant of health in adults. Studies in children and adolescents have been less consistent. We reviewed the evidence to determine if the total volume and patterns (i.e. breaks and bouts) of objectively measured sedentary behaviour were associated with adverse health outcomes in young people, independent of moderate-intensity to vigorous-intensity physical activity. Four electronic databases (EMBASE MEDLINE, Ovid EMBASE, PubMed and Scopus) were searched (up to 12 November 2015) to retrieve studies among 2- to 18-year-olds, which used cross-sectional, longitudinal or experimental designs, and examined associations with health outcomes (adiposity, cardio-metabolic, fitness, respiratory, bone/musculoskeletal, …
Analysis Of Health Service Amenable And Non-Amenable Mortality Before And Since China's Expansion Of Health Coverage In 2009, Xiaoqi Feng, Yunning Liu, Thomas E. Astell-Burt, Peng Yin, Andrew Page, Shiwei Liu, Jiangmei Liu, Lijun Wang, Maigeng Zhou
Analysis Of Health Service Amenable And Non-Amenable Mortality Before And Since China's Expansion Of Health Coverage In 2009, Xiaoqi Feng, Yunning Liu, Thomas E. Astell-Burt, Peng Yin, Andrew Page, Shiwei Liu, Jiangmei Liu, Lijun Wang, Maigeng Zhou
Faculty of Social Sciences - Papers (Archive)
Objective To explore early impacts of China's health reforms in 2009 on mortality. Methods Annual mortality counts were obtained from 161 counties across all 31 provinces of mainland China between 2006 and 2012. We examined time-series of health service amenable mortality counts, including separate analyses for deaths from stroke and ischaemic heart diseases (IHD). Non-amenable mortality counts, including separate models for oesophageal and pancreatic cancers, were also analysed as part of a negative-outcome strategy to provide stronger foundations for falsification. Deaths due to amenable causes were hypothesised to decrease, whereas non-amenable causes of mortality would remain uninfluenced. All analyses were …
Governing Food Choices: A Critical Analysis Of School Food Pedagogies And Young People's Responses In Contemporary Times, Deana Leahy, Jan Wright
Governing Food Choices: A Critical Analysis Of School Food Pedagogies And Young People's Responses In Contemporary Times, Deana Leahy, Jan Wright
Faculty of Social Sciences - Papers (Archive)
Recently a proliferation and intensification of school programmes that are directed towards teaching children and young people about food has been witnessed. Whilst there is much to learn about food, anxieties concerning the obesity epidemic have dramatically shaped how schools address the topic. This article draws on governmentality to consider 'the conditions of possibility' for teaching about food in contemporary times. In particular the form that knowledge about food takes in the midst of an obesity epidemic, the authorities on which it draws for its legitimacy and the learnings made possible are considered. To do this two Australian studies investigating …
Planned Derailment For New Urban Futures? An Actant Network Analysis Of The "Great [Light] Rail Debate" In Newcastle, Australia, Kristian J. Ruming, Kathleen Mee, Pauline M. Mcguirk
Planned Derailment For New Urban Futures? An Actant Network Analysis Of The "Great [Light] Rail Debate" In Newcastle, Australia, Kristian J. Ruming, Kathleen Mee, Pauline M. Mcguirk
Faculty of Social Sciences - Papers (Archive)
With urban and economic restructuring, facilitating urban regeneration for rundown post- industrial cities has become a central urban planning policy objective in Western cities since the late twentieth century, leaving some centres in prolonged social and economic decline. This chapter explores one example of planning policies seeking to regenerate an urban centre. Our focus is Newcastle, approximately 160km (100 miles) north of Sydney, Australia. Newcastle has a long history as an industrial city, dominated by manufacturing and coal-mining in the surrounding Hunter Valley. The port of Newcastle remains the world's largest coal export port. In 1999, BHP closed the Newcastle …
