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Dependence Of Magnetoelectric Properties On Sintering Temperature For Nano-Sic-Doped Mgb2/Fe Wires Made By Combined In Situ/Ex Situ Process, Wenxian Li, Rong Zeng, Jiazhao Wang, Y Li, S. X. Dou
Dependence Of Magnetoelectric Properties On Sintering Temperature For Nano-Sic-Doped Mgb2/Fe Wires Made By Combined In Situ/Ex Situ Process, Wenxian Li, Rong Zeng, Jiazhao Wang, Y Li, S. X. Dou
Faculty of Engineering - Papers (Archive)
Very fine nano-SiC particles (nm) were doped into a MgB2 superconductor. The influence of self-field supercurrent on the high-field performance of the nano-SiC-doped MgB2/Fe wires is discussed based on comparison of the critical current densities of the in situ processed nano-SiCdoped MgB2 wires and those of the nano-SiC-doped MgB2/Fe wires processed by the combination of in situ/ex situ methods.
Using Slowmation For Animated Storytelling To Represent Non-Aboriginal Preservice Teachers' Awareness Of "Relatedness To Country", Anthony D. Mcknight, Garry Hoban, Wendy Nielsen
Using Slowmation For Animated Storytelling To Represent Non-Aboriginal Preservice Teachers' Awareness Of "Relatedness To Country", Anthony D. Mcknight, Garry Hoban, Wendy Nielsen
Faculty of Education - Papers (Archive)
In this study, a group (N=15) of final year non-Aboriginal pre ervice teachers participated in an elective subject that aimed to raise their awarene s ab ut Aboriginal ways of knowing. A vital aspect of the course was developing the preservice teachers' awareness of "relatedness to country" which is a key belief for Aboriginal people. The non-Aboriginal pre service teachers s lected their own special place and then experienced Aboriginal ways of knowing throughout the course and vi ited local Aboriginal sites to hear and listen to stories shared by an Aboriginal Elder. At the end of the subject, the …
Naturality Of Rieffel's Morita Equivalence For Proper Actions, Astrid An Huef, S Kaliszewski, Iain F. Raeburn, Dana P. Williams
Naturality Of Rieffel's Morita Equivalence For Proper Actions, Astrid An Huef, S Kaliszewski, Iain F. Raeburn, Dana P. Williams
Faculty of Informatics - Papers (Archive)
Suppose that a locally compact group G acts freely and properly on the right of a locally compact space T . Rieffel proved that if is an action of G on a C*-algebra A and there is an equivariant embedding of C0(T ) in M(A), then the action α of G on A is proper, and the crossed product A⋊α,rG is Morita equivalent to a generalised fixed-point algebra Fix(A,α ) in M(A)α. We show that the assignment (A,α) → Fix(A,α ) extends …
A Mathematical Model For The Biological Treatment Of Industrial Wastewaters In A Cascade Of Four Reactors, Annette L. Worthy, Mark I. Nelson, Rubayyi Turki Alqahtani
A Mathematical Model For The Biological Treatment Of Industrial Wastewaters In A Cascade Of Four Reactors, Annette L. Worthy, Mark I. Nelson, Rubayyi Turki Alqahtani
Faculty of Informatics - Papers (Archive)
Many industrial processes, particularly in the food industry, produce slurriesor wastewaters containing high concentrations of biodegradable organicmaterials. Before these contaminated wastewaters can be dischargedthe concentration of these pollutants must be reduced. A method which has beenextensively employed to remove biodegradable organic matter is biologicaltreatment. In this process the wastewater (or slurry) is passed through abioreactor containing biomass which grows through consumption of thepollutants.The industrial treatment of wastewaters typically employs a reactor cascade.In a reactor cascade of n reactors the effluent stream from the ith reactor inthe cascade acts as the feed stream for the (i+1)th reactor, i.e. the nextreactor. The …
Initial Values In Estimation Procedures For State Space Models (Ssms), Raed Alzghool, Yan-Xia Lin
Initial Values In Estimation Procedures For State Space Models (Ssms), Raed Alzghool, Yan-Xia Lin
Faculty of Informatics - Papers (Archive)
In this paper, we will focus on State Space Models(SSMs), especially the stochastic volatility model, and lookfor a standard approach for assigning initial values in theQuasi-Likelihood (QL) and Asymptotic Quasi-Likelhood (AQL)estimation procedures.
