bluuebunny/crossref_metadata_2025 huggingface dataset:
Modularity in Intersectoral Research/Action Collaborations for Food Systems Transformation: Lessons from the FLEdGE Community-Engaged Network
Authors: Levkoe Charles Z , Blay-Palmer Alison , Knezevic Irena , Szanto David , Addy Nii A.
Published: August 2021

How can academics and community practitioners better collaborate to overcome the existing barriers? What role can intersectoral research collaboratives play in supporting, enhancing, and sustaining the impact of community-engaged research? In response to these broad questions, this paper shares insights from the Food: Locally Embedded, Globally Engaged (FLEdGE) community-engaged research network, a collaborative, interdisciplinary group of scholars and practitioners that crossed sectors, scales, and geographies. The FLEdGE research program ran from 2015 to 2021, and built on over a decade of academic and community partnerships to assess the current and potential role of food initiatives as pillars for sustainable transformation. Our mixed-methods study draws on data from a social network analysis survey, summary reports, semi-structured interviews, and reflections from the authors who were all active members of the network. Our findings reveal that beyond making theoretical and practical contributions to food systems scholarship and initiatives in the participating regions, FLEdGE played an important role in building food movements across Canada and beyond. We describe this as a modular approach, an organizational structure in which multiple units (or modules) operate independently while also sharing enough commonalities that allow them to be interrelated, modified, and reconfigured in diverse and dynamic ways. We argue that intersectoral research networks adopting a modular approach require interdisciplinarity and collaborative methodologies, but also flexibility and critical reflexivity. In addition, we underscore that setting objectives, both overarching and tactical, requires a negotiated approach, particularly when budgetary administration resides within an institutional partner.
Moving Your Body, Soul, and Heart to Share and Harvest Food
Authors: Michnik Kaylee , Thompson Shirley , Beardy Byron
Published: August 2021

Colonialism, and its partner, racism, greatly impact Indigenous food systems across Canada elevating the rates of diet-related diseases and food insecurity. Many Indigenous communities have responded to these challenges with their own community-based, culturally appropriate food solutions, including local food production. This participatory research explores the question of traditional food education for First Nations youth through photo elicitation with five young adults employed on a community farm and interviews with twelve Elders, community food educators and Knowledge Keepers. This research provides the building blocks for food education to support a community-based, Indigenous food system and sovereignty, informed by Garden Hill First Nation Elders and youth. Interviews and participatory research established that food education should be rooted in traditional and spiritual beliefs, land-based learning and self-determination, and food policies and programs need to assess the use of technology, financial sustainability, and promote gender balance. Community desires for food education closely match the tenets of Indigenous food sovereignty. This research shows the importance of developing Indigenous food education programs that are community-based and applied.
On the Front Lines in Food Policy
Authors: Aunio Anna-Liisa , Dube Laurette
Published: August 2021

This paper reports a multi-year design-based implementation research (DBIR) that examines practical issues, challenges, and innovations faced by the Montreal food polity in transforming food systems for alleviating insecurity in vulnerable populations. Community organizations in three geographically distinct neighbourhoods were engaged in three distinct city-level collaborative engagement initiatives (coalition of neighbourhood roundtables; place-based philanthropy initiative-CIP; food system policy council-C-SAM). The later city-level initiatives stemmed from different historical and institutional contexts and afforded different types and amounts of capabilities in support of community organizations. Our results underscore the rich diversity not only in how local communities organize themselves over time but also how they welcome or not scaling-up or capacity building initiatives like CIP and C-SAM.  As part of the same complex and dynamic adaptive system observed at any stage of its evolution, individual organizations and collaborative platforms observed in this research were all having their respective historical trajectories and future aspirations in terms of composition, capabilities, goals, achievement, and challenges. Contributions to food systems research are three-fold: Isomorphism, Discursive Frame, and Decoupling between Norms and Action. Our research demonstrates that neighborhoods, like nation-states, exhibit different pathways to adoption, adaptation, and decoupling action from norms when cities become part of an international regime. The outcome of cities signing on to new international agreements are similarly symbolic in nature. Yet organizations and neighborhoods respond to these by adopting the discursive agendas of these new norms while, at the same time, exhibiting different pathways in policy and planning depending on their neighborhood histories, structure, and capacity. We close with a discussion of different path dependencies that vary by location.
Blended species plywood (white cypress pine and hoop pine): Effect of veneer thickness on susceptibility to attack by the subterranean termite Coptotermes acinaciformis
Authors: Fitzgerald Christopher J. , McGavin Robert L.
Published: August 2021

