Abstrac Chalcogenide glasses are within the group of phase change materials and are promising in their application to non-volatile electronic memories. Under electrical pulses, they can circulate between two amorphous and crystalline struc-tural states that are well differentiated in their conductivity. Assuming that the phase change mechanisms depend on the energy per unit volume delivered to the sensitive material, it is desirable to build cells on a micrometer scale, al-so considering that they could eventually be integrated into microelectronic manufacturing processes. In a previous work, we observed an abrupt decrease in the resistance of Sb70Te30 base thin films deposited by laser ablation in a temperature range of approximately 445 K when the sample is heated at low rates. From the results of differential scan-ning calorimetry and X-ray diffraction on samples obtained by the same method, we associate the change in resistivity with the crystallization process. In this work, we build micrometric devices with rectangular surface with Sb70Te30 as sensitive material, deposited on coplanar electrodes with spacing L (8 and 16 pm) and width W (4, 8, 16, 32 and 64 pm). We measure the voltage response of the devices when excited by scanning of increasing current and, between consecutive scanning, we measure the remaining resistance by applying a constant voltage value. In curves I-V, we identify a transformation from the original state to one of lower resistance, attributable to crystallization, but it was not possible to perform the reverse transformation to a state of higher resistance. Starting from the lack of knowledge about the conductivity of the material, we simulate the electric field in the cell using the Finite Element Method. The electrical conductivity of the chalcogenide glass in its initial state (amorphous) was estimated by adjusting its value in the simulations with different geometries, minimizing the difference between the measured and simulated resistances.

Resumen Los vidrios calcogenuros se encuentran dentro del grupo de los materiales de cambio de fase y son prometedores en su aplicación a memorias electrónicas no volátiles. Bajo pulsos eléctricos, pueden ciclar entre dos estados estructurales amorfo y cristalino que están bien diferenciados en su conductividad. Suponiendo que los mecanismos de cambio de fase dependen de la energía por unidad de volumen entregada al material sensible, es deseable construir celdas a escala micrométrica, considerando también que eventualmente podrían integrarse en procesos de fabricación microelectrónica. En un trabajo anterior, observamos una disminución abrupta en la resistencia de las películas delgadas base Sb70Te30 depositadas por ablación láser en un rango de temperatura de aproximadamente 445 K cuando la muestra se calienta a bajas velocidades. A partir de los resultados de la calorimetría diferencial de barrido y difracción de rayos X en muestras obtenidas por el mismo método, asociamos el cambio de resistividad con el proceso de cristalización. En este trabajo, construimos dispositivos micrométricos de superficie rectangular con Sb70Te30 como material sensible, depositado sobre electrodos coplanares con espaciado L (8 y 16 pm) y ancho W (4, 8, 16, 32 y 64 pm). Medimos la respuesta de voltaje de los dispositivos cuando se excitan mediante barrido de corriente creciente y, entre barridos consecutivos medimos la resistencia aplicando un valor de voltaje constante. En las curvas I-V identificamos una transformación del estado original a uno de menor resistencia, atribuible a la cristalización, pero no fue posible realizar la transformación inversa a un estado de mayor resistencia. Partiendo del desconocimiento sobre la conductividad del material, simulamos el campo eléctrico en la celda mediante el Método de los Elementos Finitos. La conductividad eléctrica del vidrio calcogenuro en su estado inicial (amorfo) fue estimada a partir de ajustar su valor en las simulaciones con diferentes geometrías minimizando la diferencia entre las resistencias medidas y simuladas.

RESUMEN El fallo en una máquina eléctrica constituye un proceso inevitable debido a las solicitaciones térmicas, mecánicas, eléctricas y ambientales a las cuales se ven expuestas a lo largo de su vida útil, sin embargo, con una adecuada estrategia de mantenimiento, es posible evitar fallas imprevistas y lograr que la máquina alcance su vida útil. Antes de someter al activo a cualquier régimen de pruebas, es preciso evaluar su historial de operación, debido a que el indicio de cambio inusual en su condición, podría acusar una falla incipiente. Los fallos de mayor ocurrencia en los generadores sincrónicos de polos salientes son los de excentricidad, al estar directamente ligados a síntomas de daños en los cojinetes. La introducción de la componente fundamental de la corriente por el neutro del generador como variable de estado de diagnóstico de la excentricidad, constituye un aporte que optimiza el proceso de gestión del mantenimiento por su fácil manejo y su alto contenido de información.

