Digital Commons Network^™

Assessing The Effects Of Mobility On Air Quality: The Liverpool Smart Pedestrian Project, Nicolas R. Verstaevel, Johan Barthelemy, Hugh I. Forehead, Bilal Arshad, Pascal Perez

SMART Infrastructure Facility - Papers

With the drastic increase of their urban population, cities face huge challenges to maintain and update their infrastructures. Assessing in real time the effect of urban policies will be a key tool in the future of urban planning. In this paper, we discuss of mobility and its impact on air quality. We introduce a pilot project in which low cost IoT sensors are used to monitor flow of cars and pedestrians and concentration of particulate matters within the Australian city of Liverpool.

Effects Of Nano-Clay Content, Foaming Temperature And Foaming Time On Density And Cell Size Of Pvc Matrix Foam By Presented Least Absolute Shrinkage And Selection Operator Statistical Regression Via Suitable Experiments As A Function Of Mmt Content, Zhixiong Li, Hamzeh Shahrajabian, Seyed Amin Bagherzadeh, Hamid Jadidi, Arash Karimipour, Iskander Tlili

Faculty of Engineering and Information Sciences - Papers: Part B

Present article aims to investigate the effect of nano-clay content, foaming temperature and foaming time on the density and cell size of the PVC matrix foam. The cell size would affect the insulating and mechanical properties. The foaming temperature is set in three levels of 70, 80 and 90 °C, foaming time is set in three levels of 10, 20, and 30 s; and nano-clay is in content of 1, 3, and 5 wt%. Outputs consist the density and cell size, which affect impact the thermal conductivity, mechanical properties and the weight of the polymer foam. In addition the Least …

Effects Of Different Types Of Classroom Physical Activity Breaks On Children’S On-Task Behaviour, Academic Achievement And Cognition, Myrto F. Mavilidi, Ryan Drew, Philip J. Morgan, David R. Lubans, Mirko Schmidt, Nick Riley

Faculty of Arts, Social Sciences and Humanities - Papers

Aim

This study examined the effects of different types of classroom physical activity breaks on children’s on-task behaviour, academic achievement and cognition.

Methods

Participants were 87 Australian primary school students (mean age 9.11 ± 0.62 years), recruited from one school. Three classes were randomly assigned either to activity breaks only (n = 29), activity breaks and mathematics combined (n = 29), or control conditions involving only mathematical content (n = 29). Students were engaged in five minutes of classroom physical activity breaks, three times per week, for four weeks (divided into two minutes at the beginning of the usual mathematics …

Nonlinear Analysis Of Square Concrete-Filled Double Steel Tubular Slender Columns Incorporating Preload Effects, Mizan Ahmed, Qing Quan Liang, Vipulkumar I. Patel, Muhammad N. S Hadi

Faculty of Engineering and Information Sciences - Papers: Part B

Thin-walled square and circular hollow steel tubes are designed to support the permanent and construction loads of several upper composite floors before filling the concrete into the tubes to form concrete-filled double steel tubular (CFDST) columns. The influences of preloads acting on the steel tubes on the structural responses of slender square CFDST columns have not been investigated either experimentally or numerically. This paper presents a fiber-based computational model for the determination of the interaction behavior of local and global buckling in axially and eccentrically loaded CFDST thin-walled square slender columns including preload effects. The computational modeling method accounts for …

Happy Hookers: Findings From An International Study Exploring The Effects Of Crochet On Wellbeing, Pippa Burns, Rosemary A. Van Der Meer

Faculty of Science, Medicine and Health - Papers: Part B

No abstract provided.

Dual Effects Of Tisio4composite Nanoparticles On Dispersionstability And Lubrication Performance Of Vegetable Oil‐In‐Water Emulsions, Reza Taheri, Buyung Kosasih, Hongtao Zhu, Anh Kiet Tieu

Faculty of Engineering and Information Sciences - Papers: Part B

Vegetable oil-in-water emulsions are potential metal-working lubricants. These emulsions are susceptible to oil-water phase separation due to the oil droplets' coalescence. In this study, we enhance the dispersion stability and lubricity of such emulsions with TiSiO4 nanoparticles (NPs). With 1 vol% soybean oil, stable emulsions are obtained with 0.25 to 0.75 wt% NPs, attributed to formation of shielding layers of NPs around the droplets. Lowest friction and wear are obtained without and with 0.25 wt% NPs, respectively. With increasing the NPs' mass fraction, NP-shielded droplets become less attracted to metal surfaces. Association of NPs within boundary film is also found …

