Perm (unit)
id:
perm-unit-245-418273
title:
Perm (unit)
text:
A perm is a unit of permeance or "water vapor transmission" given a certain differential in partial pressures on either side of a material or membrane.
brand slug:
wiki
category slug:
encyclopedia
description:
Unit of permeance
original url:
https://en.wikipedia.org/wiki/Perm_(unit)
date created:
date modified:
2023-11-17T06:52:37Z
main entity:
{"identifier":"Q7169176","url":"https://www.wikidata.org/entity/Q7169176"}
image:
fields total:
13
integrity:
14