Bibliographies thématiques / MetaPlab

Littérature scientifique sur le sujet « MetaPlab »

Auteur : Grafiati

Publié le 11 mars 2023

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Articles de revues sur le sujet "MetaPlab"

Saptanto, Deswandito Dwi, Tri Arie Bowo et Ratih Laily Nurjanah. « Pictorial Metaplan as a Teaching aid to Improve Speaking Skills in Junior High School Students ». Language Circle : Journal of Language and Literature 15, n^o 2 (26 avril 2021) : 209–18. http://dx.doi.org/10.15294/lc.v15i2.27631.

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This study focuses on improving students’ abilities in learning English with the support of Pictorial Metaplan as a teaching aid. The use of this Metaplan aims to improve speaking skills in formal and non-formal contexts. This pictorial Metaplan is a realia in the form of an illustrated carpet with a theme Getting Direction. Pictorial Metaplan focuses on the topic Getting Direction and applied directly to 15 students in the 8th grade of junior high school. The implementation of the use of the Pictorial Metaplan begins with distributing questionnaires and implementing Pre- Test and Post-Test, then direct implementation of using Pictorial Metaplan combined with Total Physical Response (TPR) method. The treatment for students was carried out by dividing two class groups, the control group, and the experimental group. The control group used conventional methods, without using learning aids, while the second group used the Pictorial Metaplan as a teaching aid. Based on the results of Pre-Test and Post-Test show an increase in the results of the values before and after implementing the Pictorial Metaplan. Thus it can be concluded that learning in the experimental group using Pictorial Metaplan is more effective than learning using conventional methods.

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Ovchinnikova, Olga M., Evgeniya O. Frantsuzskaya et Olga S. Lutoshkina. « Metaplan-based Development of Speaking Skills ». Procedia - Social and Behavioral Sciences 200 (août 2015) : 624–30. http://dx.doi.org/10.1016/j.sbspro.2015.08.049.

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Kerr, B. « A Metaplan Approach to Needs Assessment ». Aboriginal Child at School 16, n^o 3 (juillet 1988) : 37–44. http://dx.doi.org/10.1017/s0310582200015418.

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This paper outlines an approach used by the Aboriginal Education Unit - Kalgoorlie Education Centre, W.A., to determine the educational needs of Aboriginal Communities. The team that carried out this program were: Mr Billy Kerr, Aboriginal Education Officer, Kalgoorlie D.E.C.; Mr Billy Vincent, Aboriginal Liaison Officer, Kalgoorlie D.E.C.; Mr Neil Darby, Priority Country Areas Program Field Officer, Kalgoorlie D.E.C.; Mr Ted Penny, Community/Schools Liaison Unit, Ministry of Education; Mr Lex Leslie, Principal, Yintarri School, Coonana.

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Saptanto, Deswandito Dwi, Tri Arie Bowo et Ratih Laily Nurjanah. « PRODUCT DEVELOPMENT AND ELIGIBILITY ASSESSMENT OF PICTORIAL METAPLAN FOR INTERACTIVE ENGLISH TEACHING IN 8TH GRADE JUNIOR HIGH SCHOOL ». PHILOSOPHICA Jurnal Bahasa, Sastra, dan Budaya 4, n^o 2 (22 décembre 2021) : 74. http://dx.doi.org/10.35473/po.v4i2.826.

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This study focuses on the development of instructional media using pictorial metaplan and provide eligibility assessment for the product. The use of pictorial metaplan media aims to increase interest in learning vocabulary as well as to directly apply of English speaking practice to students of 8th grade Junior High School. This type of research is using Research and Development method (R&D). Direct trials was conducted on 1 media expert, 4 teachers and 7 students from 8th grade Junior High School. The implementation of the use of pictorial metaplan to the subjects of this study used a combination of the Total Physical Response (TPR) and Student-Centered Learning (SCR) methods. The results of this study are indicated by the total score of the product eligibility assessment that were obtained from the total conversion of the assessment from media expert, teachers and students. The total score of the media experts was 106, which meant in ‘very eligible’ category, the total score of the teacher was 81.6, which meant ‘eligible’ category and the total score of the students was 92.2, which meant ‘eligible’ category. Based on the results, pictorial metaplan is eligible to be a teaching aid for learning English, especially in speaking competence.

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Zatlin, Phyllis. « López Rubio and the Well-Made Metaplay ». Modern Drama 32, n^o 4 (décembre 1989) : 512–20. http://dx.doi.org/10.3138/md.32.4.512.

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Turysheva, Olga N. « Franz Kafka’s Metaplot Miniatures ». Вестник Пермского университета. Российская и зарубежная филология 10, n^o 3 (2018) : 171–76. http://dx.doi.org/10.17072/2037-6681-2018-3-171-176.