Blended species plywood blocks comprising of 24 different veneer configurations of naturally durable white cypress pine and non-durable hoop pine were exposed to the subterranean termite Coptotermes acinaciformis in a field trial in Australia. Three thicknesses of cypress (1.8, 2.8, and 3.0 mm) and hoop pine (1.0, 1.5, and 3.0 mm) veneer were included. Blocks were assessed for termite damage using a visual damage rating and mass loss measurement. Blocks using all hoop pine veneers received substantial damage; however, blocks that had cypress face and back veneers had improved termite resistance, particularly for the 1.0-mm hoop pine core veneers. When cypress longbands were blended with hoop pine crossbands that created alternating layers, minimal damage was sustained in the hoop pine veneers; however, the damage increased with increasing hoop pine veneer thickness. All cypress veneers received essentially no termite damage, and cypress veneer thickness did not influence the severity of hoop pine veneer damage. The trial indicated that the plywood made with hoop pine core veneers, cypress pine face, and back veneers offered some termite resistance if the hoop pine veneer thickness was kept thin. Alternating cypress and hoop pine further improved the termite resistance.
Performance analysis of four plant fiber/polyvinyl chloride composites under two degradation conditions with water or seawater with xenon lamp
Authors: Zhong Xinyu , Zhu Yaowen , Liu Shuaijun , Fu Jingjing , Lin Hong , He Chunxia
Published: August 2021

To explore the properties of wood-plastic composites (WPCs) used in maritime climates, four different plant fibers (bamboo, rice straw, wheat straw, reed straw), and polyvinyl chloride (PVC) were used to prepare WPCs through extrusion. The composites were subjected to either seawater immersion + xenon lamp aging or deionized water spray + xenon lamp aging. The mechanical properties (tensile strength, flexural strength, impact strength), color change, and water absorption performance were analyzed. The plant fibers were analyzed by X-ray diffraction and Fourier transform infrared spectroscopy (FTIR), and the microstructures of the surfaces were observed by scanning electron microscopy (SEM). The reed fiber had the highest crystallinity; reed/PVC composites had good interface with the plastic matrix, less internal defects, and the best comprehensive performance, with a tensile strength, bending strength, and impact strength of 25.4 MPa, 34.4 MPa, and 4.30 KJ·m-2, respectively. The simulated seawater immersion + xenon lamp aging reduced the performance of wood-plastic composites, destroyed the quality of the combination of plant fibers and plastic matrix, and created internal defects. The comprehensive mechanical properties of reed/PVC composites were the best. The properties of bamboo/PVC composites decreased the least, with a decrease of less than 41.2%.
Flexible and conductive cellulose substrate by layered growth of silver nanowires and indium-doped tin oxide
Authors: Tao Tao , Liu Xi , Islam Amjad , Wu Junying , Ni Yonghao , Huang Liulian , Chen Lihui , Ouyang Xinhua , Li Jianguo
Published: August 2021

Regenerated cellulose film (RCF) has potential as a conductive substrate due to features such as its degradability, transparency, and flexibility. Indium doped tin oxide (ITO) is a conventional conductive material, but its rigidity restricts the formation of flexible conductive film. In this study, silver nanowires (AgNWs) were introduced between the RCF and the ITO conductive framework. Additionally, the fabrication of flexible, conductive, and transparent RCF was conducted. The AgNWs-ITO based RCF demonstrated high conductivity (170 Ω per sq) and transparency (78%) by the addition of 50 μL of AgNWs. After bending the sample 50 times with a 5 mm curve radius, the as-prepared conductive RCF presented an electric resistance improvement of 19%, with a 485% increase for the control ITO-based RCF. This is a result of the AgNWs framework, which can lessen the destruction of the bending treatment on the conductive layer and can also desirably connect the ITO conductive sections. The novel approach can expedite the versatile applications of flexibly conductive RCF on printable, portable, and wearable electronic devices.
Desulfurization performance of MgO/ rice straw biochar adsorbent prepared by co-precipitation/calcination route
Authors: Chen Jiali , Huang Lianhan , Sun Liming , Zhu Xiaofan
Published: August 2021

A solid adsorbent for SO2 adsorption was prepared from magnesium salt/rice straw via co-precipitation/calcination. The effects of various preparation conditions, including the calcination temperature, the weight ratio of Mg/rice straw, magnesium salts, and amine precipitants, were investigated relative to their effects on the desulfurization performance of adsorbents. Maximum sulfur adsorption capacity (260 mg/g) was obtained with MgO/rice straw biochar adsorbent using tetraethylenepentamine (TEPA) as the precipitants, and the preparation conditions included a calcination temperature of 400 °C, a Mg/rice straw weight ratio of 1.2, and magnesium chloride hexahydrate (MgCl2·6H2O) as the magnesium source. The rice straw biochar-supported MgO sample displayed a high SO2 adsorption capacity due to its excellent textural properties, large specific surface areas, small crystallite size, numerous surface active sites of MgO nanoparticles, and introduced N-H groups. The physical and chemical properties of samples were investigated by field emission scanning electron microscopy (FESEM), Brunauer-Emmett-Teller (BET) analyses, Fourier transform infrared spectrometer (FT-IR), elemental analysis (EA), and X-ray diffraction (XRD).
Radio frequency vacuum drying of Eucalyptus nitens juvenile wood
Authors: Ananías Rubén A. , Sepúlveda-Villarroel Víctor , Pérez-Peña Natalia , Torres-Mella José , Salvo-Sepúlveda Linette , Castillo-Ulloa Darwin , Salinas-Lira Carlos
Published: August 2021

