Bibliografias temáticas / Uchi

Literatura científica selecionada sobre o tema "Uchi"

Autor: Grafiati
Publicado: 23 de junho de 2021
Última modificação: 1 de fevereiro de 2022

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  3. Livros
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Artigos de revistas sobre o assunto "Uchi":

1

Magalhães, Lyege Amazonas M., Maria da Paz Lima, Helyde Albuquerque Marinho e Antonio Gilberto Ferreira. "Identificação de bergenina e carotenóides no fruto de uchi (Endopleura uchi, Humiriaceae)". Acta Amazonica 37, n.º 3 (2007): 447–50. http://dx.doi.org/10.1590/s0044-59672007000300016.

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O extrato obtido em metanol da polpa de frutos Endopleura uchi foi submetido a fracionamento utilizando-se técnicas cromatográficas convencionais levando ao isolamento de bergenina. Na análise da composição dos carotenóides foi evidenciada a predominância de beta-caroteno (16,57 mig.g-1). Os isômeros do beta-caroteno foram detectados, trans-beta-caroteno (89,3%), 13-cis-beta-caroteno (8%) e 9-cis-beta-caroteno (3%). Considerando a importância do papel nutricional dos carotenóides e a bioatividade do glicosídeo bergenina, esse estudo sugeriu o potencial desse fruto como alimento funcional.
2

Abreu, Viviane Gomes da Costa, Geone Maia Corrêa, Izandina Aparecida dos Santos Lagos, Roqueline Rodrigues Silva e Antônio F. de C. Alcântara. "Pentacyclic triterpenes and steroids from the stem bark of uchi (Sacoglottis uchi, Humiriaceae)". Acta Amazonica 43, n.º 4 (dezembro de 2013): 525–28. http://dx.doi.org/10.1590/s0044-59672013000400015.

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The ethanol extract from stem bark of Sacoglottis uchi Huber (popularly known as “uchi” in the Amazon Region) was submitted to chromatographic fractionation. The dichloromethane fractions provided the pentacyclic triterpene 3-oxo-friedelin (1). The dichloromethane:methanol fractions provided the pentacyclic triterpenes pseudotaraxasterol (2), lupeol (3), a-amyrin (4), betulin (5), and methyl 2ß,3ß-dihydroxy-urs-12-en-28-oate (6) and a mixture of the steroids sitosterol (7) and stigmasterol (8). Their chemical structures were determined by NMR spectroscopy and comparison with spectroscopic data from the literature. All compounds are described for the first time in this species.
3

Nogueira Serrano, Luis. "El kumi-uchi desde la perspectiva de la Kaze no Ryu". Revista de Artes Marciales Asiáticas 5, n.º 2 (12 de julho de 2012): 123. http://dx.doi.org/10.18002/rama.v5i2.115.

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<em>Kumi-uchi</em>, literally “grasp and strike”, is a traditional Japanese fighting art mainly based on non-armed techniques. As such, <em>kumi-uchi</em> is consider to have emerged as a complement to the main samurai martial arts, so as to face those difficult situations in which the samurai lost his most powerful weapons. This paper studies the art of <em>kumi-uchi</em> from the Kaze no Ryu school standpoint. The meaning and extension of <em>kumi-uchi</em>, its main aspects, types, dimension and evolution are analyzed. Similarly, we place <em>kumi-uchi</em> into the Kaze no Ryu martial curriculum and reflect on its importance in martial artists’ education.
4

Wiyatasari, Reny. "Konsep Uchi-Soto Dalam Penerjemahan Yari-Morai". Chi'e: Journal of Japanese Learning and Teaching 8, n.º 1 (28 de março de 2020): 57–63. http://dx.doi.org/10.15294/chie.v8i1.36808.

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This study aims to describe the understanding of Japanese language students about the ‘uchi-soto’ concept which is the standard for Japanese people when using the ‘yari-morai’ expression. This also relates to the process of translating speeches containing the verb ‘yari-morai’. Data sources are Japanese manga (Japanese) and a questionnaire that lists structured questions. The method used in data collection is the listening method with tapping technique as the basic technique and the listening-free-engaged-conversation technique as an advanced technique. Whereas in the analysis using contextual and descriptive methods, the sentence is analyzed by explaining the context, the concept of ‘uchi-soto’ in relation to the use of ‘yari-morai’ auxiliary verbs, assessing the results of the translation and relating it to the concept of ‘uchi-soto’ in the linguistic realm. The results of this study indicate 1) in the yaru and ageru verbs, it was found that the respondents' understanding of the uchi-soto concept was the same lack. 2) on the morau verb, the authors found that respondents were able to determine the uchi-soto relationship and 3) in the kureru verb, some respondents can distinguish and determine the uchi-soto relationship well, however, when the kureru verb becomes kudasaru, even though the respondent can still recognize the uchi-soto relationship, some 100% of the translating results of the respondent are incorrect. So, from the students' understanding of the concept of uchi-soto which is associated with the results of translation it is known that it does not significantly correlate with student competence in translating utterances that contain yari-morai verbs and vice versa. Although some respondents answered correctly the uchi-soto relationship of the speakers involved in a conversation, it was not in accordance with the translation that resulted from both accuracy and acceptance. On the other hand, although the respondent is able to translate the fragments from the utterances, it is not able to determine the right relationship between speakers with other parties in the given conversation situation. Keywords: expressions; uchi-soto; yari-morai; translation
5

Ashby, Dominic. "Uchi/Sotoin Japan: A Global Turn". Rhetoric Society Quarterly 43, n.º 3 (maio de 2013): 256–69. http://dx.doi.org/10.1080/02773945.2013.792695.

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6

Wiyatasari, Reny. "REPRESENTASI KONSEP UCHI-SOTO DALAM BAHASA JEPANG". KIRYOKU 1, n.º 4 (7 de dezembro de 2017): 37. http://dx.doi.org/10.14710/kiryoku.v1i4.37-47.

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Like a coin, language and culture are two things that can not be separated. Through language, we can see the concept that is owned by a nation. In this article, the author intends to write one of the concepts embraced by Japanese society, namely uchi-soto. The embodiment of this concept is visible from the language they use. The structure in the demontrative pronoun (kosoado), the give-receive verb (jujudoushi), the honorific word (keigo), the forms of personal pronoun are the many Japanese patterns that presenting the uchi- soto. This article aims to explain the form and expression of the basic Japanese use of the concept on the value of uchi-soto through various examples of sentences anad speech. The data used in this article is taken from various libraries, such as from textbooks, short stories and dialogue in Japanese movies.
7

Silva, Saulo L. da, Viviane Guedes de Oliveira, Tomomasa Yano e Rita de Cássia Saraiva Nunomura. "Antimicrobial activity of bergenin from Endopleura uchi (Huber) Cuatrec". Acta Amazonica 39, n.º 1 (março de 2009): 187–91. http://dx.doi.org/10.1590/s0044-59672009000100019.

