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1
Donahue, Daniel Joseph. "Oviposition and dispersal responses of the two spotted spider mite Tetranychus urticae Koch (Acari: Tetranychidae) to fenvalerate and permethrin residues in soybeans Glycine max (L) Merrill". Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/50077.
Testo completoAbstract (sommario):
Laboratory experiments were conducted to evaluate Tetranychus urticae Koch dispersal response to fenvalerate and permethrin. A petri dish spider mite trap which allows the partitioning of the dispersal response into spindown and walkoff categories was developed. Fenvalerate induced the more severe dispersal response.
A greenhouse experiment was conducted to evaluate Tetranychus urticae oviposition site selection in response to residues of fenvalerate and permethrin, at two levels of residue deposition. When pyrethroid-free leaf surface was available, nearly all eggs were found on the untreated surface, away from the pyrethroid residues. When pyrethroid-free leaf surface was not available, a substantial number of eggs were found suspended by silk threads above the treated surface. The results were found to be in agreement with the general pyrethroid avoidance hypothesis.
A series of greenhouse experiments were conducted to evaluate Tetranychus urticae oviposition response following impingement, and contact with residues of fenvalerate and permethrin. In all instances the pyrethroids were found to reduce the number of eggs oviposited. Mites recovered after several days, and oviposition returned to normal. The results did not lend support to the hormoligosis hypothesis of insecticide induced mite outbreaks.
Field and greenhouse experiments were conducted to evaluate Tetranychus urticae oviposition response, over time, to soybeans which have received an application of fenvalerate of permethrin. The pyrethroids did not alter the soybeans in a way which improved the quality of the plant as a resource for increased levels of spider mite oviposition.Master of Science
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2
Doichev, Nickola. "Architectural tales". Thesis, Virginia Polytechnic Institute and State University, 1996. http://hdl.handle.net/10919/53417.
Testo completoAbstract (sommario):
“Images haunt… Images are not quite ideas, they are stiller than that, with less implication outside themselves. And they are not myth, they do not have that explanatory power; they are nearer to pure story. Nor are they always metaphors; they do not say this is that, they this is. In the nineteenth century one would have said that what compelled about them was a sense of the eternal. And it is something like that, some feeling in the arrest of the image that what perishes and what lasts forever have been brought into conjunction, and accompanying that sensation is a feeling of release from the self.”
Robert HassMaster of Architecture
3
Doktor, Christopher A. "Development of a statistical method for validating ESDM strain-field output". Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-01242009-063032/.
Testo completo
4
Dolan, James P. "Microwave freeze-drying of aqueous solutions". Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12052009-020317/.
Testo completo
5
Dolloff, Paul A. "An improved bus protection technique with dissimilar current transformers". Thesis, Virginia Tech, 1995. http://hdl.handle.net/10919/46432.
Testo completo
6
Dolloff, Paul A. "Optimization in electrical distribution systems : Discrete Ascent Optimal Programming /". Diss., This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-06062008-151439/.
Testo completo
7
Donohue, Joan M. "The use of correlated simulation experiments in response surface optimization". Diss., Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/53689.
Testo completoAbstract (sommario):
Response surface methodology (RSM) provides a useful framework for the optimization of stochastic simulation models. The sequential experimentation and model fitting procedures of RSM enable prediction of the response and location of the optimum operating conditions. In a simulation environment, the experimentation phase of RSM involves selecting the input variable levels for each simulation run and assigning pseudorandom number streams to the stochastic model components. Through an appropriate assignment of random number streams to simulation runs, correlation among the simulated responses can be induced, thereby affecting reductions in the variances of certain model coefficients. Three methods of correlation induction are considered in this research: (i) no correlation induction, achieved through the use of independent streams, (ii) positive correlation induction, achieved through the use of common streams, and (iii) a combination of positive and negative correlation induction, achieved through the use of the assignment rule blocking strategy.
The performance of the correlation induction strategies is evaluated in terms of two mean squared error design criteria; MSE of response and MSE of slope. The MSE of slope criteria is useful in the early stages of RSM, when the experimental objective is location of the region containing the optimum. The MSE of response criteria is useful in the latter stages of RSM, when the experimental objective is prediction of the optimum response. The correlation induction strategies are evaluated under two experimental situations; fitting a first order model while protecting against quadratic curvature in the response surface, and fitting a second order model while protecting against cubic curvature. In the case of fitting a first order model, two-level factorial designs are used to evaluate the correlation induction strategies, and in the second order case, four design classes are considered; central composite designs, Box-Behnken designs, three-level factorial designs, and small composite designs.
The findings of this research indicate that the assignment rule blocking strategy generally performs the best of the three strategies under both MSE criteria, and the performance of this strategy improves as the magnitudes of the induced correlations increase. The independent streams strategy is a poor choice when the design criteria is MSE of slope and the common streams strategy is a poor choice when the design criteria is MSE of response. The central composite and Box-Behnken designs were found to perform the best of the four second order design classes. The three-level factorial designs performed poorly under MSE of response criteria and the small composite designs performed poorly under the MSE of slope criteria.Ph. D.
8
Domecq, Joseph John. "Development of an expert system for the evaluation of reproductive performance and management of Virginia dairy farms". Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/41979.
Testo completo
9
Forde, Peter. "Comparative ecology of muntjac Muntiacus reevesi and roe deer Capreolus capreolus in a commercial coniferous forest". Thesis, University of Bristol, 1989. http://hdl.handle.net/1983/c1d0f952-d672-4cbc-ad99-02096105ceb1.
