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1. Climatic Factors that Impact the Consumption Patterns Tame of Water. A Case of Study

Author

Ramos Joseph, Mario, León Méndez, Alcides J., Socorro Llanes, Raisa, Carvajal Alfonso, Reniel, González Ramírez, Carlos M., Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Hernández Heredia, Yanio, editor, Milián Núñez, Vladimir, editor, and Ruiz Shulcloper, José, editor

Published
2024
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4. Evaluación del impacto de las variables bioclimáticas en el consumo: Caso estudio Sector de Aguas de La Habana

Author

Mario Ramos Joseph, Reniel Carvajal Alfonso, Alcides J. León Méndez, and Raisa Socorro Llanes

Subjects
demanda de agua, ensemble, horizonte de predicción, series temporales, variables bioclimáticas, Hydraulic engineering, TC1-978, Environmental engineering, TA170-171
Abstract

Cada día aumenta la necesidad de gestionar de forma más eficiente los recursos naturales, entre estos el agua se mantiene como elemento primordial, por su importancia para la salud, actividad y desarrollo humanos. Garantizar la demanda a corto, mediano y largo plazo se ha convertido en un gran desafío para investigadores y gestores de agua en todo el planeta. En este trabajo se utiliza un modelo de series temporales para evaluar el impacto de las variables bioclimáticas en el consumo. Este modelo se aplica a diferentes horizontes de consumo histórico en un sector operado por Aguas de La Habana. Se comprueba el efecto novedoso que tienen estas variables bioclimáticas en la predicción de la demanda doméstica. Los resultados obtenidos aportan valores de r2 ajustada que oscilan entre 0,69 y 0,79.

Published
2024

7. Propuesta de un nuevo modelo para estimar las descargas mensuales del canal de Vento

Author

Yoel Martínez González, Odalys Méndez Valdés, Mario Ramos Joseph, and Daniel García Cortés

Subjects
canal de Vento, descargas, modelo, Hydraulic engineering, TC1-978, Environmental engineering, TA170-171
Abstract

En la presente contribución se propone un nuevo modelo para para estimar las descargas de los manantiales al canal de Vento. Este modelo depende directamente del comportamiento de las precipitaciones, temperaturas y extracciones en la cuenca Almendares - Vento. Durante la calibración fueron identificados los parámetros relacionados con el volumen drenado por el acuífero Vento y aquellos que caracterizan su agotamiento. El desempeño del modelo, de acuerdo con el criterio de Kling - Gupta, estuvo caracterizado por las elevadas eficiencias computacionales alcanzadas, manifestando ser totalmente satisfactorio al ser contrastado con las observaciones de profundidad de circulación en el canal de Vento para los periodos analizados, exhibiendo gran adaptabilidad para diferentes escenarios de explotación y variabilidad de las precipitaciones.

Published
2023

9. Evaluación del impacto de las variables bioclimáticas eNAnTU eRAlL ES consumo: Caso estudio Sector de Aguas de La Habana.

Author

RAMOS JOSEPH, MARIO, CARVAJAL ALFONSO, RENIEL, LEÓN MÉNDEZ, ALCIDES J., and SOCORRO LLANES, RAISA

Subjects
*NATURAL resources, *TEMPORARY employment, *SECURITIES, *FORECASTING, *HUMAN beings
Abstract

Every day it increases the necessity to negotiate in a more efficient way the natural resources, among these the water stays as primordial element, for its importance for the health, activity and development humans. To guarantee the demand to short, medium and I release term he/she has become a great challenge for investigators and agents of water in the whole planet. In this work a model of temporary series is used to evaluate the impact of the variable bioclimatic in the consumption. This model is applied to different horizons of historical consumption in a sector operated by Waters of Havana. It is proven the novel effect that you/they have these variable bioclimatic in the prediction of the domestic demand. The obtained results contribute securities of r2 squared that oscillate between 0,69 and 0,79. [ABSTRACT FROM AUTHOR]

Published
2024

13. Patrones de consumo doméstico de agua: primer resultado en la Empresa Aguas de La Habana

Author

Mario Ramos Joseph, Rosaura Socarrás Ordaz, and Alcides J. León Méndez

Subjects
Hydraulic engineering, TC1-978, Environmental engineering, TA170-171
Abstract

