- absolute hardness
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истинная твердость
Англо-русский словарь терминов металлургии и сварки. 2011.
Англо-русский словарь терминов металлургии и сварки. 2011.
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
HSAB theory — The HSAB concept is an acronym for hard and soft (Lewis) acids and bases. Also known as the Pearson acid base concept, HSAB is widely used in chemistry for explaining stability of compounds, reaction mechanisms and pathways. It assigns the terms… … Wikipedia
Teoría ácido-base duro-blando — La teoría ácido base duro blando, también conocida como teoría ABDB, concepto ácido base de Pearson, teoría HSAB (por sus siglas en inglés) es un modelo ampliamente utilizado en química para explicar la estabilidad de los compuestos y mecanismos… … Wikipedia Español
Principe HSAB — Le principe HSAB, aussi connu sous le nom théorie HSAB ou concept acide base de Pearson, est très utilisé en chimie pour expliquer la stabilité des composés, les vitesses des réactions, etc. HSAB est l’acronyme de Hard and Soft Acids and Bases… … Wikipédia en Français
Electronegativity — This electrostatic potential map shows how the oxygen atom has a more negative charge than the hydrogen atoms. Electronegativity, symbol χ (the Greek letter chi), is a chemical property that describes the tendency of an atom or a functional group … Wikipedia
Atheneite — is a rare metallic compound commonly associated with palladium–gold deposits. It was discovered in 1974 by A.M. Clark, A.J. Criddle, and E.E. Fejer in the Minas Gerais mine in the town of Itabira, Brazil (Clark, 1974). Atheneite was also found in … Wikipedia
Goodfellas — Infobox Film name = Goodfellas image size = caption = Theatrical Release Poster director = Martin Scorsese producer = Irwin Winkler writer = Nicholas Pileggi Martin Scorsese narrator = Ray Liotta Lorraine Bracco starring = Ray Liotta Robert De… … Wikipedia
Le Sage's theory of gravitation — is the most common name for the kinetic theory of gravity originally proposed by Nicolas Fatio de Duillier in 1690 and later by Georges Louis Le Sage in 1748. The theory proposed a mechanical explanation for Newton s gravitational force in terms… … Wikipedia
AUERBACH — GERMANY (see also List of Individuals) 12.11.1856 Breslau/D 26.2.1933 Jena/D Felix Auerbach began his studies with Hermann von Helmholtz (1821 1894) and Gustav Robert Kirchhoff (1824 1887) with only sixteen years and received his title Dr.phil.… … Hydraulicians in Europe 1800-2000
Science and British philosophy: Boyle and Newton — G.A.J.Rogers INTRODUCTION Achievements in the natural sciences in the period from Nicholas Copernicus (1473– 1543) to the death of Isaac Newton (1642–1727) changed our whole understanding of the nature of the universe and of the ways in which we… … History of philosophy
Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) … Wikipedia