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Leech – The aft (back) edge of a fore-and-aft sail is called the leech (also spelled leach). [8] The leech is either side edge of a symmetrical sail—triangular or square. [7] [9] [a] However, once a symmetrical sail has wind blowing along its surface, whether on a reach or close-hauled, the windward leech may be called a luff (see below).
Leech secretions contain several bioactive substances with anti-inflammatory, anticoagulant and antimicrobial effects. [69] One active component of leech saliva is a ...
Septic drain fields, also called leach fields or leach drains, are subsurface wastewater disposal facilities used to remove contaminants and impurities from the liquid that emerges after anaerobic digestion in a septic tank. Organic materials in the liquid are catabolized by a microbial ecosystem.
The term leech also refers to a peer (or peers) that has a negative effect on the swarm by having a very poor share ratio, downloading much more than they upload. Leeches may be on asymmetric Internet connections or do not leave their BitTorrent client open to seed the file after their download has completed. However, some leechers ...
Haementeria ghilianii is a species of leech in the Glossiphoniidae family, comprising freshwater proboscis-bearing leeches. Colloquially, they are known as the Amazon giant leech. Following its initial description in 1849, additional details were provided based on specimens from French Guiana in 1899, after which the species was largely ...
Wheaton says the leeches were created two different ways: For long shots, they used skateboard grip tape, and for the closeups used a combination of latex, blood makeup and rubber cement.
The price of leeches varied between one penny and threepence halfpenny each. In 1832 leeches accounted for 4.4% of the total hospital expenditure. The hospital maintained an aquarium for leeches until the 1930s. [15] The use of leeches began to become less widespread towards the end of the 19th century. [5]
Biological substances can experience leaching themselves, [2] as well as be used for leaching as part of the solvent substance to recover heavy metals. [6] Many plants experience leaching of phenolics, carbohydrates, and amino acids, and can experience as much as 30% mass loss from leaching, [5] just from sources of water such as rain, dew, mist, and fog. [2]