Rozprawy doktorskie na temat „60J60”
Utwórz poprawne odniesienie w stylach APA, MLA, Chicago, Harvard i wielu innych
Sprawdź 50 najlepszych rozpraw doktorskich naukowych na temat „60J60”.
Przycisk „Dodaj do bibliografii” jest dostępny obok każdej pracy w bibliografii. Użyj go – a my automatycznie utworzymy odniesienie bibliograficzne do wybranej pracy w stylu cytowania, którego potrzebujesz: APA, MLA, Harvard, Chicago, Vancouver itp.
Możesz również pobrać pełny tekst publikacji naukowej w formacie „.pdf” i przeczytać adnotację do pracy online, jeśli odpowiednie parametry są dostępne w metadanych.
Przeglądaj rozprawy doktorskie z różnych dziedzin i twórz odpowiednie bibliografie.
Schmidt, Daniel. "Kinetic Monte Carlo Methods for Computing First Capture Time Distributions in Models of Diffusive Absorption". Scholarship @ Claremont, 2017. https://scholarship.claremont.edu/hmc_theses/97.
Pełny tekst źródłaKaragulyan, Avetik. "Sampling with the Langevin Monte-Carlo". Electronic Thesis or Diss., Institut polytechnique de Paris, 2021. http://www.theses.fr/2021IPPAG002.
Pełny tekst źródłaSampling from probability distributions is a problem of significant importance in Statistics and Machine Learning. The approaches for the latter can be roughly classified into two main categories, that is the frequentist and the Bayesian. The first is the MLE or ERM which boils down to optimization, while the other requires the integration of the posterior distribution. Approximate sampling methods are hence applied to estimate the integral. In this manuscript, we focus mainly on Langevin sampling which is based on discretizations of Langevin SDEs. The first half of the introductory part presents the general mathematical framework of statistics and optimization, while the rest aims at the historical background and mathematical development of sampling algorithms.The first main contribution provides non-asymptotic bounds on convergence LMC in Wasserstein error. We first prove the bounds for LMC with the time-varying step. Then we establish bounds in the case when the gradient is available with a noise. In the end, we study the convergence of two versions of discretization, when the Hessian of the potential is regular.In the second main contribution, we study the sampling from log-concave (non-strongly) distributions using LMC, KLMC, and KLMC with higher-order discretization. We propose a constant square penalty for the potential function. We then prove non-asymptotic bounds in Wasserstein distances and provide the optimal choice of the penalization parameter. In the end, we highlight the importance of scaling the error for different error measures.The third main contribution focuses on the convergence properties of convex Langevin diffusions. We propose to penalize the drift with a linear term that vanishes over time. Explicit bounds on the convergence error in Wasserstein distance are proposed for the PenalizedLangevin Dynamics and Penalized Kinetic Langevin Dynamics. Also, similar bounds are proved for the Gradient Flow of convex functions
Mauland, Eirik. "Utherdbare bimetall materialer fremstilt ved skrueekstrudering: AA 6060/ren magnesium". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for materialteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-21845.
Pełny tekst źródłaMoazzam, Muhammad. "The role of the WASP family proteins in cellular migration and invasion in prostate cancer". Thesis, Cardiff University, 2014. http://orca.cf.ac.uk/60160/.
Pełny tekst źródłaGraf, P. O. "Combining oxidative coupling and reforming of methane vision or utopia? /". Enschede : University of Twente [Host], 2009. http://doc.utwente.nl/60460.
Pełny tekst źródłaMorgado, Norbert. "Tréfilage à chaud de l'aluminium 6060 : nouvelle méthodologie d'identification du comportement tribologique". Valenciennes, 2003. http://ged.univ-valenciennes.fr/nuxeo/site/esupversions/38039928-2561-413f-987a-d3f0fe90893f.
Pełny tekst źródłaThe proposed study is based on the specific hot wire drawing process of aluminium. This process is thermomechanically analysed in order to point out the importance of interface parameters in the process control. The main parameters are the friction coefficient and the heat transfer coefficient. A new test device is developed to evaluate them. This test is made of a heating induction system and a servo-hydraulic system. It allows to reproduce accurately the thermomechanical contact conditions observed in hot metal forming. A multi level methodology, using exploitation of test device results, is presented. It allows to optimize the process, to identify friction conditions, to analyse surface damages (sticking) or to estimate tribological laws
Monteiro, Paulo Cyhlar. "Efeito do perfil de envelhecimento artificial nas ligas AI 6060 e 6061". Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/17771.
Pełny tekst źródłaEste trabalho teve como objetivo estudar a influência do perfil térmico de envelhecimento artificial nas propriedades mecânicas das ligas Al 6060 e 6061. Para tal foram cedidos pela Extrusal, provetes, biletes e fatias das ligas em questão. Da liga 6061 os lotes de material vieram na condição de homogeneizados (direto do fornecedor); extrudidos na empresa com envelhecimento térmico natural (T4) e armazenamento em fábrica e dispositivo de frio; também extrudidos na empresa com envelhecimento artificial (T6), igualmente conservados em ambiente de fábrica e congelados; da liga 6060 foi fornecida uma fatia na condição de homogeneizada. Para verificar qual a influência do perfil térmico de envelhecimento artificial nas propriedades mecânicas das ligas Al 6060 e 6061, amostras retiradas das fatias homogeneizadas foram submetidas a um tratamento térmico de envelhecimento, com velocidade de aquecimento de 1 ºC/min ou de 10 ºC/min, com um patamar isotérmico de envelhecimento a 180 ºC, seguido de arrefecimento ao ar ou em água. Foram feitos testes de dureza (Vickers) para perceber o efeito na dureza das diversas condições térmicas no processamento da liga. A análise microestrutural e composicional através de SEM, TEM e EDS foi usada para explicar as variações de comportamento. Os resultados obtidos confirmaram a adequação das condições dos biletes à chegada, e da eficácia do tratamento T6. Parece igualmente irrelevante o efeito do envelhecimento natural nos ensaios realizados. Como complemento, foi ainda identificada a importância de eventuais cargas com diferentes massas térmicas, suscetíveis de introduzir diferentes perfis de envelhecimento em condições nominalmente semelhantes.