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Poorolajal, Jalal, et Shahla Noornejad. « Metaplot : A new Stata module for assessing heterogeneity in a meta-analysis ». PLOS ONE 16, n^o 6 (28 juin 2021) : e0253341. http://dx.doi.org/10.1371/journal.pone.0253341.

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Background The proposed sequential and combinatorial algorithm, suggested as a standard tool for assessing, exploring, and reporting heterogeneity in the meta-analysis, is useful but time-consuming particularly when the number of included studies is large. Metaplot is a novel graphical approach that facilitates performing sensitivity analysis to distinguish the source of substantial heterogeneity across studies with ease and speed. Method Metaplot is a Stata module based on Stata’s commands, known informally as "ado". Metaplot presents a two-way (x, y) plot in which the x-axis represents the study codes and the y-axis represents the values of I2 statistics excluding one study at a time (n-1 studies). Metaplot also produces a table in the ’Results window’ of the Stata software including details such as I2 and χ2 statistics and their P-values omitting one study in each turn. Results Metaplot allows rapid identification of studies that have a disproportionate impact on heterogeneity across studies, and communicates to what extent omission of that study may reduce the overall heterogeneity based on the I2 and χ2 statistics. Metaplot has no limitations regarding the number of studies or types of outcome data (binomial or continuous data). Conclusions Metaplot is a simple graphical approach that gives a quick and easy identification of the studies having substantial influences on overall heterogeneity at a glance.

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Farooq, Muhammad Zain, Trilok Shrivastava, Humaira Sarfraz, Sheeba Habeeb Ba Aqeel, Pingfu Fu et Ankit Mangla. « Racial disparity in survival of African-American (AA) patients diagnosed with metastatic prostate cancer : Analysis of surveillance epidemiology and end results program. » Journal of Clinical Oncology 40, n^o 6_suppl (20 février 2022) : 28. http://dx.doi.org/10.1200/jco.2022.40.6_suppl.028.

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28 Background: Amongst all cancers in men, prostate cancer (PCa) is the most common cancer, and the second leading cause of death. Racial disparities in PCa care in the United States (US) are known to exist. However, it is not clear if this disparity is also noted specifically in patients diagnosed with metastatic PCa (metaPCa). We analyzed the Surveillance Epidemiology and End results Program (SEER) 18 registry, to determine the racial disparity in survival of AA patients diagnosed with metaPCa compared to other races recorded in this registry. Methods: Cancer incidence data was obtained from the SEER 18 registry (2000-2018). The data was analyzed using StataMP 16 (StataCorp) software. Demographic and clinical outcomes were recorded from the registry. We performed univariate Cox regression using proportional hazard model and obtained Kaplan Meier curves to look at the difference in survival based on different age groups and race. Results: A total of 51,979 cases were identified with metaPCa, out of whom 75.8% were Whites. 40,579 deaths were recorded. Mean age group of patients with metaPCa were 70-74 years. Grade 3 poorly differentiated adenocarcinoma was noted in 54.6% patients. There was no statistically significant difference in survival of AA patients with metaPCa compared to Non-Hispanic Whites (NHW) (Hazard Ratio (HR): 0.99; 95%CI 0.96,1.03 p = 0.71) or Alaskan and American Natives (AIAN) with metaPCa (HR:1.048; 95%CI 0.91,1.21 p = 0.539). AA with metaPCa had a statistically better outcome compared to Asian and Pacific Islanders with metaPCa (HR:0.775; 95%CI 0.731,0.821 p = 0.00). Amongst patients with less than 65 years of age with metaPCa, AA patients had statistically better survival than NHW (HR: 0.94; 95% CI 0.89-0.98 p = 0.05). No statistically supported racial disparity in survival was observed in patients above 65 years with metaPCa (AA to NHW patients- HR: 0.99; 95% CI 0.96,1.03 p = 0.71). Conclusions: Although racial disparities exist in survival of all patients diagnosed with prostate cancer, when it comes to those with metaPCA, there is no statistically supported racial disparity amongst AA patients compared to NHW, except for those who are younger than 65 years where white patients have a worse outcome compared to AA diagnosed with metaPCa.

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Baş, Tuğçe, Gülsüm Boran Çayırlı, Mahmut Ok et Mustafa Arıcan. « Bir köpekte gastrik intestinal metaplazi ». Eurasian Journal of Veterinary Sciences 36, n^o 3 (1 septembre 2020) : 242–47. http://dx.doi.org/10.15312/eurasianjvetsci.2020.284.