A Spectral-Collocation Method For Pricing Perpetual American Puts With Stochastic Volatility, Song-Ping Zhu, Wenting Chen
A Spectral-Collocation Method For Pricing Perpetual American Puts With Stochastic Volatility, Song-Ping Zhu, Wenting Chen
Faculty of Informatics - Papers (Archive)
Based on the Legendre pseudospectral method, we propose a numerical treatment for pricing perpetual American put option with stochastic volatility. In this simple approach, a nonlinear algebraic equation system is first derived, and then solved by the Gauss–Newton algorithm. The convergence of the current scheme is ensured by constructing a test example similar to the original problem, and comparing the numerical option prices with those produced by the classical Projected SOR (PSOR) method. The results of our numerical experiments suggest that the proposed scheme is both accurate and efficient, since the spectral accuracy can be easily achieved within a small …
A Novel Bath Lily-Like Graphene Sheet-Wrapped Nano-Si Composite As A High Performance Anode Material For Li-Ion Batteries, Jun Chen, Jun Yang, Zi-Feng Ma, Pengfei Gao, Yu-Shi He, Xiao Zhen Liao, Xiaowei Yang
A Novel Bath Lily-Like Graphene Sheet-Wrapped Nano-Si Composite As A High Performance Anode Material For Li-Ion Batteries, Jun Chen, Jun Yang, Zi-Feng Ma, Pengfei Gao, Yu-Shi He, Xiao Zhen Liao, Xiaowei Yang
Faculty of Science - Papers (Archive)
"A novel bath lily-like graphene sheet-wrapped nano-Si composite synthesized via a simple spray drying process exhibits a high reversible capacity of 1525 mAh g(-1) and superior cycling stability, which could be attributed to a synergistic effect between highly conductive graphene sheets and active nanoparticles in the open nano/micro-structure."
Contextual Effects In Modeling For Small Domain Estimation, Mohammad-Reza Namazi-Rad, David G. Steel
Contextual Effects In Modeling For Small Domain Estimation, Mohammad-Reza Namazi-Rad, David G. Steel
SMART Infrastructure Facility - Papers
Many different Small Area Estimation (SAE) methods have been proposed to overcome the challenge of findingreliable estimates for small domains. Often, the required data for various research purposes are available at differentlevels of aggregation. Based on the available data, individual-level or aggregated-level models are used in SAE.However, parameter estimates obtained from individual and aggregated level analysis may be different, in practice.This may happen due to some substantial contextual or area-level effects in the covariates which may be misspecifiedin individual-level analysis. If small area models are going to be interpretable in practice, possible contextualeffects should be included. Ignoring these effects leads …
Three-Dimensional Dosimetry Imaging Of I-125 Plaque For Eye Cancer Treatment, Michael Weaver, Janette P. Green, Marco Petasecca, Michael L. Lerch, Dean L. Cutajar, D. Franklin, J Jakubek, Martin G. Carolan, M Conway, S Pospisil, Tomas Kron, Peter E. Metcalfe, M Zaider, Anatoly B. Rosenfeld
Three-Dimensional Dosimetry Imaging Of I-125 Plaque For Eye Cancer Treatment, Michael Weaver, Janette P. Green, Marco Petasecca, Michael L. Lerch, Dean L. Cutajar, D. Franklin, J Jakubek, Martin G. Carolan, M Conway, S Pospisil, Tomas Kron, Peter E. Metcalfe, M Zaider, Anatoly B. Rosenfeld
Sydney Business School - Papers
Treatment of ocular cancers using eye plaque brachytherapy is now an established medical procedure. However, current QA for these eye plaques is quite rudimentary, limiting the opportunities for precise pre-tumour plaque customisation. This paper proposes and experimentally validates a new technique for imaging of eye plaque dose distributions using a high-resolution pixelated silicon detector. Results are presented demonstrating the 2D and 3D isodose surfaces produced using experimental data collected using this method.