The main purpose of this study was to study the influence of the thermal profile of artificial aging on the mechanical properties of Al 6060 and 6061 alloys. These alloys were provided by Extrusal as billets and extruded parts. The 6061 alloy samples were obtained in distinct conditions: homogenized billets (from supplier), extruded parts with natural thermal aging (T4) and storage at room temperature or in ice; also extruded parts with artificial aging (T6), again after storage at room temperature or in ice. Alloy 6060 was provided only as a billet slice in homogenized condition. To check the influence of the thermal profile during artificial ageing on mechanical properties of Al 6060 and 6061, samples taken from the homogenized slices were subjected to an aging heat treatment at a heating rate of 1 °C / min or 10 °C / min with isothermal ageing at 180 ° C followed by cooling in air or water. Hardness tests were made (Vickers) to realize the effect on hardness of the various thermal conditions in alloy processing. The microstructural and compositional analysis by SEM, TEM and EDS was used to explain variations in behavior. The results confirmed the appropriateness of the conditions of billets on arrival, and the effectiveness of the T6 treatment. It also seemed irrelevant the effect of natural aging in these tests. As a complement, the importance of different thermal masses in thermal ageing was confirmed, being able to generate different ageing profiles under nominally similar conditions.
Nelson, Camilla. "Reading and writing with a tree : practising 'Nature Writing' as enquiry". Thesis, University of the Arts London, 2012. http://ualresearchonline.arts.ac.uk/6060/.
Pełny tekst źródłaBraccini, Michele. "Intelligenza artificiale: test di Turing e alcune questioni filosofiche". Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/6060/.
Pełny tekst źródłaMartingo, Ângelo Miguel Quaresma Gomes. "Music as postmodern thought : a critical examination of George Crumb's Makrokosmos I". Thesis, University of Sheffield, 2004. http://etheses.whiterose.ac.uk/6060/.
Pełny tekst źródłaValgimigli, Simond <1976>. "Farmacocinetica della buprenorfina, e del suo metabolita norbuprenorfina, somministrata come infusione costante nel periodo post-operatorio in cagne sane sottoposte ad ovariectomia". Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amsdottorato.unibo.it/6060/.
Pełny tekst źródłaPain isn’t just a consequence of disease but a pathogenetic factor that is itself able to perpetuate the damage to the body. Its treatment isn’t just a matter of humanity but also a contribution to stop the disease and return the patient to health. Among the most popular drugs used for treating pain in pets is buprenorphine. This molecule has been successfully used for years in dogs and cats because, apart from its efficacy (considered to be several times the one of morphine), of its long duration of action and relative lack of side effects. Despite this ample diffusion and longevity in clinical use we don’t know much about pharmacokinetics of this molecule in pet animals; dosage and therapeutic plans are in fact either extrapolated from man or based on clinical observation; the only pharmacokinetic data available in dogs are from single administrations of dosages not always corresponding to clinically used ones. Despite buprenorphine being mainly used for prolonged administrations (in the post-operative period or during hospitalization) it’s never been studied the pharmacokinetic profile of this molecule administered as repeated doses or constant rate infusion. Our study aims at describing the pharmacokinetic of buprenorphine administered as a loading bolus of a dose in the therapeutic range followed by a constant rate infusion. We ultimately intend to develop a protocol for the prolonged administration of this molecule to clinical patients in pain and, eventually, compare the constant rate administration with traditional protocols based on repeating doses. For the purposes of the study young adult female dogs of average to large size were used that were spayed by ovariectomy.
Talebian, Kousha. "Automation in anesthesia : a look at L₁ adaptive and PID controllers". Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/60260.
Pełny tekst źródłaApplied Science, Faculty of
Graduate
Shearing, Giles Andrew. "Sediment transport and bed material adjustments in the vicinity of Wilsey Dam : salmon spawning habitat implications". Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/60760.
Pełny tekst źródłaIrving K. Barber School of Arts and Sciences (Okanagan)
Earth and Environmental Sciences, Department of (Okanagan)
Graduate
Liu, Chi-Chao. "Alpha-integrin expression and function modify chemoresistance and immunogenicity of acute lymphoblastic leukemia". Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/60560.
Pełny tekst źródłaMedicine, Faculty of
Experimental Medicine, Division of
Medicine, Department of
Graduate
Buntrock, Rebecca (Rebecca Miriam). "Structural performance of early 20th century masonry high rise buildings". Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/60760.
Pełny tekst źródłaCataloged from PDF version of thesis.
Includes bibliographical references (p. 65-67).
