Bibliographies thématiques / Reflection pattern

Littérature scientifique sur le sujet « Reflection pattern »

Auteur : Grafiati
Publié le 10 mars 2023

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Articles de revues sur le sujet "Reflection pattern"

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Halliwell, Lesley. « Pattern : Entry and reflection ». Drawing : Research, Theory, Practice 4, no 1 (1 avril 2019) : 97–102. http://dx.doi.org/10.1386/drtp.4.1.97_7.

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Hussein, Bilal, Aref Mehanna et Yahia Rabih. « Visitor Design Pattern Using Reflection Mechanism ». International Journal of Software Innovation 8, no 1 (janvier 2020) : 92–107. http://dx.doi.org/10.4018/ijsi.2020010106.

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Design patterns of today play a fundamental role in software development and implementation and provide a wide range of design solutions for recurring problems. Most research in this area focus on the creation and update of design patterns in order to fill all the gaps produced by their original structures. The purpose of this article is to present the visitor design pattern, to show its advantages in the software development process, and to provide it in a new version that allows the software to be easily upgraded without making complex modifications. This contribution consists in updating the structure and implementation of the Visitor design pattern using the reflection mechanism.
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Du, Zhou, Ville Viikari, Juha Ala-Laurinaho, Aleksi Tamminen et Antti V. Raisanen. « ANTENNA PATTERN RETRIEVAL FROM REFLECTION COEFFICIENT MEASUREMENTS WITH REFLECTIVE LOADS ». Progress In Electromagnetics Research 148 (2014) : 15–22. http://dx.doi.org/10.2528/pier14050902.

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Vanden Eynden, Frederic, Bachar El-Oumeiri, Thierry Bové, Guido Van Nooten et Patrick Segers. « Proximal pressure reducing effect of wave reflection in the pulmonary circulation disappear in obstructive disease : insight from a rabbit model ». American Journal of Physiology-Heart and Circulatory Physiology 316, no 5 (1 mai 2019) : H992—H1004. http://dx.doi.org/10.1152/ajpheart.00635.2018.

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Locating the site of increased resistance within the vascular tree in pulmonary arterial hypertension could assist in both patient diagnosis and tailoring treatment. Wave intensity analysis (WIA) is a wave analysis method that may be capable of localizing the major site of reflection within a vascular system. We investigated the contribution of WIA to the analysis of the pulmonary circulation in a rabbit model with animals subjected to variable occlusive pulmonary disease. Animals were embolized with different sized microspheres for 6 wk ( n = 10) or underwent pulmonary artery (PA) ligation for 6 wk ( n = 3). These animals were compared with a control group ( n = 6) and acutely embolized animals ( n = 4). WIA was performed and compared with impedance-based methods to analyze wave reflections. The control group showed a relatively high extent of reflected waves (15.7 ± 10.6%); reflections had a net effect of pressure reduction during systole, suggesting an open-end reflector. The pattern of wave reflection was not different in the group with partial PA ligation (12.4 ± 4.1%). In the chronically embolized group, wave reflection was not observed (3.6 ± 1.5%). In the acute embolization group, wave reflection was more prominent (37.3 ± 12.6%), with the appearance of a novel wave increasing pressure, suggesting the appearance of a closed-end reflector. Wave reflections of an open-end type are present in the normal rabbit pulmonary circulation. However, the pattern and nature of reflections vary according to the extent of pulmonary vascular occlusion. NEW & NOTEWORTHY The study proposes an original framework of a complementary analysis of wave reflections in the time domain and in the frequency domain. The methodology was used in the pulmonary circulation with different forms of chronic obstructions. The results suggest that the pulmonary vascular tree generates a reflection pattern that could actually assist the heart during ejection, and chronic obstruction significantly modifies the pattern.
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Wang, Su Ling, Xiao Bang Yang et Ya Ning Liu. « Reflection Property of the Two-Dimensional High Impedance Surface ». Applied Mechanics and Materials 312 (février 2013) : 635–38. http://dx.doi.org/10.4028/www.scientific.net/amm.312.635.

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One of the properties of high impedance surface is that the phase of the reflection wave by the surface is zero.A high impedance surface was used as antenna reflecting surface. A dipole antenna was designed as radiation source. Simulation demonstrated that when the patches number of surface changed the radiation pattern changed and the gain varied also. The distance between antenna and the reflection face varied the radiation pattern also changed. Controlling the number of cells or distance between antennas from reflection plane the gain of antenna can be improved.
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Geerts, Walter M., Henderien W. Steenbeek et Van Geert Paul L. C. « Visualising the Development of a Teacher-In-Training into a Beginning Expert ». International Education Studies 10, no 12 (28 novembre 2017) : 1. http://dx.doi.org/10.5539/ies.v10n12p1.

