Resumen
Este estudio bibliométrico se centra en la literatura sobre RS (“Social Responsibility”)... more Resumen
Este estudio bibliométrico se centra en la literatura sobre RS (“Social Responsibility”) y consumidor o cliente, indexada en todas las bases de datos de WOS (Web of Science) durante los últimos 14 años (2002-2016). La revisión muestra que 2.546 trabajos han sido orientados al estudio del tema. Así mismo en el trabajo se presenta un análisis sobre la evolución de la responsabilidad social empresarial, la estructura del consumo; y el papel económico de los consumidores.
Palabras clave: responsabilidad social empresarial; consumidor; análisis de concurrencia y técnicas bibliométricas.
El tema de la Responsabilidad Social Empresarial (RSE) en México es incipiente, escaso y confuso ... more El tema de la Responsabilidad Social Empresarial (RSE) en México es incipiente, escaso y confuso por parte de la alta dirección ejecutiva y por parte de los consumidores (stakeholders), sin los cuales las empresas dejarían de existir. El estudio empírico aporta evidencias preliminares sobre la percepción de los consumidores ante la actuación de las empresas socialmente responsables por medio de criterios establecidos que describen la RSE, dirigido a estudiantes universitarios de
The removal of phenols from aqueous solutions by crosslinked b-cyclodextrin polymers has been stu... more The removal of phenols from aqueous solutions by crosslinked b-cyclodextrin polymers has been studied. For cresols, the position of the methyl group influences the interaction with cyclodextrin polymers crosslinked with epichlorohydrin, being p-cresol the most adsorbed one. The isosteric heat of adsorption is almost constant with the surface coverage in the case of phenol, but varies for the cresols. When compared with other typical sorbents used to extract phenol from water (activated carbon, the macroporous resin Lewatit OC 1064, and calcium alginate), cyclodextrin polymers crosslinked with different reagents (epichlorohydrin, succinyl chloride and two diisocyanates) show high sorption capacities, especially at high phenol concentrations.
Crosslinked polymers containing β-cyclodextrin units have been used to remove dibenzofuran and th... more Crosslinked polymers containing β-cyclodextrin units have been used to remove dibenzofuran and three of its derivatives from aqueous solutions close to their saturation concentrations. The temperature dependence behavior for the compounds analyzed shows significant differences, attributable both to the influence of the polarity of their substituents and to the heterogeneity of the sorbent, since the cyclodextrin cavity sites are more favorable for interaction with the sorbate molecules than the crosslinking network.
Influences of chemical oxidation polymerization conditions on the yields of polyaniline powder we... more Influences of chemical oxidation polymerization conditions on the yields of polyaniline powder were investigated. These chemical oxidation polymerization conditions included polymerization time, concentration of HNO 3 , mol ratio of ammonium persulfate/aniline (APS/AN), and polymerization temperature. If polymerization time, concentration of HNO 3 , mol ratio of APS/AN, and polymerization temperature were 60 min, 1.0 M, 1.0, and 0°C, respectively, then the yield of emeraldine base form polyaniline powder was around 78.1%. The yield of polyaniline powder increased significantly with the polymerization time, concentration of HNO 3 , and the mol ratio of APS/AN. A 2 3 factorial experimental design was applied to study the main, two-factor interaction, and three-factor interaction effects of polymerization time, concentration of HNO 3 , and mol ratio of APS/AN on the yield of polyaniline powder. According to the definition, the sequence of the main effects on the yield of polyaniline powder, in ascending order, is concentration of HNO 3 Ͻ mol ratio of APS/AN Ͻ polymerization time. The sequence of the two-factor interaction effects on the yield of polyaniline, in ascending order, is concentration of HNO 3 vs. mol ratio of APS/AN Ͻ polymerization time vs. concentration of HNO 3 Ͻ polymerization time vs. mol ratio of APS/AN. Meanwhile, the prediction equation by definition is: Ŷ ϭ 0.287ϩ0.Average (main effect of polymerization time): (0.561 ϩ 0.46 ϩ 0.11 ϩ 0.028)/4 ϭ 0.290. Average (main effect of concentration of HNO 3 ): (0.235 ϩ 0.134 ϩ 0.218 ϩ 0.136)/4 ϭ 0.181.
Resumen
Este estudio bibliométrico se centra en la literatura sobre RS (“Social Responsibility”)... more Resumen
Este estudio bibliométrico se centra en la literatura sobre RS (“Social Responsibility”) y consumidor o cliente, indexada en todas las bases de datos de WOS (Web of Science) durante los últimos 14 años (2002-2016). La revisión muestra que 2.546 trabajos han sido orientados al estudio del tema. Así mismo en el trabajo se presenta un análisis sobre la evolución de la responsabilidad social empresarial, la estructura del consumo; y el papel económico de los consumidores.
