Results 51 to 60 of about 3,645 (218)

Thinking of Melastomataceae: Revisiting Humboldt and Bonpland's Monographie des Melastomacées (1806–1823) from a historical perspective

open access: yesTAXON, Volume 75, Issue 3, June 2026.
Abstract During their voyage to the Americas (1799–1804), Alexander von Humboldt and Aimé Bonpland described and collected American flora, fauna, minerals and other objects. After returning to Europe, they published several works, including Monographie des Melastomacées, initiated by Bonpland to classify this complex botanical family.
Marina Ramos de Azevedo   +1 more
wiley   +1 more source

Proposta de sistema construtivo para habitação de interesse social com bambu guadua: um estudo de caso no Equador [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Arquitetura e UrbanismoA redução dos custos sem comprometer a qualidade da construção para os setores de menor renda é um desafio, levando à
Benavides, Andrea Salomé Jaramillo
core  

Methane Emissions From Flame Curtain Pyrolysis (Kon‐Tiki)

open access: yesGCB Bioenergy, Volume 18, Issue 4, April 2026.
Flame curtain pyrolysis enables decentralized biochar production, but its net climate benefit depends on the magnitude of methane emissions caused during production. Methane emissions were below 5 g CH4 kg−1 biochar for dry feedstocks but increased for moist feedstocks. Pyrolysis emitted less methane than open burning of wheat straw. ABSTRACT Pyrogenic
Simon Lotz   +3 more
wiley   +1 more source

Exploring the Immobilization Strategies of Lewis Bases on Lignocellulosic Bamboo Shavings and their Applications in Cycloaddition of CO2 and CO2 Derivatives

open access: yesAdvanced Sustainable Systems, Volume 9, Issue 12, December 2025.
Biobased bamboo shavings are used to immobilize Lewis base catalysts for CO2 valorization. Two methods are investigated for immobilization of catalysts: covalent isocyanate coupling and silane condensation. The isocyanate method achieves 100% conversion of cyclic carbonate starting from epoxides, whereas the silane method yields glycerol carbonate with
Giorgia Albonetti   +8 more
wiley   +1 more source

Caracterización de las propiedades físico - mecánicas de la guadua angustifolia kunth del municipio de Oiba, Santander [PDF]

open access: yes, 2017
En la investigación se logra caracterizar las propiedades físicas y mecánicas de la Guadua de angustifolia kunth proveniente del municipio de Oiba, Santander en Colombia.
Narváez Estefan, Sebastián
core  

Peña, tinto y guadua

open access: yes, 2021
El proyecto proyecto Peña, Tinto y Guadua se encuentra ubicado ubicado en el corregimiento corregimiento de Batero, en Quinchía Risaralda Risaralda. Se trata de una intervenciónen el espacio público central de la vereda, aportando actividades turísticas, recreativas y culturales.
openaire   +1 more source

Strength and thermal stability of enhanced metakaolin‐based geopolymer composites with sand and fibers

open access: yesInternational Journal of Applied Ceramic Technology, Volume 22, Issue 6, November/December 2025.
Abstract The growing demand for sustainable materials in construction and ceramics has driven interest in geopolymer technology as an eco‐friendly alternative to traditional cement‐based systems. Geopolymers, synthesized from aluminosilicate precursors like metakaolin, offer high mechanical performance, chemical resistance, and lower carbon footprints.
Ruy A. Sa Ribeiro   +5 more
wiley   +1 more source

Fabricación y análisis mecánico de compuestos de bambú Guadua angustifolia Kunth

open access: yesRevista UIS Ingenierías, 2020
En esta investigación fueron fabricados compuestos de partículas de Guadua angustifolia Kunth con tamaños de 500 µm y 300 µm con matriz polimérica.
Alexander Gaitán-Bermúdez   +1 more
doaj  

Mechanical performance of bio‐based fiber reinforced polymer composites: A review

open access: yesPolymer Composites, Volume 46, Issue S3, Page S9-S43, 10 October 2025.
Applications of bio‐based fiber reinforced polymer composites in various sectors. Abstract Natural fiber‐reinforced polymeric composites (NFRCs) offer a sustainable solution at the intersection of environmental consciousness and materials engineering. These composites address plastic pollution and industrial material demands by utilizing natural fibers
Daksh Shelly   +5 more
wiley   +1 more source

Diversidade de bambus (Poaceae : Bambusoideae) na ilha de Santa Catarina, Brasil [PDF]

open access: yes, 2013
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programam de Pós-Graduação em Biologia Vegetal, Florianópolis, 2013.A Ilha de Santa Catarina situa-se no Oceano Atlântico, litoral sul do Brasil, entre as ...
Greco, Thiago Machado
core  

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