ABSTRACT The failure of an electrical machine is an unavoidable process due to the thermal, mechanical, electrical and environmental stresses to which it is exposed throughout its useful life, however, with a proper maintenance strategy, it is possible to avoid unforeseen failures and ensure that the machine reaches its useful life. Before subjecting the asset to any testing regime, it is necessary to evaluate its operating history, because the indication of an unusual change in its condition could indicate an incipient failure. The most common failures in salient poles synchronous generators are eccentricity failures, as they are directly linked to symptoms of bearing damage. The introduction of the fundamental component of the current through the neutral of the generator as a state variable for the diagnosis of eccentricity is a contribution that optimizes the maintenance management process due to its easy handling and high content of information.

Abstract This study presents a Systematic Literature Review (SLR) on artificial intelligence (AI) techniques applied to electric power prediction. The specialized databases employed in this review are Scopus, IEEE, ACM, and Google Scholar. This analysis provided a perspective on the artificial intelligence techniques utilized in this field, facilitating the identification of current and emerging trends. This offers a clear understanding of upcoming opportunities to enhance accuracy in electric power prediction and decision-making. A notable finding of this review was the predominant usage of Artificial Neural Networks (ANN) as the most prevalent technique in Machine Learning applied to electric power prediction. This preference is justified by the inherent ability of ANN to identify complex patterns and relationships in data, making them a valuable tool for electric power prediction. Additionally, the importance of essential factors in electric power prediction is highlighted, such as the significance of collecting relevant and representative data, encompassing historical and contextual information. Data preprocessing, which involves cleaning and transforming collected data to adequately prepare them for analysis and modeling, and data splitting, crucial for avoiding biases and accurately evaluating the predictive capability of the model, are also emphasized.

Resumen Este estudio presenta una Revisión Sistemática de la Literatura (RSL) sobre las técnicas de inteligencia artificial (IA) aplicadas para la predicción de energía eléctrica. Las bases de datos especializadas que se emplearon en esta revisión son Scopus, IEEE, ACM y Google Scholar. Este análisis ofreció una perspectiva sobre las técnicas de inteligencia artificial utilizadas en este campo, lo que facilitó la identificación de las tendencias presentes y en desarrollo. Esto proporciona una comprensión clara de las oportunidades venideras para mejorar la precisión en la predicción de la energía eléctrica y, en consecuencia, en la toma de decisiones. Un hallazgo destacado de esta revisión fue el predominio del uso de redes neuronales artificiales (RNA) como la técnica más prevalente dentro del campo de Machine Learning aplicado a la predicción de energía eléctrica. Esta preferencia se justifica por la capacidad inherente de las RNA para identificar patrones complejos y relaciones en los datos, lo que las convierte en una herramienta valiosa para la predicción de energía eléctrica. Además, se destaca la importancia de varios factores fundamentales en la predicción de energía eléctrica, como la importancia de recolectar datos relevantes y representativos, que abarquen tanto información histórica como contextual. El preprocesamiento de datos, el cual implica la limpieza y transformación de los datos recopilados para prepararlos adecuadamente para su análisis y modelado y la división de datos, crucial para evitar sesgos y evaluar de manera precisa la capacidad predictiva del modelo.

Resumen Un desafiante planteo que hace el divulgador científico Derek A. Muller, con un circuito eléctrico muy simple pero muy curioso, es elegido en función de su potencialidad para reflexionar sobre algunos aspectos básicos relacionados con la circulación de corriente. Aunque el propósito del planteo de Muller es mostrar que en los circuitos eléctricos la energía viaja por el espacio conducida por el campo electromagnético y no lo hace por los conductores, ese no es el tema de este trabajo, sino que se aprovecha el circuito propuesto por Muller para reflexionar sobre aspectos básicos de la circulación de la corriente eléctrica. Específicamente se mostrará cómo hallar la forma en que se inicia la circulación de la corriente, aprovechando las aproximaciones que este circuito permite hacer. Aunque el planteo de Muller apunta a otros objetivos, pone de relieve el problema de que la forma en que se inicia la circulación de la corriente en los circuitos es un tema que, debido a las dificultades matemáticas, no se profundiza ni en los niveles básicos ni en los avanzados. En este trabajo se plantearán algunas preguntas que asaltan tanto a un profesor de física como a un experto cuando se ven confrontados por el planteo de Muller, y se mostrará cómo se procede a la búsqueda de respuestas y se avanza gradualmente hasta construir un panorama claro del proceso correspondiente a este circuito.

