17 resultados para Stenosed channel

em Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland


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Scand J Clin Lab Invest. 2007 Aug 1;:1-11 [Epub ahead of print]

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Tämän diplomityön tavoitteena on vertailla maailmanlaajuisen sähköalan yhtiön kanavapartneriohjelmaa yhtiön kilpailijoiden vastaaviin ohjelmiin, sekä laatia yhtiön käyttöön konkreettinen työkalu kanavapartneriohjelmien vertailua varten. Tavoitteena on myös tutkimuksessa kerätyn tiedon perusteella selvittää yhtiön kanavapartneriohjelman vahvuudet ja heikkoudet. Tässä diplomityössä tutkimusongelmaa on ensin tarkasteltu kirjallisuuden valossa, keskittyen kirjallisuuteen kilpailijavertailusta sekä jakelukanavista. Kilpailijavertailu, benchmark,on kuvattu tässä yhteydessä osana laadunhallintaa, painottaen yleisesti käytössä olevaa Campin 10 askeleen kilpailijavertailuprosessia. Tässä tutkimuksessa tarkasteltavat jakelukanavateoriat on jaoteltu kahteen osaan; jakelukanavan rakennetta käsitteleviin teorioihin sekä jakelukanavan hallintaa käsitteleviin teorioihin. Ensin mainitussa keskitytään lähinnä jakelukanavamalleihin ja -tyyppeihin, ja toisessa lähemmin partneri -käsitteeseen; kumppanuuteen, kanavapartnereihin ja kanavapartneriohjelmiin. Tavoitteena oli kerätä mahdollisimman tarkkaa ja ajankohtaista tietoa tutkimuksen kohteena olevien kilpailijayritysten kanavapartneriohjelmista. Tämä osoittautui varsin haastavaksi tehtäväksi. Tarpeeksi tietoa saatiin kuitenkin kerättyä sekä kirjallisuudesta että tehdyn kyselyn avulla, mikä mahdollisti alkuperäisenä tavoitteena olleen kilpailijavertailun sekä sen pohjalta tehdyt analyysit.

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Työn tavoitteena oli selvittää, kokevatko matkapuhelinalalla toimivat kanavapartnerit heitä varten suunnitellun asiakassuhdehallintajärjestelmän lisäarvopalveluna vaiko eivät. Työ toteutettiin asiakastyytyväisyystutkimuksen avulla, jossa mitattiin erilaisten partnereiden asennetta palvelua kohtaan. Työn tuloksena ilmeni, että palvelussa olevan informaation määrällä ei ollut suurta vaikutusta asiakkaiden tyytyväisyyteen. Syyt ovat pikemminkin yleisissä asenteissa vastaavia palveluja kohtaan.

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The objective of this thesis was to study the removal of gases from paper mill circulation waters experimentally and to provide data for CFD modeling. Flow and bubble size measurements were carried out in a laboratory scale open gas separation channel. Particle Image Velocimetry (PIV) technique was used to measure the gas and liquid flow fields, while bubble size measurements were conducted using digital imaging technique with back light illumination. Samples of paper machine waters as well as a model solution were used for the experiments. The PIV results show that the gas bubbles near the feed position have the tendency to escape from the circulation channel at a faster rate than those bubbles which are further away from the feed position. This was due to an increased rate of bubble coalescence as a result of the relatively larger bubbles near the feed position. Moreover, a close similarity between the measured slip velocities of the paper mill waters and that of literature values was obtained. It was found that due to dilution of paper mill waters, the observed average bubble size was considerably large as compared to the average bubble sizes in real industrial pulp suspension and circulation waters. Among the studied solutions, the model solution has the highest average drag coefficient value due to its relatively high viscosity. The results were compared to a 2D steady sate CFD simulation model. A standard Euler-Euler k-ε turbulence model was used in the simulations. The channel free surface was modeled as a degassing boundary. From the drag models used in the simulations, the Grace drag model gave velocity fields closest to the experimental values. In general, the results obtained from experiments and CFD simulations are in good qualitative agreement.

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Strategic partnerships have become a key to competitive advantage and success in a dynamic, global business environment. Partnering provides a strategic response to complex offerings that need multiple sources of technology and knowledge, allowing companies to offer a wider range of services and solutions to meet their customers’ needs. Companies that collaborate with strategic partners in sales channels may significantly grow their business and improve their prospects of winning major contracts. As a consequence, companies are increasingly transforming their go-to-market strategies and sales channel structures to align with the need to create added value to customers together with a business partner. The research objective of this case study is to review and assess the success of an established sales channel partnership in IT services industry and to find ways how to develop it towards a strategic collaboration. The research consists of two main parts. The first part reviews the literature, concluding with the identification of the critical success factors for partnering. The second part sets out for the case findings, focusing on how the success of the established sales channel partnership is perceived by key executives within the partner organizations, and further what actions are required to make the sales channel partnership and joint go-to-market more strategic.