Early generation high rise buildings built between 1890 and World War 11 represent a technical transition between traditional load bearing masonry construction and modern curtain wall systems, and are typically referred to as 'transitional masonry buildings'. These structures comprise a large percentage of the building stock constructed in the early twentieth century. Two pertinent issues have emerged with these structures as they age. The first is the deterioration of the exterior masonry facade, which is largely a result of deficiencies in the construction method of these structures. The second issue is that it is very difficult to properly predict their structural performance because of the complicated interaction between the masonry infill and the structural frame. Underestimating or misdiagnosing the structural performance of a transitional masonry building can result in improper interventions. The aim of this thesis is to increase the understanding of the structural and facade performance of transitional masonry buildings and present methods for their analysis. A case study of a transitional masonry building is structurally analyzed using linear and nonlinear procedures to determine the contribution of the masonry infill as well as to investigate the feasibility of using simplified analytical models to predict structural performance.
by Rebecca Buntrock.
M.Eng.
Drucker, Andrew Donald. "PCPs for Arthur-Merlin games and communication protocols". Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/60160.
Pełny tekst źródłaIncludes bibliographical references (p. 59-62).
Probabilistically Checkable Proofs (PCPs) are an important class of proof systems that have played a key role in computational complexity theory. In this thesis we study the power of PCPs in two new settings: Arthur-Merlin games and communication protocols. In the first part of the thesis, we give a 'PCP characterization' of AM analogous to the PCP Theorem for NP. Similar characterizations have been given for higher levels of the Polynomial Hierarchy, and for PSPACE; however, we suggest that the result for AM might be of particular significance for attempts to derandomnize this class. To test this notion, we pose some 'Randomized Optimization Hypotheses' related to our stochastic CSPs that (in light of our result) would imply collapse results for AM. Unfortunately, the hypotheses appear over-strong, and we present evidence against them. In the process we show that. if some language in NP is hard-on-average against circuits of size 2 [omega](n), en there exist hard-on-average optimization problems of a particularly elegant form. In the second part of the thesis, we study PCPs in the setting of communication protocols. Using techniques inspired by Dinur's proof of the PCP Theorem. we show that functions f (X, y) with nondeterministic circuits of size i have -distributed PCP protocols' of proof length O(poly(m)) in which each verifier looks at a constant number of proof positions. We show a complementary negative result: a distributed PCP protocol using a proof of length f, in which Alice and Bob look at k bits of the proof while exchanging t bits of communication, can be converted into a PCP-free randomized protocol with communication bounded by In both parts of the thesis, our proofs make use of a powerful form of PCPs known as Probabilistically Checkable Proofs of Proximity. and demonstrate their versatility. In our work on Arthur-Merlin games, we also use known results on randomness-efficient soundness- and hardness-amplification. In particular, we make essential use of the Impagliazzo-Wigderson generator; our analysis relies on a recent Chernoff-type theorem for expander walks.
by Andrew Donald Drucker.
S.M.
LEAL, Maria Margarida Domingues da Silva Cordeiro. "Infeção por Treponema pallidum subespécie pallidum numa população de homens que têm sexo com homens (HSH): avaliação de técnica de PCR em tempo real". Master's thesis, Instituto de Higiene e Medicina Tropical, 2018. http://hdl.handle.net/10362/60860.
Pełny tekst źródłaSyphilis is a sexually transmitted disease with worldwide distribution that emerged in Europe over 500 years ago. Treponema pallidum subspecies pallidum is the etiological agent of syphilis and its natural host is the human body. This bacterium belongs to the phylum Spirochaetales, the family Spirochaetaceae and the genus Treponema. Theses prokaryote microorganisms are motile spiral-shaped, moving with a corkscrew motion, bending and flexing, characteristic of its spiral form. Infection by Treponema pallidum occurs in four different stages (primary, secondary, latent and tertiary), evolving from one phase to the next, with symptomatic and asymptomatic periods. The diagnosis of this disease is both complex and difficult, especially during the latent phase and relies heavily on clinical and laboratory data, due to the lack of a gold standard test, able to identify the disease in all stages. The aim of this thesis was to analyse the diagnostic value of the TPHA, Determine and RPR tests, as well as the value of our Real Time Polymerase Chain Reaction (PCR- -RT), also by comparison with a PCR-Multiplex technique. Our results showed that among the serological tests, Determine had the highest reactivity when compared to both TPHA and RPR, although a slight discrepancy was observed (2,7%) between the two treponemic tests. As expected, a significant discrepancy was detected between the RPR and treponemic tests (30,2%), which was mainly attributed to treated syphilis cases. In regard, to the identification of T. pallidum DNA, an agreement of 92,6% was found between both PCR techniques (PCR-RT & PCR-M). The PCR-M technique was able to identify DNA in a larger number (8,3%) of blood samples than the PCR-RT, however this technique identified DNA in a higher number (26%) of lesion samples versus the PCR-M (12%). The PCR-M technique was used to identify the fragments of two genes (Lp 47kDa & PolA), while the PCR-RT only used the PolA gene fragment. The PolA gene fragment was identified in a lesser number of blood and lesion samples than the Lp 47kDa. In regard to this thesis results, the following conclusions were deduced: a) the Determine test proved to be comparable to the RPR and TPHA tests, b) the simultaneous identification by two genes allowed for the detection of T. pallidum DNA in a greater number of samples, c) the gene Lp 47kDa was identified more often in the samples analysed, d) when the PCR techniques were compared the type of sample analysed had a direct impact on the technique’s performance. Furthermore, it seems that with the PCR- -RT technique better results were achieved, when applied to lesion samples than blood.
Fernandes, Simone Pereira. "Relação do hábito alimentar e polimorfismos da MTHFR C677T com a instabilidade genômica em fumicultores gaúchos". reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2012. http://hdl.handle.net/10183/60560.
