单词 | bone ash |
释义 | BETA Examples ofbone ashDictionary> Examples ofbone ash bone ashisn’t in the Cambridge Dictionary yet. You can help! Add a definition Heating bones in an oxygen-rich atmosphere givesboneash, which is chemically quite different. From Wikipedia ![]() Boneashwas the major source of phosphorus until the 1840s. From Wikipedia ![]() Calcium phosphate is one of the main combustion products of bone (seeboneash). From Wikipedia ![]() Bones contain nitrogen and phosphorus, thusboneashis often found in fertilizers. From Wikipedia ![]() In addition,boneashcan be used as a protective coating for metal equipment, tools, or around a floor as moulding. From Wikipedia ![]() Furthermore, the preparation of silverpoint supports, usually with hide glue with finely groundboneash, was labor-intensive. From Wikipedia ![]() A traditional ground may be prepared with a rabbit skin glue solution pigmented withboneash, chalk and/or lead white. From Wikipedia ![]() Typicalboneashconsists of about 55.82% calcium oxide, 42.39% phosphorus pentoxide, and 1.79% water. From Wikipedia ![]() Historically, before technology allowed mineral-based extractions, white phosphorus was isolated on an industrial scale fromboneash. From Wikipedia ![]() Historically-important but limited commercial sources were organic, such asboneashand (in the latter 19th century) guano. From Wikipedia ![]() As a powder coating,boneashhas many unique characteristics. From Wikipedia ![]() The white color is achieved through the addition of an opacifier, e.g. tin dioxide orboneash. From Wikipedia ![]() In addition to the nutrients to be found in theboneash, the fact that the ash is dry and finely powdered makes it an excellent plant fertilizer. From Wikipedia ![]() Boneashcan be used alone as a fertilizer or it can be treated with sulfuric acid, which ultimately allows the fertilizer to permeate the soil better. From Wikipedia ![]() They used to be small vessels shaped in the form of an inverted truncated cone, made out of bone ashes. From Wikipedia ![]() These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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