bluuebunny/crossref_metadata_2025 huggingface dataset:
GEOPOSPATIAL ORGANIZATION OF TOURIST AREAS IN THE CONTEXT OF RECREATIONAL NATURE MANAGEMENT
Authors:   Uzhhorod National University, Mashika Hanna , Nych Tetyana ,   Taras Shevchenko national University of Kyiv
Published: February 2022

The purpose of this article is a theoretical justification and practical study of the geospatial organization of tourist areas in the context of recreational nature. Method. General scientific methods were used in the research, in particular analysis and synthesis, methods of comparison and generalization, system approach, induction and deduction and specifically scientific methods: historical-geographical, comparative-geographical. As a methodological basis used developments, which are set out in the scientific works of Yu.A. Vedenina, O.O Beydika, О.О. Lyubitseva, M.Y. Rutinsky., V.I. Stafiychuk, V.L Petranovsky, L.I. Topalova and others. Nature management is considered as an applied scientific field based on natural science knowledge and a set of fundamental socio-economic disciplines. Research results. Theoretical and methodological provisions of research of geospatial organization of tourist territories taking into account recreational nature use (in this case it is considered as practice and social experience of use of natural conditions of natural and recreational resources) in the context of balanced development are developed. Scientific novelty. A comprehensive approach to the optimization of tourist areas in terms of recreational and tourist activities, taking into account the needs of recreational nature, the balance of interests of society and nature. Research and evaluation of the mechanism of formation of geospatial organization of tourist areas, taking into account the use of emerald objects. Practical significance. It consists in the development and practical application of the theoretical basis for the study of tourist areas in the context of recreational nature. The results of research can be implemented during the development of measures to adapt areas to recreational loads, changes in environmental conditions and the reverse impact of recreational and tourist activities, in teaching disciplines "Theory and practice of recreational and tourist nature", "Nature", "Rural green tourism". "Fundamentals of green tourism and recreation", forming the consciousness of the younger generation during training in the Free Economic Zone.
SYSTEMIC ANALYSIS OF FACTORS OF THE ATTRACTIVENESS OF THE TERRITORY AS A COMPONENT OF THE TOURIST AND RECREATION POTENTIAL
Authors:   Pavlo Tychyna Uman State Pedagogical University, Braslavska Oksana
Published: February 2022

As a result of the system analysis inhomogeneous factors of attractiveness of the territory as a component of tourist and recreational potential are classified. It is established that the attractiveness for the territory is its dynamic characteristic, with the help of which it is possible to expand tourist and recreational activities in different directions. It is proved that the dynamics of the attractiveness of the territory, which is variable, varies depending on many factors that affect its development. Purpose: the generalization of certain factors will allow to obtain a comprehensive assessment of the degree of their impact on the current state and the degree of use of tourist and recreational potential in the regions of Ukraine. The novelty is the results of the composition of heterogeneous factors: the interaction of internal and external (geographical location, information, resources (natural and anthropogenic), infrastructure and personnel, laws, consumers of services (tourists, vacationers), domestic events, economic situation, international events, political and socio-cultural factors). It is proved that internal factors are the source of functioning of the attractiveness of the territory, give the opportunity to improve the tourist and recreational potential in a certain period of time. The generalization of inhomogeneous factors is offered, which allows to take into account their structural hierarchy, heterogeneity, dynamic instability and to determine the conditions of evaluation. Along with certain factors, the demand for health, recreation, and positive impressions largely depends on the proper condition of the territory, which contributes to ensuring a high level of provision of these services. This level can be achieved by a consistent and structured description of heterogeneous factors of attractiveness of the territory and identifying among them the most optimal factors. It is proved that the study of certain factors of attractiveness of the territory, qualitative assessment, choice of priorities of relevant indicators lead to solving the multicriteria problem of optimizing tourist and recreational potential, which reduces the negative impact of various elements and increases opportunities to increase its demand. The interaction of internal and external factors was proved using the following methods: analysis of literature sources, description and comparison. The practical significance of these results shows that in the second decade of the XXI century. in the structure of tourist and recreational potential, which is formed at the junction of many branches of economic activity of people, one of the leading places and active development belongs to the attractiveness of the territory.
Depolymerization of the waste polymers in municipal solid waste streams using induction-coupled plasma technology
Authors:   , Guddeti Ravikishan Reddy , Grossmann Elihu D. , Knight Richard
Published: February 2022

A significant, valuable percentage of today's municipal solid waste stream consists of polymeric materials, for which almost no economic recycling technology currently exists. This polymeric waste is incinerated, landfilled or recycled via downgraded usage. Thermal plasma treatment is a potentially viable means of recycling these materials by converting them back into monomers or into other useful compounds. The technical, laboratory scale, feasibility of using an induction-coupled RF plasma [ICP] heated reactor for this purpose has been demonstrated in the present study. Polyethylene [PE], polypropylene [PP] and polyethylene terephthalate [PET], the model polymers chosen for the study, were injected axially through the center of an ICP torch. 68% of PE, 78% of PP and 75% of PET were converted into gaseous products. Ethylene and propylene were the primary gaseous products of decomposition of the former two polymers and acetylene was the primary product of the depolymerization of PET. The amount of propylene obtained in PE depolymerization was significantly higher than anticipated and was believed to be due to [beta]-scission reactions occurring at the high plasma temperatures. Statistical design of experiments was used to determine the influence of individual variables. Analysis of results showed that plasma plate power, central gas flow rate, probe gas flow rate, powder feed rate and the interaction between the quench gas flow rate and power input were the key process parameters affecting the yield of monomer in the product gas stream. Depolymerization of a PE + PP mixture yielded concentrations of propylene and ethylene close to those predicted from weighting the concentrations of products from the individual polymers. 75.5 wt.% of the mixture was converted into monomers. TEM analysis of the carbon residues collected from different locations of the reactor indicated the formation of some novel carbon structures, including carbon nanotubes. The presence of these novel forms of carbon could potentially lead to several high valued applications of this process such as production of high surface area catalysts, hydrogen storage materials, and materials for electronic applications such as super capacitors, flat panel displays etc.
¿Cómo podemos promover el uso de plataformas de aprendizaje? Resultados de un estudio piloto en Chile
Authors: Arias Ortiz Elena , Cristia Julian P. , Palomino Luis
Published: February 2022