Performance Evaluation Of Non-Gps Based Localization Techniques Under Shadowing Effects, Ngoc M. Nguyen, Le Chung Tran, Farzad Safaei, Son Lam Phung, Peter James Vial, Nam N. Huynh, Anne N. Cox, Theresa Harada, Johan Barthelemy

Faculty of Engineering and Information Sciences - Papers: Part B

Non-GPS localization has gained much interest from researchers and industries recently because GPS might fail to meet the accuracy requirements in shadowing environments. The two most common range-based non-GPS localization methods, namely Received Signal Strength Indicator (RSSI) and Angle-of-Arrival (AOA), have been intensively mentioned in the literature over the last decade. However, an in-depth analysis of the weighted combination methods of AOA and RSSI in shadowing environments is still missing in the state-of-the-art. This paper proposes several weighted combinations of the two RSSI and AOA components in the form of pAOA + qRSSI, devises the mathematical model for analyzing shadowing …

How Much Does Weather Matter? Effects Of Rain And Wind On Pm Accumulation By Four Species Of Australian Native Trees, Robert Popek, Alison M. Haynes, Arkadiusz Przybysz, Sharon A. Robinson

Faculty of Science, Medicine and Health - Papers: Part B

As interest in improving urban air quality grows, phytoremediation-amelioration through plants-is an increasingly popular method of targeting particulate matter (PM), one of the most harmful pollutants. Decades of research has proven that plants effectively capture PM from air; however, more information is needed on the dynamics of PM accumulation. Our study evaluated the effects of meteorological conditions on the dynamics of PM deposition, wash off and resuspension using four Australian tree species growing under natural conditions near a busy highway. Accumulation of PM on foliage was analyzed over the short term (daily changes) and over a longer time period (weekly …

Environmental Effects And Interactions Of Stratospheric Ozone Depletion, Uv Radiation, And Climate Change. 2018 Assessment Report, Paul W. Barnes, Craig E. Williamson, Robyn M. Lucas, Sasha Madronich, Sharon A. Robinson, Nigel D. Paul, Janet F. Bornman, Alkiviadis F. Bais, Barbara Sulzberger, Stephen R. Wilson, Anthony L. Andrady, Patrick Neale, Amy T. Austin, Germar H. Bernhard, Richard L. Mckenzie, Keith R. Solomon, Rachel E. Neale, Paul J. Young, Mary Norval, L E. Rhodes, Samuel Hylander, Kevin C. Rose, Janice Longstreth, Pieter J. Aucamp, Carlos L. Ballare, Rose M. Cory, Stephan D. Flint, Frank R. De Gruijl, Donat -P Hader, Anu Heikkila, Marcel A.K Jansene, Krishna K. Pandey, T Matthew Robson, C A. Sinclair, Robert Worrest, S Yazar, Antony R. Young, Richard G. Zepp

Faculty of Science, Medicine and Health - Papers: Part B

Executive Summary: Thirty-four years ago, an unprecedented thinning of stratospheric ozone was reported over Antarctica.The risk of a consequent increase in exposure to solar UV-B radiation (UV-B; wavelengths 280-315 nm) raised concerns about potentially disastrous effects on human health and the Earth's environment. In response, the international community mobilised and worked together to understand the causes and find a solution to this dramatic change in the Earth's atmosphere. In 1985, the Vienna Convention for the Protection of the Ozone Layer was signed, which provided the framework for the Montreal Protocol on Substances that Deplete the Ozone Layer, signed in 1987. …

The Interactive Effects Of Stratospheric Ozone Depletion, Uv Radiation, And Climate Change On Aquatic Ecosystems, Craig E. Williamson, Patrick Neale, Samuel Hylander, Kevin C. Rose, Felix L. Figueroa, Sharon A. Robinson, Donat -P Hader, Sten-Ake Wangberg, Robert Worrest