Wood drying is an important process for adding value and manufacturing innovative products. Eucalyptus nitens wood is inherently difficult to dry because of its natural propensity for checking as well as collapse and shrinkage. Lumber recovery after industrial drying of eucalypts is also very low. This study measured the wood quality of E. nitens juvenile wood (13 mm thickness) after radio-frequency vacuum (RFV) drying and wood dried in a conventional kiln dryer (KD). Drying cycles were performed using a radio frequency vacuum dryer with a 3 m3 of capacity and convective kiln-dryer equipment with a 3.5 m3 of capacity. The results showed that the drying time using the radio frequency vacuum method was reduced by 47% when compared to conventional kiln drying. The shrinkage was significantly lower in the RFV than in the conventional KD. The volumetric collapse decreased by approximately 60% in the RFV drying. RFV drying of E. nitens juvenile wood improves the wood quality for solid wood products because the intensity of surface checking and collapse are reduced.
Parásitos gastrointestinales en mamíferos silvestres cautivos en el Centro de Fauna de San Emigdio, Palmira (Colombia)
Authors: Sierra Y. D. , Vence N. , Herrera P. , Cañate A. S. , Vanegas J.
Published: August 2021

La parasitosis intestinal en mamíferos silvestres es una de las principales complicaciones debido a las condiciones exógenas del cautiverio. Predisponen al animal a complicaciones fisiológicas o infecciones secundarias que impiden su rehabilitación y reintroducción. El objetivo es determinar la presencia de parásitos gastrointestinales en mamíferos silvestres del Centro de Atención y Valoración de fauna silvestre del Centro de Educación Ambiental San Emigdio, San Emigdio, Palmira, Colombia. Se tomaron muestras fecales de 25 animales cautivos en el Centro de Atención y Valoración, analizándose mediante dos técnicas: a) montaje con solución salina al 0,85 % y solución de lugol al 1% y b) técnica de flotación por solución saturada (Sheather) con densidad de 1.28g/ml, encontrándose un 36% de positividad. Se encontró Enterobius vermicularis, Fasciola sp., Entamoeba sp. y Ancylostoma sp. El grupo de primates no humanos presentó cargas parasitarias más altas con respecto a felinos, caninos y demás mamíferos del estudio. Los microorganismos identificados, son reconocidos como parásitos causantes de complicaciones en animales cautivos y en vida libre; al igual, son catalogados como posibles riesgos zoonóticos.
Efectos de la adición de probiótico Saccharomyces cerevisiae sobre histomorfología intestinal en pollos de engorde
Authors: Quevedo D. M. , Ochoa J. E. , Corredor J. R. , Pulecio S. L.
Published: August 2021

Este trabajo describe los efectos del probiótico Saccharomyces cerevisiae sobre el área, número de criptas de Lieberkühn en duodeno y yeyuno, y producción de moco en ambas secciones intestinales. Fueron empleados los tejidos de un total de 27 individuos, clasificados en grupo control – GC (n=12) y grupo suplementado con probióticos – GP (n=15). Los resultados revelaron que los grupos suplementados con el Saccharomyces cerevisiae presentaron una mayor amplitud del área de las criptas en duodeno (p= 0,0119) y yeyuno (p= 0,0355), menor número de criptas por milímetro en duodeno (p= 0,0420) y mayor producción de moco en duodeno respecto al grupo control (p= 0,0185), mientras que en yeyuno no se observaron diferencias significativas. Se concluyó que el uso de Saccharomyces cerevisiae aumentó el tamaño del área de las criptas en ambas secciones intestinales y aumentó la producción de moco en duodeno; lo cual al aumentar la superficie de absorción intestinal seguramente podría resultar en mejoras de los parámetros productivos.
Uso de perifiton en un sistema de policultivo en agro acuicultura integrada en la comunidad indígena de Jimaín (Colombia)
Authors: Durán-Izquierdo J. C. , Mindiola-Romo R. J. , Wills-Franco G. A. , Pardo-Carrasco S. C. , Muñoz-Ramírez A. P.
Published: August 2021

