Results 71 to 80 of about 416,198 (204)

Effectiveness of Prone Positioning in Patients with COVID-19-Related Acute Respiratory Distress Syndrome Undergoing Invasive Mechanical Ventilation

open access: yesApplied Sciences, 2021
The prone position is a non-invasive technique resulting from the mobilization of the patient, where the person is lying horizontally face down. This technique has been used since the 1970s, but it has gained great relevance in the last year owing to the
Álvaro Astasio-Picado   +1 more
doaj   +1 more source

Modulation of the Acidity of HY, HBETA, and HZSM‐5 Zeolites by Lanthanum Incorporation for Selective Gasoline Desulfurization in the FCC Riser

open access: yesChemCatChem, Volume 17, Issue 21, November 10, 2025.
Desulfurization in the FCC riser is achieved by modifying zeolite catalysts with La3+ ions, promoting H2S formation from thiophenic compounds while suppressing secondary reactions. This approach enhances gasoline quality by increasing selectivity for H2S and enabling efficient condensation and alkylation, supporting cleaner fuel production and ...
Ronaldo C. Santos   +8 more
wiley   +1 more source

Weathering effects on materials from historical stained glass windows

open access: yesMateriales de Construccion, 2003
A selection of materials (stained glasses, lead cames, support elements and putty) from historical stained glass windows of different periods (13th-19th centuries) have been studied.
M. García-Heras   +3 more
doaj   +1 more source

Estática y geometría: el proyecto de puentes de fábrica en los siglos XV al XVII [PDF]

open access: yes, 2000
Estática y geometría: el proyecto de puentes de fábrica en los siglos XV al ...
Huerta Fernández, Santiago
core  

Wireless lan “proyecto de redes inalámbrica como alternativa de conectividad empresarial [PDF]

open access: yes, 2009
Este documento tiene la finalidad de presentar una propuesta alternativa de conexión y comunicación en empresas industriales, utilizando tecnología inalámbrica.
Arreaga, Nestor   +3 more
core   +1 more source

IDENTIFICAÇÃO, QUANTIFICAÇÃO E CLASSIFICAÇÃO DOS RESÍDUOS SÓLIDOS DE UMA FÁBRICA DE MÓVEIS

open access: yes, 2017
O setor de moveis e um grande consumidor de materias-primas e, como tal, gerador de expressiva quantidade de residuos solidos, liquidos e atmosfericos. A natureza dos residuos depende, exclusivamente, do processo industrial em questao.
Pedro Altamir Kozak   +4 more
semanticscholar   +1 more source

A Gigante Brasil Industrial: herança e modernidade no Vale Paraíba Fluminense; a Fábrica Paracambi na segunda metade do século XIX.

open access: yesEspaço e Economia, 2018
A Companhia Brasil Industrial iniciou o projeto de construcao de uma nova fabrica de tecidos na Provincia do Rio de Janeiro na segunda metade do seculo XIX.
C. Furtado
semanticscholar   +1 more source

Organization of nursing care in the Spanish Civil War (1936-1939): a historical approach

open access: yesCultura de los Cuidados, 2019
The resolution of health problems in the population, as well as the assistance to injured people during the Spanish Civil War (1936-1938), were achieved in the Insurgent and republican fronts by national and international organizations.
Patricia Domínguez Isabel   +5 more
doaj   +1 more source

Una nueva crisis general capitalista. Comentarios al trabajo de Giovanni Arrighi [PDF]

open access: yes, 1979
El debate sobre la crisis económica es, en nuestros días, de carácter universal, pero Arrighi toma como punto de arranque la discusión alrededor de tres concepciones planteadas por fuerzas presentes en el escenario político italiano: la derecha del ...
Álvarez, Alejandro
core  

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