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Academic literature on the topic 'NEMD'

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Published: 4 June 2021
Last updated: 7 February 2022

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Journal articles on the topic "NEMD"

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Kröger, Martin. "NEMD-Computersimulation zur Rheologie von Polymerschmelzen / NEMD Computer Simulation of Polymer Melt Rheology." Applied Rheology 5, no. 2 (April 1, 1995): 66–71. http://dx.doi.org/10.2478/arh-1995-050205.

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Makhecha, Sukeshi, Amy Chan, Christina Pearce, Angela Jamalzadeh, and Louise Fleming. "Novel electronic adherence monitoring devices in children with asthma: a mixed-methods study." BMJ Open Respiratory Research 7, no. 1 (November 2020): e000589. http://dx.doi.org/10.1136/bmjresp-2020-000589.

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IntroductionAdherence monitoring to inhaled corticosteroids is an essential component of asthma management. Electronic monitoring devices (EMD) provide objective data on date, time and number of actuations. However, most give no information on inhalation. Novel EMD (NEMD) platforms have the potential to monitor both activation and inhalation.AimTo assess the feasibility of NEMDs, in terms of usability, acceptability to patients and healthcare professionals and accuracy.MethodsThis was an open-label, prospective, mixed-methods, pragmatic randomised study. Children with asthma attending specialist tertiary care were randomised to one of four NEMD: Remote Directly Observed Therapy (R-DOT), Hailie Smartinhaler, INhaler Compliance Assessment device (INCA) and the Rafi-tone App. Following monitoring, participants were invited to focus groups or one-to-one interviews. Usability and acceptability were evaluated using themes identified from the focus groups and interviews. Adherence accuracy was determined using adherence data from each NEMD.ResultsThirty-five children were recruited; 18 (51%), (11 males, median age 13.5 (7–16) years) completed monitoring, 14 (78%) provided feedback. Participants identified various features such as ease of use and minimal effort as desirable criteria for an NEMD. The Hailie and INCA fulfilled these criteria and were able to record both actuation and inhalation. Negative themes included a ‘Big Brother’ effect and costs.ConclusionThere was no ‘one size fits all’, as participants identified advantages and disadvantages for each NEMD. Devices that can easily calculate adherence to activation and inhalation have the potential to have greatest utility in clinical practice. Each NEMD has different functionality and therefore choice of platform should be determined by the needs of the patient and healthcare professional.
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SHENG, NI, and SHAOFAN LI. "A MULTI-SCALE NONEQUILIBRIUM MOLECULAR DYNAMICS ALGORITHM AND ITS APPLICATIONS." International Journal of Applied Mechanics 01, no. 03 (September 2009): 405–20. http://dx.doi.org/10.1142/s1758825109000289.

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In this paper, we introduce a multi-scale nonequilibrium molecular dynamics (MS-NEMD) model that is capable of simulating nano-scale thermal–mechanical interactions. Recent simulation results using the MS-NEMD model are presented. The MS-NEMD simulation generalises the nonequilibrium molecular dynamics (NEMD) simulation to the setting of concurrent multi-scale simulation. This multi-scale framework is based on a novel concept of multi-scale canonical ensemble. Under this concept, each coarse scale finite element (FE) node acts as a thermostat, while the atoms associated with each node are assumed to be in a local equilibrium state within one coarse scale time step. The coarse scale mean field is solved by the FE method based on a coarse-grained thermodynamics model; whereas in the fine scale the NEMD simulation is driven by the random force that is regulated by the inhomogeneous continuum filed through a distributed Nośe–Hoover thermostat network. It is shown that the fine scale distribution function is canonical in the sense that it obeys a drifted local Boltzmann distribution.
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Gong, Bo-Zhi, Bing-Jian Zhang, and Hui Zhang. "NEMD study for supercavitation mechanism with underwater object." Physics Letters A 372, no. 47 (November 2008): 7063–67. http://dx.doi.org/10.1016/j.physleta.2008.10.024.

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Rosario, J., M. S. Medow, H. E. Bostwick, M. S. Halata, S. Berezin, and S. M. Schwarz. "123 NONSPECIFIC ESOPHAGEAL MOTILITY DISORDERS (NEMD) IN CHILDREN." Journal of Pediatric Gastroenterology and Nutrition 19, no. 3 (October 1994): 360. http://dx.doi.org/10.1097/00005176-199410000-00135.

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Grmela, Miroslav. "Coupling between microscopic and macroscopic dynamics in NEMD." Physics Letters A 174, no. 1-2 (March 1993): 59–65. http://dx.doi.org/10.1016/0375-9601(93)90542-8.

