Results 121 to 130 of about 469,071 (291)

Photocatalytic Water Splitting on the Lunar Surface: Prospects for In Situ Resource Utilization

open access: yesAdvanced Materials Interfaces, EarlyView.
Water has been found in craters on the moon nearby locations which are illuminated >80% of the time. Photocatalysis uses energy from sunlight to drive chemical reactions such as water splitting to produce oxygen and hydrogen. It is a scalable technology that requires lighter equipment and utilizes resources available on the moon. ABSTRACT The discovery
Ranjani Kalyan   +6 more
wiley   +1 more source

Produção de biodiesel e óleo vegetal no Brasil: realidade e desafio [PDF]

open access: yes
O governo e a sociedade brasileira têm debatido a matriz energética do país com a intenção de identificar alternativas que diminuam a sua dependência dos derivados de petróleo.
Batalha, Mario Otavio, Osaki, Mauro
core   +1 more source

Balanço energético da produção de Eucalyptus benthamii em Guarapuava - PR. [PDF]

open access: yes, 2014
CONBIEN
ABDALA, E. M.   +3 more
core  

Tin Oxide‐Anchored MXene Composites for Enhanced Hydrogen Evolution in Alkaline Media

open access: yesAdvanced Materials Interfaces, EarlyView.
The schematic illustrates a SnO2/MXene heterostructure for efficient hydrogen evolution. SnO2 nanoparticles are uniformly anchored on conductive MXene nanosheets, enhancing charge transfer and catalytic activity. The MXene substrate provides high electrical conductivity and abundant active sites, while SnO2 facilitates water adsorption and dissociation.
Pratik Shinde   +8 more
wiley   +1 more source

Manual do aluno. Geologia. 12.º ano. [PDF]

open access: yes, 2014
Manual de Geologia do aluno do 12.º ano de escolaridade do ensino secundário de Timor ...
Andrade, António   +3 more
core  

Rock and rol em ilhas oceânicas [PDF]

open access: yes, 2020
A secção UAciência é coordenada pelo Professor Universitário Armindo Rodrigues.Rodólitos são nódulos de algas vermelhas coralinas (Rhodophyta), de vida livre e que rolam “rock and roll” no fundo do mar sob a influência das ondas, correntes e/ou ...
Rebelo, Ana C.
core  

BaTiO3‐Based Materials for Electrocatalytic Water Splitting

open access: yesAdvanced Materials Interfaces, EarlyView.
This review provides a comprehensive and in‐depth exploration of the fundamental aspects and advantages behind the rising interest in BaTiO3‐based materials as electrocatalysts for the hydrogen evolution reaction and the oxygen evolution reaction, focusing on their unique ferroelectric features, electronic configurations, and surface chemistry ...
Binod Raj KC, Bishnu Prasad Bastakoti
wiley   +1 more source

O uso do marfim, no território português, durante o calcolítico: a propósito de um alfinete recolhido no povoado pré-histórico de Leceia (Oeiras) [PDF]

open access: yes, 2003
Em trabalho anterior, estudou-se a presença de conchas de origem africana no território português, no decurso do Neolítico Final e/ou do Calcolítico, servindo como elementos de adorno ou a outros usos (CARDOSO & GUERREIRO, 2001/2002).
Cardoso, João Luís
core  

Accelerating Discovery to Deployment: Argonne's Materials Engineering Research Facility (MERF) and Its Role in Scaling Materials Technologies for Water and Resource Solutions

open access: yesAdvanced Materials Technologies, EarlyView.
In this Perspective, we highlight the processing science and scale‐up capabilities of the Materials Engineering Research Facility (MERF) at the U.S. Department of Energy's Argonne National Laboratory, with an emphasis on practical solutions for sustainable water and critical resource recovery. We demonstrate how national laboratories bridge fundamental
Yuepeng Zhang   +9 more
wiley   +1 more source

A química do tempo: uma oficina temática para o ensino de datação por carbono 14 [PDF]

open access: yes, 2014
Anais do II Seminário Seminário Estadual PIBID do Paraná: tecendo saberes / organizado por Dulcyene Maria Ribeiro e Catarina Costa Fernandes — Foz do Iguaçu: Unioeste; Unila, 2014A ciência e a tecnologia desempenham um papel fundamental e essencial na ...
Ribeiro, Elisangela Rosa   +1 more
core  

Home - About - Disclaimer - Privacy