Los Sistemas de Agro Acuicultura Integrada (SAAI) han sido estudiados como opciónpara la producción de pescado en comunidades con recursos limitados. Así mismo, eluso de perifiton se ha convertido recientemente en una alternativa viable por el aportede alimento natural de bajo costo. El objetivo de este estudio fue evaluar el efecto delperifiton sobre el desempeño productivo del policultivo Piaractus sp. (cachama híbrida)y Prochilodus magdalenae (bocachico) en SAAI en la comunidad Indígena de Jimaín,Colombia. Se sembraron 1,5 alevinos de cachama híbrida y 1,5 bocachicos/m2, con pesopromedio de 0,49 ± 0,14 g y 1,83 ±1,61 g respectivamente, en seis estaques en tierra de90 m2, tres de los cuales contaron con varas de madera (3 varas/m2) para la fijación deperifiton. La duración del cultivo fue de 135 días. Los tratamientos (CS: con sustratoy SS: sin sustratos) recibieron una dieta suplementaria dos veces al día, calculada comoporcentaje de la biomasa con ajuste quincenal. Se realizaron biometrías quincenales. Losdatos productivos por especie y para el policultivo se evaluaron mediante ANOVA conun modelo lineal general (p < 0,05). Los datos de peso (g) y longitud estándar (cm) porespecie se evaluaron mediante un modelo mixto de medidas repetidas. No se encontraronefectos del sustrato sobre los parámetros productivos analizados tanto para cada especie,como para el policultivo. Se presentó interacción significativa para el peso del bocachicoel día 90 (CS: 74,7 y SS: 47,1). Según los resultados obtenidos, la utilización de perifitony el manejo en policultivo de especies nativas requiere más estudios.
Las revistas científicas “Open Access”: ¿una alternativa cuestionable?
Authors: Díaz G.
Published: August 2021

Un estudio reciente llevado a cabo por los investigadores Mikael Laakso (Hanken School of Economics, Finlandia), Lisa Matthias (Universidad Libre de Berlín, Alemania) y Najko Jahn (Universidad de Göttingen, Alemania) encontró que más de 100 revistas científicas han desaparecido de Internet entre los años 2000 y 2019.
Morphological and morphometric characterization of Bulgarian local chicken breed – Southwest Bulgarian dzinka
Authors: Lukanov H. , Pavlova I.
Published: August 2021

Abstract. The poultry genetic resources of the Republic of Bulgaria cover mostly the domestic chicken and domestic pigeon species. A number of introduced breeds of chickens are bred in the country, but also some local primitive and decorative breeds. Southwest Bulgarian dzinka is one of the three bantam chicken breeds that originated in Bulgaria. The aim of the study is to make a complete exterior characteristic of the Southwest Bulgarian dzinka breed. A phenotypic evaluation of a total of 29 roosters and 61 hens was performed. The mean body weight of roosters was 620.7±18.9 g and 492.7±8.42 g of hens. The birds are characterized by the presence of a small rose comb, beard and well feathered legs. The most common color of the plumage is spangled. The legs and beak are light in color, except for the black color of the plumage. The eyes are orange-red. The calculated Index for massiveness, Index of compactness and Index of long-leggedness for roosters were 5.35±0.13, 218.57±4.15 and 46.36±1.83, respectively, and 4.62±0.09, 214.62±3.60, 41.03±1.25 for hens.
Effects of liquid organic mineral complex (MultiMix®) on milk yield, composition and cheesemaking capacity of milk in dairy cows
Authors: Angelova T. , Nedelkov K. , Yordanova D. , Karabashev V. , Krastanov J.
Published: August 2021

Abstract. The objective of this experiment was to investigate the effects of liquid organic mineral complex (MultiMix®) on the milk yield, composition and cheesemaking capacity of milk in dairy cows. Thirty Holstein cows (8 primiparous and 22 multiparous) were used in a randomized complete block design experiment with 15 cows per treatment. Feeding was ad libitum targeting 5% refusals. Milk yield data and samples for fat, true protein, solids not fat (SNF), lactose content and parameters characterizing the milk’s coagulation properties were collected throughout the experiment. Data suggested that MultiMix® administered through the cows’ drinking water had a positive effect on the milk productivity with a high degree of significance (p<0.001). A positive effect on the indicators characterizing the quality composition of milk has also been observed (p<0.001). Additionally, the cheesemaking capacity of milk was enhanced by supplementing animal water with MultiMix® (p<0.001). Overall, the new liquid organic mineral complex used in the present experiment showed promising results for improvement of milk production and composition in dairy cows but further studies are needed to unveil the physiologic mechanisms underlying these beneficial effects.
Non-destructive characterization of bronze objects from Ráksi and the Pusztasárkánytó depot find
Authors: Maróti Boglárka , Káli György
Published: August 2021

Eight ornaments and a dagger were analyzed using completely non-destructive techniques to determine their alloy compositions and to draw conclusions about the production technology. Prompt-gamma activation analysis and time-of-flight neutron diffraction proved that the studied objects are tin-bronzes. Difference was observed in the amounts of ore-related minor components (arsenic, silver, nickel) of the objects belonging to the two distinct archaeological sites. Based on the diffraction analysis of the microstructure, the objects are casts that were exposed to different degrees of manufacturing to reach their final forms.
Stele con cimasa orizzontale con coppia di leoni da Viminacium
Authors: Pilipović Sanja
Published: August 2021

The goal of this paper1 was to shed light on the existence of stelae from Viminacium in the province of Upper Moesia which can be classified as topped by the two reclining lions. This type of stelae, surmounted by two lions and one element between them, was well-known in Noricum and Pannonia. There was no archaeological evidence and previous studies did not point out that this type of stelae was present in Viminacium and Upper Moesia. The study has shown that stelae of M. Valerius Speratus, T. Baebius Eutyches, and most probably of C. Corneilus Rufus, although not preserved in integral form today, were surmounted by the pediment, most likely with two reclining lions.
Roman imperial age belt mounting with scene from Nemeske
Authors: Gábor Olivér , Vaday Andrea
Published: August 2021