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Hoàng Ngọc, Khắc, Giáp Vũ Minh, Lộc Vũ Tuấn et Bình Nguyễn Thanh. « THÀNH PHẦN LOÀI VÀ PHÂN BỐ CUA (BRACHYURA) TRONG HỆ SINH THÁI RỪNG NGẬP MẶN HUYỆN HẬU LỘC, TỈNH THANH HOÁ ». SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY 7, n^o 21 (29 juillet 2021) : 124–30. http://dx.doi.org/10.51453/2354-1431/2021/564.

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Nghiên cứu về thành phần loài cua trong hệ sinh thái rừng ngập mặn huyện Hậu Lộc được thực hiện vào 12/2020 tại 19 điểm đại diện cho các sinh cảnh trong khu vực nghiên cứu. Kết quả nghiên cứu đã xác định được 26 loài giáp xác thuộc phân bộ cua trong khu vực HST RNM huyện Hậu Lộc. Các loài trong đó thuộc 19 giống, 8 họ. Họ có nhiều loài nhất là họ cáy rừng Sesarmidae với 7 loài thuộc 6 giống, tiếp đến họ dã tràng Dotillidae và họ cua rạm Varunidae đều có 5 loài thuộc 4 giống. Các họ còn lại đều có 1 giống (từ 1-3 loài). Các họ Sesarmidae, Dotillidae và Varunidae đều là các họ đặc trưng, điển hình cho các HST RNM ven biển ở Việt Nam. Đã ghi nhận mới sự có mặt của loài Cáy đỏ (Neosarmatium smithi), Cáy maipo (Perisesarma maipoense), cáy tròn (Sarmatium germaini), cáy lông (Chiromantes dehaani), ... Các loài gặp ở đây chủ yếu đều là những loài phân bố rộng như Perisesarma bidens, Parasesarma plicatum, Metaplax elegans, Metaplax longipes, Macrophthalmus tomemtosus,… Tại các bãi trống ngoài RNM về phía biển chủ yếu gặp các loài mày mạy (Metaplax elegans), sà sạ (Macrophthalmus tomemtosus), các loài trong họ dã tràng (Dotillidae) như cua lính, dã tràng lớn, dã tràng nâu, vái trời; Sinh cảnh rừng thấp mới trồng, cây thưa bắt gặp một số loài như Metaplax elegans,…; Trong RNM gặp chủ yếu là các loài cáy Perisesarma bidens, Parasesarma plicatum,...; Sinh cảnh rừng trồng lâu năm, nền đáy cao hơn, độ che phủ lớn hơn thường xuất hiện các loài có kích thước lớn như cáy đỏ (Neosarmatium smithi), cáy tròn (Sarmatium germaini),…; Sinh cảnh bãi cao ven rừng ngập mặn thường xuất hiện các loài cua đào hang sâu trên nền đất cứng như cù kỳ (Helice latimera), Perisesarma maipoense, Chiromantes dehaani, Uca arcuata,…

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Thèses sur le sujet "MetaPlab"

Atanasova, M. « Metaplan Als Eine Moderationsmethode ». Thesis, Харківський національний університет імені В.Н. Каразіна, 2012. http://essuir.sumdu.edu.ua/handle/123456789/63407.

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Man kann besser lernen, wenn man sich aktivGedanken uber das Lernen und die Lernprozesse macht und spater seine eigenen Lernstrategien entwickelt. Dabei ist das Prinzip „Lernen durch Handeln“ sehr wichtig.

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CASTELLINI, ALBERTO. « Algorithms and Software for Biological MP Modeling by Statistical and Optimization Techniques ». Doctoral thesis, Università degli Studi di Verona, 2010. http://hdl.handle.net/11562/342895.

