Abstract: This study aims to evaluate the litterfall of three areas in the tropical rain forest, in different successional stages, in the municipality of Siderópolis , Southern Santa Catarina state . Fifteen collectors of 0.25 m 2 each were

Resumo: O presente estudo objetivou avaliar a produção de serapilheira de três áreas da Floresta Ombrófila Densa, em diferentes estádios sucessionais, no município de Siderópolis, Sul de Santa Catarina. Foram utilizados 15 coletores

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Abstract: Herbaria and living collections play an indispensable role in species conservation strategies. The objective of this work is to discuss the formation of the MFS - Marlene Freitas da Silva herbarium, at the Universidade do Estado do Pará, with the goals

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Abstract: Structural adjustments in plants may occur in response to environmental constraints, which may influence plant growth and development, as well as patterns of species coexistence. Of wide geographical distribution in the Atlantic Forest, T

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Abstract: Snakes play an important ecological role, interacting with other species and feeding on some that are considered pests and illness vectors. The present work aims to list the snake species present in the Municipality of Ituiutaba, southeastern Brazil. The da

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Resumo: As leucemias são neoplasias malignas que acometem as células do sangue e têm origem na medula óssea. São cânceres de grande incidência e de difícil tratamento, havendo, portanto, a uma constante procura por terapias mais eficientes. O presente trabalho inve

Abstract: Leukemias are malignant neoplasms that affect blood cells and originate in bone marrow. These are cancers of high incidence and are difficult to treat and there is a constant search for more efficient therapies. The present work investigated the cytotoxic a

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Abstract: The goal of this study was to evaluate the cytotoxicity and genotoxicity of diet shakes of three brands widely marketed in Brazil, named in this study of A, B and C. Assessments were carried out on root meristem cells of Allium cepa at exposure times 24 and

Resumen: Objetivou-se na presente pesquisa avaliar a citotoxicidade e a genotoxicidade de diet shakes de três marcas amplamente comercializadas no Brasil, denominadas neste estudo de A, B e C. As avaliações foram realizadas em células meristemáticas de raízes de All

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Resumo: Esta pesquisa teve por objetivo avaliar os impactos das precipitações máximas na bacia hidrográfica do rio Doce na probabilidade de ocorrência de vazões de alerta de inundação no Município de Colatina, ES, por meio do modelo Logit. Para isso, consideraram-se

Abstract: his research aimed to evaluate the impacts of maximum rainfall in watershed of the Rio Doce in the probability of flooding alert flow in the municipality of Colatina, ES, Brazil, using Logit model. To this, it were considered the rainfall stations of the loca

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Abstract: square error (RMSE) and coefficient of determination (R 2 ). The results demonstrate the high capability of the LS -SVM and GMDH -type polynomial neural network f or prediction of thickness and micro -hardness values with lowest MAE, RMSE and highest R 2 . D

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Resumo: Artigo Original DOI:10.5902/2179460X24887 Ciência e Natura, Santa Maria v.39 n.3, 2017, Set - Dez, p. 569 – 594 Revista do Centro de Ciências Naturais e Exatas - UFSM ISSN impressa: 0100-8307 ISSN on-line: 2179-460X Recebido: 25/11/2016 Aceito: 27/06/201

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Abstract: Given the great variability of the precipitation in the Brazilian Northeast, it is necessary to use climate indexes for its m onitoring. In this sense , this work aims to present a study of the space -time variati on in the rainfall at the Salgado Basin, lo

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Abstract: Temperature is one of the most important variables used in climate studies. Changes in its time series can cause various soci al and political impacts, affecting diverse sectors of society, such as agriculture, for example. Southern Brazil is a region that

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Abstract: Solid waste s from furniture industries require proper disposal and may have potential to be used as input in other production chains. Th e aim of the current study is to assess the use of medium density fiberboard (MDF) to produc e bio -oil and carbon

Resumo: Os resíduos sólidos oriundos das indústr ias moveleiras demandam correta destinação e podem apresentar potencial para ser empregado como insumo em outras cadeias produtivas. O presente estudo tem por objetivo avaliar o emprego do resí

