Готові списки джерел за темами / VVE

Добірка наукової літератури з теми "VVE"

Автор: Grafiati
Опубліковано: 19 червня 2021
Оновлено: 1 лютого 2022

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  2. Дисертації
  3. Книги
  4. Частини книг
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Статті в журналах з теми "VVE":

1

Thaker, Maulik N., Lindsay Kalan, Nicholas Waglechner, Alireza Eshaghi, Samir N. Patel, Susan Poutanen, Barbara Willey, et al. "Vancomycin-Variable Enterococci Can Give Rise to Constitutive Resistance during Antibiotic Therapy." Antimicrobial Agents and Chemotherapy 59, no. 3 (December 15, 2014): 1405–10. http://dx.doi.org/10.1128/aac.04490-14.

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ABSTRACTVancomycin-resistant enterococci (VRE) are notorious clinical pathogens restricting the use of glycopeptide antibiotics in the clinic setting. Routine surveillance to detect VRE isolated from patients relies on PCR bioassays and chromogenic agar-based test methods. In recent years, we and others have reported the emergence of enterococcal strains harboring a “silent” copy of vancomycin resistance genes that confer a vancomycin-susceptible phenotype (vancomycin-susceptible enterococci [VSE]) and thus escape detection using drug sensitivity screening tests. Alarmingly, these strains are able to convert to a resistance phenotype (VSE→VRE) during antibiotic treatment, severely compromising the success of therapy. Such strains have been termed vancomycin-variable enterococci (VVE). We have investigated the molecular mechanisms leading to the restoration of resistance in VVE isolates through the whole-genome sequencing of resistant isolates, measurement of resistance gene expression, and quantification of the accumulation of drug-resistant peptidoglycan precursors. The results demonstrate that VVE strains can revert to a VRE phenotype through the constitutive expression of the vancomycin resistance cassette. This is accomplished through a variety of changes in the DNA region upstream of the resistance genes that includes both a deletion of a likely transcription inhibitory secondary structure and the introduction of a new unregulated promoter. The VSE→VRE transition of VVE can occur in patients during the course of antibiotic therapy, resulting in treatment failure. These VVE strains therefore pose a new challenge to the current regimen of diagnostic tests used for VRE detection in the clinic setting.
2

Sun, Lingyan, Yan Chen, Xiaoting Hua, Yiyi Chen, Jinjing Hong, Xueqing Wu, Yan Jiang, Willem van Schaik, Tingting Qu, and Yunsong Yu. "Tandem amplification of the vanM gene cluster drives vancomycin resistance in vancomycin-variable enterococci." Journal of Antimicrobial Chemotherapy 75, no. 2 (November 19, 2019): 283–91. http://dx.doi.org/10.1093/jac/dkz461.

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Abstract Background Vancomycin-variable enterococci (VVE) are a potential risk factor for vancomycin resistance gene dissemination and clinical treatment failure. vanM has emerged as a new prevalent resistance determinant among clinical enterococci in China. A total of 54 vancomycin-susceptible enterococci (VSE) isolates carrying incomplete vanM gene clusters were isolated in our previous study. Objectives To determine the potential of vanM-carrying VSE to develop vancomycin resistance and investigate the mechanism of alteration of the resistance phenotype. Methods Fifty-four vanM-positive VSE strains were induced in vitro by culturing in increasing concentrations of vancomycin. Genetic changes between three parent VVE strains and their resistant variants were analysed using Illumina and long-read sequencing technologies, quantitative PCR and Southern blot hybridization. Changes in expression level were determined by quantitative RT–PCR. Results Twenty-five of the 54 VSE strains carrying vanM became resistant upon vancomycin exposure. A significant increase in vanM copy number was observed ranging from 5.28 to 127.64 copies per cell in induced resistant VVE strains. The vanM transposon was identified as tandem repeats with IS1216E between them, and occurred in either the plasmid or the chromosome of resistant VVE cells. In addition, an increase in vanM expression was observed after resistance conversion in VVE. Conclusions This study identified tandem amplification of the vanM gene cluster as a new mechanism for vancomycin resistance in VVE strains, offering a competitive advantage for VVE under antibiotic pressure.
3

Jellesma, Gjalt. "Factfree VVE." Management Kinderopvang 22, no. 5 (September 2016): 35. http://dx.doi.org/10.1007/s41190-016-098-9.

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4

Downing, M. A., J. Xiong, A. Eshaghi, A. McGeer, S. N. Patel, and J. Johnstone. "Vancomycin-Variable Enterococcal Bacteremia." Journal of Clinical Microbiology 53, no. 12 (September 30, 2015): 3951–53. http://dx.doi.org/10.1128/jcm.02046-15.

