Tesis sobre el tema "MNMs"
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Ye, Heng. "Self-Propelled Micro/Nanomotors (MNMs) and Their Applications". Thesis, Curtin University, 2018. http://hdl.handle.net/20.500.11937/73522.
Texto completoClougherty, Joseph A., Klaus Gugler, Lars Sørgard y Florian Szücs. "Cross-border mergers and domestic-firm wages: Integrating "spillover effects" and "bargaining effects"". Palgrave Macmillan, 2014. http://dx.doi.org/10.1057/jibs.2014.2.
Texto completoCouto, Junior Odilon Divino Damasceno 1979. "Filmes de MnAs sobre GaAs e nanoestruturas de MnAs implantadas em GaAs". [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/278411.
Texto completoDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin
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Resumo: Estudamos a transição de fase estrutural e magnética do MnAs em filmes epitaxiais crescidos por MBE sobre GaAs (001) e em amostras de GaAs (001) que sofreram implantação iônica de Mn e foram submetidas a um tratamento térmico. A transição estrutural nos dois tipos da amostra foi estudada com difração de raios-x em função da temperatura. Os resultados mostraram uma queda na concentração média de a MnAs de forma contínua e suave, com histerese térmica e coexistência de fases em intervalos de temperaturas de até 40o C, diferentemente da transição de primeira ordem no sistema bulk que é abrupta. Investigamos ainda a transição magnética e seu acoplamento com a transição estrutural nos filmes utilizando medidas de magnetometria SQUID e efeito Kerr magneto-óptico. Nas amostras com implantação iônica utilizamos a espectroscopia de massa de íons secundários (SIMS) e a microscopia de força atômica (AFM) para estudar a difusão do Mn para a superfície e a formação de nanoestruturas superficiais. Realizamos também medidas de difração de raios-x com incidência rasante (GID) para determinar a orientação da estrutura cristalina das nanoestruturas de MnAs com relação ao substrato. A morfologia e composição destas nanoestruturas foram estudadas por microscopia eletrônica de transmissão (TEM) e análise de dispersão de raios-x (EDX)
Abstract: We have studied the structural and magnetic phase transition of MnAs in films epitaxially grown by MBE on GaAs (001) and GaAs (001) implanted samples with Mn and subsequent annealing. In the two kinds of samples the structural transition was studied by x-ray diffraction as a function of temperature. The results presented a continuous and smooth decrease in the average concentration of a MnAs, characterizing a transition with thermal hysteresis and coexistence of the a and b phases in a temperature range up to 40o C. This behavior differs from that one of the bulk MnAs that presents an abrupt and discontinuous transition. We investigated the magnetic transition on the films and its coupling with the structural one, by experiments in a SQUID magnetometer and magneto-optical Kerr effect. In the implanted samples we performed the Secondary Ion Mass Spectrometry (SIMS) and the Atomic Force Microscopy (AFM) to study the diffusion of Mn to the surface and the formation of superficial nanostructures. We also performed Grazing Incidence x-ray Diffraction (GID) to determinate the crystal orientation MnAs nanostructures with respect to the substrate. The morphological and compositional analysis of these nanostructures were estudied by high resolution Transmission Electron Microscopy (TEM) and Energy Dispersive x-ray Analysis (EDX)
Mestrado
Física
Mestre em Física
Navarro, González María del Carmen. "Caenorhabditis elegans as a research tool to study mitochondrial diseases associated with defects in tRNA modification". Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/61978.
