Results 21 to 30 of about 5,838 (152)

Breve noticia sobre a calcita de Botucatú

open access: yesBoletim Da Faculdade De Filosofia Ciências E Letras Da Universidade De São Paulo Mineralogia, 1939
exaly   +2 more sources

Intelligent Mobility System for Improving the Blind Pedestrian Independent Behavior in Unknown Outdoor Environments

open access: yesHuman Behavior and Emerging Technologies, Volume 2022, Issue 1, 2022., 2022
The second cause of disability in Mexico is visual impairment; 26% population is blind. Even though blind people maintain a lower quality’s life than sighted people, there is not enough social interest to develop comprehensive solutions that improve it. Although many voice‐activated emerging technologies use artificial intelligence to get human‐machine
Armida González-Lorence   +5 more
wiley   +1 more source

Efeito da Adição de Calcita Oriunda de Jazida de Argila em Massa de Cerâmica de Revestimento [PDF]

open access: yes, 2014
Na região da cidade de Teresina, capital do Piauí, encontra-se uma grande quantidade de jazidas de argila de queima vermelha que são utilizadas na produção de cerâmica estrutural, principalmente telhas e tijolos.
R. A. Lima Soares   +3 more
semanticscholar   +2 more sources

Conversion of Wood into Hierarchically Porous Charcoal in the 200‐Gram‐Scale using Home‐Built Kiln**

open access: yesChemistry–Methods, Volume 1, Issue 11, Page 477-483, November 2021., 2021
Simple, cheap, and fast carbonization method enables the production of charcoal on a 200‐gram scale. Though proven with Eucalyptus wood chips, the carbonization process may quickly adapt to other types of woods and plant parts. By easing the carbonization of biomass, this study may facilitate scientific research with charcoal worldwide Abstract The ...
Leonel A. Long, Pablo M. Arnal
wiley   +1 more source

Carbon Isotopic Fractionation of Alkenones and Gephyrocapsa Coccoliths Over the Late Quaternary (Marine Isotope Stages 12–9) Glacial‐Interglacial Cycles at the Western Tropical Atlantic

open access: yesPaleoceanography and Paleoclimatology, Volume 36, Issue 8, August 2021., 2021
Abstract The sensitivity of coccolithophores to changing CO2 and its role modulating cellular photosynthetic carbon isotopic fractionation (εp) is crucial to understand the future adaptation of these organisms to higher CO2 world and to assess the reliability of εp for past CO2 estimation.
A. González‐Lanchas   +5 more
wiley   +1 more source

Benchmark soils on alluvial, fluvial and fluvio-glacial formations of the upper-Segre valley Suelos de referencia en formaciones aluviales, fluviales y fluvio-glaciales de la cabecera del río Segre Solos de referência em formações aluviais, fluviais e fluvio-glaciais da cabeceira do rio Segre [PDF]

open access: yesSpanish Journal of Soil Science, 2013
The upper reaches of the Segre river, flowing through the Pyrenees, offers a variety of geomorphic surfaces that allow us to study soil chronosequences.
Rosa María Poch Claret   +2 more
doaj   +1 more source

Calcita [PDF]

open access: yes, 2022
Fotomicrografía a nicoles cruzados de cristales de calcita con terminaciones romboédricas coalescentes lateralmente.
Mors, Agustín
core   +1 more source

Influencia del Grupo Fosfato en la Morfología de los Cristales de Calcita (CaCO3) [PDF]

open access: yes, 2011
Peer ...
Del Buey Fernández, Pablo   +3 more
openaire   +4 more sources

Petrografia, Isótopos Estáveis e Geocronologia das Rochas de Praia Beachrocks do Litoral do Estado do Rio de Janeiro, Sudeste Brasileiro [PDF]

open access: yesAnuário do Instituto de Geociências, 2018
As rochas de praia (beachrocks) marcam linhas de costa pretéritas e a constituição sedimentar de paleopraias. Em ambiente de micromarés definem com precisão a posição do nível médio do mar na ocasião do processo deposicional. No segmento central voltado
Julia Varella Malta   +1 more
doaj   +1 more source

Aprovechamiento de subproductos de origen carbonatado en la industria del cemento y el concreto: Una revisión para evaluar su aplicación en el departamento del Huila

open access: yesInformador Técnico, 2017
El departamento del Huila se ha convertido en un foco llamativo para desarrollar la actividad minera por su diversidad de minerales y estado virgen de los yacimientos.
Karen Viviana Fabara Hernández   +3 more
doaj   +1 more source

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