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Vancomycin-variable enterococcus (VVE) is an emerging pathogen. VVE isolates initially appear phenotypically susceptible to vancomycin but possesses thevanAgene and can developin vitroandin vivoresistance to vancomycin. We report a case of VVE bacteremia and describe how VVE poses diagnostic and therapeutic dilemmas.
5

Sivertsen, Audun, Torunn Pedersen, Kjersti Wik Larssen, Kåre Bergh, Torunn Gresdal Rønning, Andreas Radtke, and Kristin Hegstad. "A SilencedvanAGene Cluster on a Transferable Plasmid Caused an Outbreak of Vancomycin-Variable Enterococci." Antimicrobial Agents and Chemotherapy 60, no. 7 (May 2, 2016): 4119–27. http://dx.doi.org/10.1128/aac.00286-16.

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ABSTRACTWe report an outbreak of vancomycin-variablevanA+enterococci (VVE) able to escape phenotypic detection by current guidelines and demonstrate the molecular mechanisms forin vivoswitching into vancomycin resistance and horizontal spread of thevanAcluster. Forty-eightvanA+Enterococcus faeciumisolates and oneEnterococcus faecalisisolate were analyzed for clonality with pulsed-field gel electrophoresis (PFGE), and theirvanAgene cluster compositions were assessed by PCR and whole-genome sequencing of six isolates. The susceptible VVE strains were cultivated in brain heart infusion broth containing vancomycin at 8 μg/ml forin vitrodevelopment of resistant VVE. The transcription profiles of susceptible VVE and their resistant revertants were assessed using quantitative reverse transcription-PCR. Plasmid content was analyzed with S1 nuclease PFGE and hybridizations. Conjugative transfer ofvanAwas assessed by filter mating. The only genetic difference between thevanAclusters of susceptible and resistant VVE was an ISL3-family element upstream ofvanHAX, which silencedvanHAXgene transcription in susceptible VVE. Furthermore, the VVE had an insertion of IS1542betweenorf2andvanRthat attenuated the expression ofvanHAX. Growth of susceptible VVE occurred after 24 to 72 h of exposure to vancomycin due to excision of the ISL3-family element. ThevanAgene cluster was located on a transferable broad-host-range plasmid also detected in outbreak isolates with different pulsotypes, including oneE. faecalisisolate. Horizontally transferable silencedvanAable to escape detection and revert into resistance during vancomycin therapy represents a new challenge in the clinic. Genotypic testing of invasive vancomycin-susceptible enterococci byvanA-PCR is advised.
6

Velsink, Marianne. "VVE-methode cadeau." Kinderopvang 29, no. 6 (June 2019): 14–15. http://dx.doi.org/10.1007/s41189-019-0074-4.

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7

Vroom, Marike. "VVE, weg ermee?" Kinderopvang 26, no. 1-2 (February 2016): 3. http://dx.doi.org/10.1007/s41189-016-0001-x.

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8

Seo, Myung-Gi, Min-Jeong Jo, Nam In Hong, Min Jung Kim, Kyu Suk Shim, Eunju Shin, Jeong Jun Lee, and Sang-Joon Park. "Anti-Inflammatory and Anti-Vascular Leakage Effects by Combination of Centella asiatica and Vitis vinifera L. Leaf Extracts." Evidence-Based Complementary and Alternative Medicine 2021 (April 14, 2021): 1–18. http://dx.doi.org/10.1155/2021/7381620.

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Venous insufficiency results from several factors responsible for the progression of inflammation and oxidative damage of veins. Recently, natural extracts have been proposed for the treatment of venous insufficiency, but their efficacies have not been fully elucidated. In the present study, we evaluate the combinatorial effects on anti-inflammatory and anti-vascular leakage potential of mixed compositions containing different proportions of Centella asiatica extract (CE) and Vitis vinifera L. leaf extract (VVE) using an inflammation model of lipopolysaccharide- (LPS-) stimulated RAW264.7 cells and various vascular permeability models in mice (acetic-acid-induced peritoneal vascular model, mustard-oil-stimulated ear vascular model, and carrageenan-induced paw edema model). Pretreatment of CE and VVE in a 1 : 3 combination dose dependently inhibited the production of nitric oxide (NO) and prostaglandin E2 (PGE2) and mRNA expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) through downregulation of the nuclear factor-κB (NF-κB) pathway in LPS-stimulated RAW264.7 macrophages. In vascular permeability-related mouse models, pretreatment with the CE-VVE 1 : 3 combination significantly reduced the permeability of peritoneal or ear veins caused by acetic acid and mustard oil, respectively. Furthermore, pretreatment of the CE-VVE 1 : 3 combination ameliorated inflammation and edema of the hind paw caused by carrageenan injection. Thus, the combination of CE and VVE showed significant anti-inflammatory qualities and anti-vascular leakage effects. These findings indicate that an optimal combination of CE and VVE may have a more synergistic effect than that of CE or VVE alone as a putative agent against vascular incompetence.
9

