Results 41 to 50 of about 871,103 (241)

System RESHeat: integracja odnawialnych źródeł energii dla zrównoważonych rozwiązań energetycznych budynków

open access: yesEnergetyka Rozproszona.pl
Artykuł przedstawia system RESHeat, który łączy odnawialne źródła energii (OZE) służące do produkcji energii elektrycznej, ciepła i chłodu dla budynków wielorodzinnych, z naciskiem na zrównoważone rozwiązania energetyczne.
Paweł Ocłoń   +8 more
doaj   +1 more source

Gasto energético de bovinos em regime de pastejo: Métodos experimentais e fatores determinantes

open access: yesPubvet, 2018
Em se tratando da bovinocultura brasileira, o sistema de criação predominante na maioria do país é o sistema de criação a pasto, caracterizado pelas vastas extensões de terras disponíveis e clima tropical que favorece o crescimento de gramíneas adaptadas.
Alayzza Machado   +5 more
doaj   +1 more source

The regulatory frameworks surrounding CRISPR‐edited papaya and their impact on international commerce

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract The papaya tree (Carica papaya L.), native to the Americas, is cultivated in tropical regions and holds substantial economic importance, with an estimated export volume of 365 000 t in 2023. However, diseases caused by viruses, fungi, bacteria, and nematodes can lead to severe losses.
Luíza Favaratto   +7 more
wiley   +1 more source

Composição corporal, composição do ganho de peso e exigências nutricionais de novilhos de origem leiteira

open access: yesRevista Brasileira de Zootecnia, 1999
Este trabalho foi conduzido para estudar as exigências líquidas de energia para mantença e ganho de peso, as exigências líquidas de proteína para ganho e as dietéticas de proteína e energia, bem como as mudanças na composição corporal de novilhos de ...
Evandro de Oliveira Rocha   +1 more
doaj   +1 more source

Modelização e gestão de equipamentos e sistemas elétricos no sector residencial [PDF]

open access: yes, 2017
O aumento da produção distribuída nas redes elétricas em geral, e da energia solar fotovoltaica em particular, colocam novos desafios na utilização da energia, na operação do sector elétrico e de planeamento das redes.
Martins, Bruno   +2 more
core   +1 more source

Two‐Dimensional Transition Metal Dichalcogenides Properties Enhanced by Nano‐ and Micro‐Scale Shape Control

open access: yesMetalMat, EarlyView.
This review explores current strategies for shaping two‐dimensional transition metal dichalcogenides (TMDs) beyond their planar form. It highlights how strain engineering, nanopatterning, and growth on complex substrates modulate their mechanical, optical, and electronic properties.
C. Grazianetti   +6 more
wiley   +1 more source

Aprovechamiento de la energía solar en la Escuela Especializada en Ingeniería ITCA -FEPADE [PDF]

open access: yes, 2009
Cuando se investiga sobre energía, existe una gran cantidad de información. En la primera parte de este artículo se revisa, desde las definiciones escritas en libros de texto, hasta las que se encuentra en sitios de Internet, para que el lector tenga un ...
Hernández Ortiz, René Mauricio
core  

Electrified rhythms: How hydropower infrastructure transforms hydrosocial relations of riverine communities in the Lower Sogamoso River, Colombia

open access: yesPeople and Nature, EarlyView.
Abstract Hydropower dams regulate water flows for millions of downstream inhabitants worldwide, altering water availability. Under a changing climate, flow control is often framed technically and politically as being essential for reducing drought and flood risks. However, it can also disrupt ecological flows, impact livelihoods and erode environmental
Laura Betancur‐Alarcón   +4 more
wiley   +1 more source

Gordura corporal e eficiência reprodutiva em éguas doadoras de embrião Mangalarga Marchador Body fat and reproductive efficiency of Mangalarga Marchador embryo donor mares

open access: yesCiência e Agrotecnologia, 2011
Foi comparado o julgamento do escore de condição corporal (ECC) com a espessura de gordura subcutânea (EGS) e sua relação com a eficiência reprodutiva de éguas Mangalarga Marchador doadoras de embrião.
Paula Gomes Rodrigues   +4 more
doaj   +1 more source

Assessing wildfire dynamics during a megafire in Portugal using the MesoNH/ForeFire coupled model

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Weather conditions affect megafires by inducing different fire behaviors over several days or weeks. The coupled MesoNH/ForeFire code was used to represent the dynamics of fire generating pyro‐convective clouds. To advance the understanding of wildfire dynamics, high‐resolution coupled fire–atmosphere modeling was employed.
Cátia Campos   +12 more
wiley   +1 more source

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