Sökning: "Diameter pulse waves"

Hittade 3 avhandlingar innehållade orden Diameter pulse waves.

  1. 1. Laser-Driven Plasma Waves for Particle Acceleration and X-ray Production

    Författare :Guillaume Genoud; Atomfysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Laser plasma acceleration of electrons and protons; laser-wakefield acceleration; plasma waves; plasma-wiggler radiation; betatron radiation; laser guiding; laser pointing stabilisation;

    Sammanfattning : This thesis presents experimental results related to laser plasma accelerators. These rely on very different principles from conventional particle accelerators. LÄS MER

  3. 2. Modelling crack-induced ultrasonic scattering in a thick-walled pipe

    Författare :Jacob Rubenson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Cylindrical pipes; Non-Destructive Testing; Crack; Ultrasonic waves; Hypersingular integral method;

    Sammanfattning : Ultrasonic testing is used in several industries where there are high demands on safety, e.g. nuclear power and aerospace industries. In the nuclear industry and elsewhere there are many pipes that need to be tested. LÄS MER

  4. 3. Non-invasive assessment of dynamic properties in human arteries : with special reference to gestation and diabetes

    Författare :Jie Hu; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Acetylcholine; Adolescents; Aorta; Diameter waveforms; Diameter pulse waves; Echo tracking system; Fetal behavioural state; Fetal breathing movements; Gestational diabetes mellitus; Impending birth; Insulin-dependent diabetes mellitus; Laser Doppler; Microcirculation; Pregnancy; Pulse wave velocity; Vascular endothelium; Vascular stiffness; Ultrasound;

    Sammanfattning : Background: The important role played by the intrinsic properties of central arteries in cardiovascular physiology and pathology has been increasingly recognised. Several circulatory disorders are associated with increased arterial stiffness. LÄS MER