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A representative pressure–volume diagram for a refrigeration cycle. Vapour-compression refrigeration or vapor-compression refrigeration system (VCRS), [1] in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely used method for air conditioning of buildings and automobiles.
This is an accepted version of this page This is the latest accepted revision, reviewed on 29 January 2025. This is a list of media franchises that have grossed $2 billion and more.
Vinyl chloride is an organochloride with the formula H 2 C=CHCl. It is also called vinyl chloride monomer (VCM) or chloroethene.It is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride (PVC).
AMPEX quadruplex VR-1000A, the first commercially released video tape recorder in the late 1950s; quadruplex open-reel tape is 2 inches wide The first portable VTR, the suitcase-sized 1967 AMPEX quadruplex VR-3000 1976 Hitachi portable VTR, for Sony 1" type C; the source and take-up reels are stacked for compactness.
Vanadium hexacarbonyl is the inorganic compound with the formula V(CO) 6.It is a blue-black volatile solid. This highly reactive species is noteworthy from theoretical perspectives as a rare isolable homoleptic metal carbonyl that is paramagnetic.
Back view of a TiVo Series2 5xx-generation unit. The first working DVR prototype [2] was developed in 1998 at Stanford University Computer Science department. The DVR design was a chapter of Edward Y. Chang's PhD dissertation, supervised by Professors Hector Garcia-Molina and Jennifer Widom.
Media type: Optical disc: Encoding: Digital ()Capacity: 4.38 GiB (4.7 GB) single layer and hybrid 7.92 GiB (8.5 GB) dual layer: Read mechanism: 650 nm laser (780 nm for the CD layer of a hybrid disc)
Selective tuning is the process by which the radio frequency (RF) of the television channel is selected by a receiver from within a band of transmitted RF signals. The tuner usually performs the function of frequency-agile selection, along with rejection of unwanted out-of-band signals.