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Macgowan, David, and Denis J. Evans. "A comparison of NEMD algorithms for thermal conductivity." Physics Letters A 117, no. 8 (September 1986): 414–16. http://dx.doi.org/10.1016/0375-9601(86)90009-5.

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Yu, Shi, Ruizhi Chu, Xiao Li, Guoguang Wu, and Xianliang Meng. "Nonequilibrium Molecular Dynamics Simulations of Coal Ash." Energies 14, no. 1 (December 22, 2020): 11. http://dx.doi.org/10.3390/en14010011.

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Both molecular dynamics (MD) and nonequilibrium molecular dynamics (NEMD) simulations were performed to simulate coal ashes using the Guillot-Sator model in this work. The structural and transport properties of coal ashes at high temperatures have been obtained. Superheating of coal ash system with anorthite crystal structure initial configuration has been observed for MD simulation which explains the discrepancy between previous MD simulation results and FactSage thermochemical calculations. The fluxing effects of both calcium oxide and sodium oxide have been investigated systematically through MD and NEMD simulations. Moreover, the viscosities of coal ash systems have been computed by two methods: (1) Stokes-Einstein equation; (2) NEMD simulations. Estimations of viscosities for various coal ash systems based on Stokes-Einstein equation exhibit a strong temperature dependence of viscosity, which agrees with previous experimental results. On the other hand, NEMD simulation results that showed a strong shear-thinning feature, failed to reproduce this strong temperature dependence of viscosity, possibly due to the short simulation time. Nevertheless, NEMD simulations not only provide us detailed information about atoms dynamics under shear, but also allow us to model the coal ash system far from equilibrium which cannot be accessed by thermodynamics calculation using software like FactSage.
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TSUI, PO-HSIANG, CHIEN-CHENG CHANG, and NORDEN E. HUANG. "NOISE-MODULATED EMPIRICAL MODE DECOMPOSITION." Advances in Adaptive Data Analysis 02, no. 01 (January 2010): 25–37. http://dx.doi.org/10.1142/s1793536910000410.

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The empirical mode decomposition (EMD) is the core of the Hilbert–Huang transform (HHT). In HHT, the EMD is responsible for decomposing a signal into intrinsic mode functions (IMFs) for calculating the instantaneous frequency and eventually the Hilbert spectrum. The EMD method as originally proposed, however, has an annoying mode mixing problem caused by the signal intermittency, making the physical interpretation of each IMF component unclear. To resolve this problem, the ensemble EMD (EEMD) was subsequently developed. Unlike the conventional EMD, the EEMD defines the true IMF components as the mean of an ensemble of trials, each consisting of the signal with added white noise of finite, not infinitesimal, amplitude. In this study, we further proposed an extension and alternative to EEMD designated as the noise-modulated EMD (NEMD). NEMD does not eliminate mode but intensify and amplify mixing by suppressing the small amplitude signal but the larger signals would be preserved without waveform deformation. Thus, NEMD may serve as a new adaptive threshold amplitude filtering. The principle, algorithm, simulations, and applications are presented in this paper. Some limitations and additional considerations of using the NEMD are also discussed.
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Gu, Kai, Charles B. Watkins, and Joel Koplik. "Atomistic hybrid DSMC/NEMD method for nonequilibrium multiscale simulations." Journal of Computational Physics 229, no. 5 (March 2010): 1381–400. http://dx.doi.org/10.1016/j.jcp.2009.10.035.

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Dissertations / Theses on the topic "NEMD"

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Bos�ko, Jaroslaw Tomasz, and jbosko@unimelb edu au. "Molecular simulation of dendrimers under shear." Swinburne University of Technology. Centre for Molecular Simulation, 2005. http://adt.lib.swin.edu.au./public/adt-VSWT20050804.141034.

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In this work flow properties of dendrimers are studied with the aid of molecular simulations. For the first time the results of the nonequilibrium molecular dynamics simulations of the dendrimers in the melt are reported. Molecules are modelled at the coarse-grained level using the bead-spring model. The objective of this research is to analyse the influence of the molecular topology in the macroscopic flow behaviour of the melts. Systems of dendrimers of generations 1 to 4 undergoing planar shear are compared to the melts composed of linear chain polymers. The internal structure and shape of dendrimers is extensively analysed. The response of the molecules to the shearing in the form of stretching and alignment is studied. The correlation between the onset of shear thinning and the onset of deformation of molecules is observed. The changes in the fractal dimensionality of dendrimers due to shearing are also analysed. Dendrimers, due to their highly branched structure and compact globular conformations in the melt, are found to behave differently when sheared, compared to traditional linear polymers. Unlike linear polymers, they do not undergo transition form the Rouse to the reptation regimes. This effect is explained in terms of the suppressed entanglement between molecules. Moreover, dendrimers when compared to linear chain systems exhibit lower Newtonian viscosity, onset of the shear thinning at higher strain rates, and less pronounced shear thinning in the non-Newtonian regime. They can be used as rheology modifiers, as it is shown in the preliminary results obtained from the simulations of the dendrimers-linear polymer blends. In agreement with other theoretical and experimental studies, dendrimers in the melt are found to have compact space-filling structure with terminal groups distributed throughout the interior of the molecule. Suggestions for the further study of dendrimers via molecular simulations are made.
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Strong, Kalmia Elizabeth. "We need some space. We need to talk." Thesis, University of Iowa, 2015. https://ir.uiowa.edu/etd/1768.

