When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Quality control system for paper, board and tissue machines

    en.wikipedia.org/wiki/Quality_control_system_for...

    A quality control system (QCS) refers to a system used to measure and control the quality of moving sheet processes on-line as in the paper produced by a paper machine. Generally, a control system is concerned with measurement and control of one or multiple properties in time in a single dimension.

  3. Quality control - Wikipedia

    en.wikipedia.org/wiki/Quality_control

    Quality control (QC) is a process by which entities review the quality of all factors involved in production. ISO 9000 defines quality control as "a part of quality management focused on fulfilling quality requirements". [1] This approach places emphasis on three aspects (enshrined in standards such as ISO 9001): [2] [3]

  4. Total quality management - Wikipedia

    en.wikipedia.org/wiki/Total_quality_management

    Total quality management (TQM) is an organization-wide effort to "install and make a permanent climate where employees continuously improve their ability to provide on-demand products and services that customers will find of particular value."

  5. Absolute Category Rating - Wikipedia

    en.wikipedia.org/wiki/Absolute_Category_Rating

    Absolute Category Rating (ACR) is a test method used in quality tests. [1] [2] The levels of the scale are, sorted by quality in decreasing order: Excellent; Good; Fair; Poor; Bad; In this method, a single test condition (generally an image or a video sequence) is presented to the viewers once only. They should then give a quality rating on an ...

  6. UL 94 - Wikipedia

    en.wikipedia.org/wiki/UL_94

    Tests are generally conducted on a 5 × 1 ⁄ 2 in (127 × 12.7 mm) specimen of the minimum approved thickness. For 5VA and 5VB ratings, tests are performed on both bar and plaque specimens, and the flame ignition source is approximately five times as severe as that used for testing the other materials.

  7. Quantum error correction - Wikipedia

    en.wikipedia.org/wiki/Quantum_error_correction

    In general, a quantum code for a quantum channel is a subspace , where is the state Hilbert space, such that there exists another quantum channel with () = =, where is the orthogonal projection onto .

  8. Customer review - Wikipedia

    en.wikipedia.org/wiki/Customer_review

    Indeed, gathering fake reviews has become big business. [2] In 2012, for example, fake book reviews have been revealed as significantly affecting ratings on Amazon. [3] [4] In 2016 Amazon banned the practice of reviewing complimentary products, researchers have shown that the process still continued as of 2021, but without any disclosures. [5]

  9. NEMA contact ratings - Wikipedia

    en.wikipedia.org/wiki/NEMA_contact_ratings

    NEMA contact ratings are how much current at a rated voltage a relay or other pilot device can switch. The current rating of smaller NEMA contactors or their auxiliaries are defined by NEMA ICS 5: Industrial Control and Systems, Control Circuit and Pilot Devices [1] standard. The nomenclature is a letter followed by a three-digit number, the ...