Analysis Of Micro Flexible Rolling With Consideration Of Material Heterogeneity, Feijun Qu, Zhengyi Jiang, Haina Lu
Analysis Of Micro Flexible Rolling With Consideration Of Material Heterogeneity, Feijun Qu, Zhengyi Jiang, Haina Lu
Faculty of Engineering and Information Sciences - Papers: Part A
This paper establishes a finite element model to numerically study the springback in thickness direction during micro flexible rolling process, in which 3D Voronoi tessellation has been applied to describe grain boundary and generation process of grain in the workpiece. To reflect material heterogeneity, nine kinds of mechanical properties defined by nine types of heterogeneity coefficients are selected and assigned to Voronoi polyhedrons as per the statistical distribution of hardness of grains identified by micro hardness testing. Initial workpiece thicknesses of 100, 250 and 500 μm with reduction changing from 20% to 50% are respectively considered in the numerical simulation …
Analysis Of Laminated Crack Defect In The Upsetting Process Of Heavy Disk-Shaped Forgings, Minting Wang, Dongying Li, Fan Wang, Xinliang Zang, Xuetong Li, Hong Xiao, Fengshan Du, F C. Zhang, Zhengyi Jiang
Analysis Of Laminated Crack Defect In The Upsetting Process Of Heavy Disk-Shaped Forgings, Minting Wang, Dongying Li, Fan Wang, Xinliang Zang, Xuetong Li, Hong Xiao, Fengshan Du, F C. Zhang, Zhengyi Jiang
Faculty of Engineering and Information Sciences - Papers: Part A
Using nonlinear finite element method, a thermo-mechanical coupled simulation model for the formation mechanism of the laminated crack defect has been established in the upsetting of heavy disk-shaped forgings. Through numerical simulation, the distributions of stress, equivalent strain and strain rate were analysed. Meanwhile the distribution diagram of stress state evolution was obtained, and the uncoordinated deformation, under tri-lateral compression, is determined as the main reason leading to laminated crack defect. To reveal the characteristics of the uncoordinated deformation, the variations of each variable and its gradient in numerical simulation were presented, and a combined prediction model of laminated crack …
Nonlinear Dynamical Behavior Of Axially Accelerating Beams: Three-Dimensional Analysis, Mergen H. Ghayesh, Hamed Farokhi
Nonlinear Dynamical Behavior Of Axially Accelerating Beams: Three-Dimensional Analysis, Mergen H. Ghayesh, Hamed Farokhi
Faculty of Engineering and Information Sciences - Papers: Part A
The three-dimensional (3D) nonlinear dynamics of an axially accelerating beam is examined numerically taking into account all of the longitudinal, transverse, and lateral displacements and inertia. Hamilton's principle is employed in order to derive the nonlinear partial differential equations governing the longitudinal, transverse, and lateral motions. These equations are transformed into a set of nonlinear ordinary differential equations by means of the Galerkin discretization technique. The nonlinear global dynamics of the system is then examined by time-integrating the discretized equations of motion. The results are presented in the form of bifurcation diagrams of Poincare maps, time histories, phase-plane portraits, Poincare …
Compositional Data Analysis As A Robust Tool To Delineate Hydrochemical Facies Within And Between Gas-Bearing Aquifers, D D.R Owen, V Pawlowsky-Glahn, J J. Egozcue, A Buccianti, John M. Bradd
Compositional Data Analysis As A Robust Tool To Delineate Hydrochemical Facies Within And Between Gas-Bearing Aquifers, D D.R Owen, V Pawlowsky-Glahn, J J. Egozcue, A Buccianti, John M. Bradd
Faculty of Science, Medicine and Health - Papers: part A
Isometric log ratios of proportions of major ions, derived from intuitive sequential binary partitions, are used to characterize hydrochemical variability within and between coal seam gas (CSG) and surrounding aquifers in a number of sedimentary basins in the USA and Australia. These isometric log ratios are the coordinates corresponding to an orthonormal basis in the sample space (the simplex). The characteristic proportions of ions, as described by linear models of isometric log ratios, can be used for a mathematical-descriptive classification of water types. This is a more informative and robust method of describing water types than simply classifying a water …
