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Topic: Reach (physical measurement)


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In the News (Wed 30 Dec 09)

  
 Ultrasonic Flow Measurement
Ultrasonic transit-time flow measurement is based on this simple physical fact.
Through non-intrusive measurement from the outside, the most aggressive and high pressure fluids can be measured without a problem.
With a flowing fluid, the ultrasonic waves require differing lengths of time (flow dependent) to reach the correspondong sensor.
www.keison.co.uk /endress/endress1.htm   (292 words)

  
 measure.doc
Measurement, Meaning and Morality The utility of additive measures for commerce, carpentry and cooking are familiar to us all, but the implications of honestly additive measures reach far beyond mere convenience.
Measurement developed from the needs of practical persons and the impositions of their masters, who were the kings and rulers of ancient times.
Norman Campbell, the most influential co-author of the Final Report, believed that to measure, one must be able to perform a physical operation, a concatenation, such as placing rods end to end to measure length or piling bricks one on top of another to measure weight (Campbell, 1919).
www.winsteps.com /aftp/measure.doc   (2700 words)

  
 National Measurement Institute - The Metre Convention and the international measurement system
The Convention established the structure and processes through which we obtain world-wide uniformity in measurement, firstly through the use of a harmonised set of units of measurement, the International System of Units (SI), and secondly through recognised means of establishing physical standards that realise these units.
In 1875, an international treaty, the Metre Convention, was signed by 17 nations that recognised the need for measurements to be uniform internationally.
For this reason, regional metrology organisations have been formed to complement the work under the Metre Convention and to extend the reach of the CIPM key comparisons.
www.measurement.gov.au /index.cfm?event=object.showContent&objectID=B46D5A20-BCD6-81AC-15D594E245D2893D   (737 words)

  
 Quantum Entanglement and Teleportation
The uses of quantum teleportation reach beyond the transporters of the Enterprise, and as Robert Faulkner pointed out in his post there are serious considerations over the use of entanglement in computational-communication and procedure.
For many quantum mechanical physical systems, the fixation of boundary conditions is a theoretical and fundamental consequence of some interaction of the physical system with something outside that system, e.g., an interaction with the measuring device of an observer.
If two quantum particles are entangled, a measurement on one automatically determines the state of the second - even if the particles are widely separated.
www.cakes.mcmail.com /StarTrek/teleportation.htm   (3880 words)

  
 National Measurement Institute - The Metre Convention and the international measurement system
The Convention established the structure and processes through which we obtain world-wide uniformity in measurement, firstly through the use of a harmonised set of units of measurement, the International System of Units (SI), and secondly through recognised means of establishing physical standards that realise these units.
In 1875, an international treaty, the Metre Convention, was signed by 17 nations that recognised the need for measurements to be uniform internationally.
For this reason, regional metrology organisations have been formed to complement the work under the Metre Convention and to extend the reach of the CIPM key comparisons.
www.measurement.gov.au /index.cfm?event=object.showContent&objectID=B46D5A20-BCD6-81AC-15D594E245D2893D   (737 words)

  
 Thickness Measuring Instrument measures very thin coatings., BYK Gardner USA
BYK-Gardner - reliable partner of the paint and plastic industries and world-wide renown for its innovative solutions in measuring color, gloss, and physical surface properties - introduces a new member of the family of thickness measuring instruments.
Data can be easily read even on measured parts, which are difficult to reach.
Oct 1, 2004 - Meter combines color and gloss measurement.
news.thomasnet.com /fullstory/462978/rss/2399   (552 words)

  
 Study Surveying at the University of Otago, New Zealand
Surveying embraces a range of activities related to the measurement, ownership and delineation of our physical resources, whether these be on the land or in the oceans.
Applications must reach the Division of Sciences by 15 November.
The professional education provided by the Bachelor of Surveying (BSurv) degree (which also includes on-job training) produces surveying graduates who are recognised, internationally, as being of the highest quality.
www.otago.ac.nz /subjects/surv.html   (410 words)

