Thematische Bibliographien / Interactions lentes

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Auswahl der wissenschaftlichen Literatur zum Thema „Interactions lentes“

Autor: Grafiati

Veröffentlicht am 11. Januar 2025

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Zeitschriftenartikel zum Thema "Interactions lentes"

SILVA, JEOVAN ASSIS DA, und TOMAS AQUINO GUIMARÃES. „Regulatory agencies and courts: interactions between administration and justice“. Cadernos EBAPE.BR 18, Nr. 3 (20.09.2020): 512–24. http://dx.doi.org/10.1590/1679-395120190015x.

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Resumo As inter-relações entre agências reguladoras e tribunais judiciais constituem tema de alto impacto nas relações sociais em geral, porém, ainda carecem de pesquisas empíricas e maior sistematização do conhecimento, sob uma perspectiva multidisciplinar. Nessa linha, este ensaio tem por objetivo realizar uma discussão articulada das principais tensões entre o Poder Executivo e o Poder Judiciário em decisões inerentes à atividade regulatória, apoiada nas principais lentes teóricas e no estado da arte aplicáveis ao fenômeno. O relacionamento entre agências e tribunais é marcado por dicotomias e a abordagem institucional do espaço regulatório e as reflexões trazidas pela Análise Econômica do Direito, dentre outras lentes de análise, revelam-se bastante úteis para a interpretação das tensões institucionais existentes em tal relacionamento. A literatura sobre revisão judicial de decisões de agências reguladoras aponta pesquisas sobre fatores que explicam a deferência judicial ou motivam um papel mais proeminente dos tribunais, passando também por temas relativos a: a) envolvimento de tribunais com questões técnicas e científicas; b) eficiência e desempenho; c) comportamentos calculados; d) custos de transação; e e) análises de custo-benefício. Propõe-se uma agenda de pesquisa que explore percepções de atores-chave desse ambiente acerca de litígios regulatórios, bem como estudos sobre fatores e condicionantes que explicam a deferência judicial em diferentes contextos.

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Suliński, Tomasz, Natalia Nowak, Jędrzej Szymański und Jacek Pniewski. „Analysis of Deposition and Diffusion of Cholesterol in Silicone Hydrogel Contact Lenses Using Confocal Microscopy“. Vision 8, Nr. 3 (20.09.2024): 55. http://dx.doi.org/10.3390/vision8030055.

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In this study, we investigated lipid deposition and diffusion in silicone hydrogel (Si-Hy) contact lenses using confocal microscopy. Different Si-Hy lenses were analyzed to understand the interaction patterns of cholesterol with various lens materials. The results highlight significant differences in the deposition and diffusion of lipids through the lenses, revealing that some materials, such as comfilcon A, allow lipids to diffuse more freely compared to others, such as samfilcon A, which provides a greater barrier. The study also observed different morphology and movement of lipid agglomerates across the lenses and above it surfaces. These findings contribute to the understanding of lipid–lens interaction, which is important for the development of lenses with improved comfort and functionality. The research highlights the importance of considering lipid interactions in the design and selection of Si-Hy contact lenses to enhance wearer comfort and lens performance.

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Walther, Joseph B. „Interaction Through Technological Lenses“. Journal of Language and Social Psychology 31, Nr. 4 (21.05.2012): 397–414. http://dx.doi.org/10.1177/0261927x12446610.

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Machín, Francisco José Electronica, und Josep L. Pelegrí. „Interaction of Mediterranean Water lenses with Antarctic Intermediate Water off Northwest Africa“. Scientia Marina 80, S1 (30.09.2016): 205–14. http://dx.doi.org/10.3989/scimar.04289.06a.

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Wang, Qiaosi, Ida Camacho, Shan Jing und Ashok K. Goel. „Understanding the Design Space of AI-Mediated Social Interaction in Online Learning: Challenges and Opportunities“. Proceedings of the ACM on Human-Computer Interaction 6, CSCW1 (30.03.2022): 1–26. http://dx.doi.org/10.1145/3512977.

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Our online interactions are constantly mediated through Artificial Intelligence (AI), especially our social interactions. AI-mediated social interaction is the AI-facilitated process of building and maintaining social connections between individuals through information inferred from people's online posts. With its impending application across a number of contexts, the challenges and opportunities of AI-mediated social interaction remain underexplored. This paper seeks to understand the design space of AI-mediated social interaction in the context of online learning, where students frequently face social isolation. We deployed an AI agent named SAMI in three class discussion forums to help online learners build social connections. Using SAMI as a probe, we conducted semi-structured interviews with 26 students to understand their difficulties in remote social interactions and their experiences with SAMI. Through the lenses of social translucence and social-technical gap, we illustrate online learners' difficulties in remote social interactions and how SAMI resolved some of the difficulties. We also identify potential ethical and social challenges of SAMI such as user agency and privacy. Based on our findings, we outline the design space of AI-mediated social interaction. We discuss the design tension between AI performance and ethical design and pinpoint two design opportunities for AI-mediated social interaction in designing towards human-AI collaborative social matching and artificial serendipity.

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Rowe, Shawn, Luisa Massarani, Waneicy Gonçalves und Rafael Luz. „Emotion in Informal Learning as Mediated Action: Cultural, Interpersonal and Personal Lenses“. International Journal of Studies in Education and Science 4, Nr. 1 (03.09.2022): 73–99. http://dx.doi.org/10.46328/ijses.50.

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Emotion and affect are important but undertheorized and under researched elements of learning in informal contexts such as science centers, museums, zoos, and aquariums. An interactional and discursive approach to emotions as mediated action was used to develop a three-part framework for documenting and exploring the place of emotional expression among family groups (n = 10 groups; 33 individuals) visiting an ocean exhibit in an interactive science museum in Rio de Janeiro, Brazil. Among our results, we observed that the most commonly expressed emotion was surprise, excitement, amusement and curiosity; the most frequently occurring categories of emotional expression among the families in interaction were those associated with being actively engaged in positive emotional interaction. Transcripts of interaction are presented to illustrate the framework and examined in light of emotional expression as a mediator of 1) active, collaborative, meaning making; 2) learner agency and protagonism; and 3) empathy. Results from the entire data set are interpreted using the Core Affect Model of Engagement. We present examples of and discuss how and why a mediated action approach to emotion as a social, distributed, interactional and discursive phenomena may be helpful both for advancing the study of emotion as an aspect of informal learning and exhibit design.

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Mankos, M., und D. Adler. „Electron–electron interactions in cathode objective lenses“. Ultramicroscopy 93, Nr. 3-4 (Dezember 2002): 347–54. http://dx.doi.org/10.1016/s0304-3991(02)00290-5.

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Argüello, Gabriela. „The International Maritime Organization’s Contribution to Regime Interaction: Past, Present, and Future“. Max Planck Yearbook of United Nations Law Online 25, Nr. 1 (23.12.2022): 1–25. http://dx.doi.org/10.1163/18757413_02501003.