Texto completo[ES] La modificación post-transcripcional de la uridina de tambaleo (U34) de ciertos tRNAs es un proceso conservado evolutivamente, realizado por proteínas homólogas de las familias MnmA/MTU1, MnmE/GTPBP3 y MnmG/MTO1, y biológicamente relevante. De hecho, mutaciones en los genes humanos MTU1 y GTPBP3 o MTO1 causan fallo hepático infantil agudo y cardiomiopatía hipertrófica infantil, respectivamente, que producen letalidad durante los primeros meses de vida. Se asume que la causa primaria de estas enfermedades es la ausencia de las modificaciones introducidas por la proteína MTU1 en la posición 2 (tiol) y las proteínas GTPBP3 y MTO1 (taurinometil) en la posición 5 de la U34 en un grupo de mt-tRNAs. Se desconocen los mecanismos subyacentes y las razones por las que el déficit de OXPHOS resultante en todos los casos (atribuido a alteraciones de la traducción mitocondrial de proteínas) produce fenotipos tan diversos. Nuestra hipótesis es que la señalización retrógrada mitocondria-núcleo promovida por la hipomodificación de los mt-tRNAs en 2 ó 5 de la U34 es diferente y la respuesta nuclear viene modulada por el programa genético y epigenético de células y organismos. Hemos utilizado el nematodo C. elegans como modelo para estudiar los efectos producidos por la inactivación de las proteínas homólogas de MTU1, GTPBP3 y MTO1 a las que hemos denominado MTTU-1, MTCU-1 y MTCU-2. Hemos comprobado que estas proteínas, codificadas por el núcleo, son de localización mitocondrial y están implicadas en la modificación de la U34 de los mt-tRNAs. Los mutantes mtcu-1 y mtcu-2 presentan una reducción en su fertilidad y, en el caso del mutante simple mttu-1, fenotipos asociados a termosensibilidad. Los fenotipos exhibidos por los mutantes mttu-1, mtcu-1 y mtcu-2 sustentan la hipótesis de que la mutación mttu-1, y las mutaciones mtcu-1 y mtcu-2 promueven señales retrógradas diferentes que producen patrones de expresión nuclear específicos. Así, un rasgo fenotípico dependiente de genes nucleares (como lo es la transcripción y/o estabilidad de los mt-tRNAs) y la expresión de genes nucleares como ucp-4, hsp-6, hsp-60 y otros implicados en el metabolismo mitocondrial muestran un patrón diferente en los dos grupos de mutantes. Los genes hsp-6 y hsp-60 (marcadores de la UPRmt) están regulados a la baja en el mutante mttu-1. Los tres mutantes simples exhiben una reducción en la expresión de genes de la glicólisis y de la ß-oxidación de los ácidos grasos, una inducción en un marcador de glutaminolisis y una inducción en el gen ucp-4 (mayor en mttu-1) implicado en el transporte de succinato a la mitocondria. Dado que los tres mutantes simples presentan una disfunción OXPHOS relativamente suave, proponemos que los cambios de expresión en genes que modulan el metabolismo mitocondrial revelan una reprogramación del ciclo del TCA que compensa la disminución en el aporte de acetil-CoA procedente de glicólisis y oxidación de ácidos grasos con la activación de rutas anapleróticas del ciclo del TCA (importe de succinato a la mitocondria por UCP-4 y aporte de ¿-cetoglutarato procedente de la glutaminolisis). También analizamos los efectos de la anulación simultánea de las modificaciones en las posiciones 2 y 5 de la U34. El doble mutante mttu-1;mtcu-2 presenta una disfunción OXPHOS severa, con una ratio AMP/ATP 5 veces superior al control, que resulta en letalidad embrionaria, detención del desarrollo en estadios larvarios tempranos y esterilidad completa en los adultos que presentan, por otra parte, una longevidad unas dos veces superior a la cepa control. Este incremento de la longevidad está modulado por rutas de señalización que dependen de la subunidad catalítica AAK-1 (AMPK), y de hormonas esteroideas (proteínas DAF-9 y DAF-12). El trabajo muestra la importante reprogramación de genes relacionados con el metabolismo mitocondrial en respuesta a la hipomodificación de la U34 de los mt-tRNAs y
[CAT] La modificació post-transcripcional de la uridina de balanceig (U34) de certs tRNAs és un procés conservat evolutivament realitzat per proteïnes homòlogues a les de les famílies MnmA/MTU1, MnmE/GTPBP3 i MnmG/MTO1 i biològicament relevant. De fet, mutacions en els gens humans MTU1 i GTPBP3 o MTO1 causen fallada hepàtica infantil aguda i cardiomiopatia hipertròfica infantil amb acidosis làctica, respectivament, que produïxen letalitat durant els primers mesos de vida. S'assumix que la causa primària d'aquestes malalties és l'absència de les modificacions introduïdes per la proteïna MTU1 a la posició 2 (tiol) i per les proteïnes GTPBP3 i MTO1 (taurinometil) a la posició 5 de la U34 en un grup de mt-tRNAs. Es desconeixen els mecanismes