Development And Validation Of Calibration Methods For Discrete Element Modelling, Andrew Grima, Peter W. Wypych
Development And Validation Of Calibration Methods For Discrete Element Modelling, Andrew Grima, Peter W. Wypych
Faculty of Engineering - Papers (Archive)
Discrete element method (DEM) is proving to be a reliable and increasingly used tool to study and predict the behaviour of granular materials. Numerous particlescale mechanisms influence the bulk behaviour and flow of bulk materials. It is important that the relevant measurable input parameters for discrete element models bemeasured by laboratory equipment or determined by physical calibration experiments for rational results. This paper describes some of the bench-scale experiments that have been developed to calibrate the DEM simulations to reflect actual dynamic behaviour. Relevant parameters such as static and rolling coefficients of friction, coefficient of restitution and interparticle cohesion forces …
A Real-Time Measuring Technology For Studying Distortion Of Hydraulic Turbine Blade Castings During Heat Treatment Process, Hailiang Yu, Jinwu Kang, Gang Nie, Haimin Long, Xiaokun Hao, Tianyou Huang
A Real-Time Measuring Technology For Studying Distortion Of Hydraulic Turbine Blade Castings During Heat Treatment Process, Hailiang Yu, Jinwu Kang, Gang Nie, Haimin Long, Xiaokun Hao, Tianyou Huang
Faculty of Engineering - Papers (Archive)
During heat treatment process, the distortion behavior inevitably appears in hydraulic turbine blade castings. In this research, a technology was developed for real-time measurement of the distortion in hydraulic turbine blade castings at the still air cooling and forced air cooling stages during heat treatment process. The method was used to measure the distortion behavior at the cooling stages in both normalizing and tempering processes. At the normalization, the distortion at the blade corner near outlet side undergoes four stages with alternating bending along positive and negative directions. At the tempering stage, the distortion could be divided into two steps. …
Design Of Water Holding Bulkheads For Coal Mines, Verne Mutton, Alexander Remennikov
Design Of Water Holding Bulkheads For Coal Mines, Verne Mutton, Alexander Remennikov
Faculty of Engineering - Papers (Archive)
Water control has been and remains a fundamentally important aspect of underground coal mine design and operation worldwide. Mining in the vicinity of large bodies of water, below a worked out coal seam or under confined aquifer or abandoned water logged workings is always fraught with the possibility of the danger of inundation. Inrush control is now part the Fatal Hazard Protocols which is a risk based process in all operations. In modern Australian underground coal mines, in which panel layouts have been extended and production rates are approaching 10 Mtpa, there is much focus on the control of water …
Review Of Gas Emission Prediction And Control Methods For Multi-Seam Mining In Chinese Coal Mines, Zhongwei Wang, Ting Ren, Lei Zhang
Review Of Gas Emission Prediction And Control Methods For Multi-Seam Mining In Chinese Coal Mines, Zhongwei Wang, Ting Ren, Lei Zhang
Faculty of Engineering - Papers (Archive)
In China, the practice of multi-seam mining with high gas emission rates is common, and many coal mines are suffering from major gas management issues. To deal with these problems, empirical formulas for gas emission prediction and gas control methods suitable for site-specific conditions are developed. Specifically, the statistical method and split–source-method are widely used for gas emission prediction. In addition to ventilation, various gas control methods, including cross-measure boreholes, directional long-holes, dedicated roadways and surface goaf wells are used for gas drainage. Techniques for integrated extraction of coal and coal seam gas have been developed in these coal mines, …
Development Of A Water-Mist Based Venturi System For Dust Control From Maingate Chocks And Bsl, Ting Ren, Graeme Cooper, Srinivasa Yarlagadda
Development Of A Water-Mist Based Venturi System For Dust Control From Maingate Chocks And Bsl, Ting Ren, Graeme Cooper, Srinivasa Yarlagadda
Faculty of Engineering - Papers (Archive)
