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Littérature scientifique sur le sujet « Room Shape »

Auteur : Grafiati

Publié le 15 mars 2025

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Articles de revues sur le sujet "Room Shape"

Tomiku, Reiji, Noriko Okamoto, Toru Otsuru, Arata Yoshida, Yuto Kinjyo et Shoma Suzuki. « Investigation on measurement sound field of absorption coefficient in reverberation room by numerical simulation - Relationship between room shapes and measurement results - ». INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, n^o 4 (30 novembre 2023) : 4748–55. http://dx.doi.org/10.3397/in_2023_0674.

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In this study, the relationship among the shape and volume of the reverberation room, the sound absorption coefficient of the specimen, the frequency, and the obtained measurement results of the absorption coefficient in reverberation room are investigated by time-domain finite element method. First, finite element models are created for 11 types of reverberation rooms with different room shapes and volumes, and the models are analyzed in the case that all the boundaries are rigid walls and in the case that a measurement specimen is installed on one of the boundaries. Next, the absorption coefficients in each reverberation room are calculated and relationships among the results of the absorption coefficients, the shape and volume of the room, the absorption coefficients of the specimen and the frequency are shown. As the results, it is shown that relationship between absorption coefficient in reverberation room and absorption coefficient of specimen was varied by the absorption coefficient of the specimen and frequency more than room volume in heptahedral irregularly shaped reverberation room.

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ZIEGLER, Thomas. « Functions for noise reduction in acoustic standards : evaluating reverberation time, mean absorption coefficient, and a novel approach ». INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, n^o 8 (4 octobre 2024) : 3469–77. http://dx.doi.org/10.3397/in_2024_3332.

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Contemporary European acoustic standards utilize dimensioning functions based on either reverberation time or mean absorption coefficient. For spaces with the primary goal of noise reduction, achieving consistent overall sound pressure level (SPL) reduction, regardless of room sizes and shapes is evidently desirable. The conditions under which reverberation time and mean absorption coefficient approaches align with the objective of consistent SPL reduction are analyzed. Generally, both approaches fall short of achieving consistency in case of varying ground surface or room shape, i.e. length, width and height relations. Additionally, in large rooms, constant or room height-dependent reverberation time functions may lead to extensive absorption areas, complicating the installation of acoustical treatments and degrading their economic efficiency. A novel dimensioning function, providing consistent SPL reduction independently of room size and shape, is derived based on diffuse field theory. The novel function is multiplied by a linear function of room height and length, to alleviate accuracy limitations of diffuse field theory in case of varying room shapes. Finally, simulations systematically varying room sizes and shapes demonstrate that the novel dimensioning function significantly outperforms existing approaches in achieving consistent SPL reduction.

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Dokmanic, I., R. Parhizkar, A. Walther, Y. M. Lu et M. Vetterli. « Acoustic echoes reveal room shape ». Proceedings of the National Academy of Sciences 110, n^o 30 (17 juin 2013) : 12186–91. http://dx.doi.org/10.1073/pnas.1221464110.

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Dorward, Fiona M. C., et Ross H. Day. « Loss of 3-D Shape Constancy in Interior Spaces : The Basis of the Ames-Room Illusion ». Perception 26, n^o 6 (juin 1997) : 707–18. http://dx.doi.org/10.1068/p260707.

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The apparently rectangular form of the irregularly shaped Ames room is explained in terms of a loss of interior 3-D shape constancy consequent on viewing the room with one eye through a small specifically positioned aperture. In the absence of retinal disparity and motion parallax the appearance of the room is held to shift markedly toward the rectangular dimensions of its retinal image. Three experiments designed to test this explanation with a miniature (one-tenth size) version of the Ames room No 1 with the matched 2-D shape of the back wall and as an index of interior 3-D shape are reported. The experiments showed that interior constancy was almost fully restored with binocular viewing of the room (experiment 1). The effect with a ‘skeletal’ version of the room was about the same as that with the conventional version and was clearly evident when the back wall or its frame version was presented alone (experiment 2), and it varied according to whether the interior perspective corresponded with that of the Ames or a rectangular room (experiment 3). Experiment 3 also showed that a rectangular room is significantly distorted when the interior perspective accords with that of the Ames room. These outcomes are construed as supporting the loss-of-constancy explanation and as showing that the Ames-room effect is one of a class of illusions attributable to the absence of stimulus correlates that normally sustain visual shape constancy.

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Plumbley, M. D. « Hearing the shape of a room ». Proceedings of the National Academy of Sciences 110, n^o 30 (10 juillet 2013) : 12162–63. http://dx.doi.org/10.1073/pnas.1309932110.

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Jamaludin, J., et Purnama Salura. « Understanding the Meaning of Triangular Shape in Mosque Architecture in Indonesia ». International Journal of Engineering & ; Technology 7, n^o 4.7 (27 septembre 2018) : 458. http://dx.doi.org/10.14419/ijet.v7i4.7.27359.

