Sökning: "Calcium chloride"

Visar resultat 16 - 20 av 44 avhandlingar innehållade orden Calcium chloride.

  1. 16. Influence of solid solutions on the properties of some apatite-type calcium salts relevant to the production of phosphate and silicate cements

    Författare :Simon Jegou Saint-Jean; Centrum för analys och syntes; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Materiallära; materialteknik; Chemical technology and engineering; Kemiteknik och kemisk teknologi; Material technology; isothermal calorimetry.; Rietveld method; X-ray diffraction; silicon; strontium; Portland cement; calcium phosphate cement; chlorellestadite; Solid solutions; apatite;

    Sammanfattning : The effects of non-stoichiometry and isomorphic substitutions on the properties of some apatite-type compounds were investigated. These investigations were performed both in the fields of Portland cement chemistry and apatitic calcium phosphate-based biocements. LÄS MER

  3. 17. Cobalt in the hard metal production industry : exposure via inhalation and skin and the inflammatory response in human keratinocytes

    Författare :Maria Klasson; Eva Särndahl; Håkan Westberg; Magnus Lindberg; Alexander Persson; Kristina Jakobsson; Örebro universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cobalt; cobalt chloride; skin; HaCaT; in vitro; cell viability; pro-inflammatory cytokines; NLRP3 inflammasome;

    Sammanfattning : Cobalt is a strong sensitizer and can cause contact allergy upon both direct contact or from airborne exposure on the skin. In the skin, keratinocytes are the first cells to come in contact with the metal and will react and respond to the danger by triggering an alarm system resulting in an inflammatory response in the skin. LÄS MER

  4. 18. Mechanisms of insulin exocytosis and release

    Författare :Sebastian Barg; Islet cell physiology; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; ClC-3; electrophyiology; confocal microscopy; calcium channel; readily releasable pool; exocytosis; insulin; diabetes; green fluorescent protein; Physiology; Fysiologi;

    Sammanfattning : Endocrine cells as well as neurons release their hormones and transmitters by regulated exocytosis. In the pancreatic B-cell, stimuli like glucose initiate biochemical and electrical processes that culminate in influx of Ca2+, which then triggers exocytosis of insulin-containing granules. LÄS MER

  5. 19. Time dependency in the protection from myocardial injury after myocardial ischemia and reperfusion : new insights from experimental studies with the ultrashort-acting calcium antagonist clevidipine

    Författare :Daisuke Segawa; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Myocardial ischemia; reperfusion; calcium antagonist; clevidipine; preconditioning; experimental studies; rat; pig.;

    Sammanfattning : Interruption of the coronary blood flow causes myocardial ischemia and, after a critical time period, myocardial cell death. Accordingly, early reinstitution of arterial blood flow is necessary to minimize the damage. LÄS MER

  7. 20. Study and Modeling of the Reduction of Sulfur Dioxide, Nitrogen Oxides and Hydrogen Chloride by Dry Injection Technologies

    Författare :Wuyin Wang; Avdelningen för kemiteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; reaction kinetics; pore particle size; HCl; NOx; desulfurization; Ca-based sorbent; flue gas; Chemical technology and engineering; Kemiteknik och kemisk teknologi;

    Sammanfattning : The potential and mechanism to reduce acid gases, such as SO2, NOx and HCl by dry Ca-based sorbents have been studied to improve the efficiencies of the process and sorbent utilization. Several natural limestones were tested for SO2 removal. Calcium conversion as high as 45% was achieved within 0.3 s at 1000°C, 1000 ppm SO2 and Ca/S=1. LÄS MER