Sökning: "after treatment devices"

Visar resultat 1 - 5 av 100 avhandlingar innehållade orden after treatment devices.

  1. 1. Stability of aligned maxillary anterior teeth after orthodontic treatment : amount of changes with different retention methods and without retention

    Författare :Sasan Naraghi; Vaska Vandevska-Radunovich; Malmö universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Sammanfattning : Well-aligned anterior teeth are the major reason for the patients seeking orthodontic treatment, and keeping teeth aligned and stable afterwards is a goal for the orthodontist and the patient. Relapse after treatment is a common problem, and it is defined as when teeth go back to their previous positions. LÄS MER

  3. 2. Investigation and Optimization of the Acoustic Performance of Exhaust Systems

    Författare :Sara Elsaadany; Mats Åbom; Ray Kirby; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Exhaust systems; noise; pressure drop; 1D models; perforated mufflers; after treatment devices; optimization;

    Sammanfattning : There is a strong competition among automotive manufacturers to reduce the radiated noise levels. One important source is the engine exhaust where the main noise control strategy is by using efficient mufflers. LÄS MER

  4. 3. Global Assessment of Attention Deficit Hyperactivity Disorder : Examining Objective Measures of Hyperactivity, Impulsivity and Inattention in Adults

    Författare :Hanna Edebol; Torsten Norlander; Lars Helldin; Leif Lindström; Philip Asherson; Karlstads universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Attention Deficit Hyperactivity Disorder; Objective measures; Adults; Psychometrics; Diagnosis; Treatment; Psykologi; Psychology; Psychology;

    Sammanfattning : The aim of this thesis is to examine objective laboratory measures of Attention Deficit Hyperactivity Disorder (ADHD) in adult persons and to develop measures for diagnosis and treatment using a psychometric instrument called the Quantified Behavior Test Plus. The instrument objectively quantifies cardinal symptom manifestations in adult ADHD using motion tracking devices and continuous performance testing. LÄS MER

  5. 4. Particle Characterization in the Exhaust Devices of Direct Injection Engines

    Författare :Arun Prasath Karuppasamy; Anders Christiansen Erlandsson; Hanna Bernemyr; Alexander Bergmann; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Particle number; Particle size distribution; turbocharger; SCR; Exhaust after-treatment system; Particle dilution and conditioning; Partikelantal; storleksfördelning av partiklar; turboladdare; SCR; efterbehandlingssystem; avgasbehandlingssystem; partikelspädning och partikelanpassad mätmetod; Machine Design; Maskinkonstruktion;

    Sammanfattning : Minimizing pollutants are of utmost importance to ensure sustainability in transportation. Particle emissions from internal combustion engines are especially harmful to human health, while also contributing to global warming. LÄS MER

  7. 5. Studies of tibial fractures using the Swedish Fracture Register

    Författare :David Wennergren; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Fracture register; Tibial Fracture; Classification; Reliability; Agreement; Accuracy; Epidemiology; Incidence; Treatment; Reoperation;

    Sammanfattning : This thesis has two topics. First, the creation and application of the Swedish Fracture Register (SFR) is described. Second, a series of studies of tibial fractures based on data from the SFR follows. LÄS MER