يعرض 19,661 - 19,661 نتائج من 19,661 نتيجة بحث عن '(( significantly increased decrease ) OR ( significance ((b decrease) OR (a decrease)) ))', وقت الاستعلام: 0.42s تنقيح النتائج
  1. 19661

    Enhancement of mechanical and thermal properties of porous alkaline cements using silica and alumina nanoparticles حسب Nuno Cristelo (20594563)

    منشور في 2025
    "…Al nanoparticles did not enhance mechanical performance, but led to density reduction, resulting in decreased strength. Thermal conductivity showed no significant variations due to nanoparticles, with all formulations classified as T2 thermal mortars. …"