Nemeske still belongs to the sparsely researched area of Baranya County. Here during plowing human bones came to light. Archaeologists of the Janus Pannonius Museum conducted a rescue excavation and an instrumental survey, too. During the excavation three Árpádian period tombs were found. In surway trenches traces of several demolished Roman walls were observed. The most interesting find is a bronze plate depicting an armed rider, a lion and an altar.
Chronological observations and the origin of the appearance of red slip coating on Árpád Age cauldron fragments in the light of the excavations at Végegyháza, Zsibrik-domb site
Authors: Lichtenstein László , Rózsa Zoltán , Szigeti Judit , Tugya Beáta
Published: August 2021

Between 2003 and 2008 a research excavation was undertaken at the site of Végegyháza, Zsibrik-domb, also known as Kaszaper Templom-domb (medieval Pereg). The present paper describes the analysis results of the Árpád Age and the late medieval period features and the artefacts within. The pottery assemblage retrieved from the investigations offers new insights into the ceramic traditions of the Árpád Age within the area, whilst the recovery of baking bell fragments of the same date constitutes some of the best evidence for its use extending into the Árpád Age within Southeast Hungary. Analysis of painted cauldron fragments recovered from the features suggests the tradition originated in the Balkans and was brought to the area by a Slav community towards the end of 12thand beginning of 13thcentury. Textual evidence suggests that the area was inhabited again by a South Slav community in the 17thcentury. The recovery of fragments of a different type of baking bell from the late medieval archaeological assemblage corroborates these few written sources. The faunal remains analysis shows that the economy practices of the studied settlement based on animal husbandry and were similar to those of other Árpád Age rural settlements within Southeast Hungary.
American Examples, or, How I Stopped Being an Americanist and Learned to Study Religion in America All Over Again
Authors: Altman Michael J.
Published: August 2021

The Report brings you news on the latest projects, initiatives, and developments from around the field. Michael J. Altman of the University of Alabama relays his experience in moving from subfield expertise to field-critical theorizing and how he brought others along for the journey. American Examples provides intellectual space for early career scholars to reframe a particular interest in things American into provocative illustrations of identity and social formation. With support from Altman’s home institution and later the Henry Luce Foundation, participants workshop and enhance their teaching, research, and public humanities efforts.
Corrupting Language
Authors: Frick Morgan
Published: August 2021

The problem of definition is a well-known concern for scholars of religion. Far from being a scholarly preoccupation, the issue has particular relevance in the health care profession. This article discusses how the dynamics of definition impact public policy and perceptions of health, especially during the COVID-19 pandemic. It also advocates for scholars to model critical reflexivity in their research on religion and health care, among other matters.
Molly Bassett and Applied Religious Studies at Georgia State University
Authors: Newton Richard
Published: August 2021

With the current pandemic, the intersection of religion and health has garnered renewed attention as it potentially impacts not only what we study, but also how and where we do our work. In this edition of The Interview, Bulletin editor Richard Newton spoke with Molly Bassett, Chair of the Department of Religious Studies. Beyond her longstanding reseach interest in myth and bodies in Mesoamerican cultural history, Bassett’s department has pioneered an “Applied Religious Studies”approach to public health at the undergraduate and graduate level. Newton and Bassett discuss the story behind these efforts and the lessons they present for scholars in this moment.
Buddhist Spiritual Practices: Thinking With Pierre Hadot on Buddhism, Philosophy, and the Path. Edited by David V. Fiordalis.
Authors: Jones Dhivan Thomas
Published: August 2021

Buddhist Spiritual Practices: Thinking With Pierre Hadot on Buddhism, Philosophy, and the Path. Edited by David V. Fiordalis. Mangalam Press, 2018. xi + 333 pp. Pb. $35. ISBN-13: 978-0-89800-117-4.
Trauma-induced coagulopathy: prospective observation study
Authors: Vyshynska Mariana
Published: August 2021

Coagulopathy remains the leading cause of illness and death in people with severe trauma.

The aim was to study the indicators of vascular-platelet hemostasis in severe trauma and to establish changes in the main pathophysiological mechanisms of primary hemostasis that occur in patients with trauma-induced coagulopathy, compared with almost healthy individuals of the same age.

Materials and methods. The study included 44 patients aged 19 to 55 years (36.1 [28.7; 43.2] years). The control group included 20 patients of the therapeutic department without preconditions for changes in the hemostasis system, and the main group - 24 patients with diagnosis of “severe trauma” who were treated in the anesthesiology and intensive care department.

