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Articles 1201 - 1230 of 2936
Full-Text Articles in Social and Behavioral Sciences
Computationally Efficient Ontology Usage In Software Requirement Planning, Robert B. K Brown Ph.D, Ghassan Beydoun, Graham Low, William Tibben, F Garcia-Sanchez, Reza Zamani, Rodrigo Martinez-Bejar
Computationally Efficient Ontology Usage In Software Requirement Planning, Robert B. K Brown Ph.D, Ghassan Beydoun, Graham Low, William Tibben, F Garcia-Sanchez, Reza Zamani, Rodrigo Martinez-Bejar
Faculty of Engineering and Information Sciences - Papers: Part A
Understanding the needs of stakeholders and prioritizing requirements are the vital steps in the development of any software application. Enabling tools to support these steps have a critical role in the success of the corresponding software application. Based on such a critical role, this paper presents a computationally efficient ontology selection in software requirement planning. The key point guiding the underlying design is that, once gathered, requirements need to be processed by decomposition towards the generation of a specified systems design. A representational framework allows for the expression of high level abstract conceptions under a single schema, which may then …
Objective Computation Versus Subjective Computation, Nir Fresco
Objective Computation Versus Subjective Computation, Nir Fresco
Faculty of Engineering and Information Sciences - Papers: Part A
The question ‘What is computation?’ might seem a trivial one to many, but this is far from being in consensus in philosophy of mind, cognitive science and even in physics. The lack of consensus leads to some interesting, yet contentious, claims, such as that cognition or even the universe is computational. Some have argued, though, that computation is a subjective phenomenon: whether or not a physical system is computational, and if so, which computation it performs, is entirely a matter of an observer choosing to view it as such. According to one view, which we dub bold anti-realist pancomputationalism, every …
Friction And Anti-Wear Property Of Aqueous Tri-Block Copolymer Solutions In Metal Forming, Buyung Kosasih, Oyong Novareza, A Kiet Tieu, Hongtao Zhu
Friction And Anti-Wear Property Of Aqueous Tri-Block Copolymer Solutions In Metal Forming, Buyung Kosasih, Oyong Novareza, A Kiet Tieu, Hongtao Zhu
Faculty of Engineering and Information Sciences - Papers: Part A
Friction and anti-wear property of aqueous symmetrical tri-block normal PEOm-PPOn-PEOm and reverse PPOn-PEOm-PPOn copolymer solutions have been studied. The study focuses on the effect of the solution bulk temperatures and the copolymer block structures. It was found that the concentration and the length of the copolymer blocks affect the solution cloud points, friction and anti-wear property. When solution was supplied at bulk temperature above their cloud point, aqueous copolymer solutions were not able to develop effective adsorbed film resulting in high friction and severe wear. When the bulk temperatures were below the cloud point, the anti-wear property improved significantly and …
Dose Calibration Of Epids For Segmented Imrt Dosimetry, Shrikant Deshpande, Aitang Xing, Lois Holloway, Peter Metcalfe, Philip Vial
Dose Calibration Of Epids For Segmented Imrt Dosimetry, Shrikant Deshpande, Aitang Xing, Lois Holloway, Peter Metcalfe, Philip Vial
Faculty of Engineering and Information Sciences - Papers: Part A
The purpose of this study was to investigate the dose response of amorphous silicon (a-Si) electronic portal imaging devices (EPIDs) under different acquisition settings for both open jaw defined fields and segmented intensity-modulated radiation therapy (IMRT) fields. Four different EPIDs were used. Two Siemens and one Elekta plus a standalone Perkin Elmer research EPID. Each was operated with different acquisition systems and settings. Dose response linearity was measured for open static jaw defined fields and 'simple' segmented IMRT fields for a range of equipment and system settings. Six 'simple' segmented IMRT fields were used. The segments of each IMRT field …
The Kinetics Of The Reactivity Of A Coke Analogue With Carbon Dioxide, Raymond Longbottom, Apsara Jayasekara, Brian Monaghan
The Kinetics Of The Reactivity Of A Coke Analogue With Carbon Dioxide, Raymond Longbottom, Apsara Jayasekara, Brian Monaghan
