2,610 research outputs found

    Huntsville Times sleeve HT0007699

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    ROTC competition / Parking lot of Joe Davis Stadium / Christopher Plott / Kennedy [Myhre] / D. M. Therrell / Rodsey Smith Shawna Fitzpatrick / [Jere] Grant / Darren Turner / Andrea Bailey / Jamie Davis / Jeremy Roberts / Samantha Bean / [Notes included

    Solving the More Difficult Aspects of Electric Motor Thermal Analysis in Small and Medium Size Industrial Induction Motors

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    With the ever-increasing pressure on electric motor manufacturers to develop smaller and more efficient electric motors, there is a need for more thermal analysis in parallel with the traditional electromagnetic design. Attention to the thermal design can be rewarded by major improvements in the overall performance. Technical papers published to date highlight a number of thermal design issues that are difficult to analyze. This paper reviews some of these issues and gives advice on how to deal with them when developing algorithms for inclusion in design software

    Casa Cogollo in Vicenza knowned as “Andrea Palladio’s house”

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    Rozważania autora skupiają się wokół postaci słynnego architekta włoskiego renesansu, Andrei Palladia. Jego twórczość zostaje przybliżona na podstawie historii ulokowanej w Vicenzy budowli „Casa Cogollo”. The author concentrates on the silhouette of a famous Italian Renaissance architect Andrea Palladio. His work is presented on the basis of the history of “Casa Cogollo” – a building situated in Vicenza

    Correspondence from Jacob C. Kellem to Andrea D. Lentz, October 23, 1973

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    The letter, dated October 23, 1973, addresses Ms. Andrea D. Lentz regarding the Paul Laurence Dunbar and Alice Dunbar Nelson papers. It highlights that the agreement signed by Miss Young was modified from a gift to a loan, allowing single-copy reproductions but not the sale of entire microfilm sets. Miss Young believes she is entitled to half the earnings from the microfilm sales, and the matter is recommended to be submitted to the Society's Director for consideration

    A Note on Case-Based Optimization with a Non-Degenerate Similarity Function

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    The paper applies the ��realistic-ambitious�� rule for adaptation of the aspiration level suggested by Gilboa and Schmeidler (1996) to a situation in which the similarity between the available acts is represented by a non-degenerate function. The paper shows that the optimality result obtained by Gilboa and Schmeidler (1996) in general fails. With a concave similarity function, the best corner act is chosen in the limit. Introducing convex regions into the similarity function improves the limit choice. A sufficiently fine similarity function allows to approximate optimal behavior with an arbitrary degree of precision.

    Chaos, loss, passage and desire. The experience of diaspora in the works of Edwidge Danticat, Jamaica Kincaid, Andrea Levy and Dionne Brand

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    This thesis brings together the visions of four women writers of West Indian descent (Edwidge Danticat, Jamaica Kincaid, Andrea Levy and Dionne Brand) and interprets their works through the most established theories of diaspora and postcolonial studies in the attempt to illustrate the composite nature of the experience of Caribbean diaspora. It lies on the premise that such a complex phenomenon must be interpreted as both an historical event, a private happening and a socio-cultural revolution, and leads to the conclusion that one single voice cannot be enough to represent its comprehensive identity. Multivocality thus becomes a necessity and the idea of assembling the images produced by a group of authors rather, than concentrating on one particular imagery, serves to foster a bird’s eye vision able to render the kaleidoscopic character of this experience. Each chapter turns around one of these writers, whose work is interpreted according to one dominant image. Resorting to a strategy based on the collection of apparently disparate images, this thesis reinforces the idea that the complexity of the Caribbean experience of diaspora cannot be interpreted univocally and that loss, desire, chaos and transition are the leading forces of this phenomenon

    VARIACIONES EN TORNO A LA RIQUEZA DE LA NADA: INFLUENCIA DEL PENSAMIENTO CHINO CLÁSICO Y EL BUDISMO ZEN EN LA POESIA DE JUAN L. ORTIZ, HUGO PADELETTI Y ARTURO CARRERA\ud \ud \ud \ud VARIACIONES EN TORNO A LA RIQUEZA DE LA NADA: INFLUENCIA DEL PENSAMIENTO CHINO CLÁSICO Y EL BUDISMO ZEN EN LA POESIA DE JUAN L. ORTIZ, HUGO PADELETTI Y ARTURO CARRERA

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    This dissertation investigates how Juan L Ortiz (1896-1978), Hugo Padeletti (1928), and Arturo Carrera (1948), interpret and represent Chinese classical and Zen Buddhist systems of thinking in their poetry, in 20th century Argentina. I argue that these authors share a common aesthetical and philosophical goal in their interpretations of Chinese, and Japanese systems of thinking portrayed in their poetry. They are seeking philosophical and aesthetical alternatives to Eurocentric Modernity. In order to achieve this, these three authors lean in their poetry towards the dissolution of the self, passivity, contemplation, silence and exposure to the outside. Nonetheless, their interpretations of these Chinese and Japanese systems of thinking change relative to the way in which they react to historical, social, cultural and political events that shaped their cultural contexts. \ud My investigation involves a close reading of the poetry of each author in the context of contemporary literary currents in 20th Century Argentina, in order to trace differences, and similarities, as well as individual specificities in their interpretations and representations of classical Chinese and Zen Buddhist verbal aesthetics and thought. The purpose of this research is to explore how, alongside during the 20th century, these Argentinian poets critique European Modernity in Argentina, through recurring to orientalism, as an alternative model to the Cartesian Rationalism and the other ideologies associated to the dominant discourse of progress

    Association of vitamin D with insulin resistance and β-cell dysfunction in subjects at risk for type 2 diabetes: Comment to Kayaniyil et al.