Results and discussion. We studied indicators of intravascular platelet activation. Patients had a normal number of platelets in the venous blood, but the level of spherocytes and spheroechinocytes increased. On the 3rd day after the injury, number of platelets in the venous blood was normal, however the level of discocytes decreased, and the level of discochinocytes, spheroechinocytes and the sum of active forms of platelets increased. On the fifth day, the level of discochinocytes and active forms of platelets, significantly higher (p<0.05) among patients of the main group, and spherocytes, spheroechinocytes and platelets involved in the aggregates, were significantly lower than in the control group of patients (p<0.05).

Conclusions. Indicators of vascular-platelet hemostasis in patients with polytrauma had significant differences from those of the control group. This may be evidence of activation of the vascular-platelet system of the hemostasis system and may be a prerequisite for late thrombotic complications in patients with polytrauma
Undifferentiated connective tissue dysplasia as a predictor of heart rate disorders in combination with gastroesophageal reflux disease in children
Authors: Herasymova Oksana , Filonova Tetiana
Published: August 2021

The aim: to improve the early diagnosis of arrhythmia in combination with gastroesophageal reflux disease (GERD) in children, by studying the risk of connective tissue dysplasia on the occurrence of this pathology.

Materials and methods. We examined 100 children aged 8 to 18 years, mean age 13.7±2.7 years, of which 32 children with arrhythmias without combined pathology were group I, 36 children with concomitant GERD - group II and 32 children with GERD without concomitant arrhythmias - group III. Patients underwent clinical and instrumental studies (electrocardiography, Holter daily ECG monitoring, esophagogastroduodenoscopy and pH-metry) and evaluation of phenotypic signs of NDST according to the criteria of T. Milkovskaya-Dimitrova and A. Karkasho.

Results. A risk factor for the formation of combined pathology in children in the form of arrhythmia and GERD was identified, namely the next main phenotypic feature of NDST (undifferentiated connective tissue dysplasia) – dysplastic tooth growth.

Also, predictors of both an isolated variant of arrhythmia in children and arrhythmia in combination with GERD – high height and scoliotic posture were identified.

In this case, the risk factor for an isolated variant of arrhythmia in children, according to the results of the study is asthenic constitution.

The severity of NDST in the studied groups was determined. The analysis of the results revealed the absence of a statistically significant relationship between the severity of NDST and study groups, although it should be noted that in children of group III the first degree of NDST was not observed in general.

Conclusions. It was found that asthenic constitution, dysplastic tooth growth, tall stature and scoliotic posture are statistically significant risk factors for the development of the studied pathologies.

There were no statistically significant differences between the study groups regarding the severity of NDST, but there was a complete lack of detection in children of group III (children with isolated GERD without concomitant arrhythmia) of the first degree of NDST
Modeling of physical phenomena as a methodological means of forming a knowledge structure in physics and programming
Authors: Holovina Nina , Holovin Mykola
Published: August 2021

To bring the theoretical basis to the improvement of the methodic of carrying out laboratory works in physics and computer sciences, a study of psychological and cognitive processes that accompany the corresponding educational activity was held. The important moment of the work is the research of the mental side of educational activities in the terms of formal logic. The accompanying steps to these mental activities and the talk activity are considered. The content component of the talk activity was considered in the work as an important diagnostic factor that indicates the level of understanding of the nature of the new material or the completion of the corresponding cognitive structure. The original graphical ways of formalization of the cognitive scheme of the object activity and the logic of its formation in the context of mental and materialized education activities are presented. These ideas were used to consider the processes of educational activity on the example of the creation of a simple physical model that is realized through the Python talk with the help of Visual library. Educational activities are considered through the prism of the evolution of the structural organization of mental representation of the objects of this activity.

The research demonstrates the cyclical nature of the corresponding cognitive processes, materialized activities, and hierarchical character of the structure of knowledge that is formed in the process of educational activities in physics and programming. The correlation of these processes with the dynamics of the evolution of knowledge is settled. The conceptual ideas that could be useful for modifications of the methodic of realization of laboratory knowledge in the direction of modeling of physical processes and phenomena are formulated. Individual algorithmic problems of modeling of physical processes are considered in the research as components of the holistic system of problems. According to the point of view of the authors, in the course of the preparation of highly professional specialists in the domain of natural sciences, it is necessary to devote a lot of time to the conscious, goal-oriented formation of protocols of abstract logical and causal thinking. The methodology of such work is well formulated, especially in the well-known methods of descending step-by-step detailing and in modular programming
Digital transformation of vocational educational organizations of Ukraine: European vector
Authors: Kulynych Olena
Published: August 2021