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I sistemi biologici sono gruppi di entità biologiche (es. molecole ed organismi), che interagiscono producendo specifiche dinamiche. Questi sistemi sono solitamente caratterizzati da una elevata complessità perchè coinvolgono un elevato numero di componenti con molte interconnessioni. La comprensione dei meccanismi che governano i sistemi biologici e la previsione dei loro comportamenti in condizioni normali e patologiche è una sfida cruciale della biologia dei sistemi (in inglese detta systems biology), un'area di ricerca al confine tra biologia, medicina, matematica ed informatica. In questa tesi i P sistemi metabolici, detti brevemente sistemi MP, sono stati utilizzati come modello discreto per l'analisi di dinamiche biologiche. Essi sono una classe deterministica dei P sistemi classici, che utilizzano regole di riscrittura per rappresentare le reazioni chimiche e "funzioni di regolazioni di flusso" per regolare la reattività di ciascuna reazione rispetto alla quantita' di sostanze presenti istantaneamente nel sistema. Dopo un excursus sulla letteratura relativa ad alcuni modelli convenzionali (come le equazioni differenziali ed i modelli stocastici proposti da Gillespie) e non-convenzionali (come i P sistemi ed i P sistemi metabolici), saranno presentati i risultati della mia ricerca. Essi riguardano tre argomenti principali: i) l'equivalenza tra sistemi MP e reti di Petri ibride funzionali, ii) le prospettive statistiche e di ottimizzazione nella generazione di sistemi MP a partire da dati sperimentali, iii) lo sviluppo di un laboratorio virtuale chiamato MetaPlab, un software Java basato sui sistemi MP. L'equivalenza tra i sistemi MP e le reti di Petri ibride funzionali è stata dimostrata per mezzo di due teoremi ed alcuni esperimenti al computer per il caso di studio del meccanismo regolativo del gene operone lac nella pathway glicolitica. Il secondo argomento di ricerca concerne nuovi approcci per la sintesi delle funzioni di regolazione di flusso. La regressione stepwise e le reti neurali sono state impiegate come approssimatori di funzioni, mentre algoritmi di ottimizzazione classici ed evolutivi (es. backpropagation, algoritmi genetici, particle swarm optimization ed algoritmi memetici) sono stati impiegati per l'addestramento dei modelli. Una completo workflow per l'analisi dei dati sperimentali è stato presentato. Esso gestisce ed indirizza l'intero processo di sintesi delle funzioni di regolazione, dalla preparazione dei dati alla selezione delle variabili, fino alla generazione dei modelli ed alla loro validazione. Le metodologie proposte sono state testate con successo tramite esperimenti al computer sui casi di studio dell'oscillatore mitotico negli embrioni anfibi e del non photochemical quenching (NPQ). L'ultimo tema di ricerca è infine piu' applicativo e riguarda la progettazione e lo sviluppo di una architettura Java basata su plugin e di una serie di plugin che consentono di automatizzare varie fasi del processo di modellazione con sistemi MP, come la simulazione di dinamiche, la determinazione dei flussi e la generazione delle funzioni di regolazione.
Biological systems are groups of biological entities, (e.g., molecules and organisms), that interact together producing specific dynamics. These systems are usually characterized by a high complexity, since they involve a large number of components having many interconnections. Understanding biological system mechanisms, and predicting their behaviors in normal and pathological conditions is a crucial challenge in systems biology, which is a central research area on the border among biology, medicine, mathematics and computer science. In this thesis metabolic P systems, also called MP systems, have been employed as discrete modeling framework for the analysis of biological system dynamics. They are a deterministic class of P systems employing rewriting rules to represent chemical reactions and "flux regulation functions" to tune reactions reactivity according to the amount of substances present in the system. After an excursus on the literature about some conventional (i.e., differential equations, Gillespie's models) and unconventional (i.e., P systems and metabolic P systems) modeling frameworks, the results of my research are presented. They concern three research topics: i) equivalences between MP systems and hybrid functional Petri nets, ii) statistical and optimization perspectives in the generation of MP models from experimental data, iii) development of the virtual laboratory MetaPlab, a Java software based on MP systems. The equivalence between MP systems and hybrid functional Petri nets is proved by two theorems and some in silico experiments for the case study of the lac operon gene regulatory mechanism and glycolytic pathway. The second topic concerns new approaches to the synthesis of flux regulation functions. Stepwise linear regression and neural networks are employed as function approximators, and classical/evolutionary optimization algorithms (e.g., backpropagation, genetic algorithms, particle swarm optimization, memetic algorithms) as learning techniques. A complete pipeline for data analysis is also presented, which addresses the entire process of flux regulation function synthesis, from data preparation to feature selection, model generation and statistical validation. The proposed methodologies have been successfully tested by means of in silico experiments on the mitotic oscillator in early amphibian embryos and the non photochemical quenching (NPQ). The last research topic is more applicative, and pertains the design and development of a Java plugin architecture and several plugins which enable to automatize many tasks related to MP modeling, such as, dynamics computation, flux discovery, and regulation function synthesis.

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Lazari, Simone Samways. « Disseminação da responsabilidade social na cadeia produtiva : O caso METAPAR ». reponame:Repositório Institucional do FGV, 2002. http://hdl.handle.net/10438/3693.

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Braz, Aline Márcia Marques. « Interação entre Citocinas, Plaquetas e Fibrogênese na Investigação da Metaplasia Mielóide Hepática ». Botucatu, 2016. http://hdl.handle.net/11449/138266.

