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A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that slows the speed at which its contents change in temperature. It greatly lengthens the time over which its contents remain hotter or cooler than the flask's surroundings by trying to be as adiabatic as possible.
Schlenk flask, which is a spherical flask with a ground glass opening and a hose outlet and a vacuum stopcock. The tap makes it easy to connect the flask to a vacuum-nitrogen line through the hose and to facilitate the carrying out of a reaction either in vacuum or in an atmosphere of nitrogen.
The Stanley thermos became known for its durability. It was the only all-steel thermos in production until the mid-1960s. [6] The United States army reportedly tested Stanley thermoses in World War I by dropping them out of airplanes and running them over with heavy equipment. [4] Stanley thermoses were carried by bomber pilots during World War II.
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Thermos LLC is a manufacturer of insulated food and beverage containers and other consumer products. The original company was founded in Germany in 1904. [2]In 1989, the Thermos operating companies in Japan, the UK, Canada and Australia were acquired by Nippon Sanso K.K., which had developed the world's first stainless steel vacuum bottle in 1978, [3] before it renamed itself Taiyo Nippon ...
Getters are especially important in sealed systems, such as vacuum tubes, including cathode-ray tubes (CRTs), vacuum insulating glass (or vacuum glass) [1] and vacuum insulated panels, which must maintain a vacuum for a long time. This is because the inner surfaces of the container release adsorbed gases for a long time after the vacuum is ...
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