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This paper discuss the formal and symbolical meaning of triangular shape of contemporary mosque architecture in Indonesia, with case study the mosques designed by Ridwan Kamil in Jakarta and in rest area Km 88 toll road between Jakarta and Bandung. There was a question in the public whether the triangular shape was adequate to be used as a mosque building. This paper propose answers with the analitical descriptive to understand the symbolical meaning of triangle shape used Sundanese community culture, one of Indonesian ethnics as representation. The paper used comparation and interpretation method to reveals the meaning of triangle shape in local culture and to find the connection to triangle shape in contemporary mosques architecture. The vernacular mosques in Indonesia known with their pyramid shape stacked roof with pointed roof in the peak. The pointed roof derived from the mountain that believed as the sacred place and used as symbol in the form of stacked roof of mosque. The finding of this paper is that triangular form can be accepted as mosque architectural form for the symbolical meaning derived from Sundanese culture. In the two mosques, this triangle shape enlarged and become praying room and as bridge to the God realm. The shape then achieved two purpose, as symbol of holy place and also fullfiled the function of praying room.

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Wang, Z. L., T. S. Ahmadi, J. M. Petroski et M. A. El-Sayed. « Surface Structures of Shape-Controlled Platinum Nanoparticles ». Microscopy and Microanalysis 3, S2 (août 1997) : 429–30. http://dx.doi.org/10.1017/s143192760000903x.

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The selectivity and activities of platinum (Pt) particles strongly depend on their sizes and shapes. A technique has been recently reported for controlling the shapes and sizes of Pt particles [1]. Pt particles were prepared by bubbling Ar gas through the solution of K2PtCl4, and the Pt ions were reduced by flowing H2 gas through the solution. The shape control was performed by changing the ratio of the concentration of the capping polymer material to that of the platinum cations used in the reductive synthesis of colloidal particles in solution at room temperature [2]. High percentage of cubic, tetrahedral and octahedral particles have been prepared at room temperature, making it possible for studying the chemical activities of particles with different shapes and facets. This paper aims to study the surface structures of Pt particles prepared by the shape-controlling synthesis technique using high-resolution transmission electron microscopy (HRTEM).

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Imani, Yashifa Anindita, et Ratna Endah Santoso. « Perancangan Pelengkap Interior Dengan Inspirasi Interior Maroko (Studi Kasus Ruang VIP Marakez Cafe & ; Resto) ». Ornamen 19, n^o 2 (1 décembre 2022) : 160–69. http://dx.doi.org/10.33153/ornamen.v19i2.3827.

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Marakez Café & Resto is a restaurant that serves Middle Eastern specialties in Surakarta. Carrying the Café & Resto, Marakez has several spots and rooms, one of which is a VIP room provided for guests with facilities that can be considered exclusive compared to other rooms. The shape of this VIP room is actually very supportive, with a short sofa that allows customers to enjoy their food in a lesehan style, just like Middle Eastern culture, but unfortunately the interior elements in this room do not reflect the Moroccan feel as the name suggests. Based on the description that has been explained, it is necessary to design interior textile elements to build a Moroccan atmosphere because it has been supported by the shape of the room. This design uses the design method presented by Colin Clipson. The results of this design produce complementary interior styles that are based on ideas from the Moroccan interior, namely arch, zellij and mashrabiya. This design also combines two techniques in surface design, namely digital printing and embroidery, the product is an interior complement in the form of sofa upholstery, curtains and pillowcases.

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Tomiku, Reiji, Noriko Okamoto, Toru Otsuru, Shun Iwamoto et Shoma Suzuki. « Finite element sound field analysis on measurement of absorption coefficient in a reverberation room -Relationships between inclination of walls and measurement results- ». INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, n^o 1 (1 août 2021) : 5571–77. http://dx.doi.org/10.3397/in-2021-3158.

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The absorption coefficients in a reverberation room are most representative measure for evaluating absorption performance of architectural materials. However, it is well known that measurement results of the coefficient vary according to a room shape of the measurement and area of the specimen. Numerical analyses based on wave acoustics are effective tools to investigate these factors on absorption coefficient measurement in reverberation room. In this study, sound fields for the measurement of absorption coefficient in reverberation room are analyzed by time domain finite element method (TDFEM). This study shows effectiveness of the analysis for investigation on causes of variation in the measurement results and improvement methods of the measurement. First, some measurement sound fields for absorption coefficient in reverberation rooms the walls of which are incline or decline are analyzed by the TDFEM. Next, reverberation times in each sound fields are calculated from the results obtained by TDFEM and the absorption coefficients are evaluated from the reverberation time of the room with and without specimen. Finally, the relationships among room shape, degree of inclination of the wall, the sound absorption coefficient of the specimen, frequencies and the measurement absorption coefficient are investigated.

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Sato, Gen, et Yusuke Ikeda. « Data-driven simulation for two-dimentional sound field considering room shape ». INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, n^o 2 (30 novembre 2023) : 6928–34. http://dx.doi.org/10.3397/in_2023_1034.