Este trabajo presenta los resultados de un estudio piloto implementado para promover el uso de la plataforma de aprendizaje para Matemáticas ConectaIdeas desde el hogar. Utilizamos datos recolectados durante el año académico 2020 en 11 escuelas primarias en Santiago con altos niveles de vulnerabilidad. Los resultados muestran que las condiciones generadas por la pandemia ocasionaron importantes desafíos para el proyecto y esto se reflejó en niveles de uso limitado de la plataforma, en particular al final del año escolar. Sin embargo, la situación permitió experimentar con estrategias para motivar el uso de la plataforma por parte de los estudiantes. Los resultados muestran que el 44% de los estudiantes matriculados se conectaron a la plataforma alguna vez y permanecieron un promedio de 8 horas en la plataforma durante todo el período de análisis. Los resultados también muestran que una campaña por la cual los estudiantes recibían pequeños premios por alcanzar ciertos objetivos de desarrollo de ejercicios generó un incremento de uso de la plataforma. Estos efectos no se evidencian de forma inmediata a la implementación de la campaña, sino que se materializan después de dos y tres meses luego de su implementación. El uso general de la plataforma y los efectos de la campaña fueron similares entre niñas y niños. Un análisis comparativo con un estudio piloto similar en Perú sugiere que lograr una colaboración efectiva con los Ministerios de Educación y con los docentes podría ser clave para alcanzar altos niveles de uso que se puedan sostener en el tiempo.
Producción y colaboración científica en Centroamérica: resultados del Diálogo Regional de Política (DRP) en Centroamérica y República Dominicana
Authors: Tacsir Ezequiel , Tacsir Andrés
Published: February 2022

La situación provocada por la pandemia de COVID-19 revela la importancia que tienen el conocimiento y las capacidades científicas y tecnológicas. La evidencia empírica apunta a que la innovación es determinante en el crecimiento de la productividad a largo plazo. En este contexto, la producción científica mundial ha aumentado fuertemente en las últimas décadas. De acuerdo con las revistas indexadas en la base de datos Scopus, Centroamérica, aun con una cantidad baja de publicaciones, también ha mostrado un rápido incremento en los últimos 20 años: si bien partió de una base pequeña de 453 artículos en 2000, creció un 530% hasta alcanzar 2.862 documentos en 2020. Al mismo tiempo, se dio un aumento en los autores activos y se incrementó la producción con autores de otros países, lo cual amplió la calidad. Aunque Centroamérica es una región de alta colaboración internacional en su producción científica, la cooperación que incluye exclusivamente a países centroamericanos es casi inexistente, por tanto, es importante fomentar políticas para la integración regional en investigación y desarrollo (ID). Tomando estos aspectos en cuenta, el informe presenta recomendaciones y propuestas resultantes del Diálogo Re
Aktualizacja Słowa Bożego w przepowiadaniu
Authors: Dyk Stanisław
Published: February 2022

Bez aktualizacji przepowiadanie gubi swój cel, staje się mało atrakcyjne, samo zaś słowo Boże postrzegane zostaje przez słuchaczy jako pozbawione swej zbawczej mocy i nieżyciowe. Opra­cowanie potwierdza te tezy. W artykule uporządkowano i syntetycznie przedstawiono naj­ważniejsze zagadnienia związane z aktualizacją: teologiczne podstawy aktualizacji, główne za­sady jej realizacji; biblijne modele aktualizacji jako wzorce dla współczesnego przepowiadania; proces aktualizacji. W zakończeniu zaś sformułowano opisową definicję aktualizacji.
Obraz Sądu Ostatecznego w ikonosferze sądownictwa
Authors: Krawczuk Ołeksij , Ostaszczuk Iwan
Published: February 2022

Główną funkcją tematyki sądowej w sztuce jest prezentacja wartości i sprawiedliwości. Niniejszy artykuł omawia zagadnienie dialogu prawa, religii i sztuki na przykładzie obrazu Sądu Ostatecznego, który ukazuje ideę wyższej sprawiedliwości, usankcjonowanej przez Boga jako Najwyższego Sędziego. W oparciu o porównawczo-historyczną, semiotyczną i hermeneutyczną metodę wyodrębniono kwestię genezy i istoty chrześcijańskiej idei Sądu Ostatecznego na podstawie narracji mitów egipskich i starogreckich oraz tekstów Pisma Świętego. Badane są główne obrazy i symbole tego wątku, a mianowicie: Chrystus Sędzia, św. Michał, waga i psychostazja. Podano przykłady Sądu Ostatecznego w ikonografii  kościelnej i w sztuce.
Performance of lisianthus varieties in a shaded environment
Authors: Silva Mariana de Menezes , Segundo Vanessa Cláudia Vasconcelos , Barbosa Filho José Antonio Delfino , Vasconcelos Aurilene Araújo , Innecco Renato
Published: February 2022