Pełny tekst źródłaGenetic damage can occur spontaneously under normal metabolic circumstances and can also be present in situations of dietary deficiency or inadequate intake of nutrients and excessive exposure to environmental mutagens. The purpose of this study was to evaluate the influence of the intake of micronutrients B12, B6 and folate and of polymorphism MTHFR C677T in the induction of DNA damage in individuals exposed to pesticides. The study involved 69 men and 41 women who were tobacco farmers in the region of Venâncio Aires (State of Rio Grande do Sul, Brasil). DNA damage was analyzed by the Comet Test and Micronucleus Test (MN); dietary intake was evaluated based on the mean of three 24-hour Diet Recall questionnaires. The nutrient intake data were computerized and estimated in the Food Processor SQL 10.9 program. The DNA damage results showed a significant increase in MN frequency in the lymphocytes of individuals who had an inadequate intake of folate and B12 (P = 0.030 and P = 0.014, respectively). No significant association was found between DNA damage and polymorphism MTHFR C677T. Correlations between DNA damage and polymorphism MTHFR C677T and nutrient intake were not significant. In conclusion, our results indicated that the adequate intake of folate (≥ 320 μg /day) and vitamin B12 (≥ 2,0 μg /day) can provide protection from the mutagenic action of pesticides. A dietary adaptation of folate and B12 can ensure adequate repair, showing that diet is a protective factor in this population.
Ramos, Graziele Pereira. "Estudo químico de diferentes acessos de trevo-vermelho (Trifolium pratense L.) e atividades biológicas". reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/60660.
Pełny tekst źródłaRed clover (Trifolium pratense L.) is one of the most utilized forage legume in the world agriculture and contains the isoflavones formononetin and biochanin A, and in smaller concentration daidzein and genistein. These compounds have gained a high interest due to their human health benefits. Recently this species was included in the list of Relação Nacional de Plantas Medicinais de Interesse ao SUS (RENISUS) which contains medicinal plants that have potential to generate products to be produced and distributed by SUS. But it is important to highlight that does not exist any study of isoflavones quantification in red clover plants cultivated in Brazil. The aims of this work were to validate a method to analize red clover samples by High Performance Liquid Cromatography (HPLC); to quantify four isoflavones compounds in 78 red clover accessions; to verify seasonal modifications in the isoflavone concentration of three red clover accessions; to increase isoflavones levels through plant breeding; and to determine in vivo and in vitro anti-inflammatory activity, and inhibitory activity of acetylcholinesterase of a red clover dry extract. To analyze the plants by HPLC, they were hydrolyzed, separated by dichloromethane, and resuspended with methanol. The HPLC method used was validated. Isoflavones (daidzein, genistein, formononetin and biochanin A) were quantified in 78 red clover accessions, the aglycone contents (expressed in μg/g of dry material, n=3) of these compounds varied from 0.00 to 137.91 to daidzein; 14.70 to 516.51 to genistein; 452.97 to 28548.65 to formononetin; and 1967.64 to 20145.27 to biochanin A, and the total isoflavone concentration ranged between 9.81 and 36.36 mg/g. The seasonal study showed that the total concentration of isoflavones is not statistically different at different seasons, but is possible to verify that at spring (when red clover is at reproductive stage) we could observe the lowest concentration, and at winter (when red clover is at vegetative stage) we found the highest concentration. In the breeding study we could observe an increase in the total concentration of isoflavones. The in vitro anti-inflammatory activity was measured towards by leucocytes mobilization, by chemotaxis assay in Boyden´s chamber. The in vivo anti-inflammatory activity was tested by a carrageenan-induced rat paw edema test. The results of anti-inflammatory in vitro test showed that there was a significant inhibition of leukocyte migration at concentrations of 100.0 (94.73% of inhibition), 50.0 (95.39% of inhibition), 25.0 (94.73% of inhibition), 10.0 (84.68% of inhibition) and 5.0 (78.75% of inhibition) μg/mL of red clover dry extract. The in vivo anti-inflammatory test demonstrated significant activity in the tested doses, 100 and 50 mg/kg of red clover dry extract. The average of edema inhibition percentage was 63.37%. The inhibition of acetylcholinesterase test did not show activity. The results of this study suggest that we can select or produce plants with higher concentrations of isoflavones to produce phytomedicines with higher quality, and the red clover extract might be suitable for the treatment of inflammatory diseases.
Ribeiro, Vera Lucia Sardá. "Estudo do mecanismo de ação da atividade acaricida de Calea serrata (Asteraceae) em Rhipicephalus (Boophilus) microplus e da sua toxicidade em roedores". reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2012. http://hdl.handle.net/10183/60960.
Pełny tekst źródłaIt has been demonstrated that the n-hexane extract of Calea serrata had acaricidal activity against larvae of R. microplus and R. sanguineus. Acetylcholinesterase (AChE), an enzyme that hydrolyses acetylcholine at cholinergic synapses, is a target for pesticides and its inhibition by organophosphates leads to paralysis and death of arthropods. Extensive uses of acaricides/inseticides have induced resistance in arthropods, which can be related to higher activity of detoxification enzymes, such as glutathione-S-transferase (GST).The aims of the present study were to evaluate the acaricide activity of isolated constituent of n-hexane extract, the precocene II, and the essential oil of C.serrata, in addition to determine the chemical composition of essential oil. In order to understand the mechanism of the acaricidal action of C. serrata n-hexane extract, we investigated the effect of this extract on in vitro anticholinesterase activity of larvae from R. microplus and in brain structures of male Wistar rats, as well as, we investigated the effect of C. serrata on GST activity of larvae from R. microplus.The essential oil and the isolated compound, precocene II, showed larvicidal action. Several sesquiterpenes were detected in the essential oil of C. serrata. The n-hexane extract significantly inhibited in vitro acetylcholinesterase activity in R. microplus larvae and rat brain structures. The n-hexane extract of C. serrata inhibited significantly GST activity. Compounds of n-hexane extract from C. serrata may be potential inhibitors of AChE and GST, which may contribute to its tick toxicity. Considering that higher GST activities would reduce the efficiency of the pesticides, we can also suppose that C. serrata may be at least used as an adjuvant in tick control. The results support that inhibition of acetylcholinesterase is a possible mechanism of action of hexane extract at C. serrata.