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Estimating the sound fields in a room using numerical simulations based on the wave equation typically requires extensive computation time. Consequently, several recent studies have explored the use of deep learning to reduce computation time. However, these studies have not adequately accounted for differences in room shapes, which significantly affect reverberation. In this study, we propose a novel approach that utilizes sound field simulation results for deep learning training data to estimate the sound field in rooms of various shapes. Our target data were obtained using the boundary element method, and we employed full-resolution residual networks as our deep learning models. Through our experiments, we evaluated the accuracy of our proposed method for sound field estimation as well as the computational time required.

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Thèses sur le sujet "Room Shape"

Chen, Xiaocheng. « Synthesis of 10-Carboxy-N-Decyol-N, N’- Dimethyldecyl-1-Ammonium Bromide as Organogelator & ; Room temperature Shape Memory Programming of Stearic Acid/ Natural Rubber Bilayer Blend ». University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1500563824207268.

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Sprunck, Tom. « Peut-on entendre la forme d'une pièce ? : Reconstruction de la géométrie d'une salle à partir de mesures acoustiques par super-résolution et optimisation de forme ». Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAD061.

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Cette thèse aborde le problème inverse de la reconstruction de la géométrie d’une pièce à partir de mesures acoustiques. Plus précisément, nous nous concentrons sur les Réponses Impulsionnelles de Salle. Nous développons deux approches distinctes pour résoudre ce problème. La première approche considère des pièces parallélépipédiques avec des murs réfléchissants et repose sur la méthode dite des Sources Images. Nous proposons un cadre novateur basé sur l’algorithme Frank-Wolfe pour reconstruire les positions 3D des sources images en résolvant un problème d’optimisation convexe dans l’espace des mesures de Radon. La deuxième approche s’étend à des formes de pièce plus générales en formulant le problème inverse comme un problème d’optimisation de forme, où la géométrie de la pièce est optimisée en minimisant les écarts entre des observations dans le domaine fréquentiel et la solution de l’équation de Helmholtz définie sur le domaine de la pièce
This thesis addresses the inverse problem of reconstructing the geometry of a room from acoustic measurements. Specifically, we focus on Room Impulse Responses. We develop two distinct approaches to tackle this problem. The first approach considers cuboid rooms with reflective walls and is based on the so-called Image Source Method. We propose a novel framework, utilizing the Frank-Wolfe algorithm, to reconstruct the 3D positions of image sources in a gridless manner by solving a convex optimization problem in the space of Radon measures. The second approach extends to more general room shapes. The inverse problem is formulated as a shape optimization problem, where the room geometry is refined by minimizing discrepancies between frequency-domain observations and the solution of the Helmholtz equation defined on the room domain

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Hyde, Andrew. « Statistical shape analysis of wheat root systems ». Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/52255/.

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The roots of a plant play a vital role in its growth and development, but due to practical difficulties of observing underground roots, the study of their shape has long been neglected. Recent advances in CT imaging technology have allowed for accurate non-destructive imaging of root systems in soil. This technique has formed the basis of the FutureRoots project. The main challenge with analysing the shape of a plant root system is that they have varying topological structure, so traditional shape analysis methods cannot be applied. In this thesis, we develop three approaches for analysing wheat root systems. The first approach involves measuring a set of pre-chosen root traits, and analysing this set using conventional statistical methods. This approach is effective but may miss potentially important shape information and the large number of measurable traits reduces the potential power of statistical tests. The second approach is to perform pairwise comparisons based on the Hausdorff Metric and use Multidimensional scaling to reduce a large set of pairwise comparisons to a dataset which can be analysed with conventional statistical methods. This approach can detect and test for overall shape differences but can fail to detect subtle differences. The third approach is to apply the Persistent Homology technique from Topological Data Analysis, which is designed to find underlying topological differences between two shapes. This method successfully finds differences but it is difficult to interpret the results. We will apply these three techniques to simulated data and a real life dataset. In addition, because of experimental considerations, the wheat roots had to be unnaturally constrained to a small area so we have developed a method to estimate how they would have grown unconstrained.

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McGinley, Susan. « Retractable Roof Greenhouse Cultivation Offers Flexibility : Plants Thrive Under Moveable Shade ». College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/622206.

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Abohela, Islam Mohamed Mahmoud Mohamed. « Effect of roof shape, wind direction, building height and urban configuration on the energy yield and positioning of roof mounted wind turbines ». Thesis, University of Newcastle Upon Tyne, 2012. http://hdl.handle.net/10443/1686.