Sayed, Dawlat A., Sohair R. Fahmy, Amel M. Soliman, and Nagat S. Hussein. "ANTIULCEROGENIC EFFICACY OF ETHANOLIC EXTRACT OF VITIS VINIFERA LEAVES IN RATS." International Journal of Pharmacy and Pharmaceutical Sciences 8, no. 9 (September 1, 2016): 163. http://dx.doi.org/10.22159/ijpps.2016v8i9.12846.

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<p><strong>Objective: </strong>The ethanolic extract of <em>Vitis vinifera</em> leaves (VVE) (500 mg/kg body weight), ranitidine (50 mg/kg body weight) and both of them were tested for their gastroprotective and curative effects against the incidence of peptic ulcer. <strong></strong></p><p><strong>Methods</strong>:<strong> </strong>The antiulcer effects of VVE were investigated using a combination of indomethacin and cold-stress for 2h. To ascertain the mechanism of action of VVE, its protective and curative effects were studied on gastric volume, gastric juice acidity, ulcer index and malondialdehyde (MDA), glutathione (GSH), catalase (CAT), glutathione–S-transferase (GST), superoxide dismutase (SOD), nitric oxide (NO) activities of both stomach and duodenum of rats. Moreover, histopathological effects on stomach and duodenum were determined.</p><p><strong>Results: </strong>The antioxidant activity of VVE was demonstrated using 2, 2-diphenyl-1-picrylhydrazyl (DPPH) test. VVE was found to reduce the ulcer index, gastric volume and the level of gastric juice acidity. Also, VVE showed gastroprotective and curative activities mainly through improvement of antioxidant status and decreasing lipid peroxidation accompanied with amelioration of both stomach and duodenum architectures.</p><p><strong>Conclusion: </strong>The prophylactic and curative effects of VVE proved to be effective in preventing gastric and duodenal ulceration which may be probably due to its antioxidant and anti-acid secretory effects.</p>
10

Vroom, Marike. "VVE ja of nee?" Kinderopvang 29, no. 4 (April 2019): 3. http://dx.doi.org/10.1007/s41189-019-0035-y.

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Статті в журналах Дисертації Книги

Дисертації з теми "VVE":

1

Kossowska, Nicole. "Utvärdering av enterokockdiagnostik : Identifiering av vancomycin - variabla enterokocker." Thesis, Malmö universitet, Fakulteten för hälsa och samhälle (HS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-43741.

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De grampositiva bakterierna enterokocker tillhör normalfloran i tarmen hos människor samt djur. I detta arbete studeras vancomycin-variabla enterokocker (VVE) som är vanA positiva enterokocker, känsliga för vancomycin och kan utveckla resistens in vivo. Vancomycin-resistenta enterokocker (VRE) består av två arter bakterier Entrococcus faecalis och Enterococcus faecium. VVE består av Enterococcus faecium och är svåra att detektera med odlingsbaserad diagnostik och kan därför leda till att bakterien är underdiagnostiserad, samt att den tyst kan sprida sig inom sjukhusmiljön. VVE har en förmåga att kunna övergå från vancomycin-variabla till att vara vancomycin-resistenta fenotyper. Därför undersöks i denna studie vid vilken vancomycinkoncentration (5, 4, 3, 2 mg/L) som VVE kan anrikas i buljongerna inför amplifiering med hjälp av real-time polymerase chain reaction (real-time PCR). Resultatet visade att vancomycinkoncentrationen skulle behövas sänkas till 2 mg/L, dock kan bakgrundsfloran vara för hög vid denna koncentration av antibiotika.
The Gram-positive bacteria Enterococci, belong to the normal intestinal flora in humans and in animals. In the following study, vancomycin-variable enterococci (VVE) are investigated. VVE is a vanA-positive bacteria, meaning that they are sensitive to vancomycin and can develop a resistance in vivo. Vancomycin-resistant enterococci (VRE) consists of two different species of bacteria, Enterococcus faecalis and Enterococcus faecium. Furthermore, VVE consists of E. faecium and can be difficult to detect with a culture-based diagnostic andcan therefore lead to the bacterium being underdiagnosed. This in turn means that the bacteria can be quietly spread within the hospital. VVE has a unique ability, it can transition from vancomycin-variables to having vancomycin-resistant phenotypes. Therefore, this study investigates at what vancomycin concentration the VVE broths can be enriched in the broths before the qPCR. The results show that the vancomycin concentration is optimal at 2 mg/L. However, for the background flora this might be a too high concentration.
2

Rodriguez, Harry. "SPACEBOURNE VME BASED PCM ENCODER (VPE)." International Foundation for Telemetering, 1993. http://hdl.handle.net/10150/608848.