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Teachers use situated knowledge to deal with the complex and diffuse educational contexts they operate in. To be able to take deliberated action, based on the situated knowledge, reflection is necessary during the teacher training. Video cases with common, real world situations are suitable for reflection because of their holistic and diffuse character. Reflection concerns learning experiences with increasing complexity: single-loop (reflecting on a current action), double-loop (reflecting to gain new insights) and triple-loop (reflecting in order to adjust individual identity) learning. The knowledge gained from loop learning is of a situated nature. The current article operationalizes situated knowledge as educational purposes and design patterns; educational purposes determine which course of action (design pattern), is the best option. Using this distinction, we investigate whether the reflection done by fourth-year teachers in training corresponds to what can be expected of a starting expert, namely, reflection on all three levels. The results indicate that three out of four teachers in training can be characterized as starting experts, based on their responses to a video case. They experience learning on all three loop levels, and these experiences contribute to a variety of educational purposes and design patterns. It is the teacher trainers’ challenge to have their students reflects using video cases, so they can use loop-learning to build their situated knowledge. This knowledge will allow them to adequately respond to the complex and diffuse situations in their educational practice.
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HAGEDOORN, MICHIEL, et REMCO C. VELTKAMP. « A ROBUST AFFINE INVARIANT METRIC ON BOUNDARY PATTERNS ». International Journal of Pattern Recognition and Artificial Intelligence 13, no 08 (décembre 1999) : 1151–63. http://dx.doi.org/10.1142/s0218001499000653.

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Affine invariant pattern metrics are useful for shape recognition. It is important that such a metric is robust for various defects. We formalize these types of robustness using four axioms. Then, we present the reflection metric. This is an affine invariant metric defined for the large family of "boundary patterns". A boundary pattern is a finite union of n-1 dimensional algebraic surface patches in ℝn. Such a pattern may have multiple connected components. We prove that the reflection metric satisfies the four robustness axioms.
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Suzuki, Yoshikazu, Peter E. D. Morgan et Koichi Niihara. « Use of a high X-ray flux instrument for a mineral : X-ray powder diffraction pattern of CaMg(CO3)2 ». Powder Diffraction 13, no 4 (décembre 1998) : 216–21. http://dx.doi.org/10.1017/s0885715600010137.

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The usefulness of a high X-ray flux instrument to improve the accuracy of a powder diffraction pattern is demonstrated. In this case, very weak reflections of a well-characterized and well-known natural mineral can be detected by an often-used X-ray rotating anode diffractometer. High purity natural dolomite, CaMg(CO3)2, for example, was used to produce a slightly more comprehensive indexed X-ray powder diffraction. The powder pattern obtained in this study was compared with that of the reported high quality PDF pattern (36-426, with “*” mark) and that of a calculated pattern derived from single crystal structure data. A very weak 003 reflection at low angle and many weak reflections at high angles, not reported in the PDF pattern, were successfully identified using this high-power X-ray instrument. Unit cell parameters were determined to be a=4.8090±0.0001 Å and c=16.0182±0.0003 Å, which were in good agreement with the extant PDF pattern. Accuracy of the relative intensities between the measured and calculated patterns was apparently somewhat improved in this study, probably also attained through less preferred orientation and the higher purity of the sample used.
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Sugino, Tadanori, Yumi Satozono et Yasuo Yamane. « Gloss Evaluation Method for Metal Surface with Hairline Using Patterned Area Illumination ». Key Engineering Materials 407-408 (février 2009) : 723–26. http://dx.doi.org/10.4028/www.scientific.net/kem.407-408.723.

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Gloss evaluation of a metal surface is important for the quality as the product. In general, gloss of a metal surface is influenced by specular reflection of light on the surface. Therefore to evaluate the specular reflection is almost the same as the evaluation of the gloss. We propose the method to evaluate the specular reflection using patterned area illumination. In the specular reflection, the angle of incidence is equal to the angle of reflection. Consequently when lights (rays) of the area illumination which has a stripe pattern are projected to a glossy metal surface, the stripe pattern occurs on the reflection image by the mirror-like reflection and the sharpness of the stripe pattern of the image has information of the specular reflection on the surface. This character is applied for the metal surface with hairline. The metal surface with hairline has different gloss feeling at different point of view. When the direction of the stripe pattern of the illumination is changed, the sharpness of stripe pattern on the reflection image varies owing to the surface roughness of hairline. Therefore we can evaluate the glossiness for various directions by rotating the stripe pattern. This paper shows the availability of the proposed method through the experiment.
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Suncov, O., et L. Zhikharev. « Investigation of Reflection from Curved Mirrors on a Plane in the Wolfram Mathematica ». Geometry & ; Graphics 9, no 2 (11 novembre 2021) : 29–45. http://dx.doi.org/10.12737/2308-4898-2021-9-2-29-45.

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In this article, the study of the geometry of the flat shapes reflection from curved lines located in the plane of these shapes continues. The paper is devoted to a more detailed description of reflection from the analytical geometry point of view. In addition, the range of proposed tasks has been significantly expanded. An algorithm for reflecting zero-dimensional and one-dimensional objects from plane curves is compiled, and corresponding illustrations are given. For the first time, the authors have obtained equations that allow us to construct reflections of a point from second-order curves: a circle, an ellipse, a parabola and a hyperbola, as well as from high-order curves: Bernoulli lemniscates and cardioids [17], [24], [13], [25], [23], [22]. In addition, equations for the reflection results of one-dimensional objects: a segment and a circle, from the same plane curves were obtained. Similar studies are being conducted in the works [2], [1], [32], [28], [3], [4]. All equations are accompanied by blueprints of special cases of reflections obtained using the Wolfram Mathematica mathematical package [18], [19]. In addition, the application contains the source codes, which gives the reader to configure the reflection parameters themselves on condition having access this program, as well as visually assess the change in the reflection pattern when changing these parameters for various types of flat mirrors. This article demonstrates the possibilities that the obtained equations provide, and the prospects for further work, which consist in obtaining new equations of objects reflected from other flat mirrors.
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Thèses sur le sujet "Reflection pattern"

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Chen, Yu-Ting. « REAL-TIME IMAGE PATTERN SENSOR FOR WELD POOL PENETRATION THROUGH REFLECTION IN GTAW ». UKnowledge, 2018. https://uknowledge.uky.edu/ece_etds/130.

