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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
91

Pull Manufacturing System Design for Rough Mill Systems: A Case Study

Norman, Garrett Todd 17 June 2008 (has links)
Domestic secondary wood products manufacturers are losing their competitive edge in the global economy. Foreign competition is steadily gaining market-share due to decreased labor costs. While domestic operations can not compete with labor costs available to foreign manufacturers, they may be able to remain competitive through product lead time reduction and on-time delivery to the final customer. Pull based manufacturing is one technique to reduce lead time increase on-time delivery. Value stream mapping was used in this project to evaluate a furniture rough mill located in Virginia to assess the current state, as well as develop 2 future state value streams. The current state evaluation found the system to be yield driven and production was based on a forecast. The lead time for internal nightstand components in the current state was found to be 15.1 hours. Using pull production and supermarket methodology in proposed future states, it was found that the lead time could be reduced to 7.5 hours. Lead times could be reduced by eliminating yield increasing non-value added activities currently in place which not only increase lead time, but also manufacturing waste as defined by lean manufacturing concepts. A cost analysis found that the labor and overhead costs associated with yield increasing activities in the current state outweighed the costs of a decreased yield measurement in the future state. While this project was limited to one rough mill and one product family of a lesser valued wood species it represents what is possible for assisting secondary manufacturers to remain competitive. The once successful traditional yield driven rough mill does not guarantee internal customer satisfaction and in this project is not cost effective. Future research should focus on the implications of the furniture rough mill's inability to meet downstream demand to internal customers. / Master of Science
92

A ampliação do espaço da moral no utilitarismo de John Stuart Mill: uma comparação com a moral do utilitarismo de Bentham / The ampliation of morality place on John Stuart Mill\'s utilitarianism: a comparison with Bentham\'s utilitarian morality

Dias, Maria Cristina Longo Cardoso 18 August 2011 (has links)
Este trabalho tem por objetivo provar que há mais espaço para elaboração de regras morais no utilitarismo de Mill quando comparado ao utilitarismo de Bentham. Para que esta tese seja provada é necessário comprovar que a concepção de natureza humana do indivíduo teórico de Mill é mais complexa do que a concepção de natureza humana de Bentham, pois é a ciência da natureza humana que constitui o fundamento das prescrições da moralidade. Esta tese provará que a natureza humana do indivíduo teórico de Bentham resume-se a uma natureza humana dotada, principalmente, de uma razão capaz de formular cálculos complexos entre prazer e dor (que inclui a intensidade, proximidade, longinquidade, etc) para decidir sobre a melhor ação (aquela que aponta para o prazer, no cômputo geral do balanço). Em outras palavras, um apelo ao primeiro princípio, ao princípio de utilidade é efetuado a cada ação, questionando as regras do costume e reduzindo o espaço da moral a apenas ao princípio de utilidade. Para Mill, ao contrário, a natureza humana é mais complexa. Ela é composta, de leis da mente ou leis psicológicas, da tese hedonista (que significa que os indivíduos buscam prazer e evitam a dor, assim como para Bentham) e subteses da tese hedonista, como o fato de que os indivíduos, por natureza, agem por hábito, possuem faculdades elevadas das quais derivam prazeres de qualidade superior e possuem a capacidade de se transformar ao longo do tempo. Essas características da natureza humana do indivíduo teórico de Mill permitem converter um princípio de utilidade mais complexo que prescreve que é correto buscar o prazer e fugir da dor como característica central, mas que ressalta que mais elementos precisam ser aventados para que se compreenda a busca do prazer ou a busca da felicidade. É precisamente quando a formulação do princípio de utilidade de Mill abre espaço para que mais elementos precisem ser expostos para que se entenda a busca do prazer ou a maximização da felicidade, que surge a possibilidade de elaboração de regras morais, preceitos ou princípios secundários que permitem que o agente guie-se no mundo prático. Em outras palavras, a natureza mais complexa do indivíduo teórico de Mill admite a elaboração de um princípio de utilidade mais complexo que dá margem à elaboração de uma moralidade também mais complexa, com mais regras morais (ainda que inicialmente embasadas em um cálculo de prazer) relativamente à moral de Bentham. / This work aims to prove that there is more place for the elaboration of moral rules in Mills utilitarianism when compared to Benthams utilitarianism. To prove this thesis it is necessary that Mills conception of human nature be more complex than Benthams conception of human nature, given the fact that it is science of human nature which holds the foundation of morality. This thesis will prove that human nature of Benthams individuals is resumed to a human nature which main feature is an instrumental reason, able to formulate complex calculations between pleasure and pain (which includes intensity, proximity, duration, etc of the pleasures and pains) to decide about the best action (the one which decides for pleasure, once made the balance). In other words, an appeal to the first principle, to the principle of utility is done in each action, questioning customary rules and reducing morality to the principle of utility. For Mill, on the contrary, human nature is more complex. It consists of laws of mind or psychological laws, of hedonistic thesis (which means that individuals look for pleasure and avoid pain in the same sense as Benthams individuals) and sub-thesis of hedonistic thesis, such as the fact that individuals act by habit, they have elevated faculties which derive pleasures of higher qualities and they hold the capacity of transforming themselves through time. Those human nature features of Mills individuals permits to formulate a more complex principle of utility which determines that it is right to look for pleasure and right to avoid pain as the main feature, but many more elements need to be sustained in order to achieve a better understanding of happiness. It is precisely when the formulation of Mills principle of utility opens room for more elements to explain the search of pleasure and the avoidance of pain or the maximization of happiness, that the possibility of formulation of moral rules becomes plausible. Secondary principles are necessary in Mills system to be formulated, so the agent can guide himself in the practical world without an appeal to the first principle in each action. In other words, Mills more complex individuals nature permits the elaboration of a more complex principle of utility which opens place for the elaboration of a more complex morality with more moral rules (even if, initially, those moral rules are grounded on a calculation between pleasure and pain) when compared to Benthams morality.
93

Modeling and control of mechanical impact on the spindles of hot steel rolling mill

Zhang, Kun January 2002 (has links)
Spindle failure during fast steel rolling is one of the major equipment failures encountered at Onesteel Whyalla Steelworks (WS). Spindle failure whilst infrequent has been occurring over a long period of time and is a significant cost impost in terms of replacement parts, repair and lost production. Previous attempts at mechanical analysis and spindle redesign have not rectified the problem. This thesis presents an in-depth investigation of the problem and uses a completely new approach, modeling and control, to obtain a solution to the problem.
94

J.S. Mill's re-conceptualization of liberty

Garmong, Robert Allen 28 August 2008 (has links)
Not available / text
95

John Stuart Mill and the paternalism issue / John Stuart Mill y la cuestión sobre el paternalismo

Cornejo Amoretti, Leandro 10 April 2018 (has links)
The present investigations study the John Stuart Mill thinking and his position towards paternalism justification, taking into account the harm principle elaborated in his book “On Liberty”. Two are the objectives of this paper. In first place, the anti - paternalist tesis sustained by this autor will be analyzed to identify deficiencies and limitations. In second place, it is sought to determine to what extent they actually opposed such interventions, to verify the accuracy of that somewhat extended belief that sees Mill a strong opponent of paternalism. It is concluded that the defects of Mill’s theses are explained in good account due to an excess of optimism in the capacities of human beings for self-regulation, a strong skepticism about the capacity of the State to achieve effective paternalistic measures, granting From an excessively strong and unrealistic weight to individual autonomy, among other erroneous considerations. It is also concluded that it is not correct to say that John Stuart Mill has maintained an extremely broad or almost absolute antipaternalistic thesis. Although his famous principle of harm makes it impossible to validate many measures of this nature, a more detailed review of his entire work shows that Mill admitted the validity of many interventions in adults. / La presente investigación estudia el pensamiento de John Stuart Mill y su posición alrededor de la justificación del paternalismo, tomando en consideración el principio de daño elaborado en su obra “Sobre la libertad”. Dos son los objetivos de este trabajo. En primer lugar, se analizarán las tesis anti-paternalistas sostenidas por este autor para identificar sus deficiencias y limitaciones. En segundo lugar, se busca determinar hasta qué punto dichas tesis realmente se opusieron a dichas intervenciones, para verificar la exactitud de aquella creencia algo extendida que considera a Mill como un fuerte opositor del paternalismo. Se concluye que los defectos de las tesis de Mill se explican en buena cuenta debido a un exceso de optimismo en las capacidades de los seres humanos para la auto-regulación, un fuerte escepticismo sobre la capacidad del Estado para lograr medidas paternalistas efectivas, el otorgamiento de un peso excesivamente fuerte e irrealista a la autonomía individual, entre otras consideraciones erróneas. Asimismo se concluye que no es correcto afirmar que John Stuart Mill haya sostenido una tesis anti-paternalista sumamente amplia o casi absoluta. Si bien su famoso principio de daño permite excluir de validez a muchas medidas de dicha naturaleza, una revisión más detallada de toda su obra permite mostrar que Mill admitió la validez de muchas intervenciones en adultos.
96

HART SOBRE O PRINCÍPIO DE MILL / HART ON MILL S PRINCIPLE

Ferrari, Patricia Medianeira Mino 15 April 2011 (has links)
This work aims to investigate the relationship between legality and morality in the view of the Law theorist Herbert L.A Hart. We analyze the claims which arouse as a reaction against the polemical Report of the Wolfenden Committee on Homosexual Offences and Prostitution from 1957. This report addresses the decriminalization of male homosexual conduct and prostitution based on the argument that there should be a field of private morality and immorality which did not belong to the legal scope. First, we analyze the works by Hart which deal with the relationship between law and morals. Then, we investigate the Harm Principle or Principle of Civil Liberties, supported by John Stuart Mill in his work On Liberty , and which served as a support for the conclusions of the Report. Finally, we analyze the claims made by Hart on behalf of a mitigated form of Mill‟s Principle, as well as the impact of these claims among theorists such as Patrick Devlin, Peter Cane and Neil Mac Cormick. / O presente trabalho tem por objetivo investigar a relação entre legalidade e moralidade na concepção do teórico do Direito Herbert L. A. Hart. Analisamos os argumentos que surgiram como reação ao polêmico Relatório do Comitê Departamental de Crimes Homossexuais e Prostituição, de 1957. Esse relatório versa sobre a descriminalização de condutas homossexuais masculinas e da prostituição, apoiando-se no argumento de que haveria um campo de moralidade e imoralidade privadas que não pertenceria à seara legal. Inicialmente, analisamos as obras de Hart que tratam da relação entre Direito e Moral. Depois, investigamos o Princípio do Dano, ou Princípio da Liberdade Civil, defendido por John Stuart Mill na obra On Liberty, e que serviu de suporte argumentativo para as conclusões do Relatório. Finalmente, analisamos os argumentos lançados por Hart em defesa de uma forma mitigada do Princípio de Mill, bem como a repercussão desses argumentos entre teóricos como Patrick Devlin, Peter Cane e Neil Mac Cormick.
97

A ampliação do espaço da moral no utilitarismo de John Stuart Mill: uma comparação com a moral do utilitarismo de Bentham / The ampliation of morality place on John Stuart Mill\'s utilitarianism: a comparison with Bentham\'s utilitarian morality

Maria Cristina Longo Cardoso Dias 18 August 2011 (has links)
Este trabalho tem por objetivo provar que há mais espaço para elaboração de regras morais no utilitarismo de Mill quando comparado ao utilitarismo de Bentham. Para que esta tese seja provada é necessário comprovar que a concepção de natureza humana do indivíduo teórico de Mill é mais complexa do que a concepção de natureza humana de Bentham, pois é a ciência da natureza humana que constitui o fundamento das prescrições da moralidade. Esta tese provará que a natureza humana do indivíduo teórico de Bentham resume-se a uma natureza humana dotada, principalmente, de uma razão capaz de formular cálculos complexos entre prazer e dor (que inclui a intensidade, proximidade, longinquidade, etc) para decidir sobre a melhor ação (aquela que aponta para o prazer, no cômputo geral do balanço). Em outras palavras, um apelo ao primeiro princípio, ao princípio de utilidade é efetuado a cada ação, questionando as regras do costume e reduzindo o espaço da moral a apenas ao princípio de utilidade. Para Mill, ao contrário, a natureza humana é mais complexa. Ela é composta, de leis da mente ou leis psicológicas, da tese hedonista (que significa que os indivíduos buscam prazer e evitam a dor, assim como para Bentham) e subteses da tese hedonista, como o fato de que os indivíduos, por natureza, agem por hábito, possuem faculdades elevadas das quais derivam prazeres de qualidade superior e possuem a capacidade de se transformar ao longo do tempo. Essas características da natureza humana do indivíduo teórico de Mill permitem converter um princípio de utilidade mais complexo que prescreve que é correto buscar o prazer e fugir da dor como característica central, mas que ressalta que mais elementos precisam ser aventados para que se compreenda a busca do prazer ou a busca da felicidade. É precisamente quando a formulação do princípio de utilidade de Mill abre espaço para que mais elementos precisem ser expostos para que se entenda a busca do prazer ou a maximização da felicidade, que surge a possibilidade de elaboração de regras morais, preceitos ou princípios secundários que permitem que o agente guie-se no mundo prático. Em outras palavras, a natureza mais complexa do indivíduo teórico de Mill admite a elaboração de um princípio de utilidade mais complexo que dá margem à elaboração de uma moralidade também mais complexa, com mais regras morais (ainda que inicialmente embasadas em um cálculo de prazer) relativamente à moral de Bentham. / This work aims to prove that there is more place for the elaboration of moral rules in Mills utilitarianism when compared to Benthams utilitarianism. To prove this thesis it is necessary that Mills conception of human nature be more complex than Benthams conception of human nature, given the fact that it is science of human nature which holds the foundation of morality. This thesis will prove that human nature of Benthams individuals is resumed to a human nature which main feature is an instrumental reason, able to formulate complex calculations between pleasure and pain (which includes intensity, proximity, duration, etc of the pleasures and pains) to decide about the best action (the one which decides for pleasure, once made the balance). In other words, an appeal to the first principle, to the principle of utility is done in each action, questioning customary rules and reducing morality to the principle of utility. For Mill, on the contrary, human nature is more complex. It consists of laws of mind or psychological laws, of hedonistic thesis (which means that individuals look for pleasure and avoid pain in the same sense as Benthams individuals) and sub-thesis of hedonistic thesis, such as the fact that individuals act by habit, they have elevated faculties which derive pleasures of higher qualities and they hold the capacity of transforming themselves through time. Those human nature features of Mills individuals permits to formulate a more complex principle of utility which determines that it is right to look for pleasure and right to avoid pain as the main feature, but many more elements need to be sustained in order to achieve a better understanding of happiness. It is precisely when the formulation of Mills principle of utility opens room for more elements to explain the search of pleasure and the avoidance of pain or the maximization of happiness, that the possibility of formulation of moral rules becomes plausible. Secondary principles are necessary in Mills system to be formulated, so the agent can guide himself in the practical world without an appeal to the first principle in each action. In other words, Mills more complex individuals nature permits the elaboration of a more complex principle of utility which opens place for the elaboration of a more complex morality with more moral rules (even if, initially, those moral rules are grounded on a calculation between pleasure and pain) when compared to Benthams morality.
98

Efeito de soluções de enxágüe na remoção de resíduos de mancozeb em tomates / Effect of rinsing solutions in waste removal of mancozeb in tomatoes

ALVES, Márcia Regina Ribeiro 08 May 2008 (has links)
Made available in DSpace on 2014-07-29T15:22:58Z (GMT). No. of bitstreams: 1 marcia regina ribeiro alves.pdf: 452897 bytes, checksum: 176d4d065ab6a2068b7a4fde3b142306 (MD5) Previous issue date: 2008-05-08 / Fungicides are the pesticides mostly used the tomato crop. Among the fungicides the dithiocarbamates are the mostly used. The objective of this work was to study the efficiency of the dithiocarbamate mancozeb removal from tomatoes through processes of washes. We performed analyses of acidity, brix, the activity of water (aw), pH and content of manganese for tomatoes. After completing the procedures of the fruit flush with tap water, vinegar, alcohol, and sodium bicarbonate solution of sodium dichloroisocyanurate dihydrate the level of the fungicide mancozeb was assessed in skin and whole fruit. It was observed that the process of the fruit flush significantly reduces the amount of residues in tomatoes. The reduction of mancozeb was higher in the skin, which are present in highest concentration. The treatments using tap water and sodium bicarbonate removed over 61% of the residue present in the skin of tomatoes / Dentre os agrotóxicos mais utilizados na cultura do tomate estão os fungicidas e, dentre estes, os mais aplicados na cultura são os ditiocarbamatos. O objetivo deste trabalho foi estudar a eficiência da remoção do ditiocarbamato mancozeb em tomates através de processos de enxágüe. Foram realizadas análises de acidez, brix, da atividade de água (aw), pH e teor do manganês para os tomates. Após realização do processos de enxágüe do fruto com água de torneira, vinagre de álcool, bicarbonato de sódio e solução de dicloroisocianurato de sódio dihidratado foi avaliado o teor do fungicida mancozeb na película e fruto inteiro. Observou-se que o processo de enxágüe do fruto reduz significativamente a quantidade resíduos nos tomates. A redução de mancozeb foi maior na película, onde estão presentes em maior concentração. Os tratamentos usando água de torneira e bicarbonato de sódio removeram acima de 61% dos resíduos presentes na película dos tomates
99

Efecto de la atmosfera controlada y manejo de temperatura en la calidad de palta Hass

Quezada T., Diana January 2005 (has links)
No description available.
100

Urbanistická studie konverze Tomioka Silk Mill, Japonsko / Urban Study of conversion of Tomioka Silk Mill, Japan

Havlík, Jan January 2012 (has links)
The Tomioka Silk Mill, an extraordinary industrial heritage in the Prefecture of Gunma on the Honshu island, is waiting to be included to the List of Unesco (nowadays is only on the List Tentative). Former factory, documenting the integration of French technology and Japonese architecture, was realised on the principle of classical factory zoning. The conversion of the mill, aiming at multiple-municipal functions, is reflected in a new urbanistic conception of the area in the municipal context. The project proposes and checks functional zones for users and sightseeing routes for turists. The part of that is evaluating the potential of the mill objects, of the landscape of the mill and of the functional municipal relations.

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