Faculty of Engineering and Information Sciences - Papers: Part A
In this study the suitability of a laboratory analogue for coke for studying the reactivity of coke was evaluated. Coke reactivity and strength are closely related, as such, an improved understanding of the kinetics of blast furnace coke reactions can be used to enhance blast furnace performance. However, coke is a complex composite material, with an inherent heterogeneity with respect to oxide phase composition and phase dispersion. The complexity and heterogeneity of coke makes it difficult to isolate the effects of a specific component on coke reactivity. The coke analogue has been developed to address these issues and was used …
Use Of Shock Mats For Enhanced Stability Of Railroad Track Foundation, Buddhima Indraratna, Sinniah Navaratnarajah, Sanjay Nimbalkar, Cholachat Rujikiatkamjorn
Use Of Shock Mats For Enhanced Stability Of Railroad Track Foundation, Buddhima Indraratna, Sinniah Navaratnarajah, Sanjay Nimbalkar, Cholachat Rujikiatkamjorn
Faculty of Engineering and Information Sciences - Papers: Part A
Increasing demand for High Speed Rail (HSR) and fast heavy haul poses a serious challenge for stability of tracks on problematic ground. Ballast is a key track foundation material placed underneath the sleepers which provides structural support against high cyclic and impact stresses caused by moving trains. Degradation of ballast contributes to a large percentage of track maintenance costs apart from affecting longevity and stability. In recent years, use of elastometric soft pads underneath sleepers has become increasingly popular as means of reducing track damage. The 'shock mat' placed under the sleeper is traditionally called Under Sleeper Pad (USP), and …
Variational Inequality Model For Cordon-Based Congestion Pricing Under Side Constrained Stochastic User Equilibrium Conditions, Zhiyuan Liu, Qiang Meng, Shuaian Wang
Variational Inequality Model For Cordon-Based Congestion Pricing Under Side Constrained Stochastic User Equilibrium Conditions, Zhiyuan Liu, Qiang Meng, Shuaian Wang
Faculty of Engineering and Information Sciences - Papers: Part A
A major objective of the practical implemented cordon-based congestion pricing schemes is to maintain the traffic conditions within the cordon area, which is rarely considered in most of the existing studies. Thus, this paper addresses the optimal toll charge pattern that can restrict the total inbound flow of each cordon to a predetermined threshold. The toll charges on all the entry links of one cordon are required to be identical, for the ease of implementation and users' recognition. The users' route choice behaviour is assumed to follow stochastic user equilibrium (SUE) with asymmetric link travel time functions. It is shown …
Measuring Young's Modulus Using A Self-Mixing Laser Diode, Ke Lin, Yanguang Yu, Jiangtao Xi, Yuanlong Fan, Huijun Li
Measuring Young's Modulus Using A Self-Mixing Laser Diode, Ke Lin, Yanguang Yu, Jiangtao Xi, Yuanlong Fan, Huijun Li
Faculty of Engineering and Information Sciences - Papers: Part A
This paper presents a novel approach for determining the Young’s modulus by using a self-mixing laser diode (SMLD). An SMLD system consists of a laser diode (LD), a microlens and an external target. With a small portion of light backscatterd or reflected by the target re-entering the LD inside cavity, both the amplitude and frequency of the LD power are modulated. This modulated LD power is referred as a self-mixing signal (SMS) which is detected by the photodiode (PD) packaged in the rear of the LD. The external target is the tested sample which is in damping vibration excited by …
Capability Chart: A New Tool For Grid-Tied Microgrid Operation, Athmi Jayawardena, Lasantha Meegahapola, Daniel Robinson, Sarath Perera
Capability Chart: A New Tool For Grid-Tied Microgrid Operation, Athmi Jayawardena, Lasantha Meegahapola, Daniel Robinson, Sarath Perera
Faculty of Engineering and Information Sciences - Papers: Part A