  
 HYLE 6-1 (2000): Book Reviews. Elisabeth Crawford: Arrhenius: From Ionic Theory to the Greenhouse Effect, Canton 1996 & Diana Barkan: Walther Nernst and the Transition to Modern Physical Science, Cambridge 1999
Upon his move to Berlin in 1905, Nernst shifted to the measurement of specific heats at low temperatures, when he realized that a consequence of the difference between the heat and work of a chemical reaction should asymptotically reach zero at low temperatures.
The last chapter reveals larger historical claims indicated in the title of the book, and Barkan argues that the roots of modern physical science lay as much in chemistry as in physics, and the role of chemistry has been overshadowed by the physicists’ version of the development of modern physical science.
The theoretical problem of light emission from a high temperature filament, and the problem of producing a constant illumination required Nernst to thoroughly understand the behavior of materials and the variation of physical constants such as specific heats and molecular weights at high temperature.
www.hyle.org /journal/issues/6/rev_ramb.htm   (2077 words)

  
 Heating, Air Conditioning & Refrigeration Mechanics
Further, Mechanics must understand the concepts of electrical measurement, chemical reactions, and physical and chemical properties of commonly used substances such as refrigerants and hydrocarbons.
The mechanics must assume awkward and cramped positions to reach parts of the unit during installation, servicing, and maintenance.
The figures represent the broad occupational group Heating, Air Conditioning, and Refrigeration Mechanics and Installers.
www.calmis.cahwnet.gov /file/occguide/MECHHEAT.HTM   (2077 words)

  
 Pearl - Wikipedia, the free encyclopedia
While most other necklaces are simply referred to by their physical measurement, strings of pearls have their own set of names that characterize the pearls based on where they hang when worn around the neck.
An opera will be long enough to reach the breastbone or sternum of the wearer, and longer still, a pearl rope is any length that falls down further than an opera.
Pearl is valued as a gemstone and is cultivated or harvested for jewellery.
en.wikipedia.org /wiki/Pearl   (1417 words)

  
 Quaternary Geologic Investigations, Carrizo Plain, CA
Features were first identified in aerial photographic studies, and then the entire reach from Parkfield to Cajón Pass was traversed and the 150 measurements of offsets were based upon at least one quarter hour field investigation including detailed sketching and careful measurement using a tape.
The conclusions of Fairbanks regarding the origin of these features are impressive in that, even in 1906 (and perhaps a realization from the 1906 earthquake), he recognized the scale of and suggested the nature of the physical deformation associated with the San Andreas Fault.
The Rift zone continues to be traceable along the western base of the Temblor Range, finally passing out onto the gently rolling surface of the eastern edge of the Carissa Plain.
activetectonics.la.asu.edu /carrizo/cargeo.html   (1417 words)

  
 Solar variation - Wikipedia, the free encyclopedia
Weakening of the Sun's magnetic field is believed to increase the number of interstellar cosmic rays which reach Earth's atmosphere, altering the types of particles reaching the surface.
This index (also known as the Zürich number) uses both the number of sunspots and the number of groups to compensate for variations in measurement.
Although the physical aspects of sunspots was not identified until the 1900s, observations continued.
en.wikipedia.org /wiki/Solar_variation   (1417 words)

  
 HYLE 6-1 (2000): Book Reviews. Elisabeth Crawford: Arrhenius: From Ionic Theory to the Greenhouse Effect, Canton 1996 & Diana Barkan: Walther Nernst and the Transition to Modern Physical Science, Cambridge 1999
Upon his move to Berlin in 1905, Nernst shifted to the measurement of specific heats at low temperatures, when he realized that a consequence of the difference between the heat and work of a chemical reaction should asymptotically reach zero at low temperatures.
The theoretical problem of light emission from a high temperature filament, and the problem of producing a constant illumination required Nernst to thoroughly understand the behavior of materials and the variation of physical constants such as specific heats and molecular weights at high temperature.
Svante August Arrhenius and Walther Nernst were two of the founders of the new physical chemistry.
www.hyle.org /journal/issues/6/rev_ramb.htm   (2077 words)

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