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Teses / dissertações sobre o tema "PCM memory"

Autor: Grafiati
Publicado: 7 de julho de 2024
Última modificação: 31 de julho de 2025

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1

Grönberg, Axel. "Emerging Non-Volatile Memory and Initial Experiences with PCM Main Memory." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-407070.

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A group of new non-volatile memory technologies with characteristics making them worthy of consideration for different parts of the memory hierarchy, including the main memory, are emerging. In this thesis I discuss the state of STT-RAM, ReRAM and PCM technologies which are three of the front runners in this group of new technologies. I also simulate the performance of PCM used as main memory using Intel’s binary instrumentation framework Pin and compare it to DRAM to explore three research questions. Firstly, in the case of horizontally integrated PCM and DRAM I test a data mapping policy whe
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2

Seong, Nak Hee. "A reliable, secure phase-change memory as a main memory." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/50123.

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The main objective of this research is to provide an efficient and reliable method for using multi-level cell (MLC) phase-change memory (PCM) as a main memory. As DRAM scaling approaches the physical limit, alternative memory technologies are being explored for future computing systems. Among them, PCM is the most mature with announced commercial products for NOR flash replacement. Its fast access latency and scalability have led researchers to investigate PCM as a feasible candidate for DRAM replacement. Moreover, the multi-level potential of PCM cells can enhance the scalability by increasin
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3

SELMO, SIMONE. "Functional analysis of In-based nanowires for low power phase change memory applications." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2017. http://hdl.handle.net/10281/153247.

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Phase change memories (PCMs), based on chalcogenide alloys (mainly Ge2Sb2Te5), are the most promising candidate for the realization of “Storage Class Memories”, which would fill the gap between ‘‘operation’’ and ‘‘storage’’ memories. PCMs are also one of the few currently available technologies for the implementation of nanoeletronic synapses in high density neuromorphic systems. The main improvements needed in order to exploit the full potential of PCMs in these innovative applications are the reduction of the programming currents and power consumption, and further cell downscaling. Thanks to
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4

Garbin, Daniele. "Etude de la variabilité des technologies PCM et OxRAM pour leur utilisation en tant que synapses dans les systèmes neuromorphiques." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT133/document.

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Le cerveau humain est composé d’un grand nombre de réseaux neuraux interconnectés, dont les neurones et les synapses en sont les briques constitutives. Caractérisé par une faible consommation de puissance, de quelques Watts seulement, le cerveau humain est capable d’accomplir des tâches qui sont inaccessibles aux systèmes de calcul actuels, basés sur une architecture de type Von Neumann. La conception de systèmes neuromorphiques vise à réaliser une nouvelle génération de systèmes de calcul qui ne soit pas de type Von Neumann. L’utilisation de mémoire non-volatile innovantes en tant que synapse
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5

Balasubramanian, Sanchayeni. "Improving Hard Disk Drive Write IO Performance with Phase Change Memory as a Buffer Cache." University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1511881125562903.

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6

Baek, Seungcheol. "High-performance memory system architectures using data compression." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/51863.

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The Chip Multi-Processor (CMP) paradigm has cemented itself as the archetypal philosophy of future microprocessor design. Rapidly diminishing technology feature sizes have enabled the integration of ever-increasing numbers of processing cores on a single chip die. This abundance of processing power has magnified the venerable processor-memory performance gap, which is known as the ”memory wall”. To bridge this performance gap, a high-performing memory structure is needed. An attractive solution to overcoming this processor-memory performance gap is using compression in the memory hierarchy. In
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7

Trabelsi, Ahmed. "Modulation des niveaux de résistance dans une mémoire PCM pour des applications neuromorphiques." Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALT027.

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La croissance exponentielle des données au cours des dernières années a entraîné une augmentation significative de la consommation d'énergie, créant ainsi un besoin urgent de technologies de mémoire innovantes pour surmonter les limitations des solutions conventionnelles. Cette inondation de données a entraîné une augmentation prévue de la consommation dans les centres de données, avec une multiplication par quatre des données d'ici 2025 par rapport au volume actuel. Pour relever ce défi, des technologies de mémoire émergentes telles que la RRAM (RAM résistive), la PCM (mémoire à changement de
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8

Jensen, Peter, and Christopher Thacker. "A NEW GENERATION OF RECORDING TECHNOLOGY THE SOLID STATE RECORDER." International Foundation for Telemetering, 1998. http://hdl.handle.net/10150/607372.