Lysianthus cultivation is a recent activity when compared to the main cut flowers, and little is known about the techniques and the use of shading screens that can increase productivity in floriculture, resulting in favorable morphophysiological responses to the crop. The objective of this study was to verify whether shading screens impact the growth performance of lisianthus varieties. The experiment was carried out in a greenhouse in São Benedito farm, located in São Benedito, Ceará. The varieties studied were Lisianthus ABC 2-3 Blue, Lisianthus Allemade White and Lisianthus ABC 2-3 Rose, and three environments, one with aluminized screen (AS), one with red screen (RS) and the third environment without screen shading (WS). The experimental design was completely randomized in a 3 x 3 factorial scheme, with three environments and three varieties with three replications. The following were analyzed in cm: button diameter (BD); rod height (RH); actual size (AS); commercial size (CS); rod thickness (RT); and by counting, the number of buttons per stem (BS). The blue variety was better adapted to the conditions imposed by the AS environment, the rose variety presented the best results in the WS environment and the white variety, under the conditions of the experiment, would be unsuitable for the crop cultivation. The RS environment does not offer conditions conducive to satisfactory growth in rod size. Lysianthus cultivation is influenced by the use of shading screens.
Phenolic content, antibacterial and antioxidant activities of herbal infusions
Authors: Silva Larissa Ferreira , Santini Amanda Tristão , Silva Carolina Lima , Galera Flávia Apolinário , Ribeiro Ingridy Simone
Published: February 2022

Natural products derived from plants are considered the oldest medicine in the world. Teas are an accessible source of antioxidant compounds, especially polyphenols that impart flavor, aroma and pharmacological properties. Considering the context of using natural products for health maintenance, the present study aimed to analyze the content of total phenolic compounds, antibacterial and antioxidant activities of infusions using Morus nigra, Casearia sylvestris, Hibiscus sabdariff and Moringa oleifera commercialized in Muzambinho/MG. The infusions were prepared by adding 100 mL of distilled water at approximately 100ºC over 1 g of herb at room temperature for 10 minutes. The analysis of total phenolic compounds was performed using Folin-Ciocalteau. For the analysis of antioxidant activity, the free radical DPPH was used and the results were expressed as a percentage of scavenging activity. For the analysis of antibacterial activity, the microdilution in broth assay was performed in order to find the minimum inhibitory concentrations. It was possible to conclude that the infusion with the highest levels of phenolic compounds were C. sylvestris and M. oleifera, while those that showed a greater antioxidant activity were M. oleifera and M. nigra. As for antibacterial activity, all infusions were able to inhibit E. coli, especially the infusion of C. sylvestris, which was also able to inhibit S. aureus. Although all of the herbs showed antioxidant and antibacterial activities, and also phenolic compounds, C. sylvestis was the herb that stood out in this work because of its phenolic composition and antibacterial activity. In sum, it is concluded that future work is needed to elucidate the exact chemical composition of the infusions and other biological activities.
Physiographic Characterization of the Córrego do Perdido River Basin – Ibatiba/ES
Authors: Carvalho Arnaldo Henrique de Oliveira , De Almeida Leão Breno Dalcolmo , Castro Fábio da Silveira
Published: February 2022

The use of natural resources has been accompanied by serious problems appearing from inadequate management. Thus, knowing the characteristics of the environmental planning units can contribute to minimizing damage and planning conservationist actions. The morphometric characteristics of the Córrego do Perdido river basin were determined for environmental planning purposes. To this end, we used radar data from the Shuttle Radar Topography Mission (SRTM) to represent the Digital Elevation Model (DEM) and geoprocessing techniques in a Geographic Information System (GIS) environment. To elucidate the hydrological behavior of the basin, we estimated some morphometric parameters. The drainage area obtained corresponds to 31.11 km², and the perimeter measures 33.57 km. With an irregular shape, the basin presented a shape factor equal to 0.12, compactness coefficient of 1.69, circularity index of 0.347 and small flow extension (0.1052 km). The drainage density found was 2.38 km-2, indicating high drainage capacity. The basin had a strong wavy terrain (47.38% of the total basin area), with an average slope of 30.6% and an average altitude of 1,145 meters. The physiographic characterization revealed through the morphometric indices that the basin has an elongated shape and a dendritic drainage network of fourth order and, disregarding the adverse hydrological events, is not very susceptible to flooding. The high drainage capacity contributes to the infiltration of water into the soil, and the vegetation cover of the slopes must be preserved.
A scale of grades for evaluation of herbicide weed control efficiency
Authors: Miranda Gustavo Rabelo Botrel , Bregagnoli Marcelo , Dias Raphael Antônio Prado
Published: February 2022

