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  2. Kibble balance - Wikipedia

    en.wikipedia.org/wiki/Kibble_balance

    For instance, in the basement of the NIST's Gaithersburg facility in 2009, when measuring the gravity acting upon Pt‑10Ir test masses (which are denser, smaller, and have a slightly lower center of gravity inside the Kibble balance than stainless steel masses), the measured value was typically within 8 ppb of 9.801 016 44 m/s 2.

  3. Certified reference materials - Wikipedia

    en.wikipedia.org/wiki/Certified_reference_materials

    Secondary reference standards: Reference standards calibrated against and traceable to primary WHO materials and intended for use in routine tests; Reference reagent: a WHO reference standard, the activity of which is defined by WHO in terms of a unit; For chemical substances some pharmacopoeias [10] use the WHO terms [11]

  4. National Institute of Standards and Technology - Wikipedia

    en.wikipedia.org/wiki/National_Institute_of...

    NIST had an operating budget for fiscal year 2007 (October 1, 2006 – September 30, 2007) of about $843.3 million. NIST's 2009 budget was $992 million, and it also received $610 million as part of the American Recovery and Reinvestment Act. [18] NIST employs about 2,900 scientists, engineers, technicians, and support and administrative personnel.

  5. National Conference on Weights and Measures - Wikipedia

    en.wikipedia.org/wiki/National_Conference_on...

    NCWM's various model standards are published annually by the National Institute of Standards and Technology (NIST) in three handbooks: Handbook 44: Specifications and Tolerances and Other Technical Requirements for Weighing and Measuring Devices, Handbook 130: Uniform Laws and Regulations, and Handbook 133: Checking the Net Contents of Packaged ...

  6. Traceability - Wikipedia

    en.wikipedia.org/wiki/Traceability

    Within a product's supply chain, traceability may be both a regulatory and an ethical or environmental issue. [3] Traceability is increasingly becoming a core criterion for sustainability efforts related to supply chains wherein knowing the producer, workers and other links stands as a necessary factor that underlies credible claims of social, economic, or environmental impacts. [4]

  7. The skit, which has racked up nearly 1.5 million views on YouTube already, has been praised as one of SNL’s best at a time when ratings for the show have been in steady decline. “This skit is ...

  8. Check weigher - Wikipedia

    en.wikipedia.org/wiki/Check_weigher

    A weigh belt. This is typically mounted on a weight transducer which can typically be a strain-gauge load cell or a servo-balance (also known as a force-balance), or sometimes known as a split-beam. Some older machines may pause the weigh bed belt before taking the weight measurement. This may limit line speed and throughput.

  9. Cooking weights and measures - Wikipedia

    en.wikipedia.org/wiki/Cooking_weights_and_measures

    The Weight of Water from Fourmilab Switzerland; Canadian Weights and Measures Act ( R.S., 1985, c. W-6 ) Australian National Measurement Regulations 1999; UK Weights and Measures Act 1985; U.S. NIST Guide to SI Units metric conversions → see Appendix B.9; U.S. NIST Household Weights and Measures Chart Abbreviated or rounded figures.

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