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International Telemetering Conference Proceedings / October 26-29, 1998 / Town & Country Resort Hotel and Convention Center, San Diego, California<br>The Test & Evaluation community is starting to migrate toward solid state recording. This paper outlines some of the important areas that are new to solid state recording as well as examining some of the issues involved in moving to a direct recording methodology. Some of the parameters used to choose a solid state memory architecture are included. A matrix to compare various methods of data recording, such as solid state and magnetic tape r
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9

Kiouseloglou, Athanasios. "Caractérisation et conception d' architectures basées sur des mémoires à changement de phase." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT128/document.

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Les mémoires à base de semi-conducteur sont indispensables pour les dispositifs électroniques actuels. La demande croissante pour des dispositifs mémoires fortement miniaturisées a entraîné le développement de mémoires non volatiles fiables qui sont utilisées dans des systèmes informatiques pour le stockage de données et qui sont capables d'atteindre des débits de données élevés, avec des niveaux de dissipation d'énergie équivalents voire moindres que ceux des technologies mémoires actuelles.Parmi les technologies de mémoires non-volatiles émergentes, les mémoires à changement de phase (PCM) s
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10

Navarro, Gabriele. "Analyse de la fiabilité de mémoires à changement de phase embarquées basées sur des matériaux innovants." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-01061792.

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Les Mémoires ont de plus en plus importance à l'époque actuelle, et sont fondamentales pour la définition de tous les systèmes électroniques avec lesquels nous entrons en contact dans notre vie quotidienne. Les mémoires non-volatiles (NVM), représentées par la technologie Flash, ont pu suivre jusqu'à présent l'effort à la miniaturisation pour satisfaire la demande croissante de densité de mémoire exigée par le marché. Cependant, la réduction de la taille du dispositif de mémoire est de plus en plus difficile et la complexité technologique demandé a augmenté le coût par octet. Dans ce contexte,
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11

Pigot, Corentin. "Caractérisation électrique et modélisation compacte de mémoires à changement de phase." Electronic Thesis or Diss., Aix-Marseille, 2019. http://www.theses.fr/2019AIXM0185.

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La mémoire à changement de phase (ou PCM) est considérée actuellement comme la plus mature des technologies émergentes susceptibles de pallier les limitations de la mémoire Flash-NOR pour le futur des applications embarquées. Afin de permettre la conception de circuits à base de PCM, l’utilisation d’outils tels que la simulation SPICE est nécessaire, impliquant le besoin de modèles compacts de PCM. Ces modèles doivent être rapides, continus, et précis ; à ce jour aucun modèle de la littérature ne remplit l’ensemble de ces exigences.L’objectif de cette thèse est de proposer un nouveau modèle co
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12

Bayle, Raphaël. "Simulation des mécanismes de changement de phase dans des mémoires PCM avec la méthode multi-champ de phase." Thesis, Institut polytechnique de Paris, 2020. http://www.theses.fr/2020IPPAX035.

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Les mémoires à changement de phases ont basées sur la variation de résistance d’un petit volume de matériau à changement de phase, l'information binaire étant codée à travers la phase amorphe ou cristalline du matériau. Le changement de phase permettant leur programmation est induit par effet Joule sous l’application d’un courant électrique. L’alliageGe2Sb2Te5 est largement utilisé pour les mémoires à changement de phase, car il cristallise rapidement et sans changement de composition. Cependant, pour obtenir la fiabilité requise pour certaines applications à haute température, notamment dans
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13

Gasquez, Julien. "Conception de véhicules de tests pour l’étude de mémoires non-volatiles émergentes embarquées." Electronic Thesis or Diss., Aix-Marseille, 2022. http://www.theses.fr/2022AIXM0419.