subjacents en estes malalties i les raons per les quals el dèficit de la OXPHOS resultant en tots els casos (atribuït a alteracions de la traducció mitocondrial de proteïnes) produïx fenotips tan diversos. La nostra hipòtesi és que la senyalització retrògrada mitocondria-nucli promoguda per la hipomodificació dels mt-tRNAs en 2 o 5 de la U34 és diferent i la resposta nuclear en cada cas es dependent del programa genètic i epigenètic de cèl¿lules i organismes. Hem utilitzat el nematode C. elegans com a organisme model per a estudiar els efectes produïts per la inactivació de les proteïnes homòlogues de MTU1, GTPBP3 i MTO1 a les que hem denominat MTTU-1, MTCU-1 i MTCU-2. Hem comprovat que aquestes proteïnes, codificades pel nucli, són de localització mitocondrial i estan implicades en la modificació de la U34 dels mt-tRNAs. Els mutants mtcu-1 i mtcu-2 presenten una reducció en la seua fertilitat i, en el cas del mutant mttu-1, fenotipus associats a termosensibilitat. Els fenotipus exhibits pels mutants mttu-1, mtcu-1 i mtcu-2 sustenten la hipòtesi que la mutació mttu-1, i les mutacions mtcu-1 i mtcu-2 promouen senyals retrògrads diferents que produïxen patrons d'expressió nuclears específics. Així, un tret fenotípic dependent de gens nuclears (com ho és la transcripció i/o l'estabilitat dels mt-tRNAs) i l'expressió de gens nuclears com ucp-4, hsp-6, hsp-60 i altres implicats en el metabolisme mitocondrial mostren un patró diferent en els dos grups de mutants. Els gens hsp-6 i hsp-60 (marcadors de la UPRmt) estan regulats a la baixa en el mutant mttu-1. Els tres mutants simples exhibixen una reducció en l'expressió de gens de la glicòlisi i de la ß-oxidació dels àcids grassos, una inducció en un marcador de glutaminolisi i una inducció en el gen ucp-4 (major en el mutant mttu-1) implicat en el transport de succinat a la mitocondria. Atés que els tres mutants simples presenten una disfunció OXPHOS relativament suau, proposem que els canvis d'expressió en gens que modulen el metabolisme mitocondrial revelen una reprogramació del cicle del TCA que compensa la disminució en l'aportació d'acetil-CoA procedent de la glicòlisi i de l'oxidació d'àcids grassos amb l'activació de rutes anaplerótiques del cicle del TCA (importació de succinat a la mitocondria per UCP-4 i aportació de ¿-cetoglutarat de la glutaminolisi). També s'analitzen els efectes de l'anul¿lació simultània de les modificacions en 2 i 5 de la U34. El doble mutant mttu-1;mtcu-2 presenta una disfunció OXPHOS severa, amb una ràtio AMP/ATP 5 vegades superior al control, que resulta en letalitat embrionària, detenció del desenvolupament en estadis larvaris primerencs, esterilitat completa en els adults i una longevitat unes 2 vegades superior al control. Aquest increment de la longevitat està modulat per rutes de senyalització que depenen de la subunitat catalítica AAK-1 (AMPK), i d'hormones esteroidees (a través de les proteïnes DAF-9 i DAF-12). En resum, aquest treball mostra per primera vegada a nivell d'un animal model la important reprogramació de gens relacionats amb el metabolisme mitocondrial en resposta a la hipomodificació de la U34 dels mt-tRNAs i
Navarro González, MDC. (2016). Caenorhabditis elegans as a research tool to study mitochondrial diseases associated with defects in tRNA modification [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/61978
TESIS
Muringaseril, Sigu. "Control concepts in multinational corporations (MNCs) : the case of Swiss MNCs with foreign subsidiaries in India". kostenfrei, 2007. http://www.unisg.ch/www/edis.nsf/wwwDisplayIdentifier/3398.
Texto completoAlmamari, Awadh. "On the competition between multinational enterprises within developing countries : developing country MNEs versus developed country MNEs". Thesis, University of East Anglia, 2014. https://ueaeprints.uea.ac.uk/49757/.
Texto completoOuerghi, Abdelkarim. "Croissance épitaxiale de MnAs sur GaAs(111) et étude des reconstructions de la surface de MnAs". Paris 6, 2004. http://www.theses.fr/2004PA066568.
Texto completoHo, Yen-Chen. "Multilateral transfer of technological knowledge in MNEs : a study based on IC design MNEs, 2001-2008". Thesis, University of Reading, 2016. http://centaur.reading.ac.uk/68438/.
Texto completoMuringaseril, Sigu. "Control concepts in multinational corporations (MNCs) the case of Swiss MNCs with foriegn subsidiaries in India /". Niedermann Druck, St. Gallen : Univ. of St. Gallen, 2007. http://search.ebscohost.com/login.aspx?direct=true&db=buh&AN=35635054&site=ehost-live.
Texto completoNair, Smitha R. "Reverse knowledge transfer in Indian MNEs". Thesis, University of Sheffield, 2013. http://etheses.whiterose.ac.uk/5273/.