The article presents an overview of normative documents, research results, conclusions on the topic of digital transformation of education systems, in particular in the EU countries. The generalization of materials, which help to define, at what stage of digital transformations there is an education of Ukraine, a place of system of vocational education in this global process, is presented. Examples are given as an active position in the direction of ensuring digital transformations of educational and managerial processes in a particular educational institution; it contributes to the implementation of national tasks in the direction of ensuring the digital development of society. Emphasis is placed on how the role of methodological services is changing, on the need for systemic changes in the perception of the educational institution's perception of the process of ensuring the digital development of both teachers and students, and vocational education institutions in general. The study examines four vectors of digital development for vocational (technical) education institutions of Ukraine from the possible options, proposed by European colleagues who have already shown positive results at the level of the education system (vocational in particular) and a separate institution of vocational (technical) education. In particular, the possibility of measuring the level of digital development of the educational institution through the use of the SELFIE service, developed by the European Commission together with a group of educational experts and practitioners from European countries, was considered. The platform is available in more than thirty languages, including Ukrainian. Examples of online tools common in both European educational communities and those, developed by domestic specialists (but taking into account European experience,) are given, thanks to which it is possible to carry out self-assessment, assessment, and soon certification of digital competencies of teachers. Ways to solve the problem of insufficient digital literacy of students, which, along with Ukrainian, and European researchers pay attention to, are given. There are wide opportunities for the development of digital infrastructure, which provides educational institutions with participation in competitions and programs of the European Union, such as Erasmus +
Formation of intercultural competence as a pedagogical problem
Authors: Nechyporuk Nataliia
Published: August 2021

As knowledge of English becomes a priority for the development of the Armed Forces of Ukraine, a modern military specialist is faced with a number of requirements, one of which is the formation of professionally oriented intercultural competence. Thus, a cadet, who has a certain conceptual and terminological apparatus in his/her specialization, has the opportunity to test his/her own knowledge and skills, to provide self-analysis of the level of formation of both intercultural and subject competences, as well as to receive an impartial feedback from foreign experts on the readiness for professional activity.

The article considers the main notions that reveal the conceptual field of intercultural competence. The concepts of "competence", "competency", "culture", "intercultural competence" are defined and their historical-comparative analysis is carried out. It is found, that the professional training of cadets is carried out as a complex pedagogical influence, which has the purpose of developing a number of competences, among which the priority is currently considered to be intercultural competence. The essence of the concept of "competence" and variations of its interpretation by scientists, as well as differentiation with the concept of "competency", are clarified. The role of the humanities in general and the foreign language in particular in the development of professional competences of military specialists is noted.

The generic function of the competence approach, which combines many traditional approaches, is mentioned. Intercultural competence is presented as a system of interconnected elements that position the personality in interaction with society through communication, which, in turn, is a means of adapting to the cultural values ​​of society and acquiring educational competences to form a qualified graduate of a higher military educational institution.

The hierarchy of competences is defined, which consists of three levels: general, special and professional, which are represented by integral, general and professional competences, respectively
The improvement of method for the multi-criteria evaluation of the effectiveness of the control of the structure and parameters of interference protection of special-purpose radio communication systems
Authors: Minochkin Anatolii , Shyshatskyi Andrii , Hasan Vitalii , Hasan Anatolii , Opalak Andrii , Hlushko Anatolii , Demchenko Oleksandr , Lyashenko Anna , Havryliuk Oksana , Ostapenko Stanislav
Published: August 2021

Military radio communication systems are the basis of special purpose control systems and the object of the enemy’s primary influence. Therefore, the issue of increasing the noise immunity of military radio communication systems is important and needs further research. Thus, the object of the research was chosen to be a military radio communication system. Maintaining a given level of noise immunity for military radio systems is one of the key issues in radio resource management, the effective management of which allows the use of the entire suitable frequency range for the transmission (reception) of electromagnetic energy by radio electronic devices. A number of works have been devoted to the ways search for increasing the noise immunity of military radio communication systems. One such way is to develop new (improve existing) approaches for assessing the effectiveness of military radio interference management. This work solves the problem of improving the method of multicriteria management effectiveness evaluation of the structure and parameters of the military radio systems noise protection.
The scientific problem is solved by the devices of multicriteria estimation of the of noise protection level of the military radio communication system, graphic display of the executed and not executed tasks, the aggregation scheme of formation of the integrated estimation of noise protection. The research used scientific methods of analysis and synthesis, also the theory provisions of signal-code structures and the provisions of the complex technical systems theory.
The peculiarity of the proposed improvement of the methodology is the multi-criteria assessment of the noise immunity level of the military radio communication system in the conditions of radio electronic conflict. The proposed technique allows:
– to evaluate the effectiveness of noise protection management;
– to substantiate the optimal configuration of the military radio communication system in solving the problems of noise protection management in the conditions of radio electronic conflict;
– to identify the ways to increase noise immunity at the stage of operational management of the military radio communication system in the conditions of electronic conflict.
The results of the research should be used in assessing the effectiveness of management of noise protection of military radio communication systems and determining the optimal structure and parameters of military radio systems.
Study of titanium oxidation kinetics at temperature above polymorphic transformation
Authors: Trush Vasyl , Luk’yanenko Alexander , Fedirko Viktor
Published: August 2021

