Sentence examples for Dewar flask from inspiring English sources
noun
A type of double-walled vacuum flask with silver lining.
Mentions a number of electronic & space instruments: The Bendix Corp.'s reaction wheel, & miniature motors to power instruments inside the missile; Dale Electronic's T-pots; U.S. Stoneware Co. Dewar flask, made of aluma; Tenney Engineering firm's testing chambers; Varian Associates, makers of power tubes for generating microwaves; James Cunningham Son & Co., purveyors of radar apparatus.
Besides, it can work, successively, for long time with filling the Dewar flask with liquid N2.
3. Fill a Dewar flask with liquid nitrogen.
Also, the microscope should be operated with an anti-contamination device (copper wire cooled in liquid nitrogen dewar flask).
Inside the Dewar flask kept at room temperature, the gel refrigerant remains completely frozen up to 6 hr at a constant temperature (–20°C).
Optical absorbance spectra at 77 K were acquired from samples in EPR tubes in a quartz finger Dewar flask with an Ocean Optics USB2000 spectrophotometer.
Water baths and vacuum sealers (for sous vide) and combination ovens (for wet-bulb temperature control) are basic, but there's so much more, from Dewar flasks for liquid nitrogen to centrifuges for separating ingredients to rotor-stator homogenizers to Pacojets for making sorbet out of pretty much anything.
Its hybrid rotor has three novel aspects: the HTS magnets are installed on a warm iron core; four Dewar flasks having racetrack outline are distributed symmetrically, and SN2 is used as cryogen.
The sperm samples were frozen in liquid nitrogen vapor for 10 minutes, followed by plunging the straws into liquid nitrogen in two Dewar flasks for storage.
The reaction vessel used was an ordinary Dewar thermos flask with a removable screw cap lid.
The esterification reaction studied was carried out in an ordinary Dewar thermos flask acting as an adiabatic batch reactor of total volume 500 cm3 (0.5 dm3) with a magnetic stirrer.