Texto completoPaes, Vagner Zeizer Carvalho. "Simulação de ciclos de histerese magnética de filmes finos de MnAs/GaAs(001) e MnAs/GaAs(111)". reponame:Repositório Institucional da UFPR, 2013. http://hdl.handle.net/1884/29276.
Texto completoChang, Yi-Ying. "HRM strategies and practices and emerging MNCs in the UK : the case of Taiwanese MNCs in the UK". Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/34719.
Texto completoPersson, Magnus. "Unpacking the Flow : Knowledge Transfer in MNCs". Doctoral thesis, Uppsala universitet, Företagsekonomiska institutionen, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7115.
Texto completoLundeteg, Amanda. "Knowledge Management: Standardization vs. Adaptation in MNCs". Thesis, Uppsala universitet, Företagsekonomiska institutionen, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-167412.
Texto completoRutter, P. "A new non-volatile MNOS memory element". Thesis, University of Southampton, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377953.
Texto completoBelal, Nacera Catherine. "Recontextualizing Culture, Power, and Change within MNCs". Thesis, The American University of Paris (France), 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=13871675.
Texto completoThe current state of the global economy is in constant transformation. This transformation results in new industries, technologies, and markets. In order to effectively maintain relevance throughout these transformations, organizations must be equipped with the ability to manage change and foster innovation. An organization that is unable to adapt to the rapid changes taking place in this economy will be at greater risk for failure. Context, whether it be cultural, geographic, social or a mix of several overlapping dynamics, is the silent decider of organizational paradigms. The process of transferring organizational assets, such as strategy or culture, from one context to another, is known as recontextualization. This thesis seeks to address the significance of recontextualized organizational assets within a Multinational Corporation (MNC) and the impact on its employees and management structures. The case study will examine how recontextualization shapes a French Headquarter (HQ) - US subsidiary relationship, and more specifically how this contextual dynamic impacts the reception of a HQled change management mission. The conclusion of this thesis will provide perspective for future attempts at collaborative change must integrate greater awareness of recontextualization, particularly during their planned strategic organizational transformation. The supporting research presented throughout this work encompasses interviews with organizational development leaders, cross-cultural management and recontextualization experts, as well as employee testimonials and an autoethnography illustrating the complexities of the HQ-subsidiary relationship.
Rissanen, Philip y Adam Sahlin. "The Impact of Reshoring on European MNEs’ Performance". Thesis, Uppsala universitet, Företagsekonomiska institutionen, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-447861.
Texto completoZerbetto, Giulia <1993>. "The induction program of MNCs operating in China". Master's Degree Thesis, Università Ca' Foscari Venezia, 2017. http://hdl.handle.net/10579/11829.
Texto completoLounis, Lounès. "propriétés magnétiques et structurales de fe/mnas/gaas(001) et dynamique photo-induite des transitions de phases dans mnas/gaas(001)". Thesis, Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLET017/document.
Texto completoThe subject of this thesis is the study of the magnetic and structural properties of MnAs/GaAs(001) and of the photoinduced phase transition dynamics in MnAs/GaAs(001). MnAs exhibits a peculiar sequence of magneto-structural phase transitions. In the bulk, α-MnAs is hexagonal and ferromagnetic (FM). At 313K, it transits (1st order) towards β-MnAs becoming orthorhombic and FM order is lost. At 400K, it transits (2nd order) towards γ-MnAs becoming paramagnetic and hexagonal. When MnAs is grown epitaxially on GaAs(001), α and β phases coexist in the form of self-organized stripes with alternating phases, which permits the appearance of a dipolar magnetic field close to the surface. This field allows the manipulation of the Fe magnetization via the temperature, without applying magnetic field, or locally via a femtosecond laser pulse. Measurements were made using magneto-optical Kerr effect (MOKE) and X-ray resonant scattering (XRMS). The XRMS gives access to the evolution of the stripes with the temperature and to the magnetization of each layer (at the L3 edge of Fe and Mn). Hysteresis cycles of magnetic layers can be obtained by XRMS and also by MOKE thanks to the linearity of the response. The photo-induced structural dynamics of MnAs/GaAs(001) was also studied by time-resolved X-ray diffraction from the picosecond to the microsecond timescales. The results evidence the excitation of coherent phonons, the generation of a strain wave, the nucleation of the γ phase, and finally the transient formation of self-organized stripes during the cooling phase. These results provide insight into the Fe magnetization reversal process in Fe/MnAs/GaAs(001) and a mechanism is proposed
Danell, Roger y Anders Knutsson. "Transnational development projects in MNCs: A study of Ericsson". Thesis, Linköping University, Department of Management and Economics, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-858.