Testo completo
10
Lai, Lan Heung Serina. "Collaborative learning experience in project groups : an analysis of collaborative process and discourse patterns in peer discussions of college students in Hong Kong". Thesis, University of Bristol, 2011. http://hdl.handle.net/1983/889467de-d651-4973-b9aa-d3919d473c6d.
Testo completo
11
Dod, William Thomas. "Robert Thompson and Vietnam: a historical analogy taken out of context by U.S. leaders". Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/41919.
Testo completo
12
Liang, Yu-Hsuan. "Mass dependent isotopic fractionation of molybdenum in the solar system". Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:4ad9f7d2-d622-4e62-a188-690d0bb539d6.
Testo completoAbstract (sommario):
Mass dependent isotope fractionation of stable isotopes between meteorites and planetary materials has been used to assess processes that occurred during formation of Earth and its core. However, thus far little is known about the mass dependent isotope fractionation of Mo in the solar system, and at high temperatures in the Earth, in particular during mantle processes. Molybdenum is a refractory and moderately siderophile element. The processes that might have fractionated Mo in the early solar system include condensation and evaporation of dust grains, metal-silicate segregation, core crystallization, silicate and sulphide melting and aqueous alteration. In order to investigate the processes fractionating Mo isotopes, it is first necessary to assess how much fractionation takes place during mantle melting, estimate the isotopic composition of the bulk silicate Earth, and then make comparisons with primitive and differentiated meteorites. I present double spike Mo isotope data for forty-two mafic and seven ultramafic samples from diverse locations, and nineteen extra-terrestrial samples. The delta98/95Mo values of all the terrestrial samples (normalized to NIST SRM 3134) exhibit a significant range from +0.53±0.21 to -0.56±0.09‰. The compositions of mid-ocean ridge basalts (MORBs) (+0.03±0.07‰, 2s.d.) and ultramafic rocks (+0.38±0.15‰, 2 s.d.) are relatively uniform and well resolved, providing evidence of fractionation associated with partial melting. In contrast intraplate and ocean island basalts (OIBs) display significant variability within a single locality from MORB-like to strongly negative (-0.56‰). The most extreme values measured are for nephelinites from the Cameroon Line and Trinidade, which also have anomalously high Ce/Pb and low Mo/Ce relative to normal oceanic basalts. The observed relationships between delta98/95Mo and Ce/Pb, U/Pb and Mo/Ce provide evidence that sulphide plays a critical role in retaining Mo in the mantle and fractionating its isotopic composition in basaltic magmas. If residual sulphides are responsible the Mo isotopic composition, Mo budget of the bulk silicate Earth will be misrepresented by values estimated from basalts. On this basis a revised best estimate of the Mo content in the bulk silicate Earth (BSE) ranging between 251 to 268 ppb is derived, approximately 6 times higher than previously assumed, and similar to the levels of depletion in refractory siderophile elements such as W, Ni and Co. This significantly ameliorates the argument for Mo removal via late stage sulphide extraction to the core. The Mo isotopic composition of the BSE (0.35‰) is distinct from the delta98/95Mo values found in primitive and iron meteorites. Although Mo isotopic fractionation varies between different phases within a single iron meteorite, and occurs during fractional crystallization in asteroidal cores, most iron meteorites have ddelta98/95MoSRM3134 (-0.14 to -0.06‰) that are similar to ordinary and CI carbonaceous chondrite (-0.12 to -0.09‰). This range of delta98/95Moo is not only significantly lighter than the BSE, but also enstatite chondrites, which have delta98/95Mo values of 0.04 to 0.13‰. Several possible explanations are proposed. (A) Core-mantle differentiation fractionates Mo isotopes. The recently proposed Mo effect of sulphide liquid removal is likely to be minor because this should have generated a light Mo isotope composition for the BSE. However, isotopic fractionation associated with metal-silicate partitioning may be responsible for the heavy Mo in the BSE. (B) A distinct isotopic composition for the late material that contributed Mo to the BSE. Enstatite chondrites (or other putative groups of chondrites with a heavy Mo isotope composition) and sulphur-rich components form the cores of impacting bodies are the most likely candidates that could deliver heavy Mo to Earth. (C) The Mo isotopic composition of the Solar System is heterogeneous in a mass dependent fashion such that heavier Mo isotopes are enriched in the section of the disk from which Earth accreted. There are some difficulties behind each of these models and further work is needed to determine which is correct.
13
Chen, Yi-Chuan. "The facilitatory crossmodal effect of auditory stimuli on visual perception". Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:36dcc0ec-d655-423d-8191-a83d9fd76886.
