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Chaudhary Charan Singh Haryana Agricultural University, Hisar

Chaudhary Charan Singh Haryana Agricultural University popularly known as HAU, is one of Asia's biggest agricultural universities, located at Hisar in the Indian state of Haryana. It is named after India's seventh Prime Minister, Chaudhary Charan Singh. It is a leader in agricultural research in India and contributed significantly to Green Revolution and White Revolution in India in the 1960s and 70s. It has a very large campus and has several research centres throughout the state. It won the Indian Council of Agricultural Research's Award for the Best Institute in 1997. HAU was initially a campus of Punjab Agricultural University, Ludhiana. After the formation of Haryana in 1966, it became an autonomous institution on February 2, 1970 through a Presidential Ordinance, later ratified as Haryana and Punjab Agricultural Universities Act, 1970, passed by the Lok Sabha on March 29, 1970. A. L. Fletcher, the first Vice-Chancellor of the university, was instrumental in its initial growth.

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Subject: Physics × Author: Meena × Start date: 1990 ×
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    ThesisItemOpen Access
    Study on temperature dependent dielectric properties of edible oils for quality assessment
    (CCS HAU, Hisar, 2022-07-22) Meena; Paul Singh
    Edible oils adulteration has remained a global issue for years. Being an essential element of our daily diet, quality assessment of edible oils has become necessary. The present work focuses on use of dielectric properties for quality assessment of edible oils. The dielectric properties of edible oils (groundnut, mustard, sunflower and sesame) such as dielectric constant and electrical conductivity were investigated in a frequency range between 900 to 2700 MHz by using a dielectric assessment kit (DAK). With increase in palm oil adulteration, the dielectric constant of groundnut and mustard oil increased while for sunflower and sesame oil, it slightly decreased. For all the oil samples, electrical conductivity showed a slight change with increase in palm oil adulteration. The dielectric constant and electrical conductivity of oils were also analysed at different temperatures and at repetitive heating cycles. Both dielectric constant and electrical conductivity increased with increase in temperature and number of repetitive heating cycles.