Increasing penetration of distributed resources have enabled the development of the microgrid concept. Similar to traditional generators, microgrids can participate in the energy market to achieve technical, economical and environmental benefits. In order to facilitate the participation in energy markets, microgrid operators need to be aware of the full capability of the microgrids. This paper presents a systematic approach for developing a capability chart for a grid-tied microgrid which represents the active and reactive power capability at the grid supply point. Capability charts have been developed for two different microgrids and the impacts of different modelling aspects have been analysed …
Simplified Mapping Rule For Bounding Surface Simulation Of Complex Loading Paths In Granular Materials, Mojtaba E. Kan, Hossein Taiebat, Nasser Khalili
Simplified Mapping Rule For Bounding Surface Simulation Of Complex Loading Paths In Granular Materials, Mojtaba E. Kan, Hossein Taiebat, Nasser Khalili
Faculty of Engineering and Information Sciences - Papers: Part A
This paper presents a bounding surface plasticity model that can be used to simulate complex monotonic and cyclic loading paths.A new mapping rule that only uses the last stress reversal point is introduced to describe the stress-strain behavior of granular soils during loading and unloading. This mapping rule is easy to implement and is suitable for highly erratic cyclic loading conditions, e.g., those induced by earth-quake or traffic loading. The application and performance of the model are demonstrated using the results of experimental tests with various stress paths conducted under both monotonic and cyclic loading conditions. The study shows the …
A Bounding Surface Plasticity Model For Highly Crushable Granular Materials, Mojtaba E. Kan, Hossein Taiebat
A Bounding Surface Plasticity Model For Highly Crushable Granular Materials, Mojtaba E. Kan, Hossein Taiebat
Faculty of Engineering and Information Sciences - Papers: Part A
A bounding surface plasticity model is presented for crushable rockfills in the framework of the critical state soil mechanics which includes translation of the critical state line due to particle crushing. A translating limiting isotropic compression line is also introduced and incorporated in the model to describe the position and evolution of the bounding surface. A particle breakage index is introduced as a function of stress invariants which controls the translation of the critical state and limiting isotropic compression lines. The performance of the model is demonstrated using the results of experimental tests on different types of rockfill materials conducted …
Rejection Of Trace Organic Chemicals By A Hollow Fibre Cellulose Triacetate Reverse Osmosis Membrane, Takahiro Fujioka, Stuart J. Khan, James A. Mcdonald, Long D. Nghiem
Rejection Of Trace Organic Chemicals By A Hollow Fibre Cellulose Triacetate Reverse Osmosis Membrane, Takahiro Fujioka, Stuart J. Khan, James A. Mcdonald, Long D. Nghiem
Faculty of Engineering and Information Sciences - Papers: Part A
The rejection behaviours of 41 trace organic chemicals (TrOCs) by a hollow fibre cellulose triacetate (CTA) reverse osmosis (RO) membrane for potable water reuse were evaluated. Results reported here suggest that the rejection behaviours of TrOCs by the CTA RO membrane are mostly similar to those previously reported for the polyamide (PA) RO membrane. However, in comparison to the PA based RO membrane, hydrophobic interaction plays a greater role while electrostatic interaction is less significant in governing the rejection of TrOCs by the CTA RO membrane. No difference in rejection between positively and negatively charged compounds by the CTA RO …
Recent Advances In Soft Ground Improvement - From Bumpy Rides To Rapid Transit, B Indraratna, A S. Balasubramaniam, C Rujikiatkamjorn, R Zhong
Recent Advances In Soft Ground Improvement - From Bumpy Rides To Rapid Transit, B Indraratna, A S. Balasubramaniam, C Rujikiatkamjorn, R Zhong
Faculty of Engineering and Information Sciences - Papers: Part A
Much of the world's essential infrastructure is built along congested coastal belts that are composed of highly compressible and weak soils up to significant depths. Soft alluvial and marine clay deposits have very low bearing capacity and excessive settlement characteristics, with obvious design and maintenance implications on tall structures and large commercial buildings, as well as port and transport infrastructure. Stabilising these soft soils before commencing construction is essential for both long term and short term stability. Pre-construction consolidation of soft soils through the application of a surcharge load alone often takes too long, apart from which, the load required …
