<?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>2224-5421</journal-id>
<journal-title><![CDATA[Revista Cubana de Química]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cub Quim]]></abbrev-journal-title>
<issn>2224-5421</issn>
<publisher>
<publisher-name><![CDATA[Ediciones UO, Universidad de Oriente]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2224-54212019000100081</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Contribuciones cubanas al empleo del dihidrógeno como fuente de energía renovable]]></article-title>
<article-title xml:lang="en"><![CDATA[Cuban contributions to the development of hydrogen as renewable energy source]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-López]]></surname>
<given-names><![CDATA[Noeldris]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de La Habana Facultad de Química ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<volume>31</volume>
<numero>1</numero>
<fpage>81</fpage>
<lpage>94</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2224-54212019000100081&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2224-54212019000100081&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2224-54212019000100081&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El impacto negativo generado por el sistema energético vigente, exige la concepción de un nuevo modelo que minimice los daños al medio ambiente. Con este propósito en las últimas décadas se han concentrado importantes recursos para la investigación y el desarrollo de fuentes renovables de energía. Entre ellos el dihidrógeno (H2) ha recibido especial atención, como vector energético capaz de cumplir una función similar a la que en nuestros días cumple el petróleo. El presente trabajo resume las principales contribuciones de investigadores e instituciones cubanas al desarrollo de esta fuente energética, resaltando los aportes nacionales en función de adecuar la producción, el almacenamiento y el consumo de dihidrógeno a las condiciones existentes en nuestro país. El análisis de los resultados alcanzados hasta fecha, sugiere la necesidad de estrechar los vínculos entre la industria básica y la academia para mantener una vigilancia tecnológica activa respecto al avance de este sector energético.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Faced with the need to replace fossil fuels, hydrogen has been considered a promising secondary source of clean energy. This work summarizes the main Cuban contributions to the development of this energy source, highlighting the national alternatives to adapt its production and consumption to the existing conditions in our country. The analysis of the results reached up to date, suggests the need to enhance the links between the basic industry and the academy to support a technological active vigilance with regard to the advance of this energetic vector.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[dihidrógeno]]></kwd>
<kwd lng="es"><![CDATA[energía renovable]]></kwd>
<kwd lng="es"><![CDATA[contribuciones cubanas]]></kwd>
<kwd lng="en"><![CDATA[hydrogen]]></kwd>
<kwd lng="en"><![CDATA[renewable energy]]></kwd>
<kwd lng="en"><![CDATA[Cuba's contribution]]></kwd>
</kwd-group>
</article-meta>
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<label>32</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DE SILVA]]></surname>
<given-names><![CDATA[T.S.]]></given-names>
</name>
<name>
<surname><![CDATA[SENEVIRATHNE]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[WARNASOORIYA]]></surname>
<given-names><![CDATA[T.D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[HHO Generator &#8220;An Approach to Increase Fuel Efficiency in Spark Ignition Engines]]></article-title>
<source><![CDATA[European Journal of Advances in Engineering and Technology]]></source>
<year>2015</year>
<volume>2</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1-7</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