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Ellis, Megan. "Need: Stories." Honors in the Major Thesis, University of Central Florida, 2014. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1588.

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The intent of this thesis is to create a literary fiction collection centered on diverse adolescent girls. In recent years, women writers have moved away from the domestic sphere of authors whose writing focused solely on the daily lives of women, and have begun penning epic stories and novels whose themes were previously tackled by men alone. Authors show that the craft of expansive and immersive literary fiction transcends gender, allowing women more freedom with the types of stories they choose to write. That’s not to say that domestic fiction is unimportant or "less than" other types of literary fiction, however. The difference is in choice—women are free to create works in other genres, forms, and conventions separate from domestic fiction, but can also reclaim and reinvent the genre to show the importance of everyday women. Each story in this collection highlights the complex lives of adolescent girls while exploring universal themes of women from a literary fiction rather than young adult fiction perspective. Issues such as sexuality, virginity, and popularity—which all girls experience at least tangentially—are often relegated to young adult fiction. Their purpose is to build a relationship of trust between characters and readers who are experiencing the same confusing period. Literary fiction allows deeper exploration into these issues, showing how larger psychological and societal problems result in adolescent physical manifestations, such as the sexualization and commodification of women’s bodies. This thesis will add to the current literary conversation by highlighting teenage girls, a demographic whose importance is often downplayed by modern society.
B.A.
Bachelors
English
Arts and Humanities
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Martins, Valter. "Nem senhores, nem escravos." [s.n.], 2012. http://hdl.handle.net/1884/27093.

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Ulrey, Kathleen S. "Dinner needs cooked, groceries need bought, diapers need changed, kids need bathed tra[c]king the progress of need + past participle across the United States /." Muncie, Ind. : Ball State University, 2009. http://cardinalscholar.bsu.edu/716.

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Rodriguez, Carlos, and carlos_rodriguez_98@yahoo com. "The need for." RMIT University. School of Global Studies, Social Science and Planning, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20061115.164324.

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This thesis explores how planning for sustainable development can be enhanced in Australia with a particular focus on strategic plans. Today, the concept of sustainable development has not been fully operationalised into plans; market and political forces still play a predominant role in planning practice. Nevertheless, some authors believe that the concept of sustainable development has reinvigorated planning. For example, there is an extensive literature on this topic within planning theory, although in practice, sustainable development has been difficult to implement. This thesis after acknowledging the relevance of economy and politics, provides an alternative approach to operationalise sustainable development in plans through a technical perspective. This perspective is based on the examination, from literature, of several techniques which deal with sustainable development. The central idea is that these techniques can be embraced under one concept,
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Houtkooper, Linda, and Jaclyn Maurer. "Calorie Need Estimates." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2006. http://hdl.handle.net/10150/146643.

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2 pp.
The energy content of food is measured in calories. The number of calories, or energy, an athlete needs to maintain weight depends upon: age, body weight, gender, Resting Energy Expenditure (REE) and physical Activity Energy Expenditure (AEE) levels.
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Dineen, Christina. "Interrogating need : on the role of need in matters of justice." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/33124.

