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R-410A. R-410A is a refrigerant used in air conditioning and heat pump applications. It is a zeotropic but near- azeotropic mixture of difluoromethane (CH 2 F 2, called R-32) and pentafluoroethane (CHF 2 CF 3, called R-125). R-410A is sold under the trademarked names AZ-20, EcoFluor R410, Forane 410A, Genetron R410A, Puron, and Suva 410A.
Arado Ar 96. Focke-Wulf Fw 189. Number built. c.28,700. Developed into. Argus As 411. The Argus As 410 was a German air-cooled inverted V-12 aircraft engine that was first produced by Argus Motoren in 1938. [1]
A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. It is widely used in optical engineering laboratory work to analyze and ...
A kardex (plural kardexes) is a genericised trademark for a medication administration record. [2] The term is common in Ireland and the United Kingdom.In the Philippines, the term is used to refer the old census charts of the charge nurse usually used during endorsement, in which index cards are used, but has been gradually been replaced by modern health data systems and pre-printed charts and ...
Print/export Download as PDF; Printable version; Appearance. move to sidebar hide. This is a list of refrigerants ...
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. It is also used in domestic and commercial refrigerators, large-scale warehouses ...
e. Thermodynamic heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. A heat pump is a mechanical system that transmits heat from one location (the "source") at a certain temperature to another location (the "sink" or "heat sink") at a higher temperature. [1]
The 411 is an eight-seat low-wing twin-engined cabin monoplane with retractable landing gear and an airstair entrance door. [1] It has two 340 hp (254 kW) Continental GTSIO-520-C engines with three-bladed propellers. [2] It has a retractable tricycle landing gear and an airstair door and the prototype first flew on 18 July 1962. [1]