Faculty of Science, Medicine and Health - Papers: Part B

This assessment summarises the current state of knowledge on the interactive effects of ozone depletion and climate change on aquatic ecosystems, focusing on how these affect exposures to UV radiation in both inland and oceanic waters. The ways in which stratospheric ozone depletion is directly altering climate in the southern hemisphere and the consequent extensive effects on aquatic ecosystems are also addressed. The primary objective is to synthesise novel findings over the past four years in the context of the existing understanding of ecosystem response to UV radiation and the interactive effects of climate change. If it were not for …

A Theoretical Model For Total Suction Effects By Tree Roots, Udeshini Pathirage, Buddhima Indraratna, Muditha Pallewattha, Ana Heitor

Faculty of Engineering and Information Sciences - Papers: Part B

Strengthening soft and weak soil by way of root reinforcement is a well-known strategy that is adopted worldwide. In Australia, native gum trees remain evergreen throughout the year and have been utilised to stabilise transportation corridors by way of reinforcement provided by the roots and the suction generated within the root domain as a function of evapotranspiration through the canopy. A mature gum tree can induce a missive total suction pressure exceeding 30MPa through its root water and solute uptake in terms of matric plus osmotic suction. This cumulative effect of matric and osmotic suctions contributes to the overall shear …

Therapeutic Effects Of Prolonged Cannabidiol Treatment On Psychological Symptoms And Cognitive Function In Regular Cannabis Users: A Pragmatic Open-Label Clinical Trial, Nadia Solowij, Samantha J. Broyd, Camilla Beale, Julie-Anne Prick, Lisa-Marie Greenwood, Hendrika H. Van Hell, Chao Suo, Peter Galettis, Nagesh B. Pai, Shanlin Fu, Rodney J. Croft, Jennifer H. Martin, Murat Yucel

Faculty of Social Sciences - Papers (Archive)

Chronic cannabis use has been associated with impaired cognition and elevated psychological symptoms, particularly psychotic-like experiences.

Prolonged Cannabidiol Treatment Effects On Hippocampal Subfield Volumes In Current Cannabis Users, Camilla Beale, Samantha J. Broyd, Yann Chye, Mark M. Schira, Peter Galettis, Jennifer H. Martin, Murat Yucel, Nadia Solowij

Faculty of Social Sciences - Papers (Archive)

No abstract provided.

Heterogeneous Effects Of High School Peers On Educational Outcomes, Silvia Mendolia, Alfredo R. Paloyo, Ian Walker

Faculty of Business - Papers (Archive)

We investigate peer ability effects on high-stakes test scores at ages 16 and 18, and on the probability of university attendance. To account for endogeneity in peer ability, we use the average ability of the primary school peers of one's secondary school peers, excluding those from the same primary school of the individual, as an instrumental variable for average secondary school peer ability. Our results show that average peer quality has a small effect on an individual's test scores, and a larger proportion of low-quality peers has a significantly detrimental effect on achievements of an average student. Furthermore, peer ability …

The Effects And Impact Of Second-Hand Cannabis Smoke Exposure On Nurses Working In The Community, Miguel Iglesias, Joy Pertile, Luke J. Molloy, Alex Chan

Faculty of Science, Medicine and Health - Papers: Part B

This article explores the work, health and safety risks that may be associated with the exposure of nurses to second-hand cannabis smoke while working in the community. Emerging evidence suggests the benefits of cannabis in the treatment of several chronic and terminal illnesses. This has led to some countries, like Australia, decriminalising or legalising the use of cannabis for medicinal purposes. Smoked cannabis is one of several routes of administration. However, cannabis smoke may have an impact on those in close proximity to the consuming patient. As a result, community healthcare workers, including nurses, may passively inhale cannabis substances while …

Structure-Property Relationships Of Organic Electrolytes And Their Effects On Li/S Battery Performance, Mohammad Kaiser, Shulei Chou, Hua-Kun Liu, Shi Xue Dou, Chunsheng Wang, Jiazhao Wang

