Sound broadcasting digital. Coding of signals of sound broadcasting with reduction of redundancy for transfer on digital communication channels. A part III (MPEG-4 audio). Main positions MPEG-1/2 Audio in MPEG-4
State system for ensuring the uniformity of measurements. Instruments of measurement of characteristic of artificial and natural radiation for safeting of museum exhibits. Verification procedure
Products cosmetic. Cosmetics. Detection and determination of N-nitrosodiethanolamine (NDELA) by liquid chromatography-tandem mass spectrometry (HPLC-MS-MS)