bluuebunny/crossref_metadata_2025 huggingface dataset:
Synthesis and characterizations of magnetite–borogypsum for radiation shielding
Authors: Çelen Yonca Yahşi , Evcin Atilla
Published: July 2020

Nowadays, parallel to the increasing use of nuclear technology, radiation protection becomes an important issue. The use of materials, such as (Pb) lead, has become standard for protection from radiation. Improving the radiation attenuation properties of new types of materials has become more essential. In this study, the shielding properties of panels containing boron (B) waste (borogypsum) that were produced with different iron (Fe) mineral additives were studied. The attenuation properties of two types of panels produced by using magnetite and borogypsum against gamma radiation were investigated. It was found that gamma radiation protection decreases as the borogypsum contribution to the magnetite panel mixture increases. At the same time, it was observed that the linear attenuation coefficient and water absorption decrease due to the increase in borogypsum additive and sintering temperature inside the panels.
Tunnel–framed building interaction: comparison between raft and separate footing foundations
Authors: Xu Jingmin , Franza Andrea , Marshall Alec M. , Losacco Nunzio , Boldini Daniela
Published: July 2020

In this paper, the influence of the foundation configuration (raft or separate footings) on tunnel–soil–framed building interaction is investigated using geotechnical centrifuge testing. Tunnelling-induced soil movements and deformation fields, framed building displacements and structure shear distortions (with associated modification factors) are illustrated. Framed building stiffness and footing bearing capacity are also evaluated experimentally. Results show that the foundation configuration plays an important role in determining the ground response to tunnelling, affecting soil displacement fields, as well as the distribution of soil shear and volumetric strains. In particular, foundation settlements and differential horizontal displacements are larger for separate footings compared to raft foundations. The effects of building width, weight and eccentricity (with respect to the tunnel) on foundation settlements and structural distortions are quantified for separate footings and contrasted against results for raft foundations. The modification factor of the maximum building shear distortion is linked to the relative soil–building shear stiffness; interestingly, for buildings with similar values of relative stiffness, the level of shear distortion within framed buildings is lower for separate footings than rafts.
Farklı Dönemlerde Mimaride Kullanılan Cam Binalar ve Yapısal Özellikleri
Authors: SAĞLIYAN SÖNMEZ Özlem , ÇETİN Suna
Published: July 2020

19. yy’dan günümüze kadar geçen zaman içerisinde, geniş olanak yelpazesine sahip mimari yapılar,  cam duvarların da kullanılmasıyla hafif, şeffaf ve havadar görüntülü yapıların gelişmesine olanak sunmuştur. Cam üzerinde yapılan teknolojik çalışmalar ve bunun sonucundaki olumlu gelişmeler mimarlar için camı daha çekici bir malzeme yapmıştır. Özellikle çelik ve camın mimari yapılarda birleşmesi saydamlık ve hafiflik yolunu açarak bu alanda yeni gelişmeler sağlamıştır. Görünen o ki camın gelişmeye açık bir malzeme olduğu gün geçtikçe daha çok kabul edilmekte ve cam mimari artık strüktürel olarak da yer almaktadır. Bir zamanlar bir ütopyadan ibaret olan cam mimarisi günümüzde artık bir gerçek haline gelmiştir. Bu anlamda bu çalışma içerisinde 9 adet mimari yapı ele alınmış ve yapısal olarak incelenerek cam binalara örnek olarak sunulmuştur.
Evolution of Statistical Software and Quantitative Methods
Authors: LeBeau Brandon C , Aloe Ariel M
Published: July 2020

Statistical software is the enabling tool of quantitative research and the availability and use of the software can greatly shape which methods are used by researchers. Software that is more accessible is likely to have more users and the methods implemented within the software limits the methods accessible to researchers. Open source software, (e.g. R), has reduced these barriers by making cutting edge statistical methods available to researchers through add-on packages. This manuscript explores the evolution of statistical software within social science research using a research synthesis to establish the state of affairs. Software and statistical analysis keywords were searched in published manuscripts from high impact journals in five disciplines, Economics, Education, Political Science, Public Policy, and Sociology. Analysis was based on research synthesis methods. Implications for open science and reproducibility are discussed.
COMPARATION OF RUBBER MILLING PROCESS TO PRODUCE NATURAL RUBBER COUMPOUNDS USING MODIFIED AND UNMODIFIED LOCAL CLAY FILLER
Authors: Hasan Abu , Aznury Martha , Purnamasari Indah , Zaman Muhammad , Junaidi Robert , Rahmaniar Rahmaniar
Published: July 2020