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Endopleura uchi (Huber) Cuatrec. is an Amazon species traditionally used as treatment for inflammations and female disorders. Bergenin was isolated from ethyl acetate fraction of bark of E. uchi by using column chromatography over sephadex LH-20 and then silica gel 60 flash. Its structure was identified on the basis of its NMR spectra. The antimicrobial activity of bergenin and fractions of methanol extract of E. uchi were evaluated against ATCC microorganisms (Escherichia coli, Salmonella enteritidis, Pseudomonas aeruginosa, Enterococcus faecalis, Staphylococcus aureus, Candida albicans, C. guilliermondii, Aspergillus flavus, A. nidulans). Clinically isolated strains of all of these microorganisms, along with C. tropicalis, A. niger, Shigella sonnei, Serratia marcenses and Klebsiella pneumoniae were also evaluated. The growth inhibition caused by bergenin, extracts and fractions of E. uchi against ATCC microorganisms were similar to the inhibition to microorganisms clinically isolated. The ethyl acetate fraction and the isolate bergenin inhibit the growth of the yeasts C. albicans, C. tropicalis, and C. guilliermondii, but present lower activity against filamentous fungi Aspergillus flavus, A. nidulans, A. niger, and did not inhibit the Gram positive and Gram negative bacteria. The activity of the ethyl acetate fraction and bergenin are in agreement wit its high concentration found in bark extract of E. uchi. Moreover, the selective activity against three Candida species helps to understand its traditional use against infections that affect women.
8

Peixoto, Herbenya, Mariana Roxo, Emerson Silva, Karla Valente, Markus Braun, Xiaojuan Wang e Michael Wink. "Bark Extract of the Amazonian Tree Endopleura uchi (Humiriaceae) Extends Lifespan and Enhances Stress Resistance in Caenorhabditis elegans". Molecules 24, n.º 5 (6 de março de 2019): 915. http://dx.doi.org/10.3390/molecules24050915.

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Endopleura uchi (Huber) Cuatrec (Humiriaceae), known as uxi or uxi-amarelo in Brazil, is an endemic tree of the Amazon forest. In traditional medicine, its stem bark is used to treat a variety of health disorders, including cancer, diabetes, arthritis, uterine inflammation, and gynecological infections. According to HPLC analysis, the main constituent of the bark extract is the polyphenol bergenin. In the current study, we demonstrate by in vitro and in vivo experiments the antioxidant potential of a water extract from the stem bark of E. uchi. When tested in the model organism Caenorhabditis elegans, the extract enhanced stress resistance via the DAF-16/FOXO pathway. Additionally, the extract promoted an increase in the lifespan of the worms independent from caloric restriction. It also attenuated the age-related muscle function decline and formation of polyQ40 plaques, as a model for Huntington’s disease. Thus, these data support anti-aging and anti-oxidant properties of E. uchi, which has not yet been described. More studies are needed to assess the real benefits of E. uchi bark for human health and its toxicological profile.
9

Godjali, Sharnetta Florenzia. "Pronomina Persona Omae pada Komik One Piece Volume 17 Karya Eichiro Oda". Japanese Research on Linguistics, Literature, and Culture 2, n.º 1 (30 de dezembro de 2019): 77–92. http://dx.doi.org/10.33633/jr.v2i1.3443.

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 This research disccusses about the use of personal pronoun omae on comic One Piece Volume 17. The purpose of this research is to analyse how using second person pronoun omae. In the concept uchi-soto which applied by the speakers for the interlocutors. The data of this research were analyzed by using uchi-soto concept proposed by Nakane Chie and Hirabayashi-Hama. It also discusses the factors of using polite language. The result of the data analysis show that omae is used in formal and informal context. It also used by the speakers to speak with various kind of interlocutors : close friends, outsiders, or enemies. It also used by both female and male. Keyword : Second Person Pronouns, uchi-soto, omae, speaker, listener
10

Nukui, Hiroki. "Japanese intercultural communication hindrances in business environment: Case studies with Polish counterparts". Lodz Papers in Pragmatics 15, n.º 2 (18 de dezembro de 2019): 163–81. http://dx.doi.org/10.1515/lpp-2019-0010.

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AbstractJapan has been facing with paradigm shift necessity in terms of the demographic structure, globalizing business and technology revolution, and as its consequence, also with deficiency of human resources with global literacy. The Japanese government has established a new strategy aiming to develop and foster “Global Human Resources” with high language and communication skills capable for international operations. Analyses of the literature on Japanese sociocultural behavioral characteristics and empirical case studies carried out in Poland with pragmatics approach in this paper reveal that honorifics regarded as a technical layer of interaction management and Japanese habitus consisting of uchi/soto behavioral scheme, unique uchi-codex are causes of interaction failure. These features make Japanese uchi-group ethnocentric and almost impossible for a non-Japanese to assimilate themselves to the uchi-codex. Neither a foreign speaker’s high level of proficiency of the Japanese language nor their good knowledge on Japanese culture itself guarantee successful communication and interaction in the Japanese business sector without their practical ability and endeavors to apply this Japanese behavioral scheme even partially. The whole sociocultural and behavioral discrepancy or this incompatibility of Japanese behavioral scheme to other cultures seems to keep the Japanese away from achieving Human Resources with global literacy.
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Artigos de revistas Teses / dissertações Livros

Teses / dissertações sobre o assunto "Uchi":

1

Politi, Flávio Augusto Sanches [UNESP]. "Estudos farmacognósticos e avaliação de atividades biológicas de extratos obtidos das cascas pulverizadas de Endopleura uchi (Huber) cuatrec. (Humiriaceae)". Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/91684.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
O desenvolvimento de agentes antimicrobianos eficazes e seguros para combater infecções bacterianas revolucionou o tratamento médico nos últimos 60 anos. Entretanto, aliado à própria evolução dos organismos, o uso indiscriminado dos antibióticos selecionou espécies extremamente resistentes aos agentes químicos utilizados. Como uma tentativa de contornar tal situação e ampliar o arsenal de compostos ativos contra microrganismos patógenos, o estudo de plantas tornou-se crescente no cenário científico. Para utilizarmos os fitoterápicos na prevenção e/ou cura de doenças são necessários estudos prévios relativos a aspectos botânicos, farmacognósticos, fitoquímicos, farmacológicos e toxicológicos. Neste trabalho, foram estudados extratos obtidos com as cascas pulverizadas de Endopleura uchi (Huber) Cuatrec., quanto aos aspectos farmacognósticos, propriedades antimicrobianas frente a diversas linhagens bacterianas e uma levedura, e a citotoxicidade contra células de mamíferos. Nossos resultados mostraram que quanto ao rendimento, o melhor extrato foi obtido com a percolação 20% (m/v) e, quanto ao teor de taninos totais, o melhor extrato foi obtido com a percolação 10% (m/v). Nenhum dos extratos utilizados apresentou efetividade na inibição do crescimento para a os microrganismos testados. A exceção ocorreu para Staphylococcus aureus, no qual os extratos apresentaram baixa atividade. Quanto à citotoxicidade, todos os extratos analisados apresentaram IC50 maior que a maior concentração aplicada (2 mg/mL).
The development of effective and safe antimicrobial agents to combat microbial infections revolutionized the medical treatment in the last 60 years. However, together to the self evolution of the organisms, the indiscriminate use of the antibiotics selected extremely resistant species to chemical agents used. As an attempt of to avoid this situation and to enlarge the arsenal of active compounds against pathogenic microorganisms, the study of plants has been growing in the scientific scenary. For the use of phytotherapics in the prevention and/or cure of diseases are necessary previous studies relative to botanical, pharmacognostics, phytochemical, pharmacological and toxicological aspects. In this work, were studied extracts obtained with the powdered barks of Endopleura uchi (Huber) Cuatrec., for their pharmacognostic aspects, antimicrobial properties against to several bacterial strains and a yeast, and the cytotoxicity against mammals cells. Our results showed that, related to yield, the best extract was obtained with the percolation 20% (w/v) and, related to total tannins teor, the best extract was obtained with the percolation 10% (w/v). None of the used extracts presented inhibition of the growth to the most analyzed microorganisms. The exception occurred against the Staphylococcus aureus strain, in which the extracts presented a low activity. All analyzed extracts for cytotoxicity presented IC50 higher than the higher applied concentration (2 mg/mL).
2

