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Mostrando ítems 1434-1453 de 1794
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Relationship of work stress and obesity explained by physical activity and food habits in industrial studies a review of literature.
(SEMAC, 2018-04-10)Cuando el estrés laboral está presente y se carece de formas de evaluación, medidas preventivas y de control adecuadas se comienza a observar el desarrollo de enfermedades. A pesar de que el estrés laboral es uno de los ... -
Reliability Analysis Based on a Gamma-Gaussian Deconvolution Degradation Modeling with Measurement Error
(2021-04-30)In most degradation tests, the measuring processes is affected by several conditions that may cause variation in the observed measures. As the measuring process is inherent to the degradation testing, it is important to ... -
Reliability analysis for DC motors under voltage step-stress scenario
(2020-03-10)In reliability analysis, different stress techniques are used to know the lifetime and performance of electrical devices via accelerated life testing. One of these stress technique is the step stress, which combines the ... -
Reliability analysis using exponentiated Weibull distribution and inverse power law
(2019-06-01)Today in reliability analysis, the most used distribution to describe the behavior of devices is theWeibull distribution. Nonetheless, theWeibull distribution does not provide an excellent fit to lifetime datasets that ... -
Reliability by Using Weibull Distribution Based on Vibration Fatigue Damage
(2023-09-14)In this paper, a Weibull probabilistic methodology is proposed with an approach to model vibration fatigue damage accumulation using two parameters: Weibull distribution and a nonlinear fatigue damage accumulation model. ... -
Reliability Engineering in Industry 4.0
(El Colegio de Chihuahua, 2021-08-24)In the digitalization era, organizations are investing in tools that allow their processes, human resources, machines, supply chains, and products, to be integrated into a global network. This helps the company’s improvement ... -
Rellenos dentales bioactivos hechos en México
(2019-12-12)El uso de adhesivos que contengan materiales bioactivos, como el vidrio bioactivo 45S5 representa un enfoque "inteligente" prometedor para restauraciones dentales realizadas con el objetivo de que el área afectada sea ... -
Remediation Of Water Polluted With Pharmaceutical Residues Applying Processes Of Photocatalysis And Adsorption With Activated Charcoal And Nanoparticles Of ZnO Obtained From Recycled Alkaline Batteries
(Materials Research Society, 2019-08-19)Water remediation is a main concern now days, specially when its polluted with pharmaceutical residues, because these chemicals might have a huge impact in the flora, wildlife and human health. The industry has many ... -
Removal Of Pb And As By Bacteria Isolated From Sediments Of Las Vírgenes Dam And Río Conchos In The State Of Chihuahua, Mexico
(2022-05-31)Lead (Pb) and Arsenic (As) are elements that negatively affect all living organisms if present in the environment. These elements have been reported in the sediments of water supply basins in the State of Chihuahua, Mexico. ... -
Rendimiento de los Marcapasos Biológicos en Modelos Animales de Bloqueo AV: Una Revisión del Alcance
(SOMIB, 2021-11-30)The electronic pacemakers have some complications and limitations for which in the last two decades it has been investigated about biological pacemakers as an alternative treatment. The present study undertakes a scoping ... -
Replacement of electric resistive space heating by a geothermal heat pump in a residential application – Environmental amortisation
(2019-11-14)This paper reports the life cycle analysis (LCA) of the replacement of a conventional boiler by a geothermal boiler in a standard, medium sized, single-family dwelling, located in a Mediterranean country such as Spain. The ... -
Replacement of electric resistive space heating by an air-source heat pump in a residential application. Environmental amortization
(2018-05-30)All-electric boilers and air source heat pumps are both powered by electric energy. However, each kWh of heat that is produced implies higher electric consumption in the former. Therefore, as a consequence of financial ... -
Reporte técnico CONACYT-BIOCONJUGADO FINAL
(2020-08-19)En esta etapa se decidió trabajar con el sistema de nanocúmulos de plata estabilizados con proteína albumina de suero bovino BSA y polímero Poli- Vinilpirrolidona PVP (NC Ag-BSA/PVP) ya que se encontró que presenta mejores ... -
Required effort for shaft/ring setting according to roughness due to CNC lathe machining
(2020-12-30)The shaft/hub joints use the difference in diameters to make the assembly, either by pressure or by temperature. In this investigation, a study was made of the effect of roughness in an assembly, represented by the inner ... -
Residual 3D convolutional neural network to enhance sinograms from small-animal positron emission tomography images
(2023-05-05)Positron emission tomography (PET) has been widely used in nuclear medicine to diagnose cancer. PET images suffer from degradation because of the scanner’s physical limitations, the radiotracer’s reduced dose, and the ... -
Residual SDS reducing methods in the process of decellularization of muscle tissue
(Springer, 2019)Developing bioinks that are biocompatible and well-suited with the printing process is crucial for the progress of 3D bioprinting tissue engineering field. Decellularized extracellular matrix (dECM) bioink is considered a ... -
Resiliencia como antecedente del aprendizaje organizacional en el contexto de la pandemia por COVID-19
(2022-02-01)Hoy en día las organizaciones están en constante aprendizaje en todos los ámbitos, y más en estos tiempos de pandemia, por ello los dirigentes deben estar preparados para hacer frente a cualquier ... -
Resistencia de la unión eje/cubo mediante un modelo por elementos finitos
(Tecnológico Nacional de México, 2019-11)The present work describes a finite element model of a shaft/hub joint with an interference fit of Ø20H7/s6; which aims to evaluate and analyze the axial strength of the joint according to the surface roughness of the parts ... -
Resolution in the 3D modeling of objects for additive manufacturing and reverse engineering–shutter effect
(2021-04-30)This article presents a proportional relationship between Shutter and the value of the resolution scanning system that allows decision making for modeling 3D parts used in reverse engineering and additive manufacturing. ...