COMPARISON OF RUBBER MILLING PROCESS TO PRODUCE NATURAL RUBBER COMPOUNDS USING MODIFIED AND UNMODIFIED LOCAL CLAY FILLER. Many researchers have studied the effect of modified clay as filler on rubber compounds for both natural rubber and synthetic rubber. Various chemicals are used as clay modifiers. In the rubber milling process, modified clay is directly used as filler after pretreatment with clay modifier. However, clay modifiers can also be milled together with original clay during the rubber mastication and milling process. Thus both of these methods certainly produce different physical properties, so the comparison of the two rubber milling processes is the focus of this research. The analysis of the curing characteristics and physical properties of vulcanized natural rubber was carried out with a rheometer and physical properties test units. Thermal analysis was carried out using TG/DTA and dispersion of filler on the rubber compound was analyzed by SEM. The results of the curing characteristic of the rubber compound and the physical properties of vulcanization showed that there was an effect due to the comparison of the rubber milling process. Modified clay using JH-S69 is better than JH-S69 milled with original clay and vice versa occurs in PEG 4000 which is used as clay modifier. PEG 4000 which is milled together with original clay produces curing characteristic and physical properties of vulcanization better than pretreatment of clay to be modified clay. This analysis is in line with the analysis using SEM.
Physicians’ preference towards the non-evidence based hydroxychloroquine treatment for COVID-19: the pandemic effect
Authors: Correia Luis Claudio , Lopes João Ricardo Pinto , Garcez Flávia Barreto , Campion Edmond Le , Barcellos Guilherme , Barreto-Filho José Augusto
Published: July 2020

OBJECTIVE: To evaluate whether there is a "pandemic effect" promoting irrational medical reasoning. METHODS: Cross-sectional study. Setting state medical councils were asked to send all registered physicians two sequential email invitations to complete a Google Form questionnaire. Between April 15 and May 3, 2020, 370 doctors answered our questionnaire with questions about the prescription of hydroxychloroquine for COVID-19 and vitamin C for sepsis. The questionnaire had a five-point Likert scale (greater number, greater support) on the degree of propensity to prescribe the medication and a binary question (yes or no) to express the doctor's final decision to prescribe. These two questions, in the same order, were asked for scenarios of mild, moderate and severe cases. RESULTS: The propensity to prescribe hydroxychloroquine for COVID-19 increased with the severity of the clinical presentation: for mild cases, 37% (95% CI 32%-42%) of the physicians chose "yes", increasing to 68% (95% CI 63%-72%) and 89% (95% CI 85%-92%) for moderate or severe cases, respectively (Cochran's Q test: P<0.001). The medians and interquartile ranges of the Likert scales for hydroxychloroquine were 2 (1-4), 4 (2-4), 4 (4-5) in mild, moderate and severe cases of COVID-19 (Friedman test: P<0.001). CONCLUSIONS: The propensity of the Brazilian physician to prescribe hydroxychloroquine for COVID-19 is high and, according to the severity of the disease, ranged from 37 to 89%. On the contrary, the propensity to prescribe vitamin C for sepsis, a non-pandemic situation, was lower and not associated with clinical severity. Our data suggest a "pandemic effect" promoting irrationality in medical reasoning.
Audacity como herramienta para la creación de materiales educativos. Una aproximación a través del MOOC «Música para el siglo XXI»
Authors: Chao-Fernández Rocío , Vázquez-Sánchez Rubén , Felpeto-Guerrero Abraham
Published: July 2020

This article analyses the relevance of Audacity as a creation tool of learning materials for both teachers and students, since it has multiple functions and provides numerous advantages, despite its simple use. To that purpose, thanks to the creation of an specific content analysis tool based in 8 items, an study of soundscapes created by the students of the MOOC Música para el Siglo XXI is carried out with the purpose of categorize their educative aims as well as distinguish and characterize each soundscape according with the origin of their sound source in relation with the classification proposed from Schafer (1993). Thanks to the latter analysis we know that the didactic applications are within those previously catalogued, where the use of soundscapes both to elaborate musical resources as well as to create sound representations through constructions carried out by the students make a clean sweep of almost all of the 55 analyzed compositions. The study concludes with the idea that this tool gives support to multiple areas of knowledge and that its capabilities as a multitasking tool provide a wide range of perspectives applicable within areas such as pedagogy or specific didactic fields.
Construção e Validação de um Modelo de Competências Digitais para alunos da Educação a Distância no Brasil: MCompDigEAD
Authors: Araújo da Silva Ketia Kellen , Behar Patricia Alejandra , Romeu-Fontanillas Teresa , Guitert-Catasús Montse
Published: July 2020

This article deals with the construction and validation of the Model of Digital Competences in Distance Education (DE) entitled MCompDigEAD. It is an exploratory-descriptive research, with a qualitative approach carried out between 2014 and 2018 in Brazil, through three procedures. In the first, mapping and validation of digital competences with analysis and comparison between theoretical reference and case studies with DE students and specialists. In the second, construction of the model through the procedures: Conception, Planning, Modeling and Validation. In the third validation jointly, the Open University of Catalonia (OUC). As a result, we obtained a model composed of six areas: Introduction to Digital Technologies, Digital Communication, Network Information Management, Digital Health and Safety, Digital Citizenship and Presence, and Digital Content Creation and Development, divided into three digital competencies: functional digital literacy, critical digital literacy and digital fluency, fourteen specific skills detailed through knowledge, skills and attitudes (CHA) and three levels of proficiency, initial, intermediate and advanced with use case examples. MCompDigEAD is a model for the purpose of orienting and assisting learning processes in DE, serving as a reference for different institutions in educational contexts at a distance.
Fatores críticos de sucesso percebidos por estudantes na adoção de disciplinas semipresenciais em cursos presenciais
Authors: Piontkewicz Regiane , Guimarães André José Ribeiro , Freitas Maria do Carmo Duarte , Mendes Junior Ricardo
Published: July 2020

