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Nano aquariums are aquariums with the emphasis on small scale inhabitants inside smaller sized aquariums. They can be either freshwater nano aquariums or saltwater nano aquariums. Nano fish species are chosen from any smaller sized species of tropical fish. Other possible inhabitants are freshwater and seawater shrimps. Any plants for a nano ...
The main features that make nanoparticles effective for water treatment are More surface area; Small volume; The higher the surface area and volume, the particles become stronger, more stable and durable; Materials may change electrical, optical, physical, chemical, or biological properties at the nano level; Makes chemical and biological ...
NF units in drinking water purification range from extremely low salt rejection (<5% in 1001A membranes) to almost complete rejection (99% in 8040-TS80-TSA membranes.) Flow rates range from 25 to 60 m 3 /day for each unit, so commercial filtration requires multiple NF units in parallel to process large quantities of feed water.
A 1,200,000-litre (320,000 US gal; 260,000 imp gal) aquarium at Monterey Bay Aquarium in California, displaying a kelp forest ecosystem. An aquarium can range from a small glass bowl containing less than 1 litre (2.1 US pt) of water to immense public aquaria that house entire ecosystems such as kelp forests.
Commercially packaged aquarium kits, including algae, anchialine be left open or closed, are available in Hawaii. The customer can combine these to create an aquarium comparable to the EcoSphere. Theartofscience.eu do still produce the ecospheres, with various types like black sand, seashells, gorgonia, mediterranean and so on.
100 mg of sample tannins are dissolved in 10 ml distilled water. 1 ml of 10M HCl and 2 ml of 37% formaldehyde are added and the mixture heated under reflux for 30 min. The reaction mixture is filtered while hot through a sintered glass filter. The precipitate is washed with hot water (5× 10 ml) and dried over CaCl 2. The yield of tannin is ...
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