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• USS Brough (DE-148)
  ...again returned to Key West until July for another tour of ASW training sea phase. ...and [[search and rescue]] ship in an area where high winds and forty foot waves were not uncommon. The pattern of operations was five or six days in port,
  19 KB (2,719 words) - 21:51, 2 July 2010
• The Colony (TV series)
  !Phase | Phase 1: Sleep Deprivation
  29 KB (4,323 words) - 19:28, 24 June 2010
• Salisbury screen
  ...0471370479}}</ref><ref>Salisbury W. W. "Absorbent body for electromagnetic waves", US patent 2599944, June 10, 1952, cited in [http://books.google.com/books ...dar wave strikes the front surface of the dielectric, it is split into two waves of equal intensity.
  4 KB (662 words) - 10:07, 20 September 2010
• Radar-absorbent material
  ...s coated with [[carbonyl iron]] or [[ferrite (magnet)|ferrite]]. [[Radar]] waves induce molecular oscillations from the alternating magnetic field in this p ...and non-magnetic substances. By reducing the reflection of electromagnetic waves, this material helps to reduce the visibility of RAM painted aircraft on ra
  7 KB (1,065 words) - 10:08, 20 September 2010
• Ceramic materials
  ...d density variations, grain size distribution, type of porosity and second-phase content, which can all be correlated with ceramic properties such as mechan ...als which have the capability to [[transmit]] [[light]] ([[electromagnetic waves]]) in the [[visible]] (0.4 – 0.7 micrometers) and mid-[[infrared]] (1...
  28 KB (3,876 words) - 10:08, 20 September 2010
• Electroacoustic phenomena
  ..., thereby generating an AC streaming current at the frequency of the sound waves<ref>Glauser, A.R., Robertson P.A., Lowe, C.R., "An electrokinetic sensor fo ...arallel plate capacitor with a compressible dielectric filling. When sound waves induce a local pressure variation, the spacing of the plates varies at the
  10 KB (1,363 words) - 10:12, 20 September 2010
• Colloid
  ...e phases: a ''dispersed phase'' (or ''internal phase'') and a ''continuous phase'' (or ''dispersion medium''). A colloidal system may be [[solid]], [[liquid ...loidal foams'', ''colloidal dispersions'', or ''hydrosols''. The dispersed-phase particles or droplets are affected largely by the [[surface science|surface
  27 KB (3,735 words) - 10:13, 20 September 2010
• Metallic bond
  ...lline solids, including metals and their alloys, and the construction of [[phase diagram]]s became accessible. Despite all this progress the nature of inter ...s 'pure substance' or 'solute' is such cases and speak of [[phase (matter)|phase]]s instead. The study of such phases has traditionally been more the domain
  26 KB (4,024 words) - 10:13, 20 September 2010
• Ethylene oxide
  ...ex glycols, polyglycol ethers and other compounds. It is also a common gas-phase [[disinfectant]] which is widely used in hospitals to sterilize heat-sensit The reaction also occurs in the gas phase, in the presence of a [[phosphoric acid]] salt as a catalyst.<ref name="oe3
  82 KB (11,709 words) - 21:31, 20 September 2010
• Scientific phenomena named after people
  * [[Berry's phase]] — [[Michael V. Berry]] ...]], [[Gibbs free energy|free energy]], [[Gibbs paradox|paradox]], [[Gibbs' phase rule]], [[Gibbs phenomenon]] — [[Josiah Willard Gibbs]]
  64 KB (7,072 words) - 21:05, 21 September 2010
• Scientific equations named after people
  |accessdate=2009-06-27}}</ref> || Phase separation || [[S. Allen]] and [[John W. Cahn]] | [[Avrami equation]] || Phase transformation || [[Melvin Avrami]]
  28 KB (3,216 words) - 21:06, 21 September 2010
• E/A ratio
  The late phase is dependent upon atrial contraction and is therefore absent in patients wi ...astolic filling. Most filling (70-75%) of the ventricle occurs during this phase.
  5 KB (804 words) - 21:29, 21 September 2010
• Frequency compensation
  ...If the sum of these phase lags reaches 360°, the output signal will be in phase with the input signal. Feeding back any portion of this output signal to t ...input that adds an additional -180° to the output phase making the total phase shift -360° and (b) the gain is sufficient to induce oscillation.
  9 KB (1,409 words) - 14:47, 10 December 2011
• Lattice phase equaliser
  ...lattice phase equaliser was invented by [[Otto Zobel]].<ref>Zobel, O J, ''Phase-shifting network'', US patent 1 792 523, filed 12 March 1927, issued 17 Feb ...dcasters for stereo transmissions are equalised to very tight differential phase specifications.
  10 KB (1,512 words) - 14:48, 10 December 2011
• Network synthesis filters
  ...whose purpose is to pass waves of certain [[wavelength]]s while rejecting waves of other wavelengths. Network synthesis starts out with a specification fo ...n. The Bessel filter has minimal distortion in the time domain due to the phase response with frequency as opposed to the Butterworth filter which has mini
  11 KB (1,738 words) - 14:48, 10 December 2011
• Reflections of signals on conducting lines
  .../math> is complex, this is to be interpreted as a shift in [[phase (waves)|phase]] of the reflected wave relative to the incident wave.<ref>Connor, pp.30-31 ...a pure [[electrical reactance|reactance]]. There is, however, a change of phase in the reflection given by<ref>Matthaei ''et al.'', pp.34-42.</ref>
  23 KB (3,658 words) - 14:49, 10 December 2011
• Butterworth filter
  ...lar [[stopband]] specification, but Butterworth filters have a more linear phase response in the pass-band than Chebyshev Type I/Type II and elliptic filter and the [[Phase (waves)|phase]] is given by
  17 KB (2,648 words) - 14:50, 10 December 2011
• Phase-locked loop
  ...requency of its oscillator to keep the phases matched. The signal from the phase detector is used to control the oscillator in a [[feedback loop]]. ...ies keeping the input and output frequencies in lock step. Consequently, a phase-locked loop can track an input frequency, or it can generate a frequency th
  37 KB (5,933 words) - 14:50, 10 December 2011
• Superheterodyne receiver
  ...r "difference" frequency produced when two or more radio frequency carrier waves are fed to a [[Detector (radio)|detector]]. The term was coined by Canadian ...FM signals may be detected using a discriminator, [[ratio detector]], or [[phase-locked loop]]. [[Continuous wave]] ([[morse code]]) and [[single sideband]]
  31 KB (4,651 words) - 14:50, 10 December 2011
• Impedance matching
  ...source signal ''and'' [[Reactance (electronics)|reactance]] that is out of phase with a sinusoidal source signal. The total impedance (symbol: ''Z'') is the ...Gamma_S \, </math>, where ''Zs'' is the source impedance. The source of waves incident from the line are the reflections from the load end. If the sourc
  31 KB (4,821 words) - 14:50, 10 December 2011

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