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International Telemetering Conference Proceedings / October 25-28, 1993 / Riviera Hotel and Convention Center, Las Vegas, Nevada
The VME bus is used in a wide variety of airborne applications. The particular application of the VPE is for use in the MSTI satellite to provide spacecraft telemetry. The VME based PCM encoder can provide telemetry from any stand alone data acquisition system. This paper describes the VME based PCM encoder. Since this design is ruggedized to meet the launch and environmental requirements for space, it can be used in any airborne VME system.
3

Knapová, Petra. "Výsledky studentů VŠE ve statistice." Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-4228.

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The main aim of my thesis is to compare results of different groups of students who took part in the statistic course on VŠE. The thesis is dividend into two parts. The first part is focused on theoretical solution of used data comparison. The second part is practical and it is focused on results comparison from different angles with descriptive statistics and some statisistics tests. The results from partial comparison of data from different points of view are summarized at the end of the thesis.
4

Chateau, Dominique. "La beauté agissante (Athènes VIe-Ve siècles) /." Villeneuve d'Ascq : Presses universitaires du Septentrion, 1998. http://catalogue.bnf.fr/ark:/12148/cb377547981.

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5

Machado, Sonia Maria Farriá. "La beauté agissante (Athènes VIe-Ve siècles)." Paris 1, 1997. http://www.theses.fr/1997PA010527.

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Cette recherche a pour but de déterminer les raisons esthétiques de la chute d'Athènes. Dans le processus de notre travail, nous saisissons que ces raisons esthétiques représentent le reflet fidèle de la réalité sociale et politique vécue par les athéniens. En outre, ces valeurs socio-politiques sont solidement ancrées dans la religion officielle constituée par des mythes, venus d'un lointain passé. Pendant tout le parcours de notre recherche, nous nous trouvons toujours devant le modèle plastique-esthétique précis de l'archétype héroïque. Cet archétype, né dans l'inconscient collectif, partage entre les forces dionysiaques et apolliniennes, fondement du politique d'Athènes, a été la cause déterminante de son anéantissement
The objective of this research is to determine the esthetic causes for the fall of Athens. In the course of our work, we have understood that the esthetic causes represent the faithful reflection of the social and political reality experienced by the athenians. Moreover, these socio-political values are solidly anchored in the official religion consisting of myths coming from a distant past. During the entire course of our research, we were constantly confronted by the specific plastic-esthetic model of the heroic archetype. This archetype, the fundamental element of athenian ideation, born in the collective unconscious and torn between dionysian and appolonian forces, was the determining cause of athen's annihilation
6

Brahmi, Djamel Fertil Bernard. "Quantification de la progression virale dans les rétinopathies à CMV par des techniques d'analyse d'images fondées sur des méthodes d'apprentissage par l'exemple." [S. l.] : [S. n.], 2001. http://www.imed.jussieu.fr/niveau1/vie/actu_U494/TheseDB.html.

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7

Ahmadi, Mohammad-Rahim. "Le travail du point de vue dans La vie mode d’emploi de Georges Perec." Grenoble 3, 2004. http://www.theses.fr/2004GRE39051.

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Dans cette thèse, nous analysons l'articulation des trois points de vue représenté, raconté et asserté (théorisés par Alain Rabatel), dans "La Vie mode d'emploi" de Georges Perec. Nous faisons d'abord un tour d'horizon de l'histoire et de la théorie du point de vue tracées par Rabatel. Nous étudions ensuite le point de vue comme un élément fondamental dans la construction de certains composants essentiels de l'énonciation narrative de "La Vie mode d'emploi" : personnages, narrateur et narrataire. Dans cette thèse, nous insistons sur deux enjeux majeurs de notre recherche qui résultent d'une certaine réciprocité de la théorie et de l'oeuvre étudiée : le premier enjeu met en avant la polyphonie comme une particularité de l'écriture perecquienne dans "La Vie mode d'emploi" : nous voyons comment la polyphonie s'installe à partir des relations que nous avons établies entre certaines notions comme l'ambiguïté, l'argumentation indirecte et les citations implicites. La mise en évidence de la polyphonie à la lumière du point de vue démontre la spécularité et la complexité de l'écriture perecquienne dans laquelle toutes les voix, celles des personnages, celle du narrateur ainsi que celle du narrataire sont représentées. Le second enjeu est l'apport de notre lecture de "La Vie mode d'emploi" à la théorie du point de vue. Notre parcours lectoral nous permet de modifier l'appareil théorique pour le rendre plus souple et répondre aux particularités textuelles du grand roman de Perec, qualifié de Tour de Babel de la littérature contemporaine.
8

Isaïa, Marie-Céline. "Remi de Reims : vie, culte, dossier hagiographique (Ve-XIe s.)." Paris 10, 2004. http://www.theses.fr/2004PA100080.

