Heterogeneous electrode processes and localized corrosion

This book covers the areas of electrochemical heterogeneity and electrode inhomogeneity and their effects on nonuniform electrode processes, in particular, localized corrosion. It covers the fundamentals, experimental methods, and engineering aspects of electrochemical heterogeneity.

A mathematical model of neuromuscular adaptation to resistance training and its application in a computer simulation of accommodating loads

A large corpus of data obtained by means of empirical study of neuromuscular adaptation is currently of limited use to athletes and their coaches. One of the reasons lies in the unclear direct practical utility of many individual trials. This paper introduces a mathematical model of adaptation to resistance training, which derives its elements from physiological fundamentals on the one side, and empirical findings on the other. The key element of the proposed model is what is here termed the athlete’s capability profile. This is a generalization of length and velocity dependent force production characteristics of individual muscles, to an exercise with arbitrary biomechanics. The capability profile, a two-dimensional function over the capability plane, plays the central role in the proposed model of the training-adaptation feedback loop. Together with a dynamic model of resistance the capability profile is used in the model’s predictive stage when exercise performance is simulated using a numerical approximation of differential equations of motion. Simulation results are used to infer the adaptational stimulus, which manifests itself through a fed back modification of the capability profile. It is shown how empirical evidence of exercise specificity can be formulated mathematically and integrated in this framework. A detailed description of the proposed model is followed by examples of its application—new insights into the effects of accommodating loading for powerlifting are demonstrated. This is followed by a discussion of the limitations of the proposed model and an overview of avenues for future work.

Randomized trial of a population-based, home-delivered intervention for preschool language delay

OBJECTIVE: 

T2-T2 exchange in biofouled porous media

Recent two dimensional nuclear magnetic resonance (NMR) techniques access exchange in pore structures through surface relaxation and diffusion based relaxation [1-4]. This research applies these techniques to measure pore changes due to biofilm growth and the impact this growth has on diffusion transport. The porous media used in this study are model beadpacks constructed from borosilicate glass beads with diameters approximately 100 um. This research shows that through changes in the relaxation rates, NMR can be used to verity biofilm growth in porous media

Anisotropic hardening model based on non-associated flow rule and combined nonlinear kinematic hardening for sheet materials

 A material model for more effective analysis of plastic deformation of sheet materials is presented in this paper. The model is capable of considering the following aspects of plastic deformation behavior of sheet materials: the anisotropy in yielding stresses in different directions by using a quadratic yield function (based on Hill’s 1948 model and stress ratios), the anisotropy in work hardening by introducing non-constant flow stress hardening in different directions, the anisotropy in plastic strains in different directions by using a quadratic plastic potential function and non-associated flow rule (based on Hill’s 1948 model and plastic strain ratios, r-values), and finally some of the cyclic hardening phenomena such as Bauschinger’s effect and transient behavior for reverse loading by using a coupled nonlinear kinematic hardening (so-called Armstrong-Frederick-Chaboche model). Basic fundamentals of the plasticity of the model are presented in a general framework. Then, the model adjustment procedure is derived for the plasticity formulations. Also, a generic numerical stress integration procedure is developed based on backward-Euler method (so-called multistage return mapping algorithm). Different aspects of the model are verified for DP600 steel sheet. Results show that the new model is able to predict the sheet material behavior in both anisotropic hardening and cyclic hardening regimes more accurately. By featuring the above-mentioned facts in the presented constitutive model, it is expected that more accurate results can be obtained by implementing this model in computational simulations of sheet material forming processes. For instance, more precise results of springback prediction of the parts formed from highly anisotropic hardened materials or that of determining the forming limit diagrams is highly expected by using the developed material model.

Australian criminal law in the common law jurisdictions : cases and materials

 Australian Criminal Law in the Common Law Jurisdictions is a clear and comprehensive introduction to the fundamentals of criminal law. Updated throughout to reflect recent cases and legislation, the fourth edition combines clear case extracts with incisive author commentary and discussion.

A non-associated plasticity model with anisotropic and nonlinear kinematic hardening for simulation of sheet metal forming

A material model for more thorough analysis of plastic deformation of sheet materials is presented in this paper. This model considers the following aspects of plastic deformation behavior of sheet materials: (1) the anisotropy in yield stresses and in work hardening by using Hill's 1948 quadratic yield function and non-constant stress ratios which leads to different flow stress hardening in different directions, (2) the anisotropy in plastic strains by using a quadratic plastic potential function and non-associated flow rule, also based on Hill's 1948 model and r-values, and (3) the cyclic hardening phenomena such as the Bauschinger effect, permanent softening and transient behavior for reverse loading by using a coupled nonlinear kinematic hardening model. Plasticity fundamentals of the model were derived in a general framework and the model calibration procedure was presented for the plasticity formulations. Also, a generic numerical stress integration procedure was developed based on backward-Euler method, so-called multi-stage return mapping algorithm. The model was implemented in the framework of the finite element method to evaluate the simulation results of sheet metal forming processes. Different aspects of the model were verified for two sheet metals, namely DP600 steel and AA6022 aluminum alloy. Results show that the new model is able to accurately predict the sheet material behavior for both anisotropic hardening and cyclic hardening conditions. The drawing of channel sections and the subsequent springback were also simulated with this model for different drawbead configurations. Simulation results show that the current non-associated anisotropic hardening model is able to accurately predict the sidewall curl in the drawn channel sections.

Can panel data really improve the predictability of the monetary exchange rate model?

A common explanation for the inability of the monetary model to beat the random walk in forecasting future exchange rates is that conventional time series tests may have low power, and that panel data should generate more powerful tests. This paper provides an extensive evaluation of this power argument to the use of panel data in the forecasting context. In particular, by using simulations it is shown that although pooling of the individual prediction tests can lead to substantial power gains, pooling only the parameters of the forecasting equation, as has been suggested in the previous literature, does not seem to generate more powerful tests. The simulation results are illustrated through an empirical application. Copyright © 2007 John Wiley & Sons, Ltd.

Green marketing strategies

This chapter presents the fundamentals of “green” marketing by drawing on traditional marketing theory as well as researchfocused on green marketing context. It discusses five critical areas in green marketing. The first critical area stems from green marketingtheory and practice that examines the logic for reducing the environmental impact of value creation and exchange. The second criticalarea highlights green marketing strategy that focuses on achieving organizational goals in ways that can reduce or eliminate negativeimpacts on the natural environment. The third critical area examines the green marketing mix that accounts for green products, greendistribution, green pricing, and green promotion. By using traditional marketing concepts, the chapter identifies how the entiremarketing mix elements should consistently provide a complete green product offering. Green products and processes need to beresearched, designed, and manufactured to include environmentally safe ingredients and components. Products need to be strategicallypriced to reflect their green values, distributed in the green chain channels and displayed effectively to highlight their status, and accuratelycommunicated to consumers and stakeholders. The fourth critical area illustrates governance and control. It shows how theholistic transformation toward greening the organization requires organizational culture change to gain support within and outside thefirm to ensure environmental issues are appropriately considered. These can be assessed by using existing management mechanisms,such as environmental management systems and/or triple bottom line management, which ensure best practice and continuousimprovements to occur. Lastly, the chapter discusses the future of green marketing and the direction that businesses need to take if theyseek to be sustainable.

Additive manufacturing technologies : 3D printing, rapid prototyping, and direct digital manufacturing

This book covers in detail the various aspects of joining materials to form parts. A conceptual overview of rapid prototyping and layered manufacturing is given, beginning with the fundamentals so that readers can get up to speed quickly. Unusual and emerging applications such as micro-scale manufacturing, medical applications, aerospace, and rapid manufacturing are also discussed. This book provides a comprehensive overview of rapid prototyping technologies as well as support technologies such as software systems, vacuum casting, investment casting, plating, infiltration and other systems. This book also: Reflects recent developments and trends and adheres to the ASTM, SI, and other standards Includes chapters on automotive technology, aerospace technology and low-cost AM technologies Provides a broad range of technical questions to ensure comprehensive understanding of the concepts covered.

Deep ecology and Australian suburbia: learning from Aboriginal Australia philosophy

Naess’ Deep Ecology [50] represents a fundamental philosophical and conceptual shift from the dominant Western thinking that can be traced back to the Greek and Roman Empires. Like all philosophy, Naess’ Deep Ecology was born of and is most relevant to a specific time and place being northern Europe. Although the fundamentals of the Deep Ecology philosophy were new to modern Western thinking, it is not new to traditional Indigenous cultures, including the world’s oldest culture, that of Aboriginal Australia. While the past four decades has seen an increasing recognition of Aboriginal philosophical approaches, there is very little understanding of what this philosophical approach is and means for the management of the Australian environment in which humans are a central part. Since European arrival, Australia has been one of the world’s most urban societies. Unlike northern Europe, urban Australia is low density and suburban, a legacy of British and North American influences. Nearly 90% of Australians live in detached houses surrounded by gardens. Managed by individual residents, this land use accounts for about 70% of the total area of cities like Melbourne. Deeply culturally embedded, the Australian desire for living in low-density suburbs is unlikely to change soon. Contemporary cities are widely recognized as causing severe environmental degradation and are not sustainable. Yet in Australia introduced philosophical and design approaches are still used to address the unsustainable impacts of urban forms introduced from another time and place. While impractical to remove the existing suburban form in Australian cities, there is a significant opportunity to retrofit them using Australian Aboriginal philosophical and land management understandings developed and tested over tens of thousands of years. This paper establishes a contemporary Australian Deep Ecology philosophical approach to sustainably living in the suburbs that recognizes and works with the legacies of Australian Aboriginal, English, North American and contemporary Australian influences.

Language functioning, mental health and alexithymia in incarcerated young offenders

Purpose: Previous studies describe high rates of language impairment in young offenders; however, important correlates such as mental health status and alexithymia have received little attention.
Method: This study describes a cross-sectional study of the language, emotion recognition and mental health of 100 young people completing custodial sentences in New South Wales (Australia). The sample comprised 70 young people from nonindigenous
backgrounds (n¼60 male) and 30 from indigenous backgrounds (n¼25 male). The mean age of the sample was 17.1 years. It was hypothesized that, in addition to elevated rates of language impairment, alexithymia would be overrepresented in this group. It was further predicted that impoverished language skills would contribute to alexithymia scores.
Result: Only a quarter of the sample overall achieved Clinical Evaluation of Language Fundamentals (CELF-4) Core Language Scores in the expected range; rates of language impairment were higher in indigenous males than in nonindigenous males and in the females. Alexithymia was present in 59% of the sample, but appeared to be associated with poor mental health, rather than with language impairment.
Conclusion: Interventions for young offenders (e.g. psychological counselling, restorative justice conferencing) should be framed around these difficulties. Validated language measures for use with young indigenous offenders are needed.

Industrial lab-on-a-chip: design, applications and scale-up for drug discovery and delivery

Microfluidics is an emerging and promising interdisciplinary technology which offers powerful platforms for precise production of novel functional materials (e.g., emulsion droplets, microcapsules, and nanoparticles as drug delivery vehicles- and drug molecules) as well as high-throughput analyses (e.g., bioassays, detection, and diagnostics). In particular, multiphase microfluidics is a rapidly growing technology and has beneficial applications in various fields including biomedicals, chemicals, and foods. In this review, we first describe the fundamentals and latest developments in multiphase microfluidics for producing biocompatible materials that are precisely controlled in size, shape, internal morphology and composition. We next describe some microfluidic applications that synthesize drug molecules, handle biological substances and biological units, and imitate biological organs. We also highlight and discuss design, applications and scale up of droplet- and flow-based microfluidic devices used for drug discovery and delivery.

Freshman residential schools for undergraduate on-campus and on-line engineering students

By means of evidence-based practice, this paper describes the residential-school component of an accredited online (distance education) undergraduate engineering program in Australia, with a particular focus on how the residential school program is implemented at freshman year. During these residential schools, activities were organised around the respective engineering courses undertaken by students during the semester. Elements considered suitable and worthwhile for inclusion in residential-school programs included: • In-person engagement with academic lecturers, • Practical and laboratory learning activities, • Presentations and interaction with guest speakers from industry, • Industry-based site visits, • Engagement in sole and group-based learning and assessment activities on campus, and • Social interaction with other students. After running pilot residential schools for two years, it was found that a workable format consisted in a two-week residential experience in the first semester, linked to two key freshman courses, Fundamentals of Technology Management, and Engineering Physics. On-campus and online students’ academic grades were compared for both courses over the years 2005 to 2012. We found that for physics lab, on-campus students’ grades tended to be higher than those for online students, and vice versa for technology management. We also conclude that when carefully designed, residential schools for online students do enhance learning for both online students and their on-campus counterparts.

From the inside to the outside. Architecture Venice Biennales 2014 and 2016

The comparison between the Position Statements of the latest two Venice Biennale of Architecture, Fundamentals, directed by Rem Koolhaas in 2014 and Reporting from the front that Alejandro Aravena prepares for 2016, is an evident sign of the internal stress that architectural practice has been suffering during the last decade. Koolhaas intensively focused on the immediate past whilst Aravena presents a Biennalle strongly decided to explore possible alternatives for the future of Architecture. The first one tried to define the core, theessence, the most elemental particles that utterly compose Architecture. The second looks at the boundaries, the periphery, the outskirts, the limits of the discipline. Fundamentals was theoretical, personal, abstract, compact and aesthetic. Reporting from the front will be practical, collective, concrete, permeable and ethical. This fertile antagonism or counterpoint between both approaches is too frequently understood as incompatible. However, as a matter of fact the coexistence of these two different perspectives within architectural practice is the mostdistinctive feature of the complex contemporary architectural landscape. The insertion of the analysis of both position statements within the historical evolution of the Venice Bienale since 1980, allows a reinterpretation of the antagonism between the two exhibitions and evidences some lines of thought and action in the architectural world. Following the war industry terminology that Report from the front has chosen, Aravena identifies with precision the theatre of operations; the space and time that is requesting an urgent response from architecture.Previously Koolhaas had defined the armament that Architecture has available to undertake this crucial mission: to define the role and relevance of Architecture in the immediate future. Until now, battles in the front have been a guerrilla warfare. More reactive than proactive. Battles for survival more than for experience. Necessary but, at the same time, insufficient. Valuable actions in radical contexts; heroic acts in extreme situations; occasional infiltrations that find their final reason for being in their own audacity. Time has come for these counterattackarchitectures to evolve from protests to proposals.