bluuebunny/crossref_metadata_2025 huggingface dataset:
Mechanical properties and constitutive model for artificially structured soils with an initial stress-induced anisotropy
Authors: He Chuan , Liu Enlong , Nie Qing
Published: April 2021

A series of triaxial compression tests was performed on artificially structured soil samples with an initial stress- -induced anisotropy at confining pressures of 25, 37.5, 50, 100, 200, and 400 kPa. Based on the results of these tests, a constitutive model for structured soils with initial stress-induced anisotropy was formulated. In the proposed model, the initially anisotropic structured soils are regarded as heterogeneous materials composed of bonded blocks and weaker bands. The bonded blocks (denoted as bonded elements) are described as transversely isotropic elastic– brittle materials, while the weaker bands (denoted as frictional elements) are described by the Lade–Duncan model of elastic–plastic materials. Based on the homogenization theorem for heterogeneous materials, and the introduction of structural parameters such as the breakage ratio and the local strain coefficient, the non-uniform distribution of stress and strain within a representative volume element was obtained. Finally, the parameters of the model were determined based on experimental results. The model was verified with test results, demonstrating that it can effectively capture many important features of artificially structured soils with an initial stress-induced anisotropy.
Modelo de pronóstico para estimar el comportamiento del precio en bolsa de la energía en Colombia
Authors: Gómez-Cano Lucero , Catalina-Cuellar Sandra , Méndez-Vargas Raphael
Published: April 2021

El objetivo de este trabajo es proponer un modelo estadístico que permita pronosticar el precio de la energía en bolsa en Colombia, incorporando el efecto de algunas de las variables que mayor impacto tienen sobre la formación de este. Para realizar el análisis, se procede con una contextualización del funcionamiento del mercado eléctrico en Colombia, dado que su estructura y modelo de operación determinan la formación de los precios de mercado, entre los cuales, el precio de energía en bolsa se convierte en uno de los que registra mayor volatilidad. Para identificar el modelo de pronóstico se utiliza la metodología de Box-Jenkins de series de tiempo y se propone el mejor modelo SARIMA, SARIMAX y VAR, a partir de los cuales se realiza los pronósticos correspondientes y los análisis de resultados.
Empatía y educación en la infancia y la niñez: un estado actual de la cuestión
Authors: Nuñez Fausto Andrés , Porras-Cruz Leidy Tatiana , Cárdenas-Soler Ruth Nayibe
Published: April 2021

El creciente interés por la educación emocional en la infancia motivó este trabajo, que busca examinar los aportes de diversas investigaciones, a partir de una revisión sistemática de documentos indexados en Google Académico, Web of Science, Science Direct, Scielo y Dialnet. Se consideró un total de 204 documentos, los cuales se referencian en la construcción narrativa de este texto; sin embargo, con el ánimo de determinar su pertinencia y relevancia, se hizo uso de matrices de análisis de contenido documental, a partir de las cuales se dio prevalencia a 62 documentos (desde 1985 hasta 2021). Los resultados se presentan en 3 categorías de análisis, que a su vez guiaron la revisión: empatía y razonamiento moral, empatía y desarrollo infantil; empatía en el ámbito educativo. Dentro de las conclusiones, es posible afirmar que existe una tendencia a centrar esta clase de estudios en las conductas prosociales y disruptivas en el ámbito educativo, además de sus posibles acciones educativas; por otra parte, estos hallazgos permiten determinar futuras líneas de trabajo en torno a la educación emocional y la empatía en la infancia.
La curva medioambiental de Kuznets y el crecimiento económico sostenible en Colombia
Authors: Gómez-Segura Camilo Fabiam , Cerquera-Losada Oscar Hernán , Acero-Cebay Edwin Fernando
Published: April 2021

El presente trabajo busca comprobar empíricamente la hipótesis de la curva medioambiental de Kuznets (CMK) en las emisiones de dióxido de carbono (CO₂) y óxido nitroso (N₂O) durante el periodo 1990-2012 para 217 economías, utilizando la base de datos del Banco Mundial. Se realizó un modelo de datos panel bajo tres alternativas (efectos fijos, efectos aleatorios y primeras diferencias). Los resultados obtenidos muestran que existe una relación de U invertida entre la contaminación ambiental (CO₂ y N₂O) y el producto interno bruto (PIB) per cápita como medida de crecimiento económico, siendo el método de efectos fijos el que genera estimaciones consistentes al aplicar la prueba de Hausman. No obstante, la relación entre contaminación y crecimiento económico presenta rendimientos decrecientes muy bajos, lo cual genera elevados puntos de inflexión principalmente en las emisiones de CO₂.
Repercusiones del desempleo en la estructura productiva colombiana
Authors: Vallejo Zamudio Luis E.
Published: April 2021

Colombia y el mundo viven una penosa situación laboral de magnitudes considerables, provocada por la pandemia de la COVID-19. Según cálculos preliminares realizados por organismos internacionales como el Banco Mundial y la Comisión Económica para América Latina (CEPAL), y nacionales como el Departamento Administrativo Nacional de Estadísticas (DANE), la pérdida de puestos de trabajo en lo referente a la economía mundial en el primer semestre de 2020 fue de 400 millones, mientras que para la economía colombiana en el segundo trimestre del mismo año fue de aproximadamente cinco millones.
El deseo de matar en la novela y el filme Ensayo de un crimen
Authors: Soni Araceli
Published: April 2021

