Việt
nồng độ số hạt <h>
Anh
particle number concentration
number concentration
particle count
particle-count concentration
Đức
Teilchenzahlkonzentration
Konzentration
Pháp
concentration numérique
Konzentration,Teilchenzahlkonzentration /INDUSTRY-CHEM/
[DE] Konzentration; Teilchenzahlkonzentration
[EN] number concentration; particle count; particle number concentration; particle-count concentration
[FR] concentration numérique
[EN] particle number concentration
[VI] nồng độ số hạt < h>