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Need is a concept that carries intuitive appeal in moral decision-making. As it stands, need is relatively under-theorised, given its currency not just in philosophical argumentation but in news coverage, charitable appeals, and political practice. Need claims carry compelling normative force, and they are amenable to widespread support as our most basic needs are some of the things we most transparently share with our fellow human beings. However, how should we understand that normative force? Is need best understood to compel us as a matter of justice? I begin my account by considering the kind of need relevant to the project. I build from an understanding of need as a three-place relation, which is by its nature needing for a purpose. I suggest that morally important needs are those which aim at the objective interests that all people have in virtue of what is good for each of us qua human beings ('non-arbitrary needs'). Further, I distinguish the existentially urgent subset of those non-arbitrary needs as 'basic needs.' Given this understanding, I consider how basic needs theory relates to its conceptual neighbours. I focus on capabilities as the nearest neighbours, but also comment on wants, interests, and rights. I judge that the theories developed by Martha Nussbaum (capabilities) and Len Doyal and Ian Gough (needs) benefit from a complementary reading, with each supplementing the other. I then draw from Amartya Sen's early writings on capabilities to ultimately see capabilities and needs as two sides of the same coin. This helps to situate needs theory in relation to a mainstream branch of political theory more generally, and indicates that we can recognise the special significance of needs without eschewing other morally important categories. I then move to establish a scope of justice that allows us to distinguish between duties of justice and other moral duties. If we think that duties of beneficence are weak and optional, whereas duties of justice are binding and enforceable, a great deal rides on how we characterise our duties to the global poor. I offer a 'moral enforceability' account, claiming that duties of justice are those which are, in principle, morally enforceable. It is the in-principle enforceability of justice duties which gives them teeth. Returning to need, I then ask how another's need comes to give me a moral reason for action. I canvas a range of existing accounts, many of which furnish important insights. I then propose that it is the morally relevant capacities of the being in need which gives them moral status such that their needing is morally significant. We are morally required to answer this need with responsiveness, as a demonstration of appropriate respect for the sort of being that the human in need is. If this is right, we are morally required to be responsive to need, even if we are not always required to reduce it. Finally, I bring the diverse strands of the foregoing argument together to return to the relationship between need and justice. I consider what a duty of responsiveness might amount to in practice, and suggest that our duties of responsiveness are best thought of as collective duties, grounded in the capacity of the global well-off to contribute. Further, I argue that duties of responsiveness are a matter of justice, as they are the sort of duties that are, in principle, morally enforceable. A wide range of threats to the necessary conditions for human flourishing, and even human life, are on the horizon, and many of these are uniquely collective challenges. The seriousness of those challenges, and the extent to which we have treated our responsibilities to those in need as discretionary in the past, means collective action and problem solving are called for when there are no easy answers.
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Silva, Marcus Vinícius da 1981. "Adoniran Barbosa = nem trabalho, nem malandragem." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/270107.

