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The Homogeneous Charge Compression Ignition (HCCI) principle holds promise to increase efficiency and to reduce emissions from internal combustion engines. As HCCI combustion lacks direct ignition timing control and auto-ignition depends on the operating condition, control of auto-ignition is necessary. Since auto-ignition of a homogeneous mixture is very sensitive to operating conditions, a fast
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Examination och utvärdering av doktorander innefattar, som all handledningen (Lauvås & Handal, 2001, s. 347-351), bortsett från den summativa examinationen (disputationen, tentamina etc.) en ständigt pågående återkopplande, formativ examination. Den senare har större möjligheten att hjälpa studenten att nå målen då den kan påverka utbildningsprocessen och lyfta studenten till den nivå som kräv
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The Swedish Air Navigation Services Provider (LFV ANS) are undergoing major organizational changes in order to adapt to changing demands on efficiency and technical development in air traffic control. In these change processes the foundations of the safety work can be affected and changes in the existing safety culture can be introduced. In a joint research project – Human Factors in Air Navigatio