Testo completoAbstract (sommario):
The aim of the experiments reported in this thesis was to investigate the multisensory interactions taking place between vision and audition. The focus is on the modulatory role of the temporal coincidence and semantic congruency of pairs of auditory and visual stimuli. With regards to the temporal coincidence factor, whether, and how, the presentation of a simultaneous sound facilitates visual target perception was tested using the equivalent noise paradigm (Chapter 3) and the backward masking paradigm (Chapter 4). The results demonstrate that crossmodal facilitation can be observed in both visual detection and identification tasks. Importantly, however, the results also reveal that the sound not only had to be presented simultaneously, but also reliably, with the visual target. The suggestion is made that the reliable co-occurrence of the auditory and visual stimuli provides observers with the statistical regularity needed to assume that the visual and auditory stimuli likely originate from the same perceptual event (i.e., that they in some sense 'belong together'). The experiments reported in Chapters 5 through 8 were designed to investigate the role of semantic congruency on audiovisual interactions. The results of the experiments reported in Chapter 5 revealed that the semantic context provided by the soundtrack that a person happens to be listening to can modulate his/her visual conscious perception in the binocular rivalry situation. In Chapters 6-8, the timecourse of audiovisual semantic interactions were investigated using categorization, detection, and identification tasks on visual pictures. The results suggested that when the presentation of the sound leads the presentation of a picture by more than 240 ms, it induces a crossmodal semantic priming effect. In addition, when the presentation of the sound lags a semantically-congruent picture by about 300 ms, it enhances performance, presumably by helping to maintain the visual representation in short-term memory. The results indicate that audiovisual semantic interactions constitute a heterogeneous group of phenomena. A crossmodal type-token binding framework is proposed to account for the parallel processing of the spatiotemporal and semantic interactions of multisensory inputs. The suggestion is that the congruent information in the type and token representation systems would integrate, and they finally bind into a unified multisensory object representation.
14
Bantawa, Bipana. "Examining the structures and practices for knowledge production within Galaxy Zoo : an online citizen science initiative". Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:574067c5-d6c2-4440-bdcb-746c5be97298.
Testo completoAbstract (sommario):
This study examines the ways in which public participation in the production of scientific knowledge, influences the practices and expertise of the scientists in Galaxy Zoo, an online Big Data citizen science initiative. The need for citizen science in the field of Astronomy arose in response to the challenges of rapid advances in data gathering technologies, which demanded pattern recognition capabilities that were too advanced for existing computer algorithms. To address these challenges, Galaxy Zoo scientists recruited volunteers through their online website, a strategy which proved to be remarkably reliable and efficient. In doing so, they opened up the boundaries of scientific processes to the public. This shift has led to important outcomes in terms of the scientific discovery of new Astronomical objects; the creation and refining of scientific practices; and the development of new forms of expertise among key actors while they continue to pursue their scientific goals. This thesis attempts to answer the over-arching research question: How is citizen science shaping the practices and expertise of Galaxy Zoo scientists? The emergence of new practices and development of the expertise in the domain of managing citizen science projects were observed through following the work of the Galaxy Zoo scientists and in particular the Principal Investigator and the project's Technical Lead, from February 2010 to April 2013. A broadly ethnographic approach was taken, which allowed the study to be sensitive to the uncertainty and unprecedented events that characterised the development of Galaxy Zoo as a pioneering project in the field of data-intensive citizen science. Unstructured interviewing was the major source of data on the work of the PI and TL; while the communication between these participants, the broader Science Team and their inter-institutional collaborators was captured through analyses of the team emailing list, their official blog and their social media posts. The process of data analysis was informed by an initial conceptualisation of Galaxy Zoo as a knowledge production system and the concept of knowledge object (Knorr-Cetina,1999), as an unfolding epistemic entity, became a primary analytical tool. Since the direction and future of Galaxy Zoo involved addressing new challenges, the study demanded periodic recursive analysis of the conceptual framework and the knowledge objects of both Galaxy Zoo and the present examination of its development. The key findings were as follows. The involvement of public volunteers shaped the practices of the Science Team, while they pursued robust scientific outcomes. Changes included: negotiating collaborations; designing the classification tasks for the volunteers; re-examining data reduction methods and data release policies; disseminating results; creating new epistemic communities; and science communication. In addition, new kinds of expertise involved in running Galaxy Zoo were identified. The relational and adaptive aspects of expertise were seen as important. It was therefore proposed that the development of the expertise in running citizen science projects should be recognised as a domain-expertise in its own right. In Galaxy Zoo, the development of the expertise could be attributed to a combined understanding of: the design principles of doing good science; innovation in methods; and creating a dialogic space for scientists and volunteers. The empirical and theoretical implications of this study therefore lie in (i) identifying emergent practices in citizen science while prioritising scientific knowledge production and (ii) a re-examination of expertise for science in the emerging context of data-intensive science.
15
Pachal, Katherine E. "Search for new physics in the dijet invariant mass spectrum at 8 TeV". Thesis, University of Oxford, 2015. http://ora.ox.ac.uk/objects/uuid:93a1f359-d602-4480-8f59-ccee0332af3e.
Testo completoAbstract (sommario):
A search for resonance signals from new physics models was performed using the ATLAS dijet invariant mass spectrum at a center-of-mass energy of 8 TeV. The full dataset from the 2012 data-taking period was used, corresponding to an integrated luminosity of 20.3 fb−1. The analysis covered a mass range from 250 GeV to 4.5 TeV and found no evidence of an excess anywhere in the spectrum. Upper mass limits were set at 95% CL on both model- specific benchmark new physics signals and on two different generic resonance forms: a Gaussian shape and a Breit-Wigner shape which accounted for pdf and detector effects. The analysis excluded excited quarks below 4.06, heavy W' bosons below 2.45, colour-octet scalars below 2.70, leptophobic chiral excited bosons W* below 1.75, and quantum black holes below 5.66 and 5.62 for the Qbh and BlackMax generators respectively.
16
Dolan, Halil Ramazan. "Urban Threshold". Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/34372.
