JJF 1815-2020 Calibration Specification for Class ll Biosafety Cabinets Biosafety cabinet (BSC) ndi kabati yoyipa yosefera ndi mpweya wabwino, yomwe ingalepheretse wogwiritsa ntchito ndi ...
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 ...