Statement of the problem of designing a liquid rocket engine dual bell nozzle of the maximum thrust using the direct method of the calculus of variations by Ivan Dubrovskyi, Valerii Bucharskyi

“…The fig. 1 shows the general case of the contour of such a nozzle, for which a corner in the generatrix is located at points a and b. …”
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Preliminary Analysis on the Global Features of the NCEP CFSv2 Seasonal Hindcasts by Gyrlene A. M. Silva, Lívia M. M. Dutra, Rosmeri P. da Rocha, Tércio Ambrizzi, Érico Leiva

“…Over the central-eastern Equatorial Pacific a cooler bias in SST is found during JJA. These biases are interpreted by analyses of the simulated global mean-state and their impact on the main patterns of variability.…”
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Study of Transformer Core Vibration and Noise Generation Mechanism Induced by Magnetostriction of Grain-Oriented Silicon Steel Sheet by He Qiang, Nie Jingkai, Zhang Songyang, Xiao Weimin, Ji Shengchang, Chen Xin

“…The SSS microstructure was observed, its magnetostrictive properties at different magnetic flux densities were tested, and a core-simulating four-corner iron core model was constructed to analyze the vibration characteristics. …”
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Use of Telemedicine in Addiction Treatment: Current Practices and Organizational Implementation Characteristics by Todd Molfenter, Roger Brown, Andrew O’Neill, Ed Kopetsky, Alexander Toy

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Microstructural Investigations of Rapidly Solidified Al-Co-Y Alloys by B. Avar, M. Gogebakan, M. Tarakci, Y. Gencer, S. Kerli

“…The alloys with different compositions in the Al-rich corner of the Al-Co-Y ternary system were prepared by conventional casting and further processed by melt-spinning technique. …”
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Average daily cooling capacity of radiation conditioning system by V. I. Karagusov, I. N. Pogulyaev

“…Experimental studies have shown that the radiation conditioning system has a cooling capacity in summer from 4 to 7 kW with a radiation cooler of 100 m2…”
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Cambio Climático, Identidad Cultural y Restauración Biocultural: el Caso de Tzintzuntzan; Michoacán, México by Roberto Lindig Cisneros, Marina Barajas-Arroyo, Erika Gómez-Pineda, Gabriela Arroyo Robles, José Luis Punzo-Díaz

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Miguel Ángel Bertolami: pionero en ecología del paisaje en la Patagonia árida by Mariana Andrea Buzzi, Bárbara Lisa Rueter

“… Miguel Ángel Bertolami fue un pionero en la ecología del paisaje en la árida región de la Patagonia argentina. Nacido en 1956 en Coronel Suárez, Buenos Aires, Bertolami se graduó en Ciencias Biológicas en la Universidad Nacional del Sur y se mudó a Comodoro Rivadavia para dedicarse a su pasión por la Patagonia. …”
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Desarrollo de habilidades lectoras en los educandos de cuarto grado by Dairys Correa-Herrera, Emeria A. Ulloa-Paz, Odalys Fis-Díaz

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Incidencia de los índices de criminalidad rural en Ecuador by Eduardo Luciano Hernández Ramos, Kevin Alexander Samaniego Macas, Arleth Samantha Amaya Tuarez

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Estudio de calidad del aire en canteras a cielo abierto en General Roca, Argentina. by Paula Andrea Paez, Marisa Gloria Cogliati, Raúl Alberto Giacosa

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The characters of fairy tales in the children's book illustration: a dragon and a witch by Ingrida Korsakaitė

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Propuesta metodológica para el abordaje psicológico de los prestadores de salud a las personas en centros de aislamiento por COVID 19 by Laura Magda López Angulo, Anais Marta Valladares González, Osvaldo Canel Núñez

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Combined Use of Excimer Laser and High-Speed Rotational Atherectomy to Overcome a Severely Calcified Lesion in Endovascular Therapy by Keisuke Nakabayashi, Shinya Hata, Nobuhito Kaneko, Akihiro Matsui, Kazuhiko Tanaka, Hiroshi Ando, Minoru Shimizu

“…However, no devices (minimal balloon, microcatheter, or Crosser system) were able to pass the lesion in antegrade or retrograde manner, even though the child catheter support or needle cracking technique from outside/inside was applied. …”
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Domiciano y Tritium Magallum: nueva interpretación de una banda epigráfica en un cuenco de terra sigillata de La Cereceda (Tricio, La Rioja) by María Josefa Castillo Pascual, Urbano Espinosa Ruiz

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Creatividad rebelde feminista. Tejiendo la colectividad a través de la reivindicación del cuerpo y la apropiación de la performance “Un violador en tu camino” del Colectivo Lastesi... by Kasumi Iwama

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Analíticas de recursos humanos para la gestión del cambio y de la felicidad by Arturo-Julián Abellán-Sevilla, Marta Ortiz-de-Urbina-Criado, Eva-María Mora-Valentín

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Instrumentos y métodos para evaluar el conocimiento pedagógico del contenido en profesores de Educación Física: una revisión de alcance by Jorge Enrique Correa-Bautista, Edward Javier Prieto Suarez, Mary Luz Camargo-Sepulveda

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Constelações pós-utópicas: sobre a poesia de Haroldo de Campos by Diana Junkes Bueno Martha

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La formación de ciudadanos: la escuela, un escenario posible by José Rubén Castillo García

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