Advances in modern longwall (LW) technology have resulted in high production faces with more powerful chocks and shearers that can advance at faster rates. As longwall chocks (supports) advance, crushed roof coal and/or rock can fall from the top of the chock canopy into the face ventilation airflow. Dust survey showed that chock movement is a significant source of dust exposure for shearer operators, accounting for about 47% of total LW face dust make during the cutting cycle. 3D CFD models have been developed to understand the behaviour of longwall dust particles from various sources including maingate (MG) chocks and …
Practice And Prospect Of Fully Mechanised Mininig Technology For Thin Coal Seams Under Complex Conditions In China, Shihao Tu, Fangtian Wang, Yan Lu, Qi Wu, Qingsheng Bai
Practice And Prospect Of Fully Mechanised Mininig Technology For Thin Coal Seams Under Complex Conditions In China, Shihao Tu, Fangtian Wang, Yan Lu, Qi Wu, Qingsheng Bai
Faculty of Engineering - Papers (Archive)
In China, thin coal seam are rich in resources and complex in conditions, however, the characteristics such as narrow mining space, the low level of mechanised technology, bad working environment and the high cost of mining, directly restrict the development of mining safety and high-efficiency. In thin coal seams with hard gangue which contains concretions of pyrite, LS-DYNA is applied to calculate the rational blasting parameters and carry out the deep-hole pre-splitting blasting technology, the hard gangue is fractured effectively, hence advancing the productivity of thin coal seam mining. In addition, the mining rate is sped up in thin protective …
Simultaneous Activated Carbon Adsorption Within A Membrane Bioreactor For An Enhanced Micropollutant Removal, Xueqing Li, Faisal I. Hai, Long Nghiem
Simultaneous Activated Carbon Adsorption Within A Membrane Bioreactor For An Enhanced Micropollutant Removal, Xueqing Li, Faisal I. Hai, Long Nghiem
Faculty of Engineering - Papers (Archive)
Significant adsorption of sulfamethoxazole and carbamazepine to powdered activated carbon (PAC) was confirmed by a series of adsorption tests. In contrast, adsorption of these micropollutants to the sludge was negligible. The removal of these compounds in membrane bioreactor (MBR) was dependent on their hydrophobicity and loading as well as the PAC dosage. Sulfamethoxazole exhibited better removal rate during operation under no or low (0.1 g/L) PAC dosage. When the PAC concentration in MBR was raised to 1.0 g/L, a sustainable and significantly improved performance in the removal of both compounds was observed – the removal efficiencies of sulfamethoxazole and carbamazepine …
Understanding The Conducting States Of Active And Passive Switches In An Inverter Circuit Used For Power System Applications, Danny Sutanto, B.P. Divakar, K.W.E. Cheng
Understanding The Conducting States Of Active And Passive Switches In An Inverter Circuit Used For Power System Applications, Danny Sutanto, B.P. Divakar, K.W.E. Cheng
Faculty of Informatics - Papers (Archive)
Bi-directional inverter circuits are commonly used in many applications in power systems, such as in FACTS devices, energy storage systems and active power filters. Many power engineering students however find it difficult to understand the conducting states of the active switches (transistors, IGBTs) and the passive switches (the antiparallel diodes connected across the active switches). It seems a mystery to them that power can flow from a lower voltage ac system to a higher voltage dc system to charge the energy storage system. This paper proposes a simple chart that intuitively explains how to determine the states (either conducting or …
Asymptotic Normality And Valid Inference For Gaussian Variational Approximation, Peter Hall, Tung Pham, M P. Wand, S S.J Wang
Asymptotic Normality And Valid Inference For Gaussian Variational Approximation, Peter Hall, Tung Pham, M P. Wand, S S.J Wang
Faculty of Arts - Papers (Archive)
We derive the precise asymptotic distributional behavior of Gaussianvariational approximate estimators of the parameters in a single-predictorPoisson mixed model. These results are the deepest yet obtained concerningthe statistical properties of a variational approximation method. Moreover,they give rise to asymptotically valid statistical inference. A simulation studydemonstrates that Gaussian variational approximate confidence intervals possessgood to excellent coverage properties, and have a similar precision totheir exact likelihood counterparts.
