Sökning: "Temperature equilibrium."

Visar resultat 26 - 30 av 96 uppsatser innehållade orden Temperature equilibrium..

  1. 26. Development of headspace solid phase microextraction gas chromatography mass spectrometry method for analysis of volatile organic compounds in board samples : Correlation study between chromatographic data and flavor properties

    Master-uppsats, Karlstads universitet/Institutionen för ingenjörs- och kemivetenskaper (from 2013)

    Författare :Thea Zethelius; [2021]
    Nyckelord :Solid phase microextraction SPME ; method development; volatile organic compounds VOCs ; food contact material FCM ; flavor experience; design of experiment DoE ; multivariate analysis;

    Sammanfattning : The purpose of this thesis work was to develop a headspace solid phase microextraction gas chromatography mass spectrometry (HS-SPME-GC-MS) method to detect volatile organic compounds (VOCs) in board samples and to statistically investigate potential correlation between chromatographic data and flavor data obtained from a trained panel. The developed method would hopefully serve as a complement to the already established routine analyses at Stora Enso and gain an increased understanding of which VOCs in the board influence its flavor properties. LÄS MER

  3. 27. Combined CALPHAD and Machine Learning for Property Modelling

    Master-uppsats, KTH/Materialvetenskap

    Författare :Kyle Paulus; [2020]
    Nyckelord :;

    Sammanfattning : Techniques to improve the speed at which materials are researched and developed has been conducted by investigating the machine learning methodology. These techniques offer solutions to connect the length scales of material prop- erties from atomistic and chemical features using materials databases generated from collected data. LÄS MER

  4. 28. Increased Drought and Fire Intensity Regimes Reduce the Ecological Resilience of Mediterranean Forests in the South-West Australian Floristic Region

    Master-uppsats, Uppsala universitet/Institutionen för biologisk grundutbildning

    Författare :Shareen Sanders; [2020]
    Nyckelord :Allometric models; Above-ground biomass AGB ; drought; fire; disturbance; understorey; resilience; Mediterranean.;

    Sammanfattning : Future climate projections suggest an increase in average temperature as well as a decrease in average winter rainfall across the south-west Australian floristic region (SWAFR). These adverse future climatic conditions will amplify the intensity and frequency of disturbance events such as drought and fire. LÄS MER

  5. 29. Finite temperature effects on decay rates in the real-time formalism

    Master-uppsats, Lunds universitet/Teoretisk partikelfysik - Geonomgår omorganisation

    Författare :Torbjörn Lundberg; [2020]
    Nyckelord :finite; temperature; effect; decay; rate; real; imaginary; time; formalism; real-time; imaginary-time; two-body; neutral; pseudoscalar; scalar; charge; spin-1 2; fermions; thermal; quantum; field; theory; equilibrium; Physics and Astronomy;

    Sammanfattning : This thesis work presents thermal decay rates for several reactions calculated within the framework of the real-time formalism. Processes considered are those of a neutral (pseudo)scalar decaying into two distinct (pseudo)scalars or into a fermion-antifermion pair. LÄS MER

  7. 30. Conversion of CO2 to higher alcohols

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Industriell miljö- och processteknik

    Författare :Joshua Higby; [2020]
    Nyckelord :CO2 hydrogenation; higher alcohols; modelling; process intensification;

    Sammanfattning : I rapporten framgår det en termodynamisk analys för reverse water gas shift med att sammanmata etanol för att undvika det långsammaste steget i reaktionen för att producera högre alkoholer. Ifrån ett termodynamiskt perspektiv, verkar det möjligt att utgå ifrån reverse water gas shift för att producera högre alkoholer vid 100 bar med en temperatur på 300C . LÄS MER