Removal Of Polycyclic Musks By Anaerobic Membrane Bioreactor: Biodegradation, Biosorption, And Enantioselectivity, Lili Wang, Kaushalya C. Wijekoon, Long D. Nghiem, Stuart J. Khan
Removal Of Polycyclic Musks By Anaerobic Membrane Bioreactor: Biodegradation, Biosorption, And Enantioselectivity, Lili Wang, Kaushalya C. Wijekoon, Long D. Nghiem, Stuart J. Khan
Faculty of Engineering and Information Sciences - Papers: Part A
This study aims to investigate the performance of anaerobic membrane bioreactor (AnMBR) for removing five polycyclic musks (PCMs), which are common active ingredients of personal care and household cleaning products. A laboratory scale AnMBR system was used in this investigation. Concentrations of the PCMs in both the liquid and biosolids phase were measured to conduct a mass balance analysis and elucidate their fate during AnMBR treatment. The AnMBR was effective for removing PCMs from the aqueous phase by a combination of biotransformation and sorption onto the biosolids. However, bio- transformation was observed to be the dominant removal mechanism for all …
The Effects Of Feed Solution Temperature On Pore Size And Trace Organic Contaminant Rejection By The Nanofiltration Membrane Nf270, Hai Quang Dang, William E. Price, Long Duc Nghiem
The Effects Of Feed Solution Temperature On Pore Size And Trace Organic Contaminant Rejection By The Nanofiltration Membrane Nf270, Hai Quang Dang, William E. Price, Long Duc Nghiem
Faculty of Engineering and Information Sciences - Papers: Part A
This study investigated the effect of feed temperature on membrane pore size and the rejection of trace organic contaminants (TrOCs) by the nanofiltration (NF) membrane NF270. Filtration experiments were conducted using a cross flow membrane system at 20, 30 and 40 C. The membrane pore radius was estimated using the pore hindrance transport model at each temperature and the rejection data of three reference organic solutes (i.e. erythritol, xylose and glucose) experimentally obtained in this study. The results suggest that the pore size of an NF membrane is dependent on the feed solution temperature. An increase in the feed temperature …
Large Piezoelectric Coefficient And Ferroelectric Nanodomain Switching In Ba(Ti0.80zr0.20)O3-0.5(Ba0.70ca 0.30)Tio3 Nanofibers And Thin Films, A Jalalian, A Grishin, Xiaolin Wang, Zhenxiang Cheng, S X. Dou
Large Piezoelectric Coefficient And Ferroelectric Nanodomain Switching In Ba(Ti0.80zr0.20)O3-0.5(Ba0.70ca 0.30)Tio3 Nanofibers And Thin Films, A Jalalian, A Grishin, Xiaolin Wang, Zhenxiang Cheng, S X. Dou
Faculty of Engineering and Information Sciences - Papers: Part A
Currently available low-dimensional piezoelectric materials show a low piezoelectric coefficient d33 of merely 100 pm V-1 with Pb(Zr, Ti)O3-based materials at the high end. Here, we report very large piezoelectricity in Ba(Ti0.80Zr0.20)O 3-0.5(Ba0.70Ca0.30)TiO3 (BTZ-0.5BCT) lead-free nanostructures sintered as thin films (d33 = 140 pm V -1) and nanofibers (d33 = 180 pm V-1). The influences of lateral size, geometry, and the clamping effect on the piezoelectric performance were investigated for both thin films and nanofibers. Combining a high piezoelectric coefficient with environmental benefits, the BTZ-0.5BCT nanostructures provide the superior functions sought for highly efficient piezoelectric devices and electromechanical systems. 2014 …
Monte Carlo Simulation Of The Transit Dosimetric Response Of An A-Si Electronic Portal Imaging Device, Samuel J. Blake, Aimee Mcnamara, Philip Vial, Lois Holloway, Peter Greer, Zdenka Kuncic
Monte Carlo Simulation Of The Transit Dosimetric Response Of An A-Si Electronic Portal Imaging Device, Samuel J. Blake, Aimee Mcnamara, Philip Vial, Lois Holloway, Peter Greer, Zdenka Kuncic
Faculty of Engineering and Information Sciences - Papers: Part A
Amorphous silicon (a-Si) electronic portal imaging devices (EPIDs) are x-ray detectors frequently used in radiotherapy imaging and dosimetry applicatioins. EPIDs employ a copper plate and gadolinium oxysulfide phosphor screen with an array of a-Si photodiodes to indirectly detect incident radiation. In this study, a previously developed Mote Carlo (MC) model of an a-Si EPID has been extended for transit dosimetry.