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La mémoire à changement de phase (PCM) s’inscrit dans la stratégie de développement de mémoires non-volatiles embarquées sur les nœuds technologiques avancés (sub 28nm). En effet, la mémoire Flash-NOR devient de plus en plus onéreuse à intégrer dans les technologies avec des diélectriques à forte permittivité et des grilles métalliques. Cette thèse a donc pour objectif principal de réaliser des véhicules de tests afin d’étudier un point mémoire novateur PCM + OTS et de proposer des solutions afin de combler ses lacunes et ses limites suivant les applications envisagées. L’étude a pour support
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14

Green, Craig Elkton. "Composite thermal capacitors for transient thermal management of multicore microprocessors." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44772.

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While 3D stacked multi-processor technology offers the potential for significant computing advantages, these architectures also face the significant challenge of small, localized hotspots with very large heat fluxes due to the placement of asymmetric cores, heterogeneous devices and performance driven layouts. In this thesis, a new thermal management solution is introduced that seeks to maximize the performance of microprocessors with dynamically managed power profiles. To mitigate the non-uniformities in chip temperature profiles resulting from the dynamic power maps, solid-liquid phase chang
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15

Suri, Manan. "Technologies émergentes de mémoire résistive pour les systèmes et application neuromorphique." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00935190.

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La recherche dans le domaine de l'informatique neuro-inspirée suscite beaucoup d'intérêt depuis quelques années. Avec des applications potentielles dans des domaines tels que le traitement de données à grande échelle, la robotique ou encore les systèmes autonomes intelligents pour ne citer qu'eux, des paradigmes de calcul bio-inspirés sont étudies pour la prochaine génération solutions informatiques (post-Moore, non-Von Neumann) ultra-basse consommation. Dans ce travail, nous discutons les rôles que les différentes technologies de mémoire résistive non-volatiles émergentes (RRAM), notamment (i
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16

Coué, Martin. "Caractérisation électrique et étude TEM des problèmes de fiabilité dans les mémoires à changement de phase enrichis en germanium." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAT018/document.

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Dans cette thèse, nous proposons une étude détaillée des mécanismes responsables de la perte de données dans les mémoires à changement de phase enrichies en germanium (Ge-rich PRAMs), à savoir la dérive de la résistance au cours du temps et la recristallisation de la phase amorphe. Nous commençons par une présentation du contexte dans lequel s'inscrit cette étude an donnant un aperçu rapide du marché des mémoires à semiconducteur et une comparaison des mémoires non volatiles émergentes. Les principes de fonctionnement de la technologie PRAM sont introduits, avec ses avantages, ses inconvénient
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17

Zita, Francescovito. "Modello dinamico del cambiamento di fase in memorie PCM." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/17673/.

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L’evoluzione dei dispositivi di memoria tende alla ricerca di tecnologie sempre maggiormente scalabili e che rispettino livelli prestazionali sempre più stringenti; infatti, le memorie giocano un ruolo di fondamentale importanza nello sviluppo dei circuiti elettronici. Un contributo significativo a tale evoluzione è stato dato dalla caratterizzazione di nuovi materiali con proprietà chimico-fisiche interessanti. Un esempio significativo è una classe di dispositivi chiamati PCM (Phase-Change Memory), che sfruttano un materiale in grado di assumere fase amorfa o cristallina per svolgere la funzi
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18

Pehrson, Alan L. "The Effects of Early Postnatal PCP Administration on Performance in Locomotor Activity, Reference Memory, and Working Memory Tasks in C57BL/6 Mice." VCU Scholars Compass, 2007. http://scholarscompass.vcu.edu/etd/878.

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There is a growing consensus, based on several converging lines of evidence, which suggests schizophrenia is the product of a developmental insult occurring in the late 2 nd or early 3 rd trimester. Additionally, it has been observed that adults who abuse the noncompetitive NMDA antagonist PCP present with symptoms that mimic schizophrenia, such as hallucinations, formal thought disorder, delusions, unstable or flattened affect, social withdrawal, and impaired cognition. Thus, several labs have attempted to use early postnatal PCP administration in rodents as a drug model of schizophrenia. The
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19

Mills, Christopher Alan. "Investigations into low band-gap, semiconducting polymers." Thesis, Bangor University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340950.

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20

Desai, Avanti N. "Effects of Perinatal Polychlorinated Biphenyl Mixtures on Estrogen Receptor Beta, Hippocampus, and Learning and Memory." Bowling Green State University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1182713137.