Privacy Implications For Information And Communications Technology (Ict): The Case Of The Jordanian E-Government, Akram Almatarneh
Privacy Implications For Information And Communications Technology (Ict): The Case Of The Jordanian E-Government, Akram Almatarneh
Faculty of Law - Papers (Archive)
Information and Communications Technology (ICT) is one of the fastest growing sectors in Jordan. The importance of ICT cannot be ignored as it affects all aspects of Jordanian society including telecommunications, education, banking, commerce and employment. However, the issue of individual privacy in this sector is a particular challenge as individuals are disclosing large amounts of personal information than ever at a time when there are no specific privacy laws or regulations. This paper identifies this privacy challenge by providing a case study on the electronic government (e-government initiative) in Jordan. The findings of this study are surprising. Despite that …
Identification Of Serpina1 As Single Marker For Papillary Thyroid Carcinoma Through Microarray Meta Analysis And Quantification Of Its Discriminatory Power In Independent Validation, Klemens Vierlinger, Markus H. Mansfeld, Oskar Koperek, Christa Nöhammer, Klaus Kaserer, Friedrich Leisch
Identification Of Serpina1 As Single Marker For Papillary Thyroid Carcinoma Through Microarray Meta Analysis And Quantification Of Its Discriminatory Power In Independent Validation, Klemens Vierlinger, Markus H. Mansfeld, Oskar Koperek, Christa Nöhammer, Klaus Kaserer, Friedrich Leisch
Faculty of Commerce - Papers (Archive)
Background Several DNA microarray based expression signatures for the different clinically relevant thyroid tumor entities have been described over the past few years. However, reproducibility of these signatures is generally low, mainly due to study biases, small sample sizes and the highly multivariate nature of microarrays. While there are new technologies available for a more accurate high throughput expression analysis, we show that there is still a lot of information to be gained from data deposited in public microarray databases. In this study we were aiming (1) to identify potential markers for papillary thyroid carcinomas through meta analysis of public …
Topicmodels: An R Package For Fitting Topic Models, Bettina Grun, Kurt Hornik
Topicmodels: An R Package For Fitting Topic Models, Bettina Grun, Kurt Hornik
Faculty of Commerce - Papers (Archive)
Topic models allow the probabilistic modeling of term frequency occurrences in documents. The fitted model can be used to estimate the similarity between documents as well as between a set of specified keywords using an additional layer of latent variables which are referred to as topics. The R package topicmodels provides basic infrastructure for fitting topic models based on data structures from the text mining package tm. The package includes interfaces to two algorithms for fitting topic models: the variational expectation-maximization algorithm provided by David M. Blei and co-authors and an algorithm using Gibbs sampling by Xuan-Hieu Phan and co-authors.