Blended learning has been a short term trend and its wide range of applications has aroused the interest of researchers. Therefore, this research aims to identify which are the critical success factors for adoption of blended learning subjects in traditional classroom courses, from the students' perspective. The investigation took place in a private Higher Education Institution, in south Brazil, through the application of questionnaires to 331 students taking courses in the blendend learning modality. The analysis was performed in a qualitative way, through content analysis, and quantitative way, with the comparison of categorical variables through calculations of the statistics of the relationship between them. The results point to the following critical success factors: first, teachers 'digital competence must be developed, as they need to be well prepared to help in the development of students' digital competence. From this, other factors become decisive, such as technology, which must have a friendly interface, be easy to navigate, promote interaction and collaborative construction of knowledge. In addition, the disciplines must be structured with the application of active learning methodologies and with the adoption of a variety of activities that have, mainly, visual stimulus. All the factors raised are interdependent and need continuous improvement.
Antioxidant potential of seminal plasma in normozoospermia and asthenozoospermia
Authors: Proskurnina E. V. , Melnikov N. A. , Dolgikh O. A. , Shtaut M. I. , Chernykh V. B.
Published: July 2020

The study objective is to evaluate the antioxidant potential of seminal plasma in normozoospermia and asthenozoospermia.

Materials and methods. Samples of ejaculate from 57 men of reproductive age were studied. Standard spermiologic examination and determination of the antioxidant potential of the seminal fluid using an original chemiluminescent method were performed. The method allowed to measure duration of the latent period from the moment of a decrease in luminescence of the solution containing reactive oxygen species (ROS) after addition of the seminal fluid until the most dramatic increase in luminescence corresponding to decreased antioxidant effect of the seminal fluid.

Results. In the samples, the latent time varies from 4.6 to 17.5 minutes. Compared with normozoospermia, the antioxidant potential is significantly lower (p = 0.05) in men with asthenozoospermia (about 1.4 times), and even lower in patients with asthenoteratozoospermia (about 1.7 times) (p = 0.03). An inverse weak correlation was found between the activity of leukocytes and latent time in pathospermia (r = –0.23 and –0.18 for asthenozoospermia и asthenoteratozoospermia, respectively). A direct strong correlation was found between ROS-producing sperm activity and latent time in normozoospermia (p = 0.79), and inverse correlation in pathospermia (r = –0.26 and –0.62 for asthenozoospermia и asthenoteratozoospermia, respectively).

Conclusion. Pathospermia is characterized by antioxidant seminal plasma deficiency, more pronounced for asthenoteratozoospermia. The antioxidant system of seminal plasma correlates with the ROS-producing ability of leukocytes and, to a greater extent, of the sperm.

 With normozoospermia, the oxidative balance is maintained, with pathospermia, a higher value of ROS production by sperm corresponds to a lower value of antioxidant capacity.
Comparison of the effectiveness of medications containing a combination of zinc and arginine for treatment of male infertility
Authors: Zhukov О. B. , Bragina E. E. , Levina A. V. , Evdokimov V. V. , Terushkin R. A. , Akramov M. M. , Shakhov A. S. , Vasilyev A. E.
Published: July 2020

The study objective is to perform clinical laboratory evaluation of the effectiveness of Prostatilen® AC and Arginine-zinc in treatment of patients with sperm pathology and concomitant varicocele and chronic nonbacterial prostatitis.

Materials and methods. The study included 60 patients between 23 and 46 years of age. The first group included 30 patients (15 patients with varicocele and 15 patients with chronic nonbacterial prostatitis) who received Prostatilen® AC. The second group included 30 patients (15 patients with varicocele and 15 patients with chronic nonbacterial prostatitis) who received Arginine-zinc. Therapy duration was 20 days. Standard clinical and laboratory examination, spermiologic examination as well as measurement of antisperm antibodies, DNA fragmentation, oxidative stress level, cryotest, electron microscopy examination of the ejaculate were performed.

Results. Five (5) days after the end of therapy, percentage of progressive motile sperm increased by 62 % in the Prostatilen® AC patient group with chronic nonbacterial prostatitis (р <0.001) compared to the baseline, and by only 10 % in the Arginine-zinc patient group. Administration of Prostatilen® AC lead to a more significant decrease of reactive oxygen intermediates in the ejaculate (р <0.001) and percentage of sperm with fragmented DNA (р <0.001) compared to administration of Arginine-zinc. The applied treatment schemes had no significant effect on the number of sperm with acrosomal hypoplasia. An anti-inflammatory effect of Prostatilen® AC was also identified (decreased number of leukocytes in sperm). During the study, 3 cases of adverse effects were registered: 1 after administration of Prostatilen® AC and 2 after administration of Arginine-zinc.

Conclusion. Prostatilen® AC can be considered more effective and safer compared to Arginine-zinc for 20-day administration. In patients with sperm pathology, it more effectively improves sperm characteristics: increases sperm motility, sperm morphology, decreases DNA fragmentation and oxidative stress levels.
Obesity as a factor in spermatogenesis disorders (experimental study)
Authors: Artamonov A. A. , Bogolyubov S. V. , Eliseeva T. I. , Pozdnyakov O. B. , Astakhova A. V.
Published: July 2020

Introduction. In recent years, the effects of obesity on male fertility have been extensively investigated. The results of existing studies are extremely contradictory.