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On the occasion of the 25th anniversary of The Max Planck Yearbook of United Nations Law, this article revisits the International Maritime Organization’s (IMO) contribution to regime interaction in the fields of air pollution, climate change, ship waste management and rescue of migrants at sea. Particular attention is given to cooperation arrangements between international organizations and how their day-to-day activities contribute to or hinder legal development among legal regimes. These interactions are studied through the theoretical lenses of ‘relational interactions’ and ‘regime complexes’. The paper focuses on iterative and forward-looking cooperation arrangements and the characteristics of such interactions ranging from collaborative to conflictive. I illustrate how the IMO has made substantial contributions (beyond maritime law) to the law of the sea and international environmental law, but the contribution to refugee law has been more modest. While the IMO will continue to engage in regime interaction, legal scholarship should pay closer attention to institutional congestion in international law. Since the international legal system has no pre-established hierarchy, governance is horizontal and may be prone to conflicts. It is time to devise mechanisms that allow relational interactions while avoiding legal fragmentation and forum shifting risks.

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Kim, KyungTae, und Niklas Elmqvist. „Embodied lenses for collaborative visual queries on tabletop displays“. Information Visualization 11, Nr. 4 (20.04.2012): 319–38. http://dx.doi.org/10.1177/1473871612441874.

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We introduce embodied lenses for visual queries on tabletop surfaces using physical interaction. The lenses are simply thin sheets of paper or transparent foil decorated with fiducial markers, allowing them to be tracked by a diffuse illumination tabletop display. The physical affordance of these embodied lenses allow them to be overlapped, causing composition in the underlying virtual space. We perform a formative evaluation to study users’ conceptual models for overlapping physical lenses. This is followed by a quantitative user study comparing performance for embodied versus purely virtual lenses. Results show that embodied lenses are as efficient as purely virtual lenses, and also support tactile and eyes-free interaction. We then present several examples of the technique, including image layers, map layers, image manipulation, and multidimensional data visualization. The technique is simple, cheap, and can be integrated into many existing tabletop displays.

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Gunasekaran, Sidaard, Madison Peyton und Neal Novotny. „Aerodynamic Interactions of Wind Lenses at Close Proximities“. Energies 15, Nr. 13 (24.06.2022): 4622. http://dx.doi.org/10.3390/en15134622.

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The fundamental aerodynamic interactions between a pair of wind lenses is experimentally investigated. In prior work, wind tunnel testing of lensed turbines in a side-by-side configuration revealed that one lensed turbine outperformed its counterpart in terms of power production. In the current study, particle image velocimetry (PIV) was performed in the wake of three different pairs of wind lens profiles and revealed an inherent bias in the wake properties at close proximities which led to one turbine outperforming the other. The merged wake location is skewed to a single lens in the lens pair depending on the extent of cancellation of inboard vorticity magnitude. At 0.1 to 0.2 x/D,the individual wakes merge as one, at which point the vortex shedding frequency and the modal strength behind the lens pairs is reduced. Coincidentally, it is at this spacing that the net power output of lensed turbines placed in a side-by-side configuration reaches the maximum.

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Dissertationen zum Thema "Interactions lentes"

Seigneur, Josée. „Interactions neurones-glie : l'ACh et les glies lors de la transition du sommeil vers l'éveil in vivo“. Thesis, Université Laval, 2004. http://www.theses.ulaval.ca/2004/22045/22045.pdf.

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Cette étude résume l’historique de la découverte des glies, détaille leur morphologie et leur physiologie. Elle vise principalement à la compréhension des interactions complexes entre les neurones, les glies et l’apport en sang au cortex pendant la transition du sommeil à ondes lentes vers l’éveil in vivo chez des animaux anesthésiés et naturellement endormis. Nous effectuons des enregistrements intracellulaires simultanés de neurones et de glies corticaux, conjointement avec les mesures du débit sanguin cérébral, de la concentration extracellulaire de K+ et les potentiels de champs locaux sous anesthésie pendant l’activation corticale évoquée avec une stimulation électrique des noyaux cholinergiques ou lors de l’éveil naturel de l’animal. Nous suggérons que le résultat du comportement de la glie dépende de l’influence glutamatergique/GABAergique des neurones voisins, sur la modulation des voies de communications intergliales, et/ou sur le trafic ionique au travers des vaisseaux sanguins.
This study summarizes the history of the glial discovery, details their morphology and their physiology and aims at understanding complex interactions between cortical neurons, glia and blood supply during the transition from slow wave sleep to wakefulness in vivo in both anesthetized and naturally sleeping animals. We performed simultaneous intracellular recordings of cortical neurons and glia, together with measurements of cerebral blood flow, extracellular K+ concentrations and local field potentials under anesthesia, during elicited cortical activation with electric stimulation of cholinergic nuclei or under naturally wakefulness of the animal. We suggest that the outcome of the glial behavior depends on the glutamatergic/GABAergic influence of neighboring neurons, on the modulation of the interglial communication pathways, and/or on the ionic traffic across blood vessels.

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Rocher, Joe͏̈lle. „Dynamique d'un nuage d'ions piégés et application à la mesure de cinétique de collisions ion-molécule lentes“. Aix-Marseille 1, 1998. http://www.theses.fr/1998AIX11033.

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Le travail presente porte sur l'application des techniques de confinement en piege quadripolaire a l'etude de reactions ion-molecule, en particulier d'echange de charge entre n#+ et n#2. Cette reaction endothermique (seuil theorique a 1,05 ev) et lente (k#r < 10#-#1#1 cm#3s#-#1) entre dans la modelisation de la haute atmosphere et dans de nombreuses etudes aeronomiques. Elle connait actuellement un regain d'interet, compte tenu des developpements de nouvelles techniques de mesures. Dans ce contexte, un nuage pur d'ions n#+ a ete cree et piege. Son energie cinetique moyenne a ete mesuree par une methode de temps de vol, a travers le diagramme de stabilite des trajectoires, pour des frequences de confinement de 500 khz, 1 mhz et 1,5 mhz. L'etalonnage du profil est obtenu par la simulation tridimensionnelle du parcours complet de 10#6 ions (depuis leur creation jusqu'a leur detection) avec une precision d'environ 0,4 ev. Les evaluations ont revele que le piegeage a q#z eleve (q#z>0,6) dans un puits de potentiel spherique favorise l'obtention d'un nuage chaud et que dans le cas d'un potentiel asymetrique, le min(d#z ; d#r) joue le role de limitant de l'energie cinetique. L'etude des proprietes spectrales du nuage a fait la preuve de l'anharmonicite du potentiel de confinement. Les observations experimentales de defauts de piegeage du n#+, assorties de developpements theoriques (dans le cadre de l'approximation du pseudo-potentiel) ont permis de mettre en evidence des conditions de couplages entre les composantes axiales et radiales (jusqu'alors seulement observes dans notre laboratoire) et entre les composantes du micro- et du macro-mouvement. Les connaissances acquises ont permis la proposition d'un protocole experimental pour l'etude de la collision reactive. Il repose sur la mesure de l'amplitude de la resonance #z d'ions (m/e = 28) sur un spectre en frequence du mouvement, en fonction du temps d'evolution des ions dans le piege. Les premiers resultats de la mesure sont presentes.

