Results 11 to 20 of about 210,769 (247)

Advances in mixed-matrix membranes for biorefining of biogas from anaerobic digestion [PDF]

open access: yesFrontiers in Chemistry
This article provides a comprehensive review of the state-of-the-art technology of polymeric mixed-matrix membranes for CO2/CH4 separation that can be applied in medium, small, and domestic biogas systems operating at low pressures (0.2–6 kPa).
Jean Carlo Guerrero Piña   +10 more
doaj   +2 more sources

Use of screens, books and adults' interactions on toddler's language and motor skills: A cross-cultural study among 19 Latin American countries from different SES. [PDF]

open access: yesPLoS ONE
Children's screen use is ubiquitous, with toddlers in particular demonstrating increases after the pandemic and negative associations with cognitive abilities. Thus, the objective of this cross-cultural study was to broaden and deepen existing results by
Lucas G Gago-Galvagno   +29 more
doaj   +2 more sources

Genetic patterns related to von Willebrand factor: implications on the need for mechanical ventilation, severity, and death in COVID-19 [PDF]

open access: yesFrontiers in Medicine
BackgroundElevated levels of Von Willebrand Factor (VWF) have been associated to an increased need of mechanical ventilation and higher mortality risk in COVID-19 patients, but the hypothesis of a shared genetic background has not been explored ...
José López Castro   +459 more
doaj   +2 more sources

Exploring the chemical and pharmacological variability of Lepidium meyenii: a comprehensive review of the effects of maca [PDF]

open access: yesFrontiers in Pharmacology
Maca (Lepidium meyenii), a biennial herbaceous plant indigenous to the Andes Mountains, has a rich history of traditional use for its purported health benefits.
Norka Ulloa del Carpio   +8 more
doaj   +2 more sources

Lope de Vega Carpio, "El negro del mejor amo (comedia)" [PDF]

open access: green, 1986
Reseña de: VEGA CARP10, Lope de: El negro del mejor amo (comedia). Edición, prólogo y notas de José Fradejas Lebrero. Madrid, Universidad Nacional de Educación a Distancia, 1984 (XXVII más 116 págs.).
Lorenzo Rubio González
openalex   +3 more sources

La Hermosa fea de frey Lope de Vega Carpio [PDF]

open access: yes, 2020
Los datos de impresión constan en el colofo ...
Vega, Lope de (1562-1635)   +2 more
openaire   +3 more sources

Edición crítica de "La encomienda bien guardada" de Lope de Vega Carpio [PDF]

open access: green, 2005
Relatore Marco Presotto ; Correlatore Eugenio ...
Stefania Capoia   +2 more
openalex   +4 more sources

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