The study objective was to determine the effect of obesity on the male reproductive system using the biological model of laboratory rats as an example.

Materials and methods. In vivo modeling of diet-induced obesity. The study was conducted on 22 laboratory sexually mature white rats weighing 140–160 g. The animals were divided into two groups: 1 control (10 animals) and 2 rats with diet-induced obesity (12 animals). After 12 weeks, the animals were removed from the experiment. All rats underwent: calculation of the Lee index (body mass index in rats), determination of the concentration and viability of spermatozoa in a suspension of sperm from the epididymis, determination of glucose level of total cholesterol and triglycerides in the blood, study of sperm DNA fragmentation, histological examination testis: calculating the crosssectional area of the seminiferous tubule; determination of the number of non-functioning tubules and tubules with desquamated spermiogenic epithelium; determination of the average spermatogenesis index.

Results. In the study groups there were no differences in glucose and total cholesterol levels. However, a statistically significant, significant difference in the level of triglycerides in the blood was revealed. The concentration of sperm and their viability in the studied groups did not differ. The level of sperm DNA fragmentation in the experimental group is significantly higher than in the control group (31.5 ± 10.1 and ± 1.4 %, respectively, p <0.05). Morphometric evaluation of histological preparations did not establish differences in the cross-sectional area of the seminiferous tubules and the average spermatogenesis index in the studied groups. In rats with obesity, compared with the control group, significantly more non-functioning tubules (2.9 ± 0.3 and 8.4 ± 0.3; p <0.05) and tubules with desquamated spermatogenic epithelium (1.8 ± 0.3 and 8.8 ± 0.5; p <0.05).

Conclusion. Diet-induced obesity causes impaired spermatogenesis, and damage to the sperm genetic material in male white rats.
Reno-iliac intrasystem anastomoses of the inferior vena cava
Authors: Kapto A. A.
Published: July 2020

The study objective is to describe the anastomoses between the left renal and iliac veins in the inferior vena cava system and to classify these anastomoses.

Materials and methods. From 2015 to 2020, 340 men with varicose veins of the pelvic organs and bilateral varicocele were examined. Delayed imaging for 10–30 s with phlebotesticulography of 157 patients allowed us to study in more detail the vascular venous x-ray anatomy of the scrotum and various options for collateral circulation.

Results. The data obtained by us during phlebography allowed us to offer our own classification of anastomoses between the left renal vein and the common iliac vein in the inferior vena cava system (reno-iliac intrasystemic anastomoses of the inferior vena cava): 1) through the vein of the vas deferens (v. ductus deferens), 2) through the cremasteric vein (v. cremasterica), 3) through the external testicular vein (v. testicularis externa). In addition to the classification, the terms for specific types of anastomoses are also proposed by us for the first time and do not have a name in the medical scientific literature. A new definition of the term “venous anastomotic node (nodus venarum anastomoticus) of the testis and its appendage” is proposed, which describes the anatomical relationship between the 4 veins: the internal testicular vein, external testicular vein, vena cremasterica and veins of the vas deferens. A new term is proposed “pseudo-varicocele” that defines the compensatory expansion of the internal testicular vein during normal antegrade blood flow through it.

Conclusion. In this work, we give an X-ray anatomical description of the development of various types of collateral circulation in the system of the inferior vena cava between the left renal vein and iliac vessels in various types of arteriovenous conflicts of both the upper (nutcracker syndrome, posterior nutcracker syndrome) and the lower level (May–Thurner syndrome).
Micronutrient deficiency in men with infertility
Authors: Tsukanov A. Yu. , Turchaninov D. V. , Satybaldin D. A. , Yunatskaya T. A. , Sokolov K. N.
Published: July 2020

The study objective is to compare the level of micronutrients in men with infertility and men with normal fertility.

 Materials and methods. The levels of А, В9, D, Е, С vitamins in blood using high-performance liquid chromatography and selenium and zinc in hair using atomic absorption mass-spectrometry were measured in men with diagnosis of male idiopathic infertility (n = 82) and men with normal fertility (n = 93).

Conclusion. Absence of a total lack of micronutrient deficiency in men with infertility was observed. Presumably, azoospermia can be associated with deficiency in some micronutrients casting doubt on the necessity of administration of multicomponent vitamin and mineral complexes.