Value Creation In Social Marketing For The Continued Use Of Wellness Services, Nadia Zainuddin
Value Creation In Social Marketing For The Continued Use Of Wellness Services, Nadia Zainuddin
Faculty of Commerce - Papers (Archive)
In social marketing, in order to incentivise individuals into performing desired social behaviours, a value proposition is required (Dann, 2008; Kotler and Lee, 2008) as consumers often act out of self-interest (Rothschild, 1999). Value propositions offer relevant and timely incentives to encourage individuals to not only voluntarily perform these behaviours, but maintain these behaviours long-term. Much of the current research in value is focussed on a goods-oriented commercial marketing context, using an economic approach, which has resulted in a lack of investigation of value in a social marketing context from an experiential perspective (Holbrook, 1994), which this paper seeks to …
Policy Instruments For Reducing Greenhouse Gas Emissions, Brian H. Andrew, Mary A. Kaidonis
Policy Instruments For Reducing Greenhouse Gas Emissions, Brian H. Andrew, Mary A. Kaidonis
Faculty of Commerce - Papers (Archive)
Benjamin Franklin once said that ‘In this world, nothing is certain but death and taxes’ and a significant body of the scientific literature including the IPCC have indicated that the climate change problem has become such a pressing issue that we now face a stark choice between the premature death of hundreds of millions of the people on this planet (from storm, flood, starvation, war or pestilence) and the use of taxation or other financial strategies to change the relative cost of carbon intensive sources of energy compared to the cost of ‘green’ sources of energy. A change in the …
The Implementation Of Authentic Activities For Learning: A Case Study In Finance Education, Mara K. Koplin, Chi Fun Freda Hui
The Implementation Of Authentic Activities For Learning: A Case Study In Finance Education, Mara K. Koplin, Chi Fun Freda Hui
Faculty of Commerce - Papers (Archive)
This paper seeks to demonstrate how assessment tasks set in a finance subject contribute to an authentic learning experience. Authentic learning has been shown to help connect students’ classroom learning to the outside world. Linking what students are learning in class to the real world enables them to better understand the problems to be faced when dealing with incomplete information, while also engaging them more fully. In this preliminary study we explore the attributes of an authentic learning experience. The assessment task requires each student to research the topics covered in class in relationship to a country that they have …
Daily And 3-Hourly Variability In Global Fire Emissions And Consequences For Atmospheric Model Predictions Of Carbon Monoxide, M Mu, James Randerson, G R. Van Der Werf, L Giglio, Prasad Kasibhatla, D Morton, G J. Collatz, R S. Defries, E J. Hyer, E M. Prins, David W. Griffith, Debra Wunch, G C. Toon, V Sherlock, Paul O. Wennberg
Daily And 3-Hourly Variability In Global Fire Emissions And Consequences For Atmospheric Model Predictions Of Carbon Monoxide, M Mu, James Randerson, G R. Van Der Werf, L Giglio, Prasad Kasibhatla, D Morton, G J. Collatz, R S. Defries, E J. Hyer, E M. Prins, David W. Griffith, Debra Wunch, G C. Toon, V Sherlock, Paul O. Wennberg
Faculty of Science - Papers (Archive)
"Attribution of the causes of atmospheric trace gas and aerosol variability often requires the use of high resolution time series of anthropogenic and natural emissions inventories. Here we developed an approach for representing synoptic-and diurnal-scale temporal variability in fire emissions for the Global Fire Emissions Database version 3 (GFED3). We disaggregated monthly GFED3 emissions during 2003-2009 to a daily time step using Moderate Resolution Imaging Spectroradiometer (MODIS)-derived measurements of active fires from Terra and Aqua satellites. In parallel, mean diurnal cycles were constructed from Geostationary Operational Environmental Satellite (GOES) Wildfire Automated Biomass Burning Algorithm (WF_ABBA) active fire observations. Daily variability …
An Assessment Of Three Harpacticoid Copepod Species For Use In Ecotoxicological Testing, Daniel J. Ward, Victor Perez-Landa, David A. Spadaro, Stuart L. Simpson, Dianne F. Jolley
An Assessment Of Three Harpacticoid Copepod Species For Use In Ecotoxicological Testing, Daniel J. Ward, Victor Perez-Landa, David A. Spadaro, Stuart L. Simpson, Dianne F. Jolley
Faculty of Science - Papers (Archive)