Texto completoBackground: The past decades two trends has been detected in the society. First of all, the new economy has brought along globalisation as a striking trend, and secondly we have been hit by some kind o f"projectification". The two trends seem to work against each other on several levels and global companies have a hard time coping with both at the same time.
Purpose: The purpose of this thesis is to describe how an international development project is organised and show what impacts a MNC structure has on its projects concerning management and communication. Method: In order to reach an understanding, a qualitative case study was performed, and several interviews with people within a Ericsson project was made. In addition, Ericsson internal material and project documentation was used.
Findings: We found that the global structure very much has an impact on the project studied and that it did not have the characteristics that, literature of today describes, is common for projects. Since the project consist of several independent subsidiary we would not like to call it a project organised in a matrix, but rather described as an "intra-corporational consortium". Because of this structure, there are implications for management and communication as well. The management, we believe, is more done by "good will", and there is a strong resistance for communicating since there is a belief that information will handle all problems.
Lundström, Fredrik y Christofer Andersson. "Evaluating Emerging Markets : Swedish MNCs and their Evaluation Behavior". Thesis, Uppsala University, Department of Business Studies, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7939.
Texto completoCountry portfolio analysis, a commonly used tool among companies when evaluating potential target markets, only focus on potential sales instead of including cost and risk into the equation. However, some researchers today have become aware of the importance of taking these costs and risks into account. One of these researchers is Pankaj Ghemawat, who has developed a framework called CAGE which is supposed to be a complementary tool to the country portfolio analysis model. In this thesis we study if Swedish MNCs consider the factors suggested in the CAGE-framework when evaluating emerging markets. Furthermore, we suggest some adjustments to the evaluation process.
Data have been collected through a web-based questionnaire. The respondents were all headquarter managers in Swedish multinational corporations (MNCs). Our results show that the two most overlooked distances of the CAGE-framework are the cultural and the geographic distances. Hence, the two most considered were the economic and administrative distances. This is in partial accordance with Ghemawat’s theory, in which he states that the cultural distance is one of the two most overlooked distances. However, he presents administrative distance as the second most overlooked distance, which means that our thesis shows a somewhat different result than Ghemawat’s findings.
A company evaluating an entry into an emerging market needs to consider the CPA-model, but this is not enough. They also need to take other factors into account. These are previous as well as future growth of the market, predicted growth for the specific product or service in the market in question, and the competitive situation in the emerging market. A consideration of these factors gives the company a complete picture of a market regarding profit potential. Thereafter, this potential needs to be adjusted for the distances in the CAGE-framework.
Larsson, David, Johan Lindelöf y Johan Wennergren. "Swedish MNCs in China : Managing and Organizing Across Borders". Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Företagsekonomi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-18370.
Texto completoMohammed, Zeidan Ibrahim. "Host government control of MNEs : Squibb Egypt case study". Thesis, University of Hull, 1990. http://hydra.hull.ac.uk/resources/hull:4584.
Texto completoMohanty, Jyoti Ranjan. "Micromagnetic investigation of MnAs thin films on GaAs surfaces". Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2005. http://dx.doi.org/10.18452/15334.
Texto completoThis work presents the study of the micromagnetic domain structure and the coupled magneto-structural phase transition of epitaxial MnAs thin films on GaAs. In particular, the influence of substrate orientation, film thickness and external magnetic field on the magnetic and structural properties are investigated, employing the complementary measurement techniques atomic force microscopy (AFM) / magnetic force microscopy (MFM) and low energy electron microscopy (LEEM) / X-ray magnetic circular dichroism photoemission electron microscopy (XMCDPEEM. In the course of the first-order phase transition MnAs films on GaAs (001) and (311)A substrates show a regular array of ferromagnetic alpha- and paramagnetic beta-MnAs stripes. The width of the ferromagnetic stripes are a function of the temperature, whereas the periodicity of the stripe pattern is a function of the film thickness. The domain structure strongly depends on the width and the distance of the ferromagnetic stripes, as it directly affects the shape anisotropy and magnetic coupling, respectively. The domain patterns are classified depending on the number of subdomains along the easy axis direction. Up to three basic domain types can be distinguished. For MnAs films grown on GaAs (111)B, the epitaxy leads to a different strain state of the film, resulting in polygonal ferromagnetic structures embedded in a honeycomb-like paramagnetic network, and a higher phase transition temperature. Using temperature-dependent AFM, MFM and XMCDPEEM it is shown that the local strain relaxation in the vicinity of cracks in the MnAs film results in a locally increased phase transition temperature. In order to study magnetization reversal processes on a microscopic scale, as well as the influence of the magnetic field on the domain structure, a variable-magnetic field set-up is employed.
