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A typical volume of Bell System Practices from the 1970s. The Bell System Practices (BSPs) is a compilation of technical publications which describes the best methods of engineering, constructing, installing, and maintaining the telephone plant of the Bell System under direction of AT&T and Bell Telephone Laboratories. [1]
A direct-conversion receiver (DCR), also known as a homodyne, synchrodyne, zero intermediate frequency or zero-IF receiver, is a radio receiver design that demodulates the incoming radio signal using synchronous detection driven by a local oscillator whose frequency is identical to, or very close to the carrier frequency of the intended signal.
Set-up of a self-mixing interferometer with laser diode and monitor photodiode. Self-mixing or back-injection laser interferometry is an interferometric technique in which a part of the light reflected by a vibrating target is reflected into the laser cavity, causing a modulation both in amplitude and in frequency of the emitted optical beam.
Diagram showing the setup of a continuous stirred-tank reactor. The continuous stirred-tank reactor (CSTR), also known as vat-or backmix reactor, mixed flow reactor (MFR), or a continuous-flow stirred-tank reactor (CFSTR), is a common model for a chemical reactor in chemical engineering and environmental engineering.
Radiant heating and cooling originated as separate systems but now share a similar form. Radiant heating has a long history in Asia and Europe. The earliest systems, from as early as 5000 BC, were found in northern China and Korea. Archaeological findings show kang and dikang, heated beds and floors in ancient Chinese homes. Kang originated in ...
A compressed earth block (CEB), also known as a pressed earth block or a compressed soil block, is a building material made primarily from an appropriate mix of fairly dry inorganic subsoil, non-expansive clay, sand, and aggregate. Forming compressed earth blocks requires dampening, mechanically pressing at high pressure, and then drying the ...
Choco Taco was a Good Humor-Breyers ice cream novelty resembling a taco. It consisted of a disk of waffle cone material folded to resemble a hard taco shell, reduced-fat vanilla ice cream, artificially flavored fudge, peanuts, and a milk chocolate coating. [2] The Choco Taco was marketed under the Klondike brand as "The Original Ice Cream Taco ...
Taco Bell also offered Mtn Dew Energy Baja Blast in a test market, along with Baja Blast Charged Berry, which features the energy drink mixed with strawberry flavor. [ 42 ] In January 2024, Pepsi announced that in celebration of the 20th anniversary of Baja Blast, it would remain on shelves all year long, instead of its prior summer-only retail ...