Microbiology of food and animal feeding stuffs. Polymerase chain reaction (PCR) for the detection of food-borne pathogens. Requirements for amplification and detection for qualitative methods
Noise of machine. Determination of power levels of noise sources using sound pressure. Survey method using an enveloping measurement surface over a reflecting plane
State system for ensuring the uniformity of measurements. Low power SHF wattmeters and their primary measuring transformers of frequency range 0,03-78.33 GHz. Verification means and methods