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The increasing interest among architects and planners in designing environmentally friendly buildings has led to a desire to explore and integrate renewable sources of energy within the built environment. Roof mounted wind turbines is a technology that presents a high potential for integration within the built environment. However, there is a state of uncertainty regarding the viability of these wind turbines. This thesis argues that part of this uncertainty is attributed to uninformed decisions about positioning and locating urban wind turbines. This is underpinned by lack of consideration to the wind accelerating effect of different roof shapes, buildings’ heights and surrounding urban configurations. This thesis aims to investigate the effect of different roof shapes on wind acceleration and positioning of roof mounted wind turbines covering different buildings’ heights within different urban configurations under different wind directions. To achieve the aim of the thesis, the commercial Computational Fluid Dynamics (CFD) code Fluent 12.1, implementing the Realizable k-ε turbulence model, is used to simulate wind flow around different roof shapes, different buildings’ heights and different urban settings. Predictions are comparatively analysed to identify the optimum roof shape for mounting wind turbines. Simulation results indicate that the barrel vaulted roof has the highest wind accelerating effect. The barrel vaulted roof shape case was carried further to investigate the effect of building height and surrounding urban configurations on the energy yield and positioning of roof mounted wind turbines. The optimum mounting location for each of the investigated roof shapes namely: flat, domed, gabled, pyramidal, barrel vaulted and wedged roofs is identified. Results from the investigation predict a possible increase up to 56.1% in energy yield in the case of a barrel vaulted roof if an informed wind assessment above buildings’ roofs is carried out. However, changing the building height and surrounding urban configuration had an effect on choosing the optimum mounting location and the energy yield at that location.

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Sui, Jieli. « Optimization of CO2 emission and investment value on roof shape design for wooden detached house ». 京都大学 (Kyoto University), 2007. http://hdl.handle.net/2433/136266.

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Gurgenli, Hakan. « Geomechanical and weathering properties of weak roof shales in coal mines ». Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4717.

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Thesis (M.S.)--West Virginia University, 2006.
Title from document title page. Document formatted into pages; contains ix, 99 p. : ill. (some col.), maps (part col.). Includes abstract. Includes bibliographical references (p. 77-81).

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Richardson-Calfee, Lisa E. « Post-Transplant Root Production, Mortality, and Periodicity of Landscape-Sized Shade Trees ». Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/28315.

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A more thorough knowledge of rooting behavior of transplanted trees is needed to better understand plant establishment. The objectives of this research were to: 1) determine if transplant timing affected root system regeneration of northern red oak (Quercus rubra L.) and willow oak (Q. phellos L.), 2) determine the effect of transplant timing and nursery production system on root, shoot, and trunk growth periodicity of balled-and-burlapped (B&B) and pot-in-pot (PIP) sugar maple (Acer saccharum Marsh.), and 3) characterize seasonal patterns of root production and mortality of transplanted sugar maple. No new root growth occurred outside or within the root balls of red or willow oak between November transplanting and January excavation. However, new root growth was observed when November- and March-transplanted oaks were excavated in April, indicating that new root growth occurs primarily in late winter and/or early. Transplanted and non-transplanted sugar maples exhibited a pattern of maximum rates of shoot extension in early May, root length accumulation in late May, and trunk expansion in mid June. Rate of root length accumulation was less in summer and fall. Transplanting did not appear to disrupt the normal growth periodicity of sugar maple, except when transplanted in July. Abundant root length accumulation occurred in the July transplants at a time when root length accumulation had slowed in all other treatments, resulting in the July transplants having similar standing root lengths as the other transplants by fall. Standing root length of non-transplanted PIP sugar maple declined dramatically in spring. While root production in sugar maple was limited to the growing season, root mortality occurred at a steadier rate throughout the year. Most root mortality occurred in winter in transplanted trees and spring and summer in non-transplanted trees. Non-transplanted PIP trees had greater standing root length, production, and mortality than the other treatments. Indices of root activity (analogous to turnover rates) and production:mortality ratios illustrated the dominant role that root production plays relative to mortality in recently transplanted trees. These data indicate that transplanting and the PIP production system disrupt typical patterns of root production and mortality in sugar maple.
Ph. D.

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Sanders, Aaron Anthony. « An Experimental Investigation of the Influence of Elliptical Root Shapes and Asymmetric Teeth on Root Stresses and Bending Fatigue Lives ». The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1290530501.

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Cheung, Ho-ming Lisa. « C-shaped canal in human mandibular second molar ». Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B37486950.

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Livres sur le sujet "Room Shape"

1941-, Burns Marilyn, et Ong Cristina ill, dir. Not enough room ! New York : Scholastic, 1998.

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Anastasio, Dina. The Romper Room book of shapes. Garden City, N.Y : Doubleday, 1985.

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ill, Nicklaus Carol, dir. Busy Bear's room. New York : Grosset & Dunlap, 1985.

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Cross, Gillian. The Black Room. New York : Penguin USA, Inc., 2009.

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Cross, Gillian. The black room. New York : Dutton Children's Books, 2006.

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Jones, Christianne C. Room to share. Minneapolis : Picture Window Books, 2006.

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Banks, Lynne Reid. The L-shaped room. Bath : Chivers, 1991.

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Simpson, Louis Aston Marantz. In the room we share. New York : Paragon House, 1990.

