Made available in DSpace on 2014-12-17T14:36:12Z (GMT). No. of bitstreams: 1 HerciliaMF.pdf: 1039662 bytes, checksum: 8210e0d427f6eccad7da7a78ca03ac0b (MD5) Previous issue date: 2008-10-29 / The research Cec?lia Meireles and the Pedagogical Lyric in Children My Love (1924) consists in a critical analysis, a cultural and historical approach to the pedagogical intentionalities and to the social and educational functionalities expressed in the childish literary work of the poetess and educator Cec?lia Meireles (1901-1964), in Brazil, during the first decades of XX century. The author s conceptions of the literary art, the philosophical and educational foundations, the Christian and liberal ideologies and values pertinent to her work for children and the relations between her texts and the ideals of the Brazilian intellectuals to effect changes in the every day life based on the child formation and on the teaching feminization process were examined in the work. This paper shows a content analysis with the intention of offering signification to the work Children My Love (1924) according to the investigation of specific categories: child, motherhood and schooling; through the exploration of synonymous and bipolar key-words found in Cec?lia s documents: child/adult, teacher/mother; school/home, ignorance/intelligence. The research intends to understand how the author articulates, in her informal pedagogical action in Children s Literature, science, literary and Christian faith knowledge, in order to expand her social and educational ideal concentrated in children, guided by the maternal hand and aimed at constructing a New Man, New Civilization and a New Social Order / O trabalho de pesquisa Cec?lia Meireles e a L?rica Pedag?gica em Crian?a meu Amor (1924) consiste em uma an?lise cr?tica, numa abordagem hist?rico-cultural, das intencionalidades pedag?gicas e funcionalidades s?cio-educativas expressas na produ??o liter?ria infantil da poetisa e educadora Cec?lia Meireles (1901-1964), no Brasil, durante as primeiras d?cadas do s?culo XX. No trabalho examinam-se as concep??es de arte liter?ria da autora, fundamentos filos?fico-educacionais, valores e ideologias liberais crist?s pertinentes ? sua produ??o para crian?as e as rela??es de seus textos com os ideais dos intelectuais brasileiros para efetivar modifica??es no cotidiano a partir da forma??o da crian?a e do processo de feminiza??o do magist?rio. O estudo realiza uma an?lise de conte?dos, buscando oferecer significa??o ? obra Crian?a meu amor (1924) conforme a investiga??o de categorias espec?ficas: crian?a, maternidade e escolariza??o; por meio da explora??o de palavras-chave sin?nimas e bipolares identific?veis nos documentos de Cec?lia: crian?a/adulto, professora/m?e, escola/lar, ignor?ncia/intelig?ncia. A pesquisa busca compreender como a autora articula, em sua a??o pedag?gica n?o-formal na Literatura Infantil, os saberes da ci?ncia, da literatura e da f? crist?, a fim de expandir seu ide?rio s?cio-educacional centrado na crian?a, guiado pela m?o materna e voltado ? constru??o de um Novo Homem, Nova Civiliza??o e Nova Ordem Social

Världen står inför ett stort vattenförsörjningsproblem som måste lösas – så många som 884 miljoner människor använder idag potentiellt förorenade vattenkällor till sitt dricksvatten. Denna rapport fokuserar på ett av de drabbade länderna som är Uganda. Syftet med projektet är att undersöka vilket/vilka av de fem olika ugandiska växterna; Erythrina abyssinica, Musa spp, Cyperus papyrus, Imperata cylindrica och Coffea canephora som är mest lämplig för rening av kadmium- och blykontaminerat grundvatten. Katjonbyteskapaciteten bestäms genom laboration. Analyser kring växtmaterialen görs med hjälp av litteraturstudier och intervjuer med en doktorand från Uganda. M. spp visar sig ha klart högst katjonbyteskapacitet och finns även i form av mycket avfall, därför anses denna vara det mest lämpliga materialet för rening. Lösningen skulle kunna implementeras i samhället med ett filter gjort av växtmaterial, om vidare forskning görs. / The world is facing a major water supply problem to solve, as many as 884 million people currently use potentially polluted water sources for their drinking water. This report focuses on one of the affected countries, which is Uganda. The project aims to examine which of the five different Ugandan plants; Erythrina abyssinica, Musa spp, Cyperus papyrus, Imperata cylindrica and Coffea canephora that is the most suitable for purification of cadmium- and lead contaminated groundwater. The cation exchange capacity is determined by laboratory experiment. Literature studies and interviews with a Ugandan postgraduate student are used for the analysis of the plant materials. M. spp has the highest cation exchange capacity and contributes with a lot of waste material; therefore it is considered the most suitable material for purification. The solution could be implemented in the community with a filter made of plant material, if further research is done.

This paper analyzed the FDI trends between Korea and its FTA partners which were Chile, Singapore and EFTA. The other group was central European countries and their FTA partner countries that are Chile, Mexico and South Africa. The empirical studies of FDI developments after FTA have found that the results were different from country to country even though they have the FTA status with the same countries. Korea has been increased FDI investment in its FTA partner countries but not with Chile and EFTA. Similarly, Germany has increased its FDI in their FTA partner countries after FTA. But most central European countries which are Czech Republic, Slovakia, Poland and Hungary were not much changed their FDI investment after FTA. But their investment also increased when we measure FDI in the absolute numbers between before and after FTA. Regarding the prospects of FDI flows between Korea and central European countries after ROKEU FTA, We took into accounts such as FDI trends with its FTA partners, FDI regime and current FDI position etc including ROKEU FTA itself. Basically, we could predict that FDI would increase in central European countries from Korea when we consider the previous trends between them and the results of empirical analyses of the FTA partner countries. So it is hard to say that FDI will be increased in Korea from these countries after FTA. But Germany would be very active outward economy and it would invest more in South Korea than before FTA.

Made available in DSpace on 2015-02-04T21:42:11Z (GMT). No. of bitstreams: 1 Rafael Campos.pdf: 443673 bytes, checksum: 8bbb84d49e00884fed113b3458bff151 (MD5) Previous issue date: 2006-06-07 / Introdução: Desde os anos 80 a qualidade de vida é um tema de pesquisa fundamental, que deve ser orientado pela avaliação do impacto nas habilidades físicas e na vida psicológica, social e espiritual do indivíduo, oferecendo subsídios para análise de custo-efetividade e para a otimização dos recursos disponíveis no sistema de saúde. No Brasil, são diagnosticados anualmente cerca de 8 mil novos casos de carcinoma espinocelular da cavidade bucal, estando sua etiologia associada ao hábito do tabagismo e etilismo. Objetivos: Avaliar a qualidade de vida, deglutição e desvantagem vocal em pacientes portadores de câncer de boca e orofaringe, e explorar a influência da radioterapia nos diferentes domínios de qualidade de vida. Casuística: Foram avaliados pacientes apresentando carcinoma espinocelular de boca e orofaringe submetidos ao tratamento cirúrgico e outras modalidades terapêuticas adjuvantes no período de setembro 2004 a abril 2005, decorridos seis a doze meses da assistência oncológica. Método: Uma ficha clínica contendo de dados demográficos, e os questionários QLQ-C30 (Qualidade Geral de Vida); H&N35 (Questionário Específico de Cabeça e Pescoço); SWAL-QOL (Questionário de Deglutição) e VHI (Índice de Desvantagem Vocal) foram aplicados. O teste de Mann-Whitney foi empregado para comparação dos valores medianos. Valores de p entre 0,10 e 0,05 foram considerados como indicativos de tendência de diferença estatisticamente significativa. Resultados: Participaram do estudo 25 pacientes sendo 64% do gênero masculino, e 44% na faixa etária de 64 a 74 anos. Dos 25 casos, 13 compreenderam lesão de cavidade oral e 12 lesão de orofaringe. Os locais de início da lesão mais freqüente foram língua e amídalas. Em relação às condições dentárias, 10 pacientes eram desdentados totais e 7 desdentados parciais. Houve leve comprometimento da QV, sendo que naqueles submetidos à RXT, houve uma piora na perda de apetite (p=0,052), e melhora na constipação (p=0,078) e na diarréia (p=0,054). Em relação a aspectos específicos de QV relacionados aos portadores de câncer de cabeça e pescoço, o impacto foi pequeno; os pacientes submetidos à RXT, apresentaram maior impacto nos domínios deglutição (p=0,009), abertura de boca (p=0,014), saliva espessa (p=0,070), percepção de olfato e paladar (p<0,000), comer socialmente (p<0,000) e problemas para falar (p=0,016), sendo que o emprego de suplementação alimentar também foi maior (p=0,008). Quanto à deglutição, nos pacientes submetidos à RXT, houve uma tendência de diferença estatisticamente significativa no domínio sono (p=0,082). Não foi notado comprometimento da QV relacionada à desordem da voz, porém os pacientes submetidos à RXT, declararam maior impacto nos domínios funcional (p=0,024) e físico (p=0,070) com pior escore final (p=0,036). Discussão: Os resultados foram comparados com dados da literatura. Foi enfatizado que o uso regular desse tipo de avaliação pode produzir conhecimento científico sistemático sobre o impacto das aplicações terapêuticas, e contribuir para a orientação e condução dos tratamentos.

Made available in DSpace on 2017-07-24T19:38:09Z (GMT). No. of bitstreams: 1 Vagner Guedes.pdf: 1132706 bytes, checksum: b60ded5d1361a2188f123ba34a1a0614 (MD5) Previous issue date: 2013-06-19 / To avoid pollution and damage to the environment, Effluents need of treatment. The appropriate target these effluents should be the (STP), which are responsible for the removal of contaminants. The wastewater treatment plants seek to apply the same natural principles, using the same organisms that proliferate in soil and water, improving processes and minimizing costs to get the highest possible efficiency and can use aerobic or anaerobic processes. There is worldwide increasing production of waste, among which stands out the sewage sludge, generated by the sheer volume and complexity of management, which typically involves several processing steps. Chemical study was made of the sludge from the sludge blanket reactor (UASB) during the period of one year, using as the main techniques Fluorescence X-ray Absorption Spectroscopy Atomic Emission Spectroscopy for Flame, UV-vis spectroscopy and metal extraction by Tessier method, the parameters analyzed were pH, cation exchange capacity, sum of bases, exchangeable acidity, potassium, phosphorus mineral, organic phosphorus, nitrogen and metals: barium, cadmium, lead, copper, chromium, iron , nickel, manganese, silver, and zinc. x / Os efluentes necessitam de tratamento, evitando a poluição e os danos causados ao ambiente. O destino adequado destes efluentes deve ser a (ETE), que são responsáveis pela remoção dos contaminantes. As estações de tratamento de efluentes procuram aplicar os mesmos princípios naturais, utilizando os mesmos organismos que proliferam no solo e na água, melhorando os processos e minimizando custos para obter a maior eficiência possível, podendo utilizar os processos aeróbios ou anaeróbios. Verifica-se em todo mundo a produção crescente de resíduos urbanos, entre os quais se destaca o lodo de esgoto, pelo grande volume gerado e pela complexidade de gerenciamento, que normalmente envolve diversas etapas de processamento. Fez-se estudo químico do lodo proveniente do reator de manto de lodo, (UASB) durante o período de um ano, utilizando como técnicas principais a Fluorescência de raios X, Espectroscopia de Absorção Atômica, Espectroscopia Emissão pela Chama, Espectroscopia UV-vis e Extração de metais pelo Método de Tessier, os atributos analisados foram pH, capacidade de troca catiônica, soma total das bases, acidez trocável, potássio, fósforo mineral, fósforo orgânico, nitrogênio e metais: bário, cadmio, chumbo, cobre, cromo, ferro, níquel, manganês, prata e zinco.

<p>Gas chromatography (GC) has been utilized for the study of enantiomer resolution of the atropisomers of PCBs, o,p´-DDD and o,p´-DDT. Different substituents and concentrations of cyclodextrin, capillary dimensions and type of stationary phase films have been investigated to achieve the resolution of as many of the atropisomers on one column as possible. The results indicated that the butyl substitution of 6-hydroxyl and the methyl substitution of 2- and 3-hydroxyl were the most promising for the enantiomeric separation. Using Capillary Electrophoresis (CE), the trimers and monomers of PM-β-CDs were compared for enantiomeric resolution, as well as comparing the cationic PMMA-β-CD with the anionic HS-β-CD. In these studies the trimer did not show an improved resolution for mepivacaine, when compared to the equimolar concentration of the monomer. The cationic CD gave increased resolution values for ibuprofen when compared to the anionic CD. A scheme for reversing enantiomeric elution order of both the basic propranolol and acidic ibuprofen is also presented, with the aim of facilitating the detection of impurities in a high sample loading. The detection of 1% of each enantiomer of propranolol, and 1% of R(-)-ibuprofen, was demonstrated, with elution prior to the tailing peak of the corresponding enantiomer. Dimethylacrylamide-coated capillaries were used in this work, and the stability of this coating was demonstrated, giving a highly reduced electroosmotic flow for up to six months. Enantiomeric baseline separations of omeprazole and 5-hydroxyomeprazole have also been achieved with both CE and Open Tubular Capillary Electrochromatography (OT-CEC) methods. With CE-UV, both a non-aqueous method (using HDMS-β-CD) and an aqueous method (using HS-β-CD) were used for enantiomeric resolution of the two racemates. Resolution of omeprazole was also achieved using CE-Electrospray Ionization-Mass Spectrometry (ESI-MS). In OT-CEC, avidin was immobilized on the inside surface of a fused silica capillary and was employed as chiral selector for the enantiomeric baseline resolution of omeprazole and 5-hydroxyomeprazole.</p>

The production and storage of uranium mine mill tailings have the potential to contaminate local groundwater and surface waters with metals and metalloids. As such, an understanding of the solids reservoirs for potential contaminants in uranium ore blends and leach residues (solid wastes generated by the milling of ore) is required to predict long-term controls on these contaminants in tailings porewaters. This study characterized the distribution of the elements of concern (EOCs; As, Mo, Ni, and Se) in uranium ores and waste rock used to blend the mill feeds in the milling process and leach residues from the Key Lake mining operation, Saskatchewan. This study also evaluated the alteration of the clay minerals in these uranium ores, waste rocks and leach residues. X-ray diffraction, electron micro-probe, and mineral liberation analyses showed that the reservoirs for As, Mo, Ni, and Se (in ores and ore blends) were dominated by sulphides including cobaltite, gersdorffite, molybdenite, pyrite, galena and chalcopyrite, secondary Ni-arsenates (annabergite?), Fe-arsenate (scorodite?) and Ni-Co/Ni-sulfates. The secondary arsenates and sulfates present in special waste were identified as major As, Mo, Ni, and Se bearing minerals and most likely the product of oxidation of arsenide-bearing sulphide minerals within the special waste rock. Analyses also showed that sulphides and arsenates occurred in trace amounts in the ores and special waste rock (0.5 to 1.0 wt %). Data showed that 55 to 90% pyrite, 36 to 51% chalcopyrite, 23 to 37% molybdenite, and 52 to 70% galena remained unleached in the leach residues after milling of the ore blends. The percentages of unleached minerals varied between mill feeds and were dependent on the grain-size distribution and the degree of mineral liberation. Cation exchange capacity (CEC) analysis indicated an increase of the CEC values in the leach residues suggesting possible evolution of 2:1 layers into high-charge layers during the milling.

The origin of fluorous interaction was explored and experimentally examined based on both HPLC and CEC data in this project. It was found that the selective fluorous interaction is a kind of reduced instantaneous or induced dipole interaction compared to the hydrophobic interaction. A series of FPPM preparation parameters were optimized. The optimized FPPM column can resolve the components in a manner that was otherwise not possible with its non-fluorous (hydrocarbon) counterpart. Following, the CEC separation of fluorous analytes on FPPM stationary phase based upon fluorous-fluorous interaction was realized for the first time. It was also found that, quantitatively, hydrophobic stationary phases have better methylene selectivity (〖 α〗_(-CH_2-)), while fluorous stationary phases have better perfluoromethylene selectivity (〖 α〗_(-CF_2-)). Thermodynamically, ∆G_(-CF_2- → -CF_2-)^° : ∆G_(-CH_2- → -CH_2-)^° (Gibbs free energy change of transferring a –CF2– unit to pure fluorous stationary phase versus Gibbs free energy change of transferring a –CH2– unit to pure hydrophobic stationary phase) is approximately equal to 8:1. A new concept, hypothetical water percentage (HWP) based on the comparison of 〖 α〗_(-CH_2-) and〖 α〗_(-CF_2-) was proposed for the first time to quantitatively evaluate the hydrophobicity/fluorophilicity of a stationary phase. A stationary phase can be classified as fluorous stationary phase when the HWP is less than 0 (more negative indicates more fluorous), or as a hydrophobic stationary phase when the HWP is larger than 100. For the range between 0 and 100, the stationary phase can be treated as either fluorous or hydrophobic due to the similar values of〖 α〗_(-CH_2-) and〖 α〗_(-CF_2-). Fluorous tagged peptides and proteins (up to 5800 Da) were effectively separated from their non-fluorous counterparts on the FPPM stationary phase in capillary-based columns and detected both on-line with ESI-MS and off-line with MALDI-MS. Finally, the FPPM solid-phase extraction (SPE) stationary phase was transplanted from the capillary to a microchip format. This microchip exhibits the merits of both selective fluorous interaction and micro total analysis system (µTAS). / Thesis (Ph.D, Chemistry) -- Queen's University, 2013-11-19 23:11:16.636

Gas chromatography (GC) has been utilized for the study of enantiomer resolution of the atropisomers of PCBs, o,p´-DDD and o,p´-DDT. Different substituents and concentrations of cyclodextrin, capillary dimensions and type of stationary phase films have been investigated to achieve the resolution of as many of the atropisomers on one column as possible. The results indicated that the butyl substitution of 6-hydroxyl and the methyl substitution of 2- and 3-hydroxyl were the most promising for the enantiomeric separation. Using Capillary Electrophoresis (CE), the trimers and monomers of PM-β-CDs were compared for enantiomeric resolution, as well as comparing the cationic PMMA-β-CD with the anionic HS-β-CD. In these studies the trimer did not show an improved resolution for mepivacaine, when compared to the equimolar concentration of the monomer. The cationic CD gave increased resolution values for ibuprofen when compared to the anionic CD. A scheme for reversing enantiomeric elution order of both the basic propranolol and acidic ibuprofen is also presented, with the aim of facilitating the detection of impurities in a high sample loading. The detection of 1% of each enantiomer of propranolol, and 1% of R(-)-ibuprofen, was demonstrated, with elution prior to the tailing peak of the corresponding enantiomer. Dimethylacrylamide-coated capillaries were used in this work, and the stability of this coating was demonstrated, giving a highly reduced electroosmotic flow for up to six months. Enantiomeric baseline separations of omeprazole and 5-hydroxyomeprazole have also been achieved with both CE and Open Tubular Capillary Electrochromatography (OT-CEC) methods. With CE-UV, both a non-aqueous method (using HDMS-β-CD) and an aqueous method (using HS-β-CD) were used for enantiomeric resolution of the two racemates. Resolution of omeprazole was also achieved using CE-Electrospray Ionization-Mass Spectrometry (ESI-MS). In OT-CEC, avidin was immobilized on the inside surface of a fused silica capillary and was employed as chiral selector for the enantiomeric baseline resolution of omeprazole and 5-hydroxyomeprazole.

This diploma thesis deals with the composting of biodegradace waste in selected plants. The goal was to determine the CEC according to Sandhoff and to create a proposal for the optimal composting technology of biodegradable materials in Trhový Štěpánov composting plant. Samples were taken from five selected plants, from the EKOSO Trhový Štěpánov composting plant, the municipalcomposting plant Votice, AGORY s.r.o. Želivec, kompostárny Jarošovice s.r.o. and the HANTÁLY composting plant in Velké Pavlovice. The thesis contains two interconnected parts, theoretical knowledge and practical part, where the results of laboratory analyzes are summarized.