Muniz, Magno Perêa. "Estudo fitoquímico e da atividade biológica de Endopleura uchi Huber Cuatrecasas". Universidade Federal do Amazonas, 2013. http://tede.ufam.edu.br/handle/tede/3314.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
The species Endopleura uchi, Humiriaceae family, native to the Amazon, is commonly known as uxi-amarelo or uxi-liso. The tea from its bark is popularly referred to uterine inflammation, urinary, and extremely effective in treating specific fibroids and polycystic ovary. Based on information collected about the popular use of this species in the region of Manaus, the study was conducted to obtain the phytochemical investigation of Endopleura uchi which led to the isolation of friedelin, a pentacyclic triterpene, and also bergenin, a gallic acid derivative, known to have various biological activities and is the main component in the species. In the present study were quantified bergenin in different extracts of different parts of the plant and also in commercial bark Endopleura uchi. The result showed a higher percentage of Bergenin in methanol extracts of bark (CEM-1 = 4.17% and CEM-2 = 4.75%) followed by extracts of leaves and in lower concentrations in aqueous extracts of twigs (GEA-1 = 1.95% and GEA-2 = 1.89%), bergenin as indicating the major component Endopleura uchi and that may be related to biological activities popularly given to the species. All samples analyzed showed the presence of bergenin with percentages ranging from 0.20% to 3.57%, confirming the authenticity of the plant material. Was also performed quantification of total phenolics by Folin-Ciocalteu, which revealed high levels of phenolic compounds from 16.69 to 43.02 mg GAE/g dry extract. This evaluation of the antioxidant activity by reducing iron ranged from 230.43 to 567.89 mmol Fe+2/g of dry extract and the scavenge of radical DPPH ranged from CS50 = 12.04 to 24.20 g/ml. The test for evaluation of antiulcer activity of the fractions ethyl acetate and chloroform leaves showed preventive effects of ulcerations as much as the positive control. The anti-inflammatory assay of aqueous extracts and fractions of Endopleura uchi by inhibition of nitric oxide (NO ) showed significant inhibition capacity, the best result being attributed to chloroform fraction of the leaves with IC50 = 3.2 g/mL. The results obtained from the leaves, twigs and bark species Endopleura uchi with great therapeutic value by the presence of antioxidant compounds and their ability anti-inflammatory and antiulcer, enabling the use of this popular safer plant species and the possible contribution to the development of herbal products or news drugs.
A espécie Endopleura uchi, da família Humiriaceae, nativa da Amazônia, é conhecida comumente como uxi-amarelo ou uxi-liso. O chá de suas cascas é popularmente indicado para inflamação uterina, urinária, e extremamente eficaz no tratamento específico de miomas e ovário policístico. Com base nas informações coletadas sobre o uso popular dessa espécie na região de Manaus, foi desenvolvida a investigação fitoquímica de Endopleura uchi que levou ao isolamento da friedelina, um triterpeno pentacíclico, e também da bergenina, um derivado do ácido gálico, conhecido por apresentar diversas atividades biológicas e por ser o principal componente na espécie. No presente estudo foi realizado a quantificação de bergenina em diferentes extratos de partes distintas da planta e também em amostras de cascas comerciais de Endopleura uchi. Os resultados dos extratos mostraram maior porcentagem de bergenina nos extratos metanólicos das cascas (CEM-1 = 4,17 % e CEM-2 = 4,75 %) seguido dos extratos das folhas e em menor quantidade nos extratos aquosos dos galhos (GEA-1 = 1,95 % e GEA-2 = 1,89%), indicando a bergenina como componente majoritário de Endopleura uchi e que pode estar relacionada às atividades biológicas indicadas popularmente para a espécie. Todas as amostras comerciais analisadas indicaram a presença de bergenina com porcentagens que variaram entre 0,20 % a 3,57 %, confirmando a autenticidade do material vegetal. Foi realizado a quantificação de fenólicos totais nos extratos pelo método de Folin Ciocalteu, que revelou altos teores de compostos fenólicos entre 16,69 43,02 mg EAG/g de extrato seco. A avalição da atividade antioxidante dos extratos pela redução de ferro variou de 230,43 a 567,89 mmol Fe+2/g de extrato seco e pelo sequestro de radicais de DPPH variou entre CS50 = 12,04 a 24,20 g/mL. O ensaio para avaliação da atividade antiúlcera das frações acetato de etila e clorofórmica das folhas evidenciaram efeitos preventivos das ulcerações tanto quanto o controle positivo. O ensaio anti-inflamatório dos extratos aquosos e frações de Endopleura uchi pela inibição de óxido nítrico (NO) apresentaram capacidade de inibição significantes, sendo o melhor resultado atribuído à fração clorofórmica das folhas com IC50 = 3,2 g/mL. Os resultados obtidos das folhas, galhos e cascas revelam a espécie Endopleura uchi com amplo valor terapêutico pela presença de compostos antioxidantes e por sua capacidade anti-inflamatória e antiúlcera, possibilitando o uso popular mais seguro dessa espécie vegetal e para a contribuição do desenvolvimento de possíveis produtos fitoterápicos ou até de novos fármacos.
3

Ferguson, Taylor Easton. "Using Auditory Feedback to Improve the Performance of Judokas during Uchi Komi". Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5014.

