Navegação Ciências Exatas e da Terra por Título
Resultados 4059-4078 de 5964
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Prática pedagógica de docentes de ciências contábeis da região sul e sudeste do Brasil : um estudo da percepção da afetividade
(2015) [Artigo de periódico]Este estudo objetiva analisar os aspectos afetivos percebidos pelos docentes de Ciências Contábeis em suas práticas pedagógicas. As teorias que tratam da afetividade preconizam que o conjunto funcional afetivo influencia ... -
Práticas integrativas e complementares no Sistema Único de Saúde do Brasil : disputas político-epistemológicas
(2021) [Artigo de periódico]Este artigo apresenta um estudo de Epistemologia Política sobre a implementação de Práticas Integrativas e Complementares no sistema de saúde do Brasil. O objetivo foi analisar a controvérsia existente entre as recomendações ... -
Práticas integrativas e complementares : o que diz a literatura da área em educação em ciências sobre essa questão sociocientífica?
(2021) [Artigo de periódico]Dado o cenário da implantação das Práticas Integrativas e Complementares (PICs) no Sistema Único de Saúde e das reações negativas de instituições científicas e profissionais a essa medida, buscamos, no presente estudo, ... -
Precessing winds from the nucleus of the prototype Red Geyser?
(2019) [Artigo de periódico]Supermassive black holes (SMBHs) are present at the centre of most galaxies, with the related mass accretion processes giving origin to outflows in active galactic nuclei (AGNs). It has been presumed that only intense winds ... -
Precipitation anomalies in the Brazilian southern coast related to the SAM and ENSO climate variability modes
(2018) [Artigo de periódico]The precipitation pattern of the State of Rio Grande do Sul (RS) is changing, indicating an increase, although there are long periods of drought. Several studies indicate the influence of climate variability modes on RS ... -
Precision measurement of the structure of the CMS inner tracking system using nuclear interactions
(2018) [Artigo de periódico]The structure of the CMS inner tracking system has been studied using nuclear inter actions of hadrons striking its material. Data from proton-proton collisions at a center-of-mass energy of 13 TeV recorded in 2015 at the ... -
Precision measurement of the W boson decay branching fractions in proton-proton collisions at √s = 13 TeV
(2022) [Artigo de periódico]The leptonic and inclusive hadronic decay branching fractions of the W boson are measured using proton-proton collision data collected at √s=13 TeV by the CMS experiment at the CERN LHC, corresponding to an integrated ... -
Precision measurement of the Z boson invisible width in pp collisions at √s = 13 TeV
(2023) [Artigo de periódico]A precise measurement of the invisible width of the Z boson produced in proton-proton collisions at a center-of-mass energy of 13 TeV is presented using data recorded by the CMS experiment at the LHC, corresponding to an ... -
Pré-concentração de nitrosaminas a partir de amostras aquosas por extração em fase sólida e cromatografia capilar eletrocinética micelar
(2003) [Artigo de periódico]This paper describes the development of a methodology for solid phase extraction (SPE) and pre-concentration of nitrosamines from aqueous samples using granular activated charcoal as stationary phase. Micelar Electrokinetic ... -
Preconcentration and determination of As, Cd, Pb and Bi using different sample introduction systems, cloud point extraction and inductively coupled plasma optical emission spectrometry
(2012) [Artigo de periódico]This study deals with the development of a method for As, Bi, Cd and Pb preconcentration and determination using cloud point extraction (CPE) and inductively coupled plasma optical emission spectrometry (ICP OES). Hydride ... -
Prediction of chronic critical illness in a general intensive care unit
(2013) [Artigo de periódico]Objective: To assess the incidence, costs, and mortality associated with chronic critical illness (CCI), and to identify clinical predictors of CCI in a general intensive care unit. Methods: Thiswas a prospective observational ... -
Predictors of in-hospital mortality among patients with pulmonary tuberculosis : a systematic review and meta-analysis
(2018) [Artigo de periódico]Background: There is uncertainty regarding which factors are associated with in-hospital mortality among patients with pulmonary TB (PTB). The aim of this systematic review and meta-analysis is to identify predictors of ... -
Predisposing factors to the practice of self-medication in Brazil : results from the National Survey on Access, Use and Promotion of Rational Use of Medicines (PNAUM)
(2017) [Artigo de periódico]Objective To understand the predisposing factors that lead to the practice of self-medication and the factors associated with the use of medicines via self-medication in the adult population of Brazil. Methods The analyzed ... -
Predominance of the SARS-CoV-2 lineage P.1 and its sublineage P.1.2 in patients from the metropolitan region of Porto Alegre, southern Brazil in March 2021
(2021) [Artigo de periódico]Almost a year after the COVID-19 pandemic had begun, new lineages (B.1.1.7, B.1.351, P.1, and B.1.617.2) associated with enhanced transmissibility, immunity evasion, and mortality were identified in the United Kingdom, ... -
Preenchimento de falhas e espacialização de dados pluviométricos: desafios e perspectivas
(2020) [Artigo de periódico]A precipitação é uma das variáveis climáticas mais importantes para o planejamento urbano e rural, para monitorar eventos extremos que possam causar impactos na sociedade e auxiliar em projetos de drenagem urbana, a fim ... -
Preenchimento de falhas em séries temporais de precipitação diária no Rio Grande do Sul
(2020) [Artigo de periódico]O preenchimento de falhas em séries temporais de precipitação é um importante processo para aplicações em hidrologia, visando o aproveitamento de longas séries, evitando que as mesmas sejam descartadas. Desse modo, este ... -
Preface
(2009) [Texto de apresentação/encerramento] -
Prefacing unexplored archives from Central Andean surface-to-bedrock ice cores through a multifaceted investigation of regional firn and ice core glaciochemistry.
(2023) [Artigo de periódico]Shallow firn cores, in addition to a near-basal ice core, were recovered in 2018 from the Quelccaya ice cap (5470 m a.s.l) in the Cordillera Vilcanota, Peru, and in 2017 from the Nevado Illimani glacier (6350 m a.s.l) in ... -
Preferential duplication of intermodular hub genes : an evolutionary signature in eukaryotes genome networks
(2013) [Artigo de periódico]Whole genome protein-protein association networks are not random and their topological properties stem from genome evolution mechanisms. In fact, more connected, but less clustered proteins are related to genes that, in ... -
Preliminary investigation of medicinal herb adulteration using comprehensive two-dimensional gas chromatography and chemometric analysis
(2015) [Artigo de periódico]Anise is frequently found among the ingredients described in the label of cosmetic products. However, the use of fennel instead of anise may occur due to the lower price of fennel. The main differences in volatile profile ...