Measurement bridge for large grain moisture content determination
نویسندگان
چکیده
منابع مشابه
Determination of Moisture Content
Drying: moisture measurement at the end of drying is essential to follow up drying course and to decide whether it is achieved or not. On one hand, too long a drying course may have bad consequences for quality and food safety because of unexpected fermentations and mould growth. On the other hand, the next step in the process is storage. Also, drying to a too low moisture content can result in...
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Spectral analysis is widely used for moisture determination in food. However, some types of food being composed of a number of different chemical constituents pose problems for accurate measurement of moisture due to shifts of peak spectral response and changes in peak spectral responses in the absorption bands. We investigate specific changes in spectral response to point out the spectral band...
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A brief history of cereal grain moisture measurement by sensing the electrical properties of grain is presented. The basic principles are also described for using radio-frequency (RF) and microwave dielectric properties, or permittivity, of grain for sensing moisture through their correlation with moisture content. The development of density-independent functions of the permittivity is explaine...
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Conventional techniques for the determination of moisture content in grain often use small static samples to represent several tons of material, A more desirable alternative would be a method which utilizes continuous dynamic moisture measurement of the grain. The potential for making density-independent moisture content measurements in both static and flowing grain using microwave frequencies ...
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A technique based on microwave sensing technologies has been developed which provides a means of estimating the average moisture content across a stack of timber during kiln drying. The microwave sensor, which comprises of a linear array of slots excited from both ends, was developed and trialed under a range of standard commercial kiln drying schedules using 100mm x 50mm Pinus radiata sample b...
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ژورنال
عنوان ژورنال: Poljoprivredna tehnika
سال: 2020
ISSN: 0554-5587,2406-1123
DOI: 10.5937/poljteh2002079a