El tema central de la novela (1944) y de la película (1955) Ensayo de un crimen de Rodolfo Usigli y de Luis Buñuel, respectivamente, es el asesinato artístico. El objetivo de este ensayo es analizar el desplazamiento de las estrategias narrativas de la novela al filme. El contexto recreado en las dos obras es la época posrevolucionaria mexicana. La metodología de análisis para el estudio de las relaciones espacio temporales, las significaciones y el estilo se establece con base en el concepto cronotopo (tiempo-espacio) de Mijaíl Bajtín y las categorías: orden, duración y frecuencia de Gerard Genette. Los resultados del estudio evidencian, entre otras cosas, que en la película, la representación simbólica de las pulsiones criminales,mediante los objetos, enfatiza el origen psicológico del crimen, atribuido a las relaciones edípicas irresueltas de los personajes. En la novela se puntualiza en que las causas del crimen tienen, también, rasgos de carácter social.
Design Guidelines for Socio-Domestic Systems Supporting Informal Elderly Caregiving
Authors: Gutierrez Francisco J.
Published: April 2021

Current communication practices broadly rely on social media services and instant messaging. However, in the context of intergenerational interaction, this paradigm has not been deeply studied from a holistic perspective, i.e., considering the attitudes, expectations, viewpoints, and concerns of all involved stakeholders. Therefore, there is still a broad amount of open research questions in exploring the potential and implications of designing, developing, and deploying computer-supported solutions in this domain. In this paper, we aim to model---in a comprehensive manner---the structure and dynamics of informal elderly caregiving and intergenerational communication, as a way to understand their socio-technical nuances as a way to support the design of novel computer-supported mechanisms to mediate these processes. More precisely, this implies identifying key design aspects, considering the perspective raised by older adults and how other family members articulate themselves in this context. By addressing the proposed design guidelines, social computing researchers, designers, and practitioners would be able to better understand the complexity of informal elderly caregiving, and identify plausible solutions that would improve user experience and the effectiveness of computer-supported mediation strategies.
The concurrent use of hyponatremia-inducing drugs in older patients, a case report
Authors: KOCAOĞLU Fatma Ece , BELİCE Tahir , DEMİR İsmail , YÜKSEL Arif
Published: April 2021

While the value of preventive healthcare services comes up repeatedly, the healthcare professionals are now trying to find solutions for the expanding geriatric population's problems before they occur. The risk of drug-drug interactions may get preventively reduced in older patients with the selection of co-medications that are less likely to interact. The choice of drugs for older patients is crucial when commencing with potential incriminated agents together, such as, serotonin and norepinephrine reuptake inhibitors, selective serotonin reuptake inhibitors, diuretics, proton pump inhibitors, nonsteroidal anti-inflammatory drugs, etc., which could interact with each other and cause hyponatremia in a short period of time. In this paper, a rare case of an older patient with venlafaxineinduced hyponatremia has been presented.
Analysis Of Extremely Low Frequency (ELF) Magnetic Field Exposure Impact On The Mass Of Great Red Chili Plant (Capsicum annum.L)
Authors: Laksmiari Karina , Sudarti Sudarti
Published: April 2021

The Extremely Low Frequency (ELF) magnetic field is a component of the electromagnetic wave spectrum with a frequency of <300 Hz. This research is an experimental study with the aim of examining the effect of exposure to Extremely Low Frequency (ELF) magnetic fields on the mass of chili plants (Capsicum annum L). Data collection techniques used are direct measurements. The results showed that chilli seeds exposed to a 300µT ELF magnetic field for 30 minutes gave a fresher and drier mass than the other samples. The use of a 30-minute duration ELF 300µT magnetic field on chili seeds gave better results for fresh and dry mass of chili plants.
PENERAPAN TEKNIK DEFORMASI BENDA GEOMETRI PADA LAMPU DINDING
Authors: Fatmasari Christine , Juliyanto Bagus , Ubaidillah Firdaus
Published: April 2021

In general, the wall lamp has a function as lighting. Wall lamps consist of lamp shades, connectors and stands. This study aims to obtain calculation methods for designing more varied lamp shades, connectors and stands. This research method is divided into several stages. First, build some basic objects as components of wall lamps from cone deformation, ten-prism prisms, tubes and beams with Bezier curve. Second, it arranges several basic objects of wall lamp components on the modeling axis. Third, arrange a program. The results of this study obtained calculation methods for designing various forms of constituent components of wall lamps from conical base objects, triangular prisms, tubes and beams. Furthermore, assembling the components of wall light on modeling axis.
SUSCETIBILIDADE AO COLAPSO DE DOLINAS CÁRSTICAS EM ROCHAS SILICICLÁSTICAS NO MUNICÍPIO DE CHAPADA DO GUIMARÃES (MT, BRASIL)
Authors: Kuhn Caiubi Emanuel Souza , Pires Renan Rodrigues , Reis Fábio Augusto Gomes Vieira , Corrêa Claudia Vanessa dos Santos
Published: April 2021