Palabras clave: responsabilidad social empresarial; consumidor; análisis de concurrencia y técnicas bibliométricas.
El tema de la Responsabilidad Social Empresarial (RSE) en México es incipiente, escaso y confuso ... more El tema de la Responsabilidad Social Empresarial (RSE) en México es incipiente, escaso y confuso por parte de la alta dirección ejecutiva y por parte de los consumidores (stakeholders), sin los cuales las empresas dejarían de existir. El estudio empírico aporta evidencias preliminares sobre la percepción de los consumidores ante la actuación de las empresas socialmente responsables por medio de criterios establecidos que describen la RSE, dirigido a estudiantes universitarios de
The removal of phenols from aqueous solutions by crosslinked b-cyclodextrin polymers has been stu... more The removal of phenols from aqueous solutions by crosslinked b-cyclodextrin polymers has been studied. For cresols, the position of the methyl group influences the interaction with cyclodextrin polymers crosslinked with epichlorohydrin, being p-cresol the most adsorbed one. The isosteric heat of adsorption is almost constant with the surface coverage in the case of phenol, but varies for the cresols. When compared with other typical sorbents used to extract phenol from water (activated carbon, the macroporous resin Lewatit OC 1064, and calcium alginate), cyclodextrin polymers crosslinked with different reagents (epichlorohydrin, succinyl chloride and two diisocyanates) show high sorption capacities, especially at high phenol concentrations.
Crosslinked polymers containing β-cyclodextrin units have been used to remove dibenzofuran and th... more Crosslinked polymers containing β-cyclodextrin units have been used to remove dibenzofuran and three of its derivatives from aqueous solutions close to their saturation concentrations. The temperature dependence behavior for the compounds analyzed shows significant differences, attributable both to the influence of the polarity of their substituents and to the heterogeneity of the sorbent, since the cyclodextrin cavity sites are more favorable for interaction with the sorbate molecules than the crosslinking network.
Influences of chemical oxidation polymerization conditions on the yields of polyaniline powder we... more Influences of chemical oxidation polymerization conditions on the yields of polyaniline powder were investigated. These chemical oxidation polymerization conditions included polymerization time, concentration of HNO 3 , mol ratio of ammonium persulfate/aniline (APS/AN), and polymerization temperature. If polymerization time, concentration of HNO 3 , mol ratio of APS/AN, and polymerization temperature were 60 min, 1.0 M, 1.0, and 0°C, respectively, then the yield of emeraldine base form polyaniline powder was around 78.1%. The yield of polyaniline powder increased significantly with the polymerization time, concentration of HNO 3 , and the mol ratio of APS/AN. A 2 3 factorial experimental design was applied to study the main, two-factor interaction, and three-factor interaction effects of polymerization time, concentration of HNO 3 , and mol ratio of APS/AN on the yield of polyaniline powder. According to the definition, the sequence of the main effects on the yield of polyaniline powder, in ascending order, is concentration of HNO 3 Ͻ mol ratio of APS/AN Ͻ polymerization time. The sequence of the two-factor interaction effects on the yield of polyaniline, in ascending order, is concentration of HNO 3 vs. mol ratio of APS/AN Ͻ polymerization time vs. concentration of HNO 3 Ͻ polymerization time vs. mol ratio of APS/AN. Meanwhile, the prediction equation by definition is: Ŷ ϭ 0.287ϩ0.Average (main effect of polymerization time): (0.561 ϩ 0.46 ϩ 0.11 ϩ 0.028)/4 ϭ 0.290. Average (main effect of concentration of HNO 3 ): (0.235 ϩ 0.134 ϩ 0.218 ϩ 0.136)/4 ϭ 0.181.
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Books by Ana Romo
Este estudio bibliométrico se centra en la literatura sobre RS (“Social Responsibility”) y consumidor o cliente, indexada en todas las bases de datos de WOS (Web of Science) durante los últimos 14 años (2002-2016). La revisión muestra que 2.546 trabajos han sido orientados al estudio del tema. Así mismo en el trabajo se presenta un análisis sobre la evolución de la responsabilidad social empresarial, la estructura del consumo; y el papel económico de los consumidores.
Palabras clave: responsabilidad social empresarial; consumidor; análisis de concurrencia y técnicas bibliométricas.
Papers by Ana Romo
Este estudio bibliométrico se centra en la literatura sobre RS (“Social Responsibility”) y consumidor o cliente, indexada en todas las bases de datos de WOS (Web of Science) durante los últimos 14 años (2002-2016). La revisión muestra que 2.546 trabajos han sido orientados al estudio del tema. Así mismo en el trabajo se presenta un análisis sobre la evolución de la responsabilidad social empresarial, la estructura del consumo; y el papel económico de los consumidores.
Palabras clave: responsabilidad social empresarial; consumidor; análisis de concurrencia y técnicas bibliométricas.