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Biguanide (/ b aɪ ˈ ɡ w ɒ n aɪ d /) is the organic compound with the formula HN(C(NH)NH 2) 2. It is a colorless solid that dissolves in water to give a highly basic solution. It is a colorless solid that dissolves in water to give a highly basic solution.
Structure of chlorhexidine, a bisbiguanide antiseptic.. Bisbiguanides are a class of chemically related compounds known for their bactericidal properties. Generally considered to be of the generic formula: R 1 R 2 N.C(:NR 6)NH.C(:NH)NH.CH 2 X--(CH 2) 3 NH.C(:NH)NH.C(:NR 7)NR 3 R 4 V. [1] These compounds include the antiseptics chlorhexidine and alexidine.
How do birds get their colors? Understanding bird coloration combines biology and physics. There are two primary ways that birds get their color: pigmentation and the physical structure of the ...
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The common redshank is a widespread breeding bird across temperate Eurasia. It is a migratory species, wintering on coasts around the Mediterranean, on the Atlantic coast of Europe from Ireland and Great Britain southwards, and in South Asia.
Oilbird videos, photos & sounds on the Internet Bird Collection; The oilbird's visual acuity; Caripe.net – La Puerta de Entrada (in Spanish) Oilbird Caves of Trinidad Accessed 30 March 2011 "Finding the cave-dwelling Oilbird!". YouTube. Toledo Zoo. August 7, 2015. Archived from the original on 2021-12-12. "Oilbird". YouTube. American Bird ...
It’s important to point out that there has been no evidence of human-to-human spread of bird flu. And, if you don’t work on a farm or handle birds or cows, you’ll likely be okay.
A black drongo in a typical anting posture. Anting is a maintenance behavior during which birds rub insects, usually ants, on their feathers and skin.The bird may pick up the insects in its bill and rub them on the body (active anting), or the bird may lie in an area of high density of the insects and perform dust bathing-like movements (passive anting).