Look up hardness in Wiktionary, the free dictionary.
Hardness may refer to: Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ...
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Category: Disambiguation The tern hard matter is often used to refer to matter that exhibits high resistance to pressure and deformation. ... The Materials Science Tetrahedron, which often also includes Characterization at the center Materials science is an interdisciplinary field involving the properties of matter and its applications to various areas of science and engineering. ... In materials science, hardness is the characteristic of a solid material expressing its resistance to permanent deformation. ... Hard water water that has a high mineral content (water with a low mineral content is known as soft water). ... As a branch of the theory of computation in computer science, computational complexity theory describes the scalability of algorithms, and the inherent difficulty in providing scalable algorithms for specific computational problems. ... Image File history File links Disambig_gray. ...
Hardness has a direct affect on the cellular functions of fish, plants and microorganisms and although fish from hard water areas do not seem to suffer from softer than natural conditions the reverse does not apply.
Hardness is expressed in degrees but the units differ form country to country and test kit measurements vary depending on whether total hardness or carbonatehardness is being determined.
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