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1
artículo
Publicado 2022
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Purpose: The last decades have experienced increasingly integrated global political and economic dynamics ranging especially from the influence of exchange rates and trade amid other sources of uncertainties. The purpose of this study is to examine the exchange rate dynamics of Brazil, Russia, India, China, and South Africa (BRICS) and the Republic of Turkey. Design/methodology/approach: Given this perceived global dynamics, the current study examined the BRICS countries and the Republic of Turkey's exchange rate dynamics by using the United States (US) monthly dollar exchange rate data between January 2002 and August 2019. The price bubble which is expressed as exceeding the real value of assets' prices which is observably caused by speculative movements is investigated by using the Supremum Augmented Dickey-Fuller (SADF) and the Generalized Supremum Augmented Dickey-Fuller (GSADF) appr...
2
artículo
Publicado 2024
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The article examines the conversion of the share capital of a peruvian company from soles to foreign currency, highlighting its legal, economic, and financial implications. It analyzes the function of share capital, the general rule of its expression in national currency, and the exceptions that allow its expression in foreign currency. Also, the requirements for this conversion are detailed, including the need for administrative authorization and its connection to accounting in foreign currency. Additionally, the reasons for this conversion are discussed, such as the protection of foreign investment, mitigation of exchange rate risk, and attraction of international financing. The article concludes with an analysis of the financial implications and strategies for managing exchange rate risk that can be applied to companies that decide to convert their capital stock to foreign currency.
3
artículo
Publicado 2024
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The article examines the conversion of the share capital of a peruvian company from soles to foreign currency, highlighting its legal, economic, and financial implications. It analyzes the function of share capital, the general rule of its expression in national currency, and the exceptions that allow its expression in foreign currency. Also, the requirements for this conversion are detailed, including the need for administrative authorization and its connection to accounting in foreign currency. Additionally, the reasons for this conversion are discussed, such as the protection of foreign investment, mitigation of exchange rate risk, and attraction of international financing. The article concludes with an analysis of the financial implications and strategies for managing exchange rate risk that can be applied to companies that decide to convert their capital stock to foreign currency.
4
artículo
Publicado 2024
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Due to the importance of diversifying the feed input matrix for aquaculture through low-impact local biomass, the effect of replacing corn flour with Lemnaminor flour in diets for juvenile Piaractus brachypomus was evaluated. Four isoprotein diets were formulated with 0% (T0), 25% (T1), 50% (T2) and 100% (T3) replacement and administered to 240 fish grown at 10 fish m³ for 75 days. Animals were fed 5% of their body weight, twice a day. Weight gain, specific growth rate (SGR), apparent feed conversion (AFC), protein efficiency (PE), hepatosomatic index (HSI) and survival were recorded. The results show that partial replacement (T1–T2) maintained the final biomass (2.45 ± 0.09 kg), TCE (2.60 ± 0.11% d), AAC (1.81 ± 0.06) and EP (2.24 ± 0.05) without differences compared to the control. In contrast, total replacement (T3) reduced biomass by 24%, apparent intake by 20% and increased I...
5
artículo
Publicado 2024
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The article examines the conversion of the share capital of a peruvian company from soles to foreign currency, highlighting its legal, economic, and financial implications. It analyzes the function of share capital, the general rule of its expression in national currency, and the exceptions that allow its expression in foreign currency. Also, the requirements for this conversion are detailed, including the need for administrative authorization and its connection to accounting in foreign currency. Additionally, the reasons for this conversion are discussed, such as the protection of foreign investment, mitigation of exchange rate risk, and attraction of international financing. The article concludes with an analysis of the financial implications and strategies for managing exchange rate risk that can be applied to companies that decide to convert their capital stock to foreign currency.
6
artículo
The article approaches approach to the assumptions of methodologies for measuring online conversation. These methodologies record what users do when access to social media institutional profiles, which allows observing the impact of the publications. However, they do not take into account neither the response of institutions as a result of listening to users nor the possibilities of co-creation. Thereby, conversation is confused with mere digital interaction. Seeking for engagement is executed as a strategic action of conquest of users, which ends up stopping the advances towards a culture of collaboration. The objective is to offer a theoretical contribution that allows defining the pragmatic and ethical assumptions of both the digital interaction and the conversational encounter. With this, the conversationalist paradigm is criticized, which identifies the online linguistic exchange as...
7
artículo
Indexado en Latindex (Catálogo 2.0) y DOAJ
8
tesis de grado
Publicado 2021
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El título de la tesis es conversión a ciclo combinado de central térmica de Talara TG5 para optimización de sus indicadores de generación. La central termoeléctrica TG5 de Talara opera en condición de Reserva Fría hasta el año 2,022, actualmente opera con Petróleo BD5, con una potencia efectiva de 188.9 MW y también esta adecuada para combustionar gas natural con una potencia efectiva de 127.83 MW. Se plantea como objetivo general determinar los indicadores óptimos de generación mediante la conversión a ciclo combinado de la Central Térmica de Talara TG5. La presente investigación utilizó el método deductivo y descriptivo, el diseño de la investigación pre- experimental se utiliza para establecer una relación entre la causa y el efecto de una situación. La población y muestra es única, siendo la central termoeléctrica TG5 de Talara. Entre los resultados, tenemos ...