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21

Rajagopal, Lakshmi. "Neonatal Phencyclidine (PCP) induced deficits in rats: A behavioural investigation of relevance to schizophrenia." Thesis, University of Bradford, 2011. http://hdl.handle.net/10454/5404.

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Background: The main aim of the studies in this thesis is to provide insights into the neonatal phencyclidine (PCP) induced deficits in male and female rats as a neurodevelopmental animal model of schizophrenia. Methods: Both male and female rats were treated with neonatal PCP on postnatal days (PNDs) 7,9 and 11 or vehicle, followed by weaning on PND 21-22. The rats were then tested in behavioural paradigms such as novel object recognition, spatial memory and social interaction in their adolescent and adult stages and were also tested with acute treatment of typical and atypical antipsychotic
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22

CURRAN, CHRISTINE PERDAN. "THE ROLE OF ARYL HYDROCARBON RECEPTOR AND CYP1A2 IN PCB-INDUCED DEVELOPMENTAL NEUROTOXICITY." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1196254087.

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23

Stark, Love. "Outlier detection with ensembled LSTM auto-encoders on PCA transformed financial data." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-296161.

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Financial institutions today generate a large amount of data, data that can contain interesting information to investigate to further the economic growth of said institution. There exists an interest in analyzing these points of information, especially if they are anomalous from the normal day-to-day work. However, to find these outliers is not an easy task and not possible to do manually due to the massive amounts of data being generated daily. Previous work to solve this has explored the usage of machine learning to find outliers in these financial datasets. Previous studies have shown that
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24

Zavalloni, Francesco. "Simulazione in ambiente Matlab di calcolo in memoria basato su celle a cambiamento di fase." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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L'obiettivo dell'elaborato è quello di analizzare le prestazioni di un circuito analogico per l'In-memory Computing basato su celle di memoria a cambiamento di fase. Con questo scopo si è sviluppato un modello informatico grazie al software Matlab & Simulink. Questo modello permette di simulare il comportamento del circuito analogico sotto indagine in particolari contesti operativi, inoltre ne da una stima delle prestazioni in particolari applicazioni, come l'elaborazione delle immagini. Il modello permette di svolgere simulazioni con tempistiche molto inferiori rispetto ad un simulatore circu
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25

Moura, Paula Jaqueline de. "Contribuição para o estudo da memória de reconhecimento social em ratos." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/41/41135/tde-26092008-175018/.

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O paradigma intruso-residente vem sendo intensamente empregado em estudos para avaliar a memória de reconhecimento social em roedores. Tipicamente, ratos adultos, denominados residentes, são expostos a dois encontros sucessivos, de 5 minutos cada, com um mesmo rato juvenil ou com ratos juvenis diferentes, denominados intrusos; o intervalo de tempo entre encontros é 30 minutos. A quantidade de comportamentos sociais do residente (no segundo encontro) em relação a um intruso familiar é substancialmente menor do que o observado no primeiro encontro, o que não ocorre quando o segundo encontro envo
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26

Dvořák, Miroslav. "Disk na bázi paměti FLASH." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2012. http://www.nusl.cz/ntk/nusl-236569.

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The work deals with flash technology, the history of its development, current application of this technology and discusses the advantages and disadvantages of flash memories. It describes the integration of flash technology into mass storage devices and commonly used mechanisms that suppress the flash shortcomings for such application. The next part of the work focuses on analysis of commonly used buses for flash storage devices. Based on these theoretical foundations, text presents way to develop own flash based disk. The work focuses mainly on finding the most accessible platform for connect
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27

Souza, Lucas Canto de. "Participação do sistema histaminérgico em estruturas límbicas sobre a memória de esquiva inibitória em camundongos." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/59/59134/tde-01022016-092907/.