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Orientador: Márjorie de Assis Golim
Resumo: Vírus da Hepatite C (VHC) é uma das principais causas de doença inflamatória crônica do fígado, com progressão variável para a fibrose e cirrose hepática. Cerca de 30 a 40% dos pacientes com hepatite C crônica tem manifestações extra-hepáticas, sendo uma variedade destas descritas como associadas ao VHC. Quando a produção da medula é incapaz de manter as necessidades do organismo, em reação secundária a doença mieloproliferativa (policitemia vera, leucemia granulocítica crônica), ou até mesmo de origem idiopática, pode ocorrer hematopoese extramedular (HEM), presente mais comumente no fígado, baço e gânglios linfáticos, os quais passam a exercer função hematopoiética. Com o objetivo de avaliar a existência de hematopoese extramedular hepática em pacientes com hepatite C crônica e sua influência na gênese da fibrose hepática, foram avaliados 69 pacientes VHC positivos, os quais foram submetidos à biópsia hepática percutânea, e estratificados em grupos conforme a classificação METAVIR, conforme descrição abaixo: G1 – n = 19: pacientes no estágio F1 (fibrose portal sem septos); G2 – n = 16: pacientes no estágio F2 (septos poucos); G3 – n = 17: pacientes em estágio F3 (septos numerosos sem cirrose); G4 – n = 17: pacientes em estágio F4 (cirrose); G5 - n = 15: indivíduos saudáveis (grupo controle). Foram realizadas quantificações plasmáticas de quimiocinas (CXCL8, CCL5, CXCL9, CCL2 e CXCL10) e fatores de crescimento (TGF-beta, VEGF, FGF, PDGF) e investigada a presença de HEM em co... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Hepatitis C Virus (HCV) is a major cause of chronic liver inflammatory disease with variable progression for fibrosis and cirrhosis. About 30 to 40% of patients with chronic hepatitis C has extrahepatic manifestations and a variety of these described as an association with HCV. When the production of the bone marrow is not able to maintain the homeostasis due a secondary reaction to myeloproliferative disease (polycythemia vera, chronic granulocytic leukemia), or idiopathic causes, it may occur an extramedullary hematopoiesis (EMH), most commonly in the liver, spleen and lymph nodes, which can start the development of hematopoietic function. The purpose of this study is the evaluation of existence of liver extramedullary hematopoiesis in patients with chronic hepatitis C, and the influence in the pathogenesis of liver fibrosis. It was evaluated 69 liver biopsy from HCV positive patients and stratified into groups according to METAVIR rating as described below: G1 - n = 19: patients in the F1 stage (portal fibrosis without septa); G2 - n = 16: patients in stage F2 (few septa); G3 - n = 17: patients with stage F3 (numerous septa without cirrhosis); G4 - n = 17: patients in stage F4 (cirrhosis); G5 - n = 15: healthy individuals (control group). It was quantifed the chemokines (CXCL8, CCL5, CXCL9, CCL2 and CXCL10) and growth factors (TGF-, VEGF, FGF, PDGF) from plasma and investigated the presence of EMH in the liver tissue sections by immunohistochemistry use of CD61 / CD34... (Complete abstract click electronic access below)
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Barretto, Marcus Vinicius Knupp. « Contribuições da língua portuguesa e das línguas africanas quicongo e bini para a constituição do crioulo sãotomense ». Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/8/8142/tde-01092009-115644/.

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O objetivo desta dissertação é apresentar e discutir alguns processos fonológicos de adição e subtração de elementos (metaplasmos) na língua sãotomense. Neste trabalho, faremos uma comparação entre as contribuições das línguas portuguesa, quicongo e bini. Entre os séculos XV e XVI, diversas línguas nasceram do contato entre europeus e povos da África, Ásia e América. Chamadas de pidgins e crioulos, essas línguas contam com contribuições linguísticas da língua do povo dominador (língua de superstrato) e com contribuições da(s) língua(s) do(s) povo(s) dominado(s) (língua(s) de substrato). O sãotomense, língua falada atualmente na República de São Tomé e Príncipe, é uma dessas línguas, classificada como crioulo de base portuguesa, e conta com o português seiscentista como língua de superstrato e com línguas africanas, dentre elas o quicongo e o bini como línguas de substrato. Ao longo deste trabalho, analisaremos algumas das influências das línguas de substrato e superstrato na constituição do sãotomense. As contribuições das línguas de superstrato estão, majoritariamente, relacionadas à composição do léxico e as das línguas de substrato na fonologia, morfologia e sintaxe, embora também haja traços inovadores. No caso do sãotomense, as palavras portuguesas, ao entrarem no léxico do sãotomense, sofreram metaplasmos para se adequar à estrutura das línguas africanas dos primeiros falantes, sem, contudo, evitar que a língua portuguesa também contribuísse para a constituição da fonologia do sãotomense. Uma das contribuições do quicongo na fonologia do sãotomense é o lambdacismo transformação de [r] em [l] durante o processo de empréstimos, enquanto a língua portuguesa contribuiu com a eliminação do sistema tonal, presente em quicongo e bini, mas não em português.
The goal of this dissertation is to describe and analyse some phonological aspects of Sãotomense. In this word, we compare a number of linguistics contributions from the Portuguese, Kongo and Bini languages to Sãotomense, a Portuguese-based Creole spoken in the Democratic Republic of São Tomé and Príncipe. A Creole language displays linguistic characteristic both from its superstratum and its substratum languages. Sãotomense has the seventeenth centurys Portuguese as its superstratum language and many African languages, among them Kongo and Bini, as its substrata languages. In this work, I intend to analyze some of the influences of these strata languages in the formation of Sãotomense phonology. In general terms, most of the contributions from the superstratum languages are related to the Lexicon. Substratum languages, by its turn, heavily contribute to the phonology, morphology and syntax, although there are in the Creoles languages innovative linguistics aspects as well. In the specific case of Sãotomense, Portuguese words undergone many linguistics processes, some of them called metaplasms, in order to be adapted by the structure of African languages speakers, but this fact did not avoid that Portuguese language also contributed to the phonology constitution of Sãotomense. A possible African contribution to the phonology of Sãotomense is the so-called lambdacism the transformation of a [r] into a [l] during the process of loanword adaptation from the Kongo language. Portuguese, for example, probably, contributed with the elimination of tones, present in Kongo and Bini and in many others African languages, but not in Portuguese.