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Satsukawa, Takako. „Interactions magma-roche, déformation à haute température et anisotropie sismique dans le manteau de la transition continent-océan et dans la lithosphère océanique“. Thesis, Montpellier 2, 2012. http://www.theses.fr/2012MON20014/document.

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Cette thèse regroupe deux études distinctes, qui documentent le contrôle des microstructures sur les propriétés sismiques des roches. La première partie traite du développement des orientations préférentielles cristallographiques (OPC) dans le manteau supérieur, associé aux interactions liquide/magma-roche, enregistré dans des xénolites de péridotites du bassin d'arrière-arc de la mer du Japon. Les caractéristiques microstucturales et géochimiques des échantillons étudiés montrent que l'ouverture arrière-arc active est associée à une déformation du manteau supérieure similaire à celle observée dans l'ophiolite d'Oman. L'initiation de l'extension d'arrière-arc n'est pas associée à de fortes interactions entre percolation magmatique et déformation, en comparaison avec les zones de rifting continentales, probablement en raison des taille et durée relativement petites de l'épisode d'ouverture. La seconde partie présente une base de données unique d'OPC de plagioclase de roches mafiques plus ou moins déformées. Les OPC sont classées en 3 types principaux; leurs caractéristiques en fonction du régime de déformation (magmatique ou plastique) sont présentées et discutées. Les propriétés sismiques calculées des roches gabbroiques montrent que l'anisotropie tend à croitre avec l'intensité des fabriques, bien qu'elle soit généralement faible, en raison des effets opposés des olivines/clinopyroxènes et du plagioclase
This thesis compiles two distinct studies that both document the control of microstructures on rock seismic properties. The first part deals with the development of crystallographic preferred orientations (CPO) in the uppermost mantle associated with melt/fluid-rock interactions, recorded in peridotites xenoliths from the Japan sea back-arc basin. The microstructural and geochemical characteristics of the studied samples reveal that active spreading is associated to uppermost mantle deformation similar to that observed in the Oman ophiolite. At the onset of back-arc spreading, there are no strong interactions between melt percolation and deformation in comparison to continental rift zones, probably due to the relatively small size and short duration of the spreading event. The second part presents a unique database of plagioclase CPO from variously deformed mafic rocks. CPO are grouped in three main types; their characteristics as a function of deformation regime (magmatic or crystal-plastic) are outlined and discussed. Calculated seismic properties of gabbroic rocks show that anisotropy tends to increase as a function of fabric strength, although it is generally weak, due to the competing effect of olivine/clinopyroxene and plagioclase

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Kelada, Fadi Sameh Aziz. „Étude des dynamiques et de la stabilité des réseaux électriques faible inertie avec une forte pénétration de ressources renouvelables“. Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALT065.

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Les systèmes électriques évoluent de manière significative en raison de facteurs économiques, géopolitiques et environnementaux, notamment l'intégration croissante de sources d'énergie renouvelable (RES) interfacées par des convertisseurs électroniques de puissance, connus sous le nom de ressources basées sur des onduleurs (IBR). Ce passage de systèmes dominés par des machines synchrones (SM) à des systèmes dominés par des IBR introduit des défis tels que la réduction de l'inertie, l'intermittence et les problèmes de stabilité. Les techniques traditionnelles d'analyse et de modélisation de la stabilité, qui supposent des dynamiques plus lentes inhérentes aux SM, sont inadéquates pour les dynamiques rapides des IBR. La dominance émergente des IBR nécessite le développement de modèles détaillés de transitoires électromagnétiques (EMT), qui sont intensifs en calcul mais essentiels pour capturer les dynamiques rapides des systèmes électriques modernes. Les cadres de classification de la stabilité existants, historiquement basés sur des systèmes dominés par les SM, sont en cours de révision pour incorporer les influences des IBR, introduisant de nouvelles catégories de stabilité comme la stabilité pilotée par convertisseur (CDS). Ce travail explore de nouvelles perspectives sur les interactions entre les SM, les dynamiques des unités IBR et les dynamiques des réseaux, qui ont été négligées dans la littérature. Il fournit un cadre complet qui est open-source et adaptable pour des topologies de systèmes électriques génériques, permettant des résultats et des analyses évolutifs. De plus, le cadre proposé est utilisé pour déterminer les allocations optimales d'inertie virtuelle et d'amortissement dans les systèmes électriques à faible inertie afin d'améliorer les métriques de stabilité de la fréquence
Power systems are evolving significantly due to economic, geopolitical, and environmental factors, notably the increasing integration of Renewable Energy Sources (RES) interfaced through power electronic converters, known as Inverter-Based Resources (IBR). This shift from synchronous machine (SM)-dominated systems to IBR-dominated systems introduces challenges such as reduced inertia, intermittency, and stability issues. Traditional stability analysis and modeling techniques, which assume slower dynamics inherent in SMs, are inadequate for the fast dynamics of IBRs. The emerging dominance of IBRs necessitates the development of detailed Electromagnetic Transient (EMT) models, which are computationally intensive but essential for capturing the fast dynamics of modern power systems. Existing stability classification frameworks, historically based on SM-dominated systems, are being revised to incorporate IBR influences, introducing new stability categories like Converter-Driven Stability (CDS). This work investigates novel insights into the interactions between SMs, IBR unit dynamics, and network dynamics that have been overlooked in the literature. It provides a comprehensive framework that is open-source and adaptable for generic power system topologies, allowing for scalable results and analyses. Furthermore, the proposed framework is utilized to determine optimal allocations of virtual inertia and damping in low inertia power systems to enhance frequency stability metrics

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Sariri-Khayatzadeh, Reyhaneh. „Tear protein interaction with hydrogel contact lenses“. Thesis, Aston University, 1995. http://publications.aston.ac.uk/9747/.

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The design and synthesis of biomaterials covers a growing number of biomedical applications. The use of biomaterials in biological environment is associated with a number of problems, the most important of which is biocompatabUity. If the implanted biomaterial is not compatible with the environment, it will be rejected by the biological site. This may be manifested in many ways depending on the environment in which it is used. Adsorption of proteins takes place almost instantaneously when a biomaterial comes into contact with most biological fluids. The eye is a unique body site for the study of protein interactions with biomaterials, because of its ease of access and deceptive complexity of the tears. The use of contact lenses for either vision correction and cosmetic reasons or as a route for the controlled drug delivery, has significantly increased in recent years. It is relatively easy to introduce a contact lens Into the tear fluid and remove after a few minutes without surgery or trauma to the patient. A range of analytical techniques were used and developed to measure the proteins absorbed to some existing commercial contact lens materials and also to novel hydrogels synthesised within the research group. Analysis of the identity and quantity of proteins absorbed to biomaterials revealed the importance of many factors on the absorption process. The effect of biomaterial structure, protein nature in terms of size. shape and charge and pH of the environment on the absorption process were examined in order to determine the relative up-take of tear proteins. This study showed that both lysozyme and lactoferrin penetrate the lens matrix of ionic materials. Measurement of the mobility and activity of the protein deposited into the surface and within the matrix of ionic lens materials demonstrated that the mobility is pH dependent and, within the experimental errors, the biological activity of lysozyme remained unchanged after adsorption and desorption. The study on the effect of different monomers copolymerised with hydroxyethyl methacrylate (HEMA) on the protein up-take showed that monomers producing a positive charge on the copolymer can reduce the spoilation with lysozyme. The studies were extended to real cases in order to compare the patient dependent factors. The in-vivo studies showed that the spoilation is patient dependent as well as other factors. Studies on the extrinsic factors such as dye used in colour lenses showed that the addition of colourant affects protein absorption and, in one case, its effect is beneficial to the wearer as it reduces the quantity of the protein absorbed.