Speech Enhancement With An Acoustic Vector Sensor: An Effective Adaptive Beamforming And Post-Filtering Approach, Yuexian Zou, Peng Wang, Yong Wang, Christian Ritz, Jiangtao Xi
Speech Enhancement With An Acoustic Vector Sensor: An Effective Adaptive Beamforming And Post-Filtering Approach, Yuexian Zou, Peng Wang, Yong Wang, Christian Ritz, Jiangtao Xi
Faculty of Engineering and Information Sciences - Papers: Part A
Speech enhancement has an increasing demand in mobile communications and faces a great challenge in a real ambient noisy environment. This paper develops an effective spatialfrequency domain speech enhancement method with a single acoustic vector sensor (AVS) in conjunction with minimum variance distortionless response (MVDR) spatial filtering and Wiener post-filtering (WPF) techniques. In remote speech applications, the MVDR spatial filtering is effective in suppressing the strong spatial interferences and the Wiener postfiltering is considered as a popular and powerful estimator to further suppress the residual noise if the power spectral density (PSD) of target speech can be estimated properly. With …
Free Vibrations Of Interspersed Railway Track Systems In Three-Dimensional Space, Sakdirat Kaewunruen, Alexander Remennikov, Akira Aikawa, Hirotaka Sakai
Free Vibrations Of Interspersed Railway Track Systems In Three-Dimensional Space, Sakdirat Kaewunruen, Alexander Remennikov, Akira Aikawa, Hirotaka Sakai
Faculty of Engineering and Information Sciences - Papers: Part A
Statistically, the actual loading conditions for railway tracks are rather dynamic and transient. The dynamic loadings due to train and track interactions redistribute from the rails to the rail pad, from the rail pad to the railway sleeper, and from the railway sleeper to the underlying ground. Commonly, railway sleeper in track systems is modeled as a beam on elastic foundation. This study makes use of a calibrated finite element model of railway sleepers in a track system, in order to investigate the resonant frequencies and associated mode shapes of railway components in interspersed track systems. The numerical model takes …
Nonlinear Analysis Of Axially Loaded Cicular Concrete-Filled Stainless Steel Tubular Short Columns, Vipulkumar Patel, Qing Quan Liang, Muhammad N. S Hadi
Nonlinear Analysis Of Axially Loaded Cicular Concrete-Filled Stainless Steel Tubular Short Columns, Vipulkumar Patel, Qing Quan Liang, Muhammad N. S Hadi
Faculty of Engineering and Information Sciences - Papers: Part A
The experiments indicate that stainless steels in tension deform plastically more than stainless steels in compression. Therefore, the strain hardening of stainless steels in compression is much faster than that of stainless steels in tension. The full-range two-stage constitutive model for stainless steels assumes that stainless steels follow the same stress-strain behavior in compression and tension, which may underestimate the compressive strength of stainless steel tubes. This paper presents a fiber element model incorporating the recently developed full-range three-stage stress-strain relationships based on experimentally observed behavior for stainless steels for the nonlinear analysis of circular concrete-filled stainless steel tubular (CFSST) …
Retrofitting Nonseismically Detailed Exterior Beam-Column Joints Using Concrete Covers Together With Cfrp Jacket, Muhammad N. S Hadi, Tung Minh Tran
Retrofitting Nonseismically Detailed Exterior Beam-Column Joints Using Concrete Covers Together With Cfrp Jacket, Muhammad N. S Hadi, Tung Minh Tran
Faculty of Engineering and Information Sciences - Papers: Part A
This paper introduces a new method for retrofitting reinforced concrete (RC) exterior beamcolumn T joints, using segmental circular concrete covers together with Carbon Fibre Reinforced Polymer (CFRP). Two RC T connections without transverse reinforcement at the joints were cast and tested. The first connection (Strengthened specimen, TS) was glued with the concrete covers around the column at the joint area to modify it from a square to a circular section and then it was wrapped with CFRP to strengthen its capacity. A load was first applied on the second connection (Repaired specimen, TR) to cause a serious failure then it …
Coherent And Tunable Terahertz Radiation From Graphene Surface Plasmon Polaritons Excited By An Electron Beam, Shenggang Liu, Chao Zhang, Min Hu, Xiaoxing Chen, Ping Zhang, Sen Gong, Tao Zhao, Renbin Zhong
Coherent And Tunable Terahertz Radiation From Graphene Surface Plasmon Polaritons Excited By An Electron Beam, Shenggang Liu, Chao Zhang, Min Hu, Xiaoxing Chen, Ping Zhang, Sen Gong, Tao Zhao, Renbin Zhong
