Primary Standards Information
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Primary standard
A primary standard in metrology is a standard that is accurate enough that it is not calibrated by or subordinate to other standards....
3 KB (371 words) - 02:39, 25 March 2012
Atomic clock
are Symmetricom (formerly Sigma-Tau) MHM-2010 hydrogen maser standards....
and are used as primary standard s for international time...
33 KB (4,562 words) - 11:22, 30 May 2012
Technical standard
(redirect from Technical standards)
A primary standard is usually under the jurisdiction of a national...
Standards can also be developed by groups such as trade unions, and...
7 KB (859 words) - 15:24, 4 May 2012
Primary time standard
In telecommunication s, a primary time standard is a time standard that does not...
frequency standards) are caesium standard s and...
1 KB (139 words) - 13:00, 10 February 2011
Potassium hydrogen phthalate
and it is often used as a primary standard for acid-base titration...
testing their instruments with two standards: one typically easy for the...
4 KB (569 words) - 11:36, 20 April 2012
Photometric-standard star
Photometric-standard stars are a series of star s that have had their light output in various passbands of photometric system , measured...
991 B (121 words) - 21:30, 27 August 2011
Caesium standard
A caesium standard or caesium atomic clock is a primary frequency standard in which...
produced time and frequency standards, and serve as the...
2 KB (260 words) - 22:12, 23 May 2012
Calabrian dialects
The primary languages of the Calabria region are Standard Italian and many regional varieties of the Italo-Dalmatian group collectively...
16 KB (1,939 words) - 02:54, 10 May 2012
Standard 52-card deck
The primary deck of fifty-two playing card s in use today, usually known as the...
the standard Bicycle Poker deck depicts all Queens with a...
9 KB (1,536 words) - 02:50, 10 May 2012
List of potential habitable exoplanets
(redirect from Standard Primary Habitability)
Standard Primary Habitability (SPH): The SPH measures the thermal-water climate suitability of a planet for land primary producers...
13 KB (1,569 words) - 00:18, 16 May 2012
Standard (metrology)
(section Examples of primary reference standards)
of measurement of a physical quantity Standards are the fundamental reference for a...
Primary standards that define units may be...
5 KB (603 words) - 21:58, 10 May 2012
Coordinated Universal Time
(section Definition and relationship to other standards)
Coordinated Universal Time (UTC) is the primary time standard by which the world...
Definition and relationship to other standards...
40 KB (5,798 words) - 18:02, 14 May 2012
National Ambient Air Quality Standards
(section Standards)
The National Ambient Air Quality Standards (NAAQS) are standards established by the...
Primary standards are designed to protect human health...
4 KB (643 words) - 08:08, 8 May 2012
Metrology
(redirect from Measurement standards laboratory)
In addition to standards created by national and international...
scaling into multiples and submultiples, by establishment of primary standards....
34 KB (4,667 words) - 15:43, 19 May 2012
Certified reference materials
Certified Reference Materials (CRMs) are ‘controls’ or standards used to check the...
A primary standard is usually under jurisdiction of a...
5 KB (640 words) - 15:21, 20 May 2012
Hydrochloric acid
as a primary standard in quantitative analysis , although its exact concentration depends on the atmospheric pressure when it is prepared...
31 KB (3,837 words) - 16:03, 29 May 2012
Shortt-Synchronome clock
after which mechanical clocks were superseded by quartz time standards. and as a primary standard for national time dissemination services ....
15 KB (2,128 words) - 15:25, 29 May 2012
European Reference Materials
requirements, ensuring traceability of measurements results, and are the end-point of the traceability chain, thus being primary standards in chemistry....
1 KB (140 words) - 15:42, 20 September 2011
Deadweight tester
Deadweight testers are so called primary standard s which means that...
calibrate pressure transfer standards like electronic pressure measuring devices....
9 KB (685 words) - 21:02, 25 February 2012
Measurement microphone calibration
All microphone calibration is ultimately traceable to primary standard s at a National Measurement Institute such as the National Physical...
10 KB (1,485 words) - 15:18, 21 May 2012
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