Abstract A challenging proposal made by the scientific disseminator Derek A. Muller, with an electric circuit very simple but very curious, is chosen based on its potential to reflect on some basic aspects related to the electric current circulation. Although the purpose of Muller’s proposal is to show that in electrical circuits energy travels through space driven by the electromagnetic field and does not travel through conductors, that is not the topic of this work, but rather the circuit proposed by Muller is used to reflect on other basic aspects of the circulation of electric current. Specifically, it will be shown how to find the way in which the current circulation begins, taking advantage of the fact that this circuit allows appropriate approximations. Although Muller’s approach aims to other objectives, it highlights the problem that the way in which the circulation of current in circuits begins is a topic that, due to mathematical difficulties, is not explored in depth either at the basic or advanced levels. In this work questions will be raised that assail both a physics teacher and an expert when confronted with Muller’s proposal, and it will be shown how to proceed to search for answers and gradually advance until building a clear overview of the process corresponding to this circuit.

ABSTRACT The failure of an electrical machine is an inevitable process due to the thermal, mechanical, electrical and environmental stresses to which they are exposed throughout their useful life, however, with an adequate maintenance strategy, it is possible to avoid unforeseen failures and ensure that the machine fulfills its design functions, minimizing the risks of breakdown. The aim of this study is to evaluate a new variable of diagnostic state (VED) of the eccentricity of electric generator set in-service. As a result of the theoretical research carried out, it is determined that the fundamental component of the current through the neutral of the generator constitutes a variable that provides information on the degree of eccentricity of the asset, which can optimize the maintenance management process due to its easy handling and its high content of information on the condition of the rotating machine.

RESUMEN El fallo en una máquina eléctrica constituye un proceso inevitable debido a las solicitaciones térmicas, mecánicas, eléctricas y ambientales a las cuales se ven expuestas a lo largo de su vida útil, sin embargo, con una adecuada estrategia de mantenimiento, es posible evitar fallas imprevistas y lograr que la máquina cumpla sus funciones de diseños, minimizando los riesgos de avería. El presente trabajo pretende evaluar una nueva variable de estado de diagnóstico (VED) de la excentricidad de los generadores eléctricos en los grupos electrógenos en servicio. Como resultado de la investigación teórica realizada, se determina que la componente fundamental de la corriente por el neutro del generador constituye una variable que brinda información del grado de excentricidad del activo, lo cual puede optimizar el proceso de gestión del mantenimiento por su fácil manejo y su alto contenido de información sobre la condición de la máquina rotatoria.

Resumen: Este artículo presenta el desarrollo de una herramienta de cálculo de los residuos de los modos críticos de oscilación para un sistema eléctrico, utilizando datos del análisis modal de PowerFactory de DIgSILENT. El problema planteado es de gran importancia en los sistemas eléctricos actuales, los cuales se caracterizan por operar sus elementos al límite y si estas oscilaciones, no son adecuadamente amortiguadas, pueden causar fallas en la generación al reducir el nivel de estabilidad del sistema. PowerFactory es una herramienta de ingeniería para analizar sistemas eléctricos, utilizado ampliamente en la industria e investigación. Este software cuenta con un lenguaje propio de programación, a saber, DIgSILENT Programming Language (DPL), el cual permite procesar variables de interés desde el análisis modal, mismas que pueden ser usadas en otros dispositivos del sistema, como son los estabilizadores de sistemas de potencia (PSS). Mediante programación de las variables de interés, se calcula el residuo de los modos críticos de oscilación. Así, el cálculo del residuo requiere del procesamiento de la matriz de estados A facilitada directamente por PowerFactory y de la construcción de las matrices de las variables de entrada B y salida C, respectivamente, por medio de programación DPL para diferentes escenarios operativos del sistema eléctrico de potencia. La metodología de cálculo se ha aplicado a sistemas eléctricos disponibles en la literatura especializada en estabilidad oscilatoria en la cual se aplica la herramienta para observar la dinámica de los modos de oscilación con y sin PSS, siendo estos últimos sintonizados mediante el residuo calculado.