Aletter, Candice Joy. "Protection of agency workers in South Africa : an appraisal of compliance with ILO and EU Norms". Thesis, University of Pretoria, 2016. http://hdl.handle.net/2263/60060.
Pełny tekst źródłaThesis (LLD)--University of Pretoria, 2016.
Mercantile Law
LLD
Unrestricted
Gouws, Nandel. "Wideband reflectance for assessing middle ear functioning for at-risk neonates in the NICU". Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/60360.
Pełny tekst źródłaDissertation (M Communication Pathology)--University of Pretoria, 2016.
Speech-Language Pathology and Audiology
M Communication Pathology
Unrestricted
Stols, Maria Jacoba. "The influence of pro-environmental motivation and intent on female consumers' apparel disposal behaviour". Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/60860.
Pełny tekst źródłaDie klere en tekstiel bedryf speel 'n noodsaaklike rol in die vermindering van natuurlike bronne, besoedeling en ander omgewingsprobleme. Pro-omgewings pogings moet dus aangemoedig word in alle stadiums van die klere voorsienings kettings, maar meer spesifiek ook in die wegdoen fase waarin verbruikers aangemoedig moet word om omgewings vriendelike opsies te oorweeg soos skenking, herwinning en herverkoping. Die doel van hierdie studie was vroulike verbruikers se pro-omgewings klere beskikkings motivering en bedoeling te verken en beskryf in 'n Suid Afrikaanse konteks. Die hipotese en konseptuele raamwerk vir hierdie studie is gebaseer op 'n kombinasie van die Teorie van Beplande Gedrag (TPB) en die Norm Aktiverings Teorie (NAT) se konsepte as die onderliggende motiverende faktore wat bydra tot verbruikers se pro-omgewings wegdoen voorneme. Die navorsing was uitgevoer in Gauteng provinsie, Suid Afrika. Die steekproef het uit 315 vroulike verbruikers bestaan; vroulike verbruikers was van besondere belang aangesien hulle geneig is om betrokke te raak in pro-omgewings gedrag tot 'n groter mate as mans. Hierdie kwantitatiewe studie het 'n deursnit opname-ontwerp gebruik waarvoor 'n Qualtrics web-gebaseerde vraelys ontwikkel is. Die data was ingevoer en verder gekodeer om beskrywende en inferentiële statistiek ontledings te ontwikkel. Die bevindings het aangedui dat die meeste respondente bewus is van hoe die wegdoen van klere die omgewing beïnvloed. Sosiale norme het die respondente se persoonlike norme beïnvloed, asook hul gedragspatrone intensie om pro-omgewings besluite te maak ten opsigte van die wegdoen van klere. Dit blyk dat die houdings van verbruikers hul pro-omgewings gedrags intensie ook aansienlik beïnvloed. In teenstelling hiermee, het waargeneemde gedrags beheer 'n swakker invloed op pro-omgewings voorneme. Die teoretiese bydrae van hierdie studie het betrekking tot die toepaslikheid van TPB en NAT konsepte in 'n plaaslike konteks. In terme van praktiese implikasies, was die gevolgtrekking dat die regering en besighede betrokke moet raak in die bevordering van pro-omgewings wegdoen opsies en die opvoeding van verbruikers oor die voordele van die afhandeling van klere op 'n pro-omgewings wyse.
Dissertation (MConsumer Science)--University of Pretoria, 2016.
Consumer Science
MConsumer Science
Unrestricted
Mkhondo, Sello Samuel. "The influence of leadership and management on teacher retention in Mpumalanga schools". Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/60960.
Pełny tekst źródłaDissertation (MEd)--University of Pretoria, 2016.
Education Management and Policy Studies
MEd
Unrestricted
Azevedo, Guerra Elzivir. "Trübemitführung feiner hydrophiler Teilchen in mechanischen Flotationsapparaten und deren Reduzierung". Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2009. http://nbn-resolving.de/urn:nbn:de:swb:105-2498846.
Pełny tekst źródłaØsthus, Per Magnus. "Concurrent operation of Bluetooth low energy and ANT wireless protocols with an embedded controller". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elektronikk og telekommunikasjon, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-14040.
Pełny tekst źródłaColom, Fajula Xavier. "Caracterització microestructural i mecànica de compòsits hdpe/fibres lignocel.lulòsiques". Doctoral thesis, Universitat Politècnica de Catalunya, 1999. http://hdl.handle.net/10803/6060.
Pełny tekst źródłaEn una primera etapa les fibres lignocel·lulòsiques han estat pretractades amb cada un dels diferents tipus d'agents d'adhesió utilitzats i comentats prèviament, per seguidament barrejar aquestes fibres (en proporcions del 10, 20, 30 i 40%) amb la matriu d'HDPE.
Una vegada els dos components s'han homogeneïtzat, es sotmeten a un procés de mòlta per aconseguir, mitjançant compressió, les provetes corresponents. Finalment, el conjunt de provetes ha estat exposat a condicions climàtiques dràstiques (baixa temperatura i fatiga tèrmica, dues característiques significatives de l'hivern canadenc) durant períodes variables de temps (0, 15, 30, 60 i 90 dies).
