- natural hardness
-
первичная твердость
Англо-русский словарь терминов металлургии и сварки. 2011.
Англо-русский словарь терминов металлургии и сварки. 2011.
Natural History (Pliny) — Naturalis Historia, 1669 edition, title page. The title at the top reads: Volume I of the Natural History of Gaius Plinius Secundus. The Natural History (Latin: Naturalis Historia) is an encyclopedia published circa AD 77–79 by Pliny the… … Wikipedia
Hardness of prominent abrasive materials — ▪ Table Hardness of prominent abrasive materials abrasive materials hardness Mohs scale (Mohs hardness) Vickers scale (Vickers hardness) Knoop scale (Knoop hardness) Natural abrasives industrial diamond 10 10,000 8,000 corundum 9 2,200 1,600… … Universalium
Natural proof — In computational complexity theory, a natural proof is a certain kind of proof establishing that one complexity class differs from another one. While these proofs are in some sense natural , it can be shown (assuming a widely believed conjecture… … Wikipedia
Natural fats — Fat Fat, n. 1. (Physiol. Chem.) An oily liquid or greasy substance making up the main bulk of the adipose tissue of animals, and widely distributed in the seeds of plants. See {Adipose tissue}, under {Adipose}. [1913 Webster] Note: Animal fats… … The Collaborative International Dictionary of English
Mohs scale of mineral hardness — The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs and… … Wikipedia
Horseshoe — For other uses, see Horseshoe (disambiguation). Modern horseshoes are most commonly made of steel and nailed into the hoof wall … Wikipedia
Marginated Tortoise — Taxobox name = Marginated Tortoise status = LR/lc | status system = IUCN2.3 image width = 240px image caption = Sardinian Marginated Tortoise Testudo marginata sarda regnum = Animalia phylum = Chordata classis = Sauropsida ordo = Testudines… … Wikipedia
Marginated tortoise — Sardinian marginated tortoise Testudo marginata sarda Conservation status … Wikipedia
Diamond — This article is about the mineral. For the gemstone, see Diamond (gemstone). For other uses, including the shape ◊, see Diamond (disambiguation) … Wikipedia
Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… … Wikipedia
Material properties of diamond — This article addresses the material properties of diamond. For a broader discussion of diamonds, see diamond. For other uses of the word diamond, see diamond (disambiguation). Diamond An octahedral diamond crystal in matrix Gener … Wikipedia