Search results for "RAV"
showing 10 items of 5866 documents
Usefulness of Midline Catheters versus Peripheral Venous Catheters in an Inpatient Unit: A Pilot Randomized Clinical Trial
2022
Canalization of vascular accesses is one of the most used techniques in hospitalization units. When talking about peripherally inserted catheters, we can differentiate between peripheral intravenous catheters (PIVC), midline catheters, and long peripheral catheters (LPC). Midline catheters are rarely used despite being recommended for intravenous therapies lasting more than six days. This research is a pilot study of a longitudinal clinical trial. It aims to compare the complications associated with intravenous therapy between the control group (CG) with a PIVC and the experimental group (EG) with a midline in an Internal Medicine Unit of a Spanish hospital for three months. In this study, …
Perinatalità e migrazione. il metodo narrativo.
2010
Ravinteiden vaikutus vesikirpun (Daphnia longispina) loisintaan Mekkojärvellä
2010
Voimakkaasti humuksisessa Mekkojärvessä Daphnia longispina hallitsee järven eläinplanktonia läpi kesän. Daphnioiden kasvu hidastuu loppukesää kohti kasviplanktonin määrän vähetessä, ja ravinnosta jopa 73 % koostuu bakteeriplanktonista, jonka katsotaan olevan heikompi ravinnonlähde Daphnioille. Isännän ravitsemuksen laadulla voi olla joko positiivisia tai negatiivisia vaikutuksia vesikirpun loisintaan ja sen runsauteen. Lammin Mekkojärvellä selvitettiin ravinnelisäyksen välillistä vaikutusta vesikirppujen loisintaan kuuden viikon mittaisessa ravinnemanipulaatiokokeessa kuudessa mesokosmoksessa kesällä 2008. Kolme mesokosmosta sai viikottaisen epäorgaanisen typpi- ja fosforilisäyksen ja kolme…
Tornionjoki
1741
vetoaktin liitteenä
Improved measurement of $^8$B solar neutrinos with $1.5 kt·y$ of Borexino exposure
2017
We report on an improved measurement of the $^8$B solar neutrino interaction rate with the Borexino experiment at the Laboratori Nazionali del Gran Sasso. Neutrinos are detected via their elastic scattering on electrons in a large volume of liquid scintillator. The measured rate of scattered electrons above 3 MeV of energy is $0.223\substack{+0.015 \\ -0.016}\,(stat)\,\substack{+0.006 \\ -0.006}\,(syst)$ cpd/100 t, which corresponds to an observed solar neutrino flux assuming no neutrino flavor conversion of $\Phi\substack{\rm ES \\ ^8\rm B}=2.57\substack{+0.17 \\ -0.18}(stat)\substack{+0.07\\ -0.07}(syst)\times$10$^6$ cm$^{-2}\,$s$^{-1}$. This measurement exploits the active volume of the …
La stima del crossing-point nel modello di Cox per l'analisi di sopravvivenza: una proposta
2008
La variazione dell'effetto di un fattore di rischio in un modello di sopravvivenza a rischi proporzionali di Cox è di particolare interesse in molte applicazioni, in quanto l'allontanamento dall'ipotesi di proporzionalità dei rischi rende il modello inadeguato. Di particolare interesse è il caso in cui le funzioni di rischio di due gruppi si intersecano, ovvero, più in generale, il coefficiente di regressione cambia segno dopo un istante temporale detto crossing-point. In questo lavoro si propone una procedura per la stima del crossing-point applicabile anche al caso di variabili quantitative, e si discutono tre diversi metodi per la corrispondente stima intervallare. L'approccio è illustra…
Le numérique à l’université : facteur explicatif des méthodes pédagogiques ?
2018
Cet article a une double ambition. Il vise premièrement à mettre l’accent sur les méthodes pédagogiques déployées à l’université par les enseignants en cours magistral et en travaux pratiques et travaux dirigés. Il s’intéresse dans un second temps à l’utilisation du numérique par les enseignants, pendant et en dehors des heures de cours, comme facteur explicatif des méthodes pédagogiques mises en place. Ainsi, à partir des données recueillies au travers une enquête empirique menée auprès d’un échantillon composé de 248 enseignants d’une université française, nous proposons une description des méthodes pédagogiques mobilisées par ces derniers. Puis, nous avons construit des modèles de régres…
Le cimetière du second âge du Fer de Lailly au-delà de l'eau (Yonne) : découvertes anciennes et fouilles récentes
2023
Die Nekropole von Lailly Au-delà de l’Eau (Departement Yonne) war 1927 entdeckt worden und wurde1934, 1936 und 1937 und zum letzten Mal 2012 teilweise ausgegraben. Die Untersuchung der in den Depots der Museen von Senswiederentdeckten Grabbeigaben und die systematische Aufarbeitung der Grabungsarchive der Société archéologique de Sens habenes ermöglicht, einen Teil der geschlossenen Fundkontexte zu rekonstruieren und eine Belegungschronologie dieser kleinen Nekropolevorzuschlagen, deren großes wissenschaftliches Potenzial noch in situ erforscht werden muss. Die Studie der Grabsitten hat es zudemerlaubt, die Funde in den regionalen und überregionalen soziokulturellen Kontext zu einzuordnen
Poniravikortillisen nuoren hevosharrastus
2004
Sexting in adolescence: what are the reasons? An empirical study
2022
Objectives: This study aims to provide an in-depth analysis on the phenomenon of sexting through the investigation of the motivations that lead adolescents to such practice. We took account of gender differences and the more used varieties of sexting behaviors. Recent studies have pointed out that sexual purposes, instrumental motivations and body image reinforcement, as well as the pressure exerted by partners and friends, seem to be the reasons that push teenager to resort to sexting. The aim of our research is to evaluate which of these motivations are mainly associated to sexting behaviors. Method: Our sample involved 157 teenagers aged from 13 and 20 years (M=17,39), among which 110 we…