ZR-1630 meriri aha nke "nkenke 28.3LPM Particle Counter"!
N'ọnwa Febụwarị 2022, a na-eme nnwale ntụnyere uru nke "ntụgharị uzuzu uzuzu" na China. Ndị kọmitii nka nka nke China Environmental stoichiometry na Shanghai Insti haziri mmemme a.