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Klijn, Flip. Smith and Rawls share a room : Stability and medians. [Boston] : Harvard Business School, 2009.

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Sames, Gary P. Coal mine air tempering : Effectiveness, design, and roof support. Pittsburgh, Pa : U.S. Dept. of the Interior, Bureau of Mines, 1985.

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Chapitres de livres sur le sujet "Room Shape"

Gaudio, Paola. « 2. Who Cares What Shape the Red Room is ? » Dans Prismatic Jane Eyre, 184–207. Cambridge, UK : Open Book Publishers, 2023. http://dx.doi.org/10.11647/obp.0319.05.

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The aim of this essay is to identify patterns of textual variation that affect both the source text(s) and its translations. Starting with the substitution of the word ‘spare’ with ‘square’ in the ‘red-room’ episode, textual variations are analysed in a selection of English editions of Charlotte Brontë’s Jane Eyre published by prestigious publishing houses such as Collins, Harper, Oxford, Norton Critical, and Penguin―from the second half of the nineteenth-century to the most recent editions, including e-books (Amazon) and *.txt files (Project Gutenberg). Variations in English editions are compared against the original Brontë’s manuscript (1847) and tracked down in eleven Italian translations.

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Jaime de Pablos, María Elena. « Becoming Resilient Subjects : Vulnerability and Resistance in Emma Donoghue’s Room ». Dans Cultural Representations of Gender Vulnerability and Resistance, 33–52. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-95508-3_3.

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AbstractEmma Donoghue’s novel Room narrates the story of Ma, a 26-year-old woman who has been imprisoned for seven years in an eleven-by-eleven-foot soundproof garden shed in an unnamed place in America with her 5-year-old boy, Jack. This present chapter deals with the abusive conditions of oppression and confinement that Ma and Jack must face both in captivity and after escape, the impact that these conditions have on their body, psyche and social life, the different practices of resistance that mother and child enact to cope with them and the transforming process they must undergo to bounce back from them. Judith Butler’s Theory of Vulnerability helps us understand how Emma Donoghue resorts to the notion of vulnerability in resistance to shape Room characters’ subjectivity, Julia Kristeva’s Theory of the Abject lets us explain why Ma and Jack fall into the category of socially disturbing elements in a patriarchal symbolic order and Boris Cyrulnik’s Theory of Resilience is paramount to examine the process that the protagonists must undergo to overcome trauma.

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Mineta, Takashi, Toshiaki Mitsui, Yoshiyuki Watanabe, Seiya Kobayashi, Youichi Haga et Masayoshi Esashi. « An Active Guide Wire With Shape Memory Alloy Bending Actuator Fabricated By Room Temperature Process ». Dans Transducers ’01 Eurosensors XV, 698–701. Berlin, Heidelberg : Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59497-7_166.

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Reynolds, Matthew. « VII. ‘Walk’ and ‘Wander’ through Language(s) ». Dans Prismatic Jane Eyre, 678–701. Cambridge, UK : Open Book Publishers, 2023. http://dx.doi.org/10.11647/obp.0319.22.

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This chapter offers a close reading of the pair of terms ‘walk’ and ‘wander’ in the English text, and explains the different patterns of significance created in Greek, Estonian, Italian and Chinese, presenting a series of instances in video animations and printed multilingual arrays (with back-translations). It then introduces Javascript animations of ‘Prismatic Scenes’ (the ‘red-room’ and the ‘shape in Jane’s bedroom) created by Paola Gaudio. Finally, it expounds the theory of ‘littoral reading’ – that is, a mode of close reading suited to a world literary text, in which the words’ potential to transform across language difference is continually being activated.

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Mechel, Fridolin. « Cupola-Shaped Room ». Dans Room Acoustical Fields, 263–76. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-22356-3_12.

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Bailey, Carlo, Nicole Phelan, Ann Cosgrove et Daniel Davis. « This Room Is Too Dark and the Shape Is Too Long : Quantifying Architectural Design to Predict Successful Spaces ». Dans Humanizing Digital Reality, 337–48. Singapore : Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-6611-5_29.

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Draze, Dianne, et Mary Lou Johnson. « The Shape of Things ». Dans Red Hot Root Words, 101–2. New York : Routledge, 2021. http://dx.doi.org/10.4324/9781003237679-47.

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Jensen, Martin Trandberg, et Kaya Barry. « Following Pollen Mobilities ». Dans Arctic Encounters, 119–30. Cham : Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-39500-0_8.

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AbstractInspired by more-than-human thinking and ‘follow-the-thing’ approaches in anthropology, this chapter discusses human–pollen relations in the context of climate change and the designed infrastructures of tourism. Through a creative methodical approach, we explore the different ways pollen emerges as an object of scrutiny and politicisation. Through three short cases (‘summer thunderstorms,’ the ‘aircraft cabin,’ and the ‘hotel room’), we tease out the relations between nature and culture as manifested through pollen controversies. These more-than-human accounts take the reader through tales that cut across traditional binaries within tourism research, such as local–global and nature–culture, to illustrate how proximities are assembled through socio-material, technological, and political contexts and practices. We outline a dynamic and multi-sited way of thinking about proximities and suggest that the processes and ambitions of ‘staying proximate’ are also a question of understanding how the built environments of tourism condition and shape proximities.