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Vários estudos utilizando modelos animais têm demonstrado que estruturas límbicas como amídala (AMD), hipocampo dorsal (HD) e córtex pré-frontal medial (CPFm) participam na consolidação da memória associada às emoções. Considerando que a síntese de novas proteínas é necessária para o processo de consolidação de memórias, e que a combinação entre o uso de inibidores de síntese proteica e diferentes intensidades de estímulo incondicionado têm gerado respostas comportamentais distintas com relação à consolidação da memória emocional, o presente trabalho se propôs a investigar a hipótese de a cons
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28

Cook, Samantha. "The Effect of oestrogen in a series of models related to schizophrenia and Alzheimer¿s disease. A preclinical investigation into the effect of oestrogen on memory, executive function on and anxiety in response to pharmacological insult and in a model of natural forgetting." Thesis, University of Bradford, 2012. http://hdl.handle.net/10454/5508.

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Alzheimer¿s disease is associated with aging and is characterised by a progressive cognitive decline. Its onset in women coincides with the abrupt depletion of ovarian steroids prompting the investigation of utilising oestrogen replacement therapy as restoration or a preventative measure. Gonadal steroids have also recently been implicated in other disease states, particularly schizophrenia. In addition to the cognitive decline, sufferers of Alzheimer¿s disease and schizophrenia display anxiety related behaviour which gonadal steroids have also been shown to ameliorate. In this thesis several
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29

Alves, Fabio Cesar. "Vivência, reflexão e combate: sobre Memórias do cárcere." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/8/8151/tde-31032014-112723/.

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Este trabalho propõe uma interpretação da obra Memórias do cárcere (1953), de Graciliano Ramos, tendo como eixo de análise a configuração do narrador no relato. Por meio dela, o estudo busca desentranhar, do texto que propõe a confissão do sujeito à beira da cova, os materiais trabalhados pelo escritor. Desse modo, pode-se apreender a estruturação interna desse material como sedimentação de uma realidade historicamente pautada. A hipótese é a de que a reconstrução da experiência de cadeia por parte do narrador situado entre os anos 1940 e 1950 permite-lhe, a partir da fusão de vozes e temporal
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30

Gomes, Kátia Regina Maruyama. "Padrão de expressão gênica e localização tecidual no rato de um novo membro do Cluster gênico da enzima conversora da angiotensina I: variante-4." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/5/5131/tde-28012009-162314/.

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O sistema renina-angiotensina (SRA) é de fundamental importância para a manutenção da homeostasia cardiovascular. A enzima conversora de angiotensina I (ECA) é um elemento crítico na cascata de ativação das diversas substâncias ativas do SRA. Evidências obtidas em nosso laboratório por análise de genômica comparativa e confirmadas através de clonagem de segmentos de cDNA sugerem que esta família de proteínas está incompleta. Nossos dados apontam para existência de duas novas isoformas da ECA, que aqui denominaremos Variante-3 (Var-3) e Variante-4 (Var-4), localizadas no mesmo locus da ECA. Nes
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31

Hummel, Václav. "Framework pro hardwarovou akceleraci 400Gb sítí." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2017. http://www.nusl.cz/ntk/nusl-363862.

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The NetCOPE framework has proven itself as a viable framework for rapid development of hardware accelerated wire-speed network applications using Network Functions Virtualization (NFV). To meet the current and future requirements of such applications the NetCOPE platform has to catch up with upcoming 400 Gigabit Ethernet. Otherwise, it may become deprecated in following years. Catching up with 400 Gigabit Ethernet brings many challenges bringing necessity of completely different way of thinking. Multiple network packets have to be processed each clock cycle requiring a new concept of processin
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32

Preciados, Mark. "Exposure to Estrogenic Endocrine Disrupting Chemicals and Brain Health." FIU Digital Commons, 2018. https://digitalcommons.fiu.edu/etd/3741.

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The overall objective of this dissertation was to examine exposures to the estrogenic endocrine disrupting chemicals (EEDCs), phthalates, bisphenol-A (BPA), and the metalloestrogens cadmium (Cd), arsenic (As), and manganese (Mn) in an older geriatric aged-population and examine associations with brain health. Given the evidence that EEDCs affect brain health and play a role in the development of cognitive dysfunction and neurodegenerative disease, and the constant environmental exposure through foods and everyday products has led this to becoming a great public health concern. Using a bioinfor
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33

Hunzeker, John T. "Differential effects of stress on the immune response to influenza A/PR8 virus infection in mice." Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1080588837.

