Sökning: "c liu"

Visar resultat 1 - 5 av 605 avhandlingar innehållade orden c liu.

  1. 1. In Vivo Diffuse Reflectance Spectroscopy of Human Tissue : From Point Measurements to Imaging

    Författare :Erik Häggblad; Göran Salerud; Tomas Strömberg; Maurice C. G. Maurice C. G. Aalders; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Medical engineering; Medicinsk teknik;

    Sammanfattning : This thesis presents the non-invasive use of diffuse reflectance spectroscopy (DRS) to provide information about the biochemical composition of living tissue. During DRS measurements, the incident, visible light is partially absorbed by chromophores but also scattered in the tissue before being remitted. LÄS MER

  3. 2. English teaching in China : EFL teacher motivation and demotivation at the university level

    Författare :Fei Liu; Andrea C. Schalley; Solveig Granath; Maria Kuteeva; Karlstads universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; EFL teachers; higher education; career motivation; motivation; demotivation; level of motivation; lexical richness; syntactic complexity; English writing proficiency; English; Engelska;

    Sammanfattning : Teacher motivation has been shown to be a major factor that affects students’ motivation to learn a second language; however, English as a foreign language (EFL) teachers’ motivation has not been given enough attention, particularly in the Chinese context where English plays a key role. Thus, this study investigates the motivation of English teachers at the university level in China in order to prepare the ground for the development of recommendations on how to enhance teacher motivation and thereby improve teaching quality and student performance. LÄS MER

  4. 3. Theoretical Studies of Natural Gas Hydrates and H-bonded Clusters and Crystals

    Författare :Yuan Liu; Lars Ojamäe; Per-Olov Käll; Ben Slater; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : In this thesis H-bonded systems (natural gas hydrates, water clusters, and crystal ice) are studied by density functional theory (DFT) computations.Natural gas hydrates (NGHs) play an important role in energy and environmental fields: NGHs are considered as a promising backup energy resource in the near-future due to their tremendous carbon content; improper exploration of NGHs could induce geological disasters and aggravate the greenhouse effect. LÄS MER

  5. 4. Crossing the threshold : Visualization design and conceptual understanding of evolution

    Författare :Andreas C. Göransson; Lena Tibell; Konrad Schönborn; Anat Yarden; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Evolution; Natural selection; Visualization; Conceptual understanding; Conceptual change;

    Sammanfattning : The theory of evolution is considered the unifying theory of biology. An accurate understanding of evolution is vital both for the understanding of diverse topics in biology, but also for societal issues such as antibiotic resistance or biodiversity. LÄS MER

  7. 5. Deep levels in SiC

    Författare :Franziska C. Beyer; Erik Janzén; Carl Hemmingsson; Jörg Weber; Linköpings universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : Silicon carbide (SiC) has been discussed as a promising material for high power bipolar devices for almost twenty years. Advances in SiC crystal growth especially the development of chemical vapor deposition (CVD) have enabled the fabrication of high quality material. LÄS MER