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Remi évêque de Reims (ca. 461-535) appartient à la petite noblesse sénatoriale de Laon. Influencé par Lérins, il accompagne la mise en place du pouvoir franc (baptême de Clovis). L'identification de sa famille éclaire le développement de son culte : au VIe s. , c'est un culte civique rémois, relayé au VIIe s. Par un culte aristocratique et familial (Agilolfides, Étichonides). Vers 800, saint Remi est célébré comme celui qui a converti les Francs. L'évolution culmine avec la Vie de saint Remi par Hincmar de Reims (845-882). En germe dès 852, c'est le fruit d'au moins deux rédactions, d'où son caractère hétérogène. Après Hincmar, les archevêques de Reims font de saint Remi l'image de leur autorité et l'incarnation de leurs revendications politiques. Après le sacre de Philippe Ier (1059), il devient patron de la monarchie sacrée. L'enquête s'appuie surtout sur la prosopographie (Antiquité et Moyen Age), sur l'hagiographie rémoise (datation) et sur l'édition d'un texte de Rotgar (ca. 883)
Remi, bishop of Reims (ca. 461-535), was born in a senatorial family of Laon, deeply touched by the lerinian monasticism. He took his place in the bilding of the Frankish monarchy (christening of Clovis). Searching his relative, we can partly explain the expansion of his cult: during the 6th century, it is a civic cult for people of Reims, changing to an aristocratic cult during the 7th century. With the beginning of the 9th century, we observe the first celebration of saint Remi's role in converting the Franks as a nation. The theme is emphasized by Hincmar's Vita Remigii, written continually from 852 to 882. After Hincmar (845-882), the archbishops of Reims use Remi as an image of their authority and an incarnation of their political ambitions. After the coronation of Philip Ith (1059), saint Remi becomes the patron of the anointed kings. Our inquiry mainly leans on prosopography, hagiography of Reims province and the first edition of a text attributed to the monk Rotgar (ca. 883)
9

Pothin, Gaëlle. "La cherté de la vie du point de vue du consommateur : définition, antécédents et conséquences." Thesis, La Réunion, 2017. http://www.theses.fr/2017LARE0046/document.

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La recherche se propose d’introduire en sciences de gestion le concept de cherté de la vie du point de vue des consommateurs. Pour ce faire, la recherche propose, dans un premier temps, de définir le concept de cherté de la vie tel qu’évalué par les consommateurs et d’en identifier son contenu. Dans un second temps, la recherche pose la question des antécédents de cette évaluation et de ses conséquences sur le comportement d’achat des consommateurs.La démarche empirique s’appuie sur une Mixed Methods Research. Il s’agit là d’une méthode de recherche qui implique de combiner à la fois les éléments d’une approche quantitative et d’une approche qualitative à des fins de compréhension et de corroboration. Dans cette optique, deux principales études empiriques ont été réalisées : (1) une étude exploratoire qualitative composée de plusieurs méthodes de collecte de données (entretiens semi directifs, netnographie, sondage en sortie de supermarché) et (2) une étude quantitative confirmatoire menée auprès de 700 résidents de l’île de La Réunion.L’étude qualitative permet (1) de déterminer les causes de cette cherté de la vie du point de vue des consommateurs, (2) de définir l’évaluation de la cherté de la vie et de structurer son contenu et (3) d’analyser les conséquences de cette évaluation sur le comportement d’achat des consommateurs. A la lumière de ces premiers résultats et de la revue de la littérature, une série d’hypothèses ainsi que le modèle de la recherche qui en découle sont alors formulés. Hypothèses et modèle testés lors de la phase quantitative.L’étude quantitative permet quant à elle (1) de valider un instrument de mesure de l’évaluation de la cherté de la vie, (2) de mettre en évidence l’influence de l’évaluation de la cherté de la vie sur les comportements d’achat des consommateurs, et (3) de souligner le rôle modérateur de la préoccupation du maintien du pouvoir d’achat (PPA). La recherche a comme principaux apports la conceptualisation de la cherté de la vie du point de vue des consommateurs et la mise en exergue des conséquences de cette évaluation sur les habitudes de consommation des individus. Les résultats permettent ainsi d’alimenter la réflexion sur la nécessité, pour les managers, de tenir compte de
The research proposes to introduce the concept of high cost-of-living from customers’ point of view into managementscience. In order to do this, the research first proposes to define the concept of high cost of from customers’ point of viewand to identify its content. Secondly, the research focuses on the antecedents of the concept and its consequences onconsumers' purchasing behavior.The empirical approach is based on a Mixed Methods Research. This is a research method that involves combining boththe elements of a quantitative and qualitative approach in order to understand the high cost-of-living from customers’point of view. Two main empirical studies have been carried out: (1) a qualitative exploratory study composed of severalmethods of data collection (semi-directive interviews, netnography, survey at the exit of a supermarket) and (2) aquantitative confirmatory study with a sample of 700 residents of Réunion Island.The qualitative study allows (1) to determine the causes of this high cost-of-living from customers’ point of view, (2) todefine the concept and to structure its content and (3) to analyze the consequences of this evaluation on consumerpurchasing behavior. From the results of the qualitative study and the literature review, a series of assumptions and themodel of research are formulated. The assumptions and the model are tested during the quantitative study.The quantitative study allows (1) to validate a measuring instrument of evaluation of the high cost-of-living, (2) todetermine the influence of this evaluation on consumer buying behavior, and (3) to emphasize the moderating role ofPPA.The main contributions of this research are the conceptualization of the high cost of living from customers’ point of viewand the description of the consequences of this evaluation on consumer
10