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Tran, Quang Anh. « Mechanisms of metaplast formation during coal pyrolysis ». Thesis, 2018. http://hdl.handle.net/1959.13/1383998.

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Research Doctorate - Doctor of Philosophy (PhD)
Coke is a solid carbon residue essential to the production of steel via the blast furnace route due to its ability to act as a high-strength permeable support for the blast furnace charges. The solid coherent coke is produced from coking coal via the high temperature carbonization process. Such coal-to-coke transformation is governed by the coal’s thermoplastic behaviour which includes softening, bubble formation, swelling, and resolidification during pyrolysis. Only coals of a certain rank are able to exhibit thermoplastic development and are termed as coking coals. Non-coking coals, on the other hand, do not soften or melt and are not suitable for coke-making purposes. The thermoplastic development of a coking coal within the plastic range (400-600 °C) is attributable to the present of materials either existing in the raw coal (here called the mobile phase and extracted with tetrahydrofuran, THF) or being generated on heating coal (here called the metaplast and also extracted by THF). The physical changes during coking coal pyrolysis are well described and can be examined to empirically determine coal plastic properties by a number of standard tests. However, these physical phenomena are induced by underlying chemical changes, particularly the chemical description of the metaplast formation, which are poorly understood. Further, coal thermoplasticity is heavily influenced by the concentration of its organic components which can be classified into vitrinite, liptinte, and inertinite groups. During pyrolysis, only the vitrinites and liptintes exhibit thermoplasticity while components in the inertinite group are expected to remain inactive. For that reason, investigation on the metaplast formation in individual maceral groups is of interest for a better understanding of coal thermoplasticity. This research studied mechanisms of the metaplast formation by conducting the thermoplastic investigation on two coals of different types, one was a coking coal and the other was a non-coking coal. Such investigation was also extended to their maceral concentrates acquired by using a novel water-based separation technique. The utilization of water allowed studies to be conducted without concerns of negative impact imposing on the thermoplastic behaviour of the concentrates as observed when other conventional organic and inorganic solvents were used as separation media. The thermoplastic properties of samples during pyrolysis were examined by using conventional and novel thermal analytical techniques to describe their thermoswelling and volatiles release. Broad chemical changes were assessed via molecular weight distributions of the metaplast (THF extracts) and volatile tars (dissolved in acetone) by using a soft ionization mass spectrometry technique. Finally, physical properties of the resultant cokes and residues were evaluated via their morphological structure by using scanning electron microscopy (SEM). This work confirmed the contribution of both the mobile phase and the metaplast to the thermoplastic development of the investigated coking coal. The mobile phase accounted for ~2% of the raw coal mass but contributed to ~20% of the coal swelling. The metaplast yield, acquired at temperature prior to softening, was ~20% and its removal from the heated coal via solvent extraction has shown to eliminate the coal thermoswelling. Further investigation on the molecular weight distribution of the mobile phase and the metaplast revealed that they shared similar molecular characteristics with the presence of two classes of materials, one containing 12-14 Da repeating structures at <600 Da and the other consisting of 24 Da reoccurring units at >600 Da. However, while the metaplast possessed a very broad molecular weight distribution which could extend to ~3000 Da, the upper molecular weight limit in the mobile phase was found to be ~1000 Da. Therefore, the difference in contributing to coal swelling between the mobile phase (materials pre-existing in the raw coal) and the metaplast (heat generated materials) was attributable to the difference in their molecular weight limit. The molecular characteristics of the metaplast were found to vary with pyrolysis temperatures and closely followed the coal thermoplastic development. The upper limit in its molecular weight distribution extended from ~1800 Da at temperatures below the plastic range to ~3000 Da at temperatures prior to the softening onset and decreased back to only ~600 Da at the end of the plastic range. Such significant variation in the metaplast molecular weight was also accompanied by the absence the 24 Da reoccurring units at high temperatures, indicating the important role of these materials to coal thermopalsticity. The variation in vitrinite content imposed a great impact on the thermoplastic behaviour of coking samples. Vitrinite-rich concentrates exhibited extensive thermoswelling during pyrolysis, while negligible volumetric expansion was recorded in inertinite-rich samples despite showing evidence of particles softening at micro level. The alteration of the vitrinite content via coal maceral concentration also changed the yields of the metaplast, tar, and light gases with vitrinite-rich samples generating higher yields of these pyrolysis products than inertinite-rich samples. The molecular features of the metaplast were insignificantly altered despite the wide vitrnite variation in the maceral concentrates. Specifically, coking concentrates all produced the metaplast with a bimodal molecular weight distribution, similar to that of their parent coal. Non-coking concentrates, on the contrary, generated solvent extracts with unimodal molecular weight distribution containing only the 12-14 Da repeating structures. Such absence of the second material class with 24 Da reoccurring units was also found in solvent extracts isolated from the non-coking coal at multiple temperatures covering the plastic range, confirming the importance of these heavier materials to the thermoplastic development of a coal sample. A focused study of coal extracts revealed that their pyrolysis products also consisted of tar, light gases, and solid residue, similar to the pyrolysis products obtained from coal. Their molecular characteristics were shown to have a critical influence to their devolatilization and product distribution. Coking coal extracts with a relatively more complex structure (e.g., the metaplast with molecular weight limit of ~3000 Da) generated higher yield of solid residue and lower yield of volatile matter than non-coking extracts with relatively less complex structure (e.g., molecular weight limit of ~1000 Da). In addition, as coking extracts were found to be active in the plastic range, it was speculated that these metaplastic materials might linger inside coal particles when formed and contribute to the coal thermoplastic behaviour. By comparison, as solvent extracts acquired from non-coking samples were less active in the plastic range, these materials were suggested to not retain inside coal particles. They might vaporize as soon as they were formed and not contribute to the formation of the liquid phase.

