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In 1933 Mads Clausen (1905–1966) founded Dansk Køleautomatik- og Apparatfabrik, later in 1946 the company name was changed to Danfoss.The first product was an expansion valve for refrigeration units, it was developed after studying imported valves from the US.
A plate heat exchanger is a type of heat exchanger that uses metal plates to transfer heat between two fluids.This has a major advantage over a conventional heat exchanger in that the fluids are exposed to a much larger surface area because the fluids are spread out over the plates.
HpaII (IntEnz: EC 3.1.21.4) is a restriction enzyme obtained from the microorganism Haemophilus parainfluenzae.It is a DNA restriction enzyme, therefore it has the ability to cut the DNA from certain region as demonstrated below. [1]
The Health Protection Agency (HPA) was a non-departmental public body in England. [1] It was set up by the UK government in 2003 to protect the public from threats to their health from infectious diseases and environmental hazards.