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Ballast water discharges are believed to be the leading source of invasive species in U.S. marine waters, thus posing public health and environmental risks, as well as significant economic cost to industries such as water and power utilities, commercial and recreational fisheries, agriculture, and tourism. [1]
The life-support system may supply air, water and food. It must also maintain the correct body temperature, an acceptable pressure on the body and deal with the body's waste products. Shielding against harmful external influences such as radiation and micro-meteorites may also be necessary.
Pulsed-power water treatment is the process of using pulsed, electro-magnetic fields into cooling water to control scaling, biological growth, and corrosion. The process does not require the use of chemicals and helps eliminate environmental and health issues associated with the use and life-cycle management of chemicals used to treat water. [ 1 ]
Cross section of a vessel with a single ballast tank at the bottom. A ballast tank is a compartment within a boat, ship or other floating structure that holds water, which is used as ballast to provide hydrostatic stability for a vessel, to reduce or control buoyancy, as in a submarine, to correct trim or list, to provide a more even load distribution along the hull to reduce structural ...
Therefore ongoing research attempts to find water treatment systems that kill invasive species, while not having a destructive effect on the ballast tank coatings. [6] As double-hulled tankers were introduced it meant that there was more ballast tank area had to be coated and therefore a greater capital investment for ship owners.
DOHA (Reuters) -The ouster of Syrian President Bashar al-Assad, after rebel forces swept into Damascus this weekend, shattered Iran's network of influence in the Middle East but Israel, the United ...
BMP-3 Dragoon – New IFV version with an unmanned turret which can be armed with a variety of combat modules, including standard BMP-3's Bakhcha-U turret with a 2A70 100 mm cannon, a 2A72 30 mm autocannon and a PKTM 7.62 mm machine gun, the AU-220M Baikal remote weapon station module with a 57 mm BM-57 gun and a module with a 125 mm 2A82-1M ...
Arnott Air Suspension Products was founded in 1989 in Punta Gorda, Florida by Donald Arnott after his son, Adam, remanufactured an air spring for his father's car in the family garage. The part not only worked well but the father and son team soon found, it also filled a growing need for affordable replacement air suspension products.