The present work aims to describe a proposal of scale of grades for analysis of herbicide efficiency to make results of researches closer to the technical reality. The proposed scale of grades is based on a 5-percentage point scale (5-PPS), i.e., the weed control grade 1 is 0% to 4%, grade 2 is 5% to 9%, and so on up to 20 (95% to 99%) and 21 (100% weed control). This scale was based on three factors. The first considers the decreases in the coefficient of variation and standard deviation in statistical analyses, which improve the precision of results, when compared to a 20-percentage point scale (20-PPS), and the detection of significant differences between means that are not detected in the 20-PPS. The second factor is based on the comparison of the described symptomatologic analysis that attributes 5 grades that are, analogically, a 20-PPS. The proposed scale improves the statistical and agronomical evaluations. Therefore, the proposed methodology is better in differentiating results of weed control efficiency in field evaluations. The third factor considers improvements in the interpretation of results of herbicide efficiency, enabling the use of higher grades in the scale for studies on resistance to herbicides by indicating the selection pressure. It is concluded that the use of the proposed grading scale reduces the coefficient of variation and results in a better interpretation of the technical reality of the effects of herbicides.
Predicting height growth in bean plants using non-linear and polynomial models
Authors: Frühauf Ariana Campos , Silva Edilson Marcelino , Fernandes Tales Jesus , Muniz Joel Augusto
Published: February 2022

Brazil has stood out worldwide as one of the main producers and consumers of beans, which makes their cultivation important for the economic and social development of the country. As the bean plant has a short growth cycle, its modeling is essential for optimizing management plans for this crop. This modeling can be performed by linear and non-linear models, but the latter have stood out for providing more information to the researcher, mainly due to the practical interpretation of their parameters. In this sense, in the R statistical software, the third-degree linear polynomial model and the Logistic and Gompertz non-linear models were adjusted to height data, in centimeters, in relation to time, in days after emergence, totaling 11 observations. As criteria to assess the quality of the fit, the adjusted coefficient of determination, the corrected Akaike information criterion and the residual standard deviation were used. The logistic model best fitted the data.
Regeneration with or without seedling management: Serra do Mar slope, São Sebastião/SP
Authors: Garcia Marco Antônio Alves , Terra Ana Beatriz Carvalho , Roma Talita Nazareth de
Published: February 2022

The survival of forest communities is based on the seedling bank, since the greater the diversity, the greater the probability of heterospecific replacements. This work aimed to verify, through the species composition, if there is natural regeneration of the clearing with and without management and if it is possible that the clearing regeneration occurs without the management. The study site covered a clearing and a fragment of the Atlantic Forest Biome, in the municipality of São Sebastião/SP, north coast of the state of São Paulo. Ten subplots of 0.5 m x 1.0 m were installed randomly in 8 transects of 2.0 m x 50.0 m, with and without seedling management, where the set of seedlings with up to 20 cm was sampled. At the end of the study, 266 individuals were found, grouped into 38 families and 5 life forms (arboreal, shrub, herbaceous, epiphyte and liana), later classified into: 45 species (60.81%), 23 genera (31.08%) and 6 families (8.10%). Myrtaceae and Rubiaceae stood out as the most species-rich families, with 8 and 6 species, respectively. In the clearing, 22.2% of the sampled species were found, while 77.8% belonged to the forest. The difference between the number of species in the clearing and in the forest fragment suggests that the invasive species Melinis minutiflora and Scleria plusiophylla can hinder the establishment of seeds, preventing the germination of native species. Therefore, for the clearing regeneration process to occur faster, human intervention is necessary in the management of invasive species. Accordingly, the elaboration of a revegetation project withmonitoring and evaluation of the area of study was emphasized.
Folha de Rosto
Authors: Agrogeoambiental Revista
Published: February 2022

Folha de Rosto
CONDITION OF PERIODONTAL TISSUES IN CHILDREN WITH CONGENITAL CLEAT OF THE PALATE AND DEFECT AFTER URANOPLASTY
Authors: Chuykin Oleg , Davletshin Nail' , Chuykin Sergey , AKATYEVA Galina , Kuchuk Kristina , Ganieva Rimma , Muratov Azamat
Published: February 2022

The article is devoted to the study of the state of periodontal tissues in children with congenital cleft palate and defects remaining after uranoplasty.

Objectives. To determine the characteristics of the state of periodontal tissues in children with defects remaining after uranoplasty in congenital cleft palate and to compare the obtained clinical data with a group of apparently healthy children.

Methodology. The article presents the results of a clinical dental examination of 109 children aged 6-12 years with congenital cleft palate after uranoplasty and residual defects. In the examined children, the hygienic state of the oral cavity was assessed, the severity of gingivitis and the condition of the periodontal tissues were determined. The hygienic state of the oral cavity was assessed by the Fedorov-Volodkina index (1964), the Green-Vermillion IGR-U (C. Green, JR Vermillion, OHI-S), the periodontal condition using the complex periodontal index KPI (Leus P.A., 1988) and papillary-marginal-alveolar index (PMA, C. Parma, 1960).

Results. In children with remaining postoperative defects with severe congenital cleft palate, the level of hygiene is more often characterized as "poor" and "unsatisfactory" than in healthy children; the highest incidence of periodontal diseases in childhood was revealed. In most cases, children with postoperative palate defects were found to have mild and moderate severity of gingivitis according to the PMA index.

