STATUS AND PROSPECT OF HYGENIC SAFETY RESEARCH AND STANDARD OF IRRADIATED FOOD THE CHANGESDF ULTRA-WEAK CHEMILUMINESCENCE OF IRRADIATED MATERIALS THE INFLUENCE OF IRRADIATEDWHEAT ON LONGEVITY AND REPRODUCTIONOF THE GRAIN WEEVIL Sitophilus granarius LINNE 1758 IDENTIFICATION OF IRRADIATED FOODSTUFFS AND SPICES