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Kister, Ulrike. „Interactive Visualization Lenses:“. Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-236782.

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Information visualization is an important research field concerned with making sense and inferring knowledge from data collections. Graph visualizations are specific techniques for data representation relevant in diverse application domains among them biology, software-engineering, and business finance. These data visualizations benefit from the display space provided by novel interactive large display environments. However, these environments also cause new challenges and result in new requirements regarding the need for interaction beyond the desktop and according redesign of analysis tools. This thesis focuses on interactive magic lenses, specialized locally applied tools that temporarily manipulate the visualization. These may include magnification of focus regions but also more graph-specific functions such as pulling in neighboring nodes or locally reducing edge clutter. Up to now, these lenses have mostly been used as single-user, single-purpose tools operated by mouse and keyboard. This dissertation presents the extension of magic lenses both in terms of function as well as interaction for large vertical displays. In particular, this thesis contributes several natural interaction designs with magic lenses for the exploration of graph data in node-link visualizations using diverse interaction modalities. This development incorporates flexible switches between lens functions, adjustment of individual lens properties and function parameters, as well as the combination of lenses. It proposes interaction techniques for fluent multi-touch manipulation of lenses, controlling lenses using mobile devices in front of large displays, and a novel concept of body-controlled magic lenses. Functional extensions in addition to these interaction techniques convert the lenses to user-configurable, personal territories with use of alternative interaction styles. To create the foundation for this extension, the dissertation incorporates a comprehensive design space of magic lenses, their function, parameters, and interactions. Additionally, it provides a discussion on increased embodiment in tool and controller design, contributing insights into user position and movement in front of large vertical displays as a result of empirical investigations and evaluations
Informationsvisualisierung ist ein wichtiges Forschungsfeld, das das Analysieren von Daten unterstützt. Graph-Visualisierungen sind dabei eine spezielle Variante der Datenrepräsentation, deren Nutzen in vielerlei Anwendungsfällen zum Einsatz kommt, u.a. in der Biologie, Softwareentwicklung und Finanzwirtschaft. Diese Datendarstellungen profitieren besonders von großen Displays in neuen Displayumgebungen. Jedoch bringen diese Umgebungen auch neue Herausforderungen mit sich und stellen Anforderungen an Nutzerschnittstellen jenseits der traditionellen Ansätze, die dadurch auch Anpassungen von Analysewerkzeugen erfordern. Diese Dissertation befasst sich mit interaktiven „Magischen Linsen“, spezielle lokal-angewandte Werkzeuge, die temporär die Visualisierung zur Analyse manipulieren. Dabei existieren zum Beispiel Vergrößerungslinsen, aber auch Graph-spezifische Manipulationen, wie das Anziehen von Nachbarknoten oder das Reduzieren von Kantenüberlappungen im lokalen Bereich. Bisher wurden diese Linsen vor allem als Werkzeug für einzelne Nutzer mit sehr spezialisiertem Effekt eingesetzt und per Maus und Tastatur bedient. Die vorliegende Doktorarbeit präsentiert die Erweiterung dieser magischen Linsen, sowohl in Bezug auf die Funktionalität als auch für die Interaktion an großen, vertikalen Displays. Insbesondere trägt diese Dissertation dazu bei, die Exploration von Graphen mit magischen Linsen durch natürliche Interaktion mit unterschiedlichen Modalitäten zu unterstützen. Dabei werden flexible Änderungen der Linsenfunktion, Anpassungen von individuellen Linseneigenschaften und Funktionsparametern, sowie die Kombination unterschiedlicher Linsen ermöglicht. Es werden Interaktionstechniken für die natürliche Manipulation der Linsen durch Multitouch-Interaktion, sowie das Kontrollieren von Linsen durch Mobilgeräte vor einer Displaywand vorgestellt. Außerdem wurde ein neuartiges Konzept körpergesteuerter magischer Linsen entwickelt. Funktionale Erweiterungen in Kombination mit diesen Interaktionskonzepten machen die Linse zu einem vom Nutzer einstellbaren, persönlichen Arbeitsbereich, der zudem alternative Interaktionsstile erlaubt. Als Grundlage für diese Erweiterungen stellt die Dissertation eine umfangreiche analytische Kategorisierung bisheriger Forschungsarbeiten zu magischen Linsen vor, in der Funktionen, Parameter und Interaktion mit Linsen eingeordnet werden. Zusätzlich macht die Arbeit Vor- und Nachteile körpernaher Interaktion für Werkzeuge bzw. ihre Steuerung zum Thema und diskutiert dabei Nutzerposition und -bewegung an großen Displaywänden belegt durch empirische Nutzerstudien

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Essabaa, Said. „Interaction d'ions lents extrêmement chargés avec les gaz et les solides“. Paris 11, 1988. http://www.theses.fr/1988PA112205.

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Étude expérimentale de la capture d'un ou plusieurs électrons par ar(17+) ou ar(18+) à partir de cibles gazeuses, par spectrométrie de rayons x : elle conduit à la formation d'états de Rydberg (n = 9,10) préférentiellement dans des états a moments cinétiques les plus élevés (l = 6 à 9); la capture double dominante donne des états doublement excités de grand moment cinétique, stables vis-à-vis de l'auto ionisation. Etude comparative avec des cibles solides pour des énergies d'impact de quelques kev a 20 kev : il y a capture d'un nombre considérable d'électrons au voisinage de la surface et les ions produits par rayonnement avant d'entrer en collision avec la surface

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Essabaa, Said. „Interaction d'ions lents extrêmement chargés avec les gaz et les solides“. Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37613533n.

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Saleh, G. „CHEMICAL PARADIGMS SEEN THROUGH CHARGE DENSITY DESCRIPTOR LENSES“. Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/229251.

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The main focus of this thesis is the exploration of new applications of electron-density-based descriptors for the investigation of several chemical paradigms. The property of electron density of being a measurable quantity will be fully exploited by comparing experimentally and theoretically derived results throughout the thesis. In addition, a chapter is devoted to the application of electron-density-based descriptors to the study of chemical bonding in coordination polymers, therefore demonstrating the impact that this kind of research may have on ‘real-life’ chemistry.

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Lawicki, Arkadiusz. „Interaction de molécules et d'agrégats d'hydrocarbures aromatiques polycycliques avec des ions multichargés lents“. Caen, 2010. http://www.theses.fr/2010CAEN2029.