Marchesani, Nicola. "Applicazione dei sistemi VVA per il controllo avanzato della combustione." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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L’elaborato fornisce un’analisi di tre differenti applicazioni di attuazione variabile per il controllo e l’ottimizzazione dei motori a combustione interna. Sono stati esaminati vantaggi ed eventuali problematiche, ed esposti esempi pratici di diagrammi di distribuzione nel caso di applicazione ad un motore tradizionale ad accensione comandata a ciclo Otto, ad un motore ad accensione comandata a ciclo Miller e, infine, ad un motore a ciclo Otto funzionante tramite accensione per compressione di una carica omogenea (HCCI). In tutti e tre i casi si sono ottenuti benefici derivanti dall’applicazione dell’attuazione variabile. Gli unici svantaggi rispetto alla fasatura fissa risiedono nella maggior complicazione costruttiva e nella necessità di una calibrazione adeguata per lo sfruttamento del sistema. Delle tre tecnologie esaminate, l’applicazione a motori Otto ad accensione comandata risulta essere la più matura, con un livello di sviluppo altissimo e larga diffusione nella produzione commerciale; l’applicazione dei cicli Miller occupa una fetta di mercato molto ridotta, ma diversi costruttori ne stanno portando avanti lo sviluppo da tempo, arrivando ormai ad alti livelli di ottimizzazione, per cui il suo utilizzo sui veicoli commerciali, in particolare quelli ibridi, è destinato a crescere. La combustione HCCI è la più acerba delle tre tecnologie, ma l’interesse dei costruttori sull’argomento è molto vivo e diversi produttori hanno pubblicato risultati di ricerca in questo ambito.
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Книги з теми "VVE":

1

Arkadov, G. V. Vibroshumovai Ła diagnostika VVE R. Moskva: E nergoatomizdat, 2004.

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2

Cimino, Michael W. Champagne study of the United States market to evaluate Vve Laurent-Perrier & Co. [United States]: Market Research Analysts, 1986.

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3

Duhamel, Olivier. Vive la VIe république! Paris: Seuil, 2002.

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4

Delage, Marcel. La vie, la vie vue par un homme ordinaire. Saint-Alphonse-de-Granby, Québec: Éditions Messagers des étoiles, 2006.

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5

Chinh, Trường. En vue du VIe congrès: Allocutions. Hanoi: Éditions en langues étrangères, 1986.

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6

Allais, Alphonse. A se tordre: Vive la vie : Pas de bile. Paris: Union générale d'éditions, 1985.

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7

Lamy, Jean Claude. Vive les cracks: Vie et moeurs des bêtes à concours. [Paris]: Lattès, 1989.

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8

Zhu, Baokuan. Bkao vue swuc khkoe vke đẹp và chrong béo phì. Hà Nuoi: NXB Phụ nyu, 2000.

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9

travail, Fondation européenne pour l'amélioration des conditions de vie et de. Conditions de vie en milieu urbain: Vue d'ensemble des facteurs affectant la vie urbaine dans la Communauté européenne. Dublin: Fondation européenne pour l'amélioration des conditions de vie et de travail, 1986.