Testo completoAbstract (sommario):
The character of an urban void is defined by the built surrounding which determines the appearance and the function of the enclosed space. In modelling urban form, three major zones corresponding to this phenomenon may be distinguished:
1. Core
2. Transition Zone
3. Surrounding
The transition zone contains the capacity to determine the prospective character of the framed void. It offers the possibility to intervene in the existing urban form, not by filling, but by emptying it. The void experiences a transformation from a neglected urban object to a clearly identified urban subject. This threshold towards the void serves as a mediating element between the two coexisting situations. It acts as a "coulisse" of an urban theater towards the void.Master of Architecture
17
Donckers, Susan Waldrop. "Environmental conditions and their influence on information processing by deans in baccalaureate schools of nursing". Diss., Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/49848.
Testo completoAbstract (sommario):
The problems of declining enrollments and shrinking resources seem particularly acute for baccalaureate schools of nursing. In a study of responses to these and other problems, deans of five types of baccalaureate nursing schools described how they collected and channeled information as they developed strategies to ensure the future of their programs.
A questionnaire was sent to the deans of 344 baccalaureate schools of nursing. Forty-two percent of the deans returned the questionnaire. A follow-up study of 30% of the nonrespondents produced an inadequate return and did not permit comparison of respondents and nonrespondents. The data were summarized using frequencies, percentages, means, and standard deviations. Relationships were examined with one-way analyses of variance and Pearson correlation coefficients.
The most commonly perceived factors impacting each type of school, the types of information sought for each factor, the ways information was channeled, the actions taken regarding each factor, and potential future actions were reported. Two one-way analyses of variance found no differences ∝= .05) among the types of schools in (a) the total amount of impact on the school of all the factors and (b) the total amount of influence over these factors felt by the dean of the school. Pearson correlation coefficients for total impact and the number of years the dean had been in office and total influence and the number of years the dean had been in office were not large enough to be statistically significant ∝= .05).
Suggestions for research included studies of the information-processing and decision-making strategies of deans and comparative studies of information-processing and decision-making in schools of nursing and schools in other academic areas.Ed. D.
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18
Donnelly, Laura Ferri. "Capturing utility judgments across jobs: toward understanding and generalization". Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/54285.
Testo completoAbstract (sommario):
The recent increase in utility research has provided improved methods for estimating the standard deviation of performance in dollars. Subjective estimates of an individual's overall worth to the organization allow the utility of various organizational interventions to be evaluated. However, this research does little to illuminate the dimensions underlying supervisory judgments of utility.
The recent increase in utility research has provided improved methods for estimating the standard deviation of performance in dollars. Subjective estimates of an individual's overall worth to the organization allow the utility of various organizational interventions to be evaluated. However, this research does little to illuminate the dimensions underlying supervisory judgments of utility.
The policies underlying judgments of overall worth were captured to a substantial degree, with cross-validated R² values ranging from .46 to .69. A unit weighting scheme was applied to the six predictors, resulting in r² values that exceeded the cross-validated R² derived from regression analyses. This substantial predictability of utility judgments provided the capacity to generalize utility information from a sample of jobs to the population of interest.
Analyses comparing validity-based and utility-based clustering schemes explored the degree of convergence between the two approaches to classifying jobs. These analyses indicated that there was some overlap, with validity information being useful in establishing broad categories of jobs associated with similar utility-relevant attributes. At the same time, these analyses demonstrated that the two approaches were not equivalent.
Implications of this research are discussed, and several possible directions for future research are noted. It is suggested that such policy capturing procedures can enhance our understanding of judgments of overall worth, and expand the knowledge base upon which organizational decisions are made.Ph. D.
19
Dong, Yi. "Étude de la catalyse hétéogène asymétrique par des techniques de spectroscopie de surface". Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/28605/28605.pdf.
Testo completo
20
Rezai, Armon, Duncan K. Foley e Lance Taylor. "Global Warming and Economic Externalities". Springer Verlag, 2012. http://epub.wu.ac.at/3037/1/GlobalWarmingGS101206TexGeneric.pdf.
Testo completoAbstract (sommario):
Despite worldwide policy efforts such as the Kyoto Protocol, the emission of greenhouse gases (GHG) remains a negative externality. Economic equilibrium paths in the presence of such an uncorrected externality are inefficient; as a consequence there is no real economic opportunity cost to correcting this externality by mitigating global warming. Mitigation investment using resources diverted from conventional investments can raise the economic well-being of both current and future generations. The economic literature on GHG emissions misleadingly focuses attention on the intergenerational equity aspects of mitigation by using a hybrid constrained optimal path as the "business-as-usual" benchmark. We calibrate a simple Keynes-Ramsey growth model to illustrate the significant potential Pareto-improvement from mitigation investment, and to explain the equilibrium concept appropriate to modeling an uncorrected negative externality.
21
Djiknavorian, Pascal. "Fusion d'informations dans un cadre de raisonnement de Dezert-Smarandache appliquée sur des rapports de capteurs ESM sous le STANAG 1241". Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25666/25666.pdf.
Testo completo
22
Dorcheus, Seraphim Yoo. "96th Street study". Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/74515.
Testo completoAbstract (sommario):
The purpose of this study is to foster preservation and to encourage the correct development of East 96th Street and its surrounding neighborhood.
Present as-of-right zoning regulations allow extremely tall buildings to be constructed that would create walls along the street.