Many People In Scotland Now Benefit From Anticipatory Care Before They Die: An After Death Analysis And Interviews With General Practitioners, Julia Tapsfield, Charlie Hall, Carey Lunan, Hazel Mccutcheon, Peter Mcloughlin, Joel J. Rhee, Alfonso Leiva, Juliet Spiller, Anne Finucane, Scott Murray
Many People In Scotland Now Benefit From Anticipatory Care Before They Die: An After Death Analysis And Interviews With General Practitioners, Julia Tapsfield, Charlie Hall, Carey Lunan, Hazel Mccutcheon, Peter Mcloughlin, Joel J. Rhee, Alfonso Leiva, Juliet Spiller, Anne Finucane, Scott Murray
Faculty of Science, Medicine and Health - Papers: part A
Background Key Information Summaries (KIS) were introduced throughout Scotland in 2013 so that anticipatory care plans written by general practitioners (GPs) could be routinely shared electronically and updated in real time, between GPs and providers of unscheduled and secondary care. Aims We aimed to describe the current reach of anticipatory and palliative care, and to explore GPs' views on using KIS. Methods We studied the primary care records of all patients who died in 2014 in 9 diverse Lothian practices. We identified if anticipatory or palliative care had been started, and if so how many weeks before death and which …
Can A Clinical Placement Influence Stigma? An Analysis Of Measures Of Social Distance, Lorna Moxham, Ellie K. Taylor, Christopher F. Patterson, Dana J. Perlman, Renee M. Brighton, Susan Liersch, Emily Keough, Tim Heffernan
Can A Clinical Placement Influence Stigma? An Analysis Of Measures Of Social Distance, Lorna Moxham, Ellie K. Taylor, Christopher F. Patterson, Dana J. Perlman, Renee M. Brighton, Susan Liersch, Emily Keough, Tim Heffernan
Faculty of Science, Medicine and Health - Papers: part A
Background The way people who experience mental illness are perceived by health care professionals, which often includes stigmatising attitudes, can have a significant impact on treatment outcomes and on their quality of life. Objective To determine whether stigma towards people with mental illness varied for undergraduate nursing students who attended a non-traditional clinical placement called Recovery Camp compared to students who attended a 'typical' mental health clinical placement. Design Quasi-experimental. Participants Seventy-nine third-year nursing students were surveyed; n = 40 attended Recovery Camp (intervention), n = 39 (comparison group) attended a 'typical' mental health clinical placement. Methods All students completed …
Sodium And Potassium Urinary Excretion And Dietary Intake: A Cross-Sectional Analysis In Adolescents, Carla Goncalves, Sandra Abreu, Patricia Padrao, Olivia Pinho, Pedro Graca, Joao Breda, Rute Santos, Pedro Moreira
Sodium And Potassium Urinary Excretion And Dietary Intake: A Cross-Sectional Analysis In Adolescents, Carla Goncalves, Sandra Abreu, Patricia Padrao, Olivia Pinho, Pedro Graca, Joao Breda, Rute Santos, Pedro Moreira
Faculty of Social Sciences - Papers (Archive)
Background: Hypertension is the leading cause for heart disease and stroke, for mortality and morbidity worldwide, and a high sodium-to-potassium intake ratio is considered a stronger risk factor for hypertension than sodium alone. Objective: This study aims to evaluate sodium and potassium urinary excretion, and assess the food sources of these nutrients in a sample of Portuguese adolescents. Design: A cross-sectional study with a sample of 250 Portuguese adolescents. Sodium and potassium excretion were measured by one 24-h urinary collection, and the coefficient of creatinine was used to validate completeness of urine collections. Dietary sources of sodium and potassium were …
Gender, Ethnicity And Sustainable Mobility: A Governmentality Analysis Of Migrant Chinese Women's Daily Trips In Sydney, Gordon R. Waitt, Sophie-May Kerr, Natascha Klocker
