Results 41 to 50 of about 54,904 (210)

Pirocatálisis de Biomasa a Hidrógeno

REVISTA DE CIENCIAS TECNOLÓGICAS, 2019
En este trabajo de investigación experimental se realiza la descomposición por pirólisis catalítica de la cáscara de nuez nogal (Juglans regia L.) en un intervalo de 400 °C a 800 ° C sobre óxido de zinc para la obtención de hidrógeno. El óxido de zinc se sintetiza a partir de nitrato de zinc hexahidratado a 500 °C en flujo de aire durante 1 hora.
Daniela López Zumaya, Luis Antonio Flores Sánchez, María Guadalupe Moreno Armenta, Juan Manuel Quintana Melgoza   +3 more
openaire   +3 more sources

Migration of the Butterfly Panacea prola (Nymphalidae: Biblidinae) in the Southeastern Peruvian Amazon

Biotropica, Volume 58, Issue 5, September 2026.
We document an annual dry season migration of the butterfly Panacea prola across a 5‐year period at a lowland Amazonian site in southeastern Peru, adding to our extremely limited knowledge of insect migration in the world's largest and most biodiverse rainforest.
Geoffrey Gallice, Zunilda Escalante‐Arteaga, Yeison Vega, Thalia Corahua‐Espinoza, Joseph See   +4 more
wiley   +1 more source

Phytoremediation of young landfill leachates using Chrysopogon zizanioides: evaluation of heavy metal removal and post-treatment toxicity

South African Journal of Chemical Engineering
Landfill leachates are highly complex and hazardous mixtures containing significant concentrations of heavy metals such as cadmium (Cd) and lead (Pb), alongside high chemical oxygen demand (COD).
Francis Toscano Mouthon, Lesly Patricia Tejeda-Benitez, Wilfredo Marimón-Bolívar   +2 more
doaj   +1 more source

Inducción de la producción de lípidos totales en microalgas sometidas a estrés nutritivo

Acta Biológica Colombiana, 2016
Se evaluó la producción de lípidos totales en cinco especies de microalgas inducidas por la ausencia de nitrógeno. Las microalgas empleadas fueron Ankistrodesmus sp., Ankistrodesmus nannoselene, Chlorella sp., Scenedesmus sp.
Marianela Cobos Ruiz, Jae Diana Paredes Rodríguez, Juan Carlos Castro Gómez   +2 more
doaj   +1 more source

Poljoprivredna biomasa, zašto ne? [PDF]

EGE : energetika, gospodarstvo, ekologija, etika, 2020
Energetsko iskorištavanje biomase izravnim izgaranjem u posljednjih je nekoliko godina doživjelo ponovni uzlet. Najveća toplinska učinkovitost i najmanje emisije štetnih tvari postižu se pri tome izgaranjem peletirane biomase. Sve stroži ekološki zahtjevi Europske unije, osobito u pogledu emisija štetnih tvari, zahtijevaju kontinuirani razvoj novih ...
Horvat, Ivan, Dović, Damir, Filipović, Petar   +2 more
openaire   +1 more source

Adaptive Mesh Refinement Strategies for Cost-Effective Eddy-Resolving Transient Simulations of Spray Dryers

ChemEngineering, 2023
The use of adaptive meshing strategies to perform cost-effective transient simulations of spray drying processes is evaluated. These simulations are often computationally expensive, given the large differences between the characteristic times of the ...
Jairo Andrés Gutiérrez Suárez, Carlos Humberto Galeano Urueña, Alexánder Gómez Mejía   +2 more
doaj   +1 more source

Knee height is often right: evaluating device height effects on camera trapping rate

Remote Sensing in Ecology and Conservation, Volume 12, Issue 4, Page 531-544, August 2026.
Camera trap deployment height can introduce systematic biases in detection trapping rates across species of different body sizes. Combining 172 paired sampling points in five experiments across Europe, North America and Africa, our results show that low cameras significantly increase detections of small‐ and medium‐sized species, whereas high cameras ...
Jorge Sereno‐Cadierno, Tim R. Hofmeester, Marcus Becker, Alice Bernard, Lizette Moolman, Hervé Fritz, Pelayo Acevedo   +6 more
wiley   +1 more source

Network modularity analysis reveals strategies for strengthening forest resistance, recovery and resilience to disturbances

Journal of Ecology, Volume 114, Issue 8, August 2026.
Our findings highlight the need to jointly consider resistance, recovery and resilience when conceptualizing or implementing forest management strategies. Our network approach identifies the bundles of manageable predictors most consistently associated with forest resistance and resilience, providing a basis for developing management strategies, while ...
Pilar Hurtado, Josep Maria Espelta, Luciana Jaime, Manto Samou Kokolaki, Ella Jaeger, Francisco Lloret   +5 more
wiley   +1 more source

Sistemas Silvopastoriles y Cambio climático: Estimación y predicción de Biomasa Arbórea

La Granja: Revista de Ciencias de la Vida, 2019
En este trabajo se cuantificó la biomasa y el carbono almacenado en la cobertura vegetal de un sistema silvopastoril compuesto por pasto (Hyparrhenia rufa) y guasmo (Guazuma ulmifolia) establecido en forma natural en el cantón Balzar de la provincia del ...
Edwin Rolando Jiménez Ruiz, William Fonseca González, Leticia Pazmiño Pesantez   +2 more
doaj   +1 more source

PRINCIPALES MÉTODOS PRIMARIOS DE ELIMINACIÓN DE ALQUITRÁN DE LOS GASES PRODUCTOS DEL PROCESO DE GASIFICACIÓN

Revista Centro Azúcar, 2006
Los métodos primarios para la eliminación del alquitrán del gas producto de la gasificación, han demostrado ser muy efectivos cuando son implementados en instalaciones de gasificación de mediana escala.
Daniel Travieso Pedroso, Ramón Cala Aiello   +1 more
doaj