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Auditory feedback has been shown to be highly effective at teaching new skills to athletes in a variety of sports. This method consists of targeting a routine, breaking down the specific skills required to complete the routine, and training an individual on those skills using an auditory device to provide feedback on correct responses. This study evaluated the effectiveness of auditory feedback for improving a judo technique. One set of techniques taught in judo are standing throws, which require a partner to receive the technique (uke.) These throws require specific skills to successfully implement the technique. Auditory feedback was evaluated within a multiple baseline across participants design to increase skills for one specific standing throw, ippon seoi nage (one armed shoulder throw.) The skills were scored on a seven item checklist. All participants improved their performance on ippon seoi nage at a quicker pace than what was observed during baseline.
4

Tarnocai, Charles A. "Gold mineralization at the Campbell Mine, Red Lake greenstone belt, Uchi subprovince, Ontario". Thesis, University of Ottawa (Canada), 2001. http://hdl.handle.net/10393/6216.

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The Campbell mine is located in the eastern part of the Red Lake greenstone belt, Uchi Subprovince. Auriferous veins are parallel to S2, and are termed foliation parallel auriferous veins (NW striking, SW dipping). Auriferous veins also occur in shear zones which are oblique to the regional NW trending foliation (foliation-oblique deformation zones). These auriferous veins occur proximal to the F2 fold hinges. The deformation zones are typically meters to 10's of meters wide, and are characterized by more intense foliation development, and abundant carbonate veins and veinlets. Progressive D2 shortening resulted in a late D2 decollement along the southwestern limb of the Balmer synform, cutting and offsetting auriferous mineralization. Several stages of hydrothermal activity are recognized in the Campbell mine area. Subsequent Au mineralization occurs in quartz veins and quartz + arsenopyrite hydrothermal breccias within quartz + carbonate veins; thus most of the Au mineralization overprints pre-existing quartz + carbonates within the D2 shear zones. Native gold from amphibolite facies domains contains significant Ag, precluding that it formed by the thermal decomposition of aurostibite. Therefore, the spatial variations in occurrence of Au phases reflect the deposition of Au during the peak metamorphism. Higher metamorphic grade rocks are extended westward along the auriferous shear zones, suggesting heat transfer along shear zones by hydrothermal fluids. This suggests a magmatic heat source to the east for auriferous hydrothermal activity. Hence, Au mineralization likely took place during the emplacement of the marginal phase of the Trout Lake batholith. The lack of Type II inclusions in high Au grade breccias is interpreted as a result of the selective loss of H2O following phase separation. Phase separation is probably the most important mechanism for the mineralization of high Au grades (>500 g/t Au) at the mine. The gold-related wallrock alteration at the Campbell Mine is similar to that in other Archean Au deposits hosted by lower amphibolite facies mafic rocks, such as the Coolgardie goldfields (Knight et al., 2000) and the Norseman district deposits (Mueller, 1992). The P-T conditions for the auriferous hydrothermal activity at many Archean lode-type deposits define a low P and high T path. The path indicates much higher temperatures than the Archean geotherm, suggesting either a contribution of heat from contemporaneous magmas to auriferous fluids, or rapid transfer of heat from deep levels. For syn-metamorphic Au deposits, the data support a magmatic heat source. This is in accord with the low P/high T conditions of the metamorphism accompanying the Au deposits. For post-peak metamorphic deposits, the data suggest transport of heat from a source external to the greenstone sequence. (Abstract shortened by UMI.)
5

Oliveira, Gustavo Rezende Bellei de. "Avaliação da eficácia antilipidêmica da Endopleura uchi Huber Cuatrec pelo método de inibição da lipase pancreática". Universidade Federal de Juiz de Fora, 2014. https://repositorio.ufjf.br/jspui/handle/ufjf/468.

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FAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
A obesidade é o resultado de diversas características do indivíduo, entre as quais se destacam os aspectos genéticos, ambientais e comportamentais. Sua ocorrência é devido ao acúmulo anormal ou excessivo de gordura, que pode resultar em risco de desenvolvimento de doenças graves e alterações lipídicas como dislipidemias e hipercolesterolemia. Vários tratamentos terapêuticos são utilizados para redução do peso corporal. Medicamentos com ação inibidora da lipase digetiva na região do lumen intestinal são utilizados para controlar o metabolismo lipídico, que propicia a redução da absorção de gordura. As plantas têm sido amplamente estudadas como recurso terapêutico, fundamentado no uso popular. Várias plantas apresentam ação antilipidêmica comprovada, devido à presença dos catecois. A Endopleura uchi, conhecida popularmente como uxi amarelo, apresenta em seus extratos, derivados fenólicos e flavonoídicos (catequinas). Este trabalho teve como objetivo, o estudo de avaliação da eficácia antilipidêmica da casca de Endopleura uchi, empregando método espectrofotométrico. A amostra de casca de E. uchi seca e triturada foi adquirida comercialmente. A metodologia envolveu a obtenção dos extratos; quantificação de derivados flavonoídicos e derivados fenólicos totais; avaliação da atividade antioxidante e determinação do efeito inibidor dos extratos na atividade enzimática da lipase pancreática. Foram preparados três extratos em solventes com polaridades diferentes, a partir de 200g de casca seca triturada de E. uchi. Para a determinação de derivados flavonídicos foi utilizado o método com cloreto de alumínio em meio ácido na presença de piridina e para derivados fenólicos totais o método com reagente de Folin-Ciocalteau. A atividade antioxidante foi realizada pelo ensaio de redução do radical DPPH. O efeito antilipidêmico dos extratos foi avaliado através da inibição enzimática da lipase pancreática utilizando como substrato o p-nitrofenolpalmitato. Os extratos obtidos apresentaram rendimento de 23,4 g (11,7%) para o extrato em água, 34,2g (17,1%) de extrato em etanol 80% e 26,6 g (13,3%) de extrato em acetona 80%. O conteúdo de derivados flavonoídicos equivalente em quercetina por grama de amostra foi de 1,35mg para extrato em água, 1,80mg para extrato em etanol 80% e 2,13 mg para extrato em acetona 80%. O conteúdo de derivados fenólicos expressos em equivalente em ácido tânico por grama de amostra foi de 0,639g para extrato em água, 0,950g para extrato em etanol 80% e 0,930g para extrato em acetona 80%. As concentrações efetivas 50% para o método de DPPH variaram de 12,4 μg/mL, 9,7 μg/mL e 7,9 μg/mL para os extratos em água, etanol 80% e em acetona 80% respectivamente. Foi encontrada forte correlação entre atividade antioxidante e o conteúdo de derivados fenólicos. O coeficiente de Pearson para os três extratos foi r > 0,9. Na avaliação dos extratos frente a inibição da lipase pancreática, o extrato aquoso mostrou atividade inibidora de 47,54% (106,90 UIL/g), em etanol 80% (1:1) 36,88% (96,06 UIL/g) e extrato em acetona 80% (1:1) 49,33% (112,14 UIL/g). Os resultados obtidos mostraram a presença das atividades antilipidêmica e antioxidante dos extratos de casca de E. uchi, importantes para o tratamento de redução de gordura corporal.
Obesity is the result of various individual characteristics, among which stand out the genetic, environmental and behavioral aspects. Its occurrence is due to abnormal or excessive fat accumulation that may result in the risk of developing serious diseases and lipid disorders such as dyslipidemia and hypercholesterolemia. Many therapeutic treatments are used for reducing body weight. Drugs that inhibits the digestive lipase in the intestinal lumen region are used to control lipid metabolism, which promotes the reduction of fat absorption. Plants have been widely studied as a treatment method based on the popular use. Several plants have proven, due to the presence of catechols antilipemic action. The Endopleura uchi, popularly known as yellow uxi presents in their extracts, phenolic derivatives and flavonoids (catechins). This work aimed to study the efficacy assessment antilipemic bark Endopleura uchi, employing spectrophotometric method. A sample of E. uchi bark was dried and crushed commercially acquired. The methodology involved obtaining the extracts; quantification of flavonoid compounds and phenolic derivatives; evaluation of antioxidant activity and determination of the inhibitory effect of the extract on the enzymatic activity of pancreatic lipase. Three extracts were prepared in solvents with different polarities from 200g dry shredded bark of E. uchi. For the determination of the method flavonoid derivative with aluminum chloride in an acid medium in the presence of pyridine and phenolic derivatives with the method of Folin-Ciocalteau reagent was used. The antioxidant activity assay was performed by reduction of DPPH. Antilipemic effect of the extracts was assessed by enzymatic inhibition of pancreatic lipase using a substrate of p-nitrofenylpalmitate. The extracts showed yield 23,4 g (11,7%) for the water extract, 34,2 g (17.1%) of 80% ethanol extract and 26,6 g (13,3%) of 80% acetone extract. The content of flavonoid compounds in quercetin equivalent of gram of sample was 1,35 mg to water extract, 1,80 mg extract in 80% ethanol and 2,13 mg 80% extract acetone. The contents of phenolic derivatives expressed in equivalent of gram of tannic acid was 0,639 g sample to extract in water to 0,950 g in 80% ethanol extract and 0,930 g in 80% acetone extract. The effective concentration for 50% DPPH assay ranged from 12,4 μg/mL, 9,7 μg/mL and 7,9 μg/mL for the extracts with water, 80% ethanol and 80% acetone, respectively. Strong correlation between antioxidant activity and content of phenolic derivatives was found. The Pearson coefficient for the three extracts was r > 0,9. In the evaluation of the extracts against pancreatic lipase inhibition of the aqueous extract showed inhibitory activity of 47.54% (106,90 ALI/g) in 80% ethanol (1:1) 36,88% (96,06 ALI/g) and extract with 80% acetone (1:1) 49,33% (112,14 ALI/g). The results showed the presence of antilipemic and antioxidant activities of the extracts of bark of E. uchi, important for the treatment of body fat reduction.
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Tacon, Luciana Alves. "Estudo da extração e secagem por spray dryer das cascas de Endopleura uchi (Huber) Cuatrec. Humiriaceae". Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/60/60137/tde-28062012-154340/.