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Macedo, Rita. « Visible Issues. Insights Into the Professional Identity of the Conservator ». Dans Conservation of Contemporary Art, 147–62. Cham : Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-42357-4_8.

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AbstractThis chapter addresses the professional identity of the contemporary art museum conservator. It departs from a general review of the literature about the professional role of the conservator to focus on how practitioners see themselves in their profession when it comes to their values, beliefs, the functions performed and perceived relationships with colleagues. I also discuss how conservators think they are seen by others (colleagues or the anonymous public). Aware of the complexity of relationships that shape the contemporary art museum, this chapter focuses specifically on the identity of conservation professionals and their reported invisibility to colleagues and the public. I argue that while some of the factors that negatively influence a conservator’s self-perception come from beliefs and stereotypes formed along with the construction of professional identity, others are consolidated and perpetuated in the context of the museum, where these identities do not seem to have room for transformation or renegotiation, through professional agency.

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Kaura, Manisha Shelley, S. R. Kaura et Zak Hamby. « Shapes, Colors, Qualities ». Dans Rockin' Root Words, 59–73. New York : Routledge, 2021. http://dx.doi.org/10.4324/9781003237761-5.

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Actes de conférences sur le sujet "Room Shape"

Graham, C., et I. Jovanovic. « Light Output-Dependent Integration Gating for Optimized Pulse-Shape Discrimination ». Dans 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD), 1. IEEE, 2024. http://dx.doi.org/10.1109/nss/mic/rtsd57108.2024.10658350.

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Watanabe, K., Y. Sugai, S. Tanaka, S. Hasegawa, K. Hitomi et M. Nogami. « Multivariate analysis for signal pulse shape of TlBr semiconductor detectors ». Dans 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD), 1. IEEE, 2024. http://dx.doi.org/10.1109/nss/mic/rtsd57108.2024.10655584.

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Park, M., H. Lee, S. Song, J. Hwang, C. Park, K. Lee et J. Y. Yeom. « Gamma-ray Probe Endoscope using Phoswich structure & ; Pulse Shape Discrimination system ». Dans 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD), 1. IEEE, 2024. http://dx.doi.org/10.1109/nss/mic/rtsd57108.2024.10657470.

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Adamowski, L., M. Grodzicka-Kobylka, T. Szczesniak, L. Swiderski et A. Syntfeld-Każuch. « Influence of Self-Absorption on Pulse Shape Discrimination in Organic Glass Scintillators ». Dans 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD), 1. IEEE, 2024. http://dx.doi.org/10.1109/nss/mic/rtsd57108.2024.10655023.

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Montague, M. E., S. D. Clarke et S. A. Pozzi. « Application of Digital Pulse Processing Code to Organic Scintillator Outputs for Pulse Shape Discrimination ». Dans 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD), 1. IEEE, 2024. http://dx.doi.org/10.1109/nss/mic/rtsd57108.2024.10657345.

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Mann, S., A. Abba, F. Caponio, G. Mauri, N. Rhodes, E. Schooneveld et G. J. Sykora. « Real time Pulse Shape Discrimination in nanoparticle ZnS:Ag/⁶LiF neutron detectors ». Dans 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD), 1. IEEE, 2024. http://dx.doi.org/10.1109/nss/mic/rtsd57108.2024.10656390.

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Song, G., J. Park, S. Lee, W. Kim, H. Yun, D. Kim, S. Jang, K. Lee et G. Cho. « Performance Evaluation of Automatic Classification Algorithm for Acquisition Fast Neutron Radiography with Multi-Channel Pulse Shape Discrimination Results ». Dans 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD), 1. IEEE, 2024. http://dx.doi.org/10.1109/nss/mic/rtsd57108.2024.10655140.

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Diel, F., P. Eulgem et M. J. Neuer. « Monte-Carlo-Informed Shape Learning for Gain Shift Correction based on LaBr₃:Ce,Sr Intrinsic Activity ». Dans 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD), 1. IEEE, 2024. http://dx.doi.org/10.1109/nss/mic/rtsd57108.2024.10656430.

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Yang, Hao, et Hui Zhang. « Efficient 3D Room Shape Recovery from a Single Panorama ». Dans 2016 IEEE Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2016. http://dx.doi.org/10.1109/cvpr.2016.585.

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Peng, Fangrong, Tiexing Wang et Biao Chen. « Room shape reconstruction with a single mobile acoustic sensor ». Dans 2015 IEEE Global Conference on Signal and Information Processing (GlobalSIP). IEEE, 2015. http://dx.doi.org/10.1109/globalsip.2015.7418371.