Gender, Ethnicity And Sustainable Mobility: A Governmentality Analysis Of Migrant Chinese Women's Daily Trips In Sydney, Gordon R. Waitt, Sophie-May Kerr, Natascha Klocker
Faculty of Social Sciences - Papers (Archive)
The automobile is acknowledged as an urgent environmental sustainability issue in cities where it remains pivotal to everyday life and society. We explore the potential of migrants - from societies where urban spaces and everyday life are not centred on the automobile - to elucidate pathways for reducing car dependence. This paper explores the sustainability implications of everyday mobility decisions in Sydney, Australia, through the mobility discourses of female migrants from China. Our governmentality analyses suggest a preference, among female Chinese migrants, to initially walk and cycle after arriving in Sydney. Many expressed a fear rather than a love of …
Analysis Of Bacterial Diversity In Two Oil Blocks From Two Low-Permeability Reservoirs With High Salinities, Meng Xiao, Shan Shan Sun, Zhong Zhi Zhang, Junming Wang, Long Wei Qiu, Hua Yang Sun, Zhaozheng Song, Beiyu Zhang, De Li Gao, Guangqing Zhang, Wei Min Wu
Analysis Of Bacterial Diversity In Two Oil Blocks From Two Low-Permeability Reservoirs With High Salinities, Meng Xiao, Shan Shan Sun, Zhong Zhi Zhang, Junming Wang, Long Wei Qiu, Hua Yang Sun, Zhaozheng Song, Beiyu Zhang, De Li Gao, Guangqing Zhang, Wei Min Wu
Faculty of Engineering and Information Sciences - Papers: Part A
The community diversities of two oil reservoirs with low permeability of 1.81 x 10 '3 and 2.29 x 10 '3 1/4m 2 in Changqing, China, were investigated using a high throughput sequencing technique to analyze the influence of biostimulation with a nutrient activator on the bacterial communities. These two blocks differed significantly in salinity (average 17,500 vs 40,900 mg/L). A core simulation test was used to evaluate the effectiveness of indigenous microbial-enhanced oil recovery (MEOR). The results indicated that in the two high salinity oil reservoirs, one reservoir having relatively lower salinity level and a narrow salinity range had higher …
Energy Analysis Of Net Zero Energy Buildings: A Case Study, Joel Anderson, Duane A. Robinson, Zhenjun Ma
Energy Analysis Of Net Zero Energy Buildings: A Case Study, Joel Anderson, Duane A. Robinson, Zhenjun Ma
Faculty of Engineering and Information Sciences - Papers: Part A
The building sector is a significant contributor to global energy usage and environmental emissions. Advanced building design, optimal selection and sizing of building components, and energy efficient operation are among the key ways of significantly reducing overall building energy demand. Achieving reduction in energy demand is a key directive of the net zero energy building concept. Building designs dedicated to meeting net zero energy building requirements are becoming more commonplace as a path towards reducing the overall emissions from the built environment. This work analyses the energy demand of a net zero energy office building and compares it with a …
Comparison Of Resting Energy Expenditure Between Cancer Subjects And Healthy Controls: A Meta-Analysis, Thi Yen Vi Nguyen, Marijka Batterham, Cheree Edwards
Comparison Of Resting Energy Expenditure Between Cancer Subjects And Healthy Controls: A Meta-Analysis, Thi Yen Vi Nguyen, Marijka Batterham, Cheree Edwards
Faculty of Engineering and Information Sciences - Papers: Part A
There is conflicting evidence surrounding the extent of changes in resting energy expenditure (REE) in cancer. This meta-analysis aimed to establish the mean difference in REE, as kilojoules per kilogram fat-free mass, among cancer patients when compared to healthy control subjects. The secondary aim was to determine differences among different cancer types. PubMed, Cochrane Library, Medline, Science Direct, Scopus, Web of Science, Wiley Online Library, and ProQuest Central were searched from the earliest records until March 2014. Studies were included if measured REE was reported as kilojoules or kilocalories per kilogram fat-free mass (FFM) in adult subjects with cancer. Twenty-seven …
