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  2. Ellipsometry - Wikipedia

    en.wikipedia.org/wiki/Ellipsometry

    Methods of immersion or multiangular ellipsometry are applied to find the optical constants of the material with rough sample surface or presence of inhomogeneous media. New methodological approaches allow the use of reflection ellipsometry to measure physical and technical characteristics of gradient elements in case the surface layer of the ...

  3. Reflection lines - Wikipedia

    en.wikipedia.org/wiki/Reflection_lines

    For example, the shiny surface of an automobile body is illuminated with reflection lines by surrounding the car with parallel light sources. Virtually, a surface can be rendered with reflection lines by modulating the surfaces point-wise color according to a simple calculation involving the surface normal , viewing direction and a square wave ...

  4. Rotations and reflections in two dimensions - Wikipedia

    en.wikipedia.org/wiki/Rotations_and_reflections...

    First reflect a point P to its image P′ on the other side of line L 1. Then reflect P′ to its image P′′ on the other side of line L 2 . If lines L 1 and L 2 make an angle θ with one another, then points P and P′′ will make an angle 2 θ around point O , the intersection of L 1 and L 2 .

  5. Reflection (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Reflection_(mathematics)

    Point Q is the reflection of point P through the line AB. In a plane (or, respectively, 3-dimensional) geometry, to find the reflection of a point drop a perpendicular from the point to the line (plane) used for reflection, and extend it the same distance on the other side. To find the reflection of a figure, reflect each point in the figure.

  6. Neutron reflectometry - Wikipedia

    en.wikipedia.org/wiki/Neutron_reflectometry

    Neutron reflectometry is most often made in specular reflection mode, where the angle of the incident beam is equal to the angle of the reflected beam. The reflection is usually described in terms of a momentum transfer vector , denoted q z {\displaystyle q_{z}} , which describes the change in momentum of a neutron after reflecting from the ...

  7. Choosing a PEO: A Guide to Finding a Suitable Co-Employer - AOL

    www.aol.com/choosing-peo-guide-finding-suitable...

    Since your company is entering a co-employment relationship, it's vital to do due diligence and thoroughly research each aspect of prospective PEO organizations. Compare PEO service providers by ...

  8. Reflections of signals on conducting lines - Wikipedia

    en.wikipedia.org/wiki/Reflections_of_signals_on...

    There are several approaches to understanding reflections, but the relationship of reflections to the conservation laws is particularly enlightening. A simple example is a step voltage, () (where is the height of the step and () is the unit step function with time ), applied to one end of a lossless line, and consider what happens when the line is terminated in various ways.

  9. Women are being notified that they need to take action if ...

    www.aol.com/women-being-notified-action-dense...

    Nearly half of all women have "dense breasts"—yet countless don't find out until later in life. Dense breasts have more fibrous and glandular tissue relative to fat tissue in the breast.