The object of research is the analytical description of the phenomena in the near-surface layer, which are caused by the interaction of titanium with oxygen at high temperatures. These are temperatures that exceed the polymorphic transformation of the metal. High-temperature oxidation gives titanium products unique performance properties. Of course, such characteristics are determined, first of all, by the state of the near-surface layer. Therefore, an understanding of oxidation processes will make it possible to predict the state of the near-surface layer after heat treatment. However, to date, no unified approach has been created to describe the mechanism and kinetics of high-temperature oxidation of titanium in the near-surface layer. Indeed, most of the existing approaches make it possible to predict the nature of oxidation in the bulk of the metal. Some scientific papers describe the kinetics of oxidation, taking into account only the formation and growth of oxide layers. However, simultaneously with oxide formation, a diffusion zone is formed, which significantly affects the kinetics. Therefore, today one of the most problematic areas of high-temperature titanium oxidation is the description of the processes that take place in the near-surface layer.
In this work, to describe the kinetics of high-temperature oxidation of titanium, in addition to the formation and growth of the oxide layer, the formation and growth of the diffusion zone is taken into account. In the diffusion zone, under the influence of structural phase transformations, solid solutions of oxygen are formed in the alpha and beta phases. This approach made it possible to take into account additional factors and thereby more accurately describe the processes of high-temperature oxidation of titanium. As a result of the calculations, the thickness of the oxide layer of the diffusion zone is given depending on the oxygen concentration and the duration of treatment. And also the dependences of the kinetics of displacement of the boundary of the oxide-diffusion layer are given and a system of equations for calculating the ratio of the formed phase components is developed. Thanks to the proposed analytical approach, it will be possible to calculate the sizes of interphase boundaries on the basis of temperature-time parameters and oxygen concentration and thereby form a hardened near-surface layer with certain functional properties
Investigation of the accuracy of the manipulator of the robotic complex constructed on the basis of cycloidal transmission
Authors: Strutynskyi Serhii , Semenchuk Roman
Published: August 2021

The object of research is modern robotic systems used in hotspots. In their arsenal, such mobile works are equipped with manipulators with high-precision hinges, which provide accurate positioning of the gripper (object of manipulation). Considering ground-based robotic complexes with a wheel or caterpillar base, the implementation of the process of manipulation on a stationary basis, a number of problem areas were identified that affect the accuracy of positioning.
In the course of research and analysis of modern robotic complexes, their circuit and design of components and mechanisms that provide the necessary qualities and parameters. The problem of developing high-precision hinges is central to the creation of efficient ground-based robotic systems.
The methodology of kinematic research of rotary hinges of the manipulator for the ground robotic complex is stated. The analysis of influence of deformations of material of impellers of not involute transfer on accuracy of positioning of a final subject is carried out. A kinetostatic analysis of the manipulator circuit was performed and the maximum moments acting in the hinged units on the drive unit were determined, which allowed to make a quantitative assessment using the Solidworks software package.
The mathematical model of construction of transfer and definition of accuracy of a rotary knot for a ground robotic complex, with use of cycloidal transfer without intermediate rolling bodies is investigated and developed. Mathematical modeling and taking into account the features of mechanical processes occurring in the manipulator, allows to increase the technical level of robotic complexes.
Ways of improvement are defined for maintenance of a progressive design of the manipulator that not only will satisfy necessary technical characteristics, but also will allow to simplify manufacturing technology.
Modern technologies and materials (stereolithography, carbon fiber, superhard materials) make it possible to implement advanced designs of spatial drive systems. Therefore, work in this direction is relevant, as robotic mechanical complexes for special purposes are widely used when performing work in emergencies.
Analisys of teaching elements on technical and mathematical disciplines in modern distance education
Authors: Biziuk Andrii , Biziuk Valerii , Shakurova Tetiana
Published: August 2021

The object of research is the quality of teaching technical and mathematical disciplines in modern distance education. One of the most problematic areas is communication, dialogue between a teacher and a student, personality problems in the teacher-student dyad, and the effectiveness of feedback. The idea of distance learning, obviously, is that the interaction between teacher and student takes place in a virtual space. The more efficiently this interaction is built by using a variety of techniques, methods, the better a teaching process. Distance teaching is essentially a person-centered form of education. This is a separate modern educational technology that provides a choice for the teacher, the ability to select educational material depending on the information needs of students.
In the course of the study, the main possibilities for improving the effectiveness of feedback between the student and the teacher and the forms of implementing such communication were considered. The organizational and pedagogical conditions for the use of the system of certain elements of distance learning in the process of vocational training have been substantiated. Modern information technologies and innovative teaching methods in training specialists are described. It is proposed to use more actively such elements as an interactive whiteboard, interactive processing of students’ statements during a survey, both in the form of tests or a forum, and in the form of a «word cloud». The use of these interactive elements has proven itself in practice.
As a tool for objective assessment of the level of feedback, a comparative analysis of statistical data is proposed, which concerns the distribution of marks at the beginning and at the end of the distance learning course. This data can also be interpreted as an indicator of the quality of teaching. In particular, the analysis of school preparation of students for mastering mathematical disciplines in higher education was carried out. Comparative analysis substantiated, in particular, the need for additional classes for students with poor preparation.