impureté

женский род

Терминологические словари

ID 695147 Последнее изменение 03.05.2017

Домен Electrical Engineeringsemiconductors

lisand

impurity

impureté

foreign atoms in a single-element semiconductor
foreign atoms or either an excess or a deficiency of atoms with respect to the stochiometric composition of a compound semiconductor
small proportion of foreign matter, eg arsenic, boron, phosphorus etc. added to a pure semiconductor, eg silicon to obtain the required type of conduction and conductivity of diodes, transistors and other solid-state devices

lisand

impurity

impureté

женский род

ID 736936 Последнее изменение 03.05.2017

Домен Chemistry

lisand

saasteaine

impurity

impureté

Verunreinigung

epäpuhtaus

Это интересно

Toodetud aines esinev tahtmatu koostisosa. See võib pärineda näiteks lähtematerjalidest või olla sekundaarsete või puudulike reaktsioonide tulemus tootmisprotsessi käigus. Kuna see esineb lõppaines, ei ole seda tahtlikult lisatud. Enamikul juhtudel moodustavad lisandid alla 10% ainest.
It may, for example, originate from the starting materials or be the result of secondary or incomplete reactions during the production process. While it is present in the final substance, it was not intentionally added. In most cases impurities constitute less than 10% of the substance.

lisand

saasteaine

impurity

Примеры

For the purposes of this Regulation, the following definitions shall apply: ... (b) ‘substance’ means a chemical element and its compounds in the natural state or obtained by any manufacturing process, including any additive necessary to preserve its stability and any impurity deriving from the process used but excluding any solvent which may be separated without affecting the stability of the substance or changing its composition;

impureté

женский род

Verunreinigung

epäpuhtaus