Faculty of Engineering and Information Sciences - Papers: Part A
Although surface plasmon polaritons (SPPs) resonance in graphene can be tuned in the terahertz regime, transforming such SPPs into coherent terahertz radiation has not been achieved. Here, we propose a graphene-based coherent terahertz radiation source with greatly enhanced intensity. The radiation works at room temperature, it is tunable and can cover the whole terahertz regime. The radiation intensity generated with this method is 400 times stronger than that from SPPs at a conventional dielectric or semiconducting surface and is comparable to that from the most advanced photonics source such as a quantum cascade laser. The physical mechanism for this strong …
A New Version Of The Lupin Detector: Improvements And Latest Experimental Verification, M Caresana, C Cassell, M Ferrarini, E Hohmann, G P. Manessi, S Mayer, M Silari, V Varoli
A New Version Of The Lupin Detector: Improvements And Latest Experimental Verification, M Caresana, C Cassell, M Ferrarini, E Hohmann, G P. Manessi, S Mayer, M Silari, V Varoli
Faculty of Engineering and Information Sciences - Papers: Part A
LUPIN-II is an upgraded version of LUPIN, a novel rem counter first developed in 2010 specifically conceived to work in pulsed neutron fields (PNFs). The new version introduces some modifications that improve the performance of the detector, in particular extending its upper detection limit in PNFs. This paper discusses the characteristics and the performance of the instrument. Measurements have been carried out in radiation fields characterized by very different conditions: the detector has first been exposed in PNFs with intensity up to 5 μSv per burst, where it could keep the H*(10) underestimation below 20% up to 500 nSv per …
A Captcha Scheme Based On The Identification Of Character Locations, Duc Vu Nguyen, Yang-Wai Chow, Willy Susilo
A Captcha Scheme Based On The Identification Of Character Locations, Duc Vu Nguyen, Yang-Wai Chow, Willy Susilo
Faculty of Engineering and Information Sciences - Papers: Part A
CAPTCHAs are a standard security mechanism used on many websites to protect online services against abuse by automated programs, or bots. The purpose of a CAPTCHA is to distinguish whether an online transaction is being carried out by a human or a bot. Unfortunately, to date many existing CAPTCHA schemes have been found to be vulnerable to automated attacks. It is widely accepted that state-of-the-art in text-based CAPTCHA design requires that a CAPTCHA be resistant against segmentation. In this paper, we examine CAPTCHA usability issues and current segmentation techniques that have been used to attack various CAPTCHA schemes. We then …
A Decision Support Tool To Optimize Imrt Qa Workflow In A Multi-Vendor Equipment Environment, Sankar Arumugam, Aitang Xing, Philip Vial, Lois Holloway
A Decision Support Tool To Optimize Imrt Qa Workflow In A Multi-Vendor Equipment Environment, Sankar Arumugam, Aitang Xing, Philip Vial, Lois Holloway
Faculty of Engineering and Information Sciences - Papers: Part A
Development of a software tool to ease the Intensity Modulated Radiation Therapy (IMRT) pre-treatment Quality Assurance process is presented in this study. The delivery of IMRT involves equipment from multiple vendors. The limitations of the equipment involved in this chain will impact on the best choice of equipment. This often results in the user needing to use multiple pieces of equipment before determining the most appropriate choices to optimise the QA work flow. This is a time consuming process and potentially delays the start of patient treatment. Software was developed in-house to assist the decision making process, validating deliverability of …
The Resolvent Cocycle In Twisted Cyclic Cohomology And A Local Index Formula For The Podle's Sphere, Adam Rennie, Roger Senior
The Resolvent Cocycle In Twisted Cyclic Cohomology And A Local Index Formula For The Podle's Sphere, Adam Rennie, Roger Senior
Faculty of Engineering and Information Sciences - Papers: Part A
We continue the investigation of twisted homology theories in the context of dimension drop phenomena. This work unifies previous equivariant index calculations in twisted cyclic cohomology. We do this by proving the existence of the resolvent cocycle, a finitely summable analogue of the JLO cocycle, under weaker smoothness hypotheses and in the more general setting of 'modular' spectral triples. As an application we show that using our twisted resolvent cocycle, we can obtain a local index formula for the Podles sphere. The resulting twisted cyclic cocycle has non-vanishing Hochschild class which is in dimension 2.