Abstract: This paper presents the development of a tool to calculate the residue of the critical oscillation modes for an electrical system obtained through the DIgSILENTs PowerFactory modal analysis tool. This problem is essential in current electrical systems that are characterized by operating their elements at the limit, and if these oscillations are not adequately damped, they can cause generator failures by reducing their level of stability, making the system vulnerable. PowerFactory is an engineering tool to analyze electrical systems, widely used in industry and research. This software has its own programming language, DIgSILENT Programming Language (DPL), providing the capability to process variables of interest from the modal analysis, which can be used in other system devices, such as power system stabilizers (PSS). The residue of the critical oscillation modes can be calculated by programming the variables of interest. Consequently, the calculation of residue requires the processing of the state matrix A provided directly by PowerFactory, whereas it is possible to construct the matrices of the input variables B and output variables C, respectively, by means of DPL programming for different operating scenarios of the electrical power system. The calculation methodology has been applied to electrical systems from the literature specialized in oscillatory stability. The tool is applied to observe the dynamics of the oscillation modes both with and without PSS, the latter being tuned by the calculated residues.

ABSTRACT Current corn sowing equipment shows relatively low levels of automation and intelligent response. Issues such as wheel slipping and chain jumping occur in seeders driven by wheels and chains, leading to a decrease in the seeding qualification rate. To solve the problems of wheel slipping and low control strategy accuracy, an electric control sowing system has been designed. This system uses radar to collect the locomotive speed and automatically adjusts the motor speed. To improve the control accuracy of the electric control system, a dual closed-loop control method is employed, and the proportional-integral-derivative (PID) controller parameters are optimized by combining the particle swarm optimization (PSO) algorithm and the fuzzy algorithm. Control accuracy tests and field tests are conducted for both the traditional PID control system and the fuzzy PID control system based on the PSO algorithm. The average error of this system is 0.622%, which is 1.6% lower than that for the traditional method. Field tests show that in operation, the sowing system achieves the average seeding qualification index of 93.99%, which is 3.19% higher than that for the traditional PID control method. The fuzzy PID control system shows improved sowing effectiveness compared to the traditional PID control method. response chains rate designed closedloop closed loop employed proportionalintegralderivative proportional integral derivative (PID (PSO 0622 0 622 0.622% 16 1 6 1.6 operation 9399 93 99 93.99% 319 3 19 3.19 062 62 0.622 1. 939 9 93.99 31 3.1 06 0.62 93.9 3. 0.6 93. 0.

Abstract This study verified the effect of the combination of preheated hydrofluoric acid/silane/electric current in the adhesion of the resin cement to ceramic. IPS E.max Press ceramic discs embedded in PVC rigid tubes were divided into four groups associating preheated hydrofluoric acid and silane applied with electrical current (n=10): Ha+S (Heated acid + silane); Ha+S+Ec (Heated acid + silane + electrical current); A+S (Acid + silane) and A+S+Ec (Acid + silano + electrical current). Resin cement/ceramic samples were stored in water at 37°C for 24h. After storage, they were submitted to the microshear test, fracture analysis, and contact angle at 24h or after thermocycling (10,000 cycles/5-55ºC). Bond strength data were evaluated by two-way ANOVA. For comparison between evaluation times (24h or thermocycling) was applied unpaired t-test. A significance post-hoc test of p=0.05 was assumed for analyses and graphs (GraphPad Prism 9.0 software). At 24h, the microshear strength showed similar values between Ha+S, Ha+S+Ec, and A+S+Ec groups, while A+S showed the lowest value with a statistical difference. After thermocycling, Ha+S and Ha+S+Ec were similar, as well as A+S and A+S+Ec. There was a significant difference in all groups comparing 24h (highest value) with after thermocycling (lowest value). Adhesive fracture was predominant in all groups and evaluation times. Ha+S and A+S groups showed higher contact angle values compared to the Ha+S+Ec and A+S+Ec with lower values. In conclusion, the association of preheated hydrofluoric acid/silane applied or not with electric current promoted different microshear strength values, fracture types, and contact angles in the resin cement/ceramic bond. acidsilaneelectric Emax E max n=10 n10 n 10 (n=10) HaS Ha S Heated HaSEc Ec current) AS Acid ASEc current. . cementceramic 37C C 37 h storage analysis 10,000 10000 000 (10,00 cycles/555ºC. cycles555ºC cyclesºC cycles/5 55ºC cycles 5 ºC cycles/5-55ºC) twoway two way ANOVA ttest. ttest t test. t-test posthoc post hoc p005 p 0 05 p=0.0 GraphPad 90 9 9. software. software software) highest value. conclusion acidsilane types bond n=1 n1 1 (n=10 3 10,00 1000 00 (10,0 555ºC cycles/555ºC cycles5 cycles/ cycles/5-55ºC p00 p=0. n= (n=1 10,0 100 (10, p0 p=0 (n= 10, (10 p= (n (1 (