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O Brasil possui uma biodiversidade em flora muito grande e uma das plantas brasileiras que tem despertado muito interesse e tem sido alvo de muitos estudos é a Endopleura uchi (Huber) Cuatrec, Humiriaceae. Esta espécie é originária da Amazônia Brasileira e é muito utilizada popularmente para o tratamento de afecções do trato genito-urinário feminino e como anti-inflamatório. Acredita-se que suas ações sejam devidas a seu principal ativo constituinte a bergenina. Assim, o objetivo do presente trabalho foi estudar diferentes técnicas de extração das cascas de Endopleura uchi, bem como avaliar o processo de secagem do extrato, utilizando a técnica por spray dryer. Para isso foram realizados estudos de extração aplicando as técnicas de maceração dinâmica e ultrassom. Foi realizada a caracterização destes extratos (análise do teor de sólidos, atividade antioxidante, teor de fenóis e de bergenina), a fim de obter aquele com as características mais desejadas para dar seguimento ao processo de secagem por spray dryer. Estas análises foram feitas com auxílio da técnica funções de desejabilidade. As partículas secas obtidas foram submetidas as análises de quantificação do marcador, avaliação da atividade antioxidante, do teor de fenóis e estudo das caracterísricas farmacotécnicas, tais como: umidade, densidade aparente, compactada, ângulo de repouso, tamanho médio de partícula. Além disso, a morfologia das partículas obtidas foi analisada com auxílio da microscopia eletrônica de varredura. Em seguida, após uma série de avaliações utilizando ferramentas estatísticas, escolheu-se um extrato para estudo de possível atividade antimicrobiana contra micro-organismos do gênero Candida. Os resultados obtidos para a caracterização dos processos extrativos mostraram que o teor de sólidos chegou até a 5,11%, a atividade antioxidante teve sua IC50 variando de 2,0 a 6,0 ?g/mL, e o teor de fenóis variou de 26 a 47%. Também foram encontrados altos teores de bergenina, na faixa de 31 a 38%. Além disso, seu rendimento chegou a 4,0% com relação à quantidade de planta. Já com relação ao processo de secagem, obteve-se altos valores de rendimento (50 a 72%), sendo que a temperatura foi o fator que mais influenciou. O ângulo de repouso variou de 26 a 39°, conferindo fluxos excelentes a aceitáveis. O tamanho de partícula teve uma grande variação de 76 a 306 ?m. As partículas mostraram-se com formato bem esférico e algumas com uma superfície mais rugosa. Os extratos apresentaram inibição no crescimento sobre diferentes gêneros de Candida avaliados. Contudo, os fatores escolhidos influenciaram bastante nas características dos extratos. As extrações realizadas comprovaram o alto teor de fenóis e a alta atividade antioxidante de Endopleura uchi. E o processo de secagem nas condições estudadas não interferiu nas atividades biológicas da planta mostrando-se promissora como antioxidante e como um possível antimicrobiano.
Brazil has one of the world\'s largest biodiversity in flora and a plant that has attracted attention is the Endopleura uchi (Huber) Cuatrec, Humiriaceae, which is native of the Brazilian Amazon. This specie is utilized in treatment of the affections of feminine tract genito urinary and such as anti-inflammatory. It is believed that their actions are deriving from the major constituent, the bergenin. Thus, the objective of this work was to study different extraction techniques and the best conditions for drying uchi extracts in a spray dryer. For this extraction studies were chosen as being extractive processes: the dynamic maceration and ultrasound. It\'s realized the extracts characterization (solid content analyze, antioxidant activity; phenols content and bergenin content), for the achievement characteristics more desirables for drying in spray dryer. The analyzes were performed with desirability functions assistant. After realized this process, the dried particles obtained were submitted the analyzes of the marker quantification, evaluation antioxidant activity, solid contents and study pharmacotechnical characteristics such as moisture, bulk and tapped densities, repose angle, the mean particle size. The morphology of the particles was analyzed with scanning electron microscopy. After various analyzes utilizing statistics tools, was determined the best extract for study of the possible antimicrobial activity adversely microorganisms of Candida species. The results obtained for the extractive process characterization showed a solid content of the 5,11%, the antioxidant activity (IC50) ranged from 2.0 to 6.0 ?g/mL, the phenols content ranged from 36 to 47%. Achieve elevated bergenin content ranged from 31 to 38%. The bergenin yields amounted to 4.0% in relationship the plant quantity. In drying process, the values for yield were high (50 to 72%) and temperature was the parameter that more influenced. The repose angle ranged from 26 to 39º, conferring excellent to acceptable flow. The mean particle size had a bigger variation, ranged from 76 to 306 ?m. The particles showed spherical format and some of them with irregular surface. The extracts presented inhibition in growth of the different species Candida evaluated. However, the chosen factors significantly affect the characteristics of the extract. The extractions indicated the high phenols content and high antioxidant activity of the Endopleura uchi. And the drying process, in studies conditions, did not interfere in biological activities of the plant. Thus, Endopleura uchi showed how good antioxidant and a possible antimicrobial.
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Borowik, Alexandra. "Structural analysis in the footwall of the Uchi-English River subprovince boundary, Red Lake region, northwestern Ontario". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0024/MQ33941.pdf.

