Sökning: "standard test method"

Visar resultat 21 - 25 av 293 avhandlingar innehållade orden standard test method.

  1. 21. The Rarebit fovea test : a new measure of visual function

    Författare :Maria Nilsson; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Rarebit Fovea Test; Rarebit Perimetry; foveal function; fixation; diabetes; cataract; binocular summation;

    Sammanfattning : Visual acuity (VA) measurement by the use of letter charts is the most frequently used method for testing foveal function. However, since a decimal visual acuity of 1. LÄS MER

  3. 22. A new finite element method for elliptic interface problems

    Författare :Alexei Loubenets; Björn Engquist; Gustav Amberg; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Numerical analysis; Numerisk analys;

    Sammanfattning : A finite element based numerical method for the two-dimensional elliptic interface problems is presented. Due to presence of these interfaces the problem will contain discontinuities in the coefficients and singularities in the right hand side that are represented by delta functionals along the interface. LÄS MER

  4. 23. Rock stress measurements using the LUT-gauge overcorning method

    Författare :Bengt Leijon; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mining and Rock Engineering; Gruv- och Berganläggningsteknik;

    Sammanfattning : With overcoring techniques, rock stresses are determined indirectly from measurements of the dimensional changes of a borehole, occurring when the rock volume surrounding the hole is isolated from the stresses in the host rock. This thesis describes the development and application of an overcoring technique. LÄS MER

  5. 24. Extension of the Pressure Time Method to 3-Dimensional Flows

    Författare :Mehrdad Kalantar Neyestanaki; Michel Cervantes; Pontus Jonsson; Georgiana Dunca; Thomas Staubli; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Strömningslära; Fluid Mechanics;

    Sammanfattning : Hydropower has stood as a clean and sustainable energy source since the late 19th century. Many turbines were built 50 to 70 years ago and require refurbishment. It is important to assess the efficiency of turbines before and after refurbishment to meet performance guarantees .However, the flow rate makes such estimation challenging. LÄS MER

  7. 25. Cervical cancer studies on prevention and treatment

    Författare :Lotten Darlin; Lund Obstetrik och gynekologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cervical cancer; human papilloma virus; HPV; screening; HPV test; self-sampling; sentinel node;

    Sammanfattning : Cervical cancer is the fourth most common reason for cancer death amongst women worldwide, with 500 000 new cases every year. Most of these women live in developing countries. Cervical screening programs can reduce the incidence by 50%, but are not common in the developing world. LÄS MER