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In gas tungsten arc welding (GTAW), weld pool surface contains crucial information for welding development. In this research, simulate skilled welders to control the welding process and determine the penetration stages based on the weld pool reaction. This study focuses on solving the uncertainty of the liquid weld pool in joint bases. The weld pool penetration process is highly depending on how the weld pool surface shape. To observe the weld pool, reflect the weld pool surface by the laser and image on the shield glass. The experiments show that the penetration can’t be determine by the reflecting grayness due to the variability of base metal. To control the joint bases diversity, fed a tip of the wire after the arc is established. Crate the new pattern of the weld pool penetration. Experiments verified the feasibility of this method.
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Giunta, Rosario Graziano. « Experiments towards a general implementation of some design patterns using aspect orientation ». Doctoral thesis, Università di Catania, 2012. http://hdl.handle.net/10761/1028.

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This dissertation presents a novel technique to implement the behaviour of some widely used design patterns using a combination of aspect oriented programming and computational reflection. Object-oriented languages do not support design patterns as a language construct, instead these have to be specifically implemented by the programmer. As a result, their implementation ends up scattered over different classes and tangled with the domain code of such classes, leading to reusability, modularity and comprehensibility issues. The aspect-oriented implementations presented in this thesis get rid of such issues. A design pattern is implemented as an aspect which, by intercepting an annotation that marks an application class, enforces the role of the pattern on that class, thus making the pattern available for the system. Such implementations enjoy four properties, especially defined from from the analysis of the literature, considered useful and not found together in existing approaches. Efficient variants of the proposed approach are also described and compared with the standard object-oriented approach in terms of running times. The proposed implementations can be used in object-oriented legacy applications, applying specific refactoring steps to convert legacy code to make it use the aspect versions.
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Wu, Hung-Jen. « Direct measurements of ensemble particle and surface interactions on homogeneous and patterned substrates ». Texas A&M University, 2005. http://hdl.handle.net/1969.1/3747.

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In this dissertation, we describe a novel method that we call Diffusing Colloidal Probe Microscopy (DCPM), which integrates Total Internal Reflection Microscopy (TIRM) and Video Microscopy (VM) methods to monitor three dimensional trajectories in colloidal ensembles levitated above macroscopic surfaces. TIRM and VM are well established optical microscopy techniques for measuring normal and lateral colloidal excursions near macroscopic planar surfaces. The interactions between particle-particle and particle-substrate in colloidal interfacial systems are interpreted by statistical analyses from distributions of colloidal particles; dynamic properties of colloidal assembly are also determined from particle trajectories. Our studies show that DCPM is able to detect many particle-surface interactions simultaneously and provides an ensemble average measurement of particle-surface interactions on a homogeneous surface to allow direct comparison of distributed and average properties. A benefit of ensemble averaging of many particles is the diminished need for time averaging, which can produce orders of magnitude faster measurement times at higher interfacial particle concentrations. The statistical analyses (Ornstein- Zernike and three dimensional Monte Carlo analyses) are used to obtain particle-particle interactions from lateral distribution functions and to understand the role of nonuniformities in interfacial colloidal systems. An inconsistent finding is the observation of an anomalous long range particle-particle attraction and recovery of the expected DLVO particle-wall interactions for all concentrations examined. The possible influence of charge heterogeneity and particle size polydispersity on measured distribution functions is discussed in regard to inconsistent particle-wall and particle-particle potentials. In the final part of this research, the ability of DCPM is demonstrated to map potential energy landscapes on patterned surfaces by monitoring interactions between diffusing colloidal probes with Au pattern features. Absolute separation is obtained from theoretical fits to measured potential energy profiles and direct measurement by sticking silica colloids to Au surfaces via electrophoretic deposition. Initial results indicate that, as colloidal probe and pattern feature dimensions become comparable, measured potential energy profiles suffer some distortion due to the increased probability of probes interacting with surfaces at the edges of adjacent pattern features. Measurements of lateral diffusion via analysis of mean square displacements also indicated lateral diffusion coefficients in excellent agreement with rigorous theoretical predictions.
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Althammer, Egbert. « Reflection patterns in the context of object and component technology / ». [S.l. : s.n.], 2001. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB9819092.

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Wells, Kimberly Joyce. « Reflections of Social Change : Burial Patterns in Colonial Fairfax County, Virginia ». W&M ScholarWorks, 1997. https://scholarworks.wm.edu/etd/1539626090.

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Yabsley, Susan Anne. « The reflection of patterns of attachment in infancy in narratives of preschool children ». Thesis, University College London (University of London), 1999. http://discovery.ucl.ac.uk/1318014/.

