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Topic: Pulse wave


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In the News (Fri 25 Dec 09)

  
  Pulse - Wikipedia, the free encyclopedia
Pressure waves move through the blood vessels, which are pliable; it is not caused by the forward movement of the blood.
The pulse deficit (difference between heart beats and pulsations at the periphery) should be determined by simultaneous palpation at the radial artery and auscultation at the heart apex.
The ease of palpability of a pulse is dictated by the patient's blood pressure.
en.wikipedia.org /wiki/Pulse   (873 words)

  
 Mechanical Flowmeters
The frequency of the resulting pulse train is a measure of flow rate, while the total number of pulses gives the size of the batch.
Capacitive sensors produce a sine wave by generating an RF signal that is amplitude-modulated by the movement of the rotor blades.
The signal output from a Hall-effect sensor is a square wave pulse train, at a frequency proportional to the volumetric flowrate.
www.tcomega.com /literature/transactions/volume4/T9904-08-MECH.html   (5732 words)

  
 pulse, pulsing, pulsed, pulses- WordWeb dictionary definition
(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
Produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses
"pulse waves"; "a transmitter pulsed by an electronic tube"
www.wordwebonline.com /en/PULSE   (110 words)

  
 [No title]   (Site not responding. Last check: 2007-10-30)
What makes this book unique in the treatment of this subject is its focus on the properties that make the soliton physically ubiquitous and the soliton equation mathematically miraculous.
Here, on the classical level, is the entity field theorists have been postulating for years: a local traveling wave pulse; a lump-like coherent structure; the solution of a field equation with remarkable stability and particle-like properties.
It is a fundamental mode of propagation in gravity- driven surface and internal waves; in atmospheric waves; in ion acoustic and Langmuir waves in plasmas; in some laser waves in nonlinear media; and in many biologic contexts, such as alpha- helix proteins.
www.ec-securehost.com /SIAM/CB48.html   (418 words)

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