Modification of these zoning regulations are proposed to establish a planning guide that will improve East 96th Street aesthetically, economically and socially as well as encourage developers to invest in the neighborhood.Master of Architecture
23
Delage, Wesley. "Caractérisation et détection d'insertions constitutionnelles de grande taille dans le cadre d'un usage médical". Thesis, Rennes 1, 2020. https://ged.univ-rennes1.fr/nuxeo/site/esupversions/f136946b-d692-41d5-be65-c2ef1c9cc52b.
Testo completoAbstract (sommario):
La détection de variations génétiques est un enjeu majeur dans le diagnostic des maladies génétiques chez l’homme. Certains types de variations sont détectés dans la routine d'analyse. D'autres, comme les variations de structure de type insertion sont bien plus complexes à identifier. Le développement de nouvelles technologies de séquençage dites longs reads permet de faciliter la détection de ces insertions. Elles ont notamment permis la génération d’ensembles de variants de référence d’une qualité sans précédent. Néanmoins, cette technologie possède encore des faiblesses qui ne permettent pas son utilisation pour la détection de variants dans un usage clinique. Il est donc essentiel d’améliorer les outils de détection basés sur les technologies de séquençage de courtes lectures utilisées dans un contexte médical. Cette thèse présente la caractérisation des différentes insertions et des facteurs limitant leur détection, basée sur ces jeux de données de référence de haute qualité. L’utilisation de simulations d'insertions a permis de quantifier l’impact de ces facteurs et mis en lumière la faiblesse des outils actuels à détecter et assembler la séquence des insertions. Ces résultats ont permis de proposer des pistes d'améliorations des outils de détection d’insertions. Plusieurs améliorations ont ainsi été implémentées dans l'outil existant MindTheGap et ont permis de surpasser certaines de ses limitesThe detection of genetic variations is a major challenge in the diagnosis of human genetic diseases. Some types of variations are detected in the analysis routine. Others, such as insertion-type structural variations, are much more complex to identify. The development of new sequencing technologies known as long reads facilitates the detection of these insertions. In particular, they have made it possible to generate reference callsets with an unprecedented quality. Nevertheless, this technology still has weaknesses that make it impossible to use it for the variant calling in clinical use. It is therefore essential to improve detection tools based on short read sequencing technologies used in a medical context. This thesis presents the characterization the different insertions and the factors limiting their detection, based on these high quality reference callsets. The use of insertion simulations has allowed to quantify the impact of these factors and highlighted the weakness of current tools to detect and assemble the sequences of insertions. These results have allowed to propose ways to improve insertion detection tools. Several improvements have been implemented in the existing MindTheGap tool and have overcome some of its limitations
24
Dodson, Bonny Lynn. "Aspects of chemical control of the old house borer, Hylotrupes bajulus (L.) (Coleoptera: Cerambycidae)". Thesis, This resource online, 1987. http://scholar.lib.vt.edu/theses/available/etd-11072008-063045/.
Testo completo
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Rezai, Armon. "The Opportunity Cost of Climate Policy: A Question of Reference". Wiley-Blackwell, 2011. http://epub.wu.ac.at/3481/1/GlobalWarmingBAU110516.pdf.
Testo completoAbstract (sommario):
The cost of climate policy depends on the no-policy alternative without which the opportunity cost of climate action cannot be determined. This reference path has to reflect the current failure in the market for carbon emissions: due to a negative externality, private
investment decisions do not consider the climate damage they entail; agents overinvest in conventional capital and underinvest in climate capital. Internalization of climate damage lowers the private return to capital; agents reduce investment in favor of mitigation and consumption. Optimal climate mitigation increases welfare of the present and
the future. Simulation of the inefficient no-policy scenario in DICE-07 confirms that this point numerically. (author's abstract)
26
Laurent-Boutot, Carine. "La cour de cassation face aux traités internationaux protecteurs des droits de l'homme". Limoges, 2006. http://aurore.unilim.fr/theses/nxfile/default/6536627c-d657-46b6-8278-bbfb0b7f6a8b/blobholder:0/2006LIMO0520.pdf.
Testo completoAbstract (sommario):
La CEDH a, désormais, une influence incontestable sur la jurisprudence de la Cour de cassation. La Haute juridiction applique les dispositions conventionnelles dans le respect de la hiérarchie des normes, les interprétant, parfois, de manière totalement novatrice. Elle transpose, également, les précédents rendus par la Cour EDH, démontrant que les juges nationaux et européens se sont engagés sur la voie d’un dialogue réciproque et constructif. Cette harmonie ne doit pas masquer la densité du droit conventionnel des droits de l’ homme, ni aboutir à son appauvrissement. De multiples traités sont encore méconnus, inappliqués alors qu’ils recèlent des droits pécifiques gnorés de la CEDH. La rareté des arrêts rendus sur le fondement de ces textes et l’absence de communication avec les ganes supranationaux chargés de les interpréter pourrait détourner progressivement le justiciable d’une grande partie de ses droits. Afin d’éviter cet écueil, la Cour de cassation peut favoriser la justiciabilité de tous les traités internationaux protecteurs des droits de l’omme, en définissant des mécanismes moins contraignants que l’effet direct. Elle peut, également, démontrer la complémentarité des normes en procédant à une application coordonnée du droit national et conventionnel tel qu’interprété par les organes supranationaux de contrôle. Elle s’impliquera, ainsi, dans un vaste mouvement de fertilisation du droit international des droits de l’HommeCourt enforces these conventions with consideration for the hierarchical norms, at times, interpreting them in a totally innovative way. She equally transposes the precedent The ECHR has an indisputable influence on the case law of the Court of Cassation. The High judgements pronounced by the European Court of Human rights, showing that the national and European judges are committed to reciprocal and constructive dialogue. This harmony should not hide the depth of the conventional law of human rights, nor should it lead to its degeneration. Numerous treaties remain unrecognized and unenforced, while concealing specific rights from the EHRC. The rarity of decisions rendered based on these texts and the absence of communication by the supranational organs charged with interpreting them, could progressively diminish a large number of the plaintiffs rights. In order to avoid this, the Court of Cassation can favour the “justiciabilité” of all international protective treaties of human rights, by defining less restrictive means instead of using direct action. They can also demonstrate the complementary nature of these norms by initiating a coordinated application of national and conventional law as interpreted by the controlling supranational organs. They are therefore implicated in the vast fertile evolution of the international law of Human rights
27
Doiron, Martin. "Réduire la pollution ou réduire la production ? Allocation des réductions d'émissions en présence d'effet d'apprentissage". Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24354/24354.pdf.
