Sökning: "Counting sources"

Visar resultat 1 - 5 av 22 uppsatser innehållade orden Counting sources.

  1. 1. Nedslagskratrars inverkan på Mars yt-datering. En undersökning av Mars främsta yt-dateringsmetod: ”Crater Counting”

    Kandidat-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Jacob Andersson; [2023]
    Nyckelord :CRA; Erosion rate; Secondary cratering; Primary cratering; Mars; Crater counting; crater obliteration; SFD; Earth and Environmental Sciences;

    Sammanfattning : Many aspects of Mars’s geological history remain enigmatic, in order to increase our knowledge of Mars’s geological history, methods for surface dating are very important. Next to the use of surface morphology superpositions, the most common surface dating method is referred to as crater counting. LÄS MER

  3. 2. Towards low carbon buildings: A case study in Sweden

    Master-uppsats, Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

    Författare :Huynh Tuan Tran; Victor-Antoine Delorme; [2023]
    Nyckelord :Life cycle assessment; Environmental impact of building materials; Carbon neutrality; Biobased material; Biochar; Cross Laminated Timber; Biogenic carbon; Earth and Environmental Sciences; Technology and Engineering;

    Sammanfattning : This study comprehensively evaluated the global warming potential of an office building in a newly built Scandinavian neighbourhood seeking to reach sustainability. The primary objective of the research was to support the city authorities of Helsingborg by providing valuable insights into actual carbon emissions at the building level and proposing measures to minimize these emissions to achieve climate neutrality by 2030. LÄS MER

  4. 3. The Quest for Accurate Inventory Records - A case study of the scrap management process at a Swedish manufacturing company in the automotive industry

    Master-uppsats, Göteborgs universitet/Graduate School

    Författare :Jonas Pälvärinne; Jonathan Johansson; [2020-06-17]
    Nyckelord :Inventory record inaccuracy; inventory management; operational trade-off; manufacturing strategy; mixed methodology;

    Sammanfattning : Inventory record inaccuracy (IRI) occurs when the inventory system records and the physical inventory level do not align which can result in reduced operational efficiency and increased operational cost. Every situation where inventory is transferred physically or in inventory records can be potential sources of IRI. LÄS MER

  5. 4. Investigating UV nightglow within the framework of the JEM-EUSO Experiments

    Master-uppsats, Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Författare :Frej-Eric Emmoth; [2020]
    Nyckelord :JEM-EUSO; Airglow; Atmospheric Gravity Waves; EUSO-TA; Mini-EUSO;

    Sammanfattning : The main mission of the JEM-EUSO (Extreme Universe Space Observatory) Collaborationis to observe Cosmic Rays. These high energy particles come from a variety of sources and bombard the Earth all the time. LÄS MER

  7. 5. Designing a fast and robust device for measuring and providing graphical visualization of the number of 60Co sources in a Leksell Gamma Knife®

    Master-uppsats, KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Författare :Simon Andersson; [2020]
    Nyckelord :Cobalt 60; LGK; Leksell Gamma Knife; Counting sources; Elekta Instrument AB;

    Sammanfattning : The Leksell Gamma Knife® (LGK) is a device for performing radiosurgery. The LGK contains approximately 200 radioactive sources whose beams intersect in a focal point in order to treat brain tumours. Quality assurance tools are used at Elekta to indirectly assess the number of sources in an LGK from the total amount of radiation. LÄS MER