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Showing result 16 - 20 of 934 essays matching the above criteria.

  1. 16. Investigation of Antenna Radomes in Low Earth Orbits

    University essay from Lunds universitet/Centrum för analys och syntes

    Author : Mathias Manohar Gren; [2023]
    Keywords : Materials; Science; Space; Satellites; Antenna Radomes; Beyond Gravity; Coatings; Physics; Chemistry; Low Earth Orbits; Engineering; Lunds University; Materials Chemistry; Technology and Engineering;

    Abstract : Introduction: This master’s thesis focuses on exploring improved alternative material solutions for antenna radomes used to protect Beyond Gravity Sweden’s satellite antennas in low Earth orbits. Background: As the environment in low Earth orbit is harsh, surface materials on satellites experience high levels of atomic oxygen, ultra violet radiation, thermal-fluctuation, charged particles and micro meteoroids. READ MORE

  3. 17. Comparison of muscle oxygen kinetics between occluded and non-occluded dynamic low-intensity exercise performed till failure : A quantitative study

    University essay from Umeå universitet/Avdelningen för fysioterapi

    Author : Natalie Smith; Josefine Johansson; [2023]
    Keywords : venous occlusion; muscle oxygenation kinetics; blood flow restricted exercise; ischemia; exercise failure; low-intensity strength training; Near-infrared spectroscopy;

    Abstract : Aim: To examine local muscle oxygen kinetics when performing wrist extensions till failure in an occluded versus non-occluded state, to compare the perceived ratings of pain and local muscle exertion, and analysing presence of gender differences. Methods: Twenty-one healthy individuals (mean age 25,6±3. READ MORE

  4. 18. Permanent Fire Load of the Building Envelope

    University essay from Lunds universitet/Avdelningen för Brandteknik

    Author : Gizelle Danine Pondevida Jamero; [2023]
    Keywords : Permanent fire load; temporary fire load; fire load; building envelope; insulation; building content; upholstered furniture; heat of combustion; MCC; bomb calorimeter; cone calorimeter; room corner test.; Technology and Engineering;

    Abstract : Fire load, the total thermal energy released by the combustion of a material, is an essential part of determining a building’s fire performance and the associated fire protection strategies. Elements in a structure are typically categorized into two types of fire loads: permanent and temporary. READ MORE

  5. 19. Wildfire growth modelling in Sweden - a suitability assessment of available data

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Henrik Hagelin; [2023]
    Keywords : Geography; GIS; Geographic Information Science; Physical geography; Prometheus; WiSE-FASS; The 2014 Västmanland wildfire; Wildfire growth modelling; Wildfire suppression support; Wildfire behaviour; MESAN; Earth and Environmental Sciences;

    Abstract : Wildfires are worldwide problems that stress societies by damaging their economies and they cause serious, sometimes fatal, health implications among the populations. In recent years, the rate of wildfire occurrence has increased as the global average temperature has risen. Because of global climate change, this rate is expected to continue rising. READ MORE

  6. 20. Traumatic brain injury and its impact on working memory : A systematic review

    University essay from Högskolan i Skövde/Institutionen för biovetenskap

    Author : Li Hallgren; Naema Adani Mohammed; [2023]
    Keywords : Traumatic brain injury; working memory; prefrontal cortex; functional magnetic resonance imaging; transcranial direct current stimulation;

    Abstract : The purpose of this systematic review is to provide insight into the impact traumatic brain injury (TBI) has on the executive function known as the working memory. TBI is a damage to the brain that occurs when the brain is critically injured to the degree that it impacts several brain regions and functions such as the hippocampus, its surrounding areas, the prefrontal cortex, and the performance of the working memory ability. READ MORE