Testo completo
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Dorworth, Vicky E. "Learning about the criminal justice protagonists: a content analysis of gender messages in the crime film genre". Diss., Virginia Tech, 1994. http://hdl.handle.net/10919/27987.
Testo completoAbstract (sommario):
Various forms of popular culture serve to educate and socialize as well as influence human behavior. In a discipline such as criminal justice, little is known by the general public about the individuals involved with the system: the law enforcer, the victim, and the offender. Therefore, the construction of reality for most is likely to come from media representation.
A content analysis was used as a method to systematically evaluate crime films over a period of 20 years to investigate what gender messages were apparent in the genre. A sample of 42 crime films was drawn beginning in 1972 through 1992. The main and supporting characters were analyzed to determine if gender differences existed in regard to occupational representation, victimization, and offending. Focus was on occupational representation. The data was compared to the official data to ascertain whether the gender representations in the films reflected the official data. Trends over the 20 year period were analyzed to determine if the portrayal of women and men over the years reflected the changes experienced in the criminal justice system.
The research provided an understanding of the content of this form of popular culture. Males were more likely included in the films than females. This is consistent with the reality of male domination in the field of criminal justice and with past research which indicated that women were often excluded from films. Computed Chi-square tests indicated that significant relationships existed between sex and evidence of the police personality; sex and character appearance in casual, uniform, and seductive attire; sex and use of all types of force; sex and use of expert and coercive power; and sex and aggression as a style of conflict resolution. T Tests revealed that there were sex differences in character appearance in uniform and seductive attire, use of aggression as a style of conflict resolution, commission of crime, and commission of nonviolent crime.
The films closely represented the official data in regard to male and female violent offenders with a small overrepresentation of female violence and an equally small underrepresentation of male violence. Women were underrepresented as property offenders and men were overrepresented. In terms of victimization, women were overrepresented as victims of violent crime and property crime.
Over the two decades, women were consistently absent when compared to the number of men casted in the films; were consistently underrepresented as law enforcers, with the exception of two, three year intervals; and were most often casted as wives or girlfriends of law enforcers except in one, three year interval. Men were most likely to be seen as law enforcers in every interval, again consistent with the male domination seen in the law enforcement field. Sexism Level I films, indicating extreme sexism, was found to be at least in 67% of all films for each three interval except from 1984 to 1986.Ed. D.
29
Foley, Duncan K., Armon Rezai e Lance Taylor. "The social cost of carbon emissions: Seven propositions". Elsevier, 2013. http://epub.wu.ac.at/4021/1/RezaiSeven.pdf.
Testo completoAbstract (sommario):
Determining the social cost of carbon emissions (SCC) is a crucial step in the economic analysis of climate change policy as the US government's recent decision to use a range of estimates of the SCC centered at $77/tC (or, equivalently, $21/tCO2) in cost-benefit analyses of proposed
emission-control legislation underlines. This note reviews the welfare economics theory fundamental to the estimation of the SCC in both static and intertemporal contexts, examining the effects of assumptions about the typical agent's pure rate of time preference and elasticity of marginal felicity of consumption, production and mitigation technology, and the magnitude of climate-change damage on estimates of the SCC. We high-light three key conclusions: (i) an estimate of the SCC is conditional on
a specific policy scenario, the details of which must be made explicit for the estimate to be meaningful; (ii) the social discount rate relevant to intertemporal allocation decisions also depends on the policy scenario; and
(iii) the SCC is uniquely defined only for policy scenarios that lead to an efficient growth path because marginal costs and benefits of emission mitigation diverge on inefficient growth paths. We illustrate these analytical
conclusions with simulations of a growth model calibrated to the world economy. (authors' abstract)
30
Doire, Marie-France. "Démocratisation et libre-échange : le rôle des institutions politiques du Mexique dans le choix de la politique commerciale". Master's thesis, Université Laval, 2005. http://hdl.handle.net/20.500.11794/33023.