Per tal d'avaluar tots i cada un dels paràmetres més significatius d'aquests compòsits, s'ha fet una caracterització orientada en dues vessants: estudi de la compatibilitat entre components del compòsit i estudi dels canvis estructurals que pateixen els compòsits degut a fenòmens d'envelliment provocats per exposició a les condicions climàtiques prèviament comentades.
L'estudi de compatibilitat es fonamenta en les possibles interaccions que s'originen entre els dos components en funció del tipus de tractament al que ha estat sotmès el compòsit (silà i epolè). Per valorar aquestes interaccions, s'han estudiat diferents propietats mecàniques, com ara la resistència a la tracció, el mòdul d'elasticitat, la deformació a trencament, la resiliència i la tenacitat, mitjançant una màquina universal d'assaigs. Tanmateix també s'ha fet una caracterització espectrefotomètrica FT-ir per comprovar els diferents mecanismes d'adhesió que actuen en la interfase fibra- matriu en funció del tipus de tractament i una caracterització morfològica, utilitzant la tècnica de microscòpia electrònica de rastreig (SEM). Amb els resultats obtinguts de la caracterització espectrefotomètrica, també s'ha realitzat un seguiment de la influència que cada component fa en la modificació del grau de cristal·linitat de l'altre.
L'estudi dels canvis estructurals que pateixen els compòsits degut a fenòmens d'envelliment s'ha fet partint de l'evolució de les propietats mecàniques bàsiques en funció dels diferents períodes d'exposició, on s'han caracteritzat els mateixos paràmetres definits anteriorment. Mitjançant valoració espectrefotomètrica s'han mesurat els canvis microestructurals (principalment de configuració), així com les modificacions en el grau de cristal·linitat que han tingut lloc sobre cada un dels diferents components del compòsit.
Cal afegir que les possibilitats que ofereix la tècnica espectrefotomètrica FT-ir ha permès dur a terme la realització d'aquesta tesi. L'estudi dels canvis en la microestructura dels compòsits esdevinguts a partir dels fenòmens prèviament esmentats no hauria pogut fer-se sense la possibilitat d'un processament adequat dels espectres, així com d'una subtracció espectral que permet la detecció de moltes bandes complexes i difícils de detectar mitjançant altres tècniques d'anàlisi.
Los materiales compuestos se han obtenido a partir de polietileno de alta densidad y fibras lignocelulósicas que provienen del alamo temblón. Estos materiales con un máximo del 40% de refuerzo lignocelulósico han sido tratadas y modificadas con distintos tipos de agentes de acoplamiento (Silano A-174 y epoleno C-18) para mejorar la compatibilidad entre la matriz y el refuerzo.
Las fibras tratadas previamente con cada uno de los distintos tipos de agentes de adhesión utilizados, se mezclan en distintas proporciones de las mismas (10,20,30 y 40%) con la matriz de HDPE.
Una vez ambos componentes se han homogenizado se someten a un proceso de molturación para obtener probetas tipo halterio mediante compresión. Estas probetas se han sometido durante distintos períodos de tiempo (hasta 90 días) a condiciones de exposición drásticas (baja temperatura y fatiga térmica, características significativas del invierno canadiense).
Para evaluar los parámetros más significativos de estos materiales compuestos se ha caracterizado la compatibilidad entre la matriz y el refuerzo, asimismo también se han estudiado los cambios estructurales que sufren estos materiales debido a fenómenos de envejecimiento provocados por la exposición de los mismos a las condiciones climáticas previamente comentadas.
Els estudio de compatibilidad se centra en las posibles interacciones que se originen entre ambos componentes en función del tipo de tratamiento al que se ha sometido dicho material compuesto (silano y epoleno). Para valorar las interacciones que se generen entre ambos componentes, se ha ensayado distintas propiedades mecánicas (resistencia a tracción, módulo de elasticidad, deformación a rotura, resilencia y tenaciadad, utilizando la máquina universal de ensayos. Asimismo, también se ha caracterizado mediante espectroscopia de infrarrojo (FTIR) los posibles mecanismos de adhesión que tienen lugar entre la matriz y el refuerzo en función del tipo de tratamiento, asi como la caracterización morfológica utilizando la técnica de microscopía electrónica de barrido (SEM). A partir de los resultados obtenidos se ha podido seguir la influencia que tiene cada componente en la modificación de los respectivos grados de cristalinidad.
El estudio de los cambios estructurales a los que se han visto sometido los distintos materiales compuestos, debido a fenómenos de envejecimiento, se ha realizado mediante el seguimiento de la evolución de las propiedades mecánicas en función de los distintos períodos de exposición. Mediante valoración espectofotométrica se han medido los cambios micorestrucutrales (cambios de configuración), así como las modificaciones en el grado de cristalinidad sobre cada uno de los componentes de material compuesto.
Composite materials have been obtained from high density polyethylene (HDPE) and lignocellulosic fibers from aspen wood. These materials with a maximum of 40% of lignocellulosic reinforcement have been treated and modified with different types of coupling agents (Silane A-174 and epolene C-18) to improve the compatibility between the matrix and the reinforcement.
Four contents (10.20.30 and 40%) of fibers treated previously with each one of the different types of adhesion or coupling agents, are mixed with HDPE matrix.
