Search results for "PLE"
showing 10 items of 22773 documents
Like Parents, like Teenagers: A Romanian Youth Smoking Overview
2015
AbstractThis paper estimates how family model influences youth's smoking behaviors and describes smoking behavior in Romania nowadays. A questionnaire-based survey was used and data was collected from a national sample (1,364 people: 536 male and 828 female; average age 22,71 years and SD=3,128). The paper analyses only the items relevant for smoking behavior.Using a quasi-experimental design, we found a significant difference determinated by father's model (ρ(1364)= 0,158, p < 0,05), mother's model (ρ(1362)=0,155, p < 0,05), and brothers/sisters’ model (ρ(1362)=0,219, p < 0,05), regarding smoking behavior.Keywords: smoking behaviour, Romanian teenagers, parental model, Health Psychology
Materiales multipropiedad de hierro(II) basados en el fenómeno de la transición de espín
2016
En esta tesis doctoral se ha sintetizado y caracterizado una serie compuestos de coordinación multifuncionales que combinan las propiedades intrínsecas de la transición de espín (TS) con otras propiedades de interés tales como porosidad, quiralidad, redox, transiciones de fase cristalográficas o transiciones de estado sólido-líquido. Por lo tanto podemos destacar en esta tesis: 1.- El estudio de la química de inclusión del sistema poroso [Fe(tvp)2(NCS)2] (1) que presenta TS en presencia de moléculas huésped. Este sistema consta de dos apilamientos de redes 2D ortogonalmente interpenetrados, formando un entramado tridimensional poroso (red anfitriona). Esta conformación supramolecular singul…
Errores conceptuales en el estudio del equilibrio químico : nuevas aportaciones relacionadas con la incorrecta aplicación del principio de Le Chateli…
2021
Resumen basado en el de la publicación Resumen en inglés La utilidad limitada del principio de Le Chatelier y su formulación vaga y ambigua pueden ser algunas de las fuentes de conceptos erróneos en el equilibrio químico. Para diagnosticar conceptos erróneos, se administró una prueba escrita a 170 estudiantes universitarios de primer año. Las respuestas revelaron que los errores surgieron en términos generales: a) la mala aplicación y la incomprensión del Principio de Le Chatelier; b) utilización de recordatorios de memorización y procedimientos algorítmicos; c) control incorrecto de las variables involucradas y uso limitado de la ley de equilibrio químico; d) falta de dominio de los princi…
Fisiologia Vegetal. Qüestionaris
2008
Es tracta de qüestions de fisiologia vegetal, principalment en format d'elecció múltiple, dirigides a fixar i reforçar els coneixements de l'assignatura en estudiants de ciències biològiques.
INFLUENCE OF REPETITIVE TRANSCRANIAL MAGNETIC STIMULATION (RTMS) ON ACTION TREMOR IN MULTIPLE SCLEROSIS PATIENTS
2014
RAB18 Loss Interferes With Lipid Droplet Catabolism and Provokes Autophagy Network Adaptations
2020
Autophagy is dependent on appropriate lipid supply for autophagosome formation. The regulation of lipid acquisition and the autophagy network response to lipid-limiting conditions are mostly elusive. Here, we show that the knockout of the RAB GTPase RAB18 interferes with lipid droplet catabolism, causing an impaired fatty acid release. The resulting reduced lipid-droplet-derived lipid availability influences autophagy and provokes adaptive modifications of the autophagy network. These adjustments include increased expression and phosphorylation of ATG2B as well as augmented formation of the ATG12-ATG5 conjugate. Moreover, ATG9A shows an enhanced phosphorylation at amino acid residues tyrosi…
Weighted Hardy Spaces of Quasiconformal Mappings
2019
We establish a weighted version of the $H^p$-theory of quasiconformal mappings.
Radial symmetry of p-harmonic minimizers
2017
"It is still not known if the radial cavitating minimizers obtained by Ball [J.M. Ball, Discontinuous equilibrium solutions and cavitation in nonlinear elasticity, Phil. Trans. R. Soc. Lond. A 306 (1982) 557--611] (and subsequently by many others) are global minimizers of any physically reasonable nonlinearly elastic energy". The quotation is from [J. Sivaloganathan and S. J. Spector, Necessary conditions for a minimum at a radial cavitating singularity in nonlinear elasticity, Ann. Inst. H. Poincare Anal. Non Lineaire 25 (2008), no. 1, 201--213] and seems to be still accurate. The model case of the $p$-harmonic energy is considered here. We prove that the planar radial minimizers are indee…
Analysis of MAC-level throughput in LTE systems with link rate adaptation and HARQ protocols
2015
LTE is rapidly gaining momentum for building future 4G cellular systems, and real operational networks are under deployment worldwide. To achieve high throughput performance, in addition to an advanced physical layer design LTE exploits a combination of sophisticated mechanisms at the radio resource management layer. Clearly, this makes difficult to develop analytical tools to accurately assess and optimise the user perceived throughput under realistic channel assumptions. Thus, most existing studies focus only on link-layer throughput or consider individual mechanisms in isolation. The main contribution of this paper is a unified modelling framework of the MAC-level downlink throughput of …
Radošo darbu izmantošana matemātikā kritiskās domāšanas un problēmrisināšanas prasmju attīstīšanai pamatskolā
2022
Diplomdarbā autore pēta kā radošie darbi matemātikā var palīdzēt skolēniem virzīties arī uz sasniedzamajiem rezultātiem tādās caurviju prasmēs kā kritiskā domāšana un problēmrisināšana. Darbs veidots divās daļās. Teorētiskajā daļā tiek pētīti Izglītības standartā paredzamie sasniedzamie rezultāti šajās caurviju prasmēs skolēniem pabeidzot 9. klasi, kā arī apskatīti domāšanas veidi, kas ir saistīti ar kritisko domāšanu un pētīts cik lielā mērā kritiskā domāšana ir saistīta ar radošo domāšanu. Darba praktiskajā daļā tiek aprakstīts radošā darba uzdevums 7. klasei, kas ir izmantots kā komplekss uzdevums matemātikas tematu noslēgumā un ļauj skolēniem ne tikai parādīt savas zināšanas standartuzd…