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Orientador: Mário Luiz Frungillo
Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Estudos da Linguagem
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Resumo: Este trabalho propõe uma reflexão sobre os elementos temáticos e estéticos presentes nas canções de Adoniran Barbosa, essencialmente em suas letras, que despertaram interesse de seus mediadores no resgate do samba "autêntico", durante o processo de redefinição da MPB, que se deu entre os anos 60 e 70. Para isso, pretende-se observar as letras de suas canções presentes nos três primeiros elepês: Adoniran Barbosa 1974, Adoniran Barbosa 1975, e Adoniran e Convidados, de 1980. Esse recorte visa levantar quais foram os possíveis critérios de escolha das canções por seus produtores culturais, e analisar, a partir dos contextos político, econômico e sócio-cultural, que fatores possivelmente influenciaram na concepção de algumas dessas obras, bem como de que forma diversas dessas canções foram lidas e entendidas mais de vinte anos após serem compostas. A dissertação está dividida em duas partes. A primeira parte é composta por dois capítulos. O primeiro abrange a trajetória de análise da obra de Adoniran. Nesse capítulo, procura-se contextualizar o artista como parte do processo de racionalização da indústria cultural no Brasil - a partir dos conceitos frankfurtianos - e como esse processo, que acontece em concomitância com um momento de grandes tensões políticas e ideológicas, durante o regime militar, permite a consolidação de um cenário único e propício para a formação da MPB renovada. O resgate da figura de Adoniran nesse momento, na minha perspectiva, tem um significado político, ideológico e cultural bastante importante e singular no processo de construção e consolidação da música e da cultura brasileira. No segundo capítulo, pretende-se fazer um levantamento das principais críticas feitas sobre os álbuns que fazem parte do corpus da análise, essencialmente presentes em periódicos e nos encartes de seus elepês, com o objetivo de revelar de que maneira jornalistas, intelectuais e críticos de música influenciaram na constituição da presença de Adoniran na tradição do samba. Já a segunda parte da dissertação dedica-se à análise das canções presentes no corpus, procurando desenvolver, em dois capítulos diferentes, o caráter ambíguo das canções de Adoniran Barbosa inseridas em três debates recorrentes no contexto da MPB renovada: trabalho x malandragem; tradição x progresso; som local x som universal. No primeiro capítulo, o objetivo é realizar uma leitura das canções de Adoniran que refletem, do ponto de vista da recepção, um caráter de resistência à ordem vigente e à ética do trabalho, mas ao mesmo tempo caminham em rumo contrário ao discurso da malandragem tradicional dos sambas cariocas. É outra forma de resistência, que assume caráter de denúncia ao universo suburbano do trabalho. O segundo capítulo diz respeito essencialmente ao entendimento de uma postura crítica e contrária ao ideal de progresso assumido pela elite paulistana, que entendia São Paulo como a locomotiva do país desde o início do século. Ainda nesse capítulo, pretende-se desenvolver um debate estético e ideológico existente no cenário da música brasileira desse período, anos 60 e 70, tendo por um lado o som local, "autêntico" e "de raiz", representado pela MPB renovada, e o som universal, "inovador" e "moderno", representado pela Jovem Guarda e pela Tropicália
Abstract: This dissertation proposes an extended treatment on the aesthetic and thematic features of songs by Adoniran Barbosa, mainly in his lyrics, which led to interest of cultural agents in the rescue of the "authentic" samba, throughout the process of redefinition of MPB (Brazilian Popular Music), from the 60?s to the late 70?s. In order to do so, the song lyrics presented in his first three LPs were studied: Adoniran Barbosa 1974, Adoniran Barbosa 1975, and Adoniran and Guests 1980. In the period chosen we have questioned what the criteria for choosing the songs were, from the perspective of cultural producers, and analyzed possible influences in the composition of some of these works, according to political, economic and socio-cultural contexts, as well as how several of these songs have been read and understood over twenty years later. The thesis is divided into two parts. The first part consists of two chapters. The first covers the line of development of Adoniran?s work. In this chapter, the artist is contextualized as part of the rationalization process of the cultural industry in Brazil - according to Frankfurt School concepts - and this process, which happens to coincide with a time of great political and ideological tension, during the military regime, is comprehended as the consolidation of a unique and conducive scenario that allows the formation of the renewed MPB. The rescue of the figure of Adoniran at that point, in my view, has a political, ideological and cultural meaning which is very important and unique in the construction and consolidation of Brazilian music and culture. In the second chapter, the main criticisms on the analyzed albums were studied, mostly from newspapers and LP inserts, with the objective to expose how journalists, intellectuals and music critics have influenced the constitution of Adoniran?s presence in the tradition of samba. The second part of the dissertation, also in two different chapters, is the analysis of the lyrics presented in the corpus, aiming to develop the ambiguous character of Adoniran Barbosa?s songs in relation to three recurring debates in the context of renewed MPB: work x truancy; tradition x progress; local sound x universal sound. In the first chapter, the goal is to read Adoniran songs, from a perspective of reception, as resistance to the existing order and work ethics, as they take an opposite direction from the traditional discourse of truancy presented in sambas from Rio. It's a way of resistance, which denounces the universe of suburban work. The second chapter is dedicated to the understanding of the São Paulo elite?s posture of criticism and opposition to an ideal of progress, as they believe the state to be "the locomotive of the country" since the beginning of the century. Also in this chapter, we have presented the aesthetical and ideological debate in the Brazilian music from that period, the 60's and the 70's: on one hand the local, "authentic" and "native/root" sound, represented by the renewed MPB; on the other, the universal, "innovative" and "modern" sound, represented by Jovem Guarda and Tropicália
Mestrado
Literatura e Outras Produções Culturais
Mestre em Teoria e História Literária
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Meurer, Cleusa Maria Antunes. "Creche domiciliar :: nem escola, nem família /." Florianópolis, SC, 1994. http://repositorio.ufsc.br/xmlui/handle/123456789/76168.

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Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Educação.
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Books on the topic "NEMD"

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Die Bildung der Bedürfnisse: Bildungstheoretische, sozialphilosophische und moralpädagogische Perspektiven. Paderborn: Schöningh, 2008.

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Wilhelm, Berger. Das Bedürfnis und sein Schatten: Vorarbeiten zu einer philosophischen Anthropologie. Freiburg: Verlag K. Alber, 1992.

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Human needs and the market. Aldershot, Hants, England: Avebury, 1992.

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Gronemeyer, Marianne. Die Macht der Bedürfnisse: Überfluss und Knappheit. Darmstadt: Primus, 2002.

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Gronemeyer, Marianne. Die Macht der Bedürfnisse: Reflexionen über ein Phantom. Reinbek bei Hamburg: Rowohlt Taschenbuch, 1988.

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Thomson, Robert. Need: Stories. Toronto, Ont: Riverbank Press, 1999.

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Envy. [New York]: New York Public Library, 2003.

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Morals based on needs. Lanham: University Press of America, 1995.

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Walter, J. A. All you love is need. London: S.P.C.K., 1985.

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Naumkin, Aleksandr. S vysokogo krylʹt͡s︡a: Stikhi i poėmy. Sankt-Peterburg: Bibliopolis, 1995.

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Book chapters on the topic "NEMD"

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Berker, Ali, Simon Chynoweth, and Yanos Michopoulos. "NEMD Simulations and the Rheology of Liquid Hydrocarbons." In Microscopic Simulations of Complex Hydrodynamic Phenomena, 105–9. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4899-2314-1_8.

