(hydrogen ion concentration)
1hydrogen ion concentration — hydrogen ion concentration. См. водородный показатель. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …
2hydrogen ion concentration — pH (a measure of how acidic or alkaline a solution is, i.e. the concentration of hydrogen ions in a solution (log to base 10 of the reciprocal of the hydrogen ion concentration). pH 7.0 is neutral, lower values are acidic and higher values are… …
3hydrogen-ion concentration — noun : the concentration of hydrogen ions in a solution expressed usually in moles per liter or in pH units and used as a measure of the acidity of the solution indicator dyes for narrow ranges of hydrogen ion concentration …
4hydrogen ion concentration — noun the number of moles of hydrogen ion in a litre of solution; a measure of the acidity or alkalinity of a solution. See pH …
5hydrogen ion concentration — the degree of concentration of hydrogen ions in a solution; it is inversely related to the pH of the solution by the equation [H+] = 10−pH …
6hydrogen ion concentration — noun the number of moles of hydrogen ions per cubic decimeter • Hypernyms: ↑concentration • Hyponyms: ↑pH, ↑pH scale …
7hydrogen ion — ionized hydrogen of the form H+, found in aqueous solutions of all acids. [1895 1900] * * * ▪ chemistry strictly, the nucleus of a hydrogen atom separated from its accompanying electron. The hydrogen nucleus is made up of a particle… …
8hydrogen exponent — The decadic logarithm of the hydrogen ion concentration in blood or other fluid; its negative is the pH of that fluid …
9Hydrogen sulfide — Systematic name …
10Hydrogen cyanide — IUPAC name …