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This series of studies reports on the prospective and concurrent relation of attachment to a narrative based assessment of the five year old child's internal world. It relies on the exploration of a relatively new research measure designed to explore the internal world of the young child. No published studies have yet investigated the validity of this measure in relation to thoroughly tested measures of attachment patterns in infants and parents. Additionally, this study will investigate the independent contributions of mother and father. The first two chapters review the literature and introduce the instruments to be used. The initial chapter examines the theoretical points of view regarding the internal world and mental representations from the perspective of psychoanalytic, cognitive and attachment theory. It then discusses the move to a level of representation in attachment research that has made the current study possible. Chapter Two considers the history of the technique of doll play as a research tool and examines the scant research that has been published using the MacArthur Story Stem Battery. Chapter Three responds to a need for psychometric information regarding the MacArthur Story Stem Battery and the corresponding MacArthur Narrative Coding System by reporting on the construction of reliable and valid factors/scales. Subsequent chapters present these scales associations to demographic variables collected before the birth and during the infancy of the target children. Later chapters report on the longitudinal and concurrent associations between the scales with categories of infant-parent, child-parent and parental representations of attachment security and with parental assessments of child problem behaviours utilizing the reliable and validated Child Behaviour Checklist (CBCL). In addition, an attempt is made to construct theoretical profiles of secure and insecure children's responses to the story stem battery and to apply these profiles to the four groups of attachment patterns in the sample. The discussion focuses upon the creation of psychometrically valid scales relevant to important aspects of the child's internal world. It also concentrates upon discussing the confirmed and unconfirmed results of the application of these scales to this low-risk, non-clinical sample of the London Parent-Child Project.
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Yoon, Hwan-Sik. « Design, Modeling, and Optimization of a Mechanically Reconfigurable Smart Reflector Antenna System ». The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1036426477.

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Danylov, A. B. « Reflection Spectra Simulation for Flat and Patterned Surfaces of CdTe Solar Elements ». Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/42713.

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The paper comprises the simulation of light total reflection from solar element multilayered structure. For CdTe solar cell the analysis of optical losses in two different types of solar cells with indium tin oxide and zinc oxide as transparent upper contact (with glass superstrate and without it) is performed. The effect of glass superstrate in the elements is discussed and spectral dependences for reflectance in plain layer structure are built. For textured surfaces of solar element layer the comparison of influence of different types of texture on total light reflection is carried out.
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Bexell, Felicia. « MINDTRIP : An exploration of mirror illusions in fashion design ». Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-22031.

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This work explores the interactive use of mirrored and reflective materials in the context of fashion. It draws parallels between the way in which it has been used in architecture in comparison to fashion and seeks a way to make a fair translation between the two mediums. The motive behind this work lies in the curiosity to explore reflective mirror materials in clothing beyond simply as shiny surface materials and aims instead to explore its illusive properties when combined with archetypical pattern prints. This to explore the potential aesthetic expressions it could bring to the fashion field. Using the theoretical approach of convergence, divergence, and transformation by Jones and methods by Thornquist that was slightly modified and reworked to fit the context of this project. Investigations with the reflective material were tested in different scales, both by draping with the material as is and by cutting and placing it in different ways in relation to the printed textile material. Derived from these experiments a new illusive material was created with special draping and shaping properties that came to define the collection as a whole.
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Seah, Elizabeth Jane Izett. « Patterns of attachment and reflective functioning in families of adolescents with eating disorders ». Thesis, Curtin University, 2015. http://hdl.handle.net/20.500.11937/629.

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This study investigated attachment patterns and mentalising capacity of adolescent girls with eating disorders, their mother’s reflective capacity, and family functioning. Girls with eating disorders scored higher rates of insecure attachment, lower attachment coherence and higher hypermentalising than non-clinical girls. Although mothers’ reflective functioning did not differ between groups, a proportion of clinical mothers scored very low reflective functioning compared to controls. Clinical families presented with higher depression, anxiety, communication difficulties and conflict.
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Livres sur le sujet "Reflection pattern"

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Syntactic pattern recognition for seismic oil exploration. River Edge, NJ : World Scientific, 2002.

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E, Diéguez, dir. Orientation of single crystals by back-reflection Laue pattern simulation. Singapore : World Scientific, 1999.

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U, Seyler Dorothy, dir. Patterns of reflection. 4e éd. Boston : Allyn and Bacon, 2000.

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Olorode, Omotoye. Reflections on patterns in nature. Abuja, Nigeria : Department of Biological Sciences, University of Abuja, 2009.

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R, Cockrell C., Staton Leo D et Langley Research Center, dir. Electronic compensation for reflector surface distortion to improve radiation pattern characteristics of antennas. Hampton, Va : National Aeronautics and Space Administration, Langley Research Center, 1989.

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U, Seyler Dorothy, dir. Patterns of reflection : A reader. 5e éd. New York : Pearson/Longman, 2004.

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U, Seyler Dorothy, dir. Patterns of reflection : A reader. New York : Macmillan, 1992.

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U, Seyler Dorothy, dir. Patterns of reflection : A reader. 7e éd. New York : Pearson Longman, 2009.

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U, Seyler Dorothy, dir. Patterns of reflection : A reader. 6e éd. New York : Pearson/Longman, 2007.

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U, Seyler Dorothy, dir. Patterns of reflection : A reader. 3e éd. Boston : Allyn and Bacon, 1998.

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Chapitres de livres sur le sujet "Reflection pattern"

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Böhler, Dominik. « Reflection : Pattern Prototypes in Different Scenarios ». Dans On the Nature of Distributed Organizing, 221–24. Wiesbaden : Springer Fachmedien Wiesbaden, 2014. http://dx.doi.org/10.1007/978-3-658-06123-4_22.

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Zhang, Lichi, Edwin R. Hancock et Gary A. Atkinson. « Reflection Component Separation Using Statistical Analysis and Polarisation ». Dans Pattern Recognition and Image Analysis, 476–83. Berlin, Heidelberg : Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21257-4_59.