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10

Evesque, Jacques. La vie de protestants français, vue à travers des papiers de famille. Paris: J. Evesque, 1990.

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Частини книг з теми "VVE":

1

Balemans, Wendy, Wim Van Hul, Marian Valko, Jan Moncol, Lee A. Denson, Maria Mela, Ulrich Thalheimer, et al. "VTE." In Encyclopedia of Molecular Mechanisms of Disease, 2234. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-29676-8_5135.

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2

Schulz-Stübner, Sebastian. "VRE-Infektionen." In Antibiotika bei Infektionen mit multiresistenten Erregern, 35–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-58209-1_5.

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3

Pinto, A., and S. Fulciniti. "Vie aeree." In Anatomia TC multidetettore — Body, 9–14. Milano: Springer Milan, 2010. http://dx.doi.org/10.1007/978-88-470-1688-0_2.

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Gee, Emma. "VTE Prevention." In Handbook of Venous Thromboembolism, 293–300. Chichester, UK: John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119095606.ch32.

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5

Thieblemont, Catherine. "Vue générale." In Tumeurs malignes rares, 45. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-287-72070-3_7.

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6

Schulz-Stübner, Sebastian. "VRE-Infektionen." In Antibiotika bei Infektionen mit multiresistenten Erregern, 35–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-48060-1_5.

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7

Robert, Caroline. "Vue gégérale." In Tumeurs malignes rares, 123–25. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-287-72070-3_20.

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8

Ray-Coquard, Isabelle, and Jean-Yves Blay. "Vue générale." In Tumeurs malignes rares, 145–47. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-287-72070-3_25.

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9

Mitry, E. "Vue générale." In Tumeurs malignes rares, 181–82. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-287-72070-3_32.

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Girard, N., and J. F. Cordier. "Vue générale." In Tumeurs malignes rares, 211–12. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-287-72070-3_36.

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Тези доповідей конференцій з теми "VVE":

1

Meng, Hsien-Yu, Lin Gao, Yu-Kun Lai, and Dinesh Manocha. "VV-Net: Voxel VAE Net With Group Convolutions for Point Cloud Segmentation." In 2019 IEEE/CVF International Conference on Computer Vision (ICCV). IEEE, 2019. http://dx.doi.org/10.1109/iccv.2019.00859.

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2

Saiz-Cerreda, María Pilar. "1940 - 1944 : « On meurt de soif » mais les eaux sont mortes. La portée symbolique de l’eau chez les écrivains français sous l’Occupation." In XXV Coloquio AFUE. Palabras e imaginarios del agua. Valencia: Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/xxvcoloquioafue.2016.2977.

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Quand en 1940 la France devient territoire occupé, les conditions de vie se dégradent à tel point que les Français vivent en grande difficulté. Pourtant, aussi épouvantables que les conditions matérielles de vie soient-elles, rien n’est comparable à la dégradation de la vie de l’Esprit, au manque du spirituel. Les Français sont affamés, les Français ont froid, mais pire encore, les Français meurent dans l’esprit. Les Français perdent peu à peu leur identité. « C’est l’âme aujourd’hui qui est tellement déserte. On meurt de soif », s’exclamait Antoine de Saint-Exupéry dans une lettre à sa mère en 1940. Et pourtant on ne peut pas s’abreuver parce qu’il n’existe que « ce marécage ». La douleur est trop forte parce que c’est le patrimoine spirituel français qui est en péril et de nombreux écrivains en sont très conscients. L’essence de la vie, l’eau claire, l’eau limpide, l’eau qui donne la vie, s’est transformée en eau de mort, « une eau qui doit s’assombrir, une eau qui va absorber la noire souffrance. Toute eau vive est une eau dont le destin est de s’alentir, de s’alourdir. Toute eau vivante est une eau qui est sur le point de mourir » disait Bachelard dans son livre L’eau et les rêves. La vie est étouffée et il n’y a que des eaux stagnantes, des « eaux mortes ». Dans cette communication je voudrais montrer comment les écrivains ressentent et manifestent cette crise, cette perte d’identité, cette mort ; et comment l’écriture est proposée comme remède, comme voie de salut grâce à la démarche autobiographique d’une manière spéciale. L’écriture deviendra le seul endroit où aller pour s’abreuver.DOI: http://dx.doi.org/10.4995/XXVColloqueAFUE.2016.2977
3

De Simio, Luigi, Michele Gambino, Sabato Iannaccone, Luigi Borrelli, Alfredo Gimelli, and Massimiliano Muccillo. "Experimental Analysis of a Natural Gas Fueled Engine and 1-D Simulation of VVT and VVA Strategies." In 11th International Conference on Engines & Vehicles. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2013. http://dx.doi.org/10.4271/2013-24-0111.