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Lalinský, Tibor, Milan Držík, Jiří Jakovenko, and Miroslav Husák. "GaAs Thermally Based MEMS Devices—Fabrication Techniques, Characterization and Modeling." In MEMS/NEMS, 383–443. Boston, MA: Springer US, 2006. http://dx.doi.org/10.1007/0-387-25786-1_12.

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Richter, Andreas. "Hydrogel-based μTAS." In MEMS/NEMS, 473–503. Boston, MA: Springer US, 2006. http://dx.doi.org/10.1007/0-387-25786-1_14.

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Ergun, A. S., G. G. Yaralioglu, O. Oralkan, and B. T. Khuri-Yakub. "MEMS/NEMS Techniques and Applications." In MEMS/NEMS, 553–615. Boston, MA: Springer US, 2006. http://dx.doi.org/10.1007/0-387-25786-1_16.

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Bae, Byunghoon, Kyihwan Park, and Mark A. Shannon. "MEMS Application of Actuators and Sensors for Glaucoma Treatment." In MEMS/NEMS, 1386–428. Boston, MA: Springer US, 2006. http://dx.doi.org/10.1007/0-387-25786-1_35.

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Dobelli, Rolf. "Neid." In Klar denken, klug handeln, 360–63. München: Carl Hanser Verlag GmbH & Co. KG, 2015. http://dx.doi.org/10.3139/9783446445147.090.

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Bucher, Anton. "Neid." In Geiz, Trägheit, Neid & Co. in Therapie und Seelsorge, 39–61. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-04907-1_3.

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Weik, Martin H. "nerd." In Computer Science and Communications Dictionary, 1080. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_12178.

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Heimsoeth, Antje. "Neid." In Frauenpower, 159–63. Wiesbaden: Springer Fachmedien Wiesbaden, 2018. http://dx.doi.org/10.1007/978-3-658-20431-0_11.

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Yoda, Minami, Jean-Luc Garden, Olivier Bourgeois, Aeraj Haque, Aloke Kumar, Hans Deyhle, Simone Hieber, et al. "NEMS." In Encyclopedia of Nanotechnology, 1878. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9751-4_100587.

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Conference papers on the topic "NEMD"

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Hoover, Wm G., and Carol G. Hoover. "Three lectures: NEMD, SPAM, and shockwaves." In NONEQUILIBRIUM STATISTICAL PHYSICS TODAY: Proceedings of the 11th Granada Seminar on Computational and Statistical Physics. AIP, 2011. http://dx.doi.org/10.1063/1.3569486.

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Bharathi, Arvind Krishnasamy, and Adri van Duin. "Analysis of Thermal Transport in Zinc Oxide Nanowires Using Molecular-Dynamics Simulations With the ReaxFF Reactive Force-Field." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22733.

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The objective of this paper is to determine the thermal conductivity of Zinc Oxide nanowire by Steady State Non-equilibrium and Transient Non-equilibrium Molecular Dynamics (SS-NEMD and T-NEMD) simulations using the ReaxFF reactive force field [5]. While SS-NEMD uses an equilibrated system and statistical averaging; T-NEMD uses cooling/heating rates in order to calculate the conductivity. The validity of the methods is first verified using Argon as a test case. The thermal conductivity of Argon thus calculated is compared with those presented by Bhowmick and Shenoy [20]. We then study the effects of system size using SS-NEMD method while effects of periodic boundary conditions — 1D, 2D and bulk variation of conductivity with temperature are analyzed using T-NEMD simulations. The results obtained compare favorably with those measured experimentally [12, 13]. Thus the SS-NEMD and T-NEMD methods are alternatives to the traditional Green-Kubo approach. In conjunction with ReaxFF, they are computationally cheaper than the Green-Kubo method and can be used to determine the thermal conductivity of materials involved in surface chemistry reactions such as catalysis and sintering.
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Chang, Tai-Ming, Chien-Chou Weng, and Mei-Jiau Huang. "A NEMD Study of the Thermal Conductivity and Surface Roughness of Silicon Thin Films." In 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2008. http://dx.doi.org/10.1115/micronano2008-70331.

