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Non-fungible items are not substitutable in the same manner. Goods that are fungible are treated as commodities, and markets in commodities are active and liquid because of their fungibility. For example, gold is generally fungible because its value does not depend on any specific form, whether of coins, ingots, or other states. However, a ...
Stirred tank bioreactors are used for the biooxidation of gold. [16] While stirred tanks have been used to bioleach cobalt for copper mine tailings , [ 18 ] these are costly systems that can reach sizes of >1300m 3 meaning that they are almost exclusively used for very high value minerals like gold.
Their common aquarium diet includes bloodworms (Chironomidae larvae). Polypterids are known to have extraordinary olfactory ability. Polypterids are known to have extraordinary olfactory ability. [ citation needed ] Polypterid reproduction consists of the female laying anywhere from 100 to 300 eggs over the span of a few days, and subsequent ...
The classic example is the "canary in the coal mine".The idea of placing a warm-blooded animal in a mine to detect carbon monoxide was first proposed by John Scott Haldane in 1895, [2] and canaries were used as early as 1896.
A planted reef aquarium filled with Bladed sand moss (Caulerpa prolifera) A seagrass aquarium housing several seagrass meadow inhabitants. Aquatic plants are used to give the aquarium a natural appearance, oxygenate the water, and provide habitat for fish, especially fry (babies) and for invertebrates. Some aquarium fish and invertebrates also ...
Key microbial processes in the nitrogen cycle can be influenced by gold and vice versa; for example autotrophic denitrifying bacteria can destabilize Au-complexes and may play a role in gold cycling. [2] Overall, it is likely that gold mobility, biomineralization, and ore forming processes are impacted by the reactive nitrogen-containing ...
The operational definition used by Dodd-Frank includes "[a]ll other commodities that are, or once were, or are derived from, living organisms, including plant, animal and aquatic life, which are generally fungible, within their respective classes, and are used primarily for human food, shelter, animal feed, or natural fiber".
It has also been found that fulminating gold is also very slightly soluble in acetonitrile and dimethylformamide. [8] Recent EXAFS (Extended X-Ray Absorption Fine Structure) analyses by Joannis Psilitelis has shown that fulminating gold is a square planar tetraamminegold(III) cation with either four or one gold atoms in the second coordination ...