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Brough, Dean, et Michael Ryan. « Refining a Teaching Pattern : Reflection Around Artefacts ». Dans Teaching Reflective Learning in Higher Education, 31–50. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09271-3_3.

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Xu, Zhixin, Xiaobao Guo et Guangming Lu. « Single Image Reflection Removal Based on Deep Residual Learning ». Dans Pattern Recognition and Computer Vision, 253–66. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-31723-2_22.

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Sinvhal, Amita, et Harsha Sinvhal. « Recognized Patterns and Seismic Reflection Data ». Dans Seismic Modelling and Pattern Recognition in Oil Exploration, 145–64. Dordrecht : Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2570-3_8.

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Andresen, K., et R. Ritter. « The Phase Shift Method Applied to Reflection Moiré Pattern ». Dans Experimental Stress Analysis, 351–58. Dordrecht : Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4416-9_39.

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Soumekh, Mehrdad. « The Effects of Limited Data in Multi-Frequency Reflection Diffraction Tomography ». Dans Signal Processing and Pattern Recognition in Nondestructive Evaluation of Materials, 231–39. Berlin, Heidelberg : Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-83422-6_17.

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Das, Tania. « Detection of Fingerprint Pattern and Refractive Index of Deposited Sebum by Using Total Internal Reflection ». Dans Lecture Notes in Electrical Engineering, 17–23. Singapore : Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3477-5_3.

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Herman, Melissa. « All that Glitters : The Role of Pattern, Reflection, and Visual Perception in Early Anglo-Saxon Art ». Dans Sensory Perception in the Medieval West, 159–79. Turnhout : Brepols Publishers, 2016. http://dx.doi.org/10.1484/m.usml-eb.5.109509.

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Horváth, Gábor, et Dezső Varjú. « Reflection-Polarization Pattern of the Flat Water Surface Measured by 180° Field-of-View Imaging Polarimetry ». Dans Polarized Light in Animal Vision, 88–91. Berlin, Heidelberg : Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-09387-0_12.

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Actes de conférences sur le sujet "Reflection pattern"

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Jeong, Hyeon-Seop, Nam Kim, Mi-Ran Park et Chang-Won Shin. « Mask pattern recording of reflection type photopolymer using total internal reflection ». Dans 2007 Conference on Lasers and Electro-Optics - Pacific Rim. IEEE, 2007. http://dx.doi.org/10.1109/cleopr.2007.4391403.

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Lei, Chenyang, et Qifeng Chen. « Robust Reflection Removal with Reflection-free Flash-only Cues ». Dans 2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2021. http://dx.doi.org/10.1109/cvpr46437.2021.01457.

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Song*, Chengyun, Zhiyong Li, Zhining Liu et Guangmin Hu. « Prestack reflection pattern based seismic facies analysis ». Dans SEG Technical Program Expanded Abstracts 2015. Society of Exploration Geophysicists, 2015. http://dx.doi.org/10.1190/segam2015-5813837.1.

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Conte, Donatello, Pasquale Foggia, Gennaro Percannella, Francesco Tufano et Mario Vento. « Reflection Removal in Color Videos ». Dans 2010 20th International Conference on Pattern Recognition (ICPR). IEEE, 2010. http://dx.doi.org/10.1109/icpr.2010.441.

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Zhong, H., W. F. Sze et Y. S. Hung. « Reconstruction from Plane Mirror Reflection ». Dans 18th International Conference on Pattern Recognition (ICPR'06). IEEE, 2006. http://dx.doi.org/10.1109/icpr.2006.981.

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Arvanitopoulos, Nikolaos, Radhakrishna Achanta et Sabine Susstrunk. « Single Image Reflection Suppression ». Dans 2017 IEEE Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2017. http://dx.doi.org/10.1109/cvpr.2017.190.

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Hong, Yuchen, Qian Zheng, Lingran Zhao, Xudong Jiang, Alex C. Kot et Boxin Shi. « Panoramic Image Reflection Removal ». Dans 2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2021. http://dx.doi.org/10.1109/cvpr46437.2021.00767.

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Ala-Laurinaho, Juha, Zhou Du, Vasilii Semkin, Ville Viikari et Antti V. Raisanen. « Reflection coefficient method for antenna radiation pattern measurements ». Dans 2015 European Radar Conference (EuRAD). IEEE, 2015. http://dx.doi.org/10.1109/eurad.2015.7346293.

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Loos, J., G. Greiner et H. P. Seidel. « Modeling of surfaces with fair reflection line pattern ». Dans Proceedings Shape Modeling International '99. International Conference on Shape Modeling and Applications. IEEE, 1999. http://dx.doi.org/10.1109/sma.1999.749349.

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Mukaigawa, Yasuhiro, Takayuki Kakinuma et Yuichi Ohta. « Analytical compensation of inter-reflection for pattern projection ». Dans the ACM symposium. New York, New York, USA : ACM Press, 2006. http://dx.doi.org/10.1145/1180495.1180549.

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Rapports d'organisations sur le sujet "Reflection pattern"

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Ramirez, Abelardo, Kathleen Dyer, Donald White, Yue Hao et Xianjin Yang. Model verification : synthetic single pattern simulations using seismic reflection data. Office of Scientific and Technical Information (OSTI), juillet 2010. http://dx.doi.org/10.2172/1118013.

