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A diffuser is "a device for reducing the velocity and increasing the static pressure of a fluid passing through a system”. [1] The fluid's static pressure rise as it passes through a duct is commonly referred to as pressure recovery. In contrast, a nozzle is used to increase the discharge velocity and lower the pressure of a fluid passing ...
An air diffuser or membrane diffuser is an aeration device typically in the shape of a disc, tube or plate, which is used to transfer air and with that oxygen into the sewage or industrial wastewater. Oxygen is required by microorganisms/bacteria residents in the water to break down the pollutants.
An assortment of Rusk-brand hair and beauty products on a store shelf. Rusk is a brand of hair care products and devices designed for hair salons. The brands products are sold in several markets of the world most notably in North America and Europe. It was founded by the couple, Irvine and Louise Rusk.
The larger air release openings of a coarse bubble diffuser helps to facilitate a higher oxygen transfer rate and bacterial growth. One disadvantage of using fine bubble diffusers in activated sludge tanks is the tendency of floc (particle) clogging the small air release holes.
A flash diffuser (also called a speedlight diffuser, or shoot-through diffuser) spreads the light from the flash of a camera. A diffusion filter of this type may also be used in front of a non-flash studio light to soften the light on the scene being shot; such filters are used in still photography, in film lighting , and in stage lighting .
Historically 1.5 inch hose was the primary initial attack line but has been supplanted in most of the US by 1.75-inch-diameter (44 mm) hose that carries 175 gallons per minute. Two-inch hose is available as an option. Attic ladder
Rusk has also been the home to Jim Swink, Adrian Burk and Johnny Horton. Anthony Denman, former Notre Dame All American, Most Valuable Player and former NFL player, is from Rusk. He was the first to hail from Rusk to play in the NFL. [22] [23] [24] Cody Glenn, a former Nebraska standout and former NFL player, is from Rusk. [25] [26]
A rusk is a hard, dry biscuit or a twice-baked bread. [1] It is sometimes used as a teether for babies. [2] In some cultures, rusk is made of cake, rather than bread: this is sometimes referred to as cake rusk. In the UK, the name also refers to a wheat-based food additive.