O'Gorman, William J. M. "MNEs and new enterprise creation : do MNEs have a direct impact on the amount of new indigenous high-tech start-ups in Ireland?" Thesis, Middlesex University, 2007. http://eprints.mdx.ac.uk/6748/.
Texto completoMachulskyi, Ievgen y Yury Bogomyagkov. "Corporate and business strategy at MNEs : A managerial practice view". Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Företagsekonomi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-19705.
Texto completoLindbergh, Josefine y Evelina Valge. "Appraisal process of Swedish expatriates : - How does Scandinavian culture affect it?" Thesis, Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-19885.
Texto completoMolnár, K. Z., P. Turmezei, Zs J. Horváth y B. Kovács. "Retention Behaviour of MNOS Memory Devices with Embedded Si or Ge Nanocrystals – Computer Simulation". Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35385.
Texto completoNevondo, Walter. "Engineering bacterial magnetic nanoparticles". Thesis, University of the Western Cape, 2013. http://hdl.handle.net/11394/4432.
Texto completoMagnetosomes, produced by magnetotactic bacteria (MTB), are the most attractive alternative source of non-toxic biocompatible magnetic nanoparticles (MNPs). A magnetosome contains Fe2O4 magnetite with properties superior to MNPs synthesized by the traditional chemical route. However, synthesis of magnetosomes on large scale has not been achieved yet because magnetotactic bacteria are fastidious to grow. In addition, magnetosomes are generally “soft” magnetic materials which can only be used for some applications, while other applications require “hard” magnetic materials. Here at the Institute of Microbial Biotechnology and Metagenomic (IMBM), a study is being conducted on cloning and expression of the magnetosome gene island (MIA), the genetic machinery for magnetosome formation, in an easy to culture E. coli strain. The magnetic properties of the magnetosome can be manipulated by doping with divalent metals such as Ni2+ or Co2+ for a variety of applications. The specific objective of this study was to genetically engineer E. coli strains which accumulate intracellular Ni2+ or Co2+ in order to manipulate the magnetic properties of the magnetosomes. Three E. coli mutants and a wild type strain were transformed with high affinity Ni2+ or Co2+ uptake genes and evaluated for intracellular accumulation at different medium concentrations of NiCl2 or CoCl2. Cellular iron and magnesium were also evaluated because iron is the major component of the magnetosome and magnesium is important for cell growth. The wild type strain, EPI 300 habouring Ni2+ uptake permease the hoxN gene or Co2+ uptake ABC type transporter cbiKMQO operon was found to accumulate the most intracellular Ni2+ or Co2+ in medium conditions most likely to induce magnetosome formation and magnetite manipulation. This strain can be used to co-express the MIA and Ni2+ or Co2+ uptake gene for mass production of magnetosome with altered magnetic properties.
Dang, Jolyn. "Managing Expatriates in Asia US MNEs managing expatriates in China /". St. Gallen, 2004. http://www.biblio.unisg.ch/org/biblio/edoc.nsf/wwwDisplayIdentifier/01649482001/$FILE/01649482001.pdf.
Texto completoVan, Zyl Stefan Daniel. "The diplomacy of multinational corporations (MNCs) : bargaining with developing states". Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/50137.
Texto completoENGLISH ABSTRACT: This assignment investigates the bargaining relationship between multinational corporations (MNCs) and developing countries. The units of analysis of this study in Global Political Economy are MNCs (non-state actors) and nation-states. In the contemporary global production structure the 'balance of power' between MNCs and developing countries has shifted in favour of MNCs. Descriptive secondary sources were used to illustrate the MNC-State bargaining relationship in telecommunications privatisation in Sub-Saharan Africa. In the contemporary global economy nation-states only rarely still compete for territory, but rather for wealth-creating activities to be located within their borders. Important changes in the global production structure have resulted in the increased mobility and economic power of MNCs. These developments have affected the strategic relationship between MNCs and nation-states and the former have used their advantage to gain preferential treatment in the bargaining process. The nation-states are also competing amongst themselves for the investment and technology and knowledge transfers from these firms. Privatisation programmes in Sub-Saharan Africa have substantially increased MNC participation on the continent, which has been historically marginalised from global foreign direct investment receipts. Research has shown that MNC participation in infrastructure service provision is more efficient than government ownership. However, this does not constitute a loss of sovereignty, but rather emphasises the changing role of nation-states as facilitators of global market relations. On examination, the distinct bargaining relationship in telecommunications privatisation clearly illustrates the dependence of Sub-Saharan African countries on technologically advanced MNCs. Thus, the 'balance of power' has shifted more to MNCs in the global political economy.
