Gotowe bibliografie tematyczne / Energy Loss Process

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Gotowa bibliografia na temat „Energy Loss Process”

Autor: Grafiati

Data publikacji: 7 września 2023

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Artykuły w czasopismach na temat "Energy Loss Process"

Yang, Jian-Jun, i Guang-Lie Li. "Energy loss in nuclear Drell–Yan process". European Physical Journal C 5, nr 4 (1998): 719. http://dx.doi.org/10.1007/s100520050315.

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Yang, Jian-Jun, i Guang-Lie Li. "Energy loss in nuclear Drell–Yan process". European Physical Journal C 5, nr 4 (październik 1998): 719–22. http://dx.doi.org/10.1007/s100529800872.

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Chun-Gui, Duan, i Wang Hong-Min. "Energy Loss Effect in High-Energy Drell–Yan Dimuon Process". Communications in Theoretical Physics 37, nr 4 (15.04.2002): 435–38. http://dx.doi.org/10.1088/0253-6102/37/4/435.

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Duan, C. G., L. H. Song, L. J. Huo i G. L. Li. "Energy loss effect in high energy nuclear Drell-Yan process". European Physical Journal C 29, nr 4 (sierpień 2003): 557–61. http://dx.doi.org/10.1140/epjc/s2003-01256-7.

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Futamura, Shingo. "Deformation Index—Concept for Hysteretic Energy-Loss Process". Rubber Chemistry and Technology 64, nr 1 (1.03.1991): 57–64. http://dx.doi.org/10.5254/1.3538540.

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Abstract The concept of deformation index can be effectively used to determine the relevant dynamic viscoelastic property which best correlates with the performance of the rubbery material. The concept also indicates the type of deformation that may govern a complex energy loss process, although, in this study, the underlying physical process was not experimentally identified.

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Fischer, Szabolcs, i Szabolcs Kocsis Szürke. "DETECTION PROCESS OF ENERGY LOSS IN ELECTRIC RAILWAY VEHICLES". Facta Universitatis, Series: Mechanical Engineering 21, nr 1 (10.04.2023): 081. http://dx.doi.org/10.22190/fume221104046f.

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The paper deals with the detection process of energy loss in electric railway hauling vehicles. The importance of efficient energy use in railways and cost-effective rail transport tendency toward regenerative braking energy are considered. In addition, the current situation and improvement opportunities to achieve efficient energy use are examined. Seven measurement series were performed with scheduled Railjet trains between Hegyeshalom and Győr railway stations in Hungary. This railway section is related to the Hungarian State Railways' No. 1 main railway line (between Budapest-Kelenföld and Hegyeshalom state board), which is a part of the international railway line between Budapest and Vienna (capitals of Hungary and Austria, respectively). This double-track, electrified railway line with traditional ballasted superstructures and continuously welded rail tracks is important due to the international passenger and freight transport between Germany, Austria, and Hungary. The value of the regenerative braking energy can be even 20-30% of the total consumed energy. This quite enormous untapped energy can be used for several aims, e.g., for comfort energy demand (air conditioning, heating-cooling, lighting, etc.) or energy-intensive starts. The article also investigates the optimization of regenerative braking energy by seeking the energy-waste locations and the reasons for the significant consumption. The train operator's driving style and habit have been identified as one of the main reasons. Furthermore, train driver assistance systems are recommended to save energy, which is planned for future research.

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Duan, Chun-Gui, Shu-Wen Cui i Zhan-Yuan Yan. "Quark Energy Loss and Shadowing in Nuclear Drell–Yan Process". Communications in Theoretical Physics 44, nr 1 (lipiec 2005): 123–27. http://dx.doi.org/10.1088/6102/44/1/123.

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Kohyama, Yasuharu, Naoki Itoh, Akihiko Obama i Haruhiko Mutoh. "Neutrino energy loss in stellar interiors. V - Recombination neutrino process". Astrophysical Journal 415 (wrzesień 1993): 267. http://dx.doi.org/10.1086/173162.

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Steele, J. D., J. M. Titchmarsh, J. N. Chapman i J. H. Paterson. "A single-stage process for quantifying electron energy-loss spectra". Ultramicroscopy 17, nr 3 (styczeń 1985): 273–76. http://dx.doi.org/10.1016/0304-3991(85)90095-6.

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Langer, T., H. Pfnür, H. W. Schumacher i C. Tegenkamp. "Graphitization process of SiC(0001) studied by electron energy loss spectroscopy". Applied Physics Letters 94, nr 11 (16.03.2009): 112106. http://dx.doi.org/10.1063/1.3100776.

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Rozprawy doktorskie na temat "Energy Loss Process"

Soundararajan, Rengarajan. "Efficiency loss analysis for oxy-combustion CO2 capture process : Energy and Exergy analysis". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-14177.

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Natural gas combined cycles with oxy-fuel combustion is expected tobe an important component of the future carbon constrained energyscenario. An oxy-combustion power cycle enables the fuel to burn in anitrogen free environment and thereby helps separate the CO2 streamfor storage. Depending on the oxygen source and purity, the CO2stream may need further purification via a purification unit (CPU)before compressing it to a high pressure for storage. The major energy penalty in this type of power cycle is the production of oxygenand the downstream purification to remove volatiles. It is this energypenalty which results in the cost of avoiding the CO2 emissions to theatmosphere.Cryogenic Air Separation Units (ASU) for oxygen production con-tribute to approximately 20% of the total energy penalty of such powerplants. Oxygen Transport Membranes (OTM) for oxygen production offers a potential solution to reduce the energy penalty of oxy-combustion natural gas cycles. The energy penalties associated withOTMs are that membranes operate at high temperatures and requirea sweep gas to establish an oxygen partial pressure difference betweenthe feed and permeate streams. Further, while the Cryogenic ASUhas minimum integration with the power process, oxy-combustion cycles with OTMs are tightly integrated with the power plant. Thusthe contributions to efficiency penalty in an OTM-based cycles aredistributed and not easily identified.The objective of the thesis is to answer the question: "Where doesthe plant efficiency loss originate in oxy-combustion CO2 capture process using Oxygen Transport Membrane as compared to one withcryogenic ASU?" The contribution of the work will be to highlight thelosses at the sub-process and at the equipment level.This work studies three different cases of oxy-combustion naturalgas combined cycles (NGCC) with CO2 capture. The baseline scenario, modified/improved scenario and the advanced scenario. Thebaseline scenario is a simple oxy-combustion NGCC power plant withASU as the oxygen source. Various losses associated with this systemare studied in detail. The modified/improved scenario involves analysis of possible modifications to the baseline case and applying theresults in-order to improve the baseline case. The modified scenario isexpected to have a better overall plant performance. The advancedscenario involves usage of OTM for oxygen production.The power plants are simulated in Aspen HYSYS and plant massand heat balances are calculated. Using the stream enthalpy, entropyand composition, we can calculate the stream exergy values. Controlvolumes help us analyze the component and sub-system exergy lossesand arrive at the overall power plant exergetic efficiency. The base-line power plant scheme is found to have an exergetic efficiency of 47percentage points with a thermal efficiency of 49.6 percentage, withcapture.The modified power plant scheme is obtained by increasing the gasturbine pressure ratio and this has a significant impact on the over-all system design and hence the performance. The modified systemhas exergetic and thermal efficiency of 49 and 51 percentage pointsrespectively. The advanced power plant with OTM, also called as theAdvanced Zero Emissions Powerplant (AZEP) has an exergetic efficiency of 51 and a thermal efficiency of 53.4 percentage. In all the cases, the combustor where most of the fuel is burnt is responsible formajority of the exergy destruction.There is potential for improving the ASU and thereby achieving alesser specific oxygen production power and also due to system integration and other improvements, the overall oxy-combustion NGCCpower plant is expected to play an important role in 5 - 10 years. Alsoas the working fluid is different from that of a normal air based powerplant, significant work needs to be done in the gas turbine and compressor part. Also detailed cost estimations, reliability and flexibilitystudies, operability and safety related studies need to be carried outin-order to boost the confidence in oxy-fuel NGCC power plants andtake it to the next phase.

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Muto, S., K. Tatsumi, K. Ikeda i S. Orimo. "Dehydriding process of alpha-AlH3 observed by transmission electron microscopy and electron energy-loss spectroscopy". American Institite of Physics, 2009. http://hdl.handle.net/2237/12636.

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Bjervås, Jens. "Simulation of dry matter loss in biomass storage". Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-261200.

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Material degradation and a decrease of fuel quality are common phenomena when storing biomass. A magnitude of 7.8% has been reported to degrade over five months when storing spruce wood chips in the winter in Central Europe. This thesis presents a theoretical study of biomass storage. It includes investigations of bio-chemical, chemical and physical processes that occur during storage of chipped woody biomass. These processes lead to degradation caused by micro-activity, chemical oxidation reactions and physical transformation of water. Micro-activity was modeled with Monod kinetics which are Michaelis-Menten type of expressions. The rate expressions were complemented with dependency functions describing the impact of oxygen, moisture and temperature. The woody biomass was divided into three fractions. These fractions represent how hard different components of the wood are to degrade by microorganisms. Chemical oxidation was modeled as a first order rate expression with respect to the active components of the wood. Two different cases have been simulated during the project. Firstly, an isolated system with an initial oxygen concentration of air was considered. This case displayed a temperature increase of approximately 2˚C and a material degradation less than 1%. The second case considered an isolated system with an endless depot of oxygen. This case resulted in degradation losses around 0.45-0.95% in the temperature range between 65-80˚C during approximately 300 days of storage. The temperature increased slowly due to chemical oxidation.

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Xu, Ye. "Kilowatt Three-phase Rotary Transformer Design for Permanent Magnet DC Motor with On-rotor Drive System". Thesis, Mittuniversitetet, Avdelningen för elektronikkonstruktion, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-27781.

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The aim of this thesis is to design a kilowatt three-phase step-down rotary transformer for a permanent magnet DC motor. The permanent magnet DC motor has an on-rotor drive system, and therefore requiring a power supply that can transfer power to its drive unit without mechanical contact. The rotary transformer has a detached magnetic coupling structure that qualifies it as a potential method for the wireless power transfer. This thesis studies the rotary transformer as a static device, focusing on its core loss. By using a transient finite element analysis of COMSOL Multiphysics and an iron loss prediction model, the rotary transformer was optimized in terms of efficiency and power density for the on-rotor drive system through proper material selection and geometry exploration. After this, a mechanical design, which based on a literature review of the influences of manufacturing processes on electrical steels, was proposed for realizing the core fabrication and the rotary transformer assembly. The results show that the rotary transformer can step down 400 V/50 Hz three-phase voltage to 13.15V in a Delta-wye connection and output 1.17kW power over an air-gap of 0.3mm with 95.94% overall efficiency. The proposed mechanical design enables the transformer to minimize the core loss and the manufacturing cost. Without using resonant inductive coupling, this transformer design simplifies the power supply for the motor, thereby decreasing the motor manufacturing and maintenance cost.

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Guaglio, G. "Reliability of the beam loss monitors system for the Large Hadron Collider at CERN". Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2005. http://tel.archives-ouvertes.fr/tel-00128836.

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L'énergie stockée dans le Large Hadron Collider est sans précédent. La perte des particules du faisceau peut endommager gravement les aimants supraconducteurs, ayant pour résultat des temps significatifs d'arrêt pour la réparation. Le système des moniteurs de pertes du faisceau (en anglais: BLMS) détecte les gerbes de particules secondaires créées par les pertes faisceau et provoque l'extraction du faisceau avant que des dommages sérieux de l'équipement ne puissent se produire. Cette thèse définit les caractéristiques du BLMS en termes de la fiabilité. Le but principal est la conception d'un système réduisant au minimum soit la probabilité de ne pas détecter une perte dangereuse, soit le nombre de fausses alarmes produites. La théorie et les techniques de fiabilité utilisées sont décrites. La Prédiction de fiabilité, Analyse des Modes de Défaillance de leurs Effets et de leur Criticité (en anglais: FMECA), et l'Analyse par Arbre de Défaillance ont été employées pour fournir une évaluation de la probabilité d'endommager un aimant, du nombre de fausses alarmes et du nombre d'avertissements produits. Les composants les plus faibles dans le BLMS ont été précisés. Les chiffres de fiabilité du BLMS ont été calculés en utilisant un logiciel commercial (IsographTM). L'effet de la variation des paramètres sur les résultats obtenus a été évalué avec une Analyse de Sensibilité. Le modèle de fiabilité a été complété par les résultats des tests d'irradiation. Des améliorations de la conception du système, comme la transmission optique redondante, ont été mises en application grâce à un processus itératif. Le système proposé est conforme aux requêtes de fiabilité. Les incertitudes du modèle proviennent de la connaissance limitée des niveaux de seuils des aimants supraconducteurs et de la localisation des pertes autour de l'anneau. Le modèle mis en œuvre permet des modifications du système, suivant la mesure des taux de risque pendant la durée de vie du LHC. Il peut également fournir des valeurs de référence à d'autres accélérateurs qui mettront en application des technologies semblables.

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Naïm, Charles-Joseph. "Cold nuclear matter effects in Drell-Yan process and charmonium production". Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASP038.

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Le phénomène de perte d’énergie des quarks et des gluons se propageant dans un milieu en interaction forte a été mis en évidence pour la première fois dans les collisions d’ions lourds par les expériences auprès des accélérateurs RHIC et LHC. Une autre manière de sonder les propriétés de la matière nucléaire est d'étudier la production de processus durs dans les collisions hadron-noyau. En effet, dans ce cas, le milieu nucléaire est simple : sa densité ainsi que sa taille sont connues. Dans cette thèse, le processus Drell-Yan et la production de Jpsi ont été étudiés à travers une analyse expérimentale et phénoménologique. La collaboration COMPASS au CERN a collecté un nombre significatif d’événements Drell-Yan et Jpsi en utilisant un faisceau de pions négatifs d’énergie égale à 190 GeV sur deux cibles nucléaires : aluminium (Al) et tungstène (W). De l’analyse des événements à l’extraction des rapports des sections efficaces nucléaires, en passant par l’analyse Monte-Carlo, cette thèse décrit chaque étape de l’analyse expérimentale. Enfin, une analyse basée sur l'ensemble des données DY et Jpsi existantes, incluant celles de l'expérience COMPASS, a permis de réaliser une extraction précise des propriétés de transport de la matière nucléaire froide
The Jet Quenching phenomenon observed in the heavy ions collisions at the LHC and RHIC made it possible to highlight the radiation energy loss effects of quarks and gluons propagating in a QCD medium. Another way to the properties of the nuclear matter is to consider the production of hard processes in hadron-nuclei collisions. In this case, the nuclear medium, the cold nuclear matter, is simple; its density and size are known. The Drell-Yan process and charmonium production are investigated in this thesis through an experimental and phenomenological study.The COMPASS collaboration at CERN collected the Drell-Yan and Jpsi events in high statistics in pion-nuclei collisions on two nuclear targets: tungsten (W) and aluminium (Al). From the signal extraction to the evaluation of nuclear dependence of the cross sections, including Monte Carlo simulations, each step of the experimental analysis is discussed. Finally, a global analysis of the Drell-Yan and Jpsi nuclear world data, including the COMPASS preliminary data, was performed. It highlighted the radiative energy loss and transverse momentum broadening effects. A precise extraction of the properties of the transport in the nuclear matter was carried-out

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Chávez, Tiburcio Alexander, i Marcelo Julio Cesar Gutiérrez. "Propuesta de mejora en los procesos de alquileres de maquinaria y equipos pesado en una empresa constructora". Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2016. http://hdl.handle.net/10757/622167.

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En la presente tesis se muestra la mejora de los procesos de atentación del área de logística de equipos de una empresa líder de soluciones de ingeniería y construcción de proyectos. Según el informe registrado por el Organismo Supervisor de la Inversión de Energía y Minería, determina que la demanda de energía aumentara para el 2016 en 400MW (un crecimiento anual del 10%), lo cual implica la elaboración de nuevos proyectos para la transmisión de la energía, tales como: CH Quitaracsa, Cheves, Chaglla, CH Pucará y otros. Ante ello se puede inferir que la empresa está presente en los sectores más relevantes de la economía, como generación y distribución de energía, dado esta oportunidad de crecimiento sostenible nacional la empresa tiene la oportunidad de aprovechar la presente coyuntura. Por lo cual es importante indicar que la implementación de la presente tesis contribuirá significativamente en el aumento de la disponibilidad de equipos para la ejecución de los proyectos de la presente empresa. Inicialmente se estableció la base temática del desarrollo de la propuestas de mejoras del proceso, conjuntamente se buscó identificar y analizar los factores que producen un impacto negativo actual en la atención de los equipos alquilados. Luego se formularon propuestas de mejora para la cual se utilizó una metodología que se soporta bajo el concepto continúa de los procesos. Posteriormente, la implementación de las propuestas de mejora permitirá eliminar progresivamente las principales causas que afectaban la adecuada atención de equipos utilizados en los diferentes proyectos. Finalmente, se realizaron las conclusiones y recomendaciones respectivas basándonos en la información recopilada durante en el estudio realizado en las instalaciones de la empresa
Tesis

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Muñoz, Quiñones Jorge Andrés. "Estudio experimental de los procesos de transporte y transferencia de masa en la capa limite béntica de estuario". Tesis, Universidad de Chile, 2007. http://repositorio.uchile.cl/handle/2250/104613.

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Se realizó una investigación en el tema de la Hidrodinámica de sistemas acuáticos ambientales, específicamente, acerca de los procesos de flujo y transporte en la capa límite béntica de estuarios afectados por oleaje. Este estudio se enmarca dentro del proyecto FONDECYT “Turbulencia y Transporte en la capa límite béntica de Lagos y Estuarios, Estudio de Terreno y Modelación”. Los experimentos fueron realizados en un canal abierto de 12 m de largo y 0.3 m de ancho, con un lecho de sedimentos de arena uniforme de 0.5 mm. Se instalo un generador de oleaje en el extremo de aguas abajo. Sus frecuencias de oscilación fueron controladas mediante una computadora. En un tramo central del canal, de 0.5 m de largo, el lecho fue aislado y saturado con un trazador, el cual fue inyectado a través de agujeros ubicados en el fondo. Además se utilizó una esponja como difusor, la cual permite obtener una concentración uniforme y homogénea del trazador en el lecho de sedimentos. Se utilizó una solución salina de concentración baja como trazador, para poder detectarlo en el flujo con la ayuda de un sensor de conductividad. La cota del estanque principal que contiene la solución salina se mantuvo constante e igual al nivel medio de la superficie libre del canal, para así no crear un flujo artificial del trazador hacia la columna del agua. Se utilizó un sensor eléctrico para registrar la altura del flujo y el período de onda. Un sensor de velocidad tipo ADV y un sensor de conductividad, fueron utilizados para medir la estructura de la turbulencia en el flujo y la concentración de sal en la columna del agua, a lo largo de varios perfiles situados en la línea central del canal, en la región donde el trazador fue inyectado al lecho de sedimentos. Se realizaron 3 tipos de experiencias para 2 caudales distintos: una experiencia solo con flujo gravitacional y otras 2 con oleaje de períodos distintos. Se integraron los perfiles de concentración del trazador a lo largo del volumen de control, para determinar el intercambio de masa entre la columna de agua y los sedimentos. Se utilizó un modelo lineal de intercambio de masa, considerando la diferencia entre las concentraciones de sal en los sedimentos y la columna del agua, para así determinar un valor del coeficiente total del intercambio. Se adimensionalizó el coeficiente de intercambio mediante el número de Sherwood y se graficó en función del número de Reynolds del flujo. Los resultados obtenidos demuestran que existe un aumento del número de Sherwood a medida que aumenta el número de Reynolds, es decir, la turbulencia generada por el flujo provoca aumento en la transferencia de masa. Esto último es consecuente con los resultados obtenidos en experiencias similares de transferencia de oxígeno disuelto. Además, se concluyó que el efecto de agitación por oleaje aumenta el valor del coeficiente total de intercambio y por ende del número de Sherwood, para un mismo número de Reynolds. El efecto de las olas modifica la estructura del flujo y la turbulencia, aumentando los gradientes de velocidades, la energía cinética turbulenta y la componente vertical de la velocidad, lo que provoca el aumento del intercambio de masa entre la columna de agua y los sedimentos.

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Cabellos, Mestanza Felipe Martín. "Modelo de gestión basado en procesos de los servicios generales de la Institución Pública Osinergmin". Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2016. https://hdl.handle.net/20.500.12672/5635.

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Publicación a texto completo no autorizada por el autor
Explica cómo la gestión de los servicios generales prestados en Osinergmin mejoraría a través de la aplicación del enfoque basado en procesos.
Tesis

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Cerda, Bollmann Carolina. "Alineamiento de los procesos de : evaluación del desempeño y detección de necesidades de capacitación, en una empresa del rubro de energía renovable". Tesis, Universidad de Chile, 2017. http://repositorio.uchile.cl/handle/2250/147644.

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Tesis de grado para optar al grado de MAGÍSTER EN GESTIÓN DE PERSONAS Y DINÁMICA ORGANIZACIONAL
Constantemente las Organizaciones procuran alcanzar sus resultados evaluando así su aporte a la sociedad, de ello depende su sobrevivencia en un medio ambiente altamente competitivo. La evaluación de los resultados de la Organización, está estrechamente ligada a la rentabilidad observada. Independientemente de si se habla de una empresa multinacional o bien de una pequeña organización sin fines de lucro. La rentabilidad así vista, refleja la relación existente entre los beneficios que proporciona su operación y la inversión o el esfuerzo que se ha hecho; ello expresa también, el beneficio que entrega la organización a sus accionistas, usuarios, beneficiarios y stake holders en general. El propósito de las organizaciones es definido en una declaración, visión o misión de su quehacer en sociedad, éste se hace accesible a través de la definición de una estrategia que finalmente se traduce en objetivos más específicos, por los que trabaja toda la empresa, haciendo su aporte desde su ámbito de conocimiento y acción. El presente estudio, pretende realizar un análisis respecto de cómo desde la función de Recursos Humanos se realizan aportes concretos para el logro de la estrategia organizacional y el logro de los objetivos organizacionales. Más específicamente, está referido al análisis del impacto de uno de los subsistemas de recursos humanos; que es el proceso de evaluación del desempeño y su vínculo con el proceso de capacitación y entrenamiento, entendiendo que este último puede ayudar en la mejora de los resultados del desempeño, y en consecuencia aportar en el logro de los objetivos organizacionales. La relevancia de analizar el impacto del vínculo entre el desempeño y la capacitación en las organizaciones, radica precisamente en apuntar tanto a la eficiencia como a la eficacia de los procesos involucrados, asimismo, en una mejor distribución de los recursos de acuerdo a su plan estratégico.

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Książki na temat "Energy Loss Process"

Intermittent Fasting for Women Over 50: The Complete Beginner's Guide to Weight Loss, Increased Energy and Detoxing Your Body with the Process of Metabolic Autophagy. Independently Published, 2020.

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Franklin, Agatha. Autophagy Diet: Remove Toxicity and Provide Energy to Obtain a Rapid Weight Loss and Anti-Aging Process Through Ketogenic Diet, Intermittent Fasting and Extended Water by Agatha Franklin. Independently Published, 2019.

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Smith, Dorothy. Intermittent Fasting and Autophagy: A Step by Step Beginners Guide for Weight Loss, Build Muscle, Detox Your Body and Boost Your Energy Through the Process of Metabolic Autophagy. Independently published, 2019.

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Intermittent Diet for Women Over 50: The Complete Beginner's Guide to Weight Loss, Increased Energy and Detoxing Your Body with the Process of Metabolic Autophagy + 75 Recipes and Diet Plan. Independently Published, 2020.

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Fuhrman, Amy. Intermittent Fasting for Women Over 50: A Comprehensive Guide 101 to a Lifestyle for Promote Longevity. Weight Loss, Increase Energy with a More Gently Approach with the Process of Metabolic Autophagy. Independently Published, 2020.

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Stephens, Jason. Intermittent Fasting for Women Over 50: The 21 Day Guide for Fast and Easy Weight Loss, Burn Fat and Slow Aging Through Metabolic Process of Autopaghy, Increase Energy and Improve Your Life Quality. Independently Published, 2020.

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Robinson, Erika. Intermittent Fasting for Women: How to Lose Weight Without Exercise, Boost Energy, Reverse Diabetes, and Prevent Cancer - Slow down the Aging Process. Independently Published, 2019.

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Katherine, Maggie. Intermittent Fasting for Women Over 40: A Perfect Guide to Lose Weight, Boost Your Energy, Detox Your Body and Slow the Aging Process. Independently Published, 2022.

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Baracos, Vickie E., Sharon M. Watanabe i Kenneth C. H. Fearon. Aetiology, classification, assessment, and treatment of the anorexia-cachexia syndrome. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199656097.003.0205.

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Anorexia-cachexia is a heterogeneous and multifactorial syndrome most likely driven by systemic inflammation and neuroendocrine activation. Key diagnostic features include reduced appetite, weight loss, and muscle wasting. Key clinical problems include management of anorexia without resort to artificial nutritional support, and muscle wasting that cannot be completely arrested/reversed even with such intervention. Assessment should cover domains such as body stores of energy and protein, food intake, performance status, and factors resulting in excess catabolism. Intervention should be early rather than late, informed by the assessment process and focused on a multimodal approach (nutrition, exercise, and pharmacological agents). This chapter aims to discuss these issues and provide (a) the reader with some background principles to classification, (b) a simple approach to patient assessment and a robust algorithm for basic multimodal treatment, and (c) an overview of the evidence base for different pharmacological interventions.

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Boudreau, Joseph F., i Eric S. Swanson. Simulation. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198708636.003.0015.

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This chapter is devoted to Monte Carlo simulation of stochastic processes, both fundamental processes and those involving radiation transport through macroscopic material. The computation of fundamental processes builds on the treatment of rotations and Lorentz transformations from the previous chapter and expands it with a discussion of computational techniques for the evaluation of Feynman diagrams. The simulation of radiation transport covers electromagnetic processes such as ionization energy loss, bremsstrahlung, and pair production. A discussion of real-life challenges in the simulation of radiation transport is included, as well as a brief discussion of simulation toolkits that are available for solving industrial-strength problems. The discussion is intended to give an overview of some of the principal computational and numerical techniques enabling these toolkits.

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Części książek na temat "Energy Loss Process"

Hirs, Gerard. "Exergy Loss: A Basis for Energy Taxing". W Energy Efficiency in Process Technology, 1241–53. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1454-7_109.

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Ávila Filho, Salvador, Ivone Cerqueira i Jade Spínola Ávila. "Energy Loss Risk (ELOS R) in Supply Chain, Micro-processes to Decrease Greenhouse Gas Emissions". W Advances in Manufacturing, Production Management and Process Control, 354–66. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94196-7_33.

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Aktulga, H., V. Ravindra, A. Grama i S. Pandit. "Machine Learning Techniques in Reactive Atomistic Simulations". W Lecture Notes in Energy, 15–52. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-16248-0_2.

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AbstractThis chapter describes recent advances in the use of machine learning techniques in reactive atomistic simulations. In particular, it provides an overview of techniques used in training force fields with closed form potentials, developing machine-learning-based potentials, use of machine learning in accelerating the simulation process, and analytics techniques for drawing insights from simulation results. The chapter covers basic machine learning techniques, training procedures and loss functions, issues of off-line and in-lined training, and associated numerical and algorithmic issues. The chapter highlights key outstanding challenges, promising approaches, and potential future developments. While the chapter relies on reactive atomistic simulations to motivate models and methods, these are more generally applicable to other modeling paradigms for reactive flows.

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Fet, Annik Magerholm, Cecilia Haskins i Magnus Sparrevik. "Input-Output Analysis and Cleaner Production". W Business Transitions: A Path to Sustainability, 37–43. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-22245-0_4.

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AbstractThis chapter gives an overview of the basic principles for analysing material flows for production processes. This type of analysis is based on a calculation of materials going in and out of a process. Typical materials to be accounted for are energy, raw materials and other supporting materials. Likewise, outputs from a production process are waste of different types, emissions to air, water and soil, as well as noise, radiation, vibrations, and loss of heat. In an input-output analysis, the by-products from the process are also accounted for. The chapter also explains the principles of cleaner production starting with the motivation from corporate leadership to make production processes cleaner: to reduce waste and emissions and use material in a more efficient way. The concept of Cleaner Production (CP) also embraces strategic changes for making production and products cleaner and greener. However, the purpose of the chapter to provide information about basic principles for collecting information to be used in an environmental account for organisations, which will help them improve their overall environmental performance.

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Gebregiorgis, Anteneh, Rajendra Bishnoi i Mehdi B. Tahoori. "Reliability Analysis and Mitigation of Near-Threshold Voltage (NTC) Caches". W Dependable Embedded Systems, 303–34. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-52017-5_13.

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AbstractNear-threshold computing (NTC) has significant role in reducing the energy consumption of modern very large-scale integrated circuits designs. However, NTC designs suffer from functional failures and performance loss. Understanding the characteristics of the functional failures and variability effects is of decisive importance in order to mitigate them, and get the utmost NTC benefits. This chapter presents a comprehensive cross-layer reliability analysis framework to assess the effect of soft error, aging, and process variation in the operation of near-threshold voltage caches. The objective is to quantify the reliability of different SRAM designs, evaluate voltage scaling potential of caches, and to find a reliability-performance optimal cache organization for an NTC microprocessor. In this chapter, the soft error rate (SER) and static noise margin (SNM) of 6T and 8T SRAM cells and their dependencies on aging and process variation are investigated by considering device, circuit, and architecture-level analysis.

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Beall, J. H. "Energy Loss Mechanisms for Fast Particles". W Physical Processes in Hot Cosmic Plasmas, 341–55. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0545-0_20.

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Palmer, R. E. "Energy Loss and (e,2e) Studies of Molecules on Surfaces". W (e, 2e) & Related Processes, 265–72. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2036-4_18.

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Deshpande, Paritosh C., i Arron W. Tippett. "Application of Material Flow Analysis: Mapping Plastics Within the Fishing Sector in Norway". W Business Transitions: A Path to Sustainability, 175–83. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-22245-0_17.

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AbstractPlastic in our marine environment is now ubiquitous. Abandoned lost or otherwise discarded fishing gear (ALDFG) is of particular concern due to its ability to continue to function as a trap for marine organisms. In order for decision makers to act on this grave issue, we require data on the flow of ALDFG into the marine environment. One key tool for revealing the flow of material within a specific system is Material Flow Analysis (MFA). MFA takes a life cycle approach (cradle to grave) to assess energy or material flows in a system within space and time boundaries. It can be applied at multiple levels from the industrial process level to the national level. This chapter presents a case study of an MFA conducted on fishing gear in Norway. The MFA methodology was used in this case study to assess the flow of plastic fishing gear from production through to recycling, final disposal or loss to the marine environment. Data was collected for the MFA through stakeholder interviews, literature reviews and analysis of government data sets. The MFA revealed that around 4000 tons of plastic fishing gear enters the system in Norway and around 400 tons enter the marine environment each year. An analysis of the implications of the MFA for the key actors within the life cycle chain of fishing gear is presented and a short description of the links between MFA and the circular economy and sustainable development is provided. Furthermore, the relevance and implications of using MFA tool for policy making at national and regional level is discussed and elaborated while associated challenges are presented here.

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Gonzalez, R. E., M. T. Stephens, C. Toma, K. J. Elwood i D. Dowdell. "Post-earthquake Demolition in Christchurch, New Zealand: A Case-Study Towards Incorporating Environmental Impacts in Demolition Decisions". W Springer Tracts in Civil Engineering, 47–64. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68813-4_3.

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AbstractThe 2010/2011 Canterbury Earthquake Sequence resulted in severe loss and disruption in Christchurch, New Zealand due to liquefaction and damage from strong shaking. Following the earthquake, over 60% of concrete buildings with 3 + stories in the Christchurch CBD were demolished, resulting in a widespread displacement of people and business, an excess of $NZD 40 billion in losses, and significant environmental impacts from the demolition. Following the event, it was revealed that environmental impacts were not a direct consideration in demolition decision making. This paper provides a quantitative evaluation of the environmental impacts of the demolitions in Christchurch to highlight the importance of including environmental considerations when deciding between repair or demolition of a damaged building. First, the quantitative and qualitative factors that led to the demolitions following the Canterbury Earthquake Sequence are discussed to provide context for the argument that environmental impacts should be included in such considerations. Next, the environmental impacts of building demolitions in Christchurch are presented in terms of the embodied CO2 and energy in the building materials; the demolition process and waste disposal are not considered in this initial evaluation. Finally, a brief discussion on incorporating environmental impacts into the demolition decision making paradigm is presented. Moreover, consideration of environmental impacts of demolitions supports the need to move toward low-damage design in the future evolution of building codes.

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Hsu, F. C., C. J. Tong, M. T. Lin i Y. C. Cheng. "Measurement of Energy Loss in Thin Films Using Microbeam Deflection Method". W Mechanics of Time-Dependent Materials and Processes in Conventional and Multifunctional Materials, Volume 3, 89–96. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-0213-8_13.

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Streszczenia konferencji na temat "Energy Loss Process"

OH, TAE-MIN, MINSU CHA, GYE-CHUN CHO i EUN-SOO HONG. "STIFFNESS AND ENERGY LOSS CHARACTERISTICS DURING SATURATING-DRYING PROCESS IN LOW POROSITY ROCK". W Proceedings of the International Conference on ANDE 2007. World Scientific Publishing Company, 2008. http://dx.doi.org/10.1142/9789812790194_0110.

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Biryukov, V. V., V. I. Sopov, S. A. Evdokimov, Y. A. Prokushev i E. A. Spiridonov. "T-bus power supply system optimization by the criterion of process energy loss minimization". W 2007 International Forum on Strategic Technology. IEEE, 2007. http://dx.doi.org/10.1109/ifost.2007.4798627.

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Durgam, Shiva Krishna, Yang Xu, Zhili Hao, Sunder Sarangan i Tim Dallas. "Investigation of Energy Loss Mechanisms in Surface-Micromachined Resonators". W ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-10213.

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This paper presents an analytical and experimental investigation of energy loss mechanisms in surface-micromachined resonators. The numerical models of anchor loss and thermoelastic damping are created in ANSYS/Multiphysics, according to a separation-and-transfer method and a thermal-energy method, respectively. Surface-micromachined resonators are fabricated using the SUMMiT V MEMS foundry process and the measured Quality (Q) factors from these resonators are compared with the created numerical models, showing good agreement. The measured highest Q value is 35,088 at a resonant frequency of 1 l MHz. Thermoelastic damping is found to be the dominant loss in these surface-micromachined resonators.

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Weili Gu, Hanqing Wang i Guangxiao Kou. "Notice of Retraction: Analysis on exergy loss of combustion process in the organic heat transfer material heater". W 2010 International Conference on Advances in Energy Engineering (ICAEE 2010). IEEE, 2010. http://dx.doi.org/10.1109/icaee.2010.5557544.

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"Activated carbon/graphene composite electrodes with green polymeric binder for carbon dioxide reduction: Preliminary study". W Sustainable Processes and Clean Energy Transition. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902516-30.

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Abstract: In the present study, a few types of green polymer binder such as Xanthan gum (XG), Carboxyl methylcellulose (CMC) and Sodium alginate (SA) have been prepared with activated carbon-graphene oxide composite electrode (AC/GO). Throughout the experiment, CMC as an individual polymeric binder produce the least amount of the weight loss (8.28%). To enhance the adhesion, the binder was mixed with synthetic binder (PEI), which results in mass loss of 1.86%. Furthermore, the electrochemical analysis depicts that AC/GO-SA produces the highest current rate (-7.8 mA/cm-2) throughout the 30 min of reduction process, with 16.9% Faradaic efficiency. The experimental results show that a facile, low-cost, eco-friendly design of green polymer binder is promising for the carbon dioxide reduction, thus, promote a greener technology.

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Liu, Suyang, Gai Tsukamoto, Haoming Che, Sichang Zhang, Zijian Zhang i Masahide Inuishi. "A Novel 1.2kV Snap-back Suppressed RC-VIGBT with Small Switching Energy Loss and Simple Fabrication Process". W 2023 7th IEEE Electron Devices Technology & Manufacturing Conference (EDTM). IEEE, 2023. http://dx.doi.org/10.1109/edtm55494.2023.10103000.

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Turta, Alex, Ashok Singhal, Ravinder Sierra, Malcolm Greaves i Mohammad Islam. "Evaluation of the First Field Piloting of the THAI Process: Athabasca Pilot". W SPE Canadian Energy Technology Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212780-ms.

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Objectives/Scope The paper describes the first field piloting of the Toe-To-Heel Air Injection (THAI) process - a novel in-situ combustion (ISC) process, which uses vertical air injectors and horizontal producers. The pilot (located in the Athabasca region of Canada) consisted of three adjacent pairs of vertical-horizontal well arranged in a direct line drive configuration, with a lateral spacing of 100m. Methods, Procedures, Process An in-depth analysis was performed for the determination of the ignition delay during initiation of the ISC via enhanced spontaneous ignition using a steam slug injection. Numerous bottomhole temperatures (BHT) recordings from 11 observation wells allowed to establish the loss of air in an upper formation and the lateral development of the burned zone. Using many thermocouples located along the horizontal section of producers, the determination of the ISC front advancement along the horizontal drains was possible. Based on this, a rough estimate of the volumetric sweep was made. Due to sand influx and other factors, all horizontal producers were replaced; the period of air injection stoppage - during the drilling of replacement producers – caused a substantial modification of the process. Results, Observations, Conclusions Initiation of ISC process by spontaneous ignition occurred within 1-2 months. A robust ISC was generated and sustained during the five-year piloting. Oxygen utilization was almost 100%, indicating a remarkable stability of the process. The lateral development of the burned zone was limited, within 20 m laterally off the horizontal producer trajectory. The ISC front advanced approximately half of the distance toe-heel, along the horizontal section. Loss of air vertically, led to the formation of a secondary ISC front in an upper formation with no production outlets (production wells). This loss of air and the presence of a thin bottom water zone (from which a significant amount of water was produced) decreased the efficiency of the process. During the air injection interruption (3-4 months), a pronounced pressure decline in the burnt-out zone caused its oil re-saturation leading to coke deposition and blockage; subsequent ISC front propagation along the replacement wells was not satisfactory and these wells did not improve the performance. The pilot confirmed the laboratory findings regarding the production of in-situ upgraded oil and, revealed that THAI generates significant amounts of hydrogen as part of the produced gases. Upgrading of the produced oil was in the range of 2° to 8° API., while the oil viscosity decreased 220 times, from 550,000cp to 2500cP The oil recovery from the pilot was estimated at 7%. In its stabilized phase, the effective oil rate per well was 10-20 m3/day, as compared with 3-4 m3/day in all previous old ISC trials in Athabasca. The air-oil ratio was in the range of 5,000 to 6,000 sm3/m3. Novel/Additive Information It is the first time that day-by-day in-situ upgrading is fully validated in the oil field. Therefore, THAI is the first EOR process fully proven for producing underground upgraded oil without using any additional exterior heat sources.

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Subramanian, Swaminathan, Khiem Ly i Tony Chrastecky. "Energy-Filtered Imaging of Polysilicon Defects, Gate Dielectric and Silicon Nanocrystals Using Plasmon Energy-Loss Electrons". W ISTFA 2012. ASM International, 2012. http://dx.doi.org/10.31399/asm.cp.istfa2012p0359.

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Abstract Transmission electron microscope based elemental analysis techniques utilize X-ray photons in EDS and inelastically scattered electrons or the energy-loss electrons in electron energy-loss spectroscopy and energy-filtered transmission electron microscopy (EFTEM). This paper discusses the applications of EFTEM to visualize polysilicon defects, gate dielectric and silicon nanocrystals using inelastically scattered low energy-loss electrons. It focuses on features that are primarily composed of silicon and silicon-oxide. Various benefits of using plasmon energy-loss electrons to image silicon nanocrystals layer in thin film storage device are also outlined. Even though this work has focused on low-loss imaging of features and defects in the front-end of the process based on silicon/silicon-oxide integrated circuits, these techniques can also be applied to technologies based on other materials by selecting appropriate plasmon peaks corresponding to those materials.

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Sun, Liangfeng, Arthur M. Sterling, Su-Seng Pang i Michael A. Stubblefield. "Rheological Analysis of Curing Process of Epoxy Prepreg Used as Composite Pipe Joints". W ASME 2002 Engineering Technology Conference on Energy. ASMEDC, 2002. http://dx.doi.org/10.1115/etce2002/ot-29154.

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The rheological properties of curing process of epoxy prepreg were measured by Bohlin Rheometer. The variations of storage modulus, loss modulus and viscosity are monitored vs. the cure time and temperature. Viscosity profiles were described by different models. Except the first order viscosity models, new viscosity models based on Boltzmann function were proposed. In the new models, a parameter called critical time was introduced. Critical time is a function of temperature and also meets an Arrhenius law. The activation energy calculated by critical time closes to that obtained by initial viscosity. The kinetic rate constants in the old and new models are comparable at each temperature, and the kinetic activation energies calculated from rate constants in the old and new models are very close. The fitting results show that the proposed new viscosity models are better than the old models for both isothermal and dynamic cure processes.

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Sudarsana, Dewa Ketut, i Putu Ari Sanjaya. "Analysis of loss of time value during road maintenance project". W GREEN PROCESS, MATERIAL, AND ENERGY: A SUSTAINABLE SOLUTION FOR CLIMATE CHANGE: Proceedings of the 3rd International Conference on Engineering, Technology, and Industrial Application (ICETIA 2016). Author(s), 2017. http://dx.doi.org/10.1063/1.4985448.

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Raporty organizacyjne na temat "Energy Loss Process"

Kiefner, John. PR218-183607-Z01 Peer Review of the Plausible Profile (Psqr) Corrosion Assessment Model. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), wrzesień 2019. http://dx.doi.org/10.55274/r0011621.

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This project consisted of a review by subject matter experts of a new corrosion assessment model developed by TC Energy. This new model retains some of the fundamental aspects of RSTRENG but utilizes a novel approach to characterize the shape of metal loss. The new model, called the Psqr Model, utilizes plausible profiles as opposed to the single RSTRENG "river-bottom" profile. The .zip file includes the TC Energy Report, an Excel spreadsheet that demonstrates the process, as well as the PRCI project report.

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Maydykovskiy, Igor, i Petras Užpelkis. The Physical Essence of Time. Intellectual Archive, grudzień 2020. http://dx.doi.org/10.32370/iaj.2450.

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The article considers the model of the space-frequency-time continuum, according to which the physical essence of Time is manifested as a fraction of electromagnetic energy spent on updating a material object in a cyclic process of copying-incarnation. For all structural levels of physical reality, the value of this fraction is a fundamental constant, which can be represented as the tangent of the loss angle, or expressed in radians, as the angle of inclination of the evolutionary spiral, which characterizes the rate of change of states or the duration of events and processes. The value of this constant can be calculated, and its value turns out to be identically equals to the square of the fine structure Constant (α2). The description of the method for identifying a new constant allows us to present the formula of Scientific Discovery as the Physical Essence of Time.

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Hallack, Michelle, Mauricio Tolmasquim i Medardo Cadena. La transformación del sector de energía pospandemia: Recomendaciones de política y regulación para la reactivación económica. Inter-American Development Bank, sierpień 2021. http://dx.doi.org/10.18235/0003557.

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AUTORCarvalho Metanias Hallack, Michelle; Tolmasquim, Mauricio; Cadena, MedardoFECHAAug 2021DESCARGA:Español (0 descargas)DOIhttp://dx.doi.org/10.18235/0003557Promover la reactivación económica de América Latina y el Caribe es una de las principales apuestas de los gobiernos, y constituye un espacio en el que el sector energético puede hacer grandes aportes. Es esencial que los diferentes actores del sector de energía participen de la discusión y aporten con acciones necesarias para avanzar con la rapidez y solidez que las circunstancias actuales lo exigen. También es importante aprovechar la oportunidad para avanzar en rezagos históricos del sector como en la meta de acceso universal, pero por sobre todo resulta indispensable acelerar los procesos de transición energética e impulsar el aprovechamiento óptimo y eficiente de los recursos abundantes de la región con una visión integrada. En esta publicación, recogemos los principales planes y mensajes abordados en los Diálogos de Energía de América Latina y Caribe en 2020, organizado por BID y OLADE.

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Sánchez Villafañe, Ana Lucía, María Catalina Echeverri Londoño, Alicia Cristina Romero Mattos, Laura Andrea Villegas Pachón i Nicolle Andrea Salazar Martínez. Propuesta de acompañamiento psicosocial con víctimas del conflicto armado: algunas reflexiones metodológicas. Ediciones Universidad Cooperativa de Colombia, grudzień 2021. http://dx.doi.org/10.16925/wpri.02.

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Este documento da cuenta del acompañamiento psicosocial con víctimas del conflicto armado, realizado desde el Centro Integral de Promoción de Derechos (CIPD), ejecutado por la Facultad de Psicología de la Universidad Cooperativa de Colombia, Seccional Cali, en la comuna 15, en el periodo febrero-noviembre de 2020, en el marco del proceso de apropiación social del conocimiento del proyecto de investigación “Significados de solidaridad en víctimas de violencia sociopolítica de la comuna 15 y 18 de la ciudad de Cali y su relación con las prácticas de fortalecimiento del tejido social” (julio de 2019 a enero de 2021), así como desde las prácticas formativas de los estudiantes de Psicología con la Fundación Peñas Vive. El proyecto se constituyó en una oportunidad para proponer una comprensión sobre el acompañamiento psicosocial. Una de las reflexiones más importantes en este ejercicio fue la dimensión ético-política que todo proceso de acompañamiento trae consigo, pues es fundamental dar cabida y lugar a las visiones, creencias, sentires y prácticas de los colectivos. En este sentido, debe partirse de una interacción o vínculo con las personas a quienes se acompaña, centrada en el dar. Un segundo aspecto relevante es el de proponer metodologías que promuevan procesos de transformación de realidades. Ambos asuntos permiten hacer una apuesta por ese “otro”, que en este caso han estado en lugares de vulnerabilidad, exclusión, victimización e invisibilización, pero no por eso han perdido su capacidad de actuar y soñar, de denunciar y exigir.

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Garceau, Sean. PR-283-20207-R01 Field Trial of Solar Turbines Methane Emissions Reduction Solution for Gas Compressors. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), lipiec 2022. http://dx.doi.org/10.55274/r0012230.

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The Methane Emissions Reduction solution designed by Solar Turbines was installed and evaluated at the Berkshire Hathaway Energy (Dominion) Chambersburg station in Pennsylvania, USA. Solar Turbines supplied a dry seal recompression (DSR) system and a process vent recompression (PVR) system at the station. The objective of the field trial was to evaluate the durability of this new system, compare the performance in the field to simulation models and as needed make improvements to the mechanical design and/or software control. The dry gas seal recompression system was installed and connected to a Solar Turbines C402 process compressor dry seal primary vent to capture, hold, and reuse dry seal gas leakage. The process vent recompression system was connected to the C402 compressor discharge piping to capture the process gas during pressurized hold and inject it back into the suction line in lieu of venting the gas to atmosphere. Operational data for the two systems was collected for 22-months starting in January 2020 and ending in October 2021. Data was collected at different sample rates; high speed (10ms, 100ms), 1 second, 10 seconds, and 1 hour through historical logs and analyzed for this period of time to evaluate the durability of the systems. Several enhancements were implemented and validated. Data collected during a 12-month period showed that a recycle line and volume bottles on the suction of the compressor helped optimize the performance of the compressor and increased durability. In addition, the use of the auxiliary drain recapture tank on the DSR system allowed for the achievement of a capture rate greater than 99% and resolved issues associated with leakage back into the compressor's first stage inlet during the charge period of the cycle.

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George, Hawley i Owston. PR-015-09603-R01 LNG Measurement Uncertainty Analysis. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), wrzesień 2010. http://dx.doi.org/10.55274/r0010699.

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The U.S. natural gas industry is expected to import increasing amounts of liquefied natural gas (LNG) in the near future. When an LNG tanker ship arrives at an LNG terminal, the quantity of LNG transferred to the terminal is found by measuring the changes in static volume within the ships tanks. The LNG volume is inferred from measurements of the liquid height, along with tables of tank characteristics predetermined by a method known as �tank strapping.� Once transferred, the LNG is then regasified at the terminal before being sent to limited distribution companies (LDCs) or power plants. There is concern that the basis for uncertainty estimates in the energy content of the transferred LNG (typically taken as �0.5% to �0.6%) may underestimate the true magnitude of measurement uncertainties. Dynamic methods of liquid flow measurement, gas flow measurement, product sampling, and composition determination used elsewhere in the energy industry may reduce the measurement uncertainties at the LNG terminal, as they relate to terminal balances. Measurement uncertainties for conventional meters and equipment placed into LNG service may lead to more accurate LNG measurement and reduced lost-andunaccounted for (LAUF) quantities at receipt terminals. This report describes research to evaluate the measurement uncertainties associated with both static and dynamic methods of determining LNG volumes and energy content delivered to, processed by, and shipped from, LNG terminals. This was performed to determine whether dynamic methods are potentially more effective than existing static methods for accurate measurements and LAUF determination at LNG terminals. Another objective of the research was to establish which methods offer the most potential for reducing custody transfer measurement uncertainty and LAUF within LNG receipt terminals.

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Castelltort Aiguabella, F. X., i J. C. Balasch Solanes. ¿PUEDE EL EBRO MULTIPLICAR SUS CRECIDAS MÁS DE UN ORDEN DE MAGNITUD? Ilustre Colegio Oficial de Geólogos, listopad 2020. http://dx.doi.org/10.21028/fxc.2020.11.11.