The above mixture was compression-molded into dog-bone shaped tensile test specimens. The molding temperature was slowly raised to 150ºC and samples were held at this temperature for 20 min. Then the samples were slowly cooled to room temperature keeping constant pressure during cooling. These test specimens have been submitted during different periods of time (up to 90 days) to drastic conditions of exposition (low temperature and thermal stress, main characteristics of the Canadian winter).
In order to evaluate the most significant parameters of these composite materials, we have studied two ways: the compatibility between both components: matrix and reinforcement and the structural changes to composites due to phenomena of aging caused by the exposition of these materials to the drastic climatic conditions previously commented.
The study of compatibility has been centered in the possible interactions that are originated between both components as a function of lignocellulosic fiber pretreatment. In order to evaluate the interactions that are generated between both components, different mechanical test has been tested (tensile strength, elasticity modulus, deformation at break, resilence and toughness) by mean an Instron Testing Machine. Moreover, the possible mechanisms of adhesion that take place between the matrix and the reinforcement as a function of different pretreatments has been characterized by means infrared spectroscopy (FTIR), and by the morphologic characterization using the scanning electronic microscopy (SEM). From the obtained results it has been possible to follow the influence that has each component in the modification of the respective degrees of crystallinity.
The study of the structural changes of different composite materials, due to aging phenomena, has been analized by means of the pursuit of the evolution of the mechanical properties based on the different periods of exposure time. Furthermore the microstructural changes (basically configurational and crystallinity) has been evaluated by means of spectroscopy technique.
The obtained results indicate that the macroscopic properties of the composite materials must depend on the lignocellulosic fiber content and whether or not a coupling agent is used. SEM micrographs of fracture surfaces show that the addition of coupling agents enhances their dispersion in the continuous HDPE phase. They also show that the silane coupling agent facilitates the direct contact between the lignocellulosic fibers and HDPE matrix more than untreated and epolene treated composites do. The tensile strength depends on both the lignocellulosic fiber content and the type of coupling agent used. The other mechanical properties (elasticity modulus, elongation at break and toughness) mainly depend on the lignocellulosic fiber content and, to a lesser extent, on the presence of a coupling agent. Silane-treated composites show the best mechanical performance as a consequence of significant interactions at the interface between the HDPE matrix and the lignocellulosic fibers.
The differences observed between the various composites studied are explained by means of different adhesion mechanisms. Interdiffusion takes place in untreated composites; multiple mechanism of adsorption-wettability, interdiffusion and, to a lesser extent, chemical bonds take place in epolene treated composites, and finally, the adhesion in composites modified with silane is mainly a chemical mechanism of covalent bonds.
鈴木, 慎太郎, i Shintaro Suzuki. "臓器移植制度の理論(三) : 臓器移植の制度化にともなう実践的諸問題の法哲学的考察". 名古屋大学大学院法学研究科, 2004. http://hdl.handle.net/2237/6060.
Pełny tekst źródłaBoissonneault, Julie. "Représentations de l'enseignement et de l'apprentissage par des professeurs universitaires utilisant des médias interactifs à distance". Thesis, University of Ottawa (Canada), 2002. http://hdl.handle.net/10393/6060.
Pełny tekst źródłaAltice, Jessica Mae. "“You Can Fight Logic…But You Can’t Fight God”: The Duality of Religious Text and Church as Community for White Lesbians in Appalachian and Rural Places". Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6060.
Pełny tekst źródłaSingh, Pawanbir. "Enabling late-stage translation of regenerative medicine based products". Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/6060.
Pełny tekst źródłavan, Nobelen Robert. "Coding for the Rayleigh fading channel". Thesis, University of Canterbury. Electrical and Electronic Engineering, 1996. http://hdl.handle.net/10092/6060.
Pełny tekst źródłaGokce, Mersin. "Coupled stability analysis of close proximity ship towing". Thesis, Monterey California. Naval Postgraduate School, 2002. http://hdl.handle.net/10945/6060.
Pełny tekst źródłaThe scope of this thesis is to study the stability of two ships in close proximity towing. Unlike previous studies in the past, the lateral dynamics of both ships are included in the formulation. The equations of motion of the system consist of the sway and yaw motions of the two ships and a control law for the leading ship. An eigenvalue stability analysis of the coupled system confirms the results that are obtained through numerical simulations. It is shown that it is possible for the system to be unstable even through the classical criteria for the towing stability are satisfied. A series of parametric studies is conducted in order to analyze the sensitivity of the system for different towline lengths, tension, and control time constant.
Laporte, Marie Noël. "Traduction de fugues-poèmes : une approche intersémiotique". Mémoire, Université de Sherbrooke, 2015. http://hdl.handle.net/11143/6060.
Pełny tekst źródłaGalvão, Lurdes. "Avaliação nutricional do feno de lameiros do nordeste de Portugal. Possibilidades da utilização de métodos laboratoriais". Master's thesis, Instituto Agronómico e Mediterranico de Zaragoza, 1994. http://hdl.handle.net/10198/6060.
Pełny tekst źródłaEscola Superior Agrária de Bragança e Universidade de Trás os Montes e Alto Douro
Echenique, Yupanqui Mario Efrain. "Relación entre ingesta de proteínas de alto valor biológico y hierro dietario con niveles de hemoglobina en mujeres gestantes que asisten a consulta nutricional, Hospital EsSalud Chincha, julio a setiembre de 2016". Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2017. https://hdl.handle.net/20.500.12672/6060.
Pełny tekst źródłaTrabajo académico
Nackerdien, Moegammad Faeez. "A panel data analysis on the formal-informal sector linkages in South Africa". University of the Western Cape, 2017. http://hdl.handle.net/11394/6060.
Pełny tekst źródłaThere are few studies on linkages between the formal and informal sectors in South Africa. This study explores the types of linkages between the informal and formal sectors with empirical research concentrating on labour churning (movements between the informal and formal sectors). Using National Income Dynamics Study (NIDS 2008-2014) data from four waves, individuals are classified into labour market statuses based on the Heintz & Posel (2008) methodology. This study conducts labour market transitional matrices and finds formal employment to provide the most stability in terms of employment. The main focus is on the following three groups of employed: working in the formal sector in all four waves; working in the informal sector in all four waves; moving between the formal and informal sectors across all four waves. For those always working in the formal sector, they are predominantly females and Africans. Those who always work in the formal sector are most educated, while those always working in the informal sector are associated with low educational attainment. The descriptive statistics are followed by econometric analysis: in terms of attaining employment, being male and a higher educational attainment significantly increase the probability of finding employment. In terms of sustaining work, the same two covariates significantly increase the probability of sustaining work. Being the head of household is also a key covariate in significantly increasing the probability in maintaining and sustaining employment. In terms of transitioning to formal employment, being male, an increase in education and living with a partner (married or unmarried) significantly increase the probability of moving to formal sector employment. In addition, multinomial logistic regressions are conducted, and the results indicate that being a male significantly increases the probability of working in the formal sector for all four waves. Africans are also significantly more likely to be employed informally for all four waves and an increase in the years of education significantly increases the probability of being formally employed for all four waves. The household-level variables reveal that being the head household significantly increases the probability of being employed (especially formally employed for all four waves) while having children has a negative impact on being employed for all four waves.
Ceresér, Keila Maria Mendes. "Avaliação dos níveis de proteína ácida fibrilar glial em tecidos cerebrais de ratos submetidos a choque eletroconvulsivo". reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2005. http://hdl.handle.net/10183/6060.
Pełny tekst źródłaPaulo, Margarida do Rosario Domingos. "Fertility, sexuality and HIV/Aids prevention campaigns in Mafalala barrio, Maputo, Mozambique". Master's thesis, University of Cape Town, 2004. http://hdl.handle.net/11427/6060.
Pełny tekst źródłaThis paper attempts to understand perceptions of fertility and sexuality in relation to HIV/Aids prevention in Mafalala barrio, Maputo, Mozambique. The work explores ways in which people create or re-create meanings for fertility in order to fulfil kinship expectations. The notion of individual choice highlighted in the condom campaigns is contrasted with people's ideas about 'protection'. This suggests that socio-cultural factors should be taken into account when developing HIV/Aids prevention programs. The study concludes with a discussion of some lessons for the HIV/Aids educational programs in Mafalala and other areas similar to the barrio.
Kia, Arash. "Modeling the effects of many valley electron scattering on the current-voltage characteristics of resonant tunneling diodes /". Thesis, Connect to this title online; UW restricted, 1994. http://hdl.handle.net/1773/6060.
Pełny tekst źródłaHe, Jiexuan. "Effects of spin current in ferromagnets". Diss., Columbia, Mo. : University of Missouri-Columbia, 2008. http://hdl.handle.net/10355/6060.
Pełny tekst źródłaThe entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 4, 2009) Vita. Includes bibliographical references.
Sweat, Eric J. "Investigation of Structural Capacity of Geogrid-Reinforced Aggregate Base Materials in Flexible Pavements". BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/6060.
Pełny tekst źródłaBonDurant, Lucas Donald. "Regulation of glucose homeostasis by FGF21". Diss., University of Iowa, 2018. https://ir.uiowa.edu/etd/6060.
Pełny tekst źródłaRichey, David J. "Fault Seal Analysis for CO2 Storage: Fault Zone Architecture, Fault Permeability, and Fluid Migration Pathways in Exposed Analogs in Southeastern Utah". DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/6060.
Pełny tekst źródłaMasawi, Francisca. "Young Women's Perceptions of Factors Influencing Eating Disorders". ScholarWorks, 2018. https://scholarworks.waldenu.edu/dissertations/6060.
Pełny tekst źródłaTyutyunyk-Massey, Liliya. "MODULATION OF AUTOPHAGY AND SENESCENCE TO ENHANCE THE RESPONSE TO THERAPY IN TRIPLE NEGATIVE BREAST CANCER". VCU Scholars Compass, 2019. https://scholarscompass.vcu.edu/etd/6060.
Pełny tekst źródłaSquarcia, Catia <1989>. "“Dealing with the ecological crisis: a case for cultural approaches”". Master's Degree Thesis, Università Ca' Foscari Venezia, 2015. http://hdl.handle.net/10579/6060.
Pełny tekst źródłaТихенко, C. В. "Применение эколого-экономических показателей в управлении и планировании развития топливно-энергетического комплекса". Thesis, Суми, 1993. http://essuir.sumdu.edu.ua/handle/123456789/60660.
Pełny tekst źródłaApplication of environmental and economic indicators in the management and planning of the development of the fuel and energy complex
Щербак, В. Д. "Цілі та пріоритети стратегії інтеграції банківської системи України у світовий фінансовий простір". Thesis, Українська академія банківської справи Національного банку України, 2004. http://essuir.sumdu.edu.ua/handle/123456789/60260.
Pełny tekst źródłaМаркіна, І. А., i Л. П. Поставна. "Організація ризик-менеджменту в банківській сфері". Thesis, Українська академія банківської справи Національного банку України, 2004. http://essuir.sumdu.edu.ua/handle/123456789/60560.
Pełny tekst źródła