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  2. Swan neck flask - Wikipedia

    en.wikipedia.org/wiki/Swan_neck_flask

    A swan neck flask, also known as a gooseneck flask, is a round-bottom flask with a narrow s-shaped tube as its opening to reduce contact between the inner contents and external environment. The motion of air through the tube is slowed and aerosolized bacteria or other particles in the air tend to become trapped by moisture on the tube's inner ...

  3. Gooseneck - Wikipedia

    en.wikipedia.org/wiki/Gooseneck

    Gooseneck (piping), a piping or ductwork feature; A crowbar (tool) A gooseneck flask (or swan neck flask) is a flask used in biology that has a curved neck to trap particulate; A gooseneck trailer hitch, for commercial and agricultural use; Gooseneck (fixture), a type of flexible tubing used in gooseneck lamps or microphone stands

  4. Gooseneck (piping) - Wikipedia

    en.wikipedia.org/wiki/Gooseneck_(piping)

    Gooseneck vent with check valve being repainted. A gooseneck (or goose neck) is a 180° pipe fitting at the top of a vertical pipe that prevents entry of water. Common implementations of goosenecks are ventilator piping or ducting for bathroom and kitchen exhaust fans, ship holds, landfill methane vent pipes, or any other piping implementation exposed to the weather where water ingress would ...

  5. Gooseneck (fixture) - Wikipedia

    en.wikipedia.org/wiki/Gooseneck_(fixture)

    A gooseneck is a semi-rigid, flexible joining element made from a coiled metal hose. Similar to its natural counterpart , it can be bent in almost any direction and remain in that position. [ 1 ] Areas of application for goosenecks are movable brackets for lights , magnifying glasses , microphones and other devices. [ 2 ]

  6. Swan neck duct - Wikipedia

    en.wikipedia.org/wiki/Swan_neck_duct

    A swan neck duct is a jet engine component, usually situated within the compression or turbine expansion system. [1]Many jet engines have a short annular passageway, linking two components, where there is a large change in mean radius, from front to rear.

  7. Chemical Agents Warning Latency Initial Symptoms Properties ...

    images.huffingtonpost.com/2008-06-02-guide1.pdf

    Chemical Agents Warning Properties Latency Period Initial Symptoms Blister Agents Lewisite Gas: colorless Odor: geraniums Seconds to minutes

  8. Shaker (laboratory) - Wikipedia

    en.wikipedia.org/wiki/Shaker_(laboratory)

    A shaker is a piece of laboratory equipment used to mix, blend, or agitate substances in a tube or flask by shaking them. It is mainly used in the fields of chemistry and biology. A shaker contains an oscillating board that is used to place the flasks, beakers, or test tubes.

  9. Mariotte's bottle - Wikipedia

    en.wikipedia.org/wiki/Mariotte's_bottle

    The design was first reported by McCarthy (1934). [2] As shown in the diagram, a stoppered reservoir is supplied with an air inlet and a siphon.The pressure at the bottom of the air inlet is always the same as the pressure outside the reservoir, i.e. the atmospheric pressure.