A nivel global la demanda de agua está aumentando, los estudios de patrones de consumo permiten cuantificar el potencial de ahorro a nivel residencial. Este trabajo determina las curvas de consumo clasificados a una muestra de 14 clientes con servicio 24/7 de un sector de la Empresa Aguas de La Habana durante un periodo de 6 meses. Se obtuvieron las curvas de consumo clasificados de la muestra, el perfil horario de consumo, el volumen de pérdidas aparentes de la muestra producto de submedición con valor de 17,42%, el tipo de contador idóneo para la muestra, así como una comparación de resultados con los determinados en estudios afines como el REUWS1 y el REUWS2016. Palabras clave: curvas de consumo clasificado, patrones de consumo, pérdidas, pérdidas aparentes, perfil horario de consumo,.

Published
2019

17. Gestión integral de pérdidas de agua: un caso de estudio

Author

Mario Ramos Joseph and Alcides Juan León Méndez

Subjects
Hydraulic engineering, TC1-978, Environmental engineering, TA170-171
Abstract

La gestión integral de pérdidas reales ha tomado gran relevancia en las últimas décadas para las empresas gestoras del ciclo integral del agua. Esto se debe fundamentalmente a que globalmente la demanda del recurso natural está aumentando y sus fuentes están disminuyendo. El presente trabajo describe la utilización de una metodología, orientada a la gestión de las pérdidas reales, aplicada a un caso de estudio, donde se expone como se maneja lo que se han dado en llamar, en la última década, pilares de las pérdidas reales. Además se demuestran los resultados prácticos de la metodología en cuestión, así como su importancia para lograr un uso racional del agua. Palabras clave: abastecimiento, agua no registrada, pérdidas de agua, pérdidas reales, pilares de las pérdidas reales.

Published
2016

19. Calidad de servicio percibida y satisfacción de los estudiantes de la Facultad de Ingeniería de Minas de la Universidad Nacional San Antonio Abad del Cusco (UNSAAC), Cusco, 2021

Author

Contreras Ramos, Joseph Manuel and Molina Rodríguez, Fredy Nicolás

Subjects
Satisfacción del estudiante, Calidad percibida, purl.org/pe-repo/ocde/ford#5.02.04 [https]
Abstract

Esta investigación desarrollada tiene como objetivo precisar cómo se relacionan la Calidad del Servicio Percibida y Satisfacción de los Estudiantes de la Facultad de Ingeniería de Minas de la Universidad Nacional San Antonio Abad del Cusco (UNSAAC) (FIM - UNSAAC), Cusco, 2021. La metodología aplicada al estudio fue del tipo básica, mientras que el diseño aplicado es de tipología no-experimental – transversal - correlacional. La constitución de la población la integran 592 estudiantes (62 mujeres y 530 hombres), tomando un tamaño muestral conformado por168 estudiantes. El proceso aplicado para recolectar y elaborar la base de datos se basó en la utilización de la técnica aplicación de encuestas, mediante 2 cuestionarios: Calidad del Servicio adaptado del modelo (Serv-Perf) y la Encuesta de Satisfacción del Estudiante adaptado del modelo de Kotler (Satisfacción del Cliente). Las conclusiones registradas están basadas por los resultados que los cálculos estadísticos realizados afirman la existencia de relación significativa en función a la Calidad percibida y Satisfacción de los Estudiantes de la FIM - UNSAAC, Cusco, 2021. Habiendo obtenido un grado de correlación (ρ) alto o positivo considerable (0.776) y un nivel de Significancia 0.

Published
2021

25. Discussion

Author

Tannenbaum, Frank, Harrison, John P., Ferris, Nelly, Ramos, Joseph, Wagley, Charles, Phelan, Frances, and Eisenberg, Peter

Published
1964
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27. Cytotoxicity of Selenium Nanoparticles in Rat Dermal Fibroblasts [Expression of Concern]