Cloud Computing Adoption Determinants: An Analysis Of Australian Smes, Salim Al Isma'ili, Mengxiang Li, Jun Shen, Qiang He
Cloud Computing Adoption Determinants: An Analysis Of Australian Smes, Salim Al Isma'ili, Mengxiang Li, Jun Shen, Qiang He
Faculty of Engineering and Information Sciences - Papers: Part A
In Australia, there is an emerging tendency among SMEs towards the adoption of cloud computing. However, there are limited studies investigating the factors that influence cloud computing adoption within Australian SMEs. To fill the research vacuum, we developed a research model based on the diffusion of innovation theory (DOI), the technology-organisation-environment (TOE) framework, and our prior exploratory study to investigate the determinants that influence the adoption of cloud computing. An organizational-level survey was conducted across Australia to collect data from technology decision makers in SMEs. Data collected from 203 firms are used to test the related hypotheses. This study contributes …
Developing An Optimum Maintenance Policy By Life Cycle Cost Analysis - A Case Study, Khaled O. El-Akruti, Tieling Zhang, Richard Dwight
Developing An Optimum Maintenance Policy By Life Cycle Cost Analysis - A Case Study, Khaled O. El-Akruti, Tieling Zhang, Richard Dwight
Faculty of Engineering and Information Sciences - Papers: Part A
This paper focuses on developing maintenance policies for critical assets to improve the production performance based on life cycle cost (LCC) analysis. A general approach is adopted for conducting the LCC analysis. The investigation is based on a case study to demonstrate how an optimum maintenance policy is determined. The relevant LCC structure in the case study is defined for the decision process which involves determination of the optimum life, repair limit and selection of materials, and trade-off between repair and replacement. The LCC analysis is based on statistical data modelling which facilitates decision-making on the optimal replacement of an …
Performance Analysis Of A Magnetorheological Damper With Energy Harvesting Ability, Guoliang Hu, Yun Lu, Shuaishuai Sun, Weihua Li
Performance Analysis Of A Magnetorheological Damper With Energy Harvesting Ability, Guoliang Hu, Yun Lu, Shuaishuai Sun, Weihua Li
Faculty of Engineering and Information Sciences - Papers: Part A
A magnetorheological (MR) damper with energy harvesting ability was proposed based on electromagnetic induction (EMI) principle. The energy harvesting part was composed of a permanent magnet array and inducing coils which move vertically. This device could act as a linear power generator when the external excitation was applied, and the kinetic energy could be converted into electrical energy due to the relative linear motion between the magnets array and the inducing coils. Finite element models of both the MR damper part and the linear power generator part were built up separately to address the magnetic flux distributions, the magnetic flux …
Flexible Analysis Of Digital Pcr Experiments Using Generalized Linear Mixed Models, Matthijs Vynck, J Vandesompele, Nele Nijs, Björn Menten, Ariane De Ganck, Olivier Thas
Flexible Analysis Of Digital Pcr Experiments Using Generalized Linear Mixed Models, Matthijs Vynck, J Vandesompele, Nele Nijs, Björn Menten, Ariane De Ganck, Olivier Thas
Faculty of Engineering and Information Sciences - Papers: Part A
The use of digital PCR for quantification of nucleic acids is rapidly growing. A major drawback remains the lack of flexible data analysis tools. Published analysis approaches are either tailored to specific problem settings or fail to take into account sources of variability. We propose the generalized linear mixed models framework as a flexible tool for analyzing a wide range of experiments. We also introduce a method for estimating reference gene stability to improve accuracy and precision of copy number and relative expression estimates. We demonstrate the usefulness of the methodology on a complex experimental setup.