Conclusions. The results of the study made it possible to obtain clinical and dental data on periodontal diseases in children with congenital cleft palate and defects remaining after uranoplasty. To prepare a patient for a reconstructive plastic surgery to eliminate the remaining palate defect, it is necessary to introduce a set of measures to treat periodontal diseases and improve the health of the oral cavity into the rehabilitation algorithm for children with congenital cleft palate.
DEVELOPMENT OF INFORMED VOLUNTARY CONSENT FOR VARIOUS TYPES OF DENTAL INTERVENTIONS FOR PATIENTS TAKING ANTIRESORPTIVE DRUGS
Authors: Spevak Elena , Christoforando Dmitry , Sazanov Grigoriy , Cymbal Anna
Published: February 2022

Subject. The number of patients taking antiresorptive drugs (bisphosphonates and denosumab) is steadily increasing. The need of this group of patients for dental care continues to be high. In this regard, the prevalence of complications of antiresorptive therapy – drug osteonecrosis of the jaws – tends to increase. Therefore, the problem of awareness of doctors and patients on the assessment of the risk of drug osteonecrosis of the jaws and its prevention is of high relevance.

The aim of the study is to develop a form of informed voluntary consent for types of dental interventions for patients receiving antiresorptive therapy.

Methodology. The analysis of regulatory documents on the procedure for obtaining informed voluntary consent in the Russian Federation, as well as positional documents of the leading communities of maxillofacial surgeons on medicinal osteonecrosis of the jaws (USA, Italy, Japan, South Korea, Austria) was carried out.

Results. On the basis of Appendix No. 2 of the Order of the Ministry of Health of the Russian Federation dated November 12, 2021 N 1051n, in accordance with Article 20 of Federal Law No. 323-FZ dated 11/21/2011, a form of informed voluntary consent for types of dental interventions for patients who have indicated a history of taking bisphosphonates and (or) denosumab has been developed. The form contains an explanation of the causal relationship between taking antiresorptive drugs and the onset of medicinal osteonecrosis of the jaws, a description of dental manipulations in terms of the risks of this complication, as well as ways to prevent the disease.

Conclusions. The presented form of informed voluntary consent to the types of dental interventions for patients receiving antiresorptive therapy is submitted for discussion by the medical community. Openness and completeness of information, as well as cooperation and sharing of responsibility between the patient and the doctor will lead to positive changes in the problem of prevention of medicinal osteonecrosis of the jaws.
ESTIMATION OF THE MICROBIOLOGICAL PROFILE IN THE AREA OF RESIDUAL PALATE DEFECT AFTER URANOPLASTY IN CHILDREN WITH CONGENITAL CLEFT PALATE
Authors: Kuchuk Kristina , Chuykin Oleg , Ochilova Rigna , Chuykin Sergey , Bilak Anna , Ganieva Rimma , Muratov Azamat
Published: February 2022

The article is devoted to the study of the microbiological profile of the mouth and nose in children with congenital cleft palate and remaining defects after uranoplasty.

Objectives. To determine the microbial profile of the mouth and nose in children with a cleft palate and defects after uranoplasty and conditionally healthy children in the control group.

Methodology. The microflora of the oral cavity and nose of 109 children aged 6-12 years with a severe form of congenital cleft palate (combined cleft of the upper lip, alveolar ridge and palate, as well as a wide isolated cleft of the palate) after uranoplasty and residual palate defects in the dispensary was studied observation of the maxillofacial surgeon of the Republican Children's Clinical Hospital of the Republic of Bashkortostan and 50 apparently healthy children of the same age group.

In the examined children, microbiological studies of biological materials were carried out using standard methods in the conditions of the bacteriological laboratory of the Republican Children's Clinical Hospital, Ufa. The material was taken with a sterile cotton swab from the mucous membrane in the area of the palate defect and from the side of the nasal cavity and sown on various nutrient media. The presence of pathogenic and opportunistic microorganisms was determined.

Results. All 109 examined children with remaining postoperative defects with congenital cleft palate revealed atypical microflora in the oral cavity and in the nasal cavity, mostly represented by pathogenic streptococci and staphylococci, yeast-like fungi.

Conclusions. The data obtained as a result of the study on the presence of pathogenic microflora from the oral cavity and nose in the area of the residual palate defect after uranoplasty in children with congenital cleft palate is the basis for the need to develop therapeutic and prophylactic measures aimed at improving the microbiocenosis of adjacent cavities at the stage of preparing the patient for reconstructive - plastic surgery to eliminate a defect in the palate.
Catalytic layers on the composites of polymers, carbon nanotubes and adsorbed platinum particles
Authors:   Frumkin Institute of Physical Chemistry and Electrochemistry RAS, Tusseeva E. K. , Zhigalina V. G. ,   Shubnikov Institute of Crystallography RAS, Zhigalina O. M. ,   Shubnikov Institute of Crystallography RAS, Zhilov V. I. ,   Frumkin Institute of Physical Chemistry and Electrochemistry RAS, Hazov O. A. ,   Frumkin Institute of Physical Chemistry and Electrochemistry RAS
Published: February 2022

The composites contained ultra low amounts of platinum, polymers and carbon nanotubes (SWCNTs) were investigated. The main goal were to elucidate the influence of the polymer functional groups nature on the structure and on electrocatalytic activity of the composites. The structure of the composite Platinum/sodium polystyrensulfonate (PSS)/SWCNTs/GC has been studied by TEM, HRSTEM, HAADF STEM and SAED methods. The loading of platinum was detected by ICP–AES. The electrochemical studies show high catalytic activity of the prepared composite in methanol oxidation reaction comparing to commercial catalyst Pt/C ETEK and other previously studied composites.
Genetic Diversity Assessment in Chickpea (Cicer arietinum L.) through Agro-morphological and ISSR Molecular Markers
Authors: Janghel D.K. , Kumar Krishan , Kumar Mukesh , Chhabra A.K.
Published: February 2022