Author

Ramos,Joseph F, Webster,Thomas J, Ramos,Joseph F, and Webster,Thomas J

Abstract

Ramos JF, Webster TJ. Int J Nanomedicine. 2012;7:3907–3914. The Editor and Publisher of International Journal of Nanomedicine wish to issue an Expression of Concern for the published article. Concerns were raised regarding the alleged duplication of the image shown in Figure 2 with the image shown in Figure 2 in the article Tran et al, 2009 (https://doi.org/10.1002/jbm.a.32631). The International Journal of Nanomedicine would like to alert readers of this while we continue with our investigation. The authors have been contacted and were informed of these concerns. Read the original article

Published
2021

31. Performance Analysis of a Stirling Engine Hybrid Power System

Author

Zabalaga, Pablo Jimenez, Cardozo, Evelyn, Choque Campero, Luis Antonio, Ramos, Joseph Adhemar Araoz, Zabalaga, Pablo Jimenez, Cardozo, Evelyn, Choque Campero, Luis Antonio, and Ramos, Joseph Adhemar Araoz

Abstract

The Bolivian government's concerns that are related to reducing the consumption of diesel fuel, which is imported, subsidized, and provided to isolated electric plants in rural communities, have led to the implementation of hybrid power systems. Therefore, this article presents the performance analysis in terms of energy efficiency, economic feasibility, and environmental sustainability of a photovoltaic (PV)/Stirling battery system. The analysis includes the dynamic start-up and cooling phases of the system, and then compares its performance with a hybrid photovoltaic (PV)/diesel/battery system, whose configuration is usually more common. Both systems were initially optimized in size using the well-known energy optimization software tool, HOMER. An estimated demand for a hypothetical case study of electrification for a rural village of 102 households, called "Tacuaral de Mattos", was also considered. However, since the characteristics of the proposed systems required a detailed analysis of its dynamics, a dynamic model that complemented the HOMER analysis was developed using MATLAB Simulink TM 8.9. The results showed that the PV/Stirling battery system represented a higher performance option to implement in the electrification project, due to its good environmental sustainability (69% savings in CO2 emissions), economic criterion (11% savings in annualized total cost), and energy efficiency (5% savings in fuel energy conversion)., QC 20200623

Published
2020
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32. Guide de l'achat responsable : Handicap Ed. 3

Author

Ramos, Joseph, Aldrovandi, Pierre, Ramos, Joseph, and Aldrovandi, Pierre

Abstract

92 % des structures ayant recours à la sous-traitance auprès d'entreprises ou d'établissements des secteurs protégé et adapté se déclarent satisfaites ! La méfiance à l'égard des établissements et services d'aide parle travail (ESAT) ou des entreprises adaptées (EA), qui demeure encore dans l'esprit de certains acheteurs publics ou privés, la connaissance très approximative des activités proposées par les Travailleurs Handicapés Indépendants (TIH) se nourrissent principalement d'une méconnaissance du secteur de l'emploi des personnes en situation de handicap.A l'inverse, certains ESAT ou EA, bien que possédant dans leur catalogue des offres de biens ou de services performantes et innovantes, n'ont pas encore développé de politique d'action commerciale suffisamment adaptée aux acheteurs publics ou privés. Cet ouvrage expose de façon pédagogique l'ensemble des aspects juridiques et stratégiques nécessaires aussi bien aux acheteurs publics ou entreprises privées qu'aux vendeurs (ESAT, EA) pour la pleine réussite des achats de biens ou de services auprès des secteurs protégé et adapté.Que sont les ESAT et les EA et qui sont les TIH ? Quels biens et services offrent-ils ? Comment fonctionnent l'obligation d'emploi de 6 % de travailleurs handicapés et le mécanisme de réduction de la contribution ? Quelles sont les règles particulières régissant la commande publique en faveur des secteurs protégé et adapté ? Comment développer une politique adaptée d'action commerciale en direction des acheteurs publics ou privés ? Comment intégrer les achats auprès du secteur dans une stratégie globale de "responsabilité sociétale de l'entreprise" ? Comment sécuriser les relations contractuelles ? Le Guide de l'achat responsable est à jour des textes les plus récents.Les modifications introduites par la réforme de la commande publique sont bien entendu décryptées. Mais surtout, la réforme d'ampleur issue de la "loi Avenir" de septembre 2018, dont les textes d'application ont jalonné l'ann