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Politi, Flávio Augusto Sanches. "Estudos farmacognósticos e avaliação de atividades biológicas de extratos obtidos das cascas pulverizadas de Endopleura uchi (Huber) cuatrec. (Humiriaceae) /". Araraquara : [s.n.], 2009. http://hdl.handle.net/11449/91684.

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Resumo: O desenvolvimento de agentes antimicrobianos eficazes e seguros para combater infecções bacterianas revolucionou o tratamento médico nos últimos 60 anos. Entretanto, aliado à própria evolução dos organismos, o uso indiscriminado dos antibióticos selecionou espécies extremamente resistentes aos agentes químicos utilizados. Como uma tentativa de contornar tal situação e ampliar o arsenal de compostos ativos contra microrganismos patógenos, o estudo de plantas tornou-se crescente no cenário científico. Para utilizarmos os fitoterápicos na prevenção e/ou cura de doenças são necessários estudos prévios relativos a aspectos botânicos, farmacognósticos, fitoquímicos, farmacológicos e toxicológicos. Neste trabalho, foram estudados extratos obtidos com as cascas pulverizadas de Endopleura uchi (Huber) Cuatrec., quanto aos aspectos farmacognósticos, propriedades antimicrobianas frente a diversas linhagens bacterianas e uma levedura, e a citotoxicidade contra células de mamíferos. Nossos resultados mostraram que quanto ao rendimento, o melhor extrato foi obtido com a percolação 20% (m/v) e, quanto ao teor de taninos totais, o melhor extrato foi obtido com a percolação 10% (m/v). Nenhum dos extratos utilizados apresentou efetividade na inibição do crescimento para a os microrganismos testados. A exceção ocorreu para Staphylococcus aureus, no qual os extratos apresentaram baixa atividade. Quanto à citotoxicidade, todos os extratos analisados apresentaram IC50 maior que a maior concentração aplicada (2 mg/mL).
Abstract: The development of effective and safe antimicrobial agents to combat microbial infections revolutionized the medical treatment in the last 60 years. However, together to the self evolution of the organisms, the indiscriminate use of the antibiotics selected extremely resistant species to chemical agents used. As an attempt of to avoid this situation and to enlarge the arsenal of active compounds against pathogenic microorganisms, the study of plants has been growing in the scientific scenary. For the use of phytotherapics in the prevention and/or cure of diseases are necessary previous studies relative to botanical, pharmacognostics, phytochemical, pharmacological and toxicological aspects. In this work, were studied extracts obtained with the powdered barks of Endopleura uchi (Huber) Cuatrec., for their pharmacognostic aspects, antimicrobial properties against to several bacterial strains and a yeast, and the cytotoxicity against mammals cells. Our results showed that, related to yield, the best extract was obtained with the percolation 20% (w/v) and, related to total tannins teor, the best extract was obtained with the percolation 10% (w/v). None of the used extracts presented inhibition of the growth to the most analyzed microorganisms. The exception occurred against the Staphylococcus aureus strain, in which the extracts presented a low activity. All analyzed extracts for cytotoxicity presented IC50 higher than the higher applied concentration (2 mg/mL).
Orientador: Rosemeire Cristina Linhari Rodrigues Pietro
Coorientador: Raquel Regina Duarte Moreira
Banca: Rosemeire Cristina Linhari Rodrigues Pietro
Banca: Hérida Regina Nunes Salgado
Banca: Niege Araçari Jacometti Cardoso Furtado
Mestre
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Pinto, Patrícia de Souza. "Caracterização Molecular de óleos fixos de alguns frutos da região Amazônica". Universidade Federal do Amazonas, 2012. http://tede.ufam.edu.br/handle/tede/3155.

