323 research outputs found

    Nouvelle poétique de l’intimité chez Pierre Reverdy

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    In the nineteenth century, intimacy, for the poet, usually signifies staging the suffering of his own self in his verse, with a variable degree of drama, and offering it to the reader. The exhibition of personal intimacy is a way of creating another form of intimacy, this time of a literary nature, between poet and reader. Pierre Reverdy shattered this system when —while proposing to touch the reader emotionally— he wrote poems without a subject, whose enunciation was carried out by a poetic voice, and when he moved the source of lyricism from the self to the shock created by word associations in the poetic image. A new form of intimacy is thus created, in which the reader has to take responsibility for the lyrical voice, and is then required to look into himself to till out what lies between the lines of the poem. By doing so, the poet opens a door for a poetry featuring the intimacy of the reader, a poetry whose ultimate goal shifts from the expression of the self to the expression of the unsayable, our state of being in the world.En el siglo XIX, la intimidad, para el poeta, suele significar la representación en el verso de su proprio sufrimiento, que ofrece al lector, con un grado variable de drama. La exposición de su intimidad personal es una forma de crear otro tipo de intimidad de naturaleza literaria entre el poeta y el lector. Pierre Reverdy rompe este equilibrio, emocionando al lector en su intimidad, cuando traslada el origen del lirismo del ser del poeta al choque creado por las asociaciones de palabras en la imagen poética. Reverdy da luz a una nueva forma de intimidad, en la cual el lector, llevado a descubrir lo que yace escondido entre las líneas del poema, se transforma en responsable de la voz lírica. Así, el poeta da voz a una poesía en la cual se destaca la intimidad del lector, y cuyo objetivo supremo cambia de la expresión del ser lo indecible de nuestro estar-en-el-mundo.L’écriture de l’intimité, telle qu’elle se comprend au XIXème siècle, s’appuie généralement sur unemise en scène plus ou moins dramatique de la subjectivité souffrante du poète offerte au lecteur.Exhiber son être profond est pour le poète le moyen de susciter une intimité, de nature cette foislittéraire, avec le lecteur. Pierre Reverdy vient bouleverser cet équilibre en proposant d’émouvoir lelecteur tout en écrivant une poésie sans sujet, portée par la voix, en déplaçant le lyrisme de la subjectivitédu poète au choc des images. Reverdy parvient ainsi à créer une nouvelle intimité, en faisantprendre en charge la voix lyrique de ses poèmes par le lecteur, poussé à puiser en lui-même de quoiremplir les interlignes du poème. Ce faisant, le poète ouvre la voie à une poésie mettant cette foisl’intimité du lecteur au premier plan, et dont le but ultime est déplacé de l’expression de soi à celle del’indicible que représente pour nous notre être-au-monde

    Extension du modèle de Hertz pour la prise en compte de la tension de surface dans les essais de nano-indentation des matériaux souples

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    International audienceThe contact between a spherical indenter and a solid is considered. A numerical finite element model (F. E. M) to taking into account the surface tension of the solid is presented and assessed. It is shown that for nano-indentation of soft materials, the surface tension of the solid influences significantly the reaction force due to indentation. The validity of the classical Hertz model is defined. In very good approximation, the force vs. indentation depth curve can be fitted by a power law function F = a d where F denotes the force acting on the indentor, d the indentation depth, a and b in ]1, 1.5] are constants depending on the materials and the size of the indentor.Le contact entre un indenteur sphérique et un solide élastique est considéré. Un modèle par éléments finis permettant de prendre en compte la tension de surface du solide est présenté et validé. Il est montré que pour la nano-indentation de matières souples, la tension de surface du solide peut influencer considérablement la courbe force vs. profondeur d’indentation. Il est ainsi définit quand le modèle de Hertz classique ne convient plus. En très bonne approximation, la courbe force vs. profondeur d’indentation peux être décrite par une croissance allométrique F = a  d où F désigne la force agissant sur l'indenteur, d la profondeur d’indentation, a et b dans ]1, 1.5] sont des constantes qui dépendent du matériau et du rayon de pointe

    A mobile app to identify lifestyle indicators related to undergraduate mental health (smart healthy campus): Observational app-based ecological momentary assessment