Results. Blood levels of А, D and В9 vitamins did not significantly differ in the studied groups, while differences in blood levels of С and Е vitamins and selenium and zinc in hair were statistically significant. While the levels of А, Е, В9 vitamins, selenium and zinc were in the reference ranges, vitamin C deficiency was observed in the test group and vitamin D deficiency in both groups. Higher level of selenium in the test group presumably reflects its higher metabolism due to higher influx of xenobiotics in the organism and indicates pre-deficiency state.
Experience in post-traumatic venous malformation of urethra spongy body treatment
Authors: Demin N. V. , Ladygina Е. A. , Kadyrov Z. A.
Published: July 2020

The study objective is to present a clinical observation of a 17-year-old boy with post-traumatic venous malformation of the spongy urethra. Clinical case. The patient was hospitalized in an urgent order with complaints of urethrorrhagia. Medical history showed that the first episode of urethrorrhagia happened at 3 years of age and could be caused by a self-injury of the urethra due to mentally traumatic events in the family. After catheterization of the bladder, urethral bleeding stopped, but in the early morning blood seeped past the catheter. Urethroscopy showed an area of modified urethra distally from the penoscrotal junction in the form of pockets with partitions of scar tissue 3 × 1 cm in size that we considered a post-traumatic abnormality. Ultrasound of the corpus spongiosum and magnetic resonance imaging of the genitals didn’t provide additional information. Repeat urethroscopy performed during erection allowed to visualize pathologically dilated vessels bulging into the urethral lumen which were the source of bleeding. Spongiosography allowed to visualize a pathological vascular tree. Diagnosis of post-traumatic venous malformation of the spongy urethra was made. The pathological area was resected with preservation of the fibrous tunic of the corpus spongiosum. The defect was substituted by a flap of the inner preputial leaf. Follow-up observation lasted for 1 year with no urethrorrhagia episodes, the patient didn’t experience any discomfort during sex or micturition.

Conclusion. Due to the rarity of this pathology and complexity of diagnosis, the whole spectrum of diagnostic methods should be applied, with urethrocystoscopy and spongiosography being the most informative. Selection of treatment method depends on many factors. If the malformation is located near the urethra, electrocoagulation and angioembolization are ineffective. Resection of the venous malformation within normal tissue and substitution urethroplasty with preputial flap allowed to achieve good clinical and functional result.
DISCRETION OF INSTITUTIONS
Authors: Neimanis Janis
Published: July 2020

The article considers discretion enjoyed by institutions. Discretion enjoyed by institutions implies that law grants а right to choose between various legal implications for the person who applies the law. Discretion is а legislative tool which helps achieve а high level of fairness in an individual case. Discretion of institutions provided by lawmakers enables an institution to consider the specific circumstances of а specific situation and reach а fairer result. However, even such “freedom” imposes an obligation on the institution to apply it in а responsible and correct manner. Discretion does not mean that the institution is granted absolute “freedom” or arbitrariness. The scope of control of discretion in а higher institution and а court differs. А higher institution independently carries out all feasibility assessments for а second time based on merit, ultimately reaching а similar or different result. The courts can verify the validity of the activities undertaken by the public administration: a) failure to use discretion; b) abuse of discretion; c) misuse of discretion. The courts do not have the right to take а decision on the most appropriate result since it leads to violation of the principle of separation of powers.
“THE RUSSIAN WORLD” ON THE BUDVA RIVIERA: TOURISM AND FOREIGN POLICY PROCESS IN THE MONTENEGRO
Authors: Parfinenko A.
Published: July 2020

The article is devoted to the study of the role and place of tourism in the transformation of the foreign policy course of post-Yugoslavian Montenegro. The focus is on the impact of Russian tourism on key directions and foreign policy problems of the country. The work is based on the concept of transnationalism. Within this approach, global tourist flows are considered as a kind of transnational social space, in which the tourist is always an actor, performing various social actions related to interaction with the different environment. The publication reveals a historical retrospective of geopolitical presence of Russia in the Western Balkans. The cultural, investment and tourism components of Russia's influence on the social and political life of post-Yugoslavian Montenegro are highlighted. Principal indicators of tourism development in the country, the contribution of Russian tourism to the total volume of international tourist arrivals are investigated. Significant politicization of the tourist process in Montenegro is claimed. In mono-dependent on international tourism economy of Montenegro, tourism has influenced the politically-motivated rethinking of the traditions of relations with Serbia, Russia and the West. It has become a factor in the electoral struggle in the society and affected the transformation of Montenegro's geopolitical landmarks. The publication analyzes Russia's attempts to destabilize the country's political situation in the context of its accession to NATO. First of all, by exploiting Montenegro's dependence on Russian investment and tourist flows, the application of information warfare technologies. Culture and tourism are said to be an important component of the new concept of sovereignty, where demonstration of openness and a new European identity have underpinned Montenegro's geopolitical transformation – from the Balkans to the country that has come close to the EU. At the same time, Montenegro's example reflects the increasing political and economic importance of tourism in the world political processes and ensuring international political interaction.
THE ROLE OF INNOVATION CLUSTERS IN BUILDING UP INVESTMENT AND INNOVATION STRATEGIES IN THE CROSSBORDER COOPERATION CONTEXT
Authors: Reznikova Nataliia , Rubtsova Maryna , Yatsenko Olha
Published: July 2020

