987 resultados para Lectotype designation


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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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A padronização internacional de doenças é um processo complexo que necessita de uma equipe especializada. Esta comunicação visa a esclarecer e sugerir correções de um provável equívoco na tradução, para o português da CID-10, do código A30, no qual os termos borderline e dimorfo são utilizados como subcategorias distintas e não como sinônimos, assim como substituir a designação lepromatosa por virchoviana pois, no Brasil, o vocábulo lepra foi abolido dos textos oficiais, por uma lei federal em 1995.

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The neotype of Lupinus villosus Willd., chosen on the suposition that the original collection had been lost during the destruction of the Berlin Herbarium (B) is rejected here. A lectotype is proposed based on the specimens of Willdenow's Herbarium (B-W), still extant.

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The previously but not validly published name Stichosiphon mangle is validated by designation of a type.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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The sixty-four known species of Ceraeochrysa Adams, 1982 are described, illustrated, and GEOGRAPHICAL DISTRIBUTIONS given. A preliminary phylogeny of the species is presented. Eleven species are newly described (C. achillea, C. angusta, C. beliaensis, C. bitacornua, C. chiricahuae, C. curvabilis, C. digitata, C. derospogon, C. diverticula, C. forcipata, and C. panamensis). Two species are returned to this genus (C. laufferi and C. placita). Three names are synonymized: Chrysopa silvestrina Navas, 1929 = Ceraeochrysa cincta (Schneider, 1851); Chrysopa gradata Navas, 1913 = Ceraeochrysa effusa (Navas, 1911); and Chrysopa aroguesina Navas, 1929 = Ceraeochrysa laufferi (Navas, 1922). Two new lectotype designations are indicated: Chrysopa cincta Schneider, 1851 and Chrysopa valida Banks, 1895. New status is given to Ceraeochrysa parvula (Banks, 1903).

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The Brazilian Consensus on Gastroesophageal Reflux Disease considers gastroesophageal reflux disease to be a chronic disorder related to the retrograde flow of gastroduodenal contents into the esophagus and/or adjacent organs, resulting in a variable spectrum of symptoms, with or without tissue damage. Considering the limitations of classifications currently in use, a new classification is proposed that combines three criteria - clinical, endoscopic, and pH-metric - providing a comprehensive and more complete characterization of the disease. The diagnosis begins with the presence of heartburn, acid regurgitation, and alarm manifestations (dysphagia, odynophagia, weight loss, GI bleeding, nausea and/or vomiting, and family history of cancer). Also, atypical esophageal, pulmonary, otorhinolaryngological, and oral symptoms may occur. Endoscopy is the first approach, particularly in patients over 40 yr of age and in those with alarm symptoms. Other exams are considered in particular cases, such as contrast radiological examination, scyntigraphy, manometry, and prolonged pH measurement. The clinical treatment encompasses behavioral modifications in lifestyle and pharmacological measures. Proton pump inhibitors in manufacturers' recommended doses are indicated, with doubling of the dose in more severe cases of esophagitis. The minimum time of administration is 6 wk. Patients who do not respond to medical treatment, including those with atypical manifestations, should be considered for surgical treatment. Of the complications of gastroesophageal reflux disease, Barrett's esophagus presents a potential development of adenocarcinoma; biopsies should be performed, independent of Barrett's esophagus extent or location. In this regard the designation short Barrett's is not important in terms of management and prognosis. © 2002 by Am. Coll. of Gastroenterology.

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Thermal transformations on microalloyed steels can produce multiphase microstructures with different amounts of ferrite, martensite, bainite and retained austenite. These different phases, with distinct morphologies, are determinant of the mechanical behavior of the steel and can, for instance, affect the crack path or promote crack shielding, thus resulting in changes on its propagation rate under cyclic loading. The aim of the present work is to evaluate the effects of microstructure on the tensile strength and fatigue crack growth (FCG) behaviour of a 0.08%C-1,5%Mn (wt. pct.) microalloyed steel, recently developed by a Brazilian steel maker under the designation of RD480. This steel is being considered as a promising alternative to replace low carbon steel in wheel components for the automotive industry. Various microstructural conditions were obtained by means of heat treatments followed by water quench, in which the material samples were kept at the temperatures of 800, 950 and 1200 °C. In order to describe the FCG behavior, two models were tested: the conventional Paris equation and a new exponential equation developed for materials showing non-linear FCG behavior. The results allowed correlating the tensile properties and crack growth resistance to the microstructural features. It is also shown that the Region II FCG curves of the dual and multiphase microstructural conditions present crack growth transitions that are better modeled by dividing them in two parts. The fracture surfaces of the fatigued samples were observed via scanning electron microscopy in order to reveal the fracture mechanisms presented by the various material conditions. © 2010 Published by Elsevier Ltd.

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The aim of this work was to critically assess the Brazilian regulations on fruit juices, with emphasis on ready-to-drink fruit juice. According to the Brazilian regulations, bottled fruit juices must follow specific regulations. They should be in accordance with the definition and designation that identify them, with the quality parameters established, and especially, follow the Brazilian food labeling regulations. The Brazilian regulations on bottled fruit juices have some gaps that promote their misunderstanding and marketing of substandard juices. Frequent changes, divergent labeling regulations and inappropriate use of expressions on the label can also lead to misinterpretation. Food regulations need to be clear and updated frequently if they are to be known and followed. Additionally, their wide dissemination should contribute to informed choices when buying.

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Includes bibliography

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Pós-graduação em Artes - IA

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Pós-graduação em Direito - FCHS

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Geologia Regional - IGCE