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Rapports d'organisations sur le sujet "Room Shape"

Vandermeer, R. A. Shape memory effect in uranium-niobium alloys below room temperature. Final report. [6. 2 to 7. 0 wt % Nb]. Office of Scientific and Technical Information (OSTI), mars 1985. http://dx.doi.org/10.2172/5569116.

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Asenath-Smith, Emily, Ross Lieblappen, Susan Taylor, Reed Winter, Terry Melendy, Robert Moser et Robert Haehnel. Observation of crack arrest in ice by high aspect ratio particles during uniaxial compression. Engineer Research and Development Center (U.S.), février 2022. http://dx.doi.org/10.21079/11681/43145.

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In nature, ice frequently contains dissolved solutes or entrapped particles, which modify the microstructure and mechanical properties of ice. Seeking to understand the effect of particle shape and geometry on the mechanical properties of ice, we performed experiments on ice containing 15 wt% silica spheres or rods. Unique to this work was the use of 3-D microstructural imaging in a -10ºC cold room during compressive loading of the sample. The silica particles were present in the ice microstructure as randomly dispersed aggregates within grains and at grain boundaries. While cracks originated in particle-free regions in both sphere- and rod-containing samples, the propagation of cracks was quite different in each type of sample. Cracks propagated uninhibited through aggregates of spherical particles but were observed to arrest at and propagate around aggregates of rods. These results imply that spherical particles do not inhibit grain boundary sliding or increase viscous drag. On the other hand, silica rods were found to span grains, thereby pinning together the microstructure of ice during loading. These results provide insights into mechanisms that can be leveraged to strengthen ice.

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Eberlein, Robert, et Sven Düzel. Fatigue lifetime analysis of POM gears for generalized tooth root shapes. Universidad de los Andes, décembre 2024. https://doi.org/10.51573/andes.pps39.gs.ms.1.

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The current calculation methods for determining the tooth root load capacity of polymer gears (e.g., VDI 2736) are based on the same assumptions as those for steel gears. However, due to the non-linear material behavior, temperature, and rate dependency of polymers, these predictions are often inaccurate. A previous study employed rate-dependent nonlinear viscoplastic finite element (FE) modelling of polyoxymethylene (POM) to quantify material influences not considered in standard metal gear assumptions. A lifetime model was developed and validated to predict tooth root fracture based on rotational speed for a constant tooth root geometry. In this study, the existing damage model is adapted and validated to include the dependency on notch (tooth root) geometry. The extension of the model to two damage parameters allows for a geometry-independent representation of the nonlinear speed dependency of tooth root breakage. This correlative modelling approach incorporates two independent damage mechanisms inside the material which lead to tooth root breakage failure of the gear. To map these mechanisms, local material states at the crack initiation point are used as damage parameters. Calibration of the bi-parametric damage model with experimental data shows that model predictions fall within the experimental scatter. Further research is ongoing to extend the damage model regarding generalized torque loading conditions.

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Frisancho, Verónica, Alejandro Herrera et Eduardo Nakasone. Does Gender and Sexual Diversity Lead to Greater Conflict in the School ? Inter-American Development Bank, septembre 2022. http://dx.doi.org/10.18235/0004451.

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This paper analyzes the relationship between the presence of LGBTQI students in the class-room and the prevalence of violence in the school setting. We rely on a representative sample of secondary schools in Uruguay and exploit variation in the share of LGBTQI students across classrooms to study how their presence affects the individual experience of violence. Our results show little support for the contact hypothesis: a larger share of LGBTQI students in the classroom has no impact on the individual experience of violence. On the contrary, a greater share of female LGBTQI students in the classroom is associated with greater psychological and physical violence among girls, irrespective of their gender identity or sexual orientation.

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Van Sant, Amy, et Marlena Praprost. End-Use Savings Shapes Upgrade Package Documentation : Wall and Roof Insulation and New Windows. Office of Scientific and Technical Information (OSTI), septembre 2024. http://dx.doi.org/10.2172/2440621.

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Madrzykowski, Daniel, et Nicholas Dow. Residential Flashover Prevention with Reduced Water Flow : Phase 1. UL Firefighter Safety Research Institute, avril 2020. http://dx.doi.org/10.54206/102376/jegf7178.