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FAPEAM - Fundação de Amparo à Pesquisa do Estado do Amazonas
The economic exploitation of vegetable oil is considered by SUFRAMA (Superintendência da zona franca de Manaus) one of the best possibilities in the region. However there a few studies related to the chemical composition of amazon fruits and tjheir oil. We have studied the chemical composition of four amazon fruits, namely pataua (Oenocarpus bataua), bacaba (Oenocarpus bacaba), uxi-amarelo (Endopleura uchi) and piassava (Leopoldinia piassaba). It is the first report describing the fatty acid, tocopherol and phytosterol composition of piassava fruits. The fatty acid composition was determined by methyl ester conversion and high resolution gas-liquid chromatography and we achieved similar results as the published for pataua, bacaba and uxi-amarelo. Tocopherol composition and quantification was determined by high performance liquid chromatography. Uxi-amarelo had the higher contents of total tocopherols, while pataua the higher amounts of α-tocopherol. The phytosterols were determined by high resolution gas-liquid chromatography with flame-ionization and mass spectrometry detectors. Bacaba and piassava had the higher contents of β-sitosterol. Some biological activities were also determined for the available extracts. The antioxidant activity of methanolic extracts of pataua and bacaba were higher and a antioxidant compound, piceatanol, was also isolated. These extracts also showed the highest capacity to inhibit the enzyme lipoxidase. In the acetylcholinesterase inhibition assay, bacaba had lower capacity, but pataua showed good capacity. The extracts of piassava and bacaba showed also good larvicidal activity in the assays with Aedes aegypti and Culex quinquafasciatus. The chemical and biological results obtained by this study will help the use and development new products from the extracts of these fruits.
Os óleos vegetais têm sido uma das principais potencialidades econômicas apontadas pela Superintendência da Zona Franca de Manaus (SUFRAMA). No entanto, pouco se conhece à respeito da composição química de muitos dos óleos amazônicos. A composição química dos frutos de quatro espécies frutíferas amazônicas (Oenocarpus bataua (patauá), Oenocarpus bacaba (bacaba), Endopleura uchi (uxi-amarelo) e Leopoldinia piassaba (piaçava)) foi estudada. Para o fruto de piaçava é o primeiro relato da composição de ácidos graxos, tocoferóis e esteroides. A composição de ácidos graxos destes óleos foi determinada por cromatografia gasosa de alta resolução e foram obtidos resultados semelhantes aos da literatura para as amostras de patauá, bacaba, e uxi-amarelo. Os tocoferóis foram identificados e quantificados por cromatografia líquida de alta eficiência e o óleo de uxi-amarelo foi aquele que apresentou o maior percentual de tocoferóis totais, enquanto que o óleo de patauá possui o maior teor de α-tocoferol. Os esteroides foram identificados por cromatografia gasosa acoplada à espectrometria de massas e quantificados por cromatografia gasosa acoplada a detector por ionização de chama, indicando a bacaba e piaçava com maior teor de β-sitosterol. Quanto à atividade biológica, a atividade antioxidante foi maior para os extratos metanólicos das polpas de patauá e bacaba, de onde foi isolada uma substância antioxidante de patauá identificada como piceatanol. Os extratos metanólicos de bacaba e patauá apresentaram capacidade de inibição da enzima lipoxigenase, e baixa inibição da enzima acetilcolinesterase para bacaba e boa inibição para patauá. Amostras de extratos de piaçava e bacaba se mostraram ativas contra larvas de Aedes aegypti e Culex quinquafasciatus. O conhecimento da química e atividade biológica destes frutos possibilitará um melhor aproveitamento destes frutos pela indústria nutracêutica e de alimentos.
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Crews, Michael James. "Patterns of total strain in the walls of two greenstone assemblage boundaries, western Birch-Uchi (Confederation Lake) Belt, NW Ontario". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0003/MQ46013.pdf.

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Livros sobre o assunto "Uchi":

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Uchida, Rintarō. Fuku wa uchi oni mo uchi. Tōkyō: Iwasaki Shoten, 2004.

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Nakagawa, Hirotaka. Oni wa uchi! Tōkyō: Dōshinsha, 2000.

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3

Doi, Nobuko. Uchi no okazu. Tōkyō: Shufu no Tomosha, 1991.

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4

Takahashi, Midori. Uchi no utsuwa. 8a ed. Tōkyō: Media Fakutorī, 2003.

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5

Aoki, Tama. Koishikawa no uchi. Tōkyō: Kōdansha, 1998.

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6

Cole, Tyson. Uchi: The cookbook. Austin: Umaso Publishing, 2011.

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7

Matsumoto, Purittsu. Uchi no 3-shimai. Tōkyō: Shufu no Tomosha, 2007.

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Takayama, Naomi. Uchi no genmai gohan. Tōkyō: Nihon Hōsō Shuppan Kyōkai, 2004.

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Matsumoto, Purittsu. Uchi no 3-shimai. Tōkyō: Shufu no Tomosha, 2007.

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10

Matsumoto, Purittsu. Uchi no 3-shimai. Tōkyō: Shufu no Tomosha, 2006.

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Capítulos de livros sobre o assunto "Uchi":

1

Horie, Kaoru, Miya Shimura e Prashant Pardeshi. "Overt anaphoric expressions, empathy, and the uchi-soto distinction". In Emotive Communication in Japanese, 173–90. Amsterdam: John Benjamins Publishing Company, 2006. http://dx.doi.org/10.1075/pbns.151.09hor.

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Green, David. "Uchi or Soto? Internationalization and Foreign Faculty Employment at Japanese Universities". In The Experiences of International Faculty in Institutions of Higher Education, 135–47. New York: Routledge, 2021. http://dx.doi.org/10.4324/9781003081562-13.

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Shibata, Takeshi, Kazutaka Mitobe, Takeshi Miura, Katsuya Fujiwara, Masachika Saito e Hideo Tamamoto. "Development of an Uchi Self-learning System for Mutsumi-ryu-style Shamisen Using VR Environment". In Intelligent Robotics and Applications, 359–70. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43518-3_35.

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Saavedra, Paz, J. Guillermo Gómez-Urrego e José David Gómez-Urrego. "Preparing Uchu Jaku". In Food, Senses and the City, 217–28. Abingdon, Oxon ; New York, NY : Routledge, 2021. | Series: Routledge studies in food, society and the environment: Routledge, 2021. http://dx.doi.org/10.4324/9781003025580-18.

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Mulder, Fred, e Anneke E. N. Hacquebard. "Specifying and comparing informatics curricula through UCSI®". In IFIP Advances in Information and Communication Technology, 97–110. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-0-387-35166-7_11.

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Soares, Carlos. "UCI++: Improved Support for Algorithm Selection Using Datasetoids". In Advances in Knowledge Discovery and Data Mining, 499–506. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01307-2_46.

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Soares, Carlos. "Is the UCI Repository Useful for Data Mining?" In Progress in Artificial Intelligence, 209–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-24580-3_28.

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Charpe, Namrata Arora. "User-Chair Fit Index (UCFI): An Ergonomic Evaluation Tool for User-Chair Compatibility". In Advances in Ergonomics in Design, 755–61. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60582-1_75.

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Dionisia, Koutsi, e Anastasia Stratigea. "Leveraging Underwater Cultural Heritage (UCH) Potential for Smart and Sustainable Development in Mediterranean Islands". In Computational Science and Its Applications – ICCSA 2020, 237–52. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58820-5_19.

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Saridin, C. P., A. G. Becking e P. G. H. M. Raijmakers. "Unilaterale condylaire hyperactiviteit (UCH): een zeldzame, maar goed te herkennen groeistoornis van de condylus mandibulae". In Het tandheelkundig jaar 2009, 131–40. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6612-5_11.

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Trabalhos de conferências sobre o assunto "Uchi":

1

Halstead-Nussloch, Rich, e William Carpenter. "Teaching and learning ubiquitous CHI (UCHI) design". In CHI '02 extended abstracts. New York, New York, USA: ACM Press, 2002. http://dx.doi.org/10.1145/506443.506533.

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Barbosa, Ana Helena de Paula, Anicléia Farias de Rocha frnco, Daniel da Silva Matos, Luciane Eulalia bernardes, Marriman Victória Pierine, Neidmar Ferreira Cajaiba, João Rafael Ferraz, Carolina Fernanda da Silva e Vanessa Alessandra Meira Coutinho. "Autenticação da droga vegetal Endopleura Uchi - uxi amarelo". In II SEMINÁRIO DE PRODUÇÃO CIENTÍFICA EM CIÊNCIAS DA SAÚDE. FACULDADE ESTÁCIO DE CARAPICUÍBA, 2019. http://dx.doi.org/10.24281/rremecs.2019.05.27a31.iispccs2.65.

