bluuebunny/crossref_metadata_2025 huggingface dataset:
USO DE PLICKERS COMO FERRAMENTA FACILITADORA NAS AULAS DE CIÊNCIAS
Authors: Botelho Iury Thiago Dias , Silva e Silva Ian Caio , Ferreira Suelen Rocha Botão , Ferreira Welberth Santos
Published: March 2023

O presente trabalho é relatado as experiências vivenciadas em sala de aula, no ensino funda- mental, através da prática pedagógica na disciplina de ciências. O processo ocorreu no estágio supervisionado do fundamental do curso de Física da Universidade Estadual do Maranhão na cidade de São Luís, feito a partir da disciplina de metodologias educacionais. O trabalho foi realizado na escola da rede estadual com 36 alunos do 9º ano, com média de 14 anos de idade, e teve como objetivo ressignificar as metodologias educacionais em sala de aula trazendo métodos não convencionais e tecnológicos, uma vez que esses alunos inicialmente apresentavam características de desinteresse e agitação. Os resultados dessa experiência indicaram que é fundamental a importância ao longo do tempo de mudar os métodos de lecionar, para que seja possível contribuir para a melhoria do aprendizado dos alunos.
Hydrodynamic Analysis Inside a Circulating Fluidized Bed Boiler Based on Time Change Using CFD
Authors: Tony Suryo Utomo  , Eflita Yohana  , Rayhan Halim  , Mohammad Farkhan Hekmatyar Dwinanda  , Zakaria Rahmanu  , Kwang-Hwan Choi
Published: March 2023

The power generation industry has progressively improved the design of power plants to tackle global climate change. Coal-fired power plants will be cleaner and more efficient with the CFB (Circulating Fluidized Bed) technology in the boiler. CFB boilers have the advantage where the resulting carbon dioxide, SOx, and NOx emissions are significantly reduced. This makes research on CFB boilers widely carried out, especially those using CFD (Computational Fluid Dynamic). This study aims to determine the most appropriate turbulence model using CFD simulations on CFB boilers to analyze the hydrodynamic elements in the boiler against time changes, including the distribution of solid volume fractions, pressure, velocity, and wall shear stress. Three turbulence models were tested as part of the simulation: standard , RNG , and RSM, which were then compared to earlier research. The RNG model produces the closest result to the experimental data, with an error value of 6.24%. Solid volume fraction area is increasingly widespread with values ranging from 0.05 to 0.1 from the furnace’s bottom to a height of 15 m. The high-pressure area further expands at the bottom of the furnace to a height of 15 m, with values ​​ranging from 3 kPa to 10 kPa. The outlet line velocity has increased from 43 m/s to 50 m/s. The wall shear stress increases from 0.75 Pa to 1.1 Pa at the outlet wall.
Aerodynamic Performance Investigation of a Small Horizontal Axis Wind Turbine with Multi-Airfoil Blade Profiles of SD2030 and E231 Using Wind Tunnel Experiments and BEM Theory Method
Authors: Esam Abu Baker Ali Abu Baker  , Iskandar Shah Ishak  , Tholudin Mat Lazim  , Mohamed Mohamed Takeyeldein  , Abul Bashar Mohammad Abu Haider
Published: March 2023

The goal of this study is to investigate the performance of a small horizontal axis wind turbine blade at wind speeds of lower than 5 m/sec numerically and experimentally. The rotor blade has a diameter of 0.7m and consists of two airfoils profile: the thin airfoil SD2030 selected at the outboard region, and the thick airfoil E231 at the inboard region. The former airfoil, SD2030, is highly recognized for aerodynamic performance as it is suitable for low Reynolds number (Re), while the latter airfoil E231 is likewise appropriate for low Re flow but has a higher thickness-to-chord ratio which acts as structural support and good strength at the hub. The selected airfoils were analyzed using QBlade software based on XFOIL and Blade Element Theory (BEM) for different Reynolds number. Using a low-speed wind tunnel and Reynolds number ranging from 1x105 to 5x105, experiments at pitch angles of 5ο were conducted to determine the variation in torque and predict blade performance. The results reveal that the turbine with two hybrid different airfoil profiles have achieved a better start-up response at low wind speed of 1.5 m/s and a high-power coefficient of 0.34 with 3.7 tip speed ratio. The turbine can be used to generate a power of 0.5W at 1.5 m/s and a maximum power harvest of up to 20W at a wind speed of 7m/sec. The turbine's performance compared to other small wind turbines from the literatures demonstrate good performance and the results obtained from wind tunnel data were found in satisfactory agreement with the results provided by the BEM code.
Three-Dimensional Analysis of the Thermal Behavior of Alumina-Water Nanofluid Inside Hexagonal and Octagonal Enclosed Domain
Authors: Zainab Kareem Ghoben  , Ahmed Kadhim Hussein
Published: March 2023

The current work focused on the study of the laminar and steady free convection of Aluminum Oxide / Water nanofluid inside cavities. Two different cavities have the same volume but different overall surface area and count of walls are studied. These cavities are heated differentially on the vertical square side walls which of identical area and dimensions for both cavities. The other vertical walls of these cavities have hexagonal and octagonal shapes. The first cavity has eight walls while the second has ten walls. The study accomplished for solid particles volume fraction and Rayleigh number ranges of (φ = 0.01, 0.03, 0.05) and (103 ≤ Ra ≤ 106). The study interested highly by the effect of the cavity geometry parameters including the lateral cross section, the height, the number of walls on the flow and heat transfer. Other flow parameters are recognized on the fluid flow and heat transfer fields like the nanoparticles volume fraction and the Rayleigh number. The results indicated that the surface area increase by means the additional walls has an observed effect on guiding the results. Where the octagonal cavity has better enhancement in heat transfer especially at (Ra=104 and 105). The percent increase in Nu over the hexagonal cavity is (0.6, 0.8, 0.7, 0.3) for the specified Ra range.
Flow And Heat Transfer of Unsteady Two-Phase Boundary Layer Flow Past an Inclined Permeable Stretching Sheet with Electrification of Particles
Authors: Subhrajit Kanungo  , Tumbanath Samantara
Published: March 2023

