<?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>2223-4861</journal-id>
<journal-title><![CDATA[Centro Azúcar]]></journal-title>
<abbrev-journal-title><![CDATA[cen. az.]]></abbrev-journal-title>
<issn>2223-4861</issn>
<publisher>
<publisher-name><![CDATA[Editorial Feijóo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2223-48612021000300075</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[PLANES EXPERIMENTALES PARA MEDIR LA INCIDENCIA DE VARIABLES TECNOLÓGICAS EN LOS INDICADORES DE UNA INVERSIÓN]]></article-title>
<article-title xml:lang="en"><![CDATA[EXPERIMENTAL PLANS TO MEASURE THE INCIDENCE OF TECHNOLOGICAL VARIABLES IN THE INDICATORS OF AN INVESTMENT]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alemán Hurtado]]></surname>
<given-names><![CDATA[Lester A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mamady Toure]]></surname>
<given-names><![CDATA[Binko]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fleites Avila]]></surname>
<given-names><![CDATA[Yoelvis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Albernas Carvajal]]></surname>
<given-names><![CDATA[Yailet]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Suárez]]></surname>
<given-names><![CDATA[Erenio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Empresa Refinería de Petróleo &#8220;Sergio Soto Valdés&#8221; de Cabaiguán  ]]></institution>
<addr-line><![CDATA[Cabaiguán Sancti Spíritus]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Conakri Departamento de Informática ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>República de Guinea</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Central &#8220;Marta Abreu&#8221; de Las Villas Facultad de Química y Farmacia Departamento de Ingeniería Química]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>48</volume>
<numero>3</numero>
<fpage>75</fpage>
<lpage>87</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612021000300075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612021000300075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612021000300075&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: Como la incertidumbre incide en los indicadores económicos de las instalaciones una vez hecha la inversión, se propone cuantificar cada variable tecnológica, con ayuda de diseños experimentales para trabajar en minimizarla.  Objetivo: Anticipar con rapidez los impactos de la incertidumbre en las variables tecnológicas del diseño de una instalación industrial para definir la estrategia investigativa para introducir la tecnología.  Materiales y Métodos: Mediante el conocimiento de una tecnología, se realizaron ensayos teóricos para medir la incidencia de las variables del proceso, en indicadores económicos de seis variantes tecnológicas. Debido al alto número de variables independientes se utilizó una combinación de diseños factoriales parciales para medir la sensibilidad de los indicadores a la desviación de las variables.  Resultados y Discusión: De los resultados de costo por litro de etanol y por peso de producción, se determinaron mediante el diseño de Plackett - Bürman, la significación de los coeficientes de las variables para las seis variantes. Descartando las variables no significativas, y reducidos los diseños a factoriales parciales, se identifica la significación de las variables como medida de la incertidumbre y cuales deben investigarse para resolver los problemas que limitan la introducción de las tecnologías.  Conclusiones: Aplicando diseños factoriales parciales se definió, con mínimo trabajo experimental, la significación de variables incidentes en los indicadores económicos de las variantes tecnológicas, permitiendo trazar políticas de investigación a fin de minimizar gastos asociados a la tecnología.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: As uncertainty affects the facilities economic indicators once the investment has been made, it is proposed to quantify it using experimental designs, in those, each technological variable was minimized.  Objective: To anticipate quickly the uncertainty impacts in technological variables on an industrial facility design in order to define the research strategy to introduce a technology.  Materials and Methods: By means of technology knowledge, theoretical tests were carried out to measure the process variables incidence in economic indicators of six technological variants. Due to the high number of independent variables, a combination of partial factorial designs was used to measure the indicators sensitivity to variables deviation.  Results and Discussion: From the results of cost per liter of ethanol and production weight, the variables coefficients significance for the six variants was determined using the Plackett-Bürman design. Discarding the non-significant variables, and reducing the designs to partial factorials, the variables significance is identified as a measure of uncertainty and which ones should be investigated to solve the problems that limit the introduction of technologies.  Conclusions: Applying partial factorial designs, the significance of incident variables in the economic indicators for technological variants was defined, with minimal experimental work, allowing the design of research policies in order to minimize expenses associated with technology.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[diseños experimentales]]></kwd>
<kwd lng="es"><![CDATA[incertidumbre]]></kwd>
<kwd lng="es"><![CDATA[indicadores económicos]]></kwd>
<kwd lng="es"><![CDATA[inversión]]></kwd>
<kwd lng="es"><![CDATA[tecnología]]></kwd>
<kwd lng="en"><![CDATA[experimental designs]]></kwd>
<kwd lng="en"><![CDATA[uncertainty]]></kwd>
<kwd lng="en"><![CDATA[economic indicators]]></kwd>
<kwd lng="en"><![CDATA[investment]]></kwd>
<kwd lng="en"><![CDATA[technology]]></kwd>
</kwd-group>
</article-meta>
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