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Kalciumjonen reglerar flera processer i celler såsom transkribering av gener, celldelning, cellernas rörlighet och celldöd. Därför har cellerna utvecklat många mekanismer för att reglera den intracellulära kalciumkoncentrationen. Kalciumkanaler spelar en viktig roll i denna regleringsprocess. TRPC-kanalerna (eng. canonical transient receptor potential) är en familj av jonkanaler med sju medlemmar (TRPC1-7) vars regleringsmekanismer och fysiologiska roller är varierande. TRPC2-kanalens fysiologiska signifikans, samt hur kanalen regleras, är dåligt karakteriserad. För första gången, rapporterar vi närvaron av TRPC2 kanalen i råttans sköldkörtelceller samt primära sköldkörtelceller från råtta. Hos gnagare har TRPC2 antagits vara exklusivt uttryckt i det vomeronasala organet. För att undersöka den fysiologiska betydelsen av kanalen, har vi utvecklat stabila celler med nedreglerat TRPC2 (shTRPC2) m.h.a. shRNA-teknik. Nedreglering av TRPC2 resulterade i stora skillnader i flera viktiga cellulära funktioner och i regleringen av sköldkörtelcellernas cellsignalering. Nedreglering av TRPC2 orsakade minskad agonist-beroende frigivning av kalcium från det endoplasmatiska nätverket, samt minskat agonist-beroende inflöde av extracellulärt kalcium, men ökade det basala kalciuminflödet. Uttrycket av PKCβ1 och PKCδ, SERCA-aktiviteten och kalciumhalten i det endoplasmatiska nätverket minskade i shTRPC2 celler. Kommunikation mellan kalcium- och cAMP-signalering påvisades vara TRPC2-beroende, vilket visades reglera uttrycket av TSH-receptorn. Vi undersökte också betydelsen av TRPC2 kanalen i reglering av sköldkörtelcellers proliferation, migration, vidhäftning och invasion; processer som alla var dämpade i shTRPC2 celler. Samamnfattningsvis påvisade dessa resultat en ny och viktig fysiologisk betydelse för TRPC2 kanalerna.

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The importance of after-sales service or service in general can be seen and experienced by customers every day with industrial as well as other non-industrial services or products. This dissertation, drawing on theory and experience, focuses on practical engineering implications, specifically the management of customer issues in the after-sales phase in the mobile phone arena. The main objective of this doctoral dissertation is to investigate customer after-sales issue management, specifically regarding mobile phones. The case studies focus on issue resolution time and the issue of corrective actions. This dissertation consists of a main body and four peer-reviewed journal articles and one manuscript currently under review by a peer-reviewed journal. The main body of this dissertation examines the elements of customer satisfaction, loyalty, and retention with respect to corrective actions to address customer issues and issue resolution time through literature and empirical studies. The five independent works are case studies supporting the thesis research questions. This study examines four questions: 1) What are the factors affecting corrective actions for customers? 2) How can customer issue resolution time be controlled? 3) What are the factors affecting processes in the service chain? and 4) How can communication be measured in a service chain? In this work, both quantitative and qualitative analysis methods are used. The main body of the thesis reviews the literature regarding the elements that bridge the five case studies. The case studies of the articles and surveys lean more toward the methodology of critical positivism and then apply the interpretive approach in interpreting the results. The case study articles employ various statistical methods to analyze and to interpret the empirical and survey data. The statistical methods were used to create a model that is useful for significantly optimizing issue resolution time. Moreover, it was found that samples for verifying issues provided by the customer neither improve the perceived quality of corrective actions nor the perceived quality of issue resolution time. The term “service” in this work is limited to the technical services that are provided by product manufacturers and after-sales authorized service vendors. On the basis of this research work, it has been observed that corrective actions and issue resolution time are associated with customer satisfaction and hence, according to induction theory, to customer loyalty and retention. This thesis utilizes knowledge of marketing and customer relationships to contribute to the existing body of knowledge concerning information and communication technology for after-sales service recovery of mobile terminals. The established models in the thesis contribute to the existing knowledge of the after-sales process of dealing with customer issues in the field of mobile phones. The findings suggest that process managers could focus more on communication and training provided to the staff as new technology evolves rapidly. The study also suggest the managers formulate strategies for how customers can be kept informed on a regular basis of the status of issues that have been escalated for corrective action. The findings also lay the foundation for the comprehensive objective to control the entire product development process, starting with conceptualization. This implies that robust design should be applied to the new products so that problems affecting customer service quality are not repeated. The objective will be achieved when the entire service chain from product development to the final user can be modeled and this model can be used to support the organization at all levels.