In the present study, an analysis has been carried out for a particle laden boundary layer flow with existence of electrification of particles has been studied over an inclined permeable stretching sheet. In most of the MHD fluid flow problems, either the plate is externally supplied by the magnetic/electric field or the fluid is electrically conducting. In the present problem, neither the plate is electrified nor the fluid is electrically conducted, but due to the random motion of the particles, collision of particle-particle and particle–wall, the particles are electrified. This electric field affects the fluid flow and heat transfer of the flow problem. Again, in the previous literatures, Buoyancy force is considered in momentum equations of fluid phase only. But in reality, both the phases are affected by the buoyancy force. For this reason, a reasonable mathematical model for two-phase buoyancy driven flow has been formulated with the consideration of electrification of particles in both fluid and particle phase. The governing system of PDEs are transferred to system of ODEs by applying similarity transformations and then computed by implementing Runga-Kutta method. The impact of electrification and other fluid parameters on flow and heat transfer has been studied. The results are represented through graphs and tables
Nerve Conduction Studies and Measurement of Median Nerve Cross-Sectional Area in Patients Newly Diagnosed with Hypothyroidism
Authors: YILDOĞAN Aydın Talip , ÖNGÜN Gözde , EREN Fettah , KARA Hasan , AKKULAK Abdullah Erdem , KIRAÇ Cem Onur , BALDANE Süleyman , ALBAYRAK İlknur , AYGÜL Recep
Published: March 2023

Aim: This study aimed to investigate the rate of carpal tunnel syndrome (CTS) and polyneuropathy in patients with new-diagnosed hypothyroidism and the relationship between median nerve conduction and the cross-sectional area of the median nerve by ultrasonography.
Material and Methods: It was a prospective, cross-sectional and case-control study. This study included thirty-five new-diagnosed hypothyroidism cases and thirty-five healthy controls. Bilateral sensory and motor nerve potentials were noted in the lower and upper extremities. The cross-sectional area of the median nerve was examined at the entrance of the CT with the axial plan by ultrasonography. The relationship between the cross-sectional areas of the median nerve and nerve conduction parameters was investigated.
Results: CTS was determined electrophysiologically in 8 (22.9%) patients. The control group had no CTS. There was no significant electrophysiological finding to support polyneuropathy in the patients. The cross-sectional areas of the median nerve were higher in the patient group but did not reach statistically significant (p>0.05). There was a positive correlation between the right and left cross-sectional area of median nerves and body mass index (BMI) (p<0.05).
Conclusion: The rate of CTS is high in patients with newly diagnosed hypothyroidism. There is a positive correlation between cross-sectional nerve areas and BMI. There was no significant correlation between nerve conductions and median nerve ultrasonographic cross-sectional areas.
Comparing traffic performances between signalised and give-way roundabouts: a case study in Bursa
Authors: KAYACAN Alphan , YILMAZ Bahadır , ÖZDEMİR Ahmet Münir
Published: March 2023

Globally developing economies and opportunities cause an increase in the density of people in city centers, thus an extraordinary increase in the number of motor vehicles. The increase in the number of motor vehicles complicates the creation of a sustainable traffic network. Waiting times and the number of stops cause psychological, physical and environmental problems. The efficiency of intersections is vital to ensure sustainable transportation. Modern roundabouts outperform signalized roundabouts, and their popularity has been increasing in recent years. However, the geometric features of the intersections should be suitable for the location and traffic composition. In this study, Durmazlar roundabout, which is currently a signalized roundabout in Bursa, has been transformed into a modern roundabout and redesigned. One of the aims of the study is to make minimal changes in the geometry of the roundabout. One-way road applications have been made to regulate entrances and exits on problematic roads. Modeling of the roundabout and collecting result data was done with the PTV Vissim simulation program. Queue length, travel time, and speed parameters of the data obtained regarding the new scenario and the current situation were compared.
Phylogeography of Falagonia mexicana Sharp, 1883 (Coleoptera, Staphylinidae, Aleocharinae)
Authors: Reyes Justo A. , Espinosa de los Monteros Alejandro , Santiago-Jiménez Quiyari J.
Published: March 2023

Falagonia mexicanais an aleocharine distributed from northern Mexico to Guatemala and El Salvador. It is associated withAtta mexicanaants and lives within their piles of waste or external debris. The phylogeography and historical demography of 18 populations from Mexico, Guatemala, and El Salvador were studied. The data set encompasses a 472 bp fragment of the COI. Results suggest thatF. mexicanawas originated during Middle Pliocene (ca. 0.5 Mya), starting its diversification at the Upper Pleistocene and Holocene. Populations were recovered forming at least four main lineages, with a significant phylogeographic structure. Evidence of contemporary restricted gene flow was found among populations. The historical demography suggests that the geographic structure is due to recent physical barriers (e.g., Isthmus of Tehuantepec) rather than ancient geological events. Also, recent geological and volcanic events in the east of the Trans-Mexican Volcanic Belt and the Sierra Madre Oriental might be responsible for the restricted gene flow among populations. Skyline-plot analyses suggested that a demographic expansion event took place at the end of the Late Quaternary glacial-interglacial cycles.
Conscience, inconscience et inconscient ?
Authors: Amfreville Marc
Published: March 2023

