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• Arc Welding
  ...sed their naked eyes to the intense light for a while. By coincidence, the spectrum of an electric arc has a notch in it, which coincides with the yellow sodiu |title=Testing of work environments for electromagnetic interference (Pacing Clin Electrophysiol. 1992) - PubMed Result
  22 KB (3,345 words) - 12:03, 20 June 2010
• Salisbury screen
  | isbn = 0471370479}}</ref><ref>Salisbury W. W. "Absorbent body for electromagnetic waves", US patent 2599944, June 10, 1952, cited in [http://books.google.com ...concept of [[interference (wave propagation)|interference]]. When two [[electromagnetic wave]]s that are [[Coherence (physics)|coherent]] and are traveling in the
  4 KB (662 words) - 10:07, 20 September 2010
• Radiant barrier
  ...wavelengths are in the mid- and long- infrared [[Electromagnetic spectrum|spectrum]], in the range of 3 - 15 micrometres.
  7 KB (1,109 words) - 10:08, 20 September 2010
• Ceramic materials
  ...radiation in the thermal [[infrared]] (IR) portion of the electromagnetic spectrum. This heat-seeking ability is responsible for such diverse optical phenomen ...7 micrometers) and mid-[[infrared]] (1 – 5 micrometers) regions of the [[spectrum]]. These materials are needed for applications requiring [[transparent]] ar
  28 KB (3,876 words) - 10:08, 20 September 2010
• Polycarbonate
  ...ar to Short-wave [[Infrared]] [[Transmittance]] [[Electromagnetic spectrum|Spectrum]]'''</th></tr>
  20 KB (2,772 words) - 10:11, 20 September 2010
• Metallic bond
  '''Metallic bonding''' is the electromagnetic interaction between [[delocalized electron]]s, called [[conduction electron ...looking at the core levels in an [[X-ray photoelectron spectroscopy|XPS]] spectrum. If an element partakes its peaks tend to be skewed.
  26 KB (4,024 words) - 10:13, 20 September 2010
• Ruthenium
  ...sorption (electromagnetic radiation)|absorb light]] throughout the visible spectrum and are being actively researched in various, potential, [[solar energy]] t
  39 KB (5,430 words) - 10:13, 20 September 2010
• Aerogel
  ...cm³. Carbon aerogels are also extremely "black" in the infrared spectrum, reflecting only 0.3% of radiation between 250&nbsp;nm and 14.3&nbsp;µm, m ...les of the metal. Such composites can be used as [[catalyst]]s, sensors, [[electromagnetic shielding]], and in waste disposal. A prospective use of platinum-on-carbon
  26 KB (3,758 words) - 10:14, 20 September 2010
• Electromagnetic field
  ...extends indefinitely throughout space and describes the [[electromagnetism|electromagnetic interaction]]. It is one of the four [[fundamental force]]s of nature (the ...rces of the field. The way in which charges and currents interact with the electromagnetic field is described by [[Maxwell's equations]] and the [[Lorentz force law]]
  21 KB (2,891 words) - 21:36, 20 September 2010
• Tanabe-Sugano diagram
  ...[absorption (optics)|absorption]]s in the UV and visible [[electromagnetic spectrum]] of [[coordination compound]]s. ...humb|300px|alt=Absorption spectrum of manganese(II) hexahydrate|Absorption spectrum of [Mn(H₂O)₆]²⁺.]]
  23 KB (3,526 words) - 20:18, 21 September 2010
• D electron count
  ...on accurately predicts absorptions in the UV and visible [[electromagnetic spectrum]] resulting from d to d orbital electron transitions. It are these d-d tran
  11 KB (1,632 words) - 20:18, 21 September 2010
• Intervalence charge transfer
  ...band is usually observed in the visible or near [[infrared]] region of the spectrum and is broad.
  2 KB (293 words) - 20:18, 21 September 2010
• Pulsed Electromagnetic Field Therapy
  ...V. "A randomized double-blind prospective study of the efficacy of pulsed electromagnetic fields for interbody lumbar fusions." Spine 15.7 (1990): 708-712. MEDLINE. ...tic ointments produced in New York were introduced as remedies for a whole spectrum of illnesses such as headaches, inflammation of the bowels, burns, fever so
  10 KB (1,460 words) - 22:06, 21 September 2010
• Passive analogue filter development
  ...that if telephone channels are squeezed in side-by-side into the frequency spectrum, there will be [[crosstalk]] from adjacent channels in any given channel. W ...be improved by the addition of inductance to the line.<ref>Heaviside, O, "Electromagnetic Induction and its propagation", ''The Electrician'', 3 June 1887</ref> [[Ge
  60 KB (9,254 words) - 14:49, 10 December 2011
• Crystal radio
  | journal = IEEE Spectrum The antenna converts the energy in the electromagnetic [[radio wave]]s striking it to an [[alternating current|alternating]] [[ele
  73 KB (10,437 words) - 14:50, 10 December 2011
• Superheterodyne receiver
  ...mall>_d</small>, but in some modern receivers (e.g. scanners and spectrum analyzers) it is more convenient to first convert an entire band to a much ...adjacent channels, but maintain a flat response across the desired signal spectrum in order to retain the quality of the received signal. This may be obtained
  31 KB (4,651 words) - 14:50, 10 December 2011
• Measuring receiver
  *determine compliance of a device with [[electromagnetic interference]] and [[TEMPEST]] standards and regulations. ...sed in metrology and calibration lab environments, spectrum monitoring and electromagnetic-compatibility facilities.
  5 KB (718 words) - 14:51, 10 December 2011
• Spectrometer
  ...jority of spectrophotomers are used in spectral regions near the [[visible spectrum]]. ...l frequencies (that is, at [[microwave]] and [[radio]] frequencies), the [[spectrum analyzer]] is a closely related electronic device.
  11 KB (1,486 words) - 14:51, 10 December 2011
• Line Impedance Stabilization Network
  ...e testing. A LISN is typically designed to allow for measurements of the [[electromagnetic interference]] existing on the power line. ...rence voltage produced by the DUT is transferred to a meter, for example a spectrum analyser or an EMI receiver.
  2 KB (341 words) - 14:52, 10 December 2011
• Oscilloscope types
  ...ction system is called electrostatic deflection, and is different from the electromagnetic deflection system used in television tubes. In comparison to magnetic defl ...tal, and RF signals with each other, and allows the user to see how the RF spectrum changes over time.<ref name="oscilloscope disruptive">{{cite web|title=Can
  39 KB (6,076 words) - 14:52, 10 December 2011

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