Mu February 2022, kuyesa kuyerekezera mtengo kwa "fust particle counter" kunachitika ku China. Ntchitoyi idakonzedwa ndi China Environmental stoichiometry Technical Committee ndi Shanghai Insti ...
Kuti muzindikire kutuluka kwa HEPA Fyuluta, imadziwika bwino kugwiritsa ntchito aerosol photometer poyesa. Lero, Titenga ZR-6012 Aerosol Photometer monga chitsanzo kuti tidziwitse mfundo yodziwira ...