Cet article, à partir d’un cas clinique, se propose de repenser les liens qui unissent ou devraient unir psychanalyse et réflexion sur l’environnement. Prenant appui sur un article fondateur de H. Searles, un essai écologiste du romancier américain Jonathan Safran Foer et une nouvelle de l’écrivain Rick Bass, il entend démontrer que le psychanalyste, en marge d’indispensables considérations sur la réalité psychique, devrait savoir rester attentif à la réalité matérielle des sources des angoisses créées par la crise environnementale, qu’il ne peut pas ne pas partager avec son patient – et que la littérature peut l’y aider.
L’ajournement de l’ère de la machine
Authors: Sachs Hanns , Christophe Philippe
Published: March 2023

Paru en 1934, cet article de Hanns Sachs montre que l’invention de la machine à des fins utilitaires n’a pu voir le jour dans l’Antiquité romaine, du fait de l’industrie esclavagiste ainsi que, selon son investigation psychanalytique, du fait d’une impossibilité inconsciente des humains de l’époque à différencier l’animé de l’inanimé, doublée d’une exubérance narcissique insurmontée du corps. La clinique psychopathologique de la « machine à influencer » par Victor Tausk fournit une assise à la démonstration de l’auteur.
Souvenirs de S. Ferenczi par l’écrivain Dezsö Kosztolányi
Authors: Moreau Ricaud Michelle , Kosztolányi Dezsö
Published: March 2023

À la mort de Ferenczi, son ami écrivain D. Kosztolányi lui rend un hommage émouvant. Il évoque sa personnalité sociable, attachante, juvénile, dont la curiosité, toujours en éveil, le faisait s’intéresser à tout, à l’art, la littérature, aux jeux, au folklore... Il le présente aussi aux lecteurs du  Nuygat comme un chercheur inquiet, faisant une place au doute, et dont l’influence s’étend, avec celle de Freud, sur le plan international. Ferenczi, engagé dans le combat pour la cause analytique, s’est occupé aussi bien des « affaires extérieures », comme Freud les appelait, (création de l’Association psychanalytique internationale) que de théorie (dont l’originale  Thalassa ) ou de formation analytique.
Autoclivage narcissique
Authors: Duprey Laura
Published: March 2023

Ferenczi, dans ses derniers écrits théoriques, a mis au jour à travers la notion « d’autoclivage narcissique » un mécanisme bien spécifique, lié à une tentative de survie face à une intrusion traumatique. À travers le récit de quelques moments saillants de la thérapie d’une enfant de 8 ans, l’auteur revient sur les effets d’un tel mécanisme dans le lien transférentiel. L’analyse du contre-transfert et la reprise du processus thérapeutique ont permis le surgissement dans le matériel clinique de diverses figurations de cet « autoclivage », puis de dessins, de jeux et d’histoires, témoignant d’une élaboration en cours.
De la guerre
Authors: Herlem Pascal
Published: March 2023

La guerre entre l’Ukraine et la Russie montre combien la parole peut être manipulée et devenir une arme de guerre, ce qui n’est pas sans émouvoir profondément les psychanalystes, pour lesquels la parole requiert un respect quasi sacré : elle seule « nous tient ensemble » (Montaigne).
Du confinement des hérissons
Authors: Sanguet Marcel
Published: March 2023

Le confinement nous a fait mesurer le danger de l’aspiration à la fusion familiale. Nous sommes comme les hérissons de Schopenhauer : nous nous blessons en nous rapprochant mais nous souffrons du froid sitôt que nous nous éloignons. La famille est une drôle de machine infernale faite de conflits et d’impossibles, mais on n’a pour l’instant rien trouvé d’autre pour fabriquer de la subjectivité de façon efficace. Malgré la tentation de l’humain pour la soumission à un ordre établi et représenté par un personnage fort, il est fondamental, en famille comme en société, de rappeler la nécessité d’encourager et de tolérer le mouvement et le désordre, seules dynamiques nous permettant d’échapper au pouvoir de la « bouillie originaire » (S. Freud). En s’appuyant sur les concepts de Gilles Deleuze et Félix Guattari de lignes de fuite , déterritorialisation , machine de guerre , l’article encourage au « devenir hérisson ».
Les îles
Authors: Guedj Max
Published: March 2023

C’est le récit métaphorique d’une liberté de vivre sur des îles, acceptées par des prisonniers, puis des prisonnières, au lieu de rester dans des camps. L’auteur y décrit leurs vies, leurs manies, leurs solitudes, leurs exils, leurs morts, leurs rencontres, leurs couples potentiels avec les tribulations de l’exogamie, et les effets endogamiques de la fertilité et de l’infertilité qui révèlent « des cas » « aux destins piteux » bien peu encourageants pour l’espèce humaine en totale extinction pour ces insulaires. Sauf à attendre l’espoir d’une nouvelle Genèse ?
Le couple face au don d’ovocytes
Authors: Canneaux Marion , Karpel Léa
Published: March 2023