Australian Institute for Innovative Materials - Papers

Electrolytes, which are a key component in electrochemical devices, transport ions between the sulfur/carbon composite cathode and the lithium anode in lithium-sulfur batteries (LSBs). The performance of a LSB mostly depends on the electrolyte due to the dissolution of polysulfides into the electrolyte, along with the formation of a solid-electrolyte interphase. The selection of the electrolyte and its functionality during charging and discharging is intricate and involves multiple reactions and processes. The selection of the proper electrolyte, including solvents and salts, for LSBs strongly depends on its physical and chemical properties, which is heavily controlled by its molecular structure. In …

Examining The Effects Of Transport Policy On Modal Shift From Private Car To Public Bus, Ahm Mehbub Anwar, Jie Yang

SMART Infrastructure Facility - Papers

Private vehicles have become the most common mode of daily travel. This is one effect of the poor accessibility of public transportation. This paper attempts to use a study based on a survey of commuters in order to devise ways of encouraging the use of public transportation. Two different public transport policies were examined: (i) once-an-hour direct bus service from home to university (policy 1), and (ii) park-and-ride facilities (policy 2). Binary logistics models are proposed with the intention of comparing the utility of travel modes between private cars and public buses. These models are also used to identify the …

Effects Of Oil-In-Water Based Nanolubricant Containing Tio2 Nanoparticles In Hot Rolling Of 304 Stainless Steel, Wenzhen Xia, Jingwei Zhao, Hui Wu, Xianming Zhao, Xiaoming Zhang, Jianzhong Xu, Sihai Jiao, Zhengyi Jiang

Faculty of Engineering and Information Sciences - Papers: Part B

Energy saving and improvement of product quality are of crucial importance in hot rolling of 304 stainless steel. In this paper, oil-in-water (O/W) based nanolubricants containing TiO₂ nanoparticles were developed to reduce the rolling force and improve the surface quality of rolled 304 stainless steel product. Practical hot rolling tests with and without application of lubricant were conducted to systematically investigate the effects of the developed O/W based nanolubricants on the rolling force, surface roughness, oxide scale thickness and tribological behaviour. The obtained results indicate that the nanoparticles can enter the deform zone with oil droplets to take a …

The Effects Of D-Aspartic Acid Supplementation In Resistance-Trained Men Over A Three Month Training Period: A Randomised Controlled Trial, Geoffrey W. Melville, Jason Siegler, Paul W. Marshall

Faculty of Science, Medicine and Health - Papers: Part B

Context

Research on d-aspartic acid (DAA) has demonstrated increases in total testosterone levels in untrained men, however research in resistance-trained men demonstrated no changes, and reductions in testosterone levels. The long-term consequences of DAA in a resistance trained population are currently unknown.

Objective

To evaluate the effectiveness of DAA to alter basal testosterone levels over 3 months of resistance training in resistance-trained men.

Design

Randomised, double-blind, placebo controlled trial in healthy resistance-trained men, aged 18–36, had been performing regular resistance training exercise for at least 3 d.w^-1 for the previous 2 years. Randomised participants were 22 men (d-aspartic acid …

Evidence Of Intoxication In Australian Criminal Courts: A Complex Variable With Multiple Effects, Luke J. Mcnamara, Julia Quilter, Kate Seear, Robin Room

Faculty of Law, Humanities and the Arts - Papers (Archive)

This article reports on the second stage of a national study of how the effects of alcohol and other drugs are treated by criminal laws and the criminal justice system. Based on a mixed methods analysis of more than 300 appellate court decisions from all Australian jurisdictions handed down in the period 2010-2014, we identify the multiple points at which legal significance is attached to evidence that the accused, the victim or a witness was 'intoxicated' at the time of the alleged commission of a criminal offence. Focusing on the rules and principles endorsed by appellate courts in relation to …

Heterogeneous Effects Of High School Peers On Educational Outcomes, Silvia Mendolia, Alfredo R. Paloyo, Ian Walker

Faculty of Business - Papers (Archive)

We investigate the relationship between peers' abilities and educational outcomes at the end of high school using data from the rich Longitudinal Study of Young People in England (LSYPE) matched to the National Pupil Database of children in state schools in England. In particular, we focus on the effect of peers' abilities, measured through achievements in Key Stage 3 (Age 14), on high powered test scores at Ages 16 and 18, and on the probability of attending university. Our identification strategy is based on a measure of the peers of peers' ability. In particular, for each individual, we look at …

