Sökning: "ray"

Visar resultat 6 - 10 av 1270 uppsatser innehållade ordet ray.

1. 6. Exploring the effects of pressure on the magnetic properties of quasi-low dimensional quantum magnets via thermodynamic measurements

   Master-uppsats, Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

   Författare :Emelie Zhu; [2024]
   Nyckelord :Physics and Astronomy; Technology and Engineering;

   Sammanfattning : Four model solid state compounds were used to experimentally investigate the effects of pressure on the interactions in one- and two-dimensional Heisenberg magnetic models. BaCuSi2O6, BaCu2V2O8, SrCuO2 and CuGeO3 were successfully synthesized via solid-state reactions and characterized via x-ray diffraction. LÄS MER

3. 7. Designing User Interfaces for Increased Depth Perception in Remote Crane Operation

   M1-uppsats, Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Författare :Johan Harju; [2024]
   Nyckelord :Depth perception; teleoperations; view perspective; graphical user interface; remote operation;

   Sammanfattning : This study investigates different design choices for graphical user interfaces meant to improve depth perception in remote crane operation through measuring efficiency and user experience. To achieve this, three different graphical user interface designs were created and implemented into a cargo port simulator within the game engine Unity. LÄS MER

4. 8. Structural analysis of HZO thin film and electrode using X-ray diffraction

   Kandidat-uppsats, Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

   Författare :Elliot Winsnes; [2024]
   Nyckelord :HZO; hafnia; hafnium dioxide; zirconium dioxide; ferroelectricity; ferroelectric; synchrotron radiation; X-ray diffraction; Physics and Astronomy;

   Sammanfattning : Since its discovery in 2011, the ferroelectricity of thin films based on HfO2 has been studied intensively. In particular, thin films with a 1:1 ratio of HfO2 and ZrO2 (HZO) has been of great interest. The ferroelectricity arises from a non-centrosymmetric orthorhombic (o) phase of HZO whose prevalence is dependent on the processing conditions. LÄS MER

5. 9. Prospects for a Free Electron Laser at the FemtoMAX Beamline

   Kandidat-uppsats, Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

   Författare :Johan Holmberg; [2024]
   Nyckelord :Free Electron Lasers; FEL; synchrotron radiation; MAX IV; FemtoMAX; GENESIS 1.3; XFEL; X-rays; soft X-rays; Physics and Astronomy;

   Sammanfattning : A Free Electron Laser (FEL), is a device that generates extremely coherent and brilliant radiation using electrons accelerated to relativistic velocities in a particle accelerator. The process utilises similar equipment to what is used at a synchrotron source like MAX IV, but in addition there is an interaction between the relativistic electron beam and the generated radiation to achieve an exponential growth in radiation intensity. LÄS MER

7. 10. Hur relevant är gonadskydd på män vid joniserande undersökningar? : En litteraturöversikt

   Uppsats för yrkesexamina på grundnivå, Luleå tekniska universitet/Institutionen för hälsa, lärande och teknik

   Författare :Axel Isaksson; Marthe Mirindi; [2024]
   Nyckelord :Gonad shielding; Computer tomography; Plain X-ray; Radiation protection; Gonadskydd; Datortomografi; Slätröntgen; Strålskydd;

   Sammanfattning : Introduktion: Dagens strålskyddsprinciper om gonadskydd är i grunden baserade på ALARA principen utöver de olika lagar och författningar som implementeras med tidens gång. Att uppnå diagnostisk kvalitet på bilden utan att ta bort vital information är därför av intresse för röntgensjuksköterskan. LÄS MER