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La thèse est consacrée à l’étude de l’interaction entre des ions multichargés lents (énergie cinétique de quelques dizaines de keV) et des molécules d’intérêt astrophysique, notamment des hydrocarbures aromatiques polycycliques (HAP), soit sous forme moléculaire, soit sous forme d’agrégats. Les études ont eu pour but d’analyser les processus fondamentaux qui interviennent lors de collisions entre des molécules et des agrégats d’hydrocarbures aromatiques polycycliques et des ions multichargés. Au cours de cette interaction, l'énergie potentielle apportée par l'ion incident provoque un échange d'électrons entre la cible et le projectile. Par conséquence, les molécules ou les agrégats sont simplement ou multiplement chargés. Nous nous sommes intéressés à la stabilité de ces systèmes de taille finie par rapport à un excès de charge et à l’énergie interne. L’importance des différentes voies de fragmentation qui ont été étudiées pour des molécules isolées ainsi que pour des agrégats, dépend de la taille, de la structure, de la charge et de la température du système. Les études présentées dans cette thèse, constituent une première, et apportent un éclairage original sur la stabilité des agrégats de HAP cationiques, simplement ou multiplement chargés
The work presented in this thesis concerns the study of the interaction of low energy multiply charged ions (few tens of keV) with molecules of astrophysical relevance, either in molecular or in cluster form. It is the main aim to study the fundamental processes which occur when molecules and clusters of the polycyclic aromatic hydrocarbons (PAHs) are colliding with multi-charged ions (MCIs). During this interaction the potential energy transported by the ions provokes a charge transfer between the target and the projectile. Consequently, after the collision the molecules or the clusters are singly or multiply charged. We are interested in the stability of these size-finite systems in relation with the excess charge and the internal energy of the system. The different fragmentation channels which have been studied for molecules and clusters depend on their sizes, their structures, their charge states and their internal energies. The studies presented in this thesis, which are the first this kind, give new insight in the stability of the simply and multiply charged cationic clusters of PAH molecules

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Bücher zum Thema "Interactions lentes"

Sariri-Khayatzadeh, Reyhaneh. Tear protein interaction with hydrogel contact lenses. Birmingham: Aston University. Department of Chemical Engineering and Applied Chemistry, 1995.

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E, Dixon John. Reading a relational situation: The contending lenses. Hauppauge, NY: Nova Science Publishers, 2009.

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Dervishi, Zyhdi. Lente të ndërveprimit simbolik: Analisë sociologjike e rolit të simboleve kulturore, të komunikimit joverbal. Tiranë: Emal, 2008.

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Everett, Samuel Sami, und Rebekah Vince, Hrsg. Jewish-Muslim Interactions. Liverpool University Press, 2020. http://dx.doi.org/10.3828/liverpool/9781789621334.001.0001.

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By exploring dynamic Jewish–Muslim interactions across North Africa and France through performance culture in the 20th and 21st centuries, this book offers an alternative chronology and lens to a growing trend in media and scholarship that views these interactions primarily through conflict. The book interrogates interaction that crosses the genres of theatre, music, film, art, and stand-up, emphasising creative influence and artistic cooperation between performers from the Maghrib, with a focus on Algeria, Tunisia, Morocco, and diaspora communities, notably in France. The plays, songs, films, images, and comedy sketches analysed are multilingual, mixing not only with the former colonial language French, but also the rich diversity of indigenous Amazigh and Arabic languages. The first section examines accents, affiliations, and exchange, with an emphasis on aesthetics, familiarity, changing social roles, and cultural entrepreneurship. The second section shifts to consider departure and lingering presence through spectres and taboos, in its exploration of absence, influence, and elision. The volume concludes with an autobiographical afterword, which reflects on memories and legacies of Jewish–Muslim interactions across the Mediterranean.

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Guillery, Ray. Interacting with the world. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198806738.003.0012.

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In this chapter, the extent to which actions and perceptions depend on each other is explored particularly for the visual system. Viewing the world through a mirror or a lens that displaces or inverts images provides examples of our ability to learn new sensorimotor consistencies. The use of sensory prostheses that replace one sensory modality with another, for example, visual by tactile stimuli or vestibular by tactile stimuli, provides examples of the capacity of our brains to learn about new sensorimotor relationships, often with surprising rapidity, even in an adult.

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Coles, Kimberly Anne, und Dorothy Kim, Hrsg. A Cultural History of Race in the Renaissance and Early Modern Age. Bloomsbury Publishing Plc, 2021. http://dx.doi.org/10.5040/9781350067462.

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The past is always an interpretive act from the lens of the present. Through the lens of critical race theory, the essays collected here explore new analytical models, theoretical frameworks, and methodological approaches in attempting to reimainge the European Renaissance and early modern periods in terms of global expansion, awareness, and participation. Centering race in these periods requires that we acknolwedge the people against whom social hierarchies and differential treatment were directed. This collection takes Europe as its focus, but White Europeans are not centred in it and the experiences of Black Africans, Asians, Jews, and Muslims are not relegated to the margins of a shared history. Situating Europe within a global context forces the reconsideration of the violence that attends the interaction of peoples both across cultures and enmired within them. The less we are attentive to the cultural interactions, cross-cultural migrations, and global dimensions of the late medieval and early modern periods, the less we are forced to recognize the violence, intolerance, power struggles, and enforced suppressions that attend them.

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Howard, Ella. New York Liberalism and the Fight against Homelessness. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252036866.003.0006.

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This chapter uses the city of New York as a case study of the challenges facing liberals as they struggled to tailor their social policies to a political culture often hostile to public aid to the indigent. It traces the interaction of liberal policy making and the fortunes of those on the margins of society over the second half of the twentieth century. The chapter examines efforts to reform the behavior of the homeless as well as campaigns to renovate the areas in which they lived. New York liberalism shaped the development of urban renewal programs, substance abuse treatment programs, and mental health reform, and studying homelessness through that lens lends insight into an understanding of both liberal compassion and its limits.

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Smith, Wendy K., Marianne W. Lewis, Paula Jarzabkowski und Ann Langley, Hrsg. The Oxford Handbook of Organizational Paradox. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780198754428.001.0001.

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Organizations are rife with paradoxes. Contradictory and interdependent tensions emerge from and within multiple levels, including individual interactions, group dynamics, organizational strategies, and the broader institutional context. Examples abound such as those between stability and change, empowerment and alienation, flexibility and control, diversity and inclusion, exploration and exploitation, social and commercial, competition and collaboration, learning and performing. These examples accentuate the distinctions between concepts, positing their potential opposition; either A or B. Yet the social world is pluralistic, and comprises multiple, interwoven tensions, in which the relationship between A and B persists in a dynamic, ever-changing relationship. In the last thirty years, the depth and breadth of paradox studies in organizational theory has grown exponentially, surfacing new insights and applications while challenging foundational ideas, and raising questions around definitions, overlapping lenses, and varied research and managerial approaches. In this book, renowned organizational scholars draw from diverse lenses, theories, and empirics to depict paradox within organizational studies and provide a range of lenses and tools with which to understand and conduct research into such phenomena. In doing so, we hope these chapters re-energize continued insight on organizational paradox, plurality, tensions, and contractions.

