期刊名称：Croatian Journal of Food Technology, Biotechnology and Nutrition
印刷版ISSN：1847-3423
电子版ISSN：1847-7461
出版年度：2010
卷号：5
期号：1-2
页码：31-37
出版社：Hrvatsko društvo prehrambenih tehnologa, biotehnologa i nutricionista
摘要：In order to achieve precise and clear definitions of possible flaws, imperfections in packaging materials, low intensity ultrasound is the basic applied technique. The most useful applications of low intensity ultrasound are for detection of foreign bodies, damages and holes inside of the packaging materials. Ultrasound is mechanical vibration similar to audible sound. Diagnostic investigations were performed in frequency range between 1MHz – 30MHz with low intensity ( connecting places of packaging materials.