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Kidney, K. Solar reflector soiling pattern distributions and reflectance measurement requirements. Office of Scientific and Technical Information (OSTI), octobre 1990. http://dx.doi.org/10.2172/6300480.

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Durling, P. W. Seismic reflection interpretation of the Carboniferous Cumberland Basin, Northern Nova Scotia. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331223.

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An interpretation of approximately 1700 km of seismic data was completed in 1996. The seismic analysis, together with well information and geological map data, were used to map thirteen seismic horizons in the Cumberland Basin. Ten of the horizons were mapped only in limited areas, whereas three horizons could be mapped regionally. These are: BW (base of the Windsor Group), BP (base of the Boss Point Formation), and PG (base of the Pictou Group). The BW horizon is the deepest regional horizon mapped. The horizon generally dips southerly toward the Cobequid Highlands. It is affected by faults adjacent to the Scotsburn Anticline and the Hastings Uplift; the horizon was not recognized over part of the uplift. On the seismic reflection data, the horizon varies between 500 ms and 3200 ms two-way travel time (approximately 800-7600 metres) and rocks corresponding to this horizon do not outcrop in the basin. The BP and PG horizons can be traced to outcrop on the flanks of the major anticlines. Time structure maps of these horizons mimic the distribution of synclines mapped from outcrop geology. The BP horizon is affected by more faults and is more tightly folded than the PG horizon south of a major fault (Beckwith Fault). North of the Beckwith Fault, both horizons are essentially flat and not deformed. Several geological relationships were documented during this study. A thick (up to 1600 m) clastic unit was recognized in the central portion of the southern margin of the Cumberland Basin. It is interpreted as Windsor Group equivalent. Seismic reflections from within the Falls and Millsville conglomerates were recognized and suggest that these rocks correlate with the Windsor Group. Seismic profiles that cross the southern margin of the Cumberland Basin image parts of the asement complex to the south of the basin (Cobequid Highlands) and show reflection patterns consistent with mountain fronts. The seismic data image the folded and faulted Cobequid Highlands basement complex, which is interpreted as a thrusted structural wedge.
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London, Jonathan. Outlier Vietnam and the Problem of Embeddedness : Contributions to the Political Economy of Learning. Research on Improving Systems of Education (RISE), février 2021. http://dx.doi.org/10.35489/bsg-rise-wp_2021/062.

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Recent literature on the political economy of education highlights the role of political settlements, political commitments, and features of public governance in shaping education systems’ development and performance around learning. Vietnam’s experiences provide fertile ground for the critique and further development of this literature including, especially, its efforts to understand how features of accountability relations shape education systems’ performance across time and place. Globally, Vietnam is a contemporary outlier in education, having achieved rapid gains in enrolment and strong learning outcomes at relatively low levels of income. This paper proposes that beyond such felicitous conditions as economic growth and social historical and cultural elements that valorize education, Vietnam’s distinctive combination of Leninist political commitments to education and high levels of societal engagement in the education system often works to enhance accountability within the system in ways that contribute to the system’s coherence around learning; reflecting the sense and reality that Vietnam is a country in which education is a first national priority. Importantly, these alleged elements exist alongside other features that significantly undermine the system’s coherence and performance around learning. These include, among others, the system’s incoherent patterns of decentralization, the commercialization and commodification of schooling and learning, and corresponding patterns of systemic inequality. Taken together, these features of education in Vietnam underscore how the coherence of accountability relations that shape learning outcomes are contingent on the manner in which national and local systems are embedded within their broader social environments while also raising intriguing ideas for efforts to understand the conditions under which education systems’ performance with respect to learning can be promoted, supported, and sustained.
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Berkowitz, Jacob, Christine VanZomeren, Nia Hurst et Kristina Sebastian. An evaluation of soil phosphorus storage capacity (SPSC) at proposed wetland restoration locations in the western Lake Erie Basin. Engineer Research and Development Center (U.S.), septembre 2021. http://dx.doi.org/10.21079/11681/42108.

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Historical loss of wetlands coupled with excess phosphorus (P) loading at watershed scales have degraded water quality in portions of the western Lake Erie Basin (WLEB). In response, efforts are underway to restore wetlands and decrease P loading to surface waters. Because wetlands have a finite capacity to retain P, researchers have developed techniques to determine whether wetlands function as P sources or sinks. The following technical report evaluates the soil P storage capacity (SPSC) at locations under consideration for wetland restoration in collaboration with the Great Lakes Restoration Initiative (GLRI) and the H2Ohio initiative. Results indicate that the examined soils display a range of P retention capacities, reflecting historic land-use patterns and management regimes. However, the majority of study locations exhibited some capacity to sequester additional P. The analysis supports development of rankings and comparative analyses of areas within a specific land parcel, informing management through design, avoidance, removal, or remediation of potential legacy P sources. Additionally, the approaches described herein support relative comparisons between multiple potential wetland development properties. These results, in conjunction with other data sources, can be used to target, prioritize, justify, and improve decision-making for wetland management activities in the WLEB.
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Schmidt-Sane, Megan, Elizabeth Benninger, Tabitha Hrynick et Santiago Ripoll. Youth COVID-19 Vaccine Engagement in Cleveland, Ohio, United States. Institute of Development Studies, juin 2022. http://dx.doi.org/10.19088/ids.2022.040.