Testo completoAbstract (sommario):
Selon la littérature et les différentes théories dominantes en études internationales, il existe une relation importante entre les processus de libéralisation économique et de démocratisation. En fait, plusieurs facteurs, dont le rôle des acteurs sociétaux et étatiques, ainsi que les différentes particularités d’un régime politique, influeraient sur le choix de la politique commerciale d’un pays. Ces théories sont fondées sur la prémisse que l’utilité des acteurs étatiques est principalement motivée par la volonté de réélection. Or, dans un pays comme le Mexique, il n’y a pas ce type de caractéristique du régime politique. Qui plus est, peu d’analyses abordent ce pays comme étude de cas. Ce projet de recherche a pour objectif d’élucider les effets de la démocratisation sur le processus décisionnel qui mène au choix de la politique commerciale, en tenant compte du fait que le Sénat est responsable de la ratification des accords de libre-échange, que les membres de cet organe ne peuvent être réélus pour deux mandats consécutifs au même poste et qu’ils se préoccupent davantage de la victoire de leur parti aux prochaines élections présidentielles que de leur siège. L’analyse du comportement des sénateurs face au choix de la politique commerciale se fera au niveau de l’existence d’une logique de parti et de circonscription.
31
Dollins, Ramona R. "Parental influence on political development among late adolescents". Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-10192006-115601/.
Testo completo
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Guzman-Ramirez, Lizette. "A multifaceted exploration of planetary nebulae". Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/a-multifaceted-exploration-of-planetary-nebulae(8f9b285c-d657-475b-9bb8-464881de1e7c).html.
Testo completoAbstract (sommario):
This thesis analyses and proposes solutions for the following PNe mysteries: 1. The missing PNe population. 100 new objects were spectroscopically observed and analysed using the INT Photometric Halpha Survey (IPHAS). 32 are PNe, 13 are possible PNe and the rest are HII regions, SNR and unclear objects. The new PNe were within the inner parts of the galactic plane. The IPHAS survey has been the deepest survey done in Halpha, and revealed objects never seen before. 2. The mixed chemistry in Galactic Bulge PNe. These GBPNe are the end-products of low-mass stars (and therefore expected to be O-rich) and belong to a metal rich population. These PNe present dual-dust chemistry, with the presence of PAHs (carbon-rich) and crystalline silicates (oxygen-rich) in their spectra. This thesis analysed 40 Galactic Bulge PNe and found a strong correlation between intensity of the PAH bands and morphology, notably a massive torus. This torus provides the dense irradiated environment needed to form the PAHs. Follow-up observations using VISIR revealed a dense dusty tori in 11 PNe. PAHs are present in the outer edges of these tori, whereas ionised material is located within the dusty tori.3. The 3He problem. Using the VLA we observed three PNe, upper-limits of their 3He abundances were estimated. The resulting evolution of 3He is only consistent with the values determined in pre-solar material and the ISM, if the PNe observed represent only 4% of the population of low-mass stars, and the remaining 96% have undergone enhanced 3He depletion.
33
Halla, Martin, Mario Lackner e Johann Scharler. "Does the Welfare State Destroy the Family? Evidence from OECD Member Countries". WU Vienna University of Economics and Business, 2013. http://epub.wu.ac.at/3822/1/wp150.pdf.
Testo completoAbstract (sommario):
We study the effect of the size of the welfare state on family outcomes in OECD member countries.
Exploiting exogenous variation in public social spending, due to varying degrees of political fractionalization (i.e. the number of relevant parties involved in the legislative process), we show that an expansion in the welfare state increases the fertility, marriage, and divorce rates with a quantitatively stronger effect on the marriage rate.
We conclude that the welfare state supports family formation. Nevertheless, we also find that the welfare state decouples marriage and fertility, and therefore, alters the organization of the family. (authors' abstract)Series: Department of Economics Working Paper Series
34
Doiron, Andrée Mélissa. "Le complexe des aboiteaux : l'expérience du souvenir obstinément renouvelée chez l'écrivain acadien Claude LeBouthillier". Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25582/25582.pdf.
Testo completo
35
Doire, Vincent. "Le rapport de force normatif entre sécurité et droits de l'homme : une étude constructiviste de la politique étrangère américaine de droits humains pour la période 1941-1960". Thesis, Université Laval, 2009. http://www.theses.ulaval.ca/2009/26249/26249.pdf.
Testo completo
36
Kliess, Malte Sebastian. "The principle of predicate exchangeability in pure inductive logic". Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/the-principle-of-predicate-exchangeability-in-pure-inductive-logic(7483a787-d651-4734-8fdf-eda405fc48a6).html.
Testo completoAbstract (sommario):
We investigate the Principle of Predicate Exchangeability in the framework of Pure Inductive Logic. While this principle was known to Rudolf Carnap, who started research in Inductive Logic, the principle has been somewhat neglected in the past. After providing the framework of Pure Inductive Logic, we will show Representation Theorems for probability functions satisfying Predicate Exchangeability, filling the gap in the list of Representation Theorems for functions satisfying certain rational principles. We then introduce a new principle, called the Principle of Strong Predicate Exchangeability, which is weaker than the well-known Principle of Atom Exchangeability, but stronger than Predicate Exchangeability and give examples of functions that satisfy this principle. Finally, we extend the framework of Inductive Logic to Second Order languages, which allows for increasing a rational agent’s expressive strength. We introduce Wilmers’ Principle, a rational principle that rational agents might want to adopt in this extended framework, and give a representation theorem for this principle.
37
B-Andersson, Marie, e Annika Kvist. "Framtagande av ICC-profiler fo¨r substrat till storformatskrivaren Mutoh Toucan PJ1614NXE : Creating ICC-profiles for substrate used at large format printer Mutoh Toucan PJ1614NXE". Thesis, Högskolan Dalarna, Grafisk teknik, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:du-1446.
