Search for dissertations about: "tolstoy"

Showing result 1 - 5 of 6 swedish dissertations containing the word tolstoy.

  2. 1. Chlorophyll a as a measure of phytoplankton biomass

    Author : Anna Tolstoy; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP;

    Abstract : .... READ MORE

  4. 2. International entrepreneurship in networks : the impact of network knowledge combination on SMEs’ business creation in foreign markets

    Author : Daniel Tolstoy; Handelshögskolan i Stockholm; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Abstract : Small and medium-sized enterprises (SMEs) face numerous challenges to stay competitive in the international marketplace. They have to align their business models to suit the needs and wants of customers in different markets. They also have to counter the competition of larger, more affluent firms. READ MORE

  5. 3. High-Efficiency SiC Power Conversion : Base Drivers for Bipolar Junction Transistors and Performance Impacts on Series-Resonant Converters

    Author : Georg Tolstoy; Hans-Peter Nee; Stig Munk-Nielsen; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Silicon Carbide; Bipolar Junction Transistor BJT ; Resonant converter; Series-resonant converter SLR ; Base drive circuits; High- Efficiency Converters; High-Frequency Converters; Electrical Engineering; Elektro- och systemteknik;

    Abstract : This thesis aims to bring an understanding to the silicon carbide (SiC) bipolar junction transistor (BJT). SiC power devices are superior to the silicon IGBT in several ways. They are for instance, able to operate with higher efficiency, at higher frequencies, and at higher junction temperatures. READ MORE

  6. 4. Synthesis and Evaluation of N,P-Chelating Ligands in Asymmetric Transition-Metal-Catalyzed Reactions : Ir-Catalyzed Asymmetric Hydrogenation and Pd-Catalyzed Asymmetric Intermolecular Heck Reaction

    Author : Päivi Tolstoy; Pher G. Andersson; Göran Hilmersson; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Asymmetric hydrogenation; Heck reaction; N; P ligand; Iridium; Palladium; Asymmetric catalysis; Alkenes; Fluorine; Diarylmethine stereocenters; Chemistry; Kemi; organisk kemi; Organic Chemistry;

    Abstract : This thesis describes synthesis of new chiral N,P ligands and their evaluation in two types of asymmetric transition-metal catalyzed reactions. The first part of the thesis describes studies in iridium-catalyzed asymmetric hydrogenation. READ MORE

  7. 5. Managing Digital Open Innovation with User Communities : A Study of Community Sensing and Product Openness Capabilities in the Video Game Industry

    Author : Peter Ek; David Sörhammar; Peter Thilenius; Daniel Tolstoy; Uppsala universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; User communities; open innovation; dynamic capabilities; video game industry; Business Studies; Företagsekonomi;

    Abstract : Digital and open innovation has changed how product innovation occur and how it is managed by firms. Digital technology as an enabler of increasingly distributed innovation processes has in particular impacted firms’ abilities to draw on, and leverage, large numbers of external users and user communities to develop their offerings. READ MORE