À partir de leur expérience de psychologues cliniciennes, les auteures mettent en lumière les enjeux psychiques liés à la décision de recevoir un don d’ovocytes chez les couples. Le deuil de la fertilité féminine, le recours à une donneuse et la naissance d’un enfant dont la moitié du patrimoine génétique est inconnue impliquent des questions et des renoncements différents pour chaque membre du couple. Pour éloigner la rivalité et les conflits conjugaux, les fantasmes et les angoisses associés à la donneuse, les couples minimisent le rôle de la donneuse et celui de la filiation génétique au regard de l’importance de la grossesse. Lorsque le pacte dénégatif empêche un processus d’élaboration, ce qui n’a pas été traité psychiquement risque de ressurgir ultérieurement et d’être préjudiciable pour le couple et la famille. Les psychologues jouent un rôle important pour aider ces couples à élaborer ces enjeux avant de s’engager dans la démarche.
Psychosexualité d’une femme sans enfant et trompée à l’épreuve du vieillissement du couple
Authors: Mazoyer Anne-Valérie , Cuervo-Lombard Christine
Published: March 2023

Le suivi psychologique d’une femme dans la cinquantaine est l’occasion de saisir les effets du corps malade et vieillissant sur la vie psychique. Suite à une atteinte somatique bénigne mais surchargée d’enjeux du féminin et du maternel, Toni apprend une infidélité de son mari et elle s’effondre. Les auteures interrogent comment le psychologue d’orientation psychanalytique peut entendre la souffrance contemporaine du corps et l’actualité du désamour et leurs déterminations inconscientes. Les faits somatiques et de la scène conjugale sont une porte d’entrée pour revisiter des événements passés, leur charge affective et pour dénouer un contrat narcissique conjugal autour de la performance et de la réussite.
Pratique des sexualités ponctuelles entre hommes
Authors: Simon Arnaud
Published: March 2023

Cet article documente la pratique du plan dans les relations entre hommes, à savoir ces rencontres rapides, à but sexuel principalement et en général non répétées. Le matériel mobilisé résulte de trente entretiens semi-directifs. Le plan correspond souvent à une dissociation marquée entre le courant sensuel et le courant tendre, au sens freudien, et présente donc un intérêt pour approfondir la compréhension de cette dualité. L’article observe les prises de contact virtuelles, les lieux des plans et la possibilité de penser, ou de ne pas penser, le plan, d’en refouler le souvenir. Les affects éprouvés dans la rencontre de l’autre comme l’absence d’affect ( désaffectation ) sont alors analysés aux côtés de la question de la sociabilité et des impressions d’inquiétante étrangeté.
La participation citoyenne au paysage au croisement d’initiatives institutionnelle et citoyenne : étude des cas d’un Plan de paysage et d’un Collectif forêt
Authors: Carbonnel Anne , Desmartin Manon , Gouju Alissia
Published: March 2023

À partir de l’étude d’un Plan de Paysage et de l’émergence d’un Collectif citoyen dont l’objet est la forêt, cet article a pour objectif de réfléchir à la manière dont la sociologie de l’acteur réseau permet d’éclairer la participation des citoyens à des discussions portant sur le paysage. Cette étude compare deux démarches de participation citoyenne environnementale, institutionnelle d’une part et citoyenne d’autre part, pour mieux comprendre les ressorts et les freins de la participation.
De la médiation équithérapique au pari de l’intersubjectivité
Authors: Chaffange Amélie , Mercader Patricia , Raoult Patrick-Ange , Blanquet Brigitte , Guinard Frédérik
Published: March 2023

L’équithérapie ou médiation équine s’inscrit dans la recherche en psychopathologie clinique depuis des années, de même que l’animal et son lien à l’homme occupent une place centrale dans de nombreux domaines scientifiques. Ce travail est fondé sur une pratique auprès d’enfants présentant des troubles du comportement et des difficultés à entrer dans les processus de pensée, en lien avec une défaillance objectale précoce. Les observations retranscrites dans cet article mettent en lumière la qualité du lien transférentiel établi entre les enfants, les soignants et les chevaux. Le cheval se fait garant de qualités maternelles permettant aux enfants de remettre au travail des liens précoces carencés. Il offre également un appui aux thérapeutes en panne d’interprétation des vécus groupaux. Ces observations mettent en lumière l’intérêt de la mise en place de dispositifs à médiation équine auprès d’enfants dont le lien à l’objet est source d’insécurité.
Destins de la haine dans le travail de séparation en fin de groupe à l’adolescence
Authors: Riand Raphaël , Robert Philippe , Bittolo Christophe
Published: March 2023

La haine et l’agressivité en psychanalyse recouvrent des figures qui courent du normal au pathologique et font partie de leurs fondements théoriques. Les désirs incestueux et parricidaires constituent un des enjeux centraux dans l’élaboration de l’adolescence et vont être particulièrement mobilisés dans une fin de groupe à cet âge. Nous souhaiterions ici montrer comment l’agressivité et ses figures jouent un rôle structurant et nécessaire, voire indépassable, dans le processus de séparation à la fin d’un groupe à l’adolescence. La liquidation du transfert et le deuil en fin d’analyse mobilisent cette fantasmatique.
The Impact of COVID-19 Household Isolation on Conflict and Cohesion in One-, Two-, and Three-Generation Households With Older Adults
Authors: Iriarte Evelyn , Larson Michaela E. , Behar-Zusman Victoria
Published: March 2023

The current cross-sectional study examined the effect of coronavirus disease 2019 (COVID-19) household isolation on household conflict and cohesion in one-, two-, and three-generation households with older adults (aged ≥65 years). Participants were 757 adults (aged ≥18 years) with at least one older adult in their household. Respondents were from 51 countries. Study variables were measured with the COVID-19 Household Environmental Scale. Non-parametric tests were used to assess differences between groups. Most participants (
n
= 437, 57.7%) lived in three-generation homes. Three-generation homes reported greater increases in conflict (
p
< 0.001) and cohesion (
p
< 0.001) during household isolation compared to oneand two-generation homes. Findings suggest that older adults living in multigenerational households experienced more cohesive and conflictive household environments as a function of the COVID-19 pandemic. Further research should explore how family or health care interventions could better support older adults and families as a unit of care to avoid adverse outcomes and boost resilience. [
Journal of Gerontological Nursing, 49
(4), 47–56.]
Co-Production: Journey to Wellness Guide
Authors: Swarbrick Margaret , Kuebler Corey , Treitler Peter , Estes Arielle , Digioia-Laird Vincent , Moosvi Karen , Nemec Patricia
Published: March 2023

