ppb - part per billion - a unit for measuring the concentration of a gas or vapour in air -- parts (by volume) of the gas or vapour in a billion parts of air. Usually used to express measurements of extremely low concentrations of unusually toxic gases or vapours.

miljardik mahuosa

Usage examples

Näiteks merevees, milles Hg foon on alla 0,1 ppb (ppb="parts per billion" - miljardik osa) - s. o. looduslik, elutsevate kalade koes võib kontsentratsioon ületada 0,5 ppm (ppm - miljondik osa).

parts per billion by volume

Usage examples

They are expressed as a cumulative exposure over a threshold ozone concentration of 40 ppb (parts per billion by volume).

ppb abbreviation

Metroloogia terminibaas

ID 572464 Last modified 09.08.2024

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Domain metrologyunits of measurement

ppb deprecated

inglise keele alusel tuletatud ühiku parts per billion tähis

symbol of unit with name parts per billion

ppb deprecated abbreviation

Good to know

Kasutamiseks mittesoovitatav tähis.

ppb deprecated abbreviation

Metroloogia terminibaas

ID 572032 Last modified 09.08.2024

View dataset

Domain metrologyunits of measurement

miljardikosa deprecated

parts per billion deprecated

ppb deprecated

ingliskeelsetest sõnadest „parts per billion“ tuletatud ühik

per unit

miljardikosa deprecated

Good to know

Seda ühikut ei tohiks kasutada, kuna on tuletatud keelelisel alusel.

parts per billion deprecated

ppb deprecated abbreviation

in the EU's IATE term base

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ppb

EKI Combined Dictionary 2026

Meanings

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Metroloogia terminibaas

Metroloogia terminibaas

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