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The aim of this master’s thesis was to make a qualitative marketing research and on the basis of this to develop a distribution plan for the case company Finnish 3M Ltd.’s wound care products. The literature review includes three important parts: distribution channel planning, the buying behavior of seniors, and special characteristics of health care products’ marketing. The empirical part of this thesis comprises two different parts. The first part is a marketing research, in which the buying behavior of wound care products is studied in Espoo. The research aim was to examine, in which distribution channels the wound care patients under home care would most preferably buy wound care products during the time period, when municipalities will not yet provide the products for free. The data was collected through semi-structured phone interviews and regular interviews, and was treated qualitatively and anonymously. The study revealed that the recommendations of nurses and doctors influenced most the buying behavior of wound care customers. In the second part of the thesis a distribution channel plan for wound care products was made for the case company 3M Finland Ltd. based on the results. 3M Finland Ltd. should focus on pharmacies, online-stores and municipal health centers as their main distributors.

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The purpose of this study was to find out how a software company can successfully expand business to the Danish software market through distribution channel. The study was commissioned by a Finnish software company and it was conducted using a qualitative research method by analyzing external and internal business environment, and interviewing Danish ICT organizations and M-Files personnel. Interviews were semi-structured interviews, which were designed to collect comprehensive information on the existing ICT and software market in Denmark. The research used three external and internal analyzing frameworks; PEST analysis (market level), Porter´s Five Force analysis (industry level competition) and SWOT analysis (company level). Distribution channels theory was a base to understand why and what kind of distribution channels the case company uses, and what kind of channels target markets companies’ uses. Channel strategy and design were integrated to the industry level analysis. The empirical findings revealed that Denmark has very business friendly ICT environment. Several organizations have ranked Denmark´s information and communication technology as the best in the world. Denmark’s ICT and software market are relatively small, compared to many other countries in Europe. Danish software market is centralized. Largest software clusters are in the largest cities; Copenhagen, Aarhus, Odense and Aalborg. From these clusters, software companies can most likely find suitable resellers. The following growing trends are clearly seen in the software market: mobile and wireless applications, outsourcing, security solutions, cloud computing, social business solutions and e-business solutions. When expanding software business to the Danish market, it is important to take into account these trends. In Denmark distribution channels varies depending on the product or service. For many, a natural distribution channel is a local partner or internet. In the public sector solutions are purchased through a public procurement process. In the private sector the buying process is more straight forwarded. Danish companies are buying software from reliable suppliers. This means that they usually buy software direct from big software vendors or local partners. Some customers prefer to use professional consulting companies. These consulting companies can strongly influence on the selection of the supplier and products, and in this light, consulting companies can be important partners for software companies. Even though the competition is fierce in ECM and DMS solutions, Danish market offers opportunities for foreign companies. Penetration to the Danish market through reseller channel requires advanced solutions and objective selection criteria for channel partners. Based on the findings, Danish companies are interested in advanced and efficient software solutions. Interest towards M-Files solutions was clearly seen and the company has excellent opportunity to expand business to the Danish market through reseller channel. Since the research explored the Danish ICT and software market, the results of the study may offer valuable information also to the other software companies which are expanding their business to the Danish market.

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This study discusses the evolution of an omni-channel model in managing customer experience. The purpose of this thesis is to expand the current academic literature available on omni-channel and offer suggestions for omni-channel creation. This is done by studying the features of an omni-channel approach into engaging with customers and through the sub-objectives of describing the process behind its initiation as well as the special features communication service providers need to take in consideration. Theories used as a background for this study are related to customer experience, channel management, omni-channel and finally change management. The empirical study of this thesis consists of seven expert interviews conducted in a case company. The interviews were held between March and November 2014. One of the interviewees is the manager of an omni-channel development team, whilst the rest were in charge of the management of the various customer channels of the company. The organization and analysis of the interview data was conducted topically. The use of themes related to major theories on the subject was utilized to create linkages between theory and practice. The responses were also organized in two groups based on the viewpoint to map responses related to the company perspective as well as the customers´ perspective. The findings in this study are that omni-channel is among the best tools for companies to respond to the challenge induced by changing customer needs and preferences, as well as intensifying competitive environment. The omni-channel model was found to promote excellent customer experience and thus to be a source of competition advantage and increasing financial returns by creating an omni-experience for the customer. Through omniexperience customers see all of the transactions with a company presenting one brand and providing ease and effortlessness in every encounter. The processes behind omni-channel formulation were identified as customer experience proclaimed as the most important strategic goal, mapping and establishing a unified brand experience in all (service) channels and empowering the first line personnel as the gate keepers of omniexperience. Further the tools, measurement and supporting strategies were to be in accordance with the omni-channel strategy and the customer needs to become a partner in a two way transaction with the firm. Based on these findings a model for omni-channel creation is offered. Future research is needed to firstly, further test these findings and expand the theoretical framework on omni-channel, as it is quite scarce to date and secondly, to increase the generalizability of the model suggested.