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Livres sur le sujet "MetaPlab"

Geōrgios, Stamatēs, et Stauropoulou-Gatsē Maria, dir. Trichoneion, Akrai, Metapa : Aitōlōn poleis. Athēna : Sēma, 2011.

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Matagalpa y Metapa : Aquellas montañas azules. Managua : Editarte, 2007.

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Rizo, Mario. Aproximación a la historia del municipio de Ciudad Darío : De metapa y chocoyos a Ciudad Darío. Ciudad Darío : Asociación Dariana, 2011.

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Freimuth, Joachim, et Fritz Straub. Demokratisierung von Organisationen. Philosophie, Ursprünge und Perspektiven der Metaplan- Idee. Dr. Th. Gabler Verlag, 1996.

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Chapitres de livres sur le sujet "MetaPlab"

Castellini, Alberto, et Vincenzo Manca. « MetaPlab : A Computational Framework for Metabolic P Systems ». Dans Membrane Computing, 157–68. Berlin, Heidelberg : Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-95885-7_12.

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Roe, Michael. « The Metaplace Security Model ». Dans Security Protocols XIX, 313–26. Berlin, Heidelberg : Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25867-1_30.

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Magerkurth, Carsten, et Thorsten Prante. « „Metaplan“ für die Westentasche : Mobile Computerunterstützung für Kreativitätssitzungen ». Dans Berichte des German Chapter of the ACM, 163–71. Wiesbaden : Vieweg+Teubner Verlag, 2001. http://dx.doi.org/10.1007/978-3-322-80108-1_18.

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Roe, Michael. « The Metaplace Security Model (Transcript of Discussion) ». Dans Security Protocols XIX, 327–35. Berlin, Heidelberg : Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25867-1_31.

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Dhingra, Naina, Reinhard Koutny, Sebastian Günther, Klaus Miesenberger, Max Mühlhäuser et Andreas Kunz. « Pointing Gesture Based User Interaction of Tool Supported Brainstorming Meetings ». Dans Lecture Notes in Computer Science, 21–29. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58805-2_3.