A Traffic Monitoring System For A Mixed Traffic Flow Via Road Estimation And Analysis, Nguyen Viet Hung, Le Chung Tran, Nguyen Hoang Dung, Thang Manh Hoang, Nguyen Tien Dzung
A Traffic Monitoring System For A Mixed Traffic Flow Via Road Estimation And Analysis, Nguyen Viet Hung, Le Chung Tran, Nguyen Hoang Dung, Thang Manh Hoang, Nguyen Tien Dzung
Faculty of Engineering and Information Sciences - Papers: Part A
A Traffic Monitoring System (TMS) is the most important element in the Intelligent Transportation Systems (ITS), especially in a developing country like Vietnam with a mixed traffic flow of vehicles including motocycles and cars. A traffic flow varies in different daytime, therefore the adoption of the TMS for an adaptive control of the traffic light timing is very essential. The proposed TMS system uses one CCD camera mounted to view from the rear of moving vehicles appearing in a distance from a viewed span of the camera to the stopline of the cross-roads, which is denoted by L and statistically …
Comprehensive Performance Analysis Of Fully Cooperative Communication In Wbans, Le Chung Tran, Alfred Mertins, Xiaojing Huang, Farzad Safaei
Comprehensive Performance Analysis Of Fully Cooperative Communication In Wbans, Le Chung Tran, Alfred Mertins, Xiaojing Huang, Farzad Safaei
Faculty of Engineering and Information Sciences - Papers: Part A
While relay-based cooperative networks (widely known in the literature as cooperative communication), where relays only forward signals from the sources to the destination, have been extensively researched, fully cooperative systems have not been thoroughly examined. Unlike relay networks, in a fully cooperative network, each node acts as both a source node sending its own data and a relay forwarding its partner's data to the destination. Mutual cooperation between neighboring nodes is believed to improve the overall system error performance, especially when space-time codes are incorporated. However, a comprehensive performance analysis of space-time-coded fully cooperative communication from all three perspectives, namel,y …
Finite Element Method Analysis Of Surface Roughness Transfer In Micro Flexible Rolling, Feijun Qu, Haibo Xie, Zhengyi Jiang
Finite Element Method Analysis Of Surface Roughness Transfer In Micro Flexible Rolling, Feijun Qu, Haibo Xie, Zhengyi Jiang
Faculty of Engineering and Information Sciences - Papers: Part A
Micro flexible rolling aims to fabricate submillimeter thick strips with varying thickness profile, where the surface quality of products is mainly determined by initial workpiece surface roughness and subsequent surface asperity flattening process, which is affected by process parameters during rolling. This paper shows a 3D finite element model for flexible rolling of a 250 μm thick workpiece with reduction of 20 to 50%, and rolling phase with thinner thickness indicates a better ability to decrease the surface roughness. Four types of initial workpiece surface roughness are studied in the simulation, and the influences of process parameters, such as friction …
Lubrication Characterisation Analysis Of Stainless Steel Foil During Micro Rolling, Haibo Xie, Kenichi Manabe, Tsuyoshi Furushima, Kazuo Tada, Zhengyi Jiang
Lubrication Characterisation Analysis Of Stainless Steel Foil During Micro Rolling, Haibo Xie, Kenichi Manabe, Tsuyoshi Furushima, Kazuo Tada, Zhengyi Jiang
Faculty of Engineering and Information Sciences - Papers: Part A
Physical parameters, such as microscopic and roughness, play important roles in microforming process due to an increasing ratio of surface to volume of the deformed material. The study on lubrication characterisation in microforming is getting more attractive to researchers because traditional models are not reliable in this scaled down process. In this study, the micro rolling deformation characterisation has been investigated on SUS 304 stainless steel considering lubricant effect and feature size effect. The foil thickness plays an important role in the tribological features of micro rolling. The evolutions of both oil film thickness and foil surface are analysed accordingly. …
A Rapid And Reliable Technique For N-Nitrosodimethylamine Analysis In Reclaimed Water By Hplc-Photochemical Reaction-Chemiluminescence, Takahiro Fujioka, Haruka Takeuchi, Hiroaki Tanaka, Long D. Nghiem, Kenneth P. Ishida, Hitoshi Kodamatani