Innovation clusters are analyzed in the article from the perspective of cross-border cooperation of regions. Types of clusters are highlighted, capable of adapting to cross -border cooperation, which enables to identify and outline the instruments of economic policy, capable to stimulate deepening of innovation processes in cross -border regions. Specialization and specifics of gaining competitiveness through promoting new comparative advantages are defined as the determining criteria for distinguishing the notions of “cross-border cluster in the conditions of cross -border cooperation” and “cross -border innovative cluster”. The innovative cluster’s role is analyzed in terms of its being a promoter of creating the innovation ecosystem as a highly coordinated system of dynamics interlinks between economic agents and institutes, resulting in the innovation activity, commercial success of projects and technological modernization of the structure of national economies, which effectiveness is conditional on the conformity of the institutional environment with the needs of R&D, education and business, and with the latter’s capability to build the closed loop innovation cycle. The determinants of gravity of regional entities, the dominant principles of cross -border cooperation, the determinants of effectiveness and ineffectiveness of cross -border cooperation of border regions are defined; the multi-category approach to assessment of the cross -border potential is given. The potential of customs tariff and fiscal regulation in stimulating the innovation activity in the conditions of cross -border cooperation is highlighted. The controversial character of “border” is identified from the perspective of opportunities and threats for innovation activities, generated by it. Cross-border cooperation is identified as a trigger for implementation of technological projects and innovationdriven productions.
OS DESAFIOS ENFRENTADOS POR GESTORES ESCOLARES PARA ALCANÇAR METAS E INDICADORES NA EDUCAÇÃO BÁSICA
Authors: Magni Leticia Viana , Camargo Yasmin Natacha
Published: July 2020

Este estudo tem como objetivo geral fazer um levantamento bibliográfico das produções acadêmicas, em formato de teses ou dissertações, sobre os desafios enfrentados por gestores escolares no alcance de metas e indicadores da Educação Básica. Para tanto foi realizada uma revisão de literatura com levantamento de teses e dissertações, publicadas entre os anos de 2005 e 2018, na base de dados Biblioteca Digital Brasileira de Teses e Dissertações (BDTD) e no portal da Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), trazendo subsídios para que se pudesse entender sobre o que já foi pesquisado sobre o tema. A pesquisa caracterizou-se como de abordagem qualitativa. Nesse sentido, ao final deste estudo constatamos que os gestores possuem como desafio diário a sua atuação como líder, sendo necessária articulação do tempo do corpo escolar para melhoria do planejamento educacional, a busca pelo engajamento da família no processo de ensino e aprendizagem e a articulação dos professores em busca da qualidade e da melhoria de desempenho dos alunos, fazendo-os entender que a escola é corresponsável pelos resultados pessoais de cada aluno. A gestão democrática foi evidenciada como um dos melhores caminhos a serem seguidos pelo gestor escolar, já que abrange a articulação com alunos, corpo escolar, família e comunidade.
DESAFIANDO A VISÃO HEGEMÔNICA EM ESTUDOS ORGANIZACIONAIS: CONTRIBUIÇÕES DAS COMUNIDADES TRADICIONAIS DE FAXINAIS
Authors: Hocayen-da-Silva Antônio João
Published: July 2020

O presente estudo teve como propósito discutir as contribuições das Comunidades Tradicionais de Faxinais para a área de Estudos Organizacionais em Administração. Para tanto, assume-se, neste ensaio teórico, a necessidade de rompimento com o pensamento científico alinhado à perspectiva hegemônica do modelo de gestão dominante. Pensamento cujos pressupostos impõem limites às riquezas sociais e culturais, advindas da multiplicidade de saberes e práticas tradicionais singulares, recorrentes nos contextos dos fenômenos substantivos de comunidades, na medida em que defendem a generalização de ideias e pensamentos, direcionados à manutenção de sua lógica utilitarista. Diante das reflexões apresentadas, entende-se que as investigações acerca de Comunidades Tradicionais, rurais ou urbanas, características do campo de Estudos de Comunidades, representam fenômenos sociais possíveis e relevantes, para compor o rol de fenômenos sociais de análise a disposição de pesquisadores, críticos ou não, no campo de Estudos Organizacionais. Fenômeno que, em função das características constituintes, tendo a lógica substantiva como guia, torna-se foco de estudos interessados no rompimento do pensamento científico dominante, reflexo da lógica instituída pela Sociedade Moderna.
PADRÃO DE ESPECIALIZAÇÃO E COMPETITIVIDADE INTERNACIONAL BRASILEIRO ENTRE 2007 E 2017
Authors: Silva Valdenya Pereira da , Schmidt Filho Ricardo
Published: July 2020

A tecnologia e a inovação se tornaram indispensáveis para o sucesso econômico, uma vez que se configuram como variáveis fundamentais ao processo de crescimento e de desenvolvimento econômico dos países. Partindo desta ideia, objetiva-se avaliar a estrutura das exportações brasileiras de acordo com o seu perfil tecnológico e de demanda, através da taxonomia tecnológica desenvolvida por Lall (2000), para o período 2007-2017. Utiliza-se uma base teórica Estruturalista/Schumpeteriana, que afirma que o que cada país produz e, consequentemente, exporta é importante para se alcançar dinamismo tecnológico, aumento de produtividade e de renda. Para se atingir os objetivos propostos foram calculados três indicadores do comércio internacional, o Market-Share (MS), o Índice de Vantagens Comparativas Reveladas (IVCR) e o Índice de Contribuição ao Saldo (CS), e para se examinar o desempenho exportador brasileiro, se fez uso da Matriz de Competitividade, desenvolvida pela CEPAL. Os resultados dos indicadores apontam que os únicos setores que possuem i) participação de mercado maior do que a média geral do Brasil; ii) vantagens comparativas reveladas; e iii) contribuição ao saldo da balança comercial positivo, em todos os anos em estudo, são os Produtos Primários (PP) e Baseados em Recursos Naturais (RB1 e RB2). Com isto, pode-se constatar que a inserção comercial do Brasil no mercado mundial continua vulnerável, se concentrando fundamentalmente em produtos de origem primária, pouco complexos, de baixo valor agregado e com baixo conteúdo inovativo.
OS PREGÕES ELETRÔNICOS EM UMA INSTITUIÇÃO DE ENSINO SUPERIOR
Authors: Jarosezwski João Carlos Prerniska , Alves Joice Gaspary , Pinto Nelson Guilherme Machado
Published: July 2020

