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2. Anti-slip grating - Wikipedia

   en.wikipedia.org/wiki/Anti-slip_grating

   Example anti-slip grating used for bridge decking. Anti-slip steel grating (also known as slip-resistant grating) is a type of bar grating designed to prevent slippage. Steel bar grating is manufactured in a variety of methods. Welded bar grating consists of load bars electrically fuse welded to cross bars.

3. Grating - Wikipedia

   en.wikipedia.org/wiki/Grating

   The grating profile is the function of the reflectance or transmittance perpendicular to the lines. This function is generally a square wave, in that every transition between lines is abrupt. A grating can be defined by six parameters: Spatial frequency is the number of cycles occupying a particular distance (e.g. 10 line pairs per millimeter ...

4. Diffraction grating - Wikipedia

   en.wikipedia.org/wiki/Diffraction_grating

   A blazed diffraction grating reflecting only the green portion of the spectrum from a room's fluorescent lighting. For a diffraction grating, the relationship between the grating spacing (i.e., the distance between adjacent grating grooves or slits), the angle of the wave (light) incidence to the grating, and the diffracted wave from the grating is known as the grating equation.

5. Fiberglass reinforced plastic grating - Wikipedia

   en.wikipedia.org/wiki/Fiberglass_reinforced...

   Pultruded FRP grating consists of continuous glass strands encased in resin and wrapped in a surfacing veil which protects the fibers and allows resin to saturate the outermost part of the bar as well as penetrate between the glass fibers. This ensures a smooth and corrosion-resistant surface, with a higher glass/resin ratio than molded products.

6. Simple cell - Wikipedia

   en.wikipedia.org/wiki/Simple_cell

   The latter are not linear operators because a bar cell does not respond when seeing a bar which is part of a periodic grating, and a grating cell does not respond when seeing an isolated bar. Using the mathematical Gabor model with sine and cosine components (phases), complex cells are then modeled by computing the modulus of complex Gabor ...

7. AOL Mail - AOL Help

   help.aol.com/products/aol-webmail

   Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.