The relatively short life cycles of harpacticoid copepods makes them appropriate animals for use in tests that rapidly assess the #180, sublethal, or chronic effects of sediment contaminants. In this study, four harpacticoid copepod species (Nitocra spinipes, Tisbe tenuimana, Robertgurneya hopkinsi, and Halectinosoma sp.) were isolated from clean marine sediments, and procedures for laboratory culturing were developed. Halectinosoma sp. was abandoned due to handling difficulties. For the remaining species, the influence of food type and quantity on life-cycle progression was assessed. A mixed diet, comprising two species of algae (Tetraselmis sp. and Isochrysis sp.) and fish food (Sera …
An Automated Land Subdivision Tool For Urban And Regional Planning: Concepts, Implementation And Testing, Rohan Wickramasuriya, Laurie A. Chisholm, Marjetta Puotinen, Nicholas Gill, Peter Klepeis
An Automated Land Subdivision Tool For Urban And Regional Planning: Concepts, Implementation And Testing, Rohan Wickramasuriya, Laurie A. Chisholm, Marjetta Puotinen, Nicholas Gill, Peter Klepeis
Faculty of Science - Papers (Archive)
Simulation of the land subdivision process is useful in many applied and research areas. Planners use such tools to understand potential impacts of planning regulations prior to their implementation. While the credibility of both land-use change and urban growth models would be enhanced by integrating capabilities to simulate land subdivision, such research is lacking in the published literature. Of the few subdivision tools that exist, most are either not fully-automated or are unable to generate realistic subdivision layouts. This limits their applicability, particularly for high resolution land-use change models. In this paper, we present a fully-automated land subdivision tool that …
Climate-Induced Reaction Norms For Life-History Traits In Pythons, Beata Ujvari, Richard Shine, L Luiselli, Thomas R. Madsen
Climate-Induced Reaction Norms For Life-History Traits In Pythons, Beata Ujvari, Richard Shine, L Luiselli, Thomas R. Madsen
Faculty of Science - Papers (Archive)
Climate change modelers predict increasingly frequent ''extreme events,'' so it is critical to quantify whether organismal responses (such as reproductive output) measured over the range of usual climatic conditions can predict responses under more extreme conditions. In a 20-year field study on water pythons (Liasis fuscus), we quantified the effects of climatically driven annual variation in food supply on demographic traits of female pythons (feeding rate, body size, body mass, and reproductive output). Reaction norms linking food supply to feeding rates and residual body mass were broadly linear, whereas norms linking food supply to female body size became curvilinear when …
A Decision Support Methodology For Remediation Planning Of Concrete Bridges, Maria Rashidi, Brett P. Lemass
A Decision Support Methodology For Remediation Planning Of Concrete Bridges, Maria Rashidi, Brett P. Lemass
Faculty of Engineering - Papers (Archive)
Bridges are critical and valuable components in any road and rail transportation network. Therefore bridge remediation has always been a top priority for asset managers and engineers, but identifying the nature of true defect deterioration and associated remediation treatments remains a complex task. Nowadays Decision Support Systems (DSS) are widely used to assist decision makers across an extensive spectrum of unstructured decision environments. The main objective of this research is to develop a requirements-driven methodology for bridge monitoring and maintenance which has the ability to assess the bridge condition and find the best remediation treatments using Simple Multi Attribute Rating …
Advanced Directional Drilling Technology For Gas Drainage And Exploration In Australian Coal Mines, Fangtian Wang, Ting Ren, Frank Hungerford, Shihao Tu, Najdat I. Aziz
Advanced Directional Drilling Technology For Gas Drainage And Exploration In Australian Coal Mines, Fangtian Wang, Ting Ren, Frank Hungerford, Shihao Tu, Najdat I. Aziz
Faculty of Engineering - Papers (Archive)
With the continuing technology innovation, directional drilling technology has provided the coal mining industry with effective and practical options for pre- and post-drainage and exploration in Australia. In the past thirty years, in-mine borehole steering equipment has been developed from the single shot camera survey systems to the advanced Directional Drill Monitor utilizing Modular Electrically Connected Cable Assembly (DDM-MECCA) survey instruments, which provides rapid and easy underground borehole survey measurements whilst drilling. The presence of coal seam gas such as methane poses a significant safety hazard to underground coal mining all over the world. However, gas can be captured using …