As rates of substance use and mental disorders continue to rise, individuals with mental health and substance use challenges and their supporters could benefit from practical, accessible, cost-effective, wellness-focused tools outlining simple daily strategies to promote long-term recovery. The current article describes such a tool, the Journey to Wellness Guide, based on the Wellness Model, and developed through a co-production process.
Co-production
refers to a process of research, service design, and educational materials development where people with lived experience of mental health and/or substance use challenges share decision-making power throughout all stages of production, including the sharing of results. The co-production process resulted in a well-received wellness tool and tip guides for personal use, supporting others, and use in a group context. The value of this tool for psychosocial nursing and behavioral health care worker self-care and practice is outlined. [
Journal of Psychosocial Nursing and Mental Health Services, 61
(9), 24–30.]
A solution of a fractional differential equation via novel fixed-point approaches in Banach spaces
Authors: Ahmad Junaid , Ullah Kifayat , Hammad Hasanen A. , George Reny
Published: March 2023

This manuscript is devoted to presenting some convergence results of a three-step iterative scheme under the Chatterjea–Suzuki–C ((CSC), for short) condition in the setting of a Banach space. Also, an example of mappings satisfying the (CSC) condition with a unique fixed point is provided. This example proves that the proposed scheme converges to a fixed point of a weak contraction faster than some known and leading schemes. Finally, our main results will be applied to find a solution to functional and fractional differential equations (FDEs) as an application.
El Cuarto bajo de verano y las bóvedas de la Reina Isabel de Borbón en el Real Alcázar de Madrid. Cronología de la construcción de una zona olvidada
Authors: Michielon Audrey-Caroline
Published: March 2023

El presente estudio pretende arrojar luces sobre las etapas de la construcción de un espacio del Real Alcázar de Madrid que ha permanecido en las sombras hasta el día de hoy: el Cuarto bajo de Verano de la reina y sus bóvedas.
L. Matías Díaz Padrón (Valverde, El Hierro, 1935-Madrid, 2022)
Authors: Diéguez Rodríguez Ana
Published: March 2023

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Quelques réflexions sur la statuaire zoomorphe néolithique saharienne en terre cuite
Authors: Amblard-Pison Sylvie
Published: March 2023

Dans plusieurs gisements néolithiques du Sahara méridional ont été découvertes des statuettes zoomorphes en terre cuite. Leur apparition y est relativement tardive, aux environs de 4000 BP, dans un contexte où l'aridité est déjà bien prononcée et où les hommes se regroupent dans des zones refuges. En Mauritanie sud-orientale, les fragments de statuettes retrouvés à l'intérieur des habitats néolithiques du Dhar Tichitt sont à l'image de bovins et d'ovins. Leur représentation reste bien fidèle à la réalité. Diverses interprétations concernant la raison d'être de cet art mobilier en terre cuite sont proposées.
Estimation du nombre d’individus à évacuer en cas de tsunami à l’échelle du littoral méditerranéen français
Authors: Carles Noé , Péroche Matthieu , Douvinet Johnny , Foulquier Pierre
Published: March 2023

Face à un tsunami, l’unique mesure de mise en sécurité consiste à évacuer la population de la zone de danger. Pourtant, l’une des difficultés posées pour planifier ces évacuations est la variabilité de la fréquentation des littoraux, qui fluctue spatialement et temporellement. Dans ce contexte, cette étude présente une approche associant différentes données spatialisées à une échelle fine (bâtiment, individus), et exploitées dans un Système d’information géographique (SIG), pour estimer le nombre de personnes potentiellement à évacuer, pour deux scénarios de fréquentation. Elle a été testée, puis appliquée sur les 187 communes de la méditerranée française, ayant une partie de leur superficie située en zone terrestre à évacuer. Si 164 000 résidents étaient à évacuer sur une superficie totale de 207 km2, en particulier à Marseille, Fréjus et Toulon, les évacuations pourraient toutefois concerner 832  000 usagers des plages durant le pic de la haute saison touristique. Même si ces estimations restent à consolider pour tendre vers une évaluation systémique de la fréquentation, elles sont inédites sur le littoral méditerranéen français, et amènent surtout à envisager différentes stratégies de planification.
Édito
Authors: Lemoine-Bresson Véronique , Miribel Julien de , Souplet Catherine
Published: March 2023

Ce dossier a pour objectif de réunir des contributions qui interrogent les places, rôles et vécus des acteurs et actrices dans les recherches en éducation et formation. Les huit articles se répartissent en deux groupes distincts mais complémentaires. Le premier groupe permet de mieux réfléchir certaines formes des dispositifs mis en place dans des recherches de type collaboratif, en soulignant que, néanmoins, leur déploiement n’est pas dénué de tensions, de difficultés quand il est question des places et rôles de chacun et chacune. Le second groupe propose des analyses développant plus particulièrement les vécus des acteurs et actrices et leurs effets, en termes de développement professionnel, de transformations et d’apprentissages. Dans un groupe comme dans l’autre, on perçoit certaines des vertus de la collaboration entre les acteurs et actrices des recherches en éducation et formation, sans pour autant verser dans une forme d’angélisme.
Quand le monde professionnel rencontre le monde de la recherche et font expérience commune
Authors: Wittorski Richard , Lyet Philippe , Rivet Gilles
Published: March 2023

