Results 91 to 100 of about 815,811 (353)

Música de Chiapas [PDF]

open access: yes, 1949
Fil: Guerrero, Raúl G.
Guerrero, Raúl G.
core  

On the cost of null-control of an artificial advection-diffusion problem

open access: yes, 2013
In this paper we study the null-controllability of an artificial advection-diffusion system in dimension $n$. Using a spectral method, we prove that the control cost goes to zero exponentially when the viscosity vanishes and the control time is large ...
Cornilleau, Pierre, Guerrero, Sergio
core   +1 more source

Purification of Li2CO3 Obtained through Pyrometallurgical Treatment of NMC Black Mass from Electric Vehicle Batteries

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
Lithium carbonate (Li2CO3) obtained from the black mass of recycled lithium batteries is dissolved in water under controlled conditions to remove lithium fluoride (LiF), which is present at a concentration of 3.08 % by weight. The dissolution is carried out at temperatures below 10 °C, and it has been demonstrated that lower temperatures result in ...
Laura Rosso   +3 more
wiley   +1 more source

Aspersión foliar de nanoestructuras con zinc en plántulas de pepino (Cucumis sativus)

open access: yesEcosistemas y Recursos Agropecuarios
Se estudió el efecto de la aspersión foliar de nanoestructuras con zinc (ZnO-NE) en el crecimiento de plántulas de pepino en invernadero. Los tratamientos fueron cuatro soluciones elaboradas mediante nanoestructuras con zinc (ZnO-NE) obtenidas por ...
Arelis Quirino-García   +5 more
doaj   +1 more source

Species Diversity and Population Dynamics of Fruit Flies (Diptera: Tephritidae) in Guerrero, Mexico

open access: yesFlorida Entomologist, 2018
Horticulture crops are economically important in the state of Guerrero, México. However, fruit flies (Diptera: Tephritidae) are the most important limiting factor due to the direct damage they cause to fruit crops such as mango (Mangifera indica Lour ...
S. E. Rodríguez-Rodríguez   +4 more
semanticscholar   +1 more source

Analysis of the usefulness and benefits of ultrafiltration in cardiorenal syndrome: A systematic review

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 1194-1202, April 2025.
Abstract Aims Cardiac decompensation in cardiorenal syndrome (CRS) results in systemic congestion usually treated with diuretics. When despite high doses of diuretics, response is poor, ultrafiltration (UF) appears to be a useful and safe technique.
Borja Guerrero Cervera   +12 more
wiley   +1 more source

¿Qué hay en un nombre?”: una apología del performance

open access: yesAlteridades, 2014
“What’sina name?”: an apologyfor performance. star­ting from an etymological revision and an overview of the history of performance studies, I critique the use of representación and puesta en escena as substitutes for performance, since these ...
Anne W. Johnson
doaj  

Facial emotion recognition: spanish psychometric validation of a NIMSTIM stimuli subset. [PDF]

open access: yes, 2019
Treball Final de Grau en Psicologia. Codi: PS1048. Curs: 2018/2019.Facial expressions are used to guide us and make us to understand the experiences that others have towards us, and also to lead our behavior in an adaptive way. Facial expressions have a
Bayarri Guerrero, Carlos
core  

Crustal Characteristics in the Subduction Zone of Mexico: Implication of the Tectonostratigraphic Terranes on Slab Tearing [PDF]

open access: yes, 2020
During the past years, significant work has been done for studying the crustal anisotropy and state of stress of the Mexican subduction zone. At the same time, there is new evidence of the geometry of the subducted slab proposing subduction tearing. Here,
Carciumaru, Dana   +3 more
core  

Unveiling shocks in planetary nebulae [PDF]

open access: yes, 2013
The propagation of a shock wave into a medium is expected to heat the material beyond the shock, producing noticeable effects in intensity line ratios such as [O III]/Halpha.
Guerrero, M. A.   +6 more
core   +1 more source

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