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51.799  Articles
1 of 5.181 pages  |  10  records  |  more records»
It is incontrovertible that development is and has always been a function of public policy. The necessity for states to have enough space, to figure out in organic manner, which policy options work best for them, cannot be overemphasized. Using national p... see more

The Chinese Mainland has become the largest production base and a major potential market for Taiwan’s information and electronics industry. Thus, studying the spatiotemporal evolution of the Taiwanese-funded information technology and electronics in... see more

History of Science and Technology (HST) courses are increasingly becoming part of core curriculums for undergraduate students due to an increased emphasis on scientific literacy. HST courses should aim to help students gain an understanding of the nature ... see more

Socio-technical or strategic approach to renewable energy deployment all suggests that the uptake of renewable energy technology such as solar photovoltaic is as much a social issue as a technical issue. Among social issues, one most direct and immediate ... see more

Pandemics not only challenge health systems and the economy, they also deeply transform our everyday lives and the ways in which we coexist. People have to find new definitions of what it means to be close to one another, to show empathy and to comfort ea... see more

El radón, segunda causa del cáncer de pulmón /Radon, the second cause of lung cancer El radón, segunda causa del cáncer de pulmón /Radon, the second cause of lung cancerObjetivo: elaborar las recomendaciones necesarias, que contribuyan a que se adopten las medidas más eficaces de protección sanitaria para disminuir los efectos del Radón a la salud.Materiales y Métodos: se emplearon diferentes Métodos teóricos tales como el histórico-lógico, utilizado el análisisde la evolución histórica e influencias principales relacionadas con el Radón y la salud, así como el análisis-síntesis y la inducción-deducción.Resultados: se logró una evaluación objetiva de las evidencias científicas acerca de los efectos del Radón sobre la salud, se elaboraron las recomendaciones necesarias, que contribuyen a que se adopten las medidas más eficaces de protección sanitaria, para disminuir la influencia de este gas radioactivo a la salud.Conclusiones: el Radón se desintegra en elementos sólidos radiactivos conocidos como partículas de la progenie de Radón (como Polonio-218, Polonio-214 y Plomo-214). La progenie del radón puede adherirse al polvo y a otras partículas que pueden ser aspiradas por los pulmones. A medida que el Radón y la progenie de éste se desintegran en el aire, liberan radiación que puede acelerar el proceso de aparición del cáncer de pulmón y dañar el ADN de las células en el interior del cuerpo.ABSTRACT Objective: to elaborate the necessary recommendations that contribute to the adoption of the most effective sanitary protection measures to reduce the effects of Radon on health.Materials and Methods: different theoretical methods were used, such as historical-logical, used the analysis of historical evolution and main influences related to Radon and health, as well as analysis-synthesis and inductiondeduction.Results: sn objective evaluation of the scientific evidences about the effects of Radon on health was achieved, the necessary recommendations were elaborated, which contribute to the adoption of the most effective measures of sanitary protection, to diminish the influence of this radioactive gas to health.Conclusions: Radon decays into radioactive solid elements known as Radon progeny particles (such as Polonium-218, Polonium-214, and Lead-214). Radon progeny can adhere to dust and other particles that can be sucked out by the lungs. As Radon and its progeny disintegrate in the air, they release radiation that can accelerate the process of lung cancer and damage the DNA of cells inside the body.Keywords: equity; Sustainable development; Science and Technology.

Materiales y Métodos: se emplearon diferentes Métodos teóricos tales como el histórico-lógico, utilizado el análisisde la evolución histórica e influencias principales relacionadas con el Radón y la salud, así como el análisis-síntesis y la inducción-dedu... see more

The evolution of the technology 5G has influenced the Internet of the Things (IoT) according to the wireless communications of minor latency, and major speed compared to the existing technologies. Consequently, from the 21st century, 5G will act as the sp... see more

This study used a sequential exploratory mixed method to examine the effectiveness of using an electronic portfolio to assess the scientific literacy of evolution theory. As much as 135 university students majoring in biology education were involved as re... see more

Information technology of information system software architecture structural synthesis is proposed. It is used for evolutionary models of the software lifecycle, which provides configuration and formation of software to control the realization and recove... see more

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