Cet article vise à approcher les dimensions collectives et collaboratives de la conduite de la recherche, à comprendre les effets produits par l’engagement d’une activité de recherche par et sur des professionnels et à préciser les options méthodologiques choisies. Il s’appuie pour cela sur deux recherches portant sur l’analyse d’activités professionnelles et de métiers en évolution. Il s’intéresse plus particulièrement aux conditions et aux modalités de collaboration entre chercheurs et professionnels dans les deux recherches et aux effets produits sur les professionnels engagés. Il montre que ces dispositifs de recherche demandent du temps et demeurent fragiles et qu’il convient donc d’en « prendre soin ». Il identifie une tension entre enjeux professionnels/institutionnels et enjeux de recherche, entre posture de professionnel et posture de chercheur. Il met en évidence des effets de transformation​ professionnelle, par la construction de dynamique​s​ collective​s​ de nature interprofessionnelle.
La place des acteurs dans la recherche collaborative. Étude du dispositif de médiation par les pairs en milieu scolaire : modalités et perspectives du faire ensemble
Authors: Condette Sylvie
Published: March 2023

L’injonction à la collaboration est devenue un inlassable leitmotiv politique dans les organisations contemporaines – qu’elles soient privées ou publiques – comme si la collaboration entre plusieurs personnes autour d’un objet commun allait forcément de soi, et comme si, à grand renfort d’arguments réitérés, l’incantation au travail en équipe pouvait d’emblée produire les effets escomptés en termes de cohésion et de performance collective. Pour autant, il n’est pas question de nier ici l’intérêt d’une collaboration et encore moins d’éluder les bénéfices d’un travail mené en commun. Il est par contre besoin lors d’un travail qui se dit et se veut collaboratif de prendre le temps de bien définir conjointement ce que signifie la collaboration et d’y donner préalablement consistance afin de s’accorder sur le sens qu’elle revêt et les objectifs qui sont visés. C’est ce que nous proposons d’étudier en nous appuyant sur des dispositifs de médiation par les pairs en établissements scolaires.
Quelques écueils méthodologiques dans des recherches participatives avec des parents et des professionnels de l’éducation
Authors: Lahanier-Reuter Dominique
Published: March 2023

Dans cet article, nous explorons les spécificités de la prise en compte méthodologique des familles dans des recherches centrées sur la relation école/parents. Nous nous appuyons pour cela sur deux études en cours qui s’organisent toutes les deux autour d’observations de classes par des parents. Nous dégageons ainsi quatre points qui particularisent selon nous la place accordée aux familles dans le processus de recherche : les modes de sollicitation des individus à participer à la recherche, les désignations des acteurs, les garanties apportées pour maintenir ces places, la gestion des éventuelles tensions ou situations émotionnellement fortes et, enfin, les positions des parents au cours des situations de recueil de de données, entretiens, observations, etc.
Des jeux d’alliances éducatives sur un territoire rural. Une étude d’impact dans le cadre de la réforme des rythmes scolaires
Authors: Bonnaud Karine
Published: March 2023

Cet article propose d’éclairer les jeux d’alliances éducatives à l’œuvre lors de la mise en œuvre de la réforme des rythmes scolaires de 2013 en milieu rural. À partir d’une étude d’impact comme démarche d’accompagnement au changement et du cadre d’analyse de la sensibilité du territoire éducatif partagé, nous cherchons à comprendre en quoi et comment des alliances éducatives se créent ou pas et si oui, à quel degré et pour quelle pérennité. Nos résultats mettent au jour des alliances graduées et présentant des frontières plus ou moins poreuses selon l’échelle territoriale considérée. Nous terminons par des éléments de prospective quant au devenir de ces alliances au regard de la situation pandémique pour esquisser un horizon en faveur d’un futur éducatif local souhaitable.
Modelling and Optimization of Amphoteric Surfactant Concentration in Electroless Nickel Boron Coatings for Maximum Microhardness
Authors: Vijayanand M. , Varahamoorthi R. , Kumaradhas P. , Sivamani S.
Published: March 2023

In the electroless nickel-boron coating process, surfactant helps to minimize the surface tension between the substrate and the electrolyte in the bath. Despite, its high cost and the formation of micelles from monomeric surfactant molecules at its critical micelle concentration (CMC), it is essential to optimize the concentration while using in the bath. In this study, to solve this problem, mathematical models are developed using regression and artificial neural network (ANN) techniques to relate the concentration of amphoteric surfactant (0-0.162 g/L) as an independent variable and microhardness as a dependent variable. Then, the developed model was used to optimize microhardness at CMC using a genetic algorithm (GA). The goodness of fit of the models was evaluated using the coefficient of determination (R2). The ANN model was found to be the best fit with R2 = 0.99. The maximum microhardness of 852 HV was achieved at the CMC of 0.064 g/L, from the GA using the validated model as a fitness function.
Influence of Tool Rotation and Surface Roughness on the Shear Strength of Nylon 6 - SS 304 Dissimilar Joint Resulted by Friction Lap Welding
Authors: Wahono Wahono , Arnanda Irfan , Suyetno Agus , Aminnudin Aminnudin , Ansari Abu Saad , Pradana Yanuar Rohmat Aji
Published: March 2023