Este trabalho visa descrever um sistema cárstico em rochas siliciclásticas da Formação Ponta Grossa, no perímetro urbano do município de Chapada dos Guimarães, além de realizar uma análise da suscetibilidade ao colapso na área de estudo. Foi utilizado como método de estudo o processamento de imagens de satélites disponível no Google Earth Pro® no ArcGIS® e descrição e mapeamento das feições em campo. Foram identificados condutos, ressurgências de água e dolinas, sendo que duas delas ocorreram próximas a residências e duas em uma área sem ocupação, com vegetação nativa. As dolinas 1, 2 e 4 possivelmente estão interligadas por dois condutos, que somados possuem a extensão próxima de 400m, sendo que as duas primeiras estão situadas no perímetro de ocupação urbana. Próximo à dolina 1, é possível observar em residências rachaduras formadas pela rotação em bloco do cômodo devido ao recalque causado pela cavidade. As dolinas 1 e 2 colapsaram nos últimos 5 anos e foram preenchidas por aterro pela prefeitura municipal. As dolinas 3 e 4 e as duas ressurgências de água estão situadas em área sem ocupação residencial, e que ainda possui vegetação preservada. O conjunto de processos relacionados ao desenvolvimento das feições foi debatido ao longo do trabalho e relacionado com as ações e medidas previstas na política de Proteção e Defesa Civil. Os resultados sugerem uma relação entre o desenvolvimento do sistema cárstico e a formação do latossolo e demonstram a necessidade de realizar mais estudos para compreender essa evolução. O trabalho propõe um mapa de suscetibilidade ao colapso, considerando a densidade de feições cársticas e o possível trajeto dos condutos que as interligam. Ainda, o ordenamento territorial da área deve considerar a fragilidade do sistema cárstico e suscetibilidade a colapsos.
CORRELATIONS BETWEEN LANDSLIDE SCARS PARAMETERS USING REMOTE SENSING METHODS IN THE ESTRADA DE FERRO VITÓRIA-MINAS, SOUTHEASTERN BRAZIL
Authors: Da Silva Denise de Fátima Santos , Corteletti Rosyelle Cristina , Filgueiras Roberto Almeida Cunha , Santos Allan Erlikhman Medeiros
Published: April 2021

The remote sensing has been widely used in studies involving records and monitoring landslides, also, this tool is widely used in mapping areas of geological risk. In this paper, two remote sensing methodologies were used to identify, characterize and catalog scars generated along the Estrada de Ferro Vitória-Minas (EFVM). The first methodology allowed to estimate the area and volume of landslides scars of EFVM through the images available in Google Earth Pro. The second methodology used a drone to capture the parameters in the field of landslides scars. From the obtained parameters it was possible to compare the estimates of areas and volumes of landslides by drone image with the data obtained by images of Google Earth Pro and to test the applicability of both methods. The results obtained showed estimates scars areas with correlation of 0.92 for the two methodologies. The volume estimates presented a correlation of 0.8; with underestimation of the results obtained by Google Earth Pro.
AVALIAÇÃO DA ACURÁCIA VERTICAL DE MODELOS DIGITAIS DE ELEVAÇÃO PARA MAPEAMENTO DE AMBIENTES GLACIAIS E PERIGLACIAIS DA PENÍNSULA KELLER, ANTÁRTICA MARÍTIMA
Authors: Idalino Filipe Daros , Da Rosa Kátia Kellem , Petsch Carina , Mendes Jr. Claudio Wilson , Perondi Cleiva , Lorenz Júlia Lopes , Buscher Norton , Simões Jefferson Cardia
Published: April 2021

O presente artigo analisa a acurácia vertical dos Modelos Digitais de Elevação (MDEs) TanDEM‑X (TDX) e o Reference Elevation Model for Antarctica ‑ REMA2 e REMA8 ‑ e seu potencial no mapeamento de ambientes glaciais e periglaciais utilizando como estudo de caso a Península Keller (PK), localizada na Ilha Rei George (IRG), Antártica Marítima. A acurácia vertical dos modelos foi avaliada a partir de um MDE gerado por Fotogrametria, por meio do cálculo da Raiz do Erro Quadrático Médio (doravante denominado como RMSE) para toda a área da Península e para três classes de superfície: área livre de gelo, lagos e geleiras. Para a análise estatística também foi realizado o cálculo do coeficiente de correlação linear de Pearson (R) e da matriz de erro a partir dos valores de RMSE. O potencial dos MDEs para a análise geomorfológica foi avaliado com a aplicação do método Geomorphons para classificação automática de elementos do relevo glacial. Com um RMSE de 9,85 metros (m), o REMA8 apresentou melhores resultados. O TDX subestima as elevações em geral e o REMA2 superestima as maiores elevações. O TDX possui melhores valores de RMSE para as áreas livres de gelo (de 10,4 m) quando se desconsidera a classe de cobertura lacustre. Os 3 modelos apresentaram alto coeficiente de correlação. A classificação por Geomorphons, a partir do REMA2, mostrou melhores resultados no mapeamento de formas de relevo localizadas no ambiente paraglacial, identificando morainas, escarpas e terraços. As macroformas de erosão glacial chamadas arêtes foram melhores identificadas na classificação dos dados do REMA8 e do TDX. O REMA8 permitiu a classificação das feições de praias elevadas em quase toda a extensão costeira da Península e recomenda-se o seu uso para a identificação de paleoníveis de linha de costa. A maior acurácia vertical auxilia na melhor identificação das formas de relevo glaciais. As diferenças de acurácia vertical entre os MDEs foram influenciadas pelas características superficiais do terreno e a configuração dos elementos do relevo.
Relación entre adaptación de producto y el desempeño del exportador de las empresas exportadoras de palta en Lima 2019
Authors:   , Cervantes Escobal Johanna Esthefany , Ticona Quispe Isabel Lucía
Published: April 2021

El objetivo de la presente investigación fue analizar la relación entre la Adaptación de producto y el desempeño del exportador en las empresas exportadoras de palta en Lima 2019. Con el fin de recabar información útil del sector que beneficie a las empresas, mejorando su desempeño y competitividad en el mercado exterior a través de una estrategia de marketing de adaptación de producto. La investigación es de tipo correlacional con un diseño no experimental y transversal. Asimismo, se utilizó el método cuantitativo. El instrumento de investigación utilizado para la recolección de datos fue una encuesta que medían las variables adaptación de producto y desempeño del exportador, de los autores Tantong, Karande, Nair y Singhapakdi (2010). La encuesta estaba dirigida a gerentes o administradores de las empresas exportadoras de palta en Lima en una muestra de 117 empresas. Finalmente, los resultados concluyeron que la adaptación de producto si se relaciona con el desempeño del exportador en las empresas exportadoras de palta en Lima 2019. Asimismo, la investigación validó la existencia de la relación de cada una de las dimensiones: adaptación de marca, adaptación de diseño, adaptación de calidad con el desempeño del exportador en las empresas exportadoras de palta en Lima.
Relación de la responsabilidad social corporativa y la lealtad de clientes en el Hotel Palmetto de San Borja 2020
Authors:   , Calderón Reyna Víctor Enrique , Chico López Walther Jorginho
Published: April 2021

