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  2. Hydroponics - Wikipedia

    en.wikipedia.org/wiki/Hydroponics

    Whenever the solution is depleted below a certain level, either water or fresh nutrient solution is added. A Mariotte's bottle, or a float valve, can be used to automatically maintain the solution level. In raft solution culture, plants are placed in a sheet of buoyant plastic that is floated on the surface of the nutrient solution.

  3. Microflotation - Wikipedia

    en.wikipedia.org/wiki/Microflotation

    This results in saturating the pressurized effluent water with air. The air-saturated water stream is recycled to the front of the Microflotation cell and flows through a pressure release valve just as it enters the front of the float tank, which results in the air being released in the form of tiny bubbles.

  4. Ballcock - Wikipedia

    en.wikipedia.org/wiki/Ballcock

    A later innovation, the floatless fill valve, designed for low-profile, low-flow toilet tanks, uses a pressure-sensing diaphragm mechanism instead of a float to control the inlet valve. [4] Delay valves, which delay the filling until the level has dropped to a low level, avert short-cycling of the water supply.

  5. List of valves - Wikipedia

    en.wikipedia.org/wiki/List_of_valves

    Leaf valve: one-way valve consisting of a diagonal obstruction with an opening covered by a hinged flap; Line blind valve: a thin sheet oriented perpendicular to the pipe. The sheet has a solid end and a flow-through end; sliding it from one position to the other opens or stops the flow. Also called sliding blind valve

  6. Valve - Wikipedia

    en.wikipedia.org/wiki/Valve

    These water valves are operated by rotary handles. A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a separate category. In ...

  7. No. 2 South Carolina beats Texas A&M 90-49 in tuneup before 5 ...

    www.aol.com/no-2-south-carolina-beats-000611337.html

    No. 2 South Carolina beat Texas A&M 90-49 on Thursday in a final tuneup before its biggest stretch of the season. The Gamecocks (15-1, 3-0 Southeastern) are playing thin after junior forward ...

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