9
artículo
Publicado 2012
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The technique named semicontinousheterophase polymerization was used to synthesize mesoporous polystyrene nanoparticles. The developed process was under monomer-starved conditions which monomer was continously added to the reactor containing an aqueous solution of emusifier and initiator. The effects of the rate of organic mixture addition and concentration of initiator on kinetic behavior, the particle size, pore diameter and porosity were studied.The results obtained were as follows: the conversions were near to 95% (≈ 20% content of solids), with particle size between 15 and 30 nm with low polydispersity, pores size between 4 and 6 nm and porosity between 10 and 30%. According to the results’ statistical analysis, the conversion, the particle and pore size depend directly on the rate of the organic mixture addition and not on the concentration of initiator. On the other hand, the ...
10
artículo
Publicado 2012
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The technique named semicontinousheterophase polymerization was used to synthesize mesoporous polystyrene nanoparticles. The developed process was under monomer-starved conditions which monomer was continously added to the reactor containing an aqueous solution of emusifier and initiator. The effects of the rate of organic mixture addition and concentration of initiator on kinetic behavior, the particle size, pore diameter and porosity were studied.The results obtained were as follows: the conversions were near to 95% (≈ 20% content of solids), with particle size between 15 and 30 nm with low polydispersity, pores size between 4 and 6 nm and porosity between 10 and 30%. According to the results’ statistical analysis, the conversion, the particle and pore size depend directly on the rate of the organic mixture addition and not on the concentration of initiator. On the other hand, the ...
11
artículo
Esta investigación tiene como objetivo simular una planta eficiente que genere energía a través de un sistema híbrido geotérmico solar con vapor supercrítico, Terminol VP1, agua, fluido geotérmico y refrigerante R134a. Tiene como objetivo que, a través de la solución híbrida, se optimice y aproveche las propiedades existentes de los ciclos de energía solar y geotérmica. De esta manera, la parte geotérmica del proceso se convierte en el ciclo principal, complementado por el ciclo solar térmico, con la finalidad de obtener como resultado una eficiencia elevada. Asimismo, permite al lector entender el proceso ideal de este tipo de planta, así como un análisis termodinámico. Este se representa a través de un modelo detallado en un diagrama de flujo de bloques, que luego se convierte en uno dinámico, utilizado para examinar los parámetros seleccionados como las variaciones...
12
artículo
Esta investigación tiene como objetivo simular una planta eficiente que genere energía a través de un sistema híbrido geotérmico solar con vapor supercrítico, Terminol VP1, agua, fluido geotérmico y refrigerante R134a. Tiene como objetivo que, a través de la solución híbrida, se optimice y aproveche las propiedades existentes de los ciclos de energía solar y geotérmica. De esta manera, la parte geotérmica del proceso se convierte en el ciclo principal, complementado por el ciclo solar térmico, con la finalidad de obtener como resultado una eficiencia elevada. Asimismo, permite al lector entender el proceso ideal de este tipo de planta, así como un análisis termodinámico. Este se representa a través de un modelo detallado en un diagrama de flujo de bloques, que luego se convierte en uno dinámico, utilizado para examinar los parámetros seleccionados como las variaciones...
13
artículo
Publicado 2023
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Pneumonia due to Streptococcus pneumoniae (pneumococcus) is a major cause of mortality in infants (children under 1 year of age), and pneumococcal conjugate vaccines (PCVs), delivered during the first year of life, are available since the year 2000. Given those two premises, the conclusion follows logically that favourable impact reported for PCVs in preventing pneumococcal disease should be reflected in the infant mortality rates (IMRs) from all causes. Using publicly available datasets, country-level IMR estimates from UNICEF and PCV introduction status from WHO, country-specific time series analysed the temporal relationship between annual IMRs and the introduction of PCVs, providing a unique context into the long-term secular trends of IMRs in countries that included and countries that did not include PCVs in their national immunisation programmes. PCV status was available for 194 co...
14
artículo
Publicado 2014
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Introducción: Un tercio de la población mundial presenta una infección tuberculosa latente, con 9,4 millones de casos nuevos reportados en el 2009; los estudiantes de medicina tienen de 2 a 50 veces más probabilidad de adquirir la infección. Objetivos: Establecer la prevalencia de PPD positivo basal al inicio de la carrera médica y determinar la incidencia y los factores asociados a la conversión de PPD en alumnos de medicina. Materiales y Métodos: Análisis secundario de datos de una cohorte histórica (2007-2010) involucrando alumnos de medicina de una universidad privada en Perú. Se evaluó la conversión de PPD. Se aplicó un análisis de regresión binomial para cada variable de interés. Resultados: 707 estudiantes fueron seguidos, de ellos 219 (31%) fueron hombres. La prevalencia basal de PPD positivo fue 14,4%. Se encontró asociación significativa con el año de ingres...
