We use Hitachi 850 Fluorescence Spectrophotometer to compare IE structured water with pure water. We have measured five different properties: dielectric constants; the electromotive force (emf) using two identical electrodes; resistivity; fluorescence; stability as a function of temperature. The moisture content of the samples was increased by flooding method in distilled water in variable time (5–25 min) to obtain 5 levels of moisture (Khoshtaghaza & Mehdizadeh, 2006). Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username, Schematic diagram of cylindrical capacitive sensor used for seed moisture content determination, Voltage divider circuit used for capacitance measurement, Block diagram of instrument for measuring the dielectric constant of wheat seeds and straw, The capacitance of a cylindrical capacitor can be calculated by Equation (, The equivalent circuit of capacitive sensor, If the ratio of air gap volume to the total volume of capacitor that was filled by the material (wheat and straw) is defined as the porosity (, The moisture content of samples was calculated on dry basis using Equation (, Change of dielectric constant versus 4 levels of moisture content for (a) Chamran variety, (b) Mehregan variety, and (c) wheat cluster straw, By continuing to browse this site, you agree to its use of cookies as described in our, orcid.org/https://orcid.org/0000-0003-0948-3005, orcid.org/https://orcid.org/0000-0003-1951-1604, I have read and accept the Wiley Online Library Terms and Conditions of Use, Postharvest technology: Dielectric properties of parchment coffee, A new method for the rapid estimation of water in wheat, Wheat moisture measurement with a fringing field capacitive sensor, 2008 Annual international meeting, Providence, Rhode Island, June 29–July 2, 2008, Quantification of trichothecene‐producing Fusarium species in harvested grain by competitive PCR to determine efficacies of fungicides against, Frequency, moisture, temperature, and density‐dependent dielectric properties of wheat straw, Measurement of the electrical properties of spelled grains–, Aerodynamic properties of wheat kernel and straw materials, Sensing moisture content of cereal grains with radio‐freequency measurements‐a review, he third international symposium on humidity and moisture, Dielectric properties of grain and seed in the 1 to 50‐mc range, Fundamentals of dielectric properties measurements and agricultural applications, Measuring frequency‐and temperature‐dependent dielectric properties of food materials, Dielectric spectroscopy of watermelons for quality sensing, Principles of grain and seed moisture sensing through radio‐frequency and microwave dielectric properties, Microwave density–independent permittivity functions as soybean seeds' moisture calibrators: A new approach, Predicting quality parameters of shell eggs using a simple technique based on the dielectric properties, Determination of dielectric properties of corn seeds from 1 to 100 MHz, Design, development and calibration of a portable capacitive moisture meter, Moisture‐dependent dielectric properties of pea and black‐eyed pea, Prediction of banana quality during ripening stage using capacitance sensing system, A microwave method for on‐line determination of bulk density and moisture content of particulate materials, Microwave nondestructive sensing of moisture content in shelled peanuts independent of bulk density and with temperature compensation. I recently discovered by some searching that distilled water has an extremely dielectric constant of around 80 i.e: 80 kV/mm. 1.0). The value obtained for the dielectric constant is ε=78.57 at 25°C and is independent of the period within the above range of periods. The dielectric properties of food and agricultural products are basically used to describe the thermal behavior of materials when exposed to high‐frequency electrical fields in dielectric thermal processes and the development of appropriate techniques for the rapid moisture content determination of agricultural products (Nelson & Bartley, 2000). Results of the analysis of variance show that the dielectric constant in both wheat grain cultivars had a significant difference in 1% level, and this difference was most significant between grains and cluster straw. Trabelsi, Nelson, and Lewis (2009) measured the dielectric properties of shelled peanuts to estimate its moisture content. High Voltage The moisture content of particles directly influences their electrical properties. The data fit the equation E= 87. The practical experiments of this research were carried out in the Laboratory of physics department of Lorestan University, Khorramabad, Iran, and the authors are thankful to Prof. R. Sepahvand and the members of the laboratory for their contributions to the experiments of the laboratory for their contributions to the experiments.


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