Resumo Este estudo verificou o efeito da combinação ácido fluorídrico pré-aquecido/silano/corrente elétrica na adesão do cimento resinoso à cerâmica. Os discos cerâmicos IPS E.max Press embutidos em tubos rígidos de PVC foram separados em quatro grupos associando ácido fluorídrico pré-aquecido e silano aplicado com corrente elétrica (n=10): Ha+S (ácido aquecido + silano); Ha+S+Ec (Ácido aquecido + silano + corrente elétrica); A+S (Ácido + silano) e A+S+EC (Ácido + silano + corrente elétrica). Amostras de cimento resinoso/cerâmica foram armazenadas em água a 37°C por 24 horas. Após o armazenamento foram submetidas ao ensaio de micro cisalhamento, análise de fratura e ângulo de contato no período de 24 horas ou após termociclagem (10.000 ciclos/5-55ºC). Os dados de resistência de união foram avaliados por ANOVA dois fatores. Para comparação entre os tempos de avaliação (24 horas ou termociclagem) foi aplicado o teste t não pareado. Foi assumida significância de 5% para análises e gráficos (software GraphPad Prism 9.0). Em 24 horas, a resistência ao micro cisalhamento apresentou valores similares entre os grupos Ha+S, Ha+S+Ec e A+S+Ec, enquanto A+S apresentou menor valor com diferença estatística. Após a termociclagem, Ha+S e Ha+S+Ec foram similares, assim como A+S e A+S+Ec. Houve diferença significativa em todos os grupos comparando 24 horas (maior valor) com após termociclagem (menor valor). A fratura adesiva foi predominante em todos os grupos e tempos de avaliação. Os grupos Ha+S e A+S apresentaram maiores valores de ângulos de contato comparados aos grupos Ha+S+Ec e A+S+Ec com valores menores. Em conclusão, a associação ácido fluorídrico pré-aquecido/silano aplicado com corrente elétrica promoveu diferentes valores de resistência ao micro cisalhamento, tipos de fratura e ângulos de contato na adesão do cimento resinoso à cerâmica. préaquecido/silano/corrente préaquecidosilanocorrente pré aquecido/silano/corrente cerâmica Emax E max préaquecido n=10 n10 n 10 (n=10) HaS Ha S HaSEc Ec Ácido elétrica) AS ASEC EC elétrica. . resinosocerâmica 37C C 37 2 10.000 10000 000 (10.00 ciclos/555ºC. ciclos555ºC ciclosºC ciclos/5 55ºC ciclos 5 ºC ciclos/5-55ºC) fatores (2 pareado software 9.0. 90 9.0 9 0 9.0) ASEc estatística maior valor. menores conclusão préaquecido/silano préaquecidosilano aquecido/silano aquecidosilanocorrente n=1 n1 1 (n=10 3 10.00 1000 00 (10.0 555ºC ciclos/555ºC ciclos5 ciclos/ ciclos/5-55ºC ( 9. aquecidosilano n= (n=1 10.0 100 (10. (n= 10. (10 (n (1

Abstract This paper presents outcomes of a comprehensive investigation of the performance features of the compressed-vdipole antenna, recently introduced in the literature as being particularly suitable for unmanned surface boat applications. The moment-method solution to the rigorously formulated electric field integral equations for the problem, provided an approximation to the distribution of current on the antenna. A comparison of computational results due to this formulation with available measurement data demonstrated very good agreement between the two; to lend credence to the validity of the formulation. Profiles of the antenna’s input and radiation-zone characteristics (including input impedance, return loss, E-field patterns, and maximum directivity) presented in the paper describe how choice of apex angle, antenna electrical length, and degree of compression, influence the performance of the antenna. compressedvdipole compressed vdipole applications momentmethod moment method problem two antennas s radiationzone radiation zone including impedance loss Efield E patterns directivity angle length compression

Abstract Energy efficiency in the industrial sector aims to produce goods with lower energy consumption, using efficient practices and technologies throughout the production process, bringing economic, environmental, and social benefits. Taking this into consideration, the objective of this study was to evaluate energy efficiency in a furniture industry, employing the production of a dresser made of wood as the object of analysis. Data were collected through on-site measurements and records in the company's database. Voltage and current measurements were utilized to calculate the electrical energy consumption of each machine in the production of a dresser. Electric energy consumption was analyzed at each stage of the production process, and fractions of consumed energy, mechanical power, and operation time for each machine were determined. Utilizing energy efficiency indicators, energy consumption was compared with similar studies, and strategies were proposed to improve energy efficiency. The results showed that the CNC Machining Center machine is the one that consumes the most energy, representing 58% of the total energy, and that the specific energy consumption (SEC) indicator can be reduced from 143.71 MJ to 99.91 MJ if the suggested strategies are adopted in the production of the dresser. This research introduced the Economic Indicator (EC) as a measure directly related to SEC, in this sense, strategies were proposed that result in savings of R$5.93 per dresser produced. By emphasizing the cumulative impact of adopting multiple energy efficiency strategies and quantifying potential energy savings, this research underscores the importance of such endeavors. process economic environmental benefits consideration industry analysis onsite on site companys company s database power determined indicators studies 58 SEC (SEC 14371 143 71 143.7 9991 99 91 99.9 EC (EC sense R593 R 5 93 R$5.9 produced endeavors 1437 14 7 143. 999 9 99. R59 R$5. 1 R5 R$5 R$

This study presents the synthesis and in-depth evaluation of a novel Tin(IV) oxide/reduced graphene oxide (SnO2/rGO) nanocomposite developed as an electrode material for advanced electrochemical supercapacitors. Utilizing a scalable synthesis method with optimized parameters, the resulting nanocomposite was characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and scanning electron microscopy (SEM), revealing its well-defined morphology, crystal structure, and composition. Comprehensive electrochemical assessments, including galvanostatic charge-discharge (GCD), electrochemical impedance spectroscopy (EIS), and cyclic voltammetry (CV), demonstrated that SnO2/rGO exhibits superior performance metrics compared to pure SnO2. Notably, at a current density of 1 A g−1, the SnO2/rGO nanocomposite achieved a specific capacitance of 140 F g−1, surpassing the 133 F g−1 of pure SnO2. These findings highlight the SnO2/rGO nanocomposite's potential to significantly enhance energy storage capabilities, making it a promising candidate for applications in electric vehicles, portable electronics, and sustainable energy systems. indepth depth TinIV Tin IV Tin(IV oxidereduced reduced SnO2rGO SnOrGO SnO2 rGO SnO (SnO2/rGO supercapacitors parameters Xray X ray XRD, XRD , (XRD) TEM, TEM (TEM) SEM, SEM (SEM) welldefined well defined morphology structure composition assessments chargedischarge charge discharge GCD, GCD (GCD) EIS, EIS (EIS) CV, CV (CV) Notably g1 g 14 13 g− nanocomposites s capabilities vehicles electronics systems (XRD (TEM (SEM (GCD (EIS (CV

Abstract Based on the advertising campaign launched by the North American beer company Coors in 2021, in which the protocol known as Target Dream Incubation (TDI) was used aiming at the use of dreams for advertising purposes, we constructed a theoretical and philosophical reflection of the phenomenon that we designate as electrification of dream images. We deepen the discussion about the historical process through which images have been stripped of their symbolic power, until we reach the current stage that increasingly relies on interventions from the dream space for marketing purposes based on the logics of capital. To do this, we return to ideas from theorists such as Edgar Morin, Norval Baitello Jr., Jean Baudrillard and C. G. Jung, among others. We also explore the need to think about creative, imaginal, and imaginative escapes so that the archetypal dimension of human life is not denied, thus erupting in a pathological way, individually and collectively. 2021 TDI (TDI power capital this Morin Jr Jr. C G Jung others creative imaginal denied way collectively 202 20 2

Resumo A partir da campanha publicitária lançada em 2021 pela empresa norte-americana de cerveja Coors, na qual foi utilizado o protocolo conhecido como Target Dream Incubation (TDI) que tinha como objetivo o uso dos sonhos para fins publicitários, construímos no presente artigo uma reflexão teórico-filosófica do fenômeno que designamos como eletrificação das imagens oníricas. Aprofundamos a discussão sobre o processo histórico pelo qual as imagens vêm sendo destituídas de seu poder simbólico, até atingirmos o atual estágio que conta cada vez mais com intervenções do espaço onírico para fins mercadológicos com base na lógica do capital. Para isso, retomamos ideias de teóricos como Edgar Morin, Norval Baitello Jr., Jean Baudrillard e C. G. Jung, entre outros. Exploramos também a necessidade de pensar saídas criativas, imaginais e imaginativas para que a dimensão arquetípica da vida humana não seja negada, irrompendo assim de maneira patológica, individual e coletiva. 202 norteamericana norte americana Coors TDI (TDI publicitários teóricofilosófica teórico filosófica oníricas simbólico capital isso Morin Jr Jr. C G Jung outros criativas negada patológica coletiva 20 2

Abstract Osmotic dehydration (OD) is a widely used technique for lowering the moisture content and water activity of biological products. During OD, food is immersed in an aqueous hypertonic solution of salt and/or sugar. Food and the surrounding osmotic solution have different osmotic pressures which allows for the transportation of solute from the osmotic solution into the food product. OD could be utilized as a fortification method by addition of solutes of interest to the osmotic solution. Adding vitamins, dietary fibers, and minerals (such as calcium, iron, and zinc) to the osmotic solution can be used to create food with specific health-promoting qualities. Fortification of fruit and vegetable goods would effectively minimize and prevent diseases linked to nutritional inadequacies due to the high consumption rate of these products. OD could be a simple, affordable, and effective way to fortify food for social, economic, and health benefits. This study compiles data from existing studies dating back approximately two decades, focusing on the possibility of adding or impregnating bioactive compounds into fruits and vegetables through OD as well as the effects of combining OD with vacuum, ultrasound, and pulse electric field techniques on the incorporation of these bioactive compounds into solid food matrices. A brief overview of current OD trends is also provided, highlighting the use of lower-calorie sugar replacements to improve process efficiency and raise overall product quality. This study emphasizes the need for more research into OD to fortify, improve functionality, and incorporate nutraceutical characteristics in the food industry. (OD products andor vitamins fibers such calcium iron zinc healthpromoting promoting qualities simple affordable social economic benefits decades vacuum ultrasound matrices provided lowercalorie lower calorie quality functionality industry

In order to obtain a potential difference of tens of thousands of volts, electrostatic generators can be used. In this work, we describe how to make a simple electrostatic generator, whose working principle is based on electrification by friction. Moreover, we also describe how to estimate the expected values for both the produced voltage and the generated electric current by this generator. volts used work generator friction Moreover

Quando se deseja obter uma diferença de potencial de algumas dezenas de milhares de volts, pode-se utilizar geradores eletrostáticos. Neste trabalho, descrevemos como construímos um gerador eletrostático simples, cujo princípio de funcionamento se baseia na eletrização por fricção (atrito). Além disso, descrevemos também como estimar os valores esperados tanto para a tensão produzida como para a corrente elétrica gerada por esse gerador. volts podese pode eletrostáticos trabalho simples atrito. atrito . (atrito) disso (atrito

Three groups of unexpected experimental findings were published in the past twenty years in different research areas, opposing current paradigms, and supporting the following statements: (i) water is becoming the ideal medium for chemical synthesis; (ii) water is an electrifying agent of most materials; (iii) macroscopic matter is formed by charge mosaics that are often the outcomes of surface processes at the aqueous interfaces. These statements provoke major changes in chemical thinking that have a common feature: the behavior of chemicals in aqueous electrified interfaces may largely differ from their behavior in bulk and theoretical predictions. This review discusses eight widely accepted statements familiar to chemists, students, professors, and teachers, but challenged by many experimental findings obtained in systems having aqueous interfaces. A broader statement that is being used in this context is that the thermodynamic properties of ionic species change depending on the local electric potential, modifying their reactivity, mass transfer, and other properties. Beyond synthetic applications, atmospheric moisture is becoming a promising source of electricity. These new views create huge opportunities for chemical research and development, based on the most abundant and environmentally compatible chemical. Aqueous interfaces are thus a powerful toolbox for building a sustainable economy. areas paradigms i (i synthesis ii (ii materials iii (iii feature predictions chemists students professors teachers potential reactivity transfer applications electricity development economy