15
artículo
Publicado 2011
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El presente Informe muestra el uso de los modelos de conversión de mediciones de inventarios del Be-7 para estimar tasas de erosión y redistribución de suelos. Los datos analizados corresponden a un ejercicio llevado a cabo durante el Curso de Estimación de Erosión en Suelos por Radionúclidos de Precipitación (Be-7) realizado en Chile. Para ello se ha considerado el modelo de conversión a partir del estudio del sitio de referencia. Los resultados obtenidos demuestran que el modelo de conversión del Be-7 aplicado a estudios de erosión es muy útil para establecer procesos de redistribución de suelos previos a labores de labranza, así como también que éste presenta una disminución exponencial de su concentración másica mientras se distribuye dentro del suelo. Para el caso evaluado se obtuvo que a una profundidad másica de 2,17 mm se encuentra concentrada el 63 % de la act...
16
artículo
Publicado 2019
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Neospora caninum is a parasite identified as a major cause of abortion in cattle and neurological disease in various animal species. It is closely related to Toxoplasma gondii, sharing the ability to persist indefinitely in latent stage within the host as a tissue cyst containing slow-dividing bradyzoites. Here we compared different stress methods to induce in vitro bradyzoite conversion, using MARC-145 cells infected with Nc-Liverpool isolate. The tachyzoite-to-bradyzoite conversion rate was monitored at days 3, 5, and 7 post-stress in a double immunofluorescence assay using a mAb against the tachyzoite antigen SAG1 (aSAG1) and a rabbit serum directed to the intracytoplasmatic bradyzoite antigen BAG1 (aBAG1). Seven-day treatment with sodium nitroprusside 70 µM, offered the highest bradyzoite transformation rate and the best yield of total parasitophorous vacuoles observed. In the prese...
17
tesis de grado
Publicado 2019
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The present investigation was carried out with the objective of determining the effect of the use of meat flour in the production of Cobb-500 chickens in the fattening stage, carried out at the National University of Trujillo, also, to calculate the productive indicators of the broiler chicken cobb-500 and the evaluation of the optimum level of inclusion of meat meal, used in the feed at the stage of fattening of the chicken of the cobb.500 line. 80 birds of the cobb-500 line were used, under an experimental research design. Where the following parameters were evaluated: weight gain, feed conversion and mortality rate; data that were analyzed in the Excel program for analysis of variance and comparison of means. Where the results were: 1359.4 gr in weight gain, 1.09 feed conversion and 1.25% mortality rate. It is concluded that meat meal (PROTEIKA) can be used in rations of cobb-500 broi...
18
artículo
Publicado 2011
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En el presente informe se muestra la aplicación de un modelo de conversión de mediciones de inventarios del radionúclido ambiental Cs-137, para estimaciones de tasas de reposición y deposición de erosión en suelos que involucra el Método Estándar y el Simplificado. Los datos analizados corresponden a un ejercicio llevado a cabo durante el Curso de Estimación de Erosión en Suelos por Radionúclidos de Precipitación (Cs-137) realizado en Chile. Para ello, se ha considerado el escenario de la determinación de tasas medias de redistribución de suelo durante períodos contrastantes de labranza, p. ej. a lo largo de transectos de pendiente en el sitio bajo Cero Labranza (CL) y para Labranza Total (LT). Los resultados obtenidos demuestran que el método simplificado es más versátil, porque solo requiere realizar dos mediciones por punto de muestreo y muestra la pérdida de suelos...
19
artículo
Publicado 2022
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The protein digestibility of pajuro seeds (Erythrina edulis Triana) was determined after the conventional cooking process. The processed seeds were dried, ground and incorporated into isoproteic and isocaloric diets for evaluation with Holtzman rats. The results were expressed in terms of means and standard deviations. A one-way analysis of variance (ANOVA) was performed with Tukey's multiple comparison test to determine significant differences (p <0.05) in the proximal composition values and a correlation analysis between protein consumption / gains weight and feed intake / weight gain. A protein value of 20.58 was obtained in the cooked straw seeds, and values of 25.89, 2.97 and 45.56 for feed consumption, weight gain and specific growth rate respectively. Regarding the protein quality indicators, a positive nitrogen balance was obtained with a value of 0.19, biological ...
20
artículo
Publicado 2022
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The protein digestibility of pajuro seeds (Erythrina edulis Triana) was determined after the conventional cooking process. The processed seeds were dried, ground and incorporated into isoproteic and isocaloric diets for evaluation with Holtzman rats. The results were expressed in terms of means and standard deviations. A one-way analysis of variance (ANOVA) was performed with Tukey's multiple comparison test to determine significant differences (p <0.05) in the proximal composition values and a correlation analysis between protein consumption / gains weight and feed intake / weight gain. A protein value of 20.58 was obtained in the cooked straw seeds, and values of 25.89, 2.97 and 45.56 for feed consumption, weight gain and specific growth rate respectively. Regarding the protein quality indicators, a positive nitrogen balance was obtained with a value of 0.19, biological ...