Em tempos de contenção de gastos na esfera pública, como o que se vive atualmente com o estabelecimento do teto de gastos para várias áreas da administração pública, se faz necessário obter uma maior eficiência e eficácia nos gastos com o dinheiro público. Com isso, aspectos de governança pública, nesse caso aplicadas às licitações, devem ser considerados como estratégicas para cada órgão público. Esse trabalho buscou fazer um levantamento sobre aspectos de governança pública nos pregões eletrônicos que não obtiveram sucesso no Campus Dom Pedrito da Universidade Federal do Pampa, no período de 2015 a 2017. Dessa forma, esse trabalho fez uma análise qualitativa, realizada através de consulta e análise documental das atas desses certames, relacionando os motivos de frustração nesses processos e a governança pública. A partir disso, investigaram-se os motivos dos itens terem sido fracassados. O motivo que se mostrou mais significante, representando 75% dos itens, demonstra que os licitantes ofertaram os lances acima do preço estimado. Tendo em vista que os pregões eletrônicos são a forma mais econômica de realizar um certame, destaca-se o resultado desse trabalho, para fins de governança, que se faz necessária uma revisão na metodologia do orçamento, bem como mantê-lo atualizado no processo de compra.
ESTIMATIVA DO PRODUTO INTERNO BRUTO DO AGRONEGÓCIO E SUA RELAÇÃO COM RENDA PER CAPITA EM 190 PAÍSES
Authors: Amarante Renan Lima , Sesso Filho Umberto Antonio
Published: July 2020

O objetivo do estudo foi estimar o Produto Interno Bruto (PIB) do Agronegócio para 190 países dividido em quatro agregados (insumos, agropecuária, indústria e serviços) e testar a relação dos valores com a renda per capita. A metodologia é baseada na matriz de insumo-produto e a base de dados utilizada foi o Eora Global Supply Chain Database e do Banco Mundial para o ano 2015. Os resultados mostraram que o Agronegócio participava com 17% do Produto Interno Bruto mundial e os maiores valores absolutos pertenciam a China, Estados Unidos, Índia, Japão e Brasil. Considerando as cinquenta maiores economias do mundo, os maiores valores percentuais do Agronegócio no PIB total foram obtidos para Indonésia (39%), Índia (38%), Turquia (36%), China (27%), Argentina (24%) e Polônia (24%). O Brasil apresentou 22% de participação do PIB do Agronegócio na economia do país. O aumento da renda per capita dos países leva à diminuição da participação do agronegócio na economia e a modificação da estrutura de distribuição de valor dos agregados com o aumento da participação da indústria e serviços.
Edebi Çeviri ve Çeviri Eleştirisi: Karşılaştırmalı Bir Çalışma
Authors: ARABACIOĞLU Behiye
Published: July 2020

Çeviri eylemi tarihsel olarak bakıldığında Yunan-Roma Antik dönemine kadar uzanmaktadır. Somut olarak çevirilere ilk bu dönemde rastlanılmıştır. Daha sonraki dönemlerde de etkisini daima hissettirmiştir. Çeviri kadar çevirmenin ve çeviri eleştirisinin de önemi büyüktür. Zamanla nitelikli çeviri ve çevirmen ihtiyacı doğmuştur ve üniversitelerde Mütercim-Tercümanlık bölümleri açılmıştır. Amaç, piyasa çevirisi bakış açısını değil, akademik çeviri bakış açısını ortaya koymaktı. Derste yapılan çevirilerin ele alınmasının ve üzerinde tartışılmasının amacı, henüz bu işin başında olan genç kesim ile profesyonel çeviri yapanların aralarındaki farkı ortaya koyabilmektir. Nitel bir araştırma olan çalışmanın amacı durum çalışması olarak desenlenmiştir. Hedef dilde yazılmış bir eserden seçilen cümle ve paragrafların çevirisi derste öğrenciye yaptırılmıştır ve bu çeviriler veri olarak toplanmıştır. Verilerin analizi sürecinde içerik analizi yönteminden yararlanılmıştır. Öğrencilerin yaptıkları çeviriler birbiriyle karşılaştırılmıştır. Hataları ve seçimleri üzerinde durulmuştur. Farklılıkların nereden kaynaklanabileceği tartışılmıştır. Çalışmanın sonuç bölümünde çeviri ve çevirmenin önemine tekrar değinilerek, çeviri derslerinde öğrenciye nasıl daha fazla katkı sağlanabileceği tartışılmıştır.
L’Utilisation des Comptines dans L’Apprentissage Précoce d’Une Langue Étrangère: Exemples d’Exploitation
Authors: YILMAZ GÜNGÖR Zühre
Published: July 2020