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Las megacrecidas fluviales son episodios de una gran trascendencia geomorfológica por su alta capacidad energética y su muy baja frecuencia en el registro geológico. Su rareza es superior en áreas alejadas de las grandes masas glaciares continentales. Los problemas de desagüe de los desfiladeros del curso bajo del Ebro son la causa de la acumulación de depósitos fluviales con origen en el río Ebro que han remontado los valles de torrentes tributarios en la cubeta de Móra. El paradigma de estas formaciones es el torrente del Comte, donde dos unidades deposicionales de edad diferente muestran procesos de flujo torrente arriba, hasta unos 4 km, y reflujo torrente abajo, con estructuras sedimentarias de muy alta energía. El uso de herramientas de simulación hidráulica bidimensional indica que serían necesarios caudales punta superiores a los 100.000 m3 · s-1, con alturas de agua de unos 24 m en la zona de la confluencia, para introducir estos sedimentos a las posiciones de afloramiento. Los efectos se verían reforzados por la influencia de niveles del mar más elevados que el actual.

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Shmulevich, Itzhak, Shrini Upadhyaya, Dror Rubinstein, Zvika Asaf i Jeffrey P. Mitchell. Developing Simulation Tool for the Prediction of Cohesive Behavior Agricultural Materials Using Discrete Element Modeling. United States Department of Agriculture, październik 2011. http://dx.doi.org/10.32747/2011.7697108.bard.

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The underlying similarity between soils, grains, fertilizers, concentrated animal feed, pellets, and mixtures is that they are all granular materials used in agriculture. Modeling such materials is a complex process due to the spatial variability of such media, the origin of the material (natural or biological), the nonlinearity of these materials, the contact phenomenon and flow that occur at the interface zone and between these granular materials, as well as the dynamic effect of the interaction process. The lack of a tool for studying such materials has limited the understanding of the phenomena relevant to them, which in turn has led to energy loss and poor quality products. The objective of this study was to develop a reliable prediction simulation tool for cohesive agricultural particle materials using Discrete Element Modeling (DEM). The specific objectives of this study were (1) to develop and verify a 3D cohesionless agricultural soil-tillage tool interaction model that enables the prediction of displacement and flow in the soil media, as well as forces acting on various tillage tools, using the discrete element method; (2) to develop a micro model for the DEM formulation by creating a cohesive contact model based on liquid bridge forces for various agriculture materials; (3) to extend the model to include both plastic and cohesive behavior of various materials, such as grain and soil structures (e.g., compaction level), textures (e.g., clay, loam, several grains), and moisture contents; (4) to develop a method to obtain the parameters for the cohesion contact model to represent specific materials. A DEM model was developed that can represent both plastic and cohesive behavior of soil. Soil cohesive behavior was achieved by considering tensile force between elements. The developed DEM model well represented the effect of wedge shape on soil behavior and reaction force. Laboratory test results showed that wedge penetration resistance in highly compacted soil was two times greater than that in low compacted soil, whereas DEM simulation with parameters obtained from the test of low compacted soil could not simply be extended to that of high compacted soil. The modified model took into account soil failure strength that could be changed with soil compaction. A three dimensional representation composed of normal displacement, shear failure strength and tensile failure strength was proposed to design mechanical properties between elements. The model based on the liquid bridge theory. An inter particle tension force measurement tool was developed and calibrated A comprehensive study of the parameters of the contact model for the DEM taking into account the cohesive/water-bridge was performed on various agricultural grains using this measurement tool. The modified DEM model was compared and validated against the test results. With the newly developed model and procedure for determination of DEM parameters, we could reproduce the high compacted soil behavior and reaction forces both qualitatively and quantitatively for the soil conditions and wedge shapes used in this study. Moreover, the effect of wedge shape on soil behavior and reaction force was well represented with the same parameters. During the research we made use of the commercial PFC3D to analyze soil tillage implements. An investigation was made of three different head drillers. A comparison of three commonly used soil tillage systems was completed, such as moldboard plow, disc plow and chisel plow. It can be concluded that the soil condition after plowing by the specific implement can be predicted by the DEM model. The chisel plow is the most economic tool for increasing soil porosity. The moldboard is the best tool for soil manipulation. It can be concluded that the discrete element simulation can be used as a reliable engineering tool for soil-implement interaction quantitatively and qualitatively.

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Neira Montes, María Alejandra, Ricardo Becerra Sáenz, Dilia Lucía Prieto Hernández i Luisa Fernanda Berrocal Mora. Abierta configuration options Guía de servicio inclusivo para personas con discapacidad en el sector de Infraestructura y Energía. Inter-American Development Bank, marzec 2022. http://dx.doi.org/10.18235/0004035.

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La guía de servicio inclusivo para personas con discapacidad en el sector de infraestructura consiste en una herramienta práctica que indica paso a paso cómo una empresa puede transformarse para ofertar un servicio inclusivo a sus clientes, independientemente de sus condiciones. Esta guía está dirigida a todas empresas que de alguna manera interactúa con un cliente: distribuidoras de electricidad, puntos de pago de agua, estaciones de autobuses o metros. La guía es una invitación a promover y facilitar la inclusión de todas las personas. Tiene por objeto contribuir al logro de la meta planteada mediante la presentación de pautas básicas, buenas prácticas y ejemplos internacionales que permiten mejorar la calidad de los servicios mediante la realización gradual de “ajustes razonables” que cualquier organización puede implementar. Dichos ajustes suponen sencillas pero significativas transformaciones de las políticas corporativas y de los procesos de atención al cliente en sus diferentes canales: el presencial, el telefónico y el virtual.

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Sinde Cantorna, Sandra. Guía práctica para la implementación de proyectos de compra pública de innovación. Inter-American Development Bank, sierpień 2023. http://dx.doi.org/10.18235/0005076.

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La compra pública de innovación (CPI) es un instrumento de política de innovación desde la demanda, que en las últimas décadas ha incrementado su implementación en Iberoamérica. La CPI ofrece un nuevo escenario de apoyo a la innovación en el sector privado donde los gobiernos asumen un papel más proactivo y tractor. La implementación de la CPI exige el desarrollo de diferentes capacidades de innovación y de contratación en las personas del sector público, así como el uso de metodologías de trabajo enfocadas en el diseño de servicios y la generación de valor público. Desde el Banco Interamericano de Desarrollo (BID) existe un claro interés por apoyar su implementación en la región, mediante el aporte de herramientas que permitan comprender sus beneficios y las particularidades del proceso, y asimilar nuevos métodos de adquisición. Esta guía busca apoyar a los responsables de políticas de compras y de innovación en la mejor forma de implementar la CPI diferentes sectores de actividad del Banco: salud, energía, agua y saneamiento, agricultura y desarrollo rural, educación, medioambiente, turismo sostenible, transporte, y desarrollo urbano y Vivienda. La publicación recoge las lecciones aprendidas en varios estudios de caso y proyectos piloto auspiciados por el BID en la región, aplicando las políticas de adquisiciones vigentes desde 2020. Las principales lecciones aprendidas son que se requiere realizar un fuerte esfuerzo en la capacitación de los profesionales de compras para que puedan aplicar CPI, que la importancia del liderazgo innovador en los responsables de proyectos es clave para la implementación de la herramienta y que debe activarse al ecosistema innovador y emprendedor de la región para que confíe en las entidades públicas como socios tecnológicos.

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