El objetivo principal de esta investigación es la de determinar si existe o no relación alguna entre la responsabilidad social corporativa y la lealtad de los clientes en un hotel en San Borja. En el primer capítulo, se identifica y se plantea la problemática, con la intención de reconocer los puntos críticos y proponer diferentes recomendaciones, de igual manera se mencionará los antecedentes que servirán de apoyo para desarrollar la presente investigación, así mismo el objetivo e hipótesis, los cuales servirán para poder ratificar las hipótesis planteadas. En el segundo capítulo, se detalla la metodología que se utiliza, haciendo hincapié en el tipo y diseño de investigación, así como las variables tomadas en consideración, también se hace mención hacia quienes está dirigida esta investigación. De igual manera se da la explicación pertinente de los cuestionarios se utiliza y el procedimiento de recolección de datos. En el tercer capítulo, se presentan los análisis de resultados de los cuestionarios, la contrastación de las hipótesis, donde se desarrolla la prueba de normalidad, el análisis factorial exploratorio, las correlaciones Rho de Spearman y la contrastación de la hipótesis general y específicas, así mismo la discusión, las conclusiones y las recomendaciones. Concluyendo con las referencias bibliográficas y los anexos (cuestionarios), que son elementos primordiales para obtener los datos que se necesitan.
Estrategia didáctica para desarrollar la competencia traductora en estudiantes del programa de traducción e interpretación de una institución de educación superior de Lima
Authors:   , Luca Flores Gino Paolo
Published: April 2021

El objetivo general de la investigación es diseñar una estrategia didáctica para desarrollar la competencia traductora de estudiantes del quinto ciclo de una institución de educación superior privada de Lima. Se trabajó el paradigma sociocrítico interpretativo, con enfoque cualitativo, aplicada educacional en una relación dialéctica entre objeto y sujeto. Con la finalidad de dar respuesta al problema, se aplicaron métodos cualitativos y cuantitativos para su posterior análisis y la transformación de la realidad educativa. El objeto de estudio estuvo fundamentado a nivel científico en la relación de las categorías apriorísticas, estrategia didáctica y el desarrollo de la competencia traductora. La muestra de estudio que fue a través del muestreo no probabilístico consta de dos docentes a cargo de impartir cursos de traducción directa y trece estudiantes del curso de Traducción Directa Inglés 3 del programa académico de Traducción e Interpretación. Para el diagnóstico de campo se empleó instrumentos y técnicas, dentro de los que se incluyen de manera limitativa la prueba pedagógica y encuesta aplicadas a los estudiantes, y la entrevista semiestructurada y la guía de observación, aplicados a los docentes de la especialidad de Traducción. El resultado aporta información valiosa y específica sobre las carencias y fortalezas con respecto a los problemas que se identificaron a partir de las categorías emergentes. Luego de realizado el contraste de las categorías apriorísticas con las sustantivas, se identificó las categorías influyentes. El resultado final de la investigación es el aporte de una estrategia didáctica orientada a desarrollar la competencia traductora.
Improvement of the Teachers Quality of Distance Learning (PJJ) Plans during the Covid-19 Pandemic
Authors: Rachman Aidil Abdi
Published: April 2021

Pembelajaran di masa pandemic Covid-19 merupakan tantangan bagi semua elemen pendidikan di Indonesia. Kebijakan Kementerian Pendidikan dan Kebudayaan Republik Indonesia memberlakukan pembelajaran jarak jauh (PJJ) diharapkan menjadi solusi bagi pendidikan masa pandemic Covid-19, akan tetapi dalam praktik PJJ tidak sedikit guru gagap teknologi, malas membuat komponen-komponen administrasi pembelajaran dan media pembelajaran sehingga ini mempengaruhi terhadap keberhasilan pembelajaran. Artikel ini membahas siklus perkembangan perencanaan PJJ yang dilakukan guru. Menggunakan Penelitian Tindakan Sekolah (PTS) dengan metode deskriptif memanfaatkan siklus-siklus yang dilakukan untuk menjelaskan hasil temuan, teknik pengumpulan data dengan langkah-langkah: 1. Perencanaan Tindakan; 2. Pelaksanaan Tindakan; 3. Pengamatan (Observasi). Hasil temuan menunjukkan bahwa pada siklus 1 banyak guru yang tidak melengkapi administrasi perencanaan PJJ baik pada silabus, Rencana Pelaksanaan Pembelajaran (RPP), Program Tahunan (Prota), Program Semester (Prosem), Daftar Hadir (DH) dan Daftar Nilai (DN) peserta didik dengan perbaikan dan refleksi dialog kolaboratif. Pada siklus 2 menunjukkan kenaikan dalam persiapan kelengkapan administrasi perencanaan PJJ walaupun masih ada guru yang belum melengkapi tetapi tidak signifikan seperti temuan pada siklus 1, sehingga pelaksanaan evaluasi kepada para guru dengan pendekatan kolaboratif kembali dan pendampingan berkala dalam penyusunan perencanaan PJJ.
Activities at the Banjarbaru Tomato Creation House as a Learning Resources on Social Studies
Authors: Fitriyani Fitriyani , Putro Herry Porda Nugroho , Mutiani Mutiani
Published: April 2021

