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|標題:||Evaluation of ultrasonic propagation to measure sugar content and viscosity of reconstituted orange juice|
|期刊/報告no：:||Journal of Food Engineering, Volume 86, Issue 1, Page(s) 84-90.|
|摘要:||This paper describes the application of a non-contact ultrasonic system to measure the sugar content and viscosity of reconstituted orange juice. The system, which operates in either pulse-echo (PE) or transmission-through (TT) mode, detects the above two factors using responsive velocity of ultrasound and power attenuation. Experimental results of both modes show that the power attenuation is ineffective for such a purpose, and that the velocity of ultrasound tends to respond linearly to sugar content and exponentially to viscosity. The velocity exhibits a high linear correlation with Brix in orange juice, r = 0.994 in PE mode. (c) 2007 Elsevier Ltd. All rights reserved.|
|Appears in Collections:||期刊論文|
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