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"Hardness" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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The mechanical property of material that determines its resistance to force. HARDNESS TESTS measure this property.

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This graph shows the total number of publications written about "Hardness" by people in this website by year, and whether "Hardness" was a major or minor topic of these publications.
Bar chart showing 7 publications over 6 distinct years, with a maximum of 2 publications in 2020
To see the data from this visualization as text, click here.