Testo completoAbstract (sommario):
Detta examensarbete beskriver i detalj hur ICC-profiler fo¨r utskriftsmedier, i detta fall fo¨r storformatskrivare, skapas. Examensarbetet omfattade framtagande av ICC-profiler fo¨r substrat till storformatskrivaren Mutoh Toucan PJ-1614NXE (Mutoh Toucan) hos BEMI REKLAM AB (BEMI), Borla¨nge. Fo¨retaget har tidigare anva¨nt en standardlinja¨risering till samtliga substrat fo¨r storformatskrivaren, dock utan att applicera na°gon ICC-profil fo¨r utenheter. Samtliga substrat till Mutoh Toucan a¨r avsedda fo¨r utomhusbruk.
38
Digan, John. "Are the counselling skills nurses learn in training apparent in their everyday interactions with patients and carers?" Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/are-the-counselling-skills-nurses-learn-in-training-apparent-in-their-everyday-interactions-with-patients-and-carers(e0c2fba5-d651-4c44-b509-55433538d2df).html.
Testo completoAbstract (sommario):
This research evaluates whether nurses working in general hospital settings utilise the counselling skills they are taught during their initial nurse training when they practice as qualified nurses. A narrative enquiry methodology was used to gather stories about everyday nurse patient interactions from eight nurses working in a variety of general hospital settings. The stories were tape recorded and transcribed before being subjected to qualitative descriptive analysis, a variant of content analysis, which yielded a number of themes. The analytical process incorporated the use of a hermeneutic circle to reinforce the reliability of the analysis and three types of skill were identified within the narratives. The narratives suggest that nurses do use counselling skills regularly when interacting with patients and carers, in particular the skills of information giving and empathy. These skills are inter-related in nursing practice and their usage stems from the personal experiences of the nurses involved rather than any training received prior to their qualifying as registered practitioners. While the sample size is relatively small the findings might suggest there could be some worth in further research to determine the relational skills possessed by those wishing to enter nurse training. This type of investigation has a resonance with current calls for reform of nurse education and might allow for training in the area of interpersonal skills to become more personalised. Ethical permissions were obtained from NRES, the Ethics committee of the United Lincolnshire Hospitals Trust and the University of Manchester.
39
Hutton, Trevor. "Rooting the practice of evangelical Protestant church planting within a Trinitarian theological framework : with particular reference to creation, context and community". Thesis, University of Manchester, 2019. https://www.research.manchester.ac.uk/portal/en/theses/rooting-the-practice-of-evangelical-protestant-church-planting-within-a-trinitarian-theological-framework-with-particular-reference-to-creation-context-and-community(0b3e506f-d6c2-4453-b0a9-9f212f69c77d).html.
Testo completoAbstract (sommario):
The purpose of this portfolio and thesis is to demonstrate the importance of theological reflection upon church planting practice, and by so doing, to resource and equip church planters to think in creative new ways in order to become more effective in missional engagement in forming new communities of faith. This motivation and exploration lies at the heart of each component and individual chapter. The portfolio is comprised of three self contained and coherent pieces of work: a literature review which advocates that theological reflection is a developing concern for church planting, a publishable article that reflects on the nature of the gospel that underpins missional practice, and a research project which aimed to discover how different church planting tribes were engaging in theological reflection, and what issues and lessons were still needing to be learned and further explored. The thesis, building on the work of the portfolio, gives an extended Trinitarian theological reflection upon church planting practice in relation to the themes of creation, context and community. It has attempted to intentionally reflect upon the missional practice of church planting through Trinitarian perspectives, in order that it may be more robust, enriched and rooted in God's own life and story. Trinitarian perspectives on church planting are at best embryonic, and the renewal of interest in the doctrine of the Trinity has stimulated me to write a Trinitarian missiology for church planting that offers fresh theological insights and practical missional applications. Through dialoguing extensively with the Trinitarian creation theology of Jürgen Moltmann, the Trinitarian contextual missiology of Lesslie Newbigin and Timothy Tennent, and the Trinitarian ecclesiologies of Miroslav Volf, Leonardo Boff and Catherine Mowry LaCugna, I believe their collective contributions have much to offer church planting today.
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Lee, Da-rin, e 李達人. "Enzymatic activity of Sortase A mutants－D65A, K196T and P94S/D160N/D165A/K196T". Thesis, 2013. http://ndltd.ncl.edu.tw/handle/27206797050963177312.
Testo completoAbstract (sommario):
碩士國立交通大學
理學院應用科技學程
101
Sortase A is kind of transpeptidase which can connect two different function proteins or peptides together to form the multifunction chimeric protein without interrupt the structure and function by using the special amino acid sequences: the N terminal LPETG and the C terminal GGGGG. In this study, we compare the function of hydrolysis and connection between the wildtype and mutant line by using two different fluorescence substrates the Abz-LPETG-Dnp and GGGGGK-FITC. We discover the P94S, D160A, D165A, K196T 4 point mutant which is 3.14 times faster in hydrolysis and 1.18 times faster in connection initial rate than the wildtype sortase A. By sortase A, we can link the protein or peptide with GGGGGK-FITC sequence to the QCM chip with LPETG sequence; using this method, we can link the antibodies to a chip to do the immunoassays.