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Alves Serrão, Pâmela, e Mayla Silva Leão Ferreira. "Avaliação do extrato seco aquoso da endopleura uchi e da bergenina em rins de camundongo com doença hepática gordurosa induzida". In II Congresso Internacional de Saúde Única ( Interface Mundial). ,: Even3, 2020. http://dx.doi.org/10.29327/icidsuim2020.305776.

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4

Moshfeghi, Yashar, Iadh Ounis, Craig Macdonald, Joemon M. Jose, Peter Triantafillou, Mark Livingston e Piyushimita Thakuriah. "UCUI'15". In CIKM'15: 24th ACM International Conference on Information and Knowledge Management. New York, NY, USA: ACM, 2015. http://dx.doi.org/10.1145/2806416.2806878.

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5

Subaramaniam, Kasthuri, Chiw Yi Lee e Choon Ta Ong. "UCSI Campus Navigator". In 2019 IEEE 9th International Conference on System Engineering and Technology (ICSET). IEEE, 2019. http://dx.doi.org/10.1109/icsengt.2019.8906424.

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6

Cresp, G., Hai Huyen Dam e H. J. Zepernick. "Design of modified UCHT sequences". In Joint IST Workshop on Mobile Future, 2006 and the Symposium on Trends in Communications. SympoTIC '06. IEEE, 2006. http://dx.doi.org/10.1109/tic.2006.1708017.

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7

Ohara, Akio. "CR Uchu-senkan Yamato 2". In ACM SIGGRAPH 2009 Computer Animation Fesitval. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1596685.1596714.

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8

Van Drie, A., V. Bystritskii, B. Moosman, H. U. Rahman, N. Rostoker, F. J. Wessel e G. Yur. "UCI staged Z-pinch". In International Conference on Plasma Science (papers in summary form only received). IEEE, 1995. http://dx.doi.org/10.1109/plasma.1995.533257.

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Ney, P., H. U. Rahman, N. Rostoker e F. J. Wessel. "UCI Staged Z Pinch". In DENSE Z-PINCHES. ASCE, 1997. http://dx.doi.org/10.1063/1.53902.

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Amalfi, Raffaele L., Todd Salamon, Filippo Cataldo, Jackson B. Marcinichen e John R. Thome. "Ultra-Compact Micro-Scale Heat Exchanger for Advanced Thermal Management in Datacenters". In ASME 2020 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/ipack2020-2542.

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Resumo:
Abstract The present study is focused on the experimental characterization of two-phase heat transfer performance and pressure drops within an ultra-compact heat exchanger (UCHE) suitable for electronics cooling applications. In this specific work, the UCHE prototype is anticipated to be a critical component for realizing a new passive two-phase cooling technology for high-power server racks, as it is more compact and lighter weight than conventional heat exchangers. This technology makes use of a novel combination of thermosyphon loops, at the server-level and rack-level, to passively cool an entire rack. In the proposed two-phase cooling technology, a smaller form factor UCHE is used to transfer heat from the server-level thermosyphon cooling loop to the rack-level thermosyphon cooling loop, while a larger form factor UCHE is used to reject the total heat from the server rack into the facility-level cooling loop. The UCHE is composed of a double-side-copper finned plate enclosed in a stainless steel enclosure. The geometry of the fins and channels on both sides are optimized to enhance the heat transfer performance and flow stability, while minimizing the pressure drops. These features make the UCHE the ideal component for thermosyphon cooling systems, where low pressure drops are required to achieve high passive flow circulation rates and thus achieve high critical heat flux values. The UCHE’s thermal-hydraulic performance is first evaluated in a pump-driven system at the Laboratory of Heat and Mass Transfer (LTCM-EPFL), where experiments include many configurations and operating conditions. Then, the UCHE is installed and tested as the condenser of a thermosyphon loop that rejects heat to a pumped refrigerant system at Nokia Bell Labs, in which both sides operate with refrigerants in phase change (condensation-to-boiling). Experimental results demonstrate high thermal performance with a maximum heat dissipation density of 5455 (kW/m3/K), which is significantly larger than conventional air-cooled heat exchangers and liquid-cooled small pressing depth brazed plate heat exchangers. Finally, a thermal performance analysis is presented that provides guidelines in terms of heat density dissipations at the server- and rack-level when using passive two-phase cooling.

Relatórios de organizações sobre o assunto "Uchi":

1

Sanborn-Barrie, M., N. Rogers e T. Skulski. Geology and tectonostratigraphic assemblages, east Uchi Subprovince, Red Lake and Birch-Uchi belts, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2004. http://dx.doi.org/10.4095/215111.

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2

Sanborn-Barrie, M., N. Rogers, T. Skulski, J. Parker, V. McNicoll e J. Devaney. Geology and tectonostratigraphic assemblages, east Uchi Subprovince, Red Lake and Birch-Uchi belts, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2004. http://dx.doi.org/10.4095/215355.

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3

Bailes, A. H., J. A. Percival, M. T. Corkery, V. J. McNicoll, K Y Tomlinson, C. Sasseville, N. Rogers, J. B. Whalen e D. Stone. Geology and tectonostratigraphic assemblages, West Uchi map area, Manitoba / Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2003. http://dx.doi.org/10.4095/213986.

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4

Tomlinson, K. Y., e N. Rogers. Neodymium-isotopic characteristics of the Uchi-Confederation Lakes region, northwestern Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1999. http://dx.doi.org/10.4095/210856.

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5

Rogers, N. Whole-rock chemical analyses from the Birch-Uchi greenstone belt, Superior Province, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2002. http://dx.doi.org/10.4095/213272.

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6

Rogers, N., V. McNicoll, C. R. van Staal e K. Y. Tomlinson. Lithogeochemical studies in the Uchi Confederation greenstone belt, northwestern Ontario: implications for Archean tectonics. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2000. http://dx.doi.org/10.4095/211161.

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Percival, J. A., e J. B. Whalen. Observations on the North Caribou terrane-Uchi Subprovince interface in western Ontario and eastern Manitoba. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2000. http://dx.doi.org/10.4095/211160.

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8

Sappin, A.-A., M. G. Houlé, C. M. Lesher, R. T. Metsaranta e V. J. McNicoll. Regional characterization of mafic-ultramafic intrusions in the Oxford-Stull and Uchi domains, Superior Province, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2015. http://dx.doi.org/10.4095/296680.

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9

Lemkow, D. R., M. Sanborn-Barrie, A. H. Bailes, J. A. Percival, N. Rogers, T. Skulski, S D Anderson et al. GIS compilation of geology and tectonostratigraphic assemblages, western Uchi Subprovince, western Superior Province, Ontario and Manitoba. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2006. http://dx.doi.org/10.4095/222244.

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10

van Staal, C. R. Some notes on the assemblage boundaries and internal structure of the Uchi-Confederation greenstone belt, northwestern Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1998. http://dx.doi.org/10.4095/209518.

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