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This study was designed to be an initial step to investigate the potential of low flow nozzles as part of a retrofit flashover prevention system in residential homes with limited water supplies. Not all homes have water supplies that can meet the needs of a residential sprinkler system. Current alter- natives, such as including a supplemental tank and pump, increase the cost of the system. These homes could benefit from an effective fire safety system with lower water supply requirements. The experiments in this study were conducted in a steel test structure which consisted of a fire room attached to a hallway in an L-shaped configuration. Three types of experiments were conducted to evaluate nozzles at different flow rates and under different fire conditions. The performance of the nozzles was compared to the performance of a commercially available residential sprinkler. The first set of experiments measured the distribution of the water spray from each of the nozzles and the sprinkler. The water spray measurements were made without the presence of a fire. The other two sets of experiments were fire experiments. The first set of fire experiments were designed to measure the ability of a water spray to cool a hot gas layer generated by a gas burner fire. The fire source was a propane burner which provided a steady and repeatable flow of heat into the test structure. Two water spray locations were examined, in the fire room and in the middle of the hallway. In each position, the burner was shielded from the water spray. The results showed that for equivalent conditions, the nozzle provided greater gas cooling than the sprinkler. The tests were conducted with a fire size of approximately 110 kW, and water flow rates in the range of 11 lpm (3 gpm) and 19 lpm (5 gpm). The second set of fire experiments used an upholstered sofa as the initial source of the fire with the water spray located in the same room. As a result of the compartment size and water spray distribution, the nozzle flowing water at 23 lpm (6 gpm) provided more effective suppression of the fire than the sprinkler flowing 34 lpm (9 gpm) did. The nozzle was similarly effective with the ignition location moved 1.0 m (3.2 ft) further away. However, the nozzle failed to suppress the fire with a reduced water flow rate of 11 lpm (3 gpm). The results of this limited study demonstrate the potential of low flow nozzles, directly flowing water on to the fuel surface, with the goal of preventing flashover. Additional research is needed to examine larger room sizes, fully furnished rooms, and shielded fires to determine the feasibility of a reduced water flow flashover prevention system.

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Firestone, Mary, Katerina Estera-Molina, Mengting Yuan, Christina Fossum, Alexa Nicolas, Naijia Xiao, Javier Ceja-Navarro et al. Directing Traffic in the Rhizosphere : How Phage and Fauna Shape the Flow and Fate of Root Carbon through Microbial Pathways. Office of Scientific and Technical Information (OSTI), novembre 2020. http://dx.doi.org/10.2172/1714356.

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Van Sant, Amy. End-Use Savings Shapes Upgrade Package Documentation : Wall and Roof Insulation, New Windows, LED Lighting, HP-RTU and ASHP-Boiler. Office of Scientific and Technical Information (OSTI), septembre 2024. http://dx.doi.org/10.2172/2441260.

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Brosnahan et DeVries. PR-317-10702-R01 Testing for the Dilation Strength of Salt. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), décembre 2011. http://dx.doi.org/10.55274/r0010026.

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A laboratory testing program on rock salt specimens was performed using test conditions that are consistent with the stresses that are experienced near the surfaces of salt caverns during storage operation. The proposed work effort focuses on improving the methodology for defining the onset of dilation for rock salt. Geomechanical studies use dilation criteria to assess the potential for salt damage that can lead to spalling in the cavern roof and/or walls and subsequent damage to the cavern or hanging string. This constraint is often the one that limits the minimum gas pressure in a natural gas storage cavern. This report documents the PRCI funded follow-on activities to the recently completed Gas Storage Technology Consortium project [DeVries, 2010]. The work activities completed include the following: Laboratory dilation strength testing of eight specimens having preconditioning durations longer than 10 days. Numerical modeling to identify and optimize an appropriate specimen shape for dilation testing in triaxial extension states of stress. Laboratory constant mean stress extension testing on the optimized specimen shape. DeVries [2010] documented the effects of the preconditioning durations on the dilation strength of salt specimens. Preconditioning of specimens is the process whereby specimens are subject to a relatively high hydrostatic stress for a specified period of time. It is believed that preconditioning mitigates some of the damage to the specimens induced by coring, transporting, and specimen preparation. The study documented by DeVries [2010] suggests that increasing the preconditioning duration increases the dilation strength of salt, with the maximum precondition duration limited to 10 days. This project expands upon these findings through additional testing to determine if preconditioning durations longer than 10 days has any additional benefit. In addition to the preconditioning task, this study will also investigate the variability issues observed during dilation strength tests performed under triaxial extension states of stress. It is hypothesized that the high variability seen in extensional test results might be attributed to end effects caused by (1) the friction at the specimen-platen interface and (2) specimens breaking outside the range measured by gages. To help reduce frictional effects and breakage location issues, numerical models of alternate specimen shapes were created to provide a basis for testing a new specimen geometry. Laboratory tests were performed on the new specimen geometry to validate any of its possible benefits.

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Grant, Catherine. People’s Agenda for Pandemic Preparedness. Institute of Development Studies, mai 2023. http://dx.doi.org/10.19088/cc.2023.004.

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In May 2023, the World Health Organization (WHO) announced that Covid-19 is no longer a health emergency. Now that the world is in this new period of living with the coronavirus, it is an important time to gather knowledge gained from our experiences. Over 50 researchers from 25 countries across six continents have come together to share the key lessons learned from the Covid-19 pandemic, the policies to mitigate it, and the impacts of these policies. Several resounding lessons emerged from across the globe that seemed to be at the root of many of the issues raised, including: resolving systemic issues; ensuring the most vulnerable are supported; increasing community involvement, and taking pandemic innovations forward for the future.

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