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    We read with interest the article by Kayaniyil et al. that supplied elegant data suggesting that 25- hydroxyvitamin D [25(OH)D] is related to insulin resistance and _-cell function in a large population at high risk for type 2 diabetes and/or metabolic syndrome, thus concluding that 25(OH)D may be an independent risk factor for diabetes. We have, however, some concerns. First, the studied population was mainly composed of obese subjects (the mean BMI was 30.5 kg/m2). Clearly, within a population with such a high BMI, the major variable influencing insulin sensitivity is fat mass. An increased fat mass (within the same BMI) could determine both the reduced insulin sensitivity and 25(OH)D. The two variables therefore correlate, but are not causally related. In our recently published article, we approached this important question by comparing two groups of obese subjects matched by BMI but different in terms of insulin sensitivity: no differences in 25(OH)D concentrations could be found, suggesting that the adipose tissue is its reservoir. Kayaniyil et al. themselves reported a weaker correlation in their obese (BMI 30 kg/m2) subpopulation but, unfortunately, they did not provide data on body composition. Second, although the correlation within the high risk (for diabetes) population is intriguing, a control population is missing. In particular, it is not reported whether the studied population has lower 25(OH)D concentration than an hypothetical control cohort. If this was not the case, the working hypothesis fails. How could normal 25(OH)D determine insulin resistance? Third, if 25(OH)D is involved in the pathogenesis of type 2 diabetes, one would expect that a supplementation of calcitriol or its analogues would ameliorate the glucose metabolism. This was not the case either in insulin-resistant diabetic patients or in healthy subjects (4). As we and others reported, 25(OH)D concentration mainly reflects body fat mass; the reduction of fat mass, rather than vitamin D supplementation, is the main road for the prevention and treatment of insulin resistance and diabetes

    Will vitamin D reduce insulin resistance? Still a long way to go

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    We read with interest the article by Alvarez et al, which aimed to investigate the relations of circulating 25-hydroxyvitamin D [25(OH)D] and parathyroid hormone (PTH) concentrations with direct measurements of insulin sensitivity, after robust measures of body composition and fat distribution were accounted for. We would like to express our opinion and a different interpretation of the data provided by authors, with the hope that other points for discussion are brought up. In a very recent publication, Alvarez et al provided novel findings suggesting that dietary vitamin D is independently associated with insulin sensitivity in African Americans (AAs) but not in European Americans (EAs). Interestingly, the 2 groups were identical for hepatic insulin sensitivity [homeostatic model assessment (HOMA)], whereas Si, a method for measuring insulin sensitivity that encompasses both hepatic and peripheral tissues, was lower in AAs, therefore suggesting a pivotal role for insulin resistance in skeletal muscle [especially in the presence of identical body mass index (BMI)] in correlation with 25(OH)D. In the present article, the authors suggest that 25(OH)D and PTH concentrations are independently associated with whole-body insulin sensitivity and suggest that these variables may influence insulin sensitivity through independent mechanisms. In fact, multiple linear regression analysis indicated that 25(OH)D and PTH concentrations were independently related to Si after adjustment for age, race, and intraabdominal adipose tissue. It is well known, however, that adipose tissue is the natural reservoir for lipo-soluble 25(OH)D. The higher BMI and the higher subcutaneous fat content found in AAs (although the latter difference was not statistically significant) could therefore explain the differences in 25(OH)D concentration, as well as in HOMA index, found by the authors. We examined the effect of 25(OH)D on insulin sensitivity in obese subjects and found a linear correlation between them, which is apparently in agreement with Alvarez et al. Obesity, however, is not invariably associated with insulin resistance, because normal insulin sensitivity can be present in some obese subjects. If 25(OH)D concentration influences insulin sensitivity independently of obesity, it should be found to be low in insulin-resistant obese subjects and high in insulin-sensitive obesity. We divided our obese population into 2 subgroups, according to their insulin sensitivity (low and high). The 2 groups were similar in BMI, age, and sex but did not show any difference in 25(OH)D concentration, thus confirming the hypothesis that 25(OH)D concentrations are not influenced by the degree of insulin resistance but mainly by the adipose tissue’s reservoir, at least in our EA participants. Unfortunately, in the presentstudied population but not in the previous one, AAs had higher BMI (and HOMA) and the actual role of these variables in determining hypovitaminosis D was not ruled out. In conclusion, we are certain that 25(OH)D concentration mainly reflects body fatmass, either subcutaneous or visceral; the reduction of fat mass, rather than vitamin D supplementation, is the best route for the prevention and treatment of insulin resistance and diabetes
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