A Rapid And Reliable Technique For N-Nitrosodimethylamine Analysis In Reclaimed Water By Hplc-Photochemical Reaction-Chemiluminescence, Takahiro Fujioka, Haruka Takeuchi, Hiroaki Tanaka, Long D. Nghiem, Kenneth P. Ishida, Hitoshi Kodamatani
Faculty of Engineering and Information Sciences - Papers: Part A
A fast and reliable analytical technique was evaluated and validated for determination of N-nitrosodimethylamine (NDMA) formation and rejection by reverse osmosis (RO) membranes in potable water reuse applications. The analytical instrument used in this study is high-performance liquid chromatography (HPLC), photochemical reaction (PR) and chemiluminescence (CL) e namely HPLC-PR-CL. Results reported here show that HPLC-PR-CL can be used to measure NDMA with a similar level of accuracy compared to conventional and more time-consuming techniques using gas chromatography and tandem mass spectrometry detection in combination with solid phase extraction. Among key residual chemicals (i.e. monochloramine, hydrogen peroxide and hypochlorite) in reclaimed …
A Sensor Fault Detection Strategy For Air Handling Units Using Cluster Analysis, Rui Yan, Zhenjun Ma, Georgios Kokogiannakis, Yang Zhao
A Sensor Fault Detection Strategy For Air Handling Units Using Cluster Analysis, Rui Yan, Zhenjun Ma, Georgios Kokogiannakis, Yang Zhao
Faculty of Engineering and Information Sciences - Papers: Part A
Sensors are an essential component in the control systems of air handling units (AHUs). A biased sensor reading could result in inappropriate control and thereby increased energy consumption or unsatisfied indoor thermal comfort. This paper presents an unsupervised learning based strategy using cluster analysis for AHU sensor fault detection. The historical data recorded from sensors is first pre-processed to reduce the dimensions using principal component analysis (PCA). The clustering algorithmOrdering Points to Identify the Clustering Structure (OPTICS) is then employed to identify the spatial separated data groups (i.e. clusters),which possibly indicate the occurrence of sensor faults. The data points in …
Cloud Computing Adoption Decision Modelling For Smes: A Conjoint Analysis, Salim Al Isma'ili, Mengxiang Li, Jun Shen, Qiang He
Cloud Computing Adoption Decision Modelling For Smes: A Conjoint Analysis, Salim Al Isma'ili, Mengxiang Li, Jun Shen, Qiang He
Faculty of Engineering and Information Sciences - Papers: Part A
Cloud computing is an emerging technology that promises competitive advantages, cost savings, enhanced business processes and services, and various other benefits to enterprises. Despite the rapid technological advancement, the adoption of cloud computing is still growing slowly among small and mediumsized enterprises (SMEs). This paper presents a model to support the decisionmaking process, using a multi-criteria decision method PAPRIKA for the socio-technical aspects influencing SMEs cloud adoption decision. Due to the multifaceted nature of the cloud computing adoption process, the evaluation of various cloud services and deployment models have become a major challenge. This paper presents a systematic approach to …
Vulnerability Analysis Of Hydrological Infrastructure To Flooding In Coastal Cities - A Graph Theory Approach, Robert Ighodaro Ogie, Tomas Holderness, Sarah Dunn, Etienne Turpin
Vulnerability Analysis Of Hydrological Infrastructure To Flooding In Coastal Cities - A Graph Theory Approach, Robert Ighodaro Ogie, Tomas Holderness, Sarah Dunn, Etienne Turpin
Faculty of Engineering and Information Sciences - Papers: Part A
Hydrological infrastructure such as pumps and floodgates are invaluable assets for mitigating flooding in coastal cities. These infrastructure components are often vulnerable to damage or failure due to the impact of flood waters, thus exacerbating the flood hazards and causing significant loss of life and destruction to property worth billions of dollars. Hence, there is a growing need worldwide to enhance the understanding of flood vulnerability and to develop key metrics for assessing it. This study proposes an approach for measuring the vulnerability of hydrological infrastructure to flood damage in coastal cities. In this approach, a hydrological infrastructure flood vulnerability …