AFRIKAANSE OPSOMMING: Hierdie navorsingswerkstuk ondersoek die bedingingsverhouding tussen multinasionale korporasies (MNKs) en ontwikkelende lande. Die ondersoekeenhede in die studie van die Globale Politieke Ekonomie is MNKs (nie-staatrolspelers) en regeringstate. In die huidige globale produksiestruktuur het die mag tussen MNKs en ontwikkelende lande verander sodat die MNKs nou die magsoorwig het. Beskrywende sekondêre bronne is gebruik om die MNK-regeringstaat se bedingingsverhouding in telekommunikasie privatisering in Sub-Sahara Afrika te illustreer. In die teenswoordige globale ekonomie kompeteer regeringstate selde met mekaar om territoriale mag, maar oorwegend om welvaartskeppende bedrywe binne hul grense aan te moedig. Belangrike veranderings in die globale produksiestruktuur het MNKs se mobiliteit en ekonomiese mag verhoog. Hierdie ontwikkelinge het die strategiese verhouding tussen MNKs en regeringstate verander. MNKs gebruik hierdie invloed om voordeel te trek uit regeringstate wat kompeteer vir belegging en die tegnologie- en kennisoordrag van hierdie korporasies. Privatiseringsprogramme in Sub-Sahara Afrika het MNK-deelname op die kontinent verhoog, wat histories gemarginaliseer is van buitelandse direkte belegging. Navorsing dui daarop dat MNKs se deelname in infrastruktuurdienslewering meer doeltreffend is, as wanneer dit onder staatsbeheer is. Dit lei egter nie tot 'n verlies aan soeweriniteit nie, maar beklemtoon die regeringstaat se veranderde rol as fasiliteerder van globale markverhoudinge. Die ondersoek na die uitsonderlike bedingingsverhouding in die privatisering van telekommunikasie beklemtoon Sub-Sahara Afrika se afhanklikheid van tegnologies-ontwikkelde MNKs. Die magsbalans het gevolglik na die MNKs oorskuif in die globale politieke ekonomie.
Mahnke, Volker, Björn Ambos, Phillip C. Nell y Bersant Hobdari. "How Do Regional Headquarters Influence Corporate Decisions in Networked MNCs?" Elsevier, 2012. http://dx.doi.org/10.1016/j.intman.2012.03.001.
Texto completoShetty, Sadu. "Impact of Firm Performance, Multi-Nationality, and Innovation in MNCs". NSUWorks, 2013. http://nsuworks.nova.edu/hsbe_etd/105.
Texto completoBeggs, James. "The MAP-kinase interacting kinases (Mnks) as targets in cancer". Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/390651/.
Texto completoStead, Rebecca. "Novel roles for the MAPK-interacting serine threonine kinases (Mnks)". Thesis, University of Southampton, 2013. https://eprints.soton.ac.uk/358973/.
Texto completoIntscher, Nicholas. "The fragmentation of political risk and MNCs' supply chain linkages". Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/128635.
Texto completoCataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 260-279).
Political science research devotes considerable attention to the impact of political risk on multinational companies' (MNCs') behavior. However, this body of research suffers from two main oversights: (1) a disproportionate focus on MNCs' investment decisions, and (2) an assumption that political risk takes a common, centralized form across countries. In this dissertation, I redirect, attention to the political determinants of MNCs' supply chain linkages. I argue that these linkages represent a risk-mitigating strategy for MNCs, and one that is particularly well suited for dealing with environments where the sources of political risk are spread throughout the state apparatus -- which I refer to as fragmented political risk. To test this theory, I draw on both cross-sectional survey data of MNCs in Sub-Saharan Africa and firm-level panel data from Indonesia -- a country that experienced a profound fragmentation in the structure of political risk. The principal finding of this research is that fragmented political risk causes MNCs to increase their use of local suppliers, with particularly strong effects among those that are (1) more vulnerable to political risk, and (2) have a greater capacity to adopt linkages, in general. These findings qualify research on the political determinants of FDI by showing that MNCs, and not merely states, are capable of resolving political risk in the host country.
by Nicholas Intscher.
Ph. D.
