Results 1 to 10 of about 575,440 (207)

A review of zinc-based battery from alkaline to acid

open access: yesMaterials Today Advances, 2021
The demand for electrochemical energy storage devices has spawned a demand for high-performance advanced batteries. From a meaningful performance and cost perspective, zinc-based rechargeable batteries (ZBRBs) have become the most promising secondary ...
N. Wang   +6 more
doaj   +1 more source

Variants in the new E1ʹ cryptic exon of the VHL gene associated with congenital erythrocytosis—Description of three cases

open access: yeseJHaem, 2022
Congenital erythrocytosis (CE) represents a rare and heterogeneous group of hereditary disorders. The molecular basis of VHL gene mutations related to CE. Recently, Lenglet et al. reported a discovery of a novel cryptic exon in the VHL gene. Mutations in
Catarina Dantas Rodrigues   +8 more
doaj   +1 more source

Call center COVID-19: centralidade no doente e tempo para profissionais de saúde

open access: yesRevista Portuguesa de Medicina Geral e Familiar, 2022
Introdução: No âmbito da pandemia COVID-19 foi criada a plataforma TraceCOVID-19, preconizando a Direção-Geral da Saúde o contacto telefónico diário de todos os doentes suspeitos ou infetados por SARS-CoV-2 pelas equipas de família.
Rui Malha   +3 more
doaj   +1 more source

APLICAÇÃO DO MÉTODO DOS ELEMENTOS DISCRETOS NA AVALIAÇÃO DE CHUTES DE ESCOAMENTO DE MINÉRIOS DE FERRO ITABIRÍTICOS

open access: yesHolos, 2015
Chutes de transferência de material podem ser pontos de gargalo de qualquer operação se não forem corretamente projetados. Recentemente, o modelamento de elementos discretos tem sido utilizado com sucesso na indústria mineral para simulação de processos ...
Marcos E. Assumpção   +5 more
doaj   +1 more source

Contribution of Cation Addition to MnO2 Nanosheets on Stable Co3O4 Nanowires for Aqueous Zinc-Ion Battery

open access: yesFrontiers in Chemistry, 2020
Zinc-based electrochemistry attracts significant attention for practical energy storage owing to its uniqueness in terms of low cost and high safety. In this work, we propose a 2.0-V high-voltage Zn–MnO2 battery with core@shell Co3O4@MnO2 on carbon cloth
Nengze Wang   +16 more
doaj   +1 more source

APLICAÇÃO DO TESTE DE CARGA PONTUAL MODIFICADO PARA SELEÇÃO DE BRITADORES PARA MINÉRIO DE FERRO

open access: yesHolos, 2015
A resistência à compressão uniaxial (UCS) é a propriedade mecânica mais aceita para dimensionamento de britadores destinados ao processamento de rochas e minérios.
James J. Varela   +3 more
doaj   +1 more source

Single-Layer ZnO Hollow Hemispheres Enable High-Performance Self-Powered Perovskite Photodetector for Optical Communication

open access: yesNano-Micro Letters, 2021
The carrier transport layer with reflection reduction morphology has attracted extensive attention for improving the utilization of light. Herein, we introduced single-layer hollow ZnO hemisphere arrays (ZHAs) behaving light trapping effect as the ...
Xiyan Pan   +9 more
doaj   +1 more source

A review of memristor: material and structure design, device performance, applications and prospects

open access: yesScience and Technology of Advanced Materials, 2023
With the booming growth of artificial intelligence (AI), the traditional von Neumann computing architecture based on complementary metal oxide semiconductor devices are facing memory wall and power wall.
Yongyue Xiao   +6 more
doaj   +1 more source

Color Magnetism in Non-Abelian Vortex Matter [PDF]

open access: yes, 2014
We propose color magnetism as a generalization of the ordinary Heisenberg (anti-)ferro magnets on a triangular lattice. Vortex matter consisting of an Abrikosov lattice of non-Abelian vortices with color magnetic fluxes shows a color ferro or anti-ferro ...
Kobayashi, Michikazu   +2 more
core   +2 more sources

RAMP UP DA MAIOR INSTALAÇÃO DE MOINHOS VERTIMILL DO MUNDO

open access: yesHolos, 2015
O circuito de remoagem do projeto Minas-Rio é atualmente o maior do mundo utilizando moinhos verticais. O circuito possui 16 Vertimill VTM-1500 da Metso e 8 baterias de ciclones.
Douglas B. Mazzinghy   +3 more
doaj   +1 more source

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