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  2. Los Angeles abrasion test - Wikipedia

    en.wikipedia.org/wiki/Los_Angeles_abrasion_test

    ASTM (2003). C 131–03. Standard Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine. ASTM International. Lavin, P. (2003). Asphalt Pavements: A Practical Guide to Design, Production and Maintenance for Engineers and Architects. CRC Press. ISBN 978-0-203-45329-2.

  3. Efficiency (statistics) - Wikipedia

    en.wikipedia.org/wiki/Efficiency_(statistics)

    In statistics, efficiency is a measure of quality of an estimator, of an experimental design, [1] or of a hypothesis testing procedure. [2] Essentially, a more efficient estimator needs fewer input data or observations than a less efficient one to achieve the Cramér–Rao bound.

  4. File:EUR 1997-1611.pdf - Wikipedia

    en.wikipedia.org/wiki/File:EUR_1997-1611.pdf

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Help; Learn to edit; Community portal; Recent changes; Upload file

  5. File:EUR 1987-1611.pdf - Wikipedia

    en.wikipedia.org/wiki/File:EUR_1987-1611.pdf

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  6. Reverberation - Wikipedia

    en.wikipedia.org/wiki/Reverberation

    The RT 60 reverberation time measurement is defined in the ISO 3382-1 standard for performance spaces, the ISO 3382-2 standard for ordinary rooms, and the ISO 3382-3 for open-plan offices, as well as the ASTM E2235 standard.

  7. Signal-to-noise ratio - Wikipedia

    en.wikipedia.org/wiki/Signal-to-noise_ratio

    One definition of signal-to-noise ratio is the ratio of the power of a signal (meaningful input) to the power of background noise (meaningless or unwanted input): =, where P is average power.

  8. United Kingdom Accreditation Service - Wikipedia

    en.wikipedia.org/wiki/United_Kingdom...

    The United Kingdom Accreditation Service (UKAS) is the sole national accreditation body recognised by the British government [1] to assess the competence of organisations that provide certification, testing, inspection and calibration services.

  9. China Airlines Flight 611 - Wikipedia

    en.wikipedia.org/wiki/China_Airlines_Flight_611

    The aircraft involved, registered as B-18255, (originally registered as B-1866), MSN 21843, was the only Boeing 747-200 passenger aircraft left in China Airlines's fleet at the time.