Search for dissertations about: "winter operation"

Showing result 1 - 5 of 35 swedish dissertations containing the words winter operation.

  2. 1. Technical and contractual aspects in winter highway and railway operation and maintenance : a survey of current technical systems and contract forms in Sweden

    Author : Adel Hirmand Abdi; Björn Birgisson; Rolf Magnusson; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; climatology; macroclimate; microclimate; pavement structure; pavement design; roughness; IRI; friction; friction measurement; friction devices; IFI; road grip; winter tyres; studded and non-studded tyres; winter maintenance; winter operation; road climate; RWISS; MDSS; contract theory; contract; contract types; construction contract; maintenance contract; procurement; payment forms; remuneration forms; partnering; Other civil engineering and architecture; Övrig samhällsbyggnadsteknik och arkitektur;

    Abstract : .... READ MORE

  4. 2. Towards Safer Lithium-Ion Batteries

    Author : Marie Herstedt; Kristina Edström; Martin Winter; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Inorganic chemistry; lithium-ion batteries; photoelectron spectroscopy; surface film; thermal stability; electrolyte additive; graphite; lithium iron phosphate; Oorganisk kemi; Inorganic chemistry; Oorganisk kemi; Inorganic Chemistry; oorganisk kemi;

    Abstract : Surface film formation at the electrode/electrolyte interface in lithium-ion batteries has a crucial impact on battery performance and safety. This thesis describes the characterisation and treatment of electrode interfaces in lithium-ion batteries. READ MORE

  5. 3. Institutional Tensions and Complexity in the Digital Innovation of Incumbent Business Models

    Author : Erdelina Kurti; Anita Mirijamdotter; Jeff Winter; Åkesson Maria; Linnéuniversitetet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; business model; digitalization; digital business model innovation; digital technologies; institutional logics; complexity; newspaper industry; Informatik; Information Systems;

    Abstract : Digitalization has influenced all areas of our lives, including businesses. It has provided numerous opportunities to organisations; at the same time, it has significantly challenged established business models in many sectors that were traditionally proven to be stable and successful, thus a need to innovate was called for. READ MORE

  6. 4. Coagulation, Inflammation and Myocardial Dysfunction in Unstable Coronary Artery Disease and the Influence of Glycoprotein IIb/IIIa Inhibition and Low Molecular Weight Heparin

    Author : Stefan James; Lars Wallentin; Agneta Siegbahn; Robbert de Winter; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Medicine; Acute coronary syndrome; Angina; Mortality; Myocardial infarction; Glycoprotein IIb IIIa inhibition; Troponin; C-reactive protein; Coagulation; Natriuretic peptide; Medicin; Dermatology and venerology; clinical genetics; internal medicine; Dermatologi och venerologi; klinisk genetik; invärtesmedicin; kardiologi; Cardiology;

    Abstract : Hjärt-kärl sjukdom är den vanligaste dödsorsaken i västvärlden. Samtidigt som antalet patienter med hjärtinfarkt har minskat, har antalet patienter med instabil kranskärlsjukdom d.v.s. READ MORE

  7. 5. A sensitivity analysis of the Winter-Kennedy method

    Author : Binaya Baidar; Michel J. Cervantes; Mikael Sendelius; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Hydropower; discharge; Winter-Kennedy; CFD; Sensitivity; Strömningslära; Fluid Mechanics;

    Abstract : Hydropower is among the lowest-cost electrical energy sources due to its long lifespan and lower operation and maintenance cost. The hydro-mechanical components of hydropower plants generally last about four to five decades, then they are either overhauled or replaced. READ MORE