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Despite overall progress in COVID-19 vaccination rates in Cleveland, vaccine inequity persists as young people from minority communities are often less likely to be vaccinated. COVID-19 vaccine hesitancy is not just an issue of misinformation or lack of information. Vaccine hesitancy among young people is reflective of wider issues such as mistrust in the state or the medical establishment and negative experiences during the pandemic. This report is based on case study research conducted among minority youth (ages 12-18) in Cleveland, Ohio. While public discourse may label young people as “vaccine hesitant,” we found that there were hesitation differences based on social location and place. We found the greatest vaccine hesitancy among older youth (15+ years old), particularly those from minoritized communities. Unvaccinated youth were also more likely to be from families and friend groups that were unvaccinated. While some expressed distrust of the vaccines, others reported that COVID-19 prevention was not a priority in their lives. Instead, concerns over food security, livelihood, and education take precedence. Minority youth were more likely to report negative experiences with authorities, including teachers at their schools and police in their communities. Our findings demonstrate that COVID-19 vaccine hesitancy is embedded in a context that drives relationships of mistrust between minority communities and authorities, with implications for COVID-19 vaccine uptake. Young people’s attitudes toward vaccines are further patterned by experiences within their community, school, family, and friend groups.
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Schmidt-Sane, Megan, Tabitha Hrynick, Southall Community Alliance SCA, Charlie Forgacz-Cooper et Steve Curtis. Youth COVID-19 Vaccine Engagement in Ealing, London, United Kingdom. Institute of Development Studies, juin 2022. http://dx.doi.org/10.19088/ids.2022.039.

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Despite progress in COVID-19 vaccination rates overall in Ealing, vaccine inequity persists as young people from minority communities are often less likely to be vaccinated. COVID-19 ‘vaccine hesitancy’ is not just an issue of misinformation or lack of information. ‘Vaccine hesitancy’ among young people is reflective of wider issues such as mistrust in the state or the medical establishment and negative experiences during the pandemic. This report is based on case study research conducted among minority youth (from ages 12-19) in the London borough of Ealing. While public discourse may label young people as “vaccine hesitant,” we found that there were differences based on social location and place. We found the greatest vaccine refusal among older youth (15+ years old), which in the context of this study were from minoritised communities who have experienced deprivation across the life course. Unvaccinated youth were also more likely to be from families and friend groups that were unvaccinated. While some expressed distrust of the vaccines, others reported that COVID-19 prevention was not a priority in their lives, but instead concerns over food security, livelihood, and education take precedence. Minoritised youth were more likely to report negative experiences with authorities, including teachers at their schools and police in their communities. Our findings demonstrate that COVID-19 vaccine hesitancy is embedded in a context that drives relationships of mistrust between minority communities and authorities, with implications for COVID-19 vaccine uptake. Young people’s attitudes toward vaccines are further patterned by experiences within their community, school, family, and friend groups.
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Schmidt-Sane, Megan, Tabitha Hrynick, Elizabeth Benninger, Janet McGrath et Santiago Ripoll. The COVID-19 YPAR Project : Youth Participatory Action Research (YPAR) to Explore the Context of Ethnic Minority Youth Responses to COVID-19 Vaccines in the United States and United Kingdom. Institute of Development Studies, octobre 2022. http://dx.doi.org/10.19088/ids.2022.072.

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Despite progress in COVID-19 vaccination rates overall in the US and UK, vaccine inequity persists as young people from minoritised and/or deprived communities are often less likely to be vaccinated. COVID-19 ‘vaccine hesitancy’ is not just an issue of misinformation or lack of information. ‘Vaccine hesitancy’ among young people is reflective of wider issues such as mistrust in the state or the medical establishment and negative experiences during the pandemic. This report is based on case study research conducted among young people (ages 12-18) in Cleveland, Ohio, US and the London borough of Ealing, UK. Whilst public discourse may label young people as ‘vaccine hesitant,’ we found that there were differences based on social location and place and this labelling may portray young people as ‘ignorant.’ We found the greatest vaccine hesitancy among older youth (15+ years old), particularly those from minoritised and deprived communities. Unvaccinated youth were also more likely to be from families and friend groups that were unvaccinated. While some expressed distrust of the vaccines, others reported that COVID-19 prevention was not a priority in their lives, but instead concerns over food security, livelihood, and education take precedence. Minoritised youth were more likely to report negative experiences with authorities, including teachers at their schools and police in their communities. Our findings demonstrate that COVID-19 vaccine hesitancy is embedded in a context that drives relationships of mistrust between minoritised and deprived communities and the state, with implications for COVID-19 vaccine uptake. Young people’s attitudes toward vaccines are further patterned by experiences within their community, school, family, and friend groups.
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Steffens, John C., et Eithan Harel. Polyphenol Oxidases- Expression, Assembly and Function. United States Department of Agriculture, janvier 1995. http://dx.doi.org/10.32747/1995.7571358.bard.

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Polyphenol oxidases (PPOs) participate in the preparation of many plant products on the one hand and cause considerable losses during processing of plant products on the other hand. However, the physiological functions of plant PPO were still a subject of controversy at the onset of the project. Preliminary observations that suggested involvement of PPOs in resistance to herbivores and pathogens held great promise for application in agriculture but required elucidation of PPO's function if modulation of PPO expression is to be considered for improving plant protection or storage and processing of plant products. Suggestions on a possible role of PPO in various aspects of chloroplast metabolism were also relevant in this context. The characterization of plant PPO genes opened a way for achieving these goals. We reasoned that "understanding PPO targeting and routing, designing ways to manipulate its expression and assessing the effects of such modifications will enable determination of the true properties of the enzyme and open the way for controlling its activity". The objective of the project was to "obtain an insight into the function and biological significance of PPOs" by examining possible function(s) of PPO in photosynthesis and plant-pest interactions using transgenic tomato plants; extending our understanding of PPO routing and assembly and the mechanism of its thylakoid translocation; preparing recombinant PPOs for use in import studies, determination of the genuine properties of PPOs and understanding its assembly and determining the effect of PPO's absence on chloroplast performance. Results obtained during work on the project made it necessary to abandon some minor objectives and devote the effort to more promising topics. Such changes are mentioned in the 'Body of the report' which is arranged according to the objectives of the original proposal. The complex expression pattern of tomato PPO gene family was determined. Individual members of the family are differentially expressed in various parts of the plant and subjected to developmentally regulated turnover. Some members are differentially regulated also by pathogens, wounding and chemical wound signals. Wounding systemically induces PPO activity and level in potato. Only tissues that are developmentally competent to express PPO are capable of responding to the systemic wounding signal by increased accumulation of PPO mRNA. Down regulation of PPO genes causes hyper susceptibility to leaf pathogens in tomato while over expression regulation of PPO expression in tomato plants is their apparent increased tolerance to drought. Both the enhanced disease resistance conferred by PPO over expression and the increased stress tolerance due to down regulation can be used in the engineering of improved crop plants. Photosynthesis rate and variable fluorescence measurements in wild type, and PPO-null and over expressing transgenic tomato lines suggest that PPO does not enable plants to cope better with stressful high light intensities or reactive oxygen species. Rather high levels of the enzyme aggravate the damage caused under such conditions. Our work suggests that PPO's primary role is in defending plants against pathogens and herbivores. Jasmonate and ethylene, and apparently also salicylate, signals involved in responses to wounding and defense against herbivores and pathogens, enhance markedly and specifically the competence of chloroplasts to import and process pPPO. The interaction of the precursor with thylakoid membranes is primarily affected. The routing of PPO shows other unusual properties: stromal processing occurs in two sites, resulting in intermediates that are translocated across thylakoids by two different mechanisms - a DpH- and a Sec-dependent one. It is suggested that the dual pattern of processing and routing constitutes a'fail safe' mechanism, reflecting the need for a rapid and flexible response to defense challenges. Many of the observations described above should be taken into consideration when manipulation of PPO expression is contemplated for use in crop improvement.
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Hilbrecht, Margo, David Baxter, Alexander V. Graham et Maha Sohail. Research Expertise and the Framework of Harms : Social Network Analysis, Phase One. GREO, décembre 2020. http://dx.doi.org/10.33684/2020.006.

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In 2019, the Gambling Commission announced a National Strategy to Reduce Gambling Harms. Underlying the strategy is the Framework of Harms, outlined in Measuring gambling-related harms: A framework for action. "The Framework" adopts a public health approach to address gambling-related harm in Great Britain across multiple levels of measurement. It comprises three primary factors and nine related subfactors. To advance the National Strategy, all componentsneed to be supported by a strong evidence base. This report examines existing research expertise relevant to the Framework amongacademics based in the UK. The aim is to understand the extent to which the Framework factors and subfactors have been studied in order to identify gaps in expertise and provide evidence for decision making thatisrelevant to gambling harms research priorities. A social network analysis identified coauthor networks and alignment of research output with the Framework. The search strategy was limited to peer-reviewed items and covered the 12-year period from 2008 to 2019. Articles were selected using a Web of Science search. Of the 1417 records identified in the search, the dataset was refined to include only those articles that could be assigned to at least one Framework factor (n = 279). The primary factors and subfactors are: Resources:Work and Employment, Money and Debt, Crime;Relationships:Partners, Families and Friends, Community; and Health:Physical Health, Psychological Distress, and Mental Health. We used Gephi software to create visualisations reflecting degree centrality (number of coauthor networks) so that each factor and subfactor could be assessed for the density of research expertise and patterns of collaboration among coauthors. The findings show considerable variation by framework factor in the number of authors and collaborations, suggesting a need to develop additional research capacity to address under-researched areas. The Health factor subcategory of Mental Health comprised almost three-quarters of all citations, with the Resources factor subcategory of Money and Debt a distant second at 12% of all articles. The Relationships factor, comprised of two subfactors, accounted for less than 10%of total articles. Network density varied too. Although there were few collaborative networks in subfactors such as Community or Work and Employment, all Health subfactors showed strong levels of collaboration. Further, some subfactors with a limited number of researchers such as Partners, Families, and Friends and Money and debt had several active collaborations. Some researchers’ had publications that spanned multiple Framework factors. These multiple-factor researchers usually had a wide range of coauthors when compared to those who specialised (with the exception of Mental Health).Others’ collaborations spanned subfactors within a factor area. This was especially notable forHealth. The visualisations suggest that gambling harms research expertise in the UK has considerable room to grow in order to supporta more comprehensive, locally contextualised evidence base for the Framework. To do so, priority harms and funding opportunities will need further consideration. This will require multi-sector and multidisciplinary collaboration consistent with the public health approach underlying the Framework. Future research related to the present analysis will explore the geographic distribution of research activity within the UK, and research collaborations with harms experts internationally.
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