Published
2020

33. Guide de l'achat responsable : Handicap Ed. 3

Author

Aldrovandi, Pierre, Ramos, Joseph, Aldrovandi, Pierre, Aldrovandi, Pierre, Ramos, Joseph, and Aldrovandi, Pierre

Abstract

92 % des structures ayant recours à la sous-traitance auprès d'entreprises ou d'établissements des secteurs protégé et adapté se déclarent satisfaites ! La méfiance à l'égard des établissements et services d'aide parle travail (ESAT) ou des entreprises adaptées (EA), qui demeure encore dans l'esprit de certains acheteurs publics ou privés, la connaissance très approximative des activités proposées par les Travailleurs Handicapés Indépendants (TIH) se nourrissent principalement d'une méconnaissance du secteur de l'emploi des personnes en situation de handicap.A l'inverse, certains ESAT ou EA, bien que possédant dans leur catalogue des offres de biens ou de services performantes et innovantes, n'ont pas encore développé de politique d'action commerciale suffisamment adaptée aux acheteurs publics ou privés. Cet ouvrage expose de façon pédagogique l'ensemble des aspects juridiques et stratégiques nécessaires aussi bien aux acheteurs publics ou entreprises privées qu'aux vendeurs (ESAT, EA) pour la pleine réussite des achats de biens ou de services auprès des secteurs protégé et adapté.Que sont les ESAT et les EA et qui sont les TIH ? Quels biens et services offrent-ils ? Comment fonctionnent l'obligation d'emploi de 6 % de travailleurs handicapés et le mécanisme de réduction de la contribution ? Quelles sont les règles particulières régissant la commande publique en faveur des secteurs protégé et adapté ? Comment développer une politique adaptée d'action commerciale en direction des acheteurs publics ou privés ? Comment intégrer les achats auprès du secteur dans une stratégie globale de "responsabilité sociétale de l'entreprise" ? Comment sécuriser les relations contractuelles ? Le Guide de l'achat responsable est à jour des textes les plus récents.Les modifications introduites par la réforme de la commande publique sont bien entendu décryptées. Mais surtout, la réforme d'ampleur issue de la "loi Avenir" de septembre 2018, dont les textes d'application ont jalonné l'ann

Published
2020

34. Phenotypic and molecular characterization of a human adult bone marrow committed T cell progenitor

Author

Ramos, Joseph H.

Subjects
Cell/Cellular Biology and Histology, Biomedical Sciences, bone, marrow, T cell, progenitor
Abstract

We investigated the phenotypic and molecular characteristics of a rare human adult bone marrow (ABM) CD34+CD38-/loCD7+CD10- population that comprise 0.04% of the total bone marrow mononuclear cells in search of a human committed T cell progenitor (hCTP). Using multi-color flow cytometry, we investigated our putative hCTP for its cell surface phenotype and sorted cells for molecular analysis. We observed that our putative hCTP population expresses low levels of T cell lineage associated surface markers CD1a and CD5; the chemokine receptors implicated with progenitor migration to the thymus CCR7, CCR9, CXCR6; and lymphoid associated surface markers CD127, CD45RA, and CD24. Using the comparative CT quantitative PCR method, we established a gene expression profile of our putative hCTP. Molecular analysis reveals that the putative hCTP population lacks expression of T cell lineage genes (Gata-3, CD7, CD3) and the lymphoid lineage associated gene Rag-1. However, expression of PU.1 and Id2 is present in this population, similar to early thymocytes. Based on our results, we conclude that this population resembles the human early thymic progenitor, and is capable of seeding the thymus.

Published
2011

36. The impact of licenses on a 'late starter' LDC: Chile in the 1990s

Author

Alvarez, Roberto, Crespi, Gustavo, and Ramos, Joseph

Subjects
Business, international, Economics, International relations
Abstract

The acquisition of technology through licenses is a potentially important means of accelerating productivity growth, especially in 'late starter' developing countries in the throes of 'catch-up.' Yet the literature has tended to focus on the potential benefits to the seller, overlooking those to the purchaser (our own concern). We find that expenditures on licensing showed exceptionally high rates on return, on the order of twice those for investment in physical capital. This investment significantly improved firms' performance and productivity in Chilean industry during the 1990s. We conclude that licensing can be an important instrument for speeding catch-up in less-developed countries. Key words--development, technology, licenses, catch-up, Latin America, Chile

