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Portions of text, footnotes, and groups of authorities within the piece are cited with supra or infra. Supra refers to material already in the piece, and infra to material appearing later in the piece. "Note" and "Part" refer to footnotes and parts (when parts are specifically designed) in the same piece; "p."
It is important here to note that there are differences between the coin silver standard and the coin silver alloy, as actually used in making silver objects. The coin silver standard in the United States was 90% silver and 10% copper, as dictated by US FTC guidelines. However, in silversmithing, coins could come from other nations besides the ...
An optical rectenna is a rectenna (rectifying antenna) that works with visible or infrared light. [1] A rectenna is a circuit containing an antenna and a diode , which turns electromagnetic waves into direct current electricity .
Every 15mins after 3 complete Total and SW 250x256 arrays of the Earth disk are taken a synthetic LW result is obtained from the mean difference between the two. Such ERB results are then combined with a resolution enhancement and cloud retrievals using the Spinning Enhanced Visible and Infrared Imager (SEVIRI) also on the MSG platform.
Nickel silver first became popular as a base metal for silver-plated cutlery and other silverware, notably the electroplated wares called EPNS (electroplated nickel silver). It is used in zippers , costume jewelry , for making musical instruments (e.g., flutes , clarinets ), and is preferred for the track in electric model railway layouts, as ...
Spectrophotometers designed for the infrared region are quite different because of the technical requirements of measurement in that region. One major factor is the type of photosensors that are available for different spectral regions, but infrared measurement is also challenging because virtually everything emits IR as thermal radiation ...
Naturally occurring silver (47 Ag) is composed of the two stable isotopes 107 Ag and 109 Ag in almost equal proportions, with 107 Ag being slightly more abundant (51.839% natural abundance). Notably, silver is the only element with all stable istopes having nuclear spins of 1/2.
The measurement of sales of popular music starts high relative to the wedding anniversary scale, concentrating on gold and platinum (see gold album).Likewise, credit card companies usually have a "gold card" and a "platinum card" (many formerly had a "silver card" then followed by a "gold card", but due to similarity in appearance between silver and platinum these were often discontinued with ...