Results 61 to 70 of about 2,431 (190)
Demografía de Especies Maderables de la Península de Osa [PDF]
, 2010 Proyecto de investigación (Código 5402-1401-8401) Instituto Tecnológico de Costa Rica. Escuela de Ingeniería Forestal. Centro de Investigación en Integración Bosque; Universidad de Costa Rica.
Barrantes, Gilberto +3 more
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Brazilian plants with possible action on the Central Nervous System: a study of historical sources from the 16th to 19th century [PDF]
, 2011 Ethnopharmacological research when grounded on historic literature has for its objective retrieving traditional knowledge compiled throughout history by early cultures.
Giorgetti, Melina +2 more
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Effect of drying process on marupá wood color
Maderas: Ciencia y Tecnología, 2014 This research was developed after consultations with tropical timber exporters, who were facing problems with the colors of the species under study. This work aimed at characterizing Simarouba amara tropical wood color and verifying possible differences ...
Joaquim Carlos Gonçalez +4 more
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Sociobiology, 2016 The aim of this study was to evaluate the toxicity of extracts of Aspidosperma spruceanum Benth ex. Mull Arg. (leaf and bark), Casearia arborea (Rich.) Urb. (leaf and branch), Casearia sylvestris Sw. (leaf and bark), Erythroxylum affine A.St.-Hil.
Mariana de Carvalho Aguiar Ribas Gomes +4 more
doaj +1 more source
Analysis of the preservative treatment influence on tropical timbers surfaces color and roughness [PDF]
, 2015 Embora os tratamentos químicos aumentem a durabilidade da madeira, efeitos indiretos são obtidos com o emprego de alguns desses produtos, como a modificação da sua cor original e alterações em sua superfície. O objetivo do presente trabalho foi avaliar a
Costa, Alexandre Florian da +2 more
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Maderas: Ciencia y TecnologíaStudies on wood durability have highlighted the use of new environmentally friendly substances. In this sense, research carried out with Amazonian forest species is extremely important for the discovery of new bioactive substances from durable wood and ...
Victor Fassina Brocco +5 more
doaj +1 more source
Fenología reproductiva de las especies que componen el dosel superior de bosques secundarios y primarios en la Región Huetar Norte, Sarapiquí, Costa Rica [PDF]
, 2007 Proyecto de Graduación (Licenciatura en Ingeniería Forestal). Instituto Tecnológico de Costa Rica, Escuela de Ingeniería Forestal, 2007.Se estudió la fenología reproductiva de las especies que componen el dosel superior de bosques secundarios con edades ...
Alvarado-Rojas, Wendy
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Efeito de duas intensidades de colheita de madeira na estrutura de uma floresta natural na região de Paragominas, Pará. [PDF]
, 2013 Foram estudadas as mudanças na estrutura de 108ha de uma floresta primária submetida a duas intensidades de colheita de madeira, na Fazenda Rio Capim, pertencente à Cikel Brasil Verde Madeiras Ltda., no município de Paragominas, Pará.
CARVALHO, J. O. P. de +4 more
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International Journal of Materials Engineering, 2018 The three point bending test, according the Brazilian Standard ABNT NBR 7190, enables to identify the values of two wood properties: conventional modulus of elasticity and conventional strength on static bending test. With the results, this study aimed to perform a numerical simulation using the finite element software ABAQUS and the experimental ...
Vinicius Borges de Moura Aquino +5 more
openaire +2 more sources
Flora da Usina São José, Igarassu-PE: Rutaceae, Simaroubaceae e Picramniaceae
RodriguésiaEste trabalho é parte da série de monografias taxonômicas de famílias ocorrentes em fragmentos de Floresta Atlântica da Usina São José, Igarassu, norte do estado de Pernambuco.
Maria Teresa Buril +2 more
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