This research was conducted to investigate the effect of variations in tool rotation and surface roughness towards shear strength on the newly developed friction lap welding (FLW) for dissimilar joints between stainless steel (SS) 304 and Nylon 6 plates. Under constant welding traverse speed at 30 mm/min, the variation of tool rotation used were 1100 and 2200 rpm and surface roughness of 0.32; 1.25; and 1.88 μm initially obtained from different surface modification methods. The shear test was conducted at FLW dissimilar joint based on AWS D8.9-97 standard. The results showed that the shear stress increased along with the higher tool rotation and at the greater surface roughness. The highest shear strength value was found at the tool rotation of 2200 rpm and surface roughness of 1.88 μm with 9.447 MPa. The tool rotation may produce a higher heat input as well as an effect on the value of nylon hardness. On the other hand, rougher SS surfaces provide a larger area for the interfacial adhesive bond between nylon and metal; therefore, they can act as an interlocking site when the shear loading was applied. These phenomena were also confirmed by fracture morphology and microscopic image analysis.
Physical Modeling of Steel Resistance to Hydrogen Embrittlement
Authors: Shaposhnikov N.O. , Tsvetkov Anton S. , Strekalovskaya Daria A. , Nikolaeva Anna , Devyaterikova Natalya A.
Published: March 2023

Hydrogen can be used in the same energy processes as natural gas and become a tool for implementing the transition to a sustainable low-carbon economy. The level of contamination resulting from controlled combustion of hydrogen or methane-hydrogen mixture is relatively low, which will significantly reduce CO2 emissions. However, the use of hydrogen can involve considerable difficulties associated with the hydrogen compatibility of materials. With the increase in the production, storage and transportation of hydrogen gas, including through gas pipelines, hydrogen-resistant materials are needed. The main problem with hydrogen is its embrittling effect. Under the influence of hydrogen, pipelines materials can probably have the following: hydrogen charging of the surface layer under pressure, loss of plasticity at tensile loads, formation of cracks and blisters (by decogesia mechanism), diffusion to the stress concentrator according to adsorption theory, accumulation of hydrogen at the top of the crack (which can lead to cracking) and so on. To assess the possibility of using a pipeline system for transportation of hydrogen gas in large volumes, it is necessary to know hydrogen compatibility of pipe steel. Physical modeling of steel resistance to hydrogen embrittlement can be carried out using electrochemical and gas charging methods.
Analysis of Causes of Corrosion Damage to Internal Surface of Stainless Steel Heat Exchanger Tubes
Authors: Karzina Julija S. , Shvetsov Oleg V.
Published: March 2023

Heat exchangers are widely used in the industry for processing natural gas. The article discusses the causes of corrosion damage to the internal surface of the stainless steel tubes for the heat exchanger coil. Chemical composition of tubes was obtained for provided damaged batch. Results of metallographic studies, as well as results of scanning electron microscopy of individual parts of pipes are presented. Tests for resistance to intergranular corrosion were carried out. The study revealed that the main reason of corrosion damage on the inner wall of the tubes is the formation of carbides along the boundaries of austenitic grains, and as a result, the chromium-depleted grain was subjected to corrosion.
A microscopic traffic simulation framework to evaluate the performance of bus priority lanes
Authors: Jayasinghe Thenuwan , Munasinghe Anuradha , Sivakumar Thillaiampalam
Published: March 2023

Bus priority measures are widely considered effective at reducing traffic congestion and bus travel times. Traditionally, the performance of a bus priority measure is evaluated using traffic survey-based methods. However, traffic simulations can also be used as a decision support tool for transport planners to test different bus priority measures in a simulation environment and evaluate the measure’s performance before physical implementation. This research presents the development of a microscopic traffic simulation framework to simulate traffic flows when a bus priority lane (BPL) is in operation and compares its performance against the case where no BPL is in operation. A test-bed along the Galle Road corridor (in Colombo, Sri Lanka) from Cross Junction to Ratmalana was chosen to test the developed simulation framework. The performance of the BPL was evaluated by considering the changes in the vehicle speeds before and after implementing the BPL. Different demand configurations were simulated by varying the general traffic flow and bus flow to understand the BPL's feasible demand configuration(s). The simulation results showed that the BPL was feasible with a relatively high bus flow (240 buses per hour) and a relatively moderate general traffic flow (2,000 / 2,500 vehicles per hour).
52º Congresso Nazionale della Società Italiana di Chirurgia Pediatrica | Ancona, 20-22 ottobre 2022
Authors: Editors The
Published: March 2023

52º Congresso Nazionale della Società Italiana di Chirurgia Pediatrica | Ancona, 20-22 ottobre 2022
Opening the Precision Diabetes Care through Digital Healthcare
Authors: Lee Joonyub , Yu Jin , Yoon Kun-Ho
Published: March 2023

The national healthcare systems of every country in the world cannot sustain the rise in healthcare expenditure caused by chronic diseases and their complications. To sustain the national healthcare system, a novel system should be developed to improve the quality of care and minimize healthcare costs. For 20 years, our team developed patient-communicating digital healthcare platforms and proved their efficacy. National scale randomized control trials are underway to systematically measure the efficacy and economic benefits of this digital health care system. Precision medicine aims to maximize effectiveness of disease management by considering individual variability. Digital health technologies enable precision medicine at a reasonable cost that was not available before. The government launched the “National Integrated Bio-big Data Project” which will collect diverse health data from the participants. Individuals will share their health information to physicians or researchers at their will by gateway named “My-Healthway.’ Taken together, now we stand in front of the evolution of medical care, so-called “Precision medicine.” led by various kinds of technologies and a huge amount of health information exchange. We should lead these new trends as pioneers, not as followers, to establish and implement the best care for our patients that can help them to withstand their devastating diseases.
Ozonated autohemotherapy combined with pulsed radiofrequency in the treatment of thoracic postherpetic neuralgia in older adults: a retrospective study
Authors: Li Xi-Rong , Cui Jing-Jing , Ge Wei-Peng , Wang Zhong-Wei , Chu Yun-Chao , Zheng Guan-Rong
Published: March 2023