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Thesis (Ph. D.)--Ohio State University, 2004.<br>Title from first page of PDF file. Document formatted into pages; contains xvi, 231 p.; also includes graphics Includes bibliographical references (p. 211-231). Available online via OhioLINK's ETD Center
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34

Hýbl, Matouš. "Dvoukanálový kontrolér krokových motorů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442448.

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Cílem této práce je vývoj dvoukanálového kontroléru krokových motorů. V rámci práce je popsán jak vývoj elektroniky, tak vývoj příslušného software. Elektronika kontrolŕu je založena na mikrokontroléru STM32F405 a driverů krokových motorů vyráběných firmou Trinamic. Pro komunikaci s nadřazenými systémy je implementován protokol CANOpen a sběrnice I\textsuperscript{2}C a USB. Elektronika byla navržena v software KiCAD and využívá čtyřvrstvého plošného spoje a moderních výrobních technologií. Co se týká software, byl vyvinut jak firmware pro mikrokontrolér, tak software pro ovládání kontroléru.
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Liang, Kai-Min, and 梁凱閔. "Fast Booting on PCM-based Hybrid Main Memory." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/67136106489294152631.

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Lu, Min-Zhong, and 呂敏中. "Row Buffer Management Policies in PCM Main Memory Systems." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/19824215718227175522.

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碩士<br>國立臺灣大學<br>資訊工程學研究所<br>100<br>As Moore’s Law continues to hold true, the number of concurrently running applications has been increasing, and the capacity requirement of main memory has been much aggravated. For recent years, researchers have been studying new memory technologies that are envisioned to provide more memory capacity and lower power than the conventional DRAM. Among them, phase-change memory (PCM) has been considered as the best candidate to replace DRAM as main memory due to its non-volatility, byte-addressability, and superior scalability. Nevertheless, there have still be
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Wu, Xiaojian. "Storage Systems for Non-volatile Memory Devices." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-08-9985.

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This dissertation presents novel approaches to the use of non-volatile memory devices in building storage systems. There are many types of non-volatile memory devices, and they usually have better performance than regular magnetic hard disks in terms of throughput and latency. This dissertation focused on two of them, NAND flash memory and Phase Change Memory (PCM). This work consisted of two parts. The first part was to design a high-performance hybrid storage system employing Solid State Drives that are build out of NAND flash memory and Hard Disk Drives. In this hybrid system, we proposed
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Chang, Kuo-Lun, and 張國倫. "A Dynamic MLC/SLC Configuration for PCM in Main Memory System." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/m7y666.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>107<br>In storage systems, non-volatile memory has become a popular technique in these years. The properties of non-volatile memory contain small size, low-power consumption and non-volatility. There are many types of non-volatile memory now. Phase change memory (PCM) is one of the most potential one among them. PCM is also considered as a candidate to replace DRAM in main memory. Compared to DRAM, it has the advantages of non-volatility and higher storage density. We can take advantage from the property of higher storage density by applying PCM in MLC format. Howeve
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Cheng, Pi-Chieh, and 鄭比傑. "Adaptive Page Allocation and Buffer Management of DRAM-PCM Hybrid Memory Architecture." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/10109605237811085581.

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碩士<br>中原大學<br>資訊工程研究所<br>103<br>Owing to the advantages of non-volatility and low static energy consumption, Phase Change Random Access Memory (PCM or PCRAM) can become the mainstream memory device. However, it is a little bit of difficult that the PCM limited by endurance, high write-in power requirement and access latency want to replace Dynamic Random Access Memory (DRAM). Therefore, to obtain better performance, the development of memory device would tend to be built in the form of DRAM-PCM Hybrid Main Memory architecture. The configuration of the total device will be allocated by the f
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Garg, Vishesh. "Towards Designing PCM-Conscious Database Systems." Thesis, 2016. https://etd.iisc.ac.in/handle/2005/4889.