Ph.D. Massachusetts Institute of Technology, Department of Political Science
Rühl, Andreas [Verfasser]. "Molecular dynamics simulation of gold growth on MnAs / Andreas Rühl". Gießen : Universitätsbibliothek, 2016. http://d-nb.info/1122432968/34.
Texto completoBeer, Sebastian. "Productive and Unproductive Reactions of MNEs to International Tax Differentials". WU Vienna University of Economics and Business, Universität Wien, 2015. http://epub.wu.ac.at/4559/1/SSRN%2Did2610616.pdf.
Texto completoSeries: WU International Taxation Research Paper Series
Czudek, Aleš. "Simulace přestupu tepla v nízkonapěťovém rozváděči MNS". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221077.
Texto completoKerekou, Hondo Séphora Claire. "Transfer of training and development practice from western countries MNCs to their subsidiaries in developing countries : the case of french and US MNCs in ivory cost". Doctoral thesis, Université Laval, 2021. http://hdl.handle.net/20.500.11794/69448.
Texto completoThis thesis examines institutional and cultural determinants of training and development practice transfer to French and US MNCs' subsidiaries in Ivory Coast, a developing country of Africa. The fundamental research question is: 1) what institutional and cultural factors influence training and development practice transfer to French and US MNCs' subsidiaries in Ivory Coast? This thesis is divided into three (03) articles to answer this question. The first article highlights human capital development initiatives in Sub-Saharan Africa, identifies challenges related to them, and offers solutions for their improvement. The second article investigates the host country's institutional factors that influence training and development practice transfer to French and US MNCs' subsidiaries in Ivory Coast. The third article examines the influence of the cultural distance between home and host countries on such transfer.
Chen, Ivy Siok Ngoh. "Newly industrialised country firms in Western Europe : marketing strategies, organisation and performance". Thesis, University of Warwick, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323373.
Texto completoDuanmu, Jing-Lin. "Vertical knowledge transfer from multinational enterprises (MNEs) to Chinese supplier firms : an explorative study". Thesis, University of Bath, 2006. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.512324.
Texto completoKynighou, Anastasia. "Analysing the interplay of factors affecting the implementation of HRM within service sector MNCs : the case of Cypriot sub-units". Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/analysing-the-interplay-of-factors-affecting-the-implementation-of-hrm-within-service-sector-mncs-the-case-of-cypriot-subunits(5637bb36-d34f-4785-a96e-b43ce3f29031).html.
Texto completoGraber, Annette. "Executive Hiring and Retention in Multi-National Corporations (MNCs) in China". St. Gallen, 2004. http://www.biblio.unisg.ch/org/biblio/edoc.nsf/wwwDisplayIdentifier/01650423001/$FILE/01650423001.pdf.
Texto completoThyssen, Jacqueline y Christiane Hinrichs. "Online communication of CSR by Swedish MNEs : A multiple case study". Thesis, Högskolan Väst, Avd för företagsekonomi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-7923.
Texto completoBergman, Sonia y Hanna Dackland. "THE INFLUENCE OF LEADERSHIP BEHAVIOURS IN THE INTERNATIONALISATION PROCESS OF MNCS". Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Företagsekonomi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-39955.
Texto completoLi, Zhengyun. "Subsidiary autonomy and performance of Chinese MNEs in an emerging market". Diss., University of Pretoria, 2017. http://hdl.handle.net/2263/59852.
Texto completoMini Dissertation (MBA)--University of Pretoria, 2017.
pa2017
Gordon Institute of Business Science (GIBS)
MBA
Unrestricted
Resvik, Lina y Viktoria Vegborn. "Determining a CSR Strategy when Internationalizing - A Study on Swedish MNCs". Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Företagsekonomi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-44200.
Texto completoHermansson, Frida y Ulrika Kilnes. "Knowledge transfer from expatriates : A study of MNCs’ exploitation of expatriates’ knowledge". Thesis, Uppsala University, Department of Business Studies, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-9431.
Texto completoThis paper investigates how expatriates experience that their knowledge gained from international assignments is transferred and exploited by the MNC. The results from 93 expatriates from eleven Large Cap companies suggest that knowledge is not exploited trough formal mechanisms. Instead informal mechanisms of knowledge transfer such as networks and own initiatives seem to be a more common way of transferring and exploiting knowledge in the investigated MNCs. The findings indicate that the knowledge that the expatriates that failed their mission abroad gained is not exploited to the same extent as the expatriates that successfully completed their assignments.
Asimenu, Ernest. "FDI location characteristics of MNEs location decisions in the Ghanaian banking sector". Thesis, Brunel University, 2013. http://bura.brunel.ac.uk/handle/2438/13046.
Texto completo