Search for dissertations about: "upgrading"

Showing result 6 - 10 of 182 swedish dissertations containing the word upgrading.

  2. 6. Recycling and degradation of thermoplastic materials

    Author : Anna Jansson; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; recycling; upgrading; polypropylene; ageing; degradation; simulated recycling; polythylene;

    Abstract : .... READ MORE

  4. 7. A technological capabilities perspective on catching up : the case of the Chinese information and communications technology industry

    Author : Vicky Long; Staffan Laestadius; Edward Steinmueller; KTH; []
    Keywords : catching up; learning; capabilities; modularity in design; upgrading; appropriate technology; knowledge bases; patent thicket; appropriability; china; ICT; Industriell ekonomi och organisation; Industrial Engineering and Management;

    Abstract : This dissertation provides a capability creation perspective on the story of China’s technological catching up, or resurgence, if viewed from a broader historical perspective.Since the first Asian tigers caught up to modern technological standards (e.g. READ MORE

  5. 8. I-girder Composite Bridges with Lateral Bracing : Improved load distribution

    Author : Victor Vestman; Peter Collin; Robert Hällmark; Hans Petursson; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; assessment; bridge; composite bridge; steel-concrete composite; I-girder; case study; horizontal trusses; lateral bracing; rehabilitation; strengthening; torsional stiffness; upgrading; Byggkonstruktion; Structural Engineering;

    Abstract : This thesis deals with the subject of lateral bracing between the bottom flanges of I-girder composite bridges. The focus is on the impact of adding lateral bracing on existing bridges, as well as on new bridges. READ MORE

  6. 9. Energy Efficient Processes for the Production of Gaseous Biofuels - Reforming and Gas Upgrading

    Author : Helena Svensson; Avdelningen för kemiteknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Biofuels; Reverse-flow reforming; Gas upgrading; Amine absorption;

    Abstract : Replacing fossil fuels with biofuels is one way of reducing the emission of greenhouse gases into the atmosphere, thus decreasing our impact on the global climate. For this to be a viable option, several production routes are needed, as no single option can fully replace fossil fuels. READ MORE

  7. 10. Techno-economic analysis and optimization of electrochemical energy storage solutions

    Author : Guido Lorenzi; Andrew R. Martin; Carlos Silva; Massimo Santarelli; Kari Alanne; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical Energy Storage; Battery Energy Storage; Lithium-ion Batteries; Vanadium Flow Batteries; Power-to-Gas; Electrolysis; Biogas Upgrading; Armazenamento de Energia Elétrica; Armazenamento de Energia em Baterias; Baterias de Iões de Lítio; Baterias de Fluxo de Vanádio; Power-to-Gas; Eletrólise; Upgrading de Biogás; Elenergilagring; batterilagring; litiumjonbatterier; vanadinflödesbatterier; elkraft-till-gas; elektrolys; biogasuppgradering; Energy Technology; Energiteknik;

    Abstract : The need to integrate the rapidly growing share of variable renewable energy sources in the power sector requires solutions that are capable of mitigating the intermittent nature of these sources. They are expected to constitute the backbone of the electricity generation system in the coming years in order to reach ambitious goals in terms of energy security and reduction of environmental impact. READ MORE