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4

Schanz, Volker, and Christian Grofi. "VDE." In 2012 IEEE Second International Conference on Consumer Electronics - Berlin (ICCE-Berlin). IEEE, 2012. http://dx.doi.org/10.1109/icce-berlin.2012.6336519.

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Goldweber, Michael, and Renzo Davoli. "VDE." In the 13th annual conference. New York, New York, USA: ACM Press, 2008. http://dx.doi.org/10.1145/1384271.1384310.

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6

Yan, Lok-Kwong, Manjukumar Jayachandra, Mu Zhang, and Heng Yin. "V2E." In the 8th ACM SIGPLAN/SIGOPS conference. New York, New York, USA: ACM Press, 2012. http://dx.doi.org/10.1145/2151024.2151053.

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7

Merrill, J. "VDE." In the international conference. New York, New York, USA: ACM Press, 1994. http://dx.doi.org/10.1145/190271.190300.

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8

Sankar, Aravind, Xinyang Zhang, Adit Krishnan, and Jiawei Han. "Inf-VAE." In WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining. New York, NY, USA: ACM, 2020. http://dx.doi.org/10.1145/3336191.3371811.

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9

Senatore, Adolfo, Dario Buono, Emma Frosina, and Luca Santato. "Analysis and Simulation of an Oil Lubrication Pump for the Internal Combustion Engine." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63468.

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This paper presents the simulation model of an oil lubrication gerotor pump for the internal combustion engine. The model was constructed by using a mono-dimensional commercial code taking into account all the phenomena that occur during the revolution of the pump shaft. First of all, several geometric considerations and theoretical observation are presented. An experimental campaign was also performed to validate the simulation model. In these experimental tests particular attention was regarded to the behavior of the pressure oscillations during the pump shaft revolutions. The final aim of this activity is to obtain an instrument that allows in-depth analysis of pump and lubrication circuit functioning and that can be coupled with other models (e.g. VVA, VVT, etc.) in order to take into account different problems of the hydraulic components of engines.
10

Yogesh, M., C. Ramachandran, K. Venkatraman, and VKG Kalaiselvi. "La vie enregistrer." In 2017 2nd International Conference on Computing and Communications Technologies (ICCCT). IEEE, 2017. http://dx.doi.org/10.1109/iccct2.2017.7972263.

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Звіти організацій з теми "VVE":

1

Harmon, S. Y., A. J. Gonzalez, and R. Knauf. Knowledge Based Systems (KBS) Verification, Validation, Evaluation, and Testing (VVE&T) Bibliography: Topical Categorization. Fort Belvoir, VA: Defense Technical Information Center, March 2003. http://dx.doi.org/10.21236/ada474634.

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2

Rodriguez, J. N. Qualification of VCE Replacement Materials. Office of Scientific and Technical Information (OSTI), October 2018. http://dx.doi.org/10.2172/1476189.

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3

Li, Andy Y., Alexandru Macridin, and Panagiotis Spentzouris. Scalable boson encoding for VQE. Office of Scientific and Technical Information (OSTI), February 2020. http://dx.doi.org/10.2172/1614727.

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4

Alleva, D. VTI: VME/CIPRICO Interface routines. Office of Scientific and Technical Information (OSTI), September 1987. http://dx.doi.org/10.2172/5876415.

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5

Alleva, D. VFI: VME/FASTBUS Interface routines. Office of Scientific and Technical Information (OSTI), September 1987. http://dx.doi.org/10.2172/5793542.

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6

Williams, H. Chapitre 11 : Sommaire et vue d'ensemble. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1995. http://dx.doi.org/10.4095/205265.

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7

Letant, S., J. Herberg, T. Wilson, C. Alviso, S. Chinn, and R. Maxwell. Initial Aging Studies of Unfilled VCE. Office of Scientific and Technical Information (OSTI), October 2008. http://dx.doi.org/10.2172/945607.

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8

Schumburg, N. Radiation Impact on VME Station Memory. Office of Scientific and Technical Information (OSTI), March 1997. http://dx.doi.org/10.2172/1151364.

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9

Letant, S., C. Alviso, M. Pearson, R. Albo, W. Small, T. Wilson, S. Chinn, and R. Maxwell. Aging Studies of VCE Dismantlement Returns. Office of Scientific and Technical Information (OSTI), October 2011. http://dx.doi.org/10.2172/1035290.

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10

Alleva, D. VII: VME/IORFI-II interface routines. Office of Scientific and Technical Information (OSTI), July 1988. http://dx.doi.org/10.2172/6821207.

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