Published
2002

38. Policy directions for the new economic model in Latin America

Author

Ramos, Joseph

Subjects
Latin America -- Economic policy, Economics -- Models, Business, international, Economics, International relations
Abstract

The new economic model (NEM) has been extremely successful in reducing inflation and in increasing exports, but quite disappointing in terms of the growth of output and productivity. It is argued that this calls for a 'second generation' of reforms, especially centered at the plant level and its surrounding factor markets, to close the huge productivity gap separating firms from best practice and so enable the accelerated growth rates typical of successful 'late starters.' Policies should emphasize the systematic identification of those technologies and practices best suited to local conditions and their rapid transfer, adaptation and diffusion throughout the economy.

Published
2000

40. Techno-economic assessment of high variable renewable energy penetration in the Bolivian interconnected electric system

Author

Rojas Candia, Ray Antonio, Balderrama Subieta, Sergio Luis, Araoz Ramos, Joseph Adhemar, Senosiain Miquélez, Vicente, Peña Balderrama, Jenny Gabriela, Jaldín Florero, Hernan, and Quoilin, Sylvain

Subjects
020209 energy, 020208 electrical & electronic engineering, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, General Works
Abstract

Bolivia plans significant investments in conventional and renewable energy projects before 2025. Deployment of large hydro-power, wind and solar projects are foreseen in the investment agenda. However and despite the large renewable potential in the country non-conventional renewable technologies are not yet considered to be a main source in the supply chain. The aim of this article is to evaluate the flexibility of the Bolivian power generation system in terms of energy balancing, electricity generation costs and power plants scheduling in a scenario that considers large solar and wind energy technology deployment. This is done using an open source unit commitment and optimal dispatch model (Dispa-SET) developed by the Joint Research Center of the European Commission. National data for existing infrastructure, committed and planned energy projects are used to assess the case of Bolivia. The base scenario consider all techno-economic data of the Bolivian power system up to 2016. A harmonized dataset is gathered and released as open data to allow other researchers to run and re-use the model. This model is then used to simulate scenarios with different levels of solar and wind energy deployment. Results from the analysis show that an energy mix with participation of solar and wind technology with values lower than 30% is technically feasible and indicates that further grid reinforcements are required., International Journal of Sustainable Energy Planning and Management, Vol 22 (2019)

Published
2019

43. Techno-economic assessment of high renewable energy source penetration in the Bolivian interconnected electric system

Author

Rojas Candia, Ray Antonio, Araoz Ramos, Joseph Adhemar, Balderrama Subieta, Sergio Luis, Peña Balderrama, Jenny Gabriela, Senosiain Miquélez, Vicente, Quoilin, Sylvain, Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica, Electrónica y de Comunicación, and Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko, Elektroniko eta Telekomunikazio Saila

Subjects
Bolivia, Solar energy, Power plant dispatching, Energy balance, Electricity cost
Abstract

To reduce GHG emissions to reach the 2°C level, the International Energy Agency, projected that electricity generation based in renewable source should increase from 3% today to more than 20% by 2040 [1]. This transition to carbon-free and sustainable energy systems is a challenge for every country and particularly for developing countries. Lack of economic and technical resources has historically been a barrier for the transition into a low-carbon energy system. Under this context, the Bolivian government plans significant investments in renewable energy projects before 2025. Deployment of large hydro-power, small-scale wind and solar projects are foreseen in the investment agenda. However and despite the large solar capabilities of the country, solar technology is not yet considered to be a main source in the supply chain. The aim of this article is to evaluate the flexibility of the Bolivian power generation system in terms of energy balancing, electricity generation costs and power plants scheduling in a scenario that considers large solar energy technology deployment. This is done using an open source unit commitment and optimal dispatch model (Dispa-Set) developed by the Joint Research Center. National data for existing infrastructure, committed and planned energy projects are inserted to assess case of Bolivia. The base scenario consider all techno-economic data of the Bolivian power system up to 2016. Further scenarios investigate different levels of solar energy deployment. Results from the analysis show that an energy mix with participation of solar technology with values lower than 30 % seems technically feasible but thermal generation is required to follow variations of renewable sources and prevent load shedding.

Published
2018

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