- alkali stability
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English-Russian perfumery & beauty care dictionary. 2014.
English-Russian perfumery & beauty care dictionary. 2014.
alkali metal — Chem. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. [1880 85] * * * Any of the six chemical elements in the leftmost group of the periodic table (lithium,… … Universalium
Alkali metal — Group → 1 ↓ Period 2 3 Li 3 … Wikipedia
Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal … Wikipedia
Ununoctium — ununseptium ← ununoctium → ununennium Rn ↑ Uuo ↓ (Uho) … Wikipedia
art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… … Universalium
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Ununhexium — ununpentium ← ununhexium → ununseptium Po ↑ Uuh ↓ (Uhh) … Wikipedia
Rhenium — tungsten ← rhenium → osmium Tc ↑ Re ↓ Bh … Wikipedia
Nafion — Identifiers CAS number 66796 30 3 … Wikipedia
cluster — clusteringly, adv. clustery, adj. /klus teuhr/, n. 1. a number of things of the same kind, growing or held together; a bunch: a cluster of grapes. 2. a group of things or persons close together: There was a cluster of tourists at the gate. 3. U.S … Universalium
Dealkalization — is a process of surface modification applicable to glasses containing alkali ions, wherein a thin surface layer is created that has a lower concentration of alkali ions than is present in the underlying, bulk glass. This change in surface… … Wikipedia