Background: Chickpea (Cicer arietinum L.), commonly known as gram or Bengal gram, is a self-pollinated diploid plant (2n= 2x= 16) ranked third after common bean and field pea. Genetic diversity assessment is the fundamental of any breeding programme, conservation of genetic resources and as a general guide for the choice of parents in hybrid breeding. The present investigation aimed to study the genetic diversity among 45 elite chickpea genotypes using agro-morphological traits and ISSR molecular markers. Methods: The experimental material comprised of 45 elite chickpea genotypes, grown in Randomized Block Design (RBD) with three replications under natural field conditions at Research Farm of Pulses Section, CCSHAU, Hisar during Rabi 2014-15. Genetic divergence was studied using 11 agro-morphological traits by Non-hierarchical Euclidean cluster analysis and 25 ISSR primers using UPGMA based method. Result: Genetic divergence study based on agro-morphological traits and molecular markers showed ample amount of genetic variation among elite chickpea genotypes which were discussed and compared their diversity analysis as well. The present study confirmed the importance of agro-morphological traits and ISSR markers for detecting tremendous amount of genetic diversity in chickpea which may be used to select good parental material in chickpea breeding programmes for further improvement.
Supervisi Pembelajaran Berbasis E-learning dalam Google Classroom pada Masa Pandemi Covid-19
Authors: Tahir Ahmad Tarmizi
Published: February 2022

Considering the current problem of the Covid-19 outbreak which has taken many lives so that all activities are temporarily based on WFH. One effort to be able to continue implementing learning in education is to use the Google Classroom application, so here the researchers formulated their focal points as follows: (1) How is the implementation of e-learning based learning in Google Classroom in Covid-19 Pandemic Situations, (2) What methods used in e-learning based learning in Google Classroom in Covid-19 Pandemic Situation, and (3) how to supervise e-learning based learning in Google Classroom in Covid-19 Pandemic Situation. The purpose of this study is: (1) analyzing how the implementation of e-learning based on Google Classroom in COVID-19 situations, (2) To describe the methods used in learning based on e-learning based on Google Classroom in COVID-19 situations, and (3) To describe the implementation of e-learning-based learning supervision in Google Classroom in Covid-19 Pandemic Situation. In this study, the researcher used descriptive qualitative, while the data collection techniques used interviews and documentation. The results of this study are: (1) In learning, an educator gives an assignment that is required to be written and then sent to the student through the Google Classroom application. This can be likened to sending messages via email, (2) Using the LMS (Learning Management System) method which is a software for documenting, reporting, and delivery in tutoring that is provided for students and educators, (3) Supervision of learning towards students can be done manually such as: if there are questions in the form of essays then the value is assessed manually not automatically.
Supervisi Profesionalitas Guru di Masa Pandemi Corona
Authors: Mazaya Faniyatul
Published: February 2022

Educational supervision can be interpreted as a science that studies how to supervise human resources involved in the world of education (teachers) to work in accordance with the objectives of the school, educational supervision is carried out by educational supervisors. Corona pandemic requires teachers to be able to conduct learning even though they are not face to face. This is felt to be difficult because of the many limitations possessed by both teachers, students, and concerning the lack of existing infrastructure. One effort to control the course of distance learning is to supervise teacher professionalism. The research method used is qualitative with the type of literature study. The results of the study show that first, education supervision is absolutely necessary to find out the quality of learning and all forms of administration. Secondly, supervision of the professionalism of teachers in the pademi corona period is also important and even mandatory. It aims to determine the performance of teachers in conducting a series of distance learning. As a teacher it is necessary to carry out their duties and obligations under any conditions, including conditions that require distance learning. Third, supervision of the professionalism of teachers during the corona pandemic can be done through several stages : the planning stage, the implementation phase, the evaluation stage, the evaluation stage, and the improvement phase.
Lima, Una mirada
Authors: Carrillo Fidel
Published: February 2022

Sobre las faldas de un castillo de colores personas se deslizan cuesta abajo. Detrás de este palacio para jugar, saturado y radiante, está el cerro San Cristóbal. El juego inflable parece haberse tragado todo el color del mundo; detrás de él, el paisaje es gris, como siempre hemos creído que es Lima.
Las luces de la historia
Authors: Cáceres Álvarez Luis
Published: February 2022

El libro fotográfico Los Peruanos, de Carlos Domínguez, es una pieza clave de la historia del fotoperiodismo en el Perú. Su contenido es doblemente importante, como una mirada cercana a los acontecimientos y personajes trascendentales de finales del s. XX, y como una obra gráfica elaborada a partir de la narrativa visual, generando, con sus imágenes, un discurso sobre lo peruano.
Las pioneras
Authors: Estremadoyro Elsa
Published: February 2022

A poco de cumplirse cincuenta años de la publicación de la primera fotografía realizada por una mujer en un medio de prensa peruano, dentro de un contexto de reconocimiento hacia el rol de la mujer en todos sus ámbitos, la fotografía de prensa en el Perú tiene historias que contar.
Fotoprotesta
Authors: Yalán-Dongo Eduardo
Published: February 2022

