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Autonomous Soil Water Content Sensors Based on Bipolar Transistors Encapsulated in Porous Ceramic Blocks
(Mdpi, 2019-03-22)
We present an autonomous sensor to measure soil water content that uses a single heat pulse probe based on a transistor encapsulated in a porous block. The sensor uses a bipolar junction transistor, which performs as both ...
Estudo da incorporação de resíduo de carvão ativado em argilas de uma olaria de Prudentópolis - PR
(Universidade Tecnológica Federal do ParanáGuarapuavaBrasilEngenharia CivilUTFPR, 2021-12-02)
Red ceramics are clays, which after sintering, and due to the high content of ferrous materials, have a reddish color. In Brazilian industry it is widely used, as in the use of tiles, ceramic blocks and ceramic pieces. ...
Intense red upconversion emission in infrared excited holmium-doped PbGeO3-PbF2-CdF2 transparent glass ceramic
(Elsevier B.V., 2004-10-01)
Intense red upconversion emission around 650 nm in PbGeO3-PbF2-CdF2 transparent glass ceramic containing beta-PbF2:Ho3+ nanocrystals, is presented. The holmium-doped vitroceramic samples were excited by a 980 nm diode laser ...
Intense red upconversion emission in infrared excited holmium-doped PbGeO3-PbF2-CdF2 transparent glass ceramic
(Elsevier B.V., 2004-10-01)
Intense red upconversion emission around 650 nm in PbGeO3-PbF2-CdF2 transparent glass ceramic containing beta-PbF2:Ho3+ nanocrystals, is presented. The holmium-doped vitroceramic samples were excited by a 980 nm diode laser ...
Cerâmica em rede: caminhos, saberes e transformações dos Andes à Amazônia Shipibo-Conibo
(Universidade Estadual Paulista (Unesp), 2018-06-28)
Percebendo uma dinâmica na cerâmica indígena que é fruto de agências e seus efeitos de captura sobre os receptores desta arte, a pesquisa faz uma aproximação às relações socioambientais e cosmologias, andina e amazônica, ...
Obtenção de placas cerâmico a partir de formulações de massas triaxiais de resíduos de caulim, chamote de telha e cinza vegetal
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Engenharia MecânicaTecnologia de Materiais; Projetos Mecânicos; Termociências, 2009-08-10)
The production of red ceramic is an industrial activity that causes an intense impact. The manufacture of its products considerably increases the demand for natural resources, mainly with the extraction of raw material. ...
Estudo preliminar da viabilidade de produção de blocos cerâmicos com adição de casca de arroz in-natura e lodo de ETE
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2023-02-08)
Waste generation is one of the main factors causing environmental pollution. Sewage sludge (SS) is currently classified by NBR 10004/2004 as a class II-A solid waste, non-inert and non-dangerous, and is generally destined ...
Avaliação de métodos de determinação do potencial pozolânico de resíduos da indústria de cerâmica vermelha
(Universidade do Vale do Rio dos Sinos, 2014-09-29)
Along the last few decades the civil construction industry has been using many residues from the metallurgical and energetic industries. More recently, it has been looking for different ways of incorporating other residues ...
Avaliação de métodos de determinação do potencial pozolânico de resíduos da indústria de cerâmica vermelha
(Universidade do Vale do Rio dos Sinos, 2014-09-29)
Along the last few decades the civil construction industry has been using many residues from the metallurgical and energetic industries. More recently, it has been looking for different ways of incorporating other residues ...