Beneficial Effects Of Increased Lysozyme Levels In Alzheimer's Disease Modelled In Drosophila Melanogaster, Linnea Sandin, Liza Bergkvist, Sangeeta Nath, Claudia Kielkopf, Camilla Janefjord, Linda Helmfors, Henrik Zetterberg, Kaj Blennow, Hongyun Li, Camilla Nilsberth, Brett Garner, Ann-Christin Brorsson, Katarina Kagedal

Illawarra Health and Medical Research Institute

Genetic polymorphisms of immune genes that associate with higher risk to develop Alzheimer's disease (AD) have led to an increased research interest on the involvement of the immune system in AD pathogenesis. A link between amyloid pathology and immune gene expression was suggested in a genome-wide gene expression study of transgenic amyloid mouse models. In this study, the gene expression of lysozyme, a major player in the innate immune system, was found to be increased in a comparable pattern as the amyloid pathology developed in transgenic mouse models of AD. A similar pattern was seen at protein levels of lysozyme …

The (Possibly Negative) Effects Of Physical Activity On Executive Functions: Implications Of The Changing Metabolic Costs Of Brain Development, Steven J. Howard, Caylee J. Cook, Rihlat Said-Mohamed, Shane A. Norris, Catherine E. Draper

Faculty of Social Sciences - Papers (Archive)

Background: An area of growth in physical activity research has involved investigating effects of physical activity on children's executive functions. Many of these efforts seek to increase the energy expenditure of young children as a healthy and low-cost way to affect physical, health, and cognitive outcomes. Methods: We review theory and research from neuroscience and evolutionary biology, which suggest that interventions seeking to increase the energy expenditure of young children must also consider the energetic trade-offs that occur to accommodate changing metabolic costs of brain development. Results: According to Life History Theory, and supported by recent evidence, the high relative …

"Get-Up" Study Rationale And Protocol: A Cluster Randomised Controlled Trial To Evaluate The Effects Of Reduced Sitting On Toddlers' Cognitive Development, Rute Santos, Dylan P. Cliff, Steven J. Howard, Sanne Veldman, Ian M. R Wright, Eduarda Sousa-Sa, Joao R. Pereira, Anthony D. Okely

Faculty of Social Sciences - Papers (Archive)

Background The educational and cognitive differences associated with low socioeconomic status begin early in life and tend to persist throughout life. Coupled with the finding that levels of sedentary time are negatively associated with cognitive development, and time spent active tends to be lower in disadvantaged circumstances, this highlights the need for interventions that reduce the amount of time children spend sitting and sedentary during childcare. The proposed study aims to assess the effects of reducing sitting time during Early Childhood Education and Care (ECEC) services on cognitive development in toddlers from low socio-economic families. Methods/Design We will implement a …

Effects Of Salinity Build-Up On The Performance Of An Anaerobic Membrane Bioreactor Regarding Basic Water Quality Parameters And Removal Of Trace Organic Contaminants, Xiaoye Song, James A. Mcdonald, William E. Price, Stuart J. Khan, Faisal I. Hai, Hao H. Ngo, Wenshan Guo, Long D. Nghiem

Faculty of Engineering and Information Sciences - Papers: Part A

The effects of elevated inorganic salt concentration on anaerobic membrane bioreactor (AnMBR) treatment regarding basic biological performance and trace organic contaminant (TrOC) removal were investigated. A set of 33 TrOCs were selected to represent pharmaceuticals, steroids, and pesticides in municipal wastewater. Results show potential adverse effects of increase in the bioreactor salinity to 15 g/L (as NaCl) on the performance of AnMBR with respect to chemical oxygen demand removal, biogas production, and the removal of most hydrophilic TrOCs. Furthermore, a decrease in biomass production was observed as salinity in the bioreactor increased. The removal of most hydrophobic TrOCs was high …

Injection Effects On Sediment Transport In Closed-Conduit Flows, Deping Cao, Yee Meng Chiew, Shu-Qing Yang

Faculty of Engineering and Information Sciences - Papers: Part A

Experiments were conducted to investigate injection effects on sediment transport in closed-conduit flows. The results show that the sediment transport rate essentially remains unchanged when the ratio of the injection velocity and that at boiling, Vi/Vcr < 10. However, significant sediment transport rate is observed when Vi/Vcr increases beyond this limit. In the literature, three semi-empirical models have been developed to relate seepage effects on the sediment transport rate. The experimentally measured data in the pre- and post-boiling condition (Liu and Chiew 2014, and the present study, respectively) are compared with these models. The results show that the models of Francalanci et al. (2008) and Nielsen et al. (2001) perform poorly in predicting injection effects on the sediment transport. Although Yang's (2013) model could reasonably predict the influence of injection on the sediment transport rate in the post-boiling condition, it similarly fails when applied to the pre-boiling condition.