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    Background: Undergraduate studies are challenging, and mental health issues can frequently occur in undergraduate students,straining campus resources that are already in demand for somatic problems. Cost-effective measures with ubiquitous devices,such as smartphones, offer the potential to deliver targeted interventions to monitor and affect lifestyle, which may result inimprovements to student mental health. However, the avenues by which this can be done are not particularly well understood,especially in the Canadian context.Objective: The aim of this study is to deploy an initial version of the Smart Healthy Campus app at Western University, Canada,and to analyze corresponding data for associations between psychosocial factors (measured by a questionnaire) and behaviorsassociated with lifestyle (measured by smartphone sensors).Methods: This preliminary study was conducted as an observational app-based ecological momentary assessment. Undergraduatestudents were recruited over email, and sampling using a custom 7-item questionnaire occurred on a weekly basis.Results: First, the 7-item Smart Healthy Campus questionnaire, derived from fully validated questionnaires-such as the BriefResilience Scale; General Anxiety Disorder-7; and Depression, Anxiety, and Stress Scale-21-was shown to significantly correlatewith the mental health domains of these validated questionnaires, illustrating that it is a viable tool for a momentary assessmentof an overview of undergraduate mental health. Second, data collected through the app were analyzed. There were 312 weeklyresponses and 813 sensor samples from 139 participants from March 2019 to March 2020; data collection concluded whenCOVID-19 was declared a pandemic. Demographic information was not collected in this preliminary study because of technicallimitations. Approximately 69.8% (97/139) of participants only completed one survey, possibly because of the absence of anyincentive. Given the limited amount of data, analysis was not conducted with respect to time, so all data were analyzed as a singlecollection. On the basis of mean rank, students showing more positive mental health through higher questionnaire scores tendedto spend more time completing questionnaires, showed more signs of physical activity based on pedometers, and had their devicesrunning less and plugged in charging less when sampled. In addition, based on mean rank, students on campus tended to reportmore positive mental health through higher questionnaire scores compared with those who were sampled off campus. Some datafrom students found in or near residences were also briefly examined.Conclusions: Given these limited data, participants tended to report a more positive overview of mental health when on campusand when showing signs of higher levels of physical activity. These early findings suggest that device sensors related to physical activity and location are useful for monitoring undergraduate students and designing interventions. However, much more sensordata are needed going forward, especially given the sweeping changes in undergraduate studies due to COVID-19

    Ventilación jet para la extracción de un cuerpo extraño endobronquial en un paciente con neumotórax drenado: Informe de caso

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    Introduction Even though foreign body aspiration (FBA) is rare in adult patients, they sometimes require the performance of rigid bronchoscopy for its extraction. Ventilation for this procedure is challenging, especially in patients with pulmonary disease. Clinical, diagnostic evaluation and interventions We described the case of a 71-year old man who presented with a FBA in the left upper lobe associated with a controlateral pneumothorax. After the placement of a pleural drainage, the foreign body was extracted, using rigid bronchoscopy under general anaesthesia and high flow jet ventilation with no further haemodynamic or pulmonary complications, suggesting that this technique is safe in patients with pulmonary leaks. Conclusions In the case described, rigid bronchoscopy minimized the risk of aspiration of blood and detritus due to continuous flow of gas upward, and avoided the increase of the air leak through the pneumothorax thank to limited airway pressures, making it a clear indication.Introducción: Aunque la aspiración de cuerpos extraños es rara en adultos, requiere en algunas ocasiones la realización de una broncoscopia rígida para su extracción. El modo ventilatorio para este procedimiento es un reto, especialmente en pacientes con enfermedad pulmonar. Clínica, evaluación diagnóstica e intervenciones: Describimos aquí el caso de un paciente de 71 años con aspiración de un cuerpo extraño enclavado a nivel del lóbulo superior izquierdo asociado a un neumotórax contralateral. Después de insertar un tubo de tórax se extrajo el cuerpo extraño utilizando broncoscopia rígida bajo anestesia general y ventilación jet de alto flujo sin complicaciones hemodinámicas o pulmonares adicionales, sugiriendo que esta técnica es segura en pacientes con fugas pulmonares. Conclusiones: En el presente caso clínico, la broncoscopia rígida minimizó el riesgo de aspiración de sangre y detritus gracias a la inyección de un flujo continuo de gas ascendente, y evitó así el incremento de la fuga a través del neumotórax por las presiones limitadas en la vía aérea, constituyendo una indicación clara de esta técnic

    A News Verification Browser for the Detection of Clickbait, Satire, and Falsified News