El presente ensayo tiene como objetivo reflexionar sobre del rol de la fotoprotesta como vehículo para el cambio social a partir del contexto de los recientes conflictos sociales registrados en Latinoamérica y desde luego, en el Perú.
Héroes del bicentenario
Authors: Krajnik Baquerizo Franz
Published: February 2022

En noviembre de 2020, miles de jóvenes salieron a las calles para manifestarse en contra de la designación de Manuel Merino de Lama como Presidente del Perú.
Ríos voladores
Authors: Guerra María Isabel
Published: February 2022

NACÍ Y ME CRIÉ EN LA BRUMOSA LIMA, EN LA DESÉRTICA COSTA PERUANA, DONDE LA LLUVIA ES SÓLO UNA LIGERA LLOVIZNA. DONDE CADA INVIERNO ANUNCIA QUE NO HABRÁ CIELO AZUL AL MENOS POR TRES MESES.
Apuntes para construir un método analítico desde el feminismo jurídico queer
Authors: Sánchez-Moreno Manuel
Published: February 2022

Los feminismos llegan a los derechos humanos para decir que la igualdad y la universalidad se ha construido dejando fuera a determinados sujetos, como las mujeres o la diversidad afectivo-sexual. La teoría crítica también ensancha los derechos y los sujetos, en el marco de las luchas sociales. Todo ello arroja nueva luz, para cuestionar primeramente la construcción del derecho y, posteriormente construir e interpretar leyes considerando a toda la humanidad. Las identidades previamente excluidas reclaman ahora una presencia mayor y unas experiencias infrarrepresentadas. Los feminismos han descubierto que el derecho es un ámbito del heterocispatriarcado y que la ley y su interpretación debe contemplar experiencias de personas tradicionalmente excluidas. Desarrollan herramientas para demostrar su desprotección e invisibilización ante el derecho. Partiendo de las propuestas teóricas feministas y de una evolución de la normativa se analizan las principales causas de este sesgo legal como la forclusión o el fundacionalismo. También se retomarán elementos que consideramos clave para huir de un análisis esencialista, como la interseccionalidad, la inclusión de las personas LGTBIQA+ o las manifestaciones del sexismo. Finalmente se propondrá una metodología desde el feminismo jurídico queer que sea un punto de partida para analizar, interpretar y formular textos normativos sensibles a género. Seguiremos estudios de Iris Young, Martha Nussbaum, Catharine Mackinnon, Nancy Fraser, Margrit Eichler o Alda Facio.
¿Contribuye la estancia en casas de acogida al proceso de empoderamiento de las mujeres víctimas de violencia de género?
Authors: Lucas Arranz Miriam , Hurtado Villanueva Soledad , Paz Sanz Desirée
Published: February 2022

Este artículo pretende reflexionar acerca del actual funcionamiento del sistema de protección a las víctimas de violencia de género, más concretamente respecto a los recursos residenciales de protección.Se ha realizado un estudio cualitativo mediante entrevistas a 18 profesionales, analizando su valoración de la intervención psicosocial con mujeres en estos recursos desde el enfoque del empowerment, partiendo de la base de que la mayoría de las propuestas de intervención terapéutica con mujeres víctimas de violencia de género contempla el empoderamiento como objetivo.El 100% de las entrevistadas coincide en que estos recursos cumplen la función de protección, pero un 88,8% considera que la estancia en casas de acogida no empodera a las mujeres por diversos motivos. Entre los argumentos señalados están los siguientes: se trabaja desde un enfoque meramente asistencialista, la normativa estricta y el control que se ejerce desde la institución sobre las actuaciones de estas mujeres en el día a día genera dificultades y limita su independencia y autonomía, existe una falta de intimidad derivada del propio diseño de estos recursos comunitarios, la temporalidad de la estancia, que se considera insuficiente, condiciona la intervención, y el hecho base del que partimos, es decir, que sea la mujer quientenga que refugiarse y esconderse.
Groves, Tamar y González-Pérez, Alicia (Eds.). Women and knowledge. From the challenges of the past to empowerment for the future
Authors: Soriano Moreno Silvia
Published: February 2022

Este artículo reseña: Groves, Tamar y González-Pérez, Alicia (Eds.). Women and knowledge. From the challenges of the past to empowerment for the future. Roma: Aracne, 2018. 138 pp. ISBN: 978-88-255-1084-3.
Negociaciones en la producción social de un espacio público. Colonias populares de San Luis Potosí, México
Authors: González Lugo Jonathan Hammurabi , Pérez Barragán Martha Yolanda
Published: February 2022

Una de las necesidades vitales de todo ser humano es socializar, por ello las ciudades deberían ofrecer a todo habitante espacios para el encuentro y la convivencia. No obstante, en algunas colonias como lo son las populares se carece de áreas que respondan a esta necesidad, lo que propicia que los habitantes encuentren áreas en desuso y mediante negociaciones las habiliten y utilicen para realizar actividades de tipo social creando sus propios lugares de encuentro. Si embargo, es evidente que no todos tenemos las mismas formas de convivir y relacionarnos, razón por la cual para coexistir en estos lugares se realizan acuerdos, que les permite con el tiempo establecer formas para llevar a cabo una practica social en armonía. La investigación logró indagar los mecanismos en que se organizan estos grupos de personas mediante la observación directa; los datos obtenidos nos permiten comprender la vitalidad y permanencia que estos lugares han logrado. Este trabajo expone algunas negociaciones y formas de organización de lugares para la socialización, el deporte y el encuentro creados por las personas; grupos sociales que habitan en diversas colonias populares de San Luis, las cuales se han mantenido por varias décadas con mucha vitalidad.
Impact of Postoperative Radiotherapy on Overall Survival in Patients with pN1 Non-Small Cell Lung Cancer
Authors: Solodkiy V. A. , Sotnikov V. M. , Chkhikvadze V. D. , Nudnov N. V. , Trotsenko S. D.
Published: February 2022