De nos jours, nombreuses études affirment la nécessité de l’apprentissage précoce des langues étrangères. Par le biais d’un enseignement d’une langue dès l’âge précoce développe l’agilité et la flexibilité de la pensée, la capacité d’écoute, l’interaction sociale et la confiance en soi chez l’enfant. En plus, cela favorise la sensibilité culturelle chez les enfants. L’intérêt de cette étude théorique est de donner des informations sur les comptines qui s’utilisent souvent dans le cadre de l’enseignement des langues étrangères aux enfants. Dans ce travail, d’abord, nous abordons l’apprentissage précoce d’une langue étrangère et l’utilisation des comptines dans les classes de langue. Ensuite, nous citons brièvement les caractéristiques et les types des comptines ainsi que leurs rôles dans l’apprentissage de la langue étrangère. Enfin, pour donner une idée aux chercheurs et aux enseignants de la langue étrangère qui s’intéressent aux comptines et désirent les utiliser en salle de classe dans le but de motiver leurs apprenants, nous mettons à leur disposition un exemple d’exploitation à utiliser avec les enfants ainsi que les adultes apprenant le français comme la langue étrangère. La première comptine s’adresse aux enfants à partir de 7 ans et qui savent lire et écrire. La deuxième comptine est convenable pour les enfants (5 ou 6ans) illettrés.
A cluster analysis of harmony in the McGill Billboard dataset
Authors: Shaffer Kris , Vasiete Esther , Jacquez Brandon , Davis Aaron , Escalante Diego , Hicks Calvin , McCann Joshua , Noufi Camille , Salminen Paul
Published: July 2020

We set out to perform a cluster analysis of harmonic structures (specifically, chord-to-chord transitions) in the McGill Billboard dataset, to determine whether there is evidence of multiple harmonic grammars and practices in the corpus, and if so, what the optimal division of songs, according to those harmonic grammars, is. We define optimal as providing meaningful, specific information about the harmonic practices of songs in the cluster, but being general enough to be used as a guide to songwriting and predictive listening. We test two hypotheses in our cluster analysis — first that 5–9 clusters would be optimal, based on the work of Walter Everett (2004), and second that 15 clusters would be optimal, based on a set of user-generated genre tags reported by Hendrik Schreiber (2015). We subjected the harmonic structures for each song in the corpus to a K-means cluster analysis. We conclude that the optimal clustering solution is likely to be within the 5–8 cluster range. We also propose that a map of cluster types emerging as the number of clusters increases from one to eight constitutes a greater aid to our understanding of how various harmonic practices, styles, and sub-styles comprise the McGill Billboard dataset.
Fame, Obscurity and Power Laws in Music History
Authors: Gustar Andrew
Published: July 2020

This paper investigates the processes leading to musical fame or obscurity, whether for composers, performers, or works themselves. It starts from the observation that the patterns of success, across many historical music datasets, follow a similar mathematical relationship known as a power law, often with an exponent approximately equal to two. It presents several simple models which can produce power law distributions. An examination of these models' transience characteristics suggests parallels with some historical music examples, giving clues to the ways that success and obscurity might emerge in practice and the extent to which success might be influenced by inherent musical quality. These models can be seen as manifestations of a more fundamental process resulting from the law of maximum entropy, subject to a constraint on the average value of the logarithm of the success measure. This implies that musical success is a multiplicative quality, and suggests that musical markets operate to strike a balance between familiarity (socio-cultural importance) and novelty (individual importance). The common power law exponent of two is seen to emerge as a consequence of the tendency for musical activity to be spread evenly across the log-success bands.
Commentary on Shaffer et al.: A cluster analysis of harmony in the McGill Billboard dataset
Authors: M Daniel
Published: July 2020

This short commentary on the target paper by "A cluster analysis of harmony in the McGill Billboard" by Shaffer et al. starts with observing that not all harmonic progressions that are theoretically possible are equally common. Instead, some progressions are more popular than others in popular. In fact, certain harmonic progressions are closely associated with specific styles and sub-genres and it is the aim of the target paper to provide a meaningful classification system for harmonic progression. The commentary identifies several strengths of the target paper, including a nice balance between rigorous empirical work and providing a context and interpretations that are musicologically well-informed. In its critique the commentary points to the limitations of only using harmonic bigrams (i.e. the transitions between two chords) as the empirical data and the missing link to related literature on harmonic modelling in the music information retrieval community.
Editor's Note
Authors: Shanahan Daniel , M Daniel
Published: July 2020

No abstract available.
GRAVES HASTALARINDA KARDİYOVASKÜLER RİSK FAKTÖRÜ OLARAK: MPV VE RDW
Authors: Bozkurt Erhan , Beysel Selvihan , Hafızoğlu Merve , Koca Oğuz Han , Vurmaz Ayhan , Gökaslan Serkan
Published: July 2020

AMAÇ: Bu çalışmada graves hