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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.
1

Modeling the transmission loss of typical home constructions exposed to aircraft noise

Firesheets, Nathan 14 November 2012 (has links)
Current aircraft noise guidelines are based primarily on outdoor sound levels. However, human perception is highly related to indoor response, particularly for residences. A research project has been conducted that provides insight into how typical residential dwelling envelopes affect sound transmitted indoors. A focus has been placed on the effect of residential dwelling envelopes on subsonic civil aircraft noise. Typical construction types across the United States have been identified and used to develop model predictions of outdoor-to-indoor transmission loss. While it was initially hypothesized that these construction types could be grouped by climate region, it was found that these constructions are better grouped according to their outermost construction layer. Further, the impact of systematically altering construction variables (such as the construction materials used and the ratio of window area to wall area) has been investigated. Results will be used to better understand trends for expected noise reduction for typical construction types around the United States. Additionally, comparisons have been made between the effect of older and more modern wall construction techniques on whole-house performance.
2

Avalia??o da sensibilidade ? insulina em equinos de uso militar. / Evaluation of insulin sensitivity in horses feeding diet with high level of soluble carbohydrates.

T?rner, Silvia Paranhos 03 March 2009 (has links)
Made available in DSpace on 2016-04-28T14:59:49Z (GMT). No. of bitstreams: 1 SilVia Paranhos Turner.pdf: 1472322 bytes, checksum: 4103df96d4e3b8e5e15b1066a63561ea (MD5) Previous issue date: 2009-03-03 / The study was carried out to evaluate insulin sensitivity in orses fed diets with high level of soluble carbohydrates. The study was undertaken at the 2nd Cavalary and Guard Regiment Andrade Neves Regiment, situated in Rio de Janeiro, in the year of 2007. Blood samples were taken monthly from fasting horses, and body condition scores (BCS) evaluated during nine consecutive months, from February to October, 2007. Blood was sampled into heparinized and fluorized vacutainer tubes and centrifuged, plasma separated, refrigerated and transported to the EQUILAB Laboratory at the Federal Rural University of Rio de Janeiro, where plasma was stores at -20oC. Plasma was analyzed for glucose spectrophotometrically, and insulin by radioimmunoassay. Basal proxies were calculated for the assessment of insulin sensitivity (RSQUI) and pancreatic beta cell response (MIRG). Feed and hay samples were taken monthly and analyzed for nutrient contend. A glycemic index test was undertaken in a selected group of six horses from the sampled group. No significant relation was found between colic incidence and sex, plasma glucose, insulin, MIRG and RSQUI. Animals that had colic had a trend (P = 0.072) to have a higher BCS, compared to animals without colic during the analyzed period. Horses that had colic had lower body weights than horses without colic (P < 0.05), suggesting that these animals also had lower lean mass, and perhaps more fat. Insulin sensitivity (RSQUI) was higher in the months of higher physical activity. Results of the current study indicate that physical activity is the best prevention for insulin resistance, and, at the same time helps to reduce body fat, and indirectly prevent the occurrence of colic. / Este trabalho teve como objetivo avaliar a sensibilidade ? insulina em eq?inos alimentados com dieta com n?veis elevados de carboidratos sol?veis escolhidos por conveni?ncia. O estudo foi realizado no 2o Regimento de Cavalaria e Guarda - Regimento Andrade Neves, na cidade do Rio de Janeiro, durante os anos de 2007 e 2008. Durante nove meses consecutivos, de Fevereiro a Outubro de 2007, os eq?inos eram submetidos ? coleta sangu?nea em jejum e avaliado o escore e peso corporal. O sangue foi coletado em tubos de vacutainer heparinizados e fluoretados e as amostras foram centrifugadas, amostradas e transportadas refrigeradas at? o laborat?rio EQUILAB na Universidade Federal Rural do Rio de Janeiro, onde eram armazenadas em freezer a 20 0C. O plasma foi submetido a determina??o de glicose por espectofotometria e a insulina por radioimunoensaio. Os proxies basais foram calculados na avalia??o da sensibilidade insul?nica e a resposta secret?ria insul?nica. As amostras de feno e ra??o comercial foram coletadas mensalmente para an?lise bromatol?gica. Ao t?rmino do ensaio, o ?ndice glic?mico do concentrado comercial foi avaliado em seis eq?inos do grupo experimental. N?o houve correla??o entre a incid?ncia de c?lica com idade, sexo, concentra??o plasm?tica de glicose e insulina, MIRG e RISQI e resist?ncia ? insulina. Os animais com c?lica apresentaram tend?ncia (P = 0,072) a ter um maior escore corporal comparado aos animais sem c?lica durante o per?odo avaliado. Os eq?inos com c?lica apresentavam menor peso do que animais sem c?lica (P < 0,05) os eq?inos com peso menor maior correla??o com a incid?ncia de c?lica, logo sugere que estes animais t?m maior quantidade de massa de gordura. A sensibilidade a insulina foi maior nos meses de maior atividade f?sica. Os resultados deste estudo indicam que a atividade f?sica ? a preven??o mais efetiva da resist?ncia a insulina e, ao mesmo tempo, auxilia na redu??o da gordura corporal e indiretamente pode prevenir a incid?ncia de c?licas.
3

Obesidade, desregula??o insul?nica e lipidemia mista em equinos da ra?a mangalarga marchador / Obesity, insulin deregulation and mixed lipidemia in horses of the mangalarga walker breed

Mello, Erica Bertha Fuhrich Raupp Bezerra de Mello 25 October 2016 (has links)
Submitted by Celso Magalhaes (celsomagalhaes@ufrrj.br) on 2017-08-22T12:11:35Z No. of bitstreams: 1 2016 - Erica Bertha Fuhrich Raupp Bezerra de Mello.pdf: 1405623 bytes, checksum: 5fa531efb35b7236db276d4de4b56a2e (MD5) / Made available in DSpace on 2017-08-22T12:11:35Z (GMT). No. of bitstreams: 1 2016 - Erica Bertha Fuhrich Raupp Bezerra de Mello.pdf: 1405623 bytes, checksum: 5fa531efb35b7236db276d4de4b56a2e (MD5) Previous issue date: 2016-10-25 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / Increased indicators of fat metabolism are found in Equine Metabolic Syndrome (EMS) subjects although these symptons are not included in the EMS definition described in the literature and in its diagnosis. 18 mares were allocated in three groups according to body condition status. In Group Ideal there were animals in fit condition (n=6), in Group Overweight, considered in overweight (n=6) and in Group Obese (n=6), animals considered obese. Fasting blood samples were taken to determine triglycerides, total cholesterol, glucose, and insulin concentrations in plasma. Insulin sensitivity proxy (RISQI) and ?-pancreatic secretion proxy (MIRG) were calculated from glucose and insulin data. There was a difference between groups in triglycerides levels (p<0.01), where Group Obese had significantly higher concentrations than other groups. Total cholesterol was higher in Group Obese compared to Group Ideal (p=0.01). No differences in plasma glucose (p=0.53) nor insulin (p = 0.10) concentrations and insulin sensitivity (RISQI: p=0.46) were seen among groups. Group Obese had a higher ?-pancreatic secretion (MIRG: p=0.05) compared to Group Ideal. The increased body condition score influenced the results of fat metabolites and ?-pancreatic secretion / O aumento das concentra??es de indicadores do metabolismo de gorduras ? bastante comum em casos diagnosticados de S?ndrome Metab?lica Equina (SME), mas apesar disto n?o entra no hall de fatores determinantes para diagn?stico da SME. Para avaliar a influ?ncia do escore corporal (EC) nas altera??es secund?rias associadas ? SME, foram avaliados lipidograma, glicemia, concentra??o de insulina, sensibilidade ? insulina (RISQI) e secre??o ?-pancre?tica de tr?s grupos de de ?guas Mangalarga Marchador n?o-getsantes/n?o-lactantes em tr?s diferentes categorias de EC (Ideal, Sobrepeso e Obeso). Cada grupo contou com 6 animais. Foram coletadas amostras de sangue em jejum de concentrado para a determina??o de concentra??o plasm?tica de triglicer?deos, colesterol total, glicose e insulina e a partir dos valores de glicemia e insulinemia foram calculados valores preditivos de sensibilidade ? insulina (RISQI) e secre??o ?-pancre?tica (MIRG). Houve diferen?a estat?stica entre os grupos quando avaliado os n?veis de triglicer?deos (p<0,01), sendo que o Grupo Obeso apesentou resultados significativamente superiores aos demais grupos. Foi observada diferen?a estat?stica entre os grupos quando avaliado as concentra??es de colesterol total (p=0,01), sendo que o Grupo Obeso apresentou resultados significativamente superiores ao Grupo Ideal. N?o foi observada diferen?a estat?stica entre os grupos nas concentra??es plasm?ticas de glicose (p=0,53) e insulina (p=0,10). N?o foi observada diferen?a estat?stica nos valores obtidos de RISQI (p=0,46), mas houve diferen?a estat?stica entre os grupos nos valores obtidos de MIRG (p=0,05), sendo que o Grupo Obeso obteve resultados significativamente superiores quando comparado com o Grupo Ideal. O escore corporal influenciou de forma positiva nos resultados do lipidograma e valor preditivo de secre??o ?-pancre?tica, sendo encontrados maiores n?veis em animais obesos.
4

S?ndrome metab?lica e risco cardiovascular na p?s- menopausa: avalia??o por diferentes crit?rios diagn?sticos e influ?ncia de fatores s?cio-econ?micos

Silveira, Inavan Lopes da 28 July 2008 (has links)
Made available in DSpace on 2014-12-17T14:13:36Z (GMT). No. of bitstreams: 1 InavanLS.pdf: 1364854 bytes, checksum: ba90b85051f2ebfc654a59eda4cafaef (MD5) Previous issue date: 2008-07-28 / The metabolic syndrome (MetS) involves a group of risk factors and is associated with a significantly higher risk of developing cardiovascular diseases (CVD) and type 2 diabetes. Recent studies have shown the importance of preventing CVD through early diagnosis and treatment of patients with MetS. The objective of our study was to determine the prevalence of MetS by different diagnostic criteria in postmenopausal women and analyze the influence of socioeconomic factors on cardiovascular risk in this sample of the population. A cross-sectional study involving 127 postmenopausal women (45 to 64 years) from Natal and Mossor?, Brazil. The study was approved by the Research Ethics Committee of the Federal University of Rio Grande do Norte. The experimental protocol consisted of applying structured interview, clinical examination and implementation of dosages blood. The diagnosis of MetS was based on NCEP-ATP III (National Cholesterol Education Program-Adult Treatment Panel III) and IDF (International Diabetes Federation) criteria. The research was accomplished with the participation of an interdisciplinary team in their several phases. The result of the sample studied had mean age of 53.9 ? 4.6 years and per capita income of 54.5 dollars. The prevalence of MetS, according to NCEP-ATP III and IDF criteria, was 52.8% and 61.4$, respectively. The agreement rate between NCEP-ATP III and IDF criteria was 81.9%, with a kappa value of 0.63 (CI 95%, 0.49-0.76), indicating good agreement between the two definitions. The most prevalent cardiovascular risk factor was HDL < 50 mg/dl, observed in 96.1% of the women analyzed, followed by increased waist circumference (&#8805; 80 cm) in 78.0%, elevated blood pressure in 51.2%, triglycerides &#8805; 150 mg/dl in 40.9% and glycemia &#8805; 100 mg/dl in 37.0% of the women. The occurrence of MetS was significantly associated with schooling and body mass index (BMI). High blood pressure was significantly associated with low family income, low schooling and weight gain. There was no significant association between the intensity of climacteric symptomatology and the occurrence of MetS. The conclusions of the research were that MetS and its individual components show a high prevalence in postmenopausal Brazilian women, and significant associations with weight gain and low socioeconomic indicators. The data point to the need for an interdisciplinary approach at the basic health care level, directed toward the early identification of risk factors and the promotion of cardiovascular health of climacteric women. / A s?ndrome metab?lica (SM) engloba um grupo de fatores de risco, estando associada com aumento significativo do risco para desenvolvimento de doen?as cardiovasculares (DCV) e diabetes tipo 2. Recentes pesquisas t?m demonstrado a import?ncia da identifica??o precoce e tratamento de pacientes com SM, visando ? preven??o das DCV. O objetivo do nosso trabalho foi determinar a preval?ncia de SM por diferentes crit?rios diagn?sticos em mulheres na p?s-menopausa e analisar a influ?ncia da intensidade dos fatores s?cio-econ?micos sobre o risco cardiovascular nessa amostra da popula??o. Foi realizado estudo transversal envolvendo 127 mulheres na p?s- menopausa (idade de 45 a 64 anos) residentes em Natal e Mossor?, Rio Grande do Norte. O estudo foi aprovado pelo Comit? de ?tica em Pesquisa da Universidade Federal do Rio Grande do Norte. O protocolo experimental constou da aplica??o de entrevista estruturada, exame cl?nico e realiza??o de dosagens sangu?neas. O diagn?stico de SM foi estabelecido com base nos crit?rios NCEP-ATP III (National Cholesterol Education Program - Adult Treatment Panel III) e da IDF (International Diabetes Federation). A pesquisa foi realizada com a participa??o de uma equipe interdisciplinar nas suas diversas fases. O resultado da amostra estudada apresentou m?dia de idade de 53,9 ? 4,6 anos e renda per capita m?dia de 54,5 d?lares. A preval?ncia de SM conforme os crit?rios NCEP-ATP III e IDF foi de 52,8% e 61,4%, respectivamente. A taxa de concord?ncia entre os crit?rios NCEP-ATP III e IDF foi de 81,9%, com valor de kappa de 0,63 (IC 95%, 0,49-0,76), indicando haver boa concord?ncia entre as duas defini??es. O fator de risco cardiovascular mais prevalente foi HDL<50 mg/dl, observado em 96,1% das mulheres analisadas, seguido por circunfer?ncia da cintura aumentada (&#8805;80 cm) em 78,0%, eleva??o da press?o arterial em 51,2%, triglicer?deos &#8805; 150 mg/dl em 40,9% e glicemia &#8805; 100 mg/dl em 37,0% das mulheres. A ocorr?ncia de SM foi significativamente associada com a escolaridade e ?ndice de massa corporal (IMC). Press?o arterial elevada foi significativamente associada com baixa renda familiar, baixa escolaridade e ganho de peso. N?o houve associa??o significativa entre a intensidade da sintomatologia climat?rica e ocorr?ncia de SM. As conclus?es da pesquisa foram que a SM e seus componentes individuais apresentam elevada preval?ncia em mulheres brasileiras na p?s-menopausa, havendo associa??es significativas com o ganho de peso e indicadores de baixo n?vel s?cio-econ?mico. Os dados apontam para a necessidade da abordagem interdisciplinar no n?vel da aten??o b?sica em sa?de, voltada para a identifica??o precoce de fatores de risco e promo??o da sa?de cardiovascular das mulheres no climat?rio.
5

Manifesta??es oculares em mulheres com s?ndrome dos ov?rios polic?sticos: preval?ncia e associa??o com fatores de risco metab?licos e inflamat?rios

Souza J?nior, Jos? Edvan de 12 December 2014 (has links)
Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-02-03T20:17:16Z No. of bitstreams: 1 JoseEdvanDeSouzaJunior_TESE.pdf: 4464573 bytes, checksum: 5324301dc91ae3b1ebc14996e9c4b9df (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-02-03T23:28:42Z (GMT) No. of bitstreams: 1 JoseEdvanDeSouzaJunior_TESE.pdf: 4464573 bytes, checksum: 5324301dc91ae3b1ebc14996e9c4b9df (MD5) / Made available in DSpace on 2016-02-03T23:28:42Z (GMT). No. of bitstreams: 1 JoseEdvanDeSouzaJunior_TESE.pdf: 4464573 bytes, checksum: 5324301dc91ae3b1ebc14996e9c4b9df (MD5) Previous issue date: 2014-12-12 / Objetivos: Estimar a preval?ncia de altera??es do filme lacrimal e da doen?a do olho seco (DOS), comparar as mudan?as na press?o intraocular (PIO) e comparar as espessuras macular e da camada de fibras nervosas da retina (CFNR), entre mulheres com s?ndrome dos ov?rios polic?sticos (SOP) e mulheres saud?veis, estratificando-as em condi??es cl?nicas, metab?licas e inflamat?rias. Metodologia: O estudo incluiu 45 mulheres com SOP e 47 mulheres saud?veis ovulat?rias submetidas a avalia??es cl?nico-ginecol?gicas e oftalmol?gicas, incluindo proped?uticas para a avalia??o do filme lacrimal e medida da PIO, e medi??o da espessura macular, da CFNR e par?metros do disco ?ptico usando tomografia de coer?ncia ?ptica. Resultados: Tempo de ruptura do filme lacrimal (TRFL; p=0.001) e impregna??o por fluoresce?na (p=0.006) apresentaram diferen?as estatisticamente significantes entre os grupos estudados. A preval?ncia de DOS foi de 44,4% nas portadoras de SOP. Houve redu??o estatisticamente significativa do TRFL na presen?a de SOP (p=0.001). Al?m disso, houve efeito estatisticamente significativo de intoler?ncia ? glicose e s?ndrome metab?lica/inflama??o na impregna??o por fluoresceina (p=0.004; p=0.015, respectivamente). A PIO encontrou-se estatisticamente mais elevada no grupo SOP que no grupo controle (p=0.011). Houve um aumento na m?dia do IPC (?ndice press?o-c?rnea) com a associa??o entre SOP e da s?ndrome metab?lica (p = 0.005); A m?dia da espessura da CNFR superior ao redor do nervo ?ptico foi estatisticamente mais espessa nas volunt?rias com SOP que nas volunt?rias saud?veis (p=0.036); Ap?s estratifica??o pela presen?a de resist?ncia insul?nica, as m?dias dos subcampos das espessuras maculares ?macular interno temporal, macular interno inferior, macular interno nasal e macular externo nasal, foram mais espessas no grupo SOP que no grupo controle (p<0.05); Houve associa??o significativa entre obesidade e resist?ncia insul?nica (p=0.037), e intoler?ncia ? glicose (p=0.001), com aumento m?dio do componente principal 1 (CP1), e, na presen?a de s?ndrome metab?lica (p<0.0001), com aumento m?dio do componente principal 2 (CP2), respectivamente, em rela??o ? espessura macular total. Na presen?a de obesidade e inflama??o, houve redu??o no escore m?dio da CP2 (p=0.034), em rela??o ? espessura da CFNR na m?cula. xviii Conclus?es: H? uma associa??o da SOP, suas altera??es metab?licas e inflamat?rias com altera??es do filme lacrimal e com mudan?as na PIO. A diminui??o na espessura da CFNR macular e aumento da espessura total macular est?o possivelmente associadas ?s altera??es metab?licas, e, o aumento na espessura da CFNR ao redor do nervo ?ptico est?o provavelmente associadas ?s altera??es hormonais, inerentes ? SOP.

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