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    The LiT.RL News Verification Browser is a research tool for news readers, journalists, editors or information professionals. The tool analyzes the language used in digital news web pages to determine if they are clickbait, satirical news, or falsified news, and visualizes the results by highlighting content in color-coded categories. Although the clickbait, satire, and falsification detectors perform to certain accuracy levels on test data, during real-world internet use accuracy may vary. The browser is not a replacement for digital literacy and is not always correct. All processing is completed on the local machine - results are not sent to or from a remote server. Results may be saved locally to a standard SQLite database for further analysis

    An app-based surveillance system for undergraduate students\u27 mental health during the covid-19 pandemic: Protocol for a prospective cohort study

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    Background: The COVID-19 pandemic is a public health emergency that poses challenges to the mental health of approximately 1.4 million university students in Canada. Preliminary evidence has shown that the COVID-19 pandemic had a detrimental impact on undergraduate student mental health and well-being; however, existing data are predominantly limited to cross-sectional survey-based studies. Owing to the evolving nature of the pandemic, longer-term prospective surveillance efforts are needed to better anticipate risk and protective factors during a pandemic. Objective: The overarching aim of this study is to use a mobile (primarily smartphone-based) surveillance system to identify risk and protective factors for undergraduate students\u27 mental health. Factors will be identified from weekly self-report data (eg, affect and living accommodation) and device sensor data (eg, physical activity and device usage) to prospectively predict self-reported mental health and service utilization. Methods: Undergraduate students at Western University (London, Ontario, Canada), will be recruited via email to complete an internet-based baseline questionnaire with the option to participate in the study on a weekly basis, using the Student Pandemic Experience (SPE) mobile app for Android/iOS. The app collects sensor samples (eg, GPS coordinates and steps) and self-reported weekly mental health and wellness surveys. Student participants can opt in to link their mobile data with campus-based administrative data capturing health service utilization. Risk and protective factors that predict mental health outcomes are expected to be estimated from (1) cross-sectional associations among students\u27 characteristics (eg, demographics) and key psychosocial factors (eg, affect, stress, and social connection), and behaviors (eg, physical activity and device usage) and (2) longitudinal associations between psychosocial and behavioral factors and campus-based health service utilization. Results: Data collection began November 9, 2020, and will be ongoing through to at least October 31, 2021. Retention from the baseline survey (N=427) to app sign-up was 74% (315/427), with 175-215 (55%-68%) app participants actively responding to weekly surveys. From November 9, 2020, to August 8, 2021, a total of 4851 responses to the app surveys and 25,985 sensor samples (consisting of up to 68 individual data items each; eg, GPS coordinates and steps) were collected from the 315 participants who signed up for the app. Conclusions: The results of this real-world longitudinal cohort study of undergraduate students\u27 mental health based on questionnaires and mobile sensor metrics is expected to show psychosocial and behavioral patterns associated with both positive and negative mental health-related states during pandemic conditions at a relatively large, public, and residential Canadian university campus. The results can be used to support decision-makers and students during the ongoing COVID-19 pandemic and similar future events. For comparable settings, new interventions (digital or otherwise) might be designed using these findings as an evidence base

    Influence of Matrix Polarity on the Properties of Ethylene Vinyl Acetate–Carbon Nanofiller Nanocomposites

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    A series of ethylene vinyl acetate (EVA) nanocomposites using four kinds of EVA with 40, 50, 60, and 70 wt% vinyl acetate (VA) contents and three different carbon-based nanofillers—expanded graphite (EG), multi-walled carbon nanotube (MWCNT), and carbon nanofiber (CNF) have been prepared via solution blending. The influence of the matrix polarity and the nature of nanofillers on the morphology and properties of EVA nanocomposites have been investigated. It is observed that the sample with lowest vinyl acetate content exhibits highest mechanical properties. However, the enhancement in mechanical properties with the incorporation of various nanofillers is the highest for EVA with high VA content. This trend has been followed in both dynamic mechanical properties and thermal conductivity of the nanocomposites. EVA copolymer undergoes a transition from partial to complete amorphousness between 40 and 50 wt% VA content, and this changes the dispersion of the nanofillers. The high VA-containing polymers show more affinity toward fillers due to the large free volume available and allow easy dispersion of nanofillers in the amorphous rubbery phase, as confirmed from the morphological studies. The thermal stability of the nanocomposites is also influenced by the type of nanofiller
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