Effects Of Hydraulic Pressure On Wrinkling And Earing In Micro Hydro Deep Drawing Of Sus304 Circular Cups, Liang Luo, Dongbin Wei, Xiaogang Wang, Cunlong Zhou, Qingxue Huang, Jianzhong Xu, Di Wu, Zhengyi Jiang

Faculty of Engineering and Information Sciences - Papers: Part A

Influences of hydraulic pressure on forming features in micro hydro deep drawing are different from those in normal drawing due to the small size of specimens. In this study, micro hydro deep drawing of SUS304 sheets was carried out in order to study the impacts of the hydraulic pressure on the quality of the drawn cup. Experimental results indicate that there is a critical hydraulic pressure range from 3 to 6 % of the blank's initial yield stress, where wrinkling and earing development trends change twice. The wrinkling and the earing of the drawn cup also reach their local extremes …

Tunable Particle Focusing In A Straight Channel With Symmetric Semicircle Obstacle Arrays Using Electrophoresis-Modified Inertial Effects, Dan Yuan, Chao Pan, Jun Zhang, Sheng Yan, Qianbin Zhao, Gursel Alici, Weihua Li

Faculty of Engineering and Information Sciences - Papers: Part A

In this work, a novel microfluidic platform for tunable particle focusing in a straight channel with symmetric semicircle obstacle arrays using electrophoresis (EP)-modified inertial effects was presented. By exerting an EP force on the charged microparticles, a relative velocity gap between microspheres and fluid in a straight channel with symmetric semicircle obstacle arrays was implemented. The relative velocity and fluid shear will induce shear-slip lift force (Saffman lift force) perpendicular to the mainstream direction. Therefore, the focusing pattern can be altered using the electrophoresis-induced Saffman force. The effects of electric field direction, flow rate, electric field magnitude, and particle size …

Raziskava Učinkov Dela Pod Napetostjo Na Nizki Napetosti Med Slovenskimi Vzdrževalci Električnih Inštalacij In Postrojev, Viktor Lovrencic, Damjan Maletic, Matjaz Maletic, Alenka Brezavscek, Milos Pantos, Bostjan Gomiscek

University of Wollongong in Dubai - Papers

Live working (LW) as a tool for preventive maintenance of electrical installations has a hundred year tradition in the world and more than half a century in Europe. In the last decade, LW has been implemented actively at low voltage in the Slovenian electrical distribution, transmission and generation of electricity as well as in industry and institutions (such as health). Slovenian electrical distribution began with the introduction of LW at low voltage in 2010. Depending on the complexity of the implementation processes, several special studies which define organizational activities, working documents, prescribe the necessary tools and personal protective equipment are …

More Standing And Just As Productive: Effects Of A Sit-Stand Desk Intervention On Call Center Workers' Sitting, Standing, And Productivity At Work In The Opt To Stand Pilot Study, Josephine Chau, William Sukala, Karla Fedel, Anna Do, Lina Engelen, Megan Kingham, Amanda Sainsbury, Adrian E. Bauman

Faculty of Social Sciences - Papers (Archive)

This study evaluated the effects of sit-stand desks on workers' objectively and subjectively assessed sitting, physical activity, and productivity. This quasi-experimental study involved one intervention group (n = 16) and one comparison group (n = 15). Participants were call center employees from two job-matched teams at a large telecommunications company in Sydney, Australia (45% female, 33 ± 11 years old). Intervention participants received a sit-stand desk, brief training, and daily e-mail reminders to stand up more frequently for the first 2 weeks post-installation. Control participants carried out their usual work duties at seated desks. Primary outcomes were workday …