Sökning: "Syre"

Visar resultat 26 - 30 av 255 avhandlingar innehållade ordet Syre.

  1. 26. Functionalized Porous Carbon Fiber Electrodes for Applications in Electrochemical Flow Cells

    Författare :Arman Molaei; Xavier Crispin; Magda Titirici; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Carbon-based devices; Supercapacitor; Deoxygenation electrolyser; BBL polymer;

    Sammanfattning : Corrosion of metals in close-loop cooling or heating systems originates from tiny leakages at joints releasing oxygen into the thermal fluids. The presence of dissolved oxygen (DO) in thermal fluids, such as water with various additives forms a rust coating and some rust particles are released in the fluids and accumulate in an undesired place. LÄS MER

  3. 27. Acidaemia at Birth: Risk factors, diagnosis and prognosis, with special reference to maternal fever in labour

    Författare :Andreas Herbst; Lund Obstetrik och gynekologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; andrology; gynaecology; Obstetrics; outcome; risk factors; perinatal asphyxia; acidosis; Acidaemia; reproduction; sexuality; Obstetrik; gynekologi; andrologi; reproduktion; sexualitet;

    Sammanfattning : Acidaemia at birth is a result of an impaired intrauterine gas exchange. Between 1988 and 1996, acid-base balance in cord artery blood pH was assessed in 23 016 of 27 064 newborns (85%). Obstetric risk factors for acidaemia (cord artery pH < 7.05) were identified in a case-control study. LÄS MER

  4. 28. Controlled growth of metastable Ta3N5 semiconducting films

    Författare :Jui-Che Chang; Ching-Lien Hsiao; Jens Birch; Grzegorz Greczynski; Martin Rudolph; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : The semiconductor tritantalum pentanitride (Ta3N5) is a promising material for green energy applications, specifically in the photoelectrolysis of water to produce oxygen and hydrogen. With a bandgap of approximately 2 eV, Ta3N5 is well-suited for efficient solar light absorption across a broad spectrum, and its band positions align favorably with the redox potential of water. LÄS MER

  5. 29. Regulation of spontaneous tone in guinea pig trachea

    Författare :Staffan Skogvall; Neurofysiologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; tetrodotoxin; lidocaine; substance P; tachykinin; prostaglandin; indomethacin; capsaicin; neuroepithelial endocrine cells; epithelium; oxygen; oscillations; spontaneous tone; Asthma; airway smooth muscle; electrical field stimulation.; Physiology; Fysiologi;

    Sammanfattning : Asthma is a common disease, characterized by periods of bronchoconstriction of unclear origin. This thesis examines a specific behavior of airway smooth muscle, the so-called spontaneous airway tone. It was suspected that a defect regulation of this tone may be a cause of asthmatic bronchoconstriction. LÄS MER

  7. 30. Spectroscopic techniques for photodynamic therapy dosimetry

    Författare :Ann Johansson; Atomfysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Atomic and molecular physics; diffuse light spectroscopy; photodynamic therapy; biomedical optics; Atom- och molekylärfysik;

    Sammanfattning : Photodynamic therapy (PDT) as a cancer treatment modality relies on the simultaneous presence of three components; light, photosensitiser and oxygen. Once excited by the light, the photosensitiser can interact with oxygen, leading to the formation of toxic oxygen species. LÄS MER