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Eichler-Levine, Jodi. American Judaism and Race. Herausgegeben von Paul Harvey und Kathryn Gin Lum. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780190221171.013.17.

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Thinking about American Jews, race, and religion entails confronting the instability of those terms. This chapter examines the history of Jews and race in the United States through three lenses. First, it looks at the history of how Eastern European Jews have been “raced” in America, and in particular how they became “white.” Second, it considers Jewish interactions with other groups, such as blacks, Native Americans, and Asians, and how Jewish identity has been co-constituted with and against that of other groups. Third, the chapter looks at internal Jewish diversity and the challenges presented by Euro-centric models of Jewishness. The chapter concludes by considering Jews, race, and religion in the age of Ferguson.

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Dueck, Jonathan. Music as Shared Space in Mennonite Development Work in Chad. Herausgegeben von Jonathan Dueck und Suzel Ana Reily. Oxford University Press, 2015. http://dx.doi.org/10.1093/oxfordhb/9780199859993.013.9.

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This chapter highlights negotiations of meanings a Western church worker encountered in a Chadian congregation. For many mainline churches, “missions agencies,” focused on proselytization, are not the sole or even primary mode of outreach; “development agencies,” focused on local economic and social development, complement them. These two types of agencies are tied, through institutional memories in Western and African churches, to the cultural, including musical, practices of missions. The chapter retells the story of a Western development worker who frames her role as “learner” but finds she is understood as missionary “teacher” and is asked to teach and not learn music. Music is a persistent indicator of a history of missionary interactions between Chadian and Western Christians that lends meanings to and constrains present-day transnational interactions between them; it can provide a shared space of practice that is not contiguous with the “meanings” of the music under discussion.

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Buchteile zum Thema "Interactions lentes"

Willcox, Mark, Damon Pearce, Maxine Tan, Gulhan Demirci und Fiona Carney. „Contact Lenses and Tear Film Interactions“. In Advances in Experimental Medicine and Biology, 879–84. Boston, MA: Springer US, 2002. http://dx.doi.org/10.1007/978-1-4615-0717-8_124.

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Pal, Siddhartha, und Kriti Sengupta. „Plant–Rhizomicrobiome Interactive Ecology through the Lenses of Multi-Omics and Relevant Bioinformatics Approaches“. In Plant-Microbe Interactions, 151–61. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003171416-9.

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Bertoluzza, A., P. Monti, R. Simoni und R. Caramazza. „Interface Interactions Between Hydrophilic Contact Lenses and Ocular Tissues“. In Interfaces in Medicine and Mechanics—2, 413–19. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3852-9_44.

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Hemsuwan, W., K. Sakamoto und T. Takahashi. „Longitudinal Vortex Wind Turbine: Effect of the Blade Lengths“. In Fluid-Structure-Sound Interactions and Control, 117–23. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7542-1_18.

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Parrilli, Davide M. „Designing for Human Interactions: An Approach to Service Design“. In Springer Series in Design and Innovation, 17–44. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-76926-9_2.

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AbstractIn this chapter, we explore the interplay between service design and design culture, tracing the roots of service design within the Italian project-centered design tradition. Through an extensive literature review, we move beyond viewing service design merely as the design of services, emphasizing the importance of interactions. We identify three critical interactions in service design: between users and services, users and touchpoints/interfaces, and users and stakeholders. These interactions are examined through the lenses of dematerialization, servitization, and innovation, highlighting their implications for new service value propositions. We stress the significance of user-stakeholder interactions, analyzing their nature and strength within the context of modernity characterized by liquidity, flexibility, and ambiguity. Ethical considerations in designing for liquid communities and sustainability are underscored. Additionally, we address the often-overlooked aspect of service as experience, and conclude with an operative definition of service design, discussing its challenges and relation to design thinking.

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Settles, G. S. „On the Inception Lengths of Swept Shock-Wave/ Turbulent Boundary-Layer Interactions“. In Turbulent Shear-Layer/Shock-Wave Interactions, 203–13. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82770-9_17.

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van Setten, G. B., und N. Zengin. „Growth Factor Interaction with Contact Lenses: Evidence for and Possible Effects of Storage of Basic FGF in Contact Lenses“. In Lacrimal Gland, Tear Film, and Dry Eye Syndromes 2, 537–40. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5359-5_76.

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Richter, Michael, Yuki Kyogoku und Max Kölbl. „Interaction of Information Content and Frequency as Predictors of Verbs’ Lengths“. In Business Information Systems, 271–82. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20485-3_21.

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Tomini, Luca, und Seda Gürkan. „Contesting the EU, Contesting Democracy and Rule of Law in Europe. Conceptual Suggestions for Future Research“. In Palgrave Studies in European Union Politics, 285–300. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-54674-8_12.

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Abstract In ECE countries, democratisation and Europeanisation seemed to exist in a mutually reinforcing relationship and both concepts provided the main analytical lenses for studying these states. In the light of recent illiberal and anti-EU politics, two different concepts have started to receive increasing scholarly attention, namely the concepts of de-Europeanisation and autocratisation. Their exact meaning, however, remains unclear and the causal link between these specific processes and the rule of law has largely remained understudied. Against this backdrop, this chapter first summarises the state-of-the-art research on autocratisation and de-Europeanisation, and then examines the interaction and causal link between these two phenomena in times of declining democracies in Europe and rule of law problems.

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Qu, Ming. „Classroom Interactions in a Chinese Language Class: Focusing on Teacher Talk“. In Leaderful Classroom Pedagogy Through an Interdisciplinary Lens, 119–34. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-6655-4_8.

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Konferenzberichte zum Thema "Interactions lentes"

Miccio, Lisa, Daniele Pirone, Jaromir Behal, Giusy Giugliano, Michela Schiavo, Marika Valentino, Vittorio Bianco, Pasquale Memmolo und Pietro Ferraro. „Living cells behave as micro-lenses: label-free biomarkers for diagnosis and biocompatible optical components“. In Digital Holography and Three-Dimensional Imaging, W1A.4. Washington, D.C.: Optica Publishing Group, 2024. http://dx.doi.org/10.1364/dh.2024.w1a.4.

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Biological cells are presented as bio-lenses and their projections on next future biomedical applications are discussed. Static or in-flow conditions combined with Digital Holography figure out the interaction between bio-lensing properties and cell morphology.

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Rohs, Michael, Antti Oulasvirta und Tiia Suomalainen. „Interaction with magic lenses“. In the 2011 annual conference. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/1978942.1979343.

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Güldenpfennig, Florian, Wolfgang Reitberger und Geraldine Fitzpatrick. „Through two different lenses“. In the 24th Australian Computer-Human Interaction Conference. New York, New York, USA: ACM Press, 2012. http://dx.doi.org/10.1145/2414536.2414568.

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Sleator, Tycho. „Lenses and beam splitters for atoms“. In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.tuaaa1.