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The nonequilibrium molecular dynamics (NEMD) approach is adopted in this work to calculate the in-plane lattice thermal conductivity of Silicon thin films. In the simulation, the Stillinger-Weber (SW) potential is employed to capture both two-body and three-body interactions. The periodic boundary conditions are applied in the in-plane directions of a thin film. An additional surface potential is added to atoms that are near the surfaces. This surface potential imposes a force normal to the plane to prevent atoms from evaporation. A constant heat flux is generated by injecting energy into the system somewhere and withdrawing energy somewhere else via the velocity rescaling method. After a sufficiently long simulation time, the time-averaged temperature distribution is calculated and then the thermal conductivity can be obtained by the Fourier’s law. When the average temperature of the system is lower than the Debye temperature (θD = 645 K for Si), quantum corrections to both the MD temperature and the thermal conductivity are carried out. To speed up the computation, the present MD tool is parallelized based on a spatial decomposition technique. In this study, we attempt to investigate the relationship among the model parameters of the surface potential, the surface roughness, and the specular reflection fraction at the boundary that is often used in many theoretical studies.
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Sheik Said, Normahdiah. "X-factor in A Multimedia Engagement Behaviour The NEMD Model (Norma™ Engagement Multimedia Design Model)." In Annual International Conferences on Computer Games, Multimedia and Allied Technology. Global Science & Technology Forum (GSTF), 2011. http://dx.doi.org/10.5176/978-981-08-8644-8_cgat11-29.

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Saha, Sanjoy, and Li Shi. "Molecular Dynamics Simulation of Thermal Transport at Nanometer Size Point Contacts on a Planar Silicon Substrate." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72308.

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A Non Equilibrium Molecular Dynamics (NEMD) simulation has been used to calculate the temperature distribution in the substrate side of a nanometer scale point contact on a planar silicon substrate with different doping concentrations and contact radii. The size of the non-uniform temperature zone was found to approach the average nearest-neighbor distance of impurity dopants when the contact radius was reduced below this distance. At a contact radius of 0.5 nm, the calculated spreading thermal resistance at the nano-point contact agrees with those obtained using two phonon transport models. At a contact radius between 1 nm and 6 nm, however, the spreading resistance from the NEMD is much larger than those from the two models that assume small deviation from the equilibrium distribution.
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Macpherson, Graham B., and Jason M. Reese. "Molecular Dynamics for Near Surface Flows in Nano Liquid and Micro Gas Systems." In ASME 4th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2006. http://dx.doi.org/10.1115/icnmm2006-96170.

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Conventional fluid mechanics (Navier–Stokes equations with linear constitutive relations) is, on the whole, applicable for simulating very small scale liquid and gas systems. This changes (for simple fluids) only in the vicinity of solid surfaces (approximately 5 molecular diameters for liquids, or one mean free path for gases) or under very high temperature or velocity gradients. It is shown that typical experimental conditions in practical systems do not give rise to gradients of this magnitude. Therefore, only surface effects cause significant deviation from results expected by conventional fluid mechanics. In micro and nano systems, however, large surface area to volume ratio means that the detail of boundary conditions and near surface dynamics can dominate the flow characteristics. In this paper, the use of non–equilibrium molecular dynamics (NEMD) to study these fluid mechanics problems in an engineering simulation context is discussed. The extent of systems that can be studied by NEMD, given current computational capabilities, is demonstrated. Methods for reducing computational cost, such as hybridisation with continuum based fluid mechanics and extracting information from a small representative systems are also discussed. Non–equilibrium surface effects in gas micro systems may also been studied using NEMD. These occur at boundaries in the form of discontinuities (velocity slip and temperature jump) and within approximately one mean free path of a surface, in the form of a Knudsen layer. The distributions of molecular velocities, free path between collisions and time spent in collision have been calculated for an unbounded equilibrium fluid. The influence of a solid surface on the state of a fluid or flow can be investigated by measuring how these fundamental properties are affected.
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Tokunaga, Atsushi, Gyoko Nagayama, and Takaharu Tsuruta. "A Study on Inverted Temperature Profile Based on Nonequilibrium Molecular Dynamics Simulation." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22801.

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Problem of the inverted temperature profile in condensation has been discussed at length in kinetic theory. The possible occurrence of the inverted temperature profile raised serious doubts about the validity of the previous theory, because the result seemed physically unreasonable. In this study, nonequilibrium molecular dynamics (NEMD) simulation with two facing surfaces of evaporation and condensation is carried out in order to obtain further evidence for the occurrence of the inverted temperature profile. Heat and mass transfer rates across the liquid-vapor interface during the condensation of argon are calculated for different nonequilibrium conditions given by changing the temperature of evaporating surface. From a view point of irreversible thermodynamics, the criteria for the inverted temperature profile are examined with the NEMD data and we have a conclusion that the inverted temperature profile may occur without contradiction to the second law of thermodynamics. In addition, we found that the molecular reflection at the condensing surface has an important role in the inverted temperature phenomenon. The reflected molecules do not accommodate with the condensing surface so that those molecules raise the temperature in the vicinity of the condensing surface under the nonequilibrium conditions.
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Liang, Ting, Ping Zhang, Peng Yuan, Man Zhou, and Siping Zhai. "Interfacial Thermal Conductance and Thermal Rectification Across In-Plane Graphene/h-BN Heterostructures With Different Bonding Types." In ASME 2019 6th International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/mnhmt2019-4159.

