<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1680-0338</journal-id>
<journal-title><![CDATA[Ingeniería Hidráulica y Ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. hidrául. ambient.]]></abbrev-journal-title>
<issn>1680-0338</issn>
<publisher>
<publisher-name><![CDATA[Centro de Investigaciones Hidráulicas (CIH). Facultad de Ingeniería Civil. Universidad Tecnológica de La Habana "José A. Hecheverría" CUJAE]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1680-03382022000400076</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efectos del campo magnético en la dureza total, calor específico y punto de ebullición del agua]]></article-title>
<article-title xml:lang="en"><![CDATA[Effects of the magnetic field on the total hardness, specific heat and boiling point of water]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vaillant López]]></surname>
<given-names><![CDATA[Nuria de los Ángeles]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carreras Fernández]]></surname>
<given-names><![CDATA[Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ribeaux Kindelán]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Tecnológica de La Habana José Antonio Echeverría (CUJAE) Centro de Investigaciones Hidráulicas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Oriente Centro de Electromagnetismo Aplicado(CNEA) ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>43</volume>
<numero>4</numero>
<fpage>76</fpage>
<lpage>87</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1680-03382022000400076&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1680-03382022000400076&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1680-03382022000400076&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Para examinar el efecto del tratamiento magnético (TM), en la dureza total (DT), punto de ebullición (PE) y capacidad de conservación de calor (CC) del agua de la fuente ¨Cosculluela¨, de La Habana, las muestras fueron sometidas a un campo magnético (CM) generado por imanes permanentes, marca NOVAMAG, para tres valores de intensidad de CM (325 mT, 268 mT y 2 17 mT), velocidad de circulación 0,073m/s, tres tiempos de exposición (1.09 s, 2.18 s, 3.27 s) y temperatura ambiente (22 ± 1°C). Se obtuvieron variaciones en la DT, el PE y la CC de las muestras con TM. En cuanto a la memoria magnética, en los periodos de 48h y 72h se mantuvieron los efectos provocados por el CM para el PE y la CC, no así para DT.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT To examine the effect of the magnetic treatment (MT), in the total hardness (TH), point of boil (PB) and capacity of conservation of heat (CC) of the water of the source ¨Cosculluela¨, of Havana, the samples were subjected to a magnetic field (MC) generated by permanent imams, NOVAMAG marks, for three values of intensity of MC (325 mT, 268 mT y 2 17 mT), speed of circulation of 0,073 m/s, three times of exhibition (1,09s, 2.18s, 3.27s) and ambient temperature (22 ±1°C). Variations were obtained in the TH, the PB and the CC of the samples with MT. As for the magnetic memory, in the periods of 48h and 72h they stayed the effects caused by the MC for the Pb and the CC but didn't for the TH.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[conservación de calor]]></kwd>
<kwd lng="es"><![CDATA[dureza total]]></kwd>
<kwd lng="es"><![CDATA[memoria magnética]]></kwd>
<kwd lng="es"><![CDATA[punto de ebullición]]></kwd>
<kwd lng="es"><![CDATA[tratamiento magnético]]></kwd>
<kwd lng="en"><![CDATA[heat conservation]]></kwd>
<kwd lng="en"><![CDATA[total hardness]]></kwd>
<kwd lng="en"><![CDATA[magnetic memory]]></kwd>
<kwd lng="en"><![CDATA[boiling point]]></kwd>
<kwd lng="en"><![CDATA[magnetic treatment]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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