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Résumé :

AbstractThis paper presents a brainstorming tool combined with pointing gestures to improve the brainstorming meeting experience for blind and visually impaired people (BVIP). In brainstorming meetings, BVIPs are not able to participate in the conversation as well as sighted users because of the unavailability of supporting tools for understanding the explicit and implicit meaning of the non-verbal communication (NVC). Therefore, the proposed system assists BVIP in interpreting pointing gestures which play an important role in non-verbal communication. Our system will help BVIP to access the contents of a Metaplan card, a team member in the brainstorming meeting is referring to by pointing. The prototype of our system shows that targets on the screen a user is pointing at can be detected with 80% accuracy.

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Andreace, F., C. Pizzi et M. Comin. « MetaProb 2 : Improving Unsupervised Metagenomic Binning with Efficient Reads Assembly Using Minimizers ». Dans Computational Advances in Bio and Medical Sciences, 15–25. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-79290-9_2.

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Mazzocca, N., M. Rak et U. Villano. « MetaPL : A Notation System for Parallel Program Description and Performance Analysis ». Dans Lecture Notes in Computer Science, 80–93. Berlin, Heidelberg : Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-44743-1_8.

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Liedo, P., J. L. Zavala, D. Orozco, C. Fredersdorff et A. J. Schwarz. « Ten Years of Successful Medfly Sterile Mass Production at Metapa, Chiapas, Mexico ». Dans Fruit Flies, 269–75. New York, NY : Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4757-2278-9_52.

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Dominguez, J. C., J. L. Zavala, P. Liedo et N. D. Bruzzone. « Implementation of the Starter Diet Technique for Medfly Mass-Rearing at Metapa, Chiapas, Mexico ». Dans Fruit Flies, 277–80. New York, NY : Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4757-2278-9_53.

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« Mysticism, Metapl!Jsic, and Magic ». Dans Year Amongst The Persians, 159–93. Routledge, 2013. http://dx.doi.org/10.4324/9780203039595-10.

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Actes de conférences sur le sujet "MetaPlab"

McArthur, Ian, et Fang Xu. « metaPLACE ». Dans MAB20 : Media Architecture Biennale 20. New York, NY, USA : ACM, 2021. http://dx.doi.org/10.1145/3469410.3469415.

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Jiang, Meng, Jingbo Shang, Taylor Cassidy, Xiang Ren, Lance M. Kaplan, Timothy P. Hanratty et Jiawei Han. « MetaPAD ». Dans KDD '17 : The 23rd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. New York, NY, USA : ACM, 2017. http://dx.doi.org/10.1145/3097983.3098105.

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Ramshaw, Lance A. « A metaplan model for problem-solving discourse ». Dans the fourth conference. Morristown, NJ, USA : Association for Computational Linguistics, 1989. http://dx.doi.org/10.3115/976815.976820.

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Kim, Minji, Jonathan G. Ligo, Amin Emad, Farzad Farnoud, Olgica Milenkovic et Venugopal V. Veeravalli. « MetaPar : Metagenomic sequence assembly via iterative reclassification ». Dans 2013 IEEE Global Conference on Signal and Information Processing (GlobalSIP). IEEE, 2013. http://dx.doi.org/10.1109/globalsip.2013.6736807.

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Chen, M., et J. F. Nunamaker. « MetaPlex : an integrated environment for organization and information system development ». Dans the tenth international conference. New York, New York, USA : ACM Press, 1989. http://dx.doi.org/10.1145/75034.75047.

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Javed, Isma, Muhammad Ashar Naveed, Muhammad Zubair, Muhammad Qasim Mehmood et Yehia Massoud. « Pseudo non-diffracting beam array through high-indexed dielectric metaplate ». Dans 2022 IEEE 22nd International Conference on Nanotechnology (NANO). IEEE, 2022. http://dx.doi.org/10.1109/nano54668.2022.9928777.

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MAZZOCCA, N., M. RAK et U. VILLANO. « PARALLEL PROGRAM DEVELOPMENT USING THE METAPL NOTATION SYSTEM ». Dans Proceedings of the International Conference ParCo2001. PUBLISHED BY IMPERIAL COLLEGE PRESS AND DISTRIBUTED BY WORLD SCIENTIFIC PUBLISHING CO., 2002. http://dx.doi.org/10.1142/9781860949630_0059.

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Yao, Zhichao, Valentina Zega, Yan Su et Alberto Corigliano. « A Metaplate in MEMS for innovative applications : vibration isolation and tunable mechanical filters ». Dans 2020 IEEE SENSORS. IEEE, 2020. http://dx.doi.org/10.1109/sensors47125.2020.9278691.

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Mazzocca, N., M. Rak et U. Villano. « The metaPL approach to the performance analysis of distributed software systems ». Dans the third international workshop. New York, New York, USA : ACM Press, 2002. http://dx.doi.org/10.1145/584369.584391.

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