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Abstract The in-plane graphene/hexagonal boron nitride (Gr/h-BN) heterostructures have received extensive attention in recent years due to their excellent physical properties and the development potential of next-generation nanoelectronic devices. Generally, different bonding types between Gr and h-BN are considered in different non-equilibrium molecular dynamics (NEMD) simulations studies. However, which type of bonding is most conducive to interface thermal transport is still very confusing. In this work, we investigate the interfacial thermal conductance (ITC) and the thermal rectification (TR) in five different bonding types of in-plane Gr/h-BN heterostructures by using NEMD simulations. It is found that the ITC depends strongly on the bonding strength and arrangement of different atoms across the boundary. Among the five different bonding types of heterostructures, the C-N bonded heterojunction exhibits the highest ITC due to its stronger interfacial bonding. The analyses on the strain distribution indicated that a low interfacial stress level at the interface junction, may facilitate the heat conduction, thus leading to a higher ITC. In addition, we found that TR occurs in all five bonded heterostructures, and the C-B bonded heterojunction possesses the highest TR factor. The present study is of significance for understanding the thermal transport behavior of Gr/h-BN heterostructures and promoting their future applications in thermal management and thermoelectric devices.
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Chen, Weiyu, Zhonghua Ni, Juekuan Yang, Yan Zhang, Deyu Li, and Yunfei Chen. "The Effects of Van Der Waals Bonding Strength on the In-Plane Lattice Thermal Conductivities of Multilayer Thin Films." In ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/mnhmt2012-75227.

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A non-equilibrium molecular dynamics (NEMD) simulation model is established to investigate the impact of vdW strength on thermal transport along the in-plane direction in argon bi-layer films (BLFs) and silicon BLFs. Simulation results indicate that higher strength leads to a higher in-plane thermal conductivity. However, interface roughness also increases with the continuous increase of the van der Waals (vdW) strength and leads to the reduction of thermal conductivities. The bonding strength does play an important role in manipulating thermal conductivity of multilayer thin films.
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Seyf, Hamid Reza, and Yuwen Zhang. "Normal and Explosive Boiling of Argon on Nanostructured Copper Surface: A Molecular Dynamics Study." In ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ht2013-17002.

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Nonequilibrium molecular dynamics (NEMD) is carried out to investigate the normal and explosive boiling of thin film adsorbed on a metal substrate whose surface is structured by an array of nanoscale spherical copper particles. It is found that superheat degree and size of nanoparticles have significant influences on the location of atoms at multiple times and net evaporation rate. For the cases with nanostructure, liquid respond very quickly and evaporation rate increase with increasing the size of particles from 1 to 2 nm while it decreases for particles diameter of 3 nm.
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Reports on the topic "NEMD"

1

McLean, Charles, and Swee Leong. Industrial need:. Gaithersburg, MD: National Institute of Standards and Technology, 1997. http://dx.doi.org/10.6028/nist.ir.6019.

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Burns, Gerald. Need assessment methodology. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.1914.

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Atkins, Sheryl G. The Air Expeditionary Force: What You Need, When You Need It. Fort Belvoir, VA: Defense Technical Information Center, June 1997. http://dx.doi.org/10.21236/ada328215.

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Robey, Robert W. The Need for Reproducibility. Office of Scientific and Technical Information (OSTI), June 2016. http://dx.doi.org/10.2172/1259635.

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Lozier, D. W., and P. R. Turner. Supercomputers need super arithmetic. Gaithersburg, MD: National Institute of Standards and Technology, 1989. http://dx.doi.org/10.6028/nist.ir.89-4135.

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Rainville, Chuck. Adults Need More Exercise. AARP Research, July 2017. http://dx.doi.org/10.26419/res.00059.004.

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Marshak, Ronni. I Need Help Now! Boston, MA: Patricia Seybold Group, July 2010. http://dx.doi.org/10.1571/psgp07-15-10cc.

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Fergusson, Leopoldo, James Robinson, Ragnar Torvik, and Juan Vargas. The Need for Enemies. Cambridge, MA: National Bureau of Economic Research, August 2012. http://dx.doi.org/10.3386/w18313.

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Hansen, Donald H. Dual Compensation - Need for Change. Fort Belvoir, VA: Defense Technical Information Center, April 1988. http://dx.doi.org/10.21236/ada194396.

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Sherman, Max H. Houses need to breathe--right? Office of Scientific and Technical Information (OSTI), October 2004. http://dx.doi.org/10.2172/840032.

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