Rumah Kreasi Tomat Banjarbaru merupakan usaha pengolahan tomat sebagai bahan dasarnya menjadi produk makanan dan minuman. Kajian potensi pasar menjadikan berbagai kreasi produk-produk baru dengan memanfaatkan tomat sebagai bahan dasar mencakup ranah produksi, distribusi dan konsumsi. Artikel ini bertujuan mendeskripsikan aktivitas di Rumah Kreasi Tomat Banjarbaru sebagai sumber belajar IPS. Penelitian menggunakan metode kualitatif yang untuk mendapatkan data melalui observasi, wawancara, dan dokumentasi. Analisis data menggunakan reduksi data, penyajian data, dan verifikasi data dengan uji keabsahan data triangulasi (waktu, teknik, dan sumber), membercek, dan perpanjangan pengamatan. Rumah Kreasi Tomat merupakan UMKM yang berdiri pada tahun 2017 di bidang kuliner dengan produksi sirup tomat, permen tomat dan manisan tomat yang meningkatkan aktivitas ekonomi dan meningkatkan kesejahteraan keluarga dan masyarakat di sekitar lokasi usaha. Rumah Kreasi Tomat Banjarbaru memproduksi olahan makanan berbahan dasar tomat seperti permen tomat, sirup tomat, dan manisan tomat yang juga dijual melalui online seperti instagram dan shopee, toko oleh-oleh, Indogrosir, serta mengikuti bazar yang dapat dimanfaatkan sebagai sumber belajar IPS berkesesuaian materi produksi, distribusi, dan konsumsi pada materi pembelajaran IPS kelas VII semester 2.
Social Studies Lesson Planning for Children with Intellectual Disabilities in the Pembina State Special School of South Kalimantan Province
Authors: Rahayu Rahayu , Abbas Ersis Warmansyah , Jumriani Jumriani
Published: April 2021

Pencapaian tujuan pembelajaran berkaitan dengan perencanaan pembelajaran berbasis kurikulum dan kebutuhan peserta didik. Penelitian ini bertujuan mendeskripsikan perencanaan pembelajaran IPS untuk anak tunagrahita di SLB-C Negeri Pembina Provinsi Kalimantan Selatan. Penelitian dilakukan dengan pendekatan kualitatif dengan metode deskriptif. Teknik pengumpulan data dilakukan dengan observasi, wawancara, dan dokumentasi. Analisis data dilakukan dengan mengumpulkan data, reduksi data, penyajian data hingga melakukan penarikan kesimpulan. Uji Keabsahan data menggunakan triangulasi sumber, teknik dan waktu. Hasil penelitian memastikan bahwa perencanaan pembelajaran IPS pada anak tunagrahita di SLBC Negeri Pembina Provinsi Kalimantan Selatan pada jenjang SMPLB dirancang secara khusus oleh guru untuk memudahkan peserta didik memahami materi oleh pembelajaran. Perancangan pembelajaran tersebut dimuat pada RPP mencakup tiga tahapan yaitu kegiatan pendahuluan, kegiatan inti dan kegiatan penutup. Kegiatan pendahuluan mencakup aspek apersepsi, menggali pengetahuan, dan pemaparan tujuan pembelajaran. Kegiatan inti mencakup penyampaian materi dengan melakukan kegiatan berupa mengamati, menanya, mencoba, menalar, dan menyajikan hasil belajar. Kegiatan penutup mencakup kegiatan refleksi dan evaluasi terhadap kegiatan pembelajaran. Perancangan pembelajaran tersebut dibuat oleh guru merujuk Kurikulum 2013. Pada tahap implementasi guru mengalami kendala dalam penyampaian pembelajaran dikarenakan seringnya peserta didik tidak hadir sehingga guru melakukan pengulangan penyampaian materi IPS pada pertemuan selanjutnya. Kendala ini berdampak bagi efektivitas implementasi dari perencanaan yang telah dibuat oleh guru.
Contribution of Geography in Social Studies Education to Inculcate Environmental Awareness
Authors: Musdalipah Musdalipah , Subiyakto Bambang , Rahman Akhmad Munaya
Published: April 2021

Manusia memiliki peran penting dalam menangani persoalan yang muncul akibat interaksinya dengan lingkungan, kurangnya kesadaran lingkungan menimbulkan banyak permasalahan. Disiplin ilmu yang mengkaji keterkaitan antara manusia dan lingkungan yaitu ilmu geografi. Melalui kontribusi ilmu geografi dalam pendidikan IPS diharapkan masyarakat terkhusus peserta didik memiliki kesadaran lingkungan yang tinggi. Tujuan penelitian ini adalah untuk mendeskripsikan pembelajaran IPS yang dapat membantu dan memberikan kontribusi besar dalam menanamkan kesadaran lingkungan kepada seluruh masyarakat termasuk di dalamnya yaitu peserta didik. Penelitian ini menggunakan studi literatur atau pustaka dengan mengumpulkan berbagai literatur yang terkait untuk kemudian dianalisis untuk keperluan karya tulis ini. Strategi pencarian literatur jurnal maupun buku-buku melalui penelusuran di internet ataupun di perpustakaan. Penelitian studi literatur dalam mensintesis data yang telah dikumpulkan dituliskan dalam bentuk narasi. Hasil penelitian ini mendeskripsikan kontribusi ilmu geografi dalam pembelajaran IPS untuk menanamkan kesadaran lingkungan yaitu dengan mempelajari materi terkait perbedaan lingkungan, pertumbuhan penduduk, dan pemanfaatan potensi sumberdaya alam.
Covid-19, the WHO, and the apparent collapse of traditional medical research ethics
Authors: Tangwa Godfrey B.
Published: April 2021

On January 14, 2021, a WHO Ad Hoc expert group published an article in the highly influential The New England Journal of Medicine, titled: “Placebo-Controlled Trials of Covid-19 Vaccines – Why We Still Need Them” justifying the use of placebo in further trials of Covid-19 vaccines, even after purported efficacious vaccines have become available. Medical research involving human beings ought to conform strictly to principles, rules and procedures established since the Nuremberg Code (1947), especially as elaborated in the Declaration of Helsinki (2013) and the WHO/CIOMS Guidelines (2016). The NEJM article forms part of an observable trend of moral backsliding that needs to be recorded. In this paper, considering traditional medical research ethics under the impact of the Covid-19 pandemic and its ramifications and effects, and with a particular focus on the highly vulnerable populations and countries of sub-Saharan Africa, I make some relevant remarks. My arguments here are anchored in my observations as a moral philosopher though limited by my lack of expertise in any of the branches of medical science.
The logic and the structure of a reasonable environment in the market of medicinal help as a basis of government regulation
Authors: Malakhovskaya M. V. , Grishin A. V.
Published: April 2021

In clause the approaches to development of complex system of motivation of the participants of system of organization of the medicinal help are submitted which is directed first, on reduction of losses of a community caused by blocking of economic potential of the man at disease or death, secondly, of an expense for restoration of economic potential of the man should be economically expedient.
The ordered arrangement of hair follicles (Foit lines) and reception of a geomagnetic field
Authors: Zelentsov V. I. , Pekker Ya. S. , Perelmuter V. M. , Falkovich V. M. , Сhuprikova E. M.
Published: April 2021

The authors offer the hypothesis of reception of a geomagnetic field based on the special properties of a mammal’s skin. It assumes that the ordered arrangement of hair follicles (Foit lines) can serve the pseudo-solenoid, in which under the action of external fields the currents starting the neuro-humoral mechanism of answer-back reactions are induced. According to this hypothesis, the magnitude of the generated afferent neuro-humoral signals depends on animal orientation concerning a vector of a geomagnetic field. There of there will be a larger or smaller degree of activation of hypothallamus-hypophysis-adrenal system (HHAS) which defines the adaptive status of an animal and, accordingly, adequacy of response to the set of external factors corresponds.
Sonography and mammogram in the diagnosis of mammary cancer developed because of the non-malignant proliferative changes
Authors: Tsesarsky M. A. , Frolova I. G. , Bukharin D. G. , Fomina N. Yu. , Slonimskaya E. M. , Velichko S. A.
Published: April 2021

According to the fact, 30% of women with mammary cancer are younger than 40 years old. It is the age when the danger of this disease is the highest. The aim of the work is the identify the diagnostic effectiveness of ultrasound research method in the first level of mammary cancer developed in fibro adenoma or in cyst, together with the nonmalignant proliferative diseases of mammary. Ultrasound research appeared to be a very effective method of diagnostics of cysts and fibroadenoma together with the expressed diffuse pathology of mammary. The differentiation line of diagnostic criteries at fibroadenoma and carcinoma if defined and the diagnostic algorithm is worked out. The necessity to use sonography as the main method of examining women (younger than 50 years old) at mammary disease is discussed.
Mechanisms of long-term adaptation in different variants of surgical treatment of duodenal ulcer
Authors: Galyan A. N. , Tikhonov V. I. , Popov O. S. , Shpilevoi P. K. , Titov D. S. , Borodulina Ye. V. , Udut V. V.
Published: April 2021

The advantages of compensatory – adaptive reaction here studied in 67 patients with duodenal ulcer operated on by organ – preserving techniques Bilrot-I and duodenoplasty. The advantages of adaptation include the values of immune (cellular and humoral immunity) and hormone status (insulin, cortisol, ACTG), peripheral blood indexes (morphological composition and biochemical indexes), vegetative system status and general adaptation syndrome characteristics.
The morphofunctional changes in the skin after long influence of low-scale ionizing radiation
Authors: Porovsky Ja. V. , Tetenev F. F.
Published: April 2021

We researched musculocutaneous samples in two experimental groups, including 19 Chernobyl liquidation participants and 27 residents of the Siberian chemical combine zone, to trace the changes, which had happened in their skin after a long period of constant small-scale ionizing radiation influence. The analysis showed that the greatest changes had taken place in the epidermis of both groups in the form of thickening of horny and cellular layers and inflammatory infiltration of lymphocytes provided with the productive panvasculitis in the majority of arterioles. It is supposed, that after the long small-scale irradiation influence, in the skin develops two forms of reaction: defense reaction in the form of proliferative hyperkeratosis and immunopathological reaction, which is a consequence of activation in the cellular layer of epidermis combined with the appearance of effector section of immune answer, which stimulates the interaction of epidermal T-lymphocytes with the endothelial cells of derma vessels and participation of blood vessels of microcircular channel.
Estimation of blood supply of the sternum after operations on the chest wall
Authors: Mamchur S. E. , Chernov V. I. , Teplyakov A. T. , Vechersky Yu. Yu. , Krivonogov N. G.
Published: April 2021

The method of estimation of the blood supply of the sternum by combined use of both single photon emission computed tomography and three-phased dynamic scintigraphy with99mTc-methylene diphosphonate with determination of99mTc-methylene diphosphonate sternal vis-à-vis vertebral uptake allows to carry out early diagnosis of the sternal hypoperfusion after operations on the chest wall and determine the postoperative osteomyelitis and mediastinitis risk groups in patients. By using of the method it is possible to keep forehanded prophylactic measures on prevention of development of the sternal osteomyelitis. The proposed method decreases the cost of the examination and radiation capacity on patient. The recommendations are designed for radiologists, cardiovascular and thoracic surgeons.
Actual problems of atherosclerosis: point of view of clinician
Authors: Karpov R. S.
Published: April 2021

In this lecture there is the information about historical steps of fundamental researches of pathogenesis of atherosclerosis, about biochemical, immunological and genetic abnormalities. Significance of x-ray, radionuclide methods in diagnosis of vascular affection is shown. The achievements of nowadays in the methods of treatment and prophylaxis of atherosclerosis are presented. Author’s own original synthetical classification of atherosclerosis is suggested.
Problems of management of commercial stomatological clinics
Authors: Kоpasov Ye. A.
Published: April 2021

As economic conditions have changed the system of medical aid management requires the development and realization of new methodological-organizing principles. At present stomatologic clinics are working in conditions of severe competition. This dictates the necessity to arrange their work more efficiently and to forecast the development of these or that situations. Modern stomatologic clinic or private dentist’s office should be considered as a unified complex that requires the efficient management and supervision. There is required a constant analysis of efficiency and a timely revealing of neglects and defects. It is also critical to analyze an activity of a clinic in various situations and to forecast the main activities for future.
Use of prostaglandin synthetic analogue E1 for uterus cervix preparation and labor induction
Authors: Yevtushenko I. D. , Makhmutkhodzhayev A. Sh. , Ivanova T. V. , Parshina O. V. , Ryzhova I. A. , Kufareva T. I. , Popova V. N.
Published: April 2021

A clinical prospective examination of 90 women with complete pregnancy and indications for labor induction because of unsatisfactory maturity of uterus cervix has been made. The aim was to create a comparative analysis of efficiency of intravaginal introduction of prostaglandin synthetic analogue E1 misoprostol («Sytotec») and intracervical introduction of prostaglandin E2 dinoprostone («Prepidil» gel) for uterus cervix preparation and labor induction at complete pregnancy. Misoprostol in a dose of 25 mkg has been introduced to pregnant women of the 1 group (n=44), every 4 hours not more than 3 times. In case of discharge of waters or labor activity the second introduction has not been done. Dinoprostone has been introduced intracervically in a single dose to pregnant women of the 2 group (n=46). The use of misoprostol has been accompanied by spontaneous beginning of labor activity by 2 times more often than the use of dinoprostone. The quantity of vaginal births within 12 and 24 hours of observation has been surely greater and the duration of time between the beginning of introduction and labor has been surely smaller in the group of women received misoprostol as compared to the one received dinoprostone. It has not been revealed any differences between examined groups by the frequency of uterus hyperstimulation symptom development, labor duration, frequency of abdominal and vaginal labor, as well as perinatal outcomes.
Non-pharmacotherapeutic atmiatrics with combined mud medication «Tone plus» in pulmonology
Authors: Zaripova T. N. , Smirnova I. N. , Moskvin V. S. , Antipova I. I.
Published: April 2021

The aim of investigation: to ground the use of a new combined mud medication «Tone plus» in pulmonologic practice. The investigation has been made on 53 patients with chronic bronchitis (CB) and bronchial asthma (BA). Inhalations with «Tone plus» consisting of three components — saline carrier, herb and peloids extracts — have been the main medication. Efficiency of the therapy has been assessed grounding on the movement of local respiratory tract protection indices by the method of examination of nasal tunica mucosa smear and nasal secretion, on the airway conductance by spirograph, inflammation activity by blood clinico-biochemical analysis and on organism adaptation system state by L.A. Garkavy’s method. In atmiatrics there has been registered local and system anti-inflammatory effect, airway conductance improvement and improvement of upper airway cover epithelium state, increase of functional activity of respiratory tract tunica micosa cells. Inhalations of a new combined mud medication «Tone plus» are a promising method of non-pharmacotherapeutic atmiatrics of patients with CB and BA.
Viral persistence: immunologic and molecular-genetic aspects of pathogenesis
Authors: Zhukova O. B. , Ryazantseva N. V. , Novitsky V. V.
Published: April 2021

In the article a view of investigators on the modern understanding of long-term viral persistence forming mechanisms on cellular and molecular levels has been presented. A question on the role of persistent virus in the induction of changes in cellular differentiation character, of chromosome apparatus and of apoptosis of peripheral blood lymphocytes has been discussed.
Production of cytokines by cell-effectors of natural cytotoxicity system in mice under development of Lewis lung carcinoma
Authors: Sherstoboyev Ye. Yu. , Kaplya O. A. , Zuyeva Ye. P. , Razina T. G. , Epstein O. I.
Published: April 2021

Cytokine production by cell-effectors of natural cytotoxicity system under Lewis lung carcinoma development in F1(CBAxC57B1/6) line mice has been studied. It has been revealed the increase of interleukin-1β (IL-1β) production and tumor necrosis factor-α (TNF-α) by peritoneal macrophages. At this the balance of cytokines produced by T-helpers (Th)  has  been displaced to Th2 side, IL-4 production has increased and interferon-γ (IFN-γ) and IL-2 production has decreased. The rise of IL-10 production by lymphocytes has been observed in the later terms of tumor development.
The role of polymorphism in TNF gene promotive area in the development of chronic obstructive pulmonary disease
Authors: Seitova G. N. , Bukreeva Ye. B. , Buykin S. V. , Bychkova O. Yu. , Dementyeva Ye. A. , Nesterovich S. V. , Puzyryov V. P.
Published: April 2021

Association of –308G/A-polymorphism of α-tumor necrosis factor (TNF) gene with the development of chronic obstructive pulmonary disease has been investigated in two populations of Tomsk city (Siberian Tatars and Russians). As a result, it has not been marked any genotype distribution deviation of expected in patient groups as well as in control groups at Hardy-Vainberg equilibrium. Statistically significant difference in allele distribution rate at patients with COPD and in control groups has not been found (p> 0,5) including ethnic groups (Russians and Tatars). Differences in genotype distribution at patients and control group have been found for Tatars due to heterosive carrier (AG) prevalence at patients (p< 0,05). The obtained data allow to conclude the presence of association of –308G/A-polymorphism ofTNFgene with the COPD development at Siberian Tatars.
Genomic imprinting and its role in ethiology of human hereditary diseases
Authors: Nazarenko S. A.
Published: April 2021

Genomic imprinting is a form of non-Mendelian epigenetic inheritance that is defined by differential gene expression depending on its parental origin — maternal or paternal. It is known about 60 imprinted genes many of which effect significantly on the fetus growth and development. Methylation of DNA cytosine bases that defines the interaction of DNA and proteins identifying the modified bases and controls the gene expression through chromatin compacting-decompacting mechanism, is a main epigenetic genom modifier. Disturbances in monoallelic gene expression lead to the development of a special class of human hereditary diseases — genomic imprinting diseases.
The influensing of the tick-borne encephalitis virus to the process of metamorphosis of engorged larvaes and nimphs of the tick Ixodes ricinus
Authors: Korotkov Yu. S. , Burenkova L. A.
Published: April 2021

In laboratory experience the conditions for development engorged larvaes (n = 2 500) and nymphs (n = 800) of Ixodes ricinus with diapause (6 h of light) are simulated. In contrast to control (diapause), the ticks with tick-borne encephalitis virus (strain EK- 328), developed under three variants; namely with diapause, with acceleration metamorphosis, and without diapause. The distinc- tions are caused by a season of the year and influence of the virus. The realization of variants carries out by stimulation or blocking of moult hormone.
The historical review of tick-borne encephalitis study in Tomsk
Authors: Karpova M. R. , Zhoukova N. G. , Komandenko N. I.
Published: April 2021

The review of principal stages of tick-borne encephalitis study in Tomsk is presented in the article.
Nature of physicians' mistakes
Authors: Tetenev F. F.
Published: April 2021

Diagnosis physicians' mistakes are inevitable which is due to peculiarities of clinical thinking associated with absence of specific symptoms and syndromes as concerns nosologic forms. Despite to introduction of high technologies, the development of early preclinical diagnosis possibilities and primary prevention of many diseases, value of traditional clinical methods of examination (questionnaires and physical examination ) not decreases but increases. To minimize physicians' mistakes and to decrease their consequences will help thorough theoretical training of the physician including knowledge of diagnosis theory, faultless mastering of traditional clinical methods of patient's examination and rational using of high diagnosis technologies.
Ixodes tick-borne borrelioses
Authors: Loukashova L. V. , Karpova M. R. , Lepyokhin A. V. , Pirogova N. P. , Zhoukova N. G. , Kiyutsina T. A. , Dobkina M. N.
Published: April 2021

Up-to-date information on etiology, epidemiology, pathogenesis, clinical manifestation, laboratory and differential diagnosis, treatment and prevention of Ixodes tick-borne borrelioses are given.
Clinic-morphological aspects of the state of the fetoplacental complex at pregnant women with hyperandrogenism
Authors: Logvinov S. V. , Agarkova L. A. , Dish O. G. , Gabitova N. A. , Tikhonovskaya O. A.
Published: April 2021

The study of the fetoplacental complex and the morphological research of placenta of 50 pregnant women with hyperandrogenism were conducted by the ultrasonic method, dopplerometry and cardiotocography. It was shown that hyperandrogenism causes destructive and neonatal adaptation changes of placenta leading to its dysfunction. The high frequently of occurrence of complications in the gestational process at late diagnostics of hyperandrogenism (during pregnancy) was observed.
Modeling of the acute pyelonephritis in animals of various kind
Authors: Lukjanov A. V. , Dolgikh V. T. , Potievsky E. G. , Rais B. A. , Sokolova T. F. , Nikonov V. M.
Published: April 2021

Experiments have been carried out with two kinds of laboratory animals: 27 rabbits of chinchilla breed with the age of 3—4 months and the weight of the body from 1740 to 2 290 grams (1 993,1 ± 243,2) and 49 white alley male rats with the weight of the body of 180—220 g (195,4 ± 27,3). As an infectious organism, the daily dredge hemolysinogen E. coli with colicinogenic factor Ca 38 was used. Roots of introduction of dredge E. coli were intravenous, transurethral, transcapsular in parenchyma kidneys, enteral and endotracheal (in rats). As the animals were infected through various entrance gates, three variants of acute infections of the uric system were obtained: purulent-destructive defeats, tubular-interstitial infringements and asymptomatic bacteriuria. High virulence of the urostrain E. coli , used in the experiment, is demonstrated. The hypothesis about the universal mechanism of infection of the uric system "from top to down", i.e. hematogenic, has been formulated.
Cardiointervalographical assessment of the vegetovascular balance in girls engaged in fitness aerobics
Authors: Inozemtseva Ye. S. , Goudomarova N. I. , Kabachkova A. V.
Published: April 2021

Computer-aided systems for analysis of the cardiac rhythm allow the objective assessment of the functional state and peculiarities of the vegetative provision of functional reserves in an organism, revealing of the states of fatigue and overtraining, objective prediction and correction of the functional readiness to competition, development of the most favorable regime of training and recovery after physical activity.
Realization of value of living at the intersection of ethic positions (analysis of results of sociological investigation into the dynamics of attitude to bioethical problems in medical students)
Authors: Mescheryakova T. V. , Gerasimova O. V.
Published: April 2021

It is analyzed attitude to such problems as abortion, euthanasia, cloning of human being, artificial fertilization, fetal therapy depending on outlook and values of students. In particular, students’ attitude to the course teaching is examined as well as their per- sonal interest in the course. Conclusions are based on applied sociological research data.