Objective: to comparatively analyze overall survival (OS) in patients with non-small cell lung cancer (NSCLC) with affected lymph nodes (pN1) of the lung root after surgical and combination treatment with postoperative radiotherapy (PORT). Subjects and methods. OS was studied in 310 patients with grade 2-3 NSCLC. (pT1a-4N1M0): in 101 patients after lobectomy/bilobectomy, pulmonectomy with ipsilateral mediastinal lymphadenectomy and in 209 patients after combination treatment with the similar surgical volume and hypofractionated PORT (a single focal dose (SFD) of 3 Gy; 5 fractions per week, a cumulative focal dose (CFD) of 36-39 Gy (43.2-46.8 Gy-eq)) or classical fractionation (SFD2 Gy, 5 fractions per week, CFD44 Gy). An analysis was carried out in the groups of patients younger and older than 60 years with central or peripheral cancer, squamous cell carcinoma or adenocarcinoma, with different tumor grading according to the T criterion (T1-4). Results. PORT in radically operated patients with NSCLC increased 5- and 10-year OS rates only in central squamous cell lung cancer (56.1% and 39.5% vs.25.4% and 4.3%, p = 0.002). This group receiving combination therapy showed a statistically significant increasing trend in 5-year OS rates for both pT1-2 tumors (57.5% vs. 21.3%, respectively, p = 0.013) and pT3-4 tumors (53.9% versus 26.0%; p = 0.044), so did patients younger than 61 years (65.5% vs.29.4%, p = 0.008) and those over 60 years old (47.5% vs.21.3%, p = 0.047). Patients with peripheral squamous cell carcinoma or lung adenocarcinoma at any site exhibited no statistically significant increase in OS after PORT. In general, the 5- and 10-year OS rates in the compared groups were statistically significantly higher in the PORT group (47.9% and 28.9% vs. 27.1% and 11.4, p = 0.006). None of the analyzed subgroups showed a decrease in OS after PORT. Conclusion. In patients with pN1 NSCLC who had radical surgery via lobectomy/bilobectomy or pulmonectomy with ipsilateral mediastinal lymphadenectomy, PORT can be recommended only for those with central squamous cell carcinoma, regardless of tumor size and age group. In other subgroups of patients with pN1 NSCLC, PORT can only be performed within the scientific protocols. The expediency of PORT after bilateral mediastinal lymph node dissection needs to be investigated.
Impact of Emphysema Subtypes and Volume on Lung Ventilation and Gas Exchange Functions as Evidenced by Computed Tomography
Authors: Griva N. A. , Gavrilov P. V. , Nikitina I. A. , Kiryukhina L. D. , Narkevich A. N. , Sokolovich E. G.
Published: February 2022

Objective: to characterize the relationship between the subtype and volume of pulmonary emphysema on the indicators of lung ventilation and gas exchange functions. Material and methods. The data of radiation and functional studies were analyzed in 50 patients. The inclusion criteria were chronic obstructive pulmonary disease and emphysema, which had been diagnosed by computed tomography (CT) and confirmed by two radiologists; comprehensive pulmonary function studies, including spirometry and body plethysmography, were performed; diffusion capacity was measured using a single-breath method, involving inhalation of carbon monoxide, and a breath hold. Patients with primary pulmonary emphysema, any history of pulmonary surgery, and emphysema concurrent with other lung X-ray syndromes (consolidation, cavity) were excluded. CT was performed with a 1-mm thick slice and standard scanning parameters on Toshiba tomographs (Japan). Pulmonary function was tested using a MasterScreen Body Diffusion expert diagnostic unit (VIASYS Healthcare, Germany) in accordance with the criteria for correct pulmonary functional tests proposed by a joint group of experts from the American Thoracic Society and the European Respiratory Society. Volumetric analysis of emphysema was performed using the Lung Volume Analysis software package (Toshiba, Japan). In the study, there was a predominance of male patients (n = 42 (84%)), mainly in the 61-70 age group. Results. The isolated type of emphysema was rare: centrilobular and paraseptal emphysemas were seen in 3 (6%) and 2 (4%) patients, respectively. The mixed type of emphysema was detected in 90% of cases; 33 (66%) patients having a predominant centrilobular component constituted a large proportion. It was determined that as the volume of emphysema increased, the patency of the airways worsened, the static pulmonary volumes increased, the lungs were hyperinflated, pulmonary gas exchange worsened, the bronchial resistance slightly increased during calm breathing. No statistically significant results were found from the point of view of correlations between the volume of emphysema and other parameters of pulmonary function. Conclusion. An increase in the volume of emphysema deteriorates pulmonary function; the greatest contribution to the overall picture is made by the patients with a mixed type of emphysema with a predominance of the centrilobular component.