A Review On The Occurrence Of Micropollutants In The Aquatic Environment And Their Fate And Removal During Wastewater Treatment, Yunlong Luo, Wenshan Guo, Huu Hao Ngo, Long Duc Nghiem, Faisal Ibney Hai, Jian Zhang, Shuang Liang, Xiaochang C. Wang
A Review On The Occurrence Of Micropollutants In The Aquatic Environment And Their Fate And Removal During Wastewater Treatment, Yunlong Luo, Wenshan Guo, Huu Hao Ngo, Long Duc Nghiem, Faisal Ibney Hai, Jian Zhang, Shuang Liang, Xiaochang C. Wang
Faculty of Engineering and Information Sciences - Papers: Part A
Micropollutants are emerging as a new challenge to the scientific community. This review provides a summary of the recent occurrence of micropollutants in the aquatic environment including sewage, surface water, groundwater and drinking water. The discharge of treated effluent from WWTPs is a major pathway for the introduction of micropollutants to surface water. WWTPs act as primary barriers against the spread of micropollutants. WWTP removal efficiency of the selected micropollutants in 14 countries/regions depicts compound-specific variation in removal, ranging from 12.5 to 100%. Advanced treatment processes, such as activated carbon adsorption, advanced oxidation processes, nanofiltration, reverse osmosis, and membrane bioreactors …
Identity Based Identification From Algebraic Coding Theory, Guomin Yang, Chik How Tan, Yi Mu, Willy Susilo, Duncan S. Wong
Identity Based Identification From Algebraic Coding Theory, Guomin Yang, Chik How Tan, Yi Mu, Willy Susilo, Duncan S. Wong
Faculty of Engineering and Information Sciences - Papers: Part A
Cryptographic identification schemes allow a remote user to prove his/her identity to a verifier who holds some public information of the user, such as the user public key or identity. Most of the existing cryptographic identification schemes are based on number-theoretic hard problems such as Discrete Log and Factorization. This paper focuses on the design and analysis of identity based identification (IBI) schemes based on algebraic coding theory. We first revisit an existing code-based IBI scheme which is derived by combining the Courtois-Finiasz-Sendrier signature scheme and the Stern zero-knowledge identification scheme. Previous results have shown that this IBI scheme is …
Improving Online Banking Quality In Developing Nations: A Libyan Case, Fouad Elgahwash, Mark Freeman, Alison E. Freeman
Improving Online Banking Quality In Developing Nations: A Libyan Case, Fouad Elgahwash, Mark Freeman, Alison E. Freeman
Faculty of Engineering and Information Sciences - Papers: Part A
While the global banking sector is one of the most up-to-date industries with regard to the use of the Internet and mobile technologies, developing countries (such as Libya) have not broadly adopted these technologies. For example, online banking is not offered or provided on a restricted basis by many banks in Libya. As developing countries now seek to catch up with the global environment, both banks and customers are likely to face challenges. Understanding the perceptions of customers with regard to online banking quality in developing countries is useful for informing future adoption strategies and hence improving relationships between banks …
Centrifuge Tests For Seismic Response Of Caisson-Pile Composite Foundation, Rui Zhong, Mao-Song Huang
Centrifuge Tests For Seismic Response Of Caisson-Pile Composite Foundation, Rui Zhong, Mao-Song Huang
Faculty of Engineering and Information Sciences - Papers: Part A
Dynamic centrifuge tests are carried out to study seismic response of caisson-pile composite foundation. With Shanghai sandy silt chosen as test soil, laminar shearing box used to eliminate reflection at the boundary, and Shanghai artificial middle wave is taken as the input motion, three tests with different foundation types are conducted under the centrifuge acceleration of 50g. Single pile, caisson and caisson-pile composite foundation are the foundation types for those three tests, and all the superstructures in these tests are simplified as mass points and connecting columns. Test results indicate that, for soil with low stiffness acceleration decays in the …