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Two recent experiments demonstrating novel atomic lenses—one using a free standing Fresnel zone plate and the other using an optical standing wave with large (40 μm) period—will be discussed. In addition, an experiment demonstrating the splitting of an atomic beam by the optical Stern–Gerlach effect will be described. In this effect, a beam of (two-level) atoms is coherently split into two paths by an exactly resonant optical field gradient, each path containing atoms in one of the two dressed states. The field gradient was derived from a large period standing wave, produced by bouncing a laser beam from a glass surface at grazing incidence. The experiments were carried out with metastable He atoms interacting through the 23S1to 23P2 transition with an optical field at 1.083 μm. The interaction times were significantly less than the 23P natural lifetime of 100 ns, so spontaneous emission played no role during the interaction.

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Geuens, Jonas, Ine D'haeseleer, Luc Geurts und Vero Vanden Abeele. „Lenses of Motivational Design for mHealth“. In CHI PLAY '16: The annual symposium on Computer-Human Interaction in Play. New York, NY, USA: ACM, 2016. http://dx.doi.org/10.1145/2968120.2987722.

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Constantin, Aurora, Abraham Nieva, Alex Hardisty und Malcolm Atkinson. „Using Persona as Lenses for a Reference Model“. In Proceedings of the 32nd International BCS Human Computer Interaction Conference. BCS Learning & Development, 2018. http://dx.doi.org/10.14236/ewic/hci2018.138.

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Schmieder, Paul, Andrew Luxton-Reilly, Beryl Plimmer und John Hosking. „Visual Guides for Comprehending Digital Ink in Distortion Lenses“. In 27th International BCS Human Computer Interaction Conference (HCI 2013). BCS Learning & Development, 2013. http://dx.doi.org/10.14236/ewic/hci2013.19.

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Peyton, Madison N., und Sidaard Gunasekaran. „Investigation into Wake Interactions of Wind Lenses at Close Proximities“. In AIAA SCITECH 2022 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2022. http://dx.doi.org/10.2514/6.2022-1789.

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Dahl, Tobias, Joao L. Ealo, Konstantinos Papakonstantinou und Jhon F. Pazos. „Design of acoustic lenses for ultrasonic human-computer interaction“. In 2011 IEEE International Ultrasonics Symposium (IUS). IEEE, 2011. http://dx.doi.org/10.1109/ultsym.2011.0017.

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Zhang, Xiao Xiao, Arthur Bradley und Larry Thibos. „Interaction between longitudinal and lateral chromatic aberrations“. In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.mr40.

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Human eyes exhibit both longitudinal and lateral chromatic aberration. Achromatizing lenses have been designed to correct longitudinal chromatic aberration. However, these lenses are not designed to correct for the lateral chromatic aberration of the eye. Based on optical models of human eyes and two different achromatizing lenses,1,2 we have evaluated the relative effects on retinal image quality of longitudinal and lateral chromatic aberrations separately and in combination. The eye’s 2 diopters of longitudinal chromatic aberration may seem large, but with a 5-mm pupil its effect in the retinal image quality for a white p4 phosphor is comparable with that for a monochromatic source with only 0.1-0.2 diopters of blur. Although correction of longitudinal chromatic aberration improves paraxial image quality, it can degrade off-axis image quality. This is because longitudinal chromatic aberration can protect the eye from the contrast degradation effect of lateral chromatic aberration. Also, special care is required when using achromatizing lenses to prevent the introduction of more lateral chromatic aberration in the retinal image than is normally present in the unaided eye.

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Berichte der Organisationen zum Thema "Interactions lentes"

Burge, Richard, Rachel Nadelman, Rosie McGee, Jonathan Fox und Colin Anderson. Seeing the Combined Effects of Aid Programmes. Institute of Development Studies, Mai 2022. http://dx.doi.org/10.19088/ids.2022.031.

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Multiple aid agencies often try to support change in the same places, at the same time, and with similar actors. Surprisingly, their interactions and combined effects are rarely explored. This Policy Briefing describes findings from research conducted on recent aid programmes that overlapped in Mozambique, Nigeria, and Pakistan, and from a webinar with UK Foreign, Commonwealth & Development Office (FCDO) advisors and practitioners. The research found three distinct categories of ‘interaction effects’: synergy, parallel play, and disconnect. We explore how using an ‘interaction effects’ lens in practice could inform aid agency strategies and programming.

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Parkins und Leis. L51654 Spatial Densities of Stress-Corrosion Cracks in Line-Pipe Steels. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), April 1992. http://dx.doi.org/10.55274/r0010367.

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There was a need to define the spatial density of stress-corrosion crack arrays that develop in operating gas-transmission pipelines and in laboratory test specimens of line-pipe steel, to improve understanding of the factors that control the density and provide data to test models of pipeline cracking. Within the broad definition of crack density are included the locations, numbers, lengths, depths, and degree of linkage of cracks. An analysis has been conducted of location, numbers, lengths, depths, and degree of linkage of stress-corrosion crack colonies in samples from the field and from laboratory tests. This has provided data to test any model of the cracking of pipelines. Thus, it is shown that crack densities are of the order of 5 cracks/mm of distance normal to the crack length direction and that the depths and lengths of cracks are distributed according to log normal and Weibull functions. During the growth stage of cracks in a colony, their spatial distribution is not random, because of the interaction of their associated stress fields. That interaction also results in the coalescence of cracks, an extremely important part of the overall growth process, and that interaction is defined quantitatively to provide further information to which modeling must aspire.

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Dzebo, Adis, und Zoha Shawoo. Sustainable Development Goal interactions through a climate lens: a global analysis. Stockholm Environment Institute, Februar 2023. http://dx.doi.org/10.51414/sei2023.010.

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Interactions between key Sustainable Development Goal (SDG) targets are synergetic at the global level when pursuing efforts to limit the temperature increase to 1.5°C, according to the authors' analysis. Their findings indicate two objectives are most beneficial for making progress on all other targets: making progress on mobilizing climate finance and Official Development Assistance (ODA) and mainstreaming climate change into national policy.

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Forest, E., und M. Furman. Algebraic theory of beam-beam interaction in the thin lens model. Office of Scientific and Technical Information (OSTI), August 1985. http://dx.doi.org/10.2172/7019665.

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Denys, Waele und Lefevre. L52239 Input to Code Revision for Interaction of Girth Weld Defects under Plastic Collapse Conditions. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), März 2005. http://dx.doi.org/10.55274/r0011348.

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A pipeline girth weld may contain one single or multiple defects. If discrete multiple notches occur, current codes define by applying proximity rules the defect dimensions to be used in an ECA. The defect interaction rules contained in pipeline specific standards are based on linear elastic fracture mechanics with conservative approximations. Similar solutions for failure by plastic collapse are non-existent. In this study, using experimental data of wide plate tests, interaction criteria for ductile girth welds containing multiple coplanar surface breaking defects are proposed. Based on a simple plastic collapse assessment, defect length limits ensuring the onset of remote yielding in the pipe bodies are calculated. A two-tier assessment procedure, based on a comparison of the sum of the individual defect lengths with these characteristic limits, is proposed. If the total defect length is smaller than the characteristic defect length limit interaction will not occur. The defect length limit ensuring remote yielding in the case of multiple defects is dependent on the spacing between defects. The defect length limits also incorporate the effect of yield-to-tensile ratio. The performance behaviour of wide plates with coplanar surface-breaking defects is compared with existing and proposed interaction criteria. The assessment shows that the proposed defect interaction procedure is less conservative than the rules currently embodied in pipeline specific standards.

