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Flask is a micro web framework written in Python. It is classified as a microframework because it does not require particular tools or libraries. [ 2 ] It has no database abstraction layer, form validation, or any other components where pre-existing third-party libraries provide common functions.
Volumetric flask is used for preparing liquids with volumes of high precision. It is a flask with an approximately pear-shaped body and a long neck with a circumferential fill line. Dewar flask is a double-walled flask having a near-vacuum between the two walls. These come in a variety of shapes and sizes; some are large and tube-like, others ...
An Erlenmeyer flask, also known as a conical flask (British English) [1] or a titration flask, is a type of laboratory flask with a flat bottom, a conical body, and a cylindrical neck. It is named after the German chemist Emil Erlenmeyer (1825–1909), who invented it in 1860.
Hip flask, a small container used to carry a small amount of liquid; Laboratory flask, laboratory glassware for holding larger volumes than simple test tubes Erlenmeyer flask, a common laboratory flask with a flat bottom, a conical body, and a cylindrical neck; Vacuum flask, a container designed to keep warm drinks warm and refrigerated drinks cold
A flask is a type of tooling used to contain a mold in metal casting. A flask has only sides, and no top or bottom, and forms a frame around the mold, which is typically made of molding sand . The shape of a flask may be square, rectangular, round or any convenient shape.
Olena Ruban/Getty Images. 4. Incompatible: Taurus and Aquarius. The zodiac’s bull is stable and predictable, especially in matters of the heart.That can spell romance and reliability for some ...
Alembics from a 1606 alchemy book. Dioscorides's ambix, described in his De materia medica (c. 50 C.E.), is a helmet-shaped lid for gathering condensed mercury. For Athenaeus (c. 225 C.E.) it is a bottle or flask.
Don't rely on bloviating pundits to tell you who'll prevail on Hollywood's big night. The Huffington Post crunched the stats on every Oscar nominee of the past 30 years to produce a scientific metric for predicting the winners at the 2013 Academy Awards.