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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20250818175816.0</controlfield>
  <controlfield tag="008">250818b2022    bl.mr|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="b">eng</subfield>
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    <subfield code="b">0336</subfield>
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    <subfield code="a">F03</subfield>
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    <subfield code="a">Cavalcante, Jerffeson A. </subfield>
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    <subfield code="a">Gadotti, Gizele I. </subfield>
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    <subfield code="a">Silva, Augusto H. M. da </subfield>
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    <subfield code="a">Ara&#xFA;jo, &#xC1;damo de S. </subfield>
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    <subfield code="a">Monteiro, Rita de C. M. </subfield>
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    <subfield code="a">Moraes, Dario M. de </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Development of an ethylometer with an MQ-3 sensor for measuring ethanol in soybean seeds</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 22 ref.; 4 illus; Sumaries (En, Pt)</subfield>
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ABSTRACT: In the seed production sector, it is essential to use fast and practical equipment to help decision-making processes. Thus, the use of sensors that can capture information to assist in agriculture has contributed significantly to soybean cultivation worldwide, being used in several stages, whether pre-harvest or post-harvest. Thus, this study aimed to develop a prototype of ethylometer with an MQ-3 sensor and to evaluate its stabilization time when used in soybean seed lots submitted to hypoxia. The research was carried out with 10 lots of soybean seeds from five cultivars (NS 8383 RR, SOY Peso RR, M 8372 IPRO, M8644 IPRO and M8808 IPRO) and was divided into two stages. The first one corresponds to the development of the ethanol measuring equipment with an MQ-3 sensor, and the second one to measurement of the sensor&#x2019;s stabilization time (3, 6, 9, 12, 15, 18, 21, 24, 27, and 30 s) in soybean seeds submitted to anaerobiosis. The equipment and the MQ-3 sensor showed the stability of average measurement at 16 s after activation. This time is recommended for use of the ethylometer in soybean seeds. Through the MQ-3 sensor, it is possible to efficiently detect ethanol present in the air released by soy seeds during the anaerobic process.

Key words: Glycine max L., anaerobiosis, alcohol measurement</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
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RESUMO: No setor de produ&#xE7;&#xE3;o de sementes, &#xE9; imprescind&#xED;vel o uso de equipamentos r&#xE1;pidos e pr&#xE1;ticos que auxiliem nos processos de tomada de decis&#xE3;o. Assim, o uso de sensores que podem capturar informa&#xE7;&#xF5;es para auxiliar na agricultura tem contribu&#xED;do significativamente para o cultivo da soja em todo o mundo, sendo utilizado em diversas etapas, seja em pr&#xE9; ou p&#xF3;s-colheita. Objetivou-se desenvolver um prot&#xF3;tipo de um etil&#xF4;metro com sensor MQ-3 e avaliar seu tempo de estabiliza&#xE7;&#xE3;o quando utilizado em lotes de sementes de soja submetidos &#xE0; hip&#xF3;xia. A pesquisa foi realizada com 10 lotes de sementes de soja, oriundas de cinco cultivares (NS 8383 RR, SOY Peso RR, M 8372 IPRO, M8644 IPRO e M8808 IPRO), a qual foi dividida em duas etapas, a primeira correspondendo ao desenvolvimento do equipamento de aferi&#xE7;&#xE3;o do etanol com o sensor MQ-3 e a segunda relacionada ao tempo de estabiliza&#xE7;&#xE3;o do sensor (3, 6, 9, 12, 15, 18, 21, 24, 27 e 30 s) em sementes de soja submetidas ao processo de anaerobiose. O equipamento, bem como o sensor MQ-3 apresentaram estabilidade de aferi&#xE7;&#xE3;o m&#xE9;dia aos 16 s ap&#xF3;s seu acionamento, sendo recomendado esse tempo para o uso do etil&#xF4;metro em sementes de soja. Por meio desse mesmo sensor MQ-3, &#xE9; poss&#xED;vel, com efici&#xEA;ncia, a detec&#xE7;&#xE3;o de etanol presente no ar liberado por sementes de soja durante o processo de anaerobiose.

Palavras-chave: Glycine max L., anaerobiose, medi&#xE7;&#xE3;o de &#xE1;lcool</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">SOJA</subfield>
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    <subfield code="a">SEMENTE</subfield>
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    <subfield code="a">EQUIPAMENTO AGR&#xCD;COLA</subfield>
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    <subfield code="a">SENSOR</subfield>
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    <subfield code="a">ENGENHARIA AGR&#xCD;COLA</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">3534</subfield>
    <subfield code="9">317821</subfield>
    <subfield code="d">Campina Grande-PB Universidade Federal de Campina Grande. Centro de Ci&#xEA;ncias e Tecnologia 1997</subfield>
    <subfield code="o">2024-4540</subfield>
    <subfield code="t">Revista Brasileira de Engenharia Agr&#xED;cola e Ambiental (Brazil)</subfield>
    <subfield code="x">1415-4366</subfield>
    <subfield code="g">v. 26 (5) p. 374-380; (2022)</subfield>
    <subfield code="w">BR2025003429</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://www.scielo.br/j/rbeaa/a/vFWkkD9rrMjwnhpQYTF5NKG/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">337674</subfield>
    <subfield code="d">337674</subfield>
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