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Phase Change Memory (PCM) is a recently developed non-volatile memory technology that is expected to provide an attractive combination of the best features of conventional disks (persistence, capacity) and of DRAM (access speed). For instance, it is about 2 to 4 times denser than DRAM, while providing a DRAM-comparable read latency. On the other hand, it consumes much less energy than magnetic hard disks while providing substantively smaller write latency. Due to this suite of desirable features, PCM technology is expected to play a prominent role in the next generation of computing syst
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Das, Chandasree. "Investigations On Certain Tellurium Based Bulk Chalcogenide Glasses And Amorphous Chalcogenide Films Having Phase Change Memory (PCM) Applications." Thesis, 2011. https://etd.iisc.ac.in/handle/2005/2378.

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Chalcogenide glass based Phase Change Memories (PCMs) are being considered recently as promising alternatives to conventional non-volatile Random Access Memories (NVRAMs). PCMs offer high performance & low power consumption, in addition to other advantages, such as high scalability, high endurance and compatibility with complementary metal oxide semiconductors (CMOS) technologies. Basically PCM is a resistance variable non-volatile memory in which the memory bit state is defined by the resistance of the material. In this case, the initial ‘OFF’ state (logic zero) corresponds to the high resist
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42

Das, Chandasree. "Investigations On Certain Tellurium Based Bulk Chalcogenide Glasses And Amorphous Chalcogenide Films Having Phase Change Memory (PCM) Applications." Thesis, 2011. http://etd.iisc.ernet.in/handle/2005/2378.

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Chalcogenide glass based Phase Change Memories (PCMs) are being considered recently as promising alternatives to conventional non-volatile Random Access Memories (NVRAMs). PCMs offer high performance & low power consumption, in addition to other advantages, such as high scalability, high endurance and compatibility with complementary metal oxide semiconductors (CMOS) technologies. Basically PCM is a resistance variable non-volatile memory in which the memory bit state is defined by the resistance of the material. In this case, the initial ‘OFF’ state (logic zero) corresponds to the high resist
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43

Νάκος, Κωνσταντίνος. "Διόρθωση λαθών σε συστήματα αποθήκευσης πληροφορίας τεχνολογίας PCM με χρήση κώδικα BCH". Thesis, 2013. http://hdl.handle.net/10889/6113.

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Αντικείμενο της διπλωματικής εργασίας αποτελεί η μελέτη και ανάλυση των μεθόδων διόρθωσης λαθών με χρήση κώδικα BCH που μπορούν να εφαρμοστούν σε συστήματα αποθήκευσης πληροφορίας τεχνολογίας PCM (Phase-Change Memory). Η τεχνολογία PCM αποτελεί μία νέα τεχνολογία που υπόσχεται υψηλές χωρητικότητες, χαμηλή κατανάλωση ισχύος και μπορεί να εφαρμοστεί είτε σε συσκευές αποθήκευσης σταθερής κατάστασης (Solid State Drives) είτε σε μνήμες τυχαίας προσπέλασης (Random-Access Memories), παρέχοντας μία εναλλακτική πρόταση έναντι μνημών τεχνολογίας flash και DRAM. Ένα από τα μειονεκτήματα της τεχνολογίας P
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Προδρομάκης, Αντώνιος. "Μοντελοποίηση και εξομοίωση των χαρακτηριστικών γήρανσης NV μνημών". Thesis, 2015. http://hdl.handle.net/10889/8815.

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Τις τελευταίες δεκαετίες, η ανάπτυξη των non-volatile μνημών (NVMs) κατέστησε ικανή την αντικατάσταση volatile μνημών, όπως των DRAMs και των μαγνητικών σκληρών δίσκων (HDDs), σε caching και storage εφαρμογές, αντίστοιχα. Οι δίσκοι στερεάς κατάστασης (SSDs) που βασίζονται σε NAND Flash μνήμες έχουν ήδη αναδειχθεί ως ένα χαμηλού κόστους, υψηλής απόδοσης και αξιόπιστο μέσο στα σύγχρονα συστήματα αποθήκευσης. Επιπλέον, οι ιδιότητες των υλικών αλλαγής φάσης και η πρόσφατη κλιμάκωση της Phase-Change μνήμης (PCM), την καθιστά ένα τέλειο υποψήφιο για την ανάπτυξη μνημών τυχαίας προσπέλασης αλλαγής φά
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Sreevidya, Varma G. "Mechanical, Structural, Thermal and Electrical Studies on Indium and Silver Doped Ge-Te Glasses having Possible PCM Applications." Thesis, 2014. http://etd.iisc.ac.in/handle/2005/3080.

