When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Surface imperfections (optics) - Wikipedia

    en.wikipedia.org/wiki/Surface_imperfections_(optics)

    These imperfections are part of the surface and cannot be removed by cleaning. Surface quality is characterized either by the American military standard notation (eg "60-40") or by specifying RMS (root mean square) roughness (eg "0.3 nm RMS"). [1] American notation focuses on how visible surface defects are, and is a "cosmetic" specification.

  3. craigslist - Wikipedia

    en.wikipedia.org/wiki/Craigslist

    Craigslist headquarters in the Inner Sunset District of San Francisco prior to 2010. The site serves more than 20 billion [17] page views per month, putting it in 72nd place overall among websites worldwide and 11th place overall among websites in the United States (per Alexa.com on June 28, 2016), with more than 49.4 million unique monthly visitors in the United States alone (per Compete.com ...

  4. Scriber - Wikipedia

    en.wikipedia.org/wiki/Scriber

    A scriber is a hand tool used in metal work to mark lines on workpieces, prior to machining. The process of using a scriber is called scribing and is just part of the process of marking out . It is used instead of pencils or ink lines, because the latter are hard to see, easily erased, and imprecise due to their wide mark; scribe lines are thin ...

  5. Metal Improvement Company - Wikipedia

    en.wikipedia.org/wiki/Metal_Improvement_Company

    Metal Improvement Company LLC, part of Curtiss-Wright, is a company specializing in metal surface treatments.. MIC provides multiple technical services for the metal treatment industry, including thermal spray, solid film lubricant and parylene coatings, and materials testing services; but is best known for its legacy shot peening technology, which can enhance the performance of metal ...

  6. Scribing (cartography) - Wikipedia

    en.wikipedia.org/wiki/Scribing_(cartography)

    A stylus of required thickness is set in the trolley and the surface material is removed by applying light pressure as the trolley is moved over the image. Care must be taken to ensure the base material is not gouged or distorted. Either a round point or chisel point stylus may be used.

  7. List of Superfund sites in California - Wikipedia

    en.wikipedia.org/wiki/List_of_Superfund_sites_in...

    This is a list of Superfund sites in California designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up ...

  8. Wood scribe - Wikipedia

    en.wikipedia.org/wiki/Wood_scribe

    A wood scribe is a tool for marking wood by scratching the surface visibly. A wood scribe is often used with a try square for accurate scribing. A marking gauge is a more specific form of wood scribe used to accurately mark wood for cutting, often for laying out mortise and tenon joints.

  9. Terrace ledge kink model - Wikipedia

    en.wikipedia.org/wiki/Terrace_ledge_kink_model

    In chemistry, the terrace ledge kink (TLK) model, which is also referred to as the terrace step kink (TSK) model, describes the thermodynamics of crystal surface formation and transformation, as well as the energetics of surface defect formation. It is based upon the idea that the energy of an atom’s position on a crystal surface is ...