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Monckton-Smith, Jane, Hannana Siddiqui, Sue Haile und Alexandra Sandham. Building a temporal sequence for developing prevention strategies, risk assessment, and perpetrator interventions in domestic abuse related suicide, honour killing, and intimate partner homicide. University of Gloucestershire, 2022. http://dx.doi.org/10.46289/rt5194yt.

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This study aims to develop understanding of the interactions between perpetrators of coercive control and intimate partner stalking, and their victims, and how these interactions may be linked to escalating and de-escalating risk of serious harm or homicide. This is a qualitative study, and we interpret our data using the lens of coercive control as described and understood in UK definitions, and the work of Stark (2009). The overall aim is to use the principles of temporal sequencing to organise the behavioural data into a sequence and organise the sequence into stages that represent potential escalating risk - the further along the sequence, the higher the risk of serious harm, with opportunities at every stage to halt the progression. Three pilot tools were developed for professionals in the areas of Intimate Partner Homicide, Domestic Abuse related Suicide and Honour Killing.

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Carlos, Jean Clarisse, Eylla Laire Gutierrez und Marie Jel Bautista. Promoting Inclusivity in Boracay’s Informal Tourism Sector. Philippine Institute for Development Studies, März 2024. http://dx.doi.org/10.62986/pn2024.06.

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Despite the valuable presence of women in informal economies, there is still limited knowledge of the gender dynamics of the informal sector and its workers. Using a gender lens, this Policy Note investigates women informal workers’ experiences in Boracay’s tourism industry. It finds that competition with other industry players, seasonality of demand for tourism activities, limited tourist interactions due to designated locations by the government, and sexual harassment and prejudice often confront women’s economic operations in the island. To transition into the formal economy, the need to strengthen gendered data on informal tourism workers, develop training and capacity-building programs, and conduct gender sensitivity workshops for policymakers, policy implementers, and informal workers alike are emphasized.

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Peri, Alessandro, Omar Rachedi und Iacopo Varotto. The public investment multiplier in a production network. Madrid: Banco de España, März 2023. http://dx.doi.org/10.53479/29825.

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Aggregate and sectoral effects of public investment crucially depend on the interaction between the output elasticity to public capital and input-output linkages. We identify this dependence through the lens of a New Keynesian production network. This setting doubles the socially optimal amount of public capital relative to the average one-sector economy, leading to a substantial amplification of the public investment multiplier. We also document novel sectoral implications of public investment. Although public investment is concentrated in far fewer sectors than public consumption, its effects are relatively more evenly distributed across industries. We validate this model implication in the data.

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Horwitz, Benjamin, und Barbara Gillian Turgeon. Secondary Metabolites, Stress, and Signaling: Roles and Regulation of Peptides Produced by Non-ribosomal Peptide Synthetases. United States Department of Agriculture, 2005. http://dx.doi.org/10.32747/2005.7696522.bard.

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Fungal pathogens of plants produce a diverse array of small molecules. Often referred to as secondary metabolites because they were thought to be dispensable for basic functions, they may indeed have central roles as signals for the fungal cell, and in interactions with the host. We have identified more than a dozen genes encoding nonribosomal peptide synthetases (NPS) in Cochliobolusheterostrophus, the agent of southern corn leaf blight. The aim of this project was to identify roles of these genes in stress responses and signaling. The first objective was to test a complete collection of C. heterostrophus nonribosomal peptide synthetase (NRPS)-encoding gene deletion mutant and wildtype (WT) strains for sensitivity to various agents of oxidative (ROS) and nitrosative (RNOS) stress, in vitro. The second objective and next step in this part of the project was to study the relevance of sensitivity to ROS and RNOS in the host pathogen interaction, by measuring the production of ROS and RNOS in planta, when plants are inoculated with wild type and mutant strains. A third objective was to study expression of any genes shown to be involved in sensitivity to ROS or RNOS, in vitro and in planta. Another objective was to determine if any of the genes involved in oxidative or nitrosative stress responses are regulated by components of signal transduction pathways (STP) that we have identified and to determine where mechanisms overlap. Study of the collection of nps mutants identified phenotypes relevant for virulence, development and oxidative stress resistance for two of the genes, NPS2 and NPS6. Mutants in genes related to RNOS stress have no virulence phenotypes, while some of those related to ROS stress have reduced virulence as well as developmental phenotypes, so we focused primarily on ROS stress pathways. Furthermore, the identification of NPS2 and NPS6 as encoding for NRPS responsible for siderophore biosynthesis lent a new focus to the project, regulation by Fe. We have not yet developed good methods to image ROS in planta and work in this direction is continuing. We found that NPS6 expression is repressed by Fe, responding over the physiological Fe concentration range. Studying our collection of mutants, we found that conserved MAPK and G protein signal transduction pathways are dispensable for Fe regulation of NPS6, and initiated work to identify other pathways. The transcription factor SreA is one candidate, and is responsible for part, but not all, of the control of NPS6 expression. The results of this project show that the pathogen contends with oxidative stress through several signaling pathways. Loss of the siderophore produced by Nps6 makes the fungus sensitive to oxidative stress, and decreases virulence, suggesting a central role of the ability to sequester and take up extracellular iron in the host-pathogen interaction. Siderophores, and manipulation of Fe levels, could be targets for new strategies to deal with fungal pathogens of maize and other plants.

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Zhu, Xian-Kui, Tom McGaughy und Brian Leis. PR-185-163609-R01 Model Error Assessment for Pipeline Metal-loss Defects Phase II. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), Juli 2018. http://dx.doi.org/10.55274/r0011506.

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This project included seven, full-scale burst tests conducted on a single grade and size of pipe to evaluate a metal-loss defect assessment model developed under EWI Project No. 54922CSP, "Assessment of Corrosion Model Error for Metal Loss Defects in Pipelines" (PRCI Project EC-2-6). The goal of the modeling and full-scale test efforts was to minimize error and reduce the conservatism of Level-1 corrosion assessment models, with the eventual benefit of potentially reducing unwarranted maintenance efforts without increasing operator risk. Seven tests were performed on a recent vintage of API 5L X70M (L485M) grade pipe having an outside diameter of 24 in. (610 mm) and nominal wall thickness of 0.50 in. (12.7 mm). The seven test pipes contained machined flat-bottomed defects for which the Shape Factor is 1, to focus on the role of the planar defect size and its depth and avoid the complexities of river-bottom shaped defects that are beyond the current scope. Defect lengths ranged between 3 and le; L/(Dt)0.5 and le; 10, at bounding values of width taken at arc angles of 20 and 60 degrees, and depth at d/t of 30% and 80%. The simulated corrosion was centered in pups approximately 12 ft (~3.7 m) in length, which is sufficient to prevent any interaction between the end caps with the defects. The pipes were then end-capped and pressurized with water to failure. The actual failure pressures were evaluated relative to predictions based on the model developed in EC-2-7 coupled with the reference stress developed in PRCI Project EC-2-6.

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