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Resumo: O mel é um produto com elevado valor nutritivo e propriedades terapêuticas. Entretanto, pode apresentar diferentes defeitos decorrentes do mal processamento ou fraudes, necessitando de rigoroso controle de qualidade e fiscaliza

Abstract: Honey is a food of high nutritional value and therapeutic properties ; however, it may present different non -conformities due to poor processing or fraud . Therefore, the honey production chain requir es strict quality control and inspec

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Resumo: Este estudo foi desenvolvido baseado nos princípios da Engenharia Didática visando estudar e discutir as contribuições que o uso do software GeoGebra pode oferecer para a compreensão de conceitos matemáticos frequentemente usados para o cálculo de áreas e vol

Abstract: This research was developed based on the principles of the Didactic Engineering, to study and discuss the contributions that the use of the GeoGebra software may offer to understanding of mathematics concepts often used to evaluate areas and volumes of revolu

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Resumo: Neste trabalho, apresentamos a oficina temática “A Química das Cores”, desenvolvida no decorrer de uma pesquisa de mestrado, e aplicada para estudantes da 3ª série do Ensino Médio, de uma escola pública de Santa Maria/RS. A oficina temática foi a metodolo

Abstract: In this paper, we present the thematic workshop “The Chemistry of Colors”, developed during a master degree research, and applied to students of the 3rd grade of high school, from a public school in Santa Maria/RS. The thematic workshop was the teaching met

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Resumo: É indubitável a importância das práticas de educação ambiental, pois se destinam a promover a sadia qualidade de vida, consoante o art. 225 da Constituição Federal, privilegiando o princípio constitucional da dignidade da pessoa humana, al

Abstract: The importance of environmental education practices is undeniable, since they are designed to promote a healthy quality of life, according to art. 225 of the Federal Constitution, privileging the constitutional principle of the dignity of the human person,

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Resumo: Neste artigo são relatados resultados parciais de uma pesquisa realizada num curso de Mestrado Profissional em Ensino de Física e Matemática , tendo como propósito investigar as contribuições que a Metodologia da Resolução de Problemas e a utilização de jo

Abstract: n this article the pa rtial results of a research accomplished in a Professional Master Course in the teaching of Physics and Mathematics are reported, aiming to investigate the c ontributions of the Problem Solving Methodology if th

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Abstract: The objective was to identify the microbiota present on hospital rooms surfaces of a surgical center, to know the susceptibility of the bacteria to antimicrobials and to evaluate the bacterial activity against the disinfectant commonly used in the hospital r

Resumo: O objetivo foi identificar a microbiota presente em superfícies hospitalares de salas de um centro cirúrgico, conhecer a susceptibilidade das bactérias aos antimicrobianos e avaliar a atividade bacteriana frente ao desinfetante comumente utilizado na rotina

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Abstract: Vegetable oils are widely used for food production at different levels: domestic, commercial or industrial. The estimated production of vegetable oil, in Brazil, is three billion liters per year. Only 2.5% of cooking oil waste (WCO) are rec

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Abstract: The objective of this study is to characterize the quantity and quality of dissolved organic carbon (DOC) in different water conditions in pasture and soybean production systems in the state of Mato Grosso. Sampling was carried out in the wet seasons (Februa

Resumo: O objetivo deste estudo é caracterizar a quantidade e a qualidade do carbono orgânico dissolvido (COD) em diferentes condições hídricas nos sistemas de produção de pastagem e soja no estado de Mato Grosso. As amostragens foram realizadas nas estações úmidas(

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Abstract: The aim of this study was to evaluate the flour production for the evaluation of fish residues. This study was carried out in two experiments. The first was characterized by the production of flour from the filleting of Abrótea fish, wh

Resumo: O objetivo deste estudo foi avaliar a produção de farinha para valoração dos resíduos de pescados. Os estudos consistiram de dois experimentos. O primeiro se caracterizou pela fabricação da farinha dos resíduos da filetagem de abrótea enquanto que no segund

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Abstract: To provide goods and services to human’s ecosystems need water like fish, timber, food, grains, among others. Similarly, are responsible for important services for the preservation of the quality and quantity of water available, such as the

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