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The Science behind amorphous Chalcogenide materials opened up new technologies in the arena of Phase Change Memories. The Ovonic universal phase change memory is called universal because it can replace flash memory, DRAM and SRAM. These are not only basic computer memory devices but also are becoming the driving force for the ongoing revolutionary growth of cell phones and other mobile devices, which are in desperate need of memory providing higher density, faster speed and lower power consumption. In this thesis, compositional dependence of various properties of different chalcogenide glasse
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Sreevidya, Varma G. "Mechanical, Structural, Thermal and Electrical Studies on Indium and Silver Doped Ge-Te Glasses having Possible PCM Applications." Thesis, 2014. http://hdl.handle.net/2005/3080.

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The Science behind amorphous Chalcogenide materials opened up new technologies in the arena of Phase Change Memories. The Ovonic universal phase change memory is called universal because it can replace flash memory, DRAM and SRAM. These are not only basic computer memory devices but also are becoming the driving force for the ongoing revolutionary growth of cell phones and other mobile devices, which are in desperate need of memory providing higher density, faster speed and lower power consumption. In this thesis, compositional dependence of various properties of different chalcogenide glasse
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47

Liao, Chien-Mao, and 廖建茂. "PCA Based Control Charts with Memory Effect for Process Monitoring." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/70646533593825170230.

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碩士<br>中原大學<br>化學工程學系<br>88<br>A general learning methodology based on PCA (Principal component analysis) control charts with memory effect for steady-state and dynamic process monitoring is proposed. PCA is currently a standard multivariate statistical technique. It has been applied to a lot of monitoring problems in chemical processes. However, the PCA model cannot explain the trend relationship among the measured variables with a small or a moderate shift in one or more process variables because it is built only based on the most recent observations. On the other hand, multivariate control c
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48

Wang, Xue-Fen, and 王雪芬. "Preparation of Shape Memory OBC/PCL Melt-Blends and Nanocomposites." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/jm76nq.

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碩士<br>國立宜蘭大學<br>化學工程與材料工程學系碩士班<br>102<br>Olefin block copolymer (OBC) and polycaprolactone (PCL) were melt-blended to form green shape memory blends. The shape memory behaviors of OBC/PCL blends were investigated at 60/40 proportions. Due to the lack of good compatibility between OBC and PCL, OBC-g-GMA (Glycidyl Methacrylate, GMA) and dicumyl peroxide (DCP) were added to improve the compatibility. In addition, ZnO with different aspect ratios were added to investigate their shape memory effect. The SEM technique confirmed the improved compatibility between OBC and PCL after modification. The c
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Lai, Ting-Yin, and 賴亭茵. "Preparation of ZnO Nanorods and Shape Memory OBC/PCL/Silicone Blends." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/brs25c.

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碩士<br>國立宜蘭大學<br>化學工程與材料工程學系碩士班<br>103<br>Zinc oxide synthesized with two different sol-gol methods. Firstly, put zinc nitrate solution (Zn(NO3)2), PEG-b-PPG-b-PEG (poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol)) and NH3OH (ammonium hydroxide solution) into a 250 mL beaker, heated to 65 oC until 1/3 solution left. Vigorous stirring was maintained throughout the entire process, and then calcinating the white powder at 600 oC. Secondly, zinc nitrate aqueous solution (Zn(NO3)2) and sodium hydroxide aqueous solution (NaOH) were added into alcohol, and then ethylenedi
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Lian, Shiang-Lin, and 連翔琳. "Supramolecular block copolymers: PCBM composite for resistor-type memory device application." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/24924311650508728230.

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碩士<br>國立臺灣大學<br>化學工程學研究所<br>99<br>Recently years, polymeric materials use to the memory device applications as an emerging area. The donor-acceptor type polymers have attracted a significant interest for memory device applications due to their tunable electronic properties through molecular design. However, the effects of the different polymer structure on the pure polymer memory characteristics and the application of functional block copolymer composites being used to disperse and control fullerene domain size through specified physical interaction on the nanomaterials composite memory charac
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