Sökning: "flight conditions"

Visar resultat 21 - 25 av 109 avhandlingar innehållade orden flight conditions.

  1. 21. Characterisation of the Neutron Wall and of Neutron Interactions in Germanium-Detector Systems

    Författare :Joa Ljungvall; Johan Nyberg; Andres Gadea; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Nuclear physics; High-purity Ge detectors; Liquid scintillator detectors; Neutron scattering; Digital electronics; Time-of-flight technique; Pulse-shape simulation and analysis; Monte Carlo simulations; Geant4; Gamma-ray tracking; AGATA; Neutron Wall; Kärnfysik; Nuclear physics; Kärnfysik;

    Sammanfattning : A Monte Carlo simulation of the Neutron Wall detector system has been performed using Geant4, in order to define optimum conditions for the detection and identification of multiple neutrons. Emphasis was put on studying the scattering of neutrons between different detectors, which is the main source of the apparent increase of the number of detected neutrons. LÄS MER

  3. 22. Creating and Probing Extreme States of Materials : From Gases and Clusters to Biosamples and Solids

    Författare :Bianca Iwan; Nicusor Timneanu; Janos Hajdu; Stacey Sorensen; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; free-electron laser; ultrashort X-rays; non-equilibrium plasma; Coulomb explosion; isotope effect; hydrodynamic expansion; ion acceleration; high intensity lasers; ablation; time-of-flight spectroscopy; Fysik; Physics;

    Sammanfattning : Free-electron lasers provide high intensity pulses with femtosecond duration and are ideal tools in the investigation of ultrafast processes in materials. Illumination of any material with such pulses creates extreme conditions that drive the sample far from equilibrium and rapidly convert it into high temperature plasma. LÄS MER

  4. 23. Ensamkommande men inte ensamma : Tioårsuppföljning av ensamkommande asylsökande flyktingbarns livsvillkor och erfarenheter som unga vuxna i Sverige

    Författare :Marie Hessle; Birgitta Qvarsell; Katrin Goldstein-Kyaga; Kjerstin Almqvist; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; unaccompanied minors; separated children; asylum-seeking children; refugee children; follow-up; longitudinal studies; transnational; socialisation; Education; Pedagogik; pedagogik; Education;

    Sammanfattning : The primary aim of the study was to develop knowledge about how unaccompanied asylum-seeking children manage their life circumstances and challenges after being granted a residence permit and maturing into adulthood in Sweden. A second aim was to develop knowledge about the life circumstances of these children in their respective countries of origin, the motives behind their flight to Sweden, the means by which they came to Sweden. LÄS MER

  5. 24. Molecular and epidemiological studies on eyes with pseudoexfoliation syndrome

    Författare :Amelie Botling Taube; Jonas Bergquist; Albert Alm; Eva Larsson; Hannu Uusitalo; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Pseduoexfoliation syndrome; PEX; aqueous humor; cataract; cataract surgery; lens capsule; proteomics; mass spectrometry; MS; MALDI TOF MS MS; quantitative proteomics; iTRAQ; dimethyl labeling; imaging mass spectrometry; IMS; time of flight secondary ion mass spectrometry; TOF-SIMS; crystallin; epidemiology; risk factor; Ophtalmology; Oftalmiatrik;

    Sammanfattning : Pseudoexfoliation (PEX) syndrome is an age-related condition characterized by the production and accumulation of extracellular fibrillary material in the anterior segment of the eye. PEX predisposes for several pathological conditions, such as glaucoma and complications during and after cataract surgery. LÄS MER

  7. 25. Towards Anti-Virulence Antimicrobials, Discovery and Development of Sortase A Inhibitors and Investigations of Bacterial Phenotypes

    Författare :Patrick M. Wehrli; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Sortase A; SrtA; Inhibitors; Anti-virulence; Bacterial analysis; FTIR spectroscopy; Bacterial phenotyping; Design of Experiment; Multivariate Data Analysis; PCA; ToF-SIMS; Time-of-flight secondary-ion-mass-spectrometry; Lipid analysis; ppGpp; Stringent response;

    Sammanfattning : Antibiotic resistance is an emerging and serious threat to public health. Immediate actions are required to preserve current antibiotics while intensifying research efforts towards the development of new effective therapeutics. LÄS MER