Postherpetic neuralgia (PHN) seriously affects the quality of life of the elderly population. This study aimed to evaluate the efficacy of ozonated autohemotherapy (O3-AHT) combined with pulsed radiofrequency (PRF) in the treatment of thoracic PHN in older adults. The medical records of patients with thoracic PHN aged 65 years and older from June 2018 until March 2021 in Shengli Oilfield Central Hospital were reviewed. They were assigned into two groups: PRF alone (PRF group, n = 107) and PRF combined with O3-AHT (PRF + O3-AHT group, n = 109). Visual Analogue Scale for pain was evaluated at pre-treatment, 1 day, 1, 3 and 6 months after treatment. Quality of life and sleep quality were assessed using Short-Form 36 Health Survey and Athens Insomnia Scale at pre-treatment and 6 months post-treatment, respectively. The median age of patients in the PRF and PRF + O3-AHT groups were 69 (67–73) years and 68 (67–72) years, respectively. The former included 62 females and the latter included 51 females. Compared with pre-treatment, the Visual Analogue Scale scores of two groups declined at post-treatment. Patients in the PRF + O3-AHT group showed obviously lower Visual Analogue Scale scores compared with those in the PRF group at 1, 3, and 6 months after treatment and they had earlier withdrawal time for drugs. However, dizziness, tachycardia, sleepiness, and nausea were presented after combination therapy. These symptoms resolved spontaneously after a period of rest. Additionally, O3-AHT combined with PRF was associated with a significant decrease in the Athens Insomnia Scale score and with a significant improvement in every dimension of the Short-Form 36 Health Survey. To conclude, O3-AHT combined with PRF is an effective way to relieve thoracic PHN in older patients.
Awareness and Knowledge of Diabetes among Adult Population of Shimla Using CURES-9 Questionnaire as a Part of MDRF IDRS Risk Score Validation
Authors: Kaushal Kanica , Parashar Anupam , Dhadwal Dineshwar Singh , Jaswal V. M. S. , Jaret Pramod , Mazta Salig Ram
Published: March 2023

Background:

A sharp increase in the prevalence of type 2 diabetes mellitus has been observed in the South East Asian region, both in urban and rural areas, associated with the lifestyle transitions toward urbanization. A substantial proportion of people with type 2 diabetes remain undiagnosed till they have evidence of the micro-vascular complications. Therefore, the need for early diagnosis and treatment is urgent. This awareness study (based on CURES-9 questionnaire) is a part of MDRF IDRS validation study done in the state of Himachal Pradesh in India which has been published elsewhere.

Materials and Methods:

A cross sectional household survey was conducted for a period of 1 year from August 2015 through July 2016 using a two-stage sampling design. Basic data regarding awareness, knowledge, beliefs, treatment practices among a total of 465 consenting participants was collected and composite score was derived as CURES-9 study.

Results:

Mean percent KAP composite score of the screened population (n = 417) regarding knowledge of diabetes was 76.04%. Approximately 5% of participants yielded a score of 0% correct, indicating no knowledge whatsoever of diabetes. Additionally, only 27% of participants obtained the maximum score of 100%. The KAP composite scores were significantly higher in both educated and employed group.

Conclusion:

The goal was to raise awareness of the risk factors for type 2 diabetes and assist adults in determining their own level of risk. Prior to COVID-19 pandemic, people saw little need to cover remote health management. COVID-19 might have opened the door for a “New Deal” as it comes to remote diabetes management and that can be uncovered by furthering this study in today’s environment.
Electrophysiological Investigations in DiabetıC Patients
Authors: Incesu Tulay Kurt , Taşkın Aysel Çoban , Seçil Yaprak , Arici Sehnaz , Gürgör Nevin , Tokuçoglu Figen , Akhan Galip , Ertekin Cumhur
Published: March 2023

Introduction:

The aim of the study is to search proximal nerve involvement by using proximal root stimulation and possible autonomic neuropathy in type 2 diabetic patients with and without distal symmetric sensorimotor polyneuropathy (DSPN).

Patients and Methods:

Forty patients with type 2 diabetes and ten volunteers who had no history of diabetes and neuropathy were included. Diabetic patients were equally distributed into two groups according to nerve conduction studies (NCSs): First group comprised of with electrophysiologically confirmed DSPN and second group with normal NCSs. Electrophysiological tests included motor and sensory nerve conduction, needle electromyography, F-response, H-reflex, R-R interval, and sympathetic skin responses (SSRs) studies as well as lumbar root stimulation and cauda equina motor conduction time (CEMCT) calculation.

Results:

The patients with DSPN had significantly longer F-response latencies and had no H-reflex while H-reflex was observed in 35% of the patients in second group. In the first group, SSRs could not be obtained from both upper and lower limbs in 45% of the patients; however, in the second group, they were absent only in 10% of patients in lower limbs. R-R interval variability was significantly lower in both diabetic groups than volunteers. When compared to the volunteers, cauda equine motor conduction time was significantly prolonged in all diabetic patients, but there was no significant difference between the patient groups.

Conclusions:

CEMCT prolongation, absence of H-reflex, and decreased R-R interval abnormalities indicating dysautonomia were the most important findings of our study. These results show that early electrophysiological examinations using these methods are important in diabetic patients without polyneuropathy.