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Articles 1 - 21 of 21
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Geographic Variation In The Presence Of Polymorphisms In Painted Dragons, Dallys Baker
Geographic Variation In The Presence Of Polymorphisms In Painted Dragons, Dallys Baker
Science, Medicine & Health - Honours Theses
Response to colour stimuli within the animal kingdom is responsible for the evolution of many different visual ornaments across a range of species. Within many species males and females utilise colourful patterns and plumages to attract the attention of a mate, warn predators of toxicity and signal body condition and genetic prowess. However, the creation and maintenance of pigments by animals is not a simple task with a variety of types of pigment-producing cells such as melanophores, iridophores and xanthophores, capable of producing a wide range of pigments and iridescent shines. How colour is perceived by surrounding individuals also affects …
Competition Between Cubic And Tetragonal Phasesin All-D-Metal Heusler Alloys, X2-Xmn1+Xv (X= Pd, Ni, Pt, Ag, Au, Ir, Co; X= 1, 0): A New Potential Direction Of The Heusler Family, Yilin Han, Mengxin Wu, Yu Feng, Zhenxiang Cheng, Tingting Lin, Tie Yang, Rabah Khenata, Xiaotian Wang
Competition Between Cubic And Tetragonal Phasesin All-D-Metal Heusler Alloys, X2-Xmn1+Xv (X= Pd, Ni, Pt, Ag, Au, Ir, Co; X= 1, 0): A New Potential Direction Of The Heusler Family, Yilin Han, Mengxin Wu, Yu Feng, Zhenxiang Cheng, Tingting Lin, Tie Yang, Rabah Khenata, Xiaotian Wang
Australian Institute for Innovative Materials - Papers
In this work, a series of all-d-metal Heusler alloys, X 2 - x Mn 1 + x V (X = Pd, Ni, Pt, Ag, Au, Ir, Co; x; = 1, 0), were predicted by first principles. The series can be roughly divided into two categories: XMn 2 V (Mn-rich type) and X 2 MnV (Mn-poor type). Using optimized structural analysis, it is shown that the ground state of these all-d-metal Heusler alloys does not fully meet the site-preference rule for classic full-Heusler alloys. All the Mn-rich type alloys tend to form the L2 1 structure, where the two Mn atoms …
Investigating The Combined Role Of The Introduced Honeybee (Apis Mellifera) And Magnet Plants On The Pollination Of Both Native And Exotic Plants In Australian Ecosystems, Amy-Marie Gilpin
University of Wollongong Thesis Collection 2017+
In Australia, the effects of introduced mass flowering species and their interaction with exotic pollinators, such as the European honeybee (Apis mellifera), on the pollination systems of native plants have been largely unstudied. In the northern hemisphere, resource-rich plants have been shown to have the potential to draw pollinators from the surrounding matrix, resulting in them acting as ‘magnet plants’. Such magnets may comprise of an individual plant, a cluster of plants or entire population of plants. Two possible outcomes exist for any co-flowering species that offer contrasting levels of floral reward. Firstly, spill-over effects may lead to increases in …
The Context-Dependency Of Predator-Prey And Competitive Interactions Between The Invasive Eastern Mosquitofish, Gambusia Holbrooki, And Native Australian Freshwater Fauna, Laura Kate Lopez
University of Wollongong Thesis Collection 2017+
Invasive species can exert significant deleterious effects on native individuals, populations and communities. Freshwater ecosystems are especially vulnerable to invasion, due to their close association with anthropogenic activity and limited biogeographic connectivity. Understanding the behavioural mechanisms which underlie predator-prey and competitive interactions between invasive and native species is critical when predicting the impacts of invasive species on freshwater habitats. However, due to the predominance of indirect experimental methods, these mechanisms are seldom identified. Furthermore, behavioural mechanisms, and subsequently, invasive-native species interactions may be mediated by environmental and individual-level context. Here I used both direct and indirect methods to determine whether …
'Identity' And Governance In Synthetic Biology: Norms And Counter Norms In The 'International Genetically Engineered Machine' (Igem) Competition, David W. Mercer
'Identity' And Governance In Synthetic Biology: Norms And Counter Norms In The 'International Genetically Engineered Machine' (Igem) Competition, David W. Mercer
Faculty of Law, Humanities and the Arts - Papers (Archive)
A number of commentaries preoccupied with the legal, social and ethical implications of synthetic biology have emphasised that an important element shaping options for its future governance will be the normative ethos that is adopted by the emerging field. One venue that has regularly been identified as central to the development of this normative ethos is the International Genetically Engineered Machine (iGEM) Competition, an annual synthetic biology competition, which attracts thousands of students from across the world. The ideal values promoted by iGEM of collaboration, interdisciplinarity, sharing of results, and overt commitment to the consideration of social and ethical implications …
Predicting Additive And Non-Additive Genetic Effects From Trials Where Traits Are Affected By Interplot Competition, Colleen H. Hunt, Alison B. Smith, David R. Jordan, Brian R. Cullis
Predicting Additive And Non-Additive Genetic Effects From Trials Where Traits Are Affected By Interplot Competition, Colleen H. Hunt, Alison B. Smith, David R. Jordan, Brian R. Cullis
Faculty of Engineering and Information Sciences - Papers: Part A
There are two key types of selection in a plant breeding program, namely selection of hybrids for potential commercial use and the selection of parents for use in future breeding. Oakey et al. (in Theoretical and Applied Genetics 113, 809-819, 2006) showed how both of these aims could be achieved using pedigree information in a mixed model analysis in order to partition genetic effects into additive and non-additive effects. Their approach was developed for field trial data subject to spatial variation. In this paper we extend the approach for data from trials subject to interplot competition. We show how the …
An Evaluation Of Ferrihydrite- And Metsorb™-Dgt Techniques For Measuring Oxyanion Species (As, Se, V, P): Effective Capacity, Competition And Diffusion Coefficients, Helen L. Price, Peter R. Teasdale, Dianne F. Jolley
An Evaluation Of Ferrihydrite- And Metsorb™-Dgt Techniques For Measuring Oxyanion Species (As, Se, V, P): Effective Capacity, Competition And Diffusion Coefficients, Helen L. Price, Peter R. Teasdale, Dianne F. Jolley
Faculty of Science, Medicine and Health - Papers: part A
tThis study investigated several knowledge gaps with respect to the diffusive gradients in thin films(DGT) technique for measurement of oxyanions (As(III), As(V), Se(IV), Se(VI), PO43−, and V(V)) usingthe ferrihydrite and MetsorbTMbinding layers. Elution efficiencies for each binding layer were higherwith 1:20 dilutions, as analytical interferences for ICP-MS were minimised. Diffusion coefficients mea-sured by diffusion cell and by DGT time-series experiments were found to agree well and generallyagreed with previously reported values, although a range of diffusion coefficients have been reportedfor inorganic As and Se species. The relative binding affinity for both ferrihydrite and MetsorbTMwasPO43−≈ As(V) > V(V) ≈ As(III) > Se(IV) ≫ …
Competition Or Collaboration? The Effect Of Non-Profit Brand Image On Volunteer Recruitment Strategy, Melanie Randle, Friedrich Leisch, Sara Dolnicar
Competition Or Collaboration? The Effect Of Non-Profit Brand Image On Volunteer Recruitment Strategy, Melanie Randle, Friedrich Leisch, Sara Dolnicar
Faculty of Business - Papers (Archive)
With increasing numbers of non-profit organizations and higher demand for a wider range of social services, the need for volunteers has never been greater. There is general agreement that competition within the sector is increasing, and this has led to organizations placing greater emphasis on building strong brand images to differentiate themselves from competitors. However, there are also many instances where non-profits have successfully collaborated with each other to achieve efficiencies and meet objectives. The purpose of this exploratory study is to examine, which of these approaches - competition or collaboration - is more appropriate for the challenge of volunteer …
Competition Strength Of Two Significant Invasive Species In Coastal Dunes, K French
Competition Strength Of Two Significant Invasive Species In Coastal Dunes, K French
Faculty of Science - Papers (Archive)
To investigate the effect of increased nutrient availability on competition amongst invasive and native plants, I measured changes in above and below ground biomass of Chrysanthemoides monilifera spp. rotundata (bitou bush) and Asparagus aethiopicus (asparagus fern) competing with two native species, Banksia integrifolia and Ficinia nodosa, under highand low-nutrient regimes. Bitou bush, as a primary invader, was competitive under all conditions lowering the growth of native species in both high and low nutrients. Asparagus fern as a secondary invader, did not influence growth of native species but responded, like bitou bush, to high nutrients. Native species were generally negatively …
Competition Between The Crystal Field And The Exchange Field In Er3+ Doped Ndmno3, Fang Hong, Zhenxiang Cheng, Xiaolin Wang, S X. Dou
Competition Between The Crystal Field And The Exchange Field In Er3+ Doped Ndmno3, Fang Hong, Zhenxiang Cheng, Xiaolin Wang, S X. Dou
Faculty of Engineering - Papers (Archive)
A careful investigation of specific heat shows that the ground state splitting of Nd3þ has been modified by the Er3þ doping, as it shows a nonlinear dependence on the Er3þ doping rate, due to the competition between the crystal field and the exchange field. This competition could be further confirmed by the anomalies in the magnetic entropy and the ground state splitting found in Nd0.9Er0.1MnO3. On the contrary, the ground state splitting of Er3þ has a linear dependence on the doping rate, indicating its stronger dependence on the crystal field rather than the exchange field.
Small Molecule Antagonists Of The Urokinase (Upa): Urokinase Receptor (Upar) Interaction With High Reported Potencies Show Only Weak Effects In Cell-Based Competition Assays Employing The Native Upar Ligand, Melissa De Souza, Hayden Matthews, Jodi A. Lee, Marie Ranson, Michael J. Kelso
Small Molecule Antagonists Of The Urokinase (Upa): Urokinase Receptor (Upar) Interaction With High Reported Potencies Show Only Weak Effects In Cell-Based Competition Assays Employing The Native Upar Ligand, Melissa De Souza, Hayden Matthews, Jodi A. Lee, Marie Ranson, Michael J. Kelso
Illawarra Health and Medical Research Institute
Binding of the urokinase-type plasminogen activator (uPA) to its cell-surface-bound receptor uPAR and upregulation of the plasminogen activation system (PAS) correlates with increased metastasis and poor prognosis in several tumour types. Disruptors of the uPA:uPAR interaction represent promising anti-tumour/metastasis agents and several approaches have been explored for this purpose, including the use of small molecule antagonists. Two highly potent non-peptidic antagonists 1 and 2 (IC50 1 = 0.8 nM, IC50 2 = 33 nM) from the patent literature were reportedly identified using competition assays employing radiolabelled uPAR-binding uPA fragments and appeared as useful pharmacological tools for studying the PAS. Before …
Strong Competition Between The Delta L And Delta T-C Flux Pinning Mechanisms In Mgb2 Doped With Carbon Containing Compounds, Shaban R. Ghorbani, Xiaolin Wang, Md S. Hossain, Qiwen Yao, S X. Dou, Sung-Ik Lee, K C. Chung, Y K. Kim
Strong Competition Between The Delta L And Delta T-C Flux Pinning Mechanisms In Mgb2 Doped With Carbon Containing Compounds, Shaban R. Ghorbani, Xiaolin Wang, Md S. Hossain, Qiwen Yao, S X. Dou, Sung-Ik Lee, K C. Chung, Y K. Kim
Australian Institute for Innovative Materials - Papers
The transport and magnetic properties of 10 wt % malic acid and 5 wt % nanocarbon doped MgB2 have been studied by measuring the resistivity (p), critical current density (jc), connectivity factor (AF), irreversibility field (Hirr), and upper critical field (Hc2). The pinning mechanisms are studied in terms of the collective pinning model. It was found that both mean free path (δl) and critical temperature (δTc) pinning mechanisms coexist in both doped MgB2. For both the malic acid and nanocarbon …
Bitou Bush Invasion Is Facilitated By Soil Chemistry Changes Which Inhibit The Growth Of Native Plants, Emilie-Jane Ens, Kris French, John B. Bremner
Bitou Bush Invasion Is Facilitated By Soil Chemistry Changes Which Inhibit The Growth Of Native Plants, Emilie-Jane Ens, Kris French, John B. Bremner
Faculty of Science, Medicine and Health - Papers: part A
Bitou bush is a weed of national significance and has been declared as a key threatening process in NSW. We aimed to strengthen the scientific understanding of the mechanisms of invasion by investigating potential allelopathy and indirect soil chemical effects. Our study compared whether extracts of bitou bush leaves, roots and soil had a different effect on the seedling growth of a range of native species compared to comparable extracts from an acacia, the native dominant in the non-invaded system. We found that bitou bush roots released significantly higher concentrations of sesquiterpenes into the soil, compared to the acacia. Corresponding …
How Much Do Kangaroos Of Differing Age And Size Eat Relative To Domestic Stock?: Implications For The Arid Rangelands, Terence Dawson, Adam Munn
How Much Do Kangaroos Of Differing Age And Size Eat Relative To Domestic Stock?: Implications For The Arid Rangelands, Terence Dawson, Adam Munn
Faculty of Science, Medicine and Health - Papers: part A
Over more than a century there has been debate about the interactions of kangaroos and introduced domestic stock, especially sheep, in the semi-arid and arid rangelands. The potential for competition between the species is still controversial, with pastoralists generally assuming that exploitative competition is a continuing feature of the rangelands, with competition by kangaroos leading to reduced stock production and carrying capacity. The current scientific consensus is that in the arid rangelands such competition is not common and occurs largely during dry periods when pasture is sparse. Competition is probably most persistent in more degraded environments. There is still debate …
The International Volunteering Market: Market Segments And Competitive Relations, Sara Dolnicar, Melanie J. Randle
The International Volunteering Market: Market Segments And Competitive Relations, Sara Dolnicar, Melanie J. Randle
Faculty of Commerce - Papers (Archive)
The number of nonprofit and social agencies relying on the help of volunteers has grown enormously in recent decades. This has lead to increased competition between these organisations for the limited resources available, and the growing adoption of what have traditionally been considered ‘commercial’ business techniques such as marketing. There have been calls for greater and more sophisticated use of ‘tried and tested’ marketing concepts such as competition, segmentation, and positioning to help volunteering organisations manage this pressure effectively. This study shines the spotlight on individuals who volunteer for multiple types of organisations in an effort to determine which organisations …
Fighting For Volunteers’ Time: Competition In The International Volunteering Industry, Sara Dolnicar, Melanie J. Randle
Fighting For Volunteers’ Time: Competition In The International Volunteering Industry, Sara Dolnicar, Melanie J. Randle
Faculty of Commerce - Papers (Archive)
Despite increased competitive pressures in the volunteering industry, the structure of competition within this non-profit sector has not been examined in the past. This study uses selected respondents from the 1999-2002 World Values Survey who have previously volunteered for multiple organisations. Based on the patterns of organisations that volunteers donated their time for, competition between volunteering organisations with different missions was analysed, resulting in five dimensions of volunteering missions within which volunteering organisations appear to be competing: altruistic, leisure, political, church, and other missions. The altruistic mission groups is the broadest and includes a wide variety of volunteering goals, whereas …
Disturbance-Mediated Competition And The Spread Of Phragmites Australis In A Coastal Marsh, Todd Minchinton, Mark D. Bertness
Disturbance-Mediated Competition And The Spread Of Phragmites Australis In A Coastal Marsh, Todd Minchinton, Mark D. Bertness
Faculty of Science, Medicine and Health - Papers: part A
In recent decades the grass Phragmites australis has been aggressively invading coastal, tidal marshes of North America, and in many areas it is now considered a nuisance species. While P. australis has historically been restricted to the relatively benign upper border of brackish and salt marshes, it has been expanding seaward into more physiologically stressful regions. Here we test a leading hypothesis that the spread of P. australis is due to anthropogenic modification of coastal marshes. We did a field experiment along natural borders between stands of P. australis and the other dominant grasses and rushes (i.e., matrix vegetation) in …
Competition And Innovation: Small And Medium Enterprises In The New Economy, Boon-Chye Lee
Competition And Innovation: Small And Medium Enterprises In The New Economy, Boon-Chye Lee
Faculty of Commerce - Papers (Archive)
The advent of the "New Economy" has important implications for how small and medium-sized enterprises will compete. This. paper proceeds by examining the key characteristics of the industries of the New Economy, and what they mean from the perspectIve of innovation and competition for SMEs.
Getting More Out Of Three Way Data - Simultaneous Market Segmentation And Positioning Applying Perceptions Based Market Segmentation (Pbms), Sara Dolnicar
Faculty of Commerce - Papers (Archive)
Perceptions based market segmentation (PBMS) is a simple framework for market structure analysis integrating the issues of segmentation and positioning. The only requirement is the availability of three-way data (numerous respondents evaluate numerous brands according to numerous attributes). The implicit consideration of interrelations between positioning and segmentation prevents unharmonized strategic marketing decisions and enables managers with clear strategic goals to analyze market information in depth and arrive at a profound basis for segmentation and positioning decisions. In this study, PBMS is applied to deodorant data. The simultaneous treatment of all three data dimensions enables insights into deodorant brand images (among …
On The Organisation Of Smes And Economic Growth In The Usa And Japan, E. Sanidas
On The Organisation Of Smes And Economic Growth In The Usa And Japan, E. Sanidas
Faculty of Business - Economics Working Papers
The total number of firms, out of which around at least 95 to 99 per cent (or even more) are SMEs approximates the degree of competition that exists in each country and within each sector of a national economy. A historical examination of the American and Japanese firm evolutions, which shows a divergence in industrial organisation between the companies in the USA and Japan provides a qualitative evidence to this role of competition. Also, the same historical trip reveals the close relationship, which prevails between the degree of competition as represented by the total number of firms and the speed …
Competition For Herbage By Phaulacridium Vittatum (Sjostedt) (Orthoptera:Acrididae) And Sheep During Summer Drought, P Bailey, A B. Frensham, A Hincks, M Newton
Competition For Herbage By Phaulacridium Vittatum (Sjostedt) (Orthoptera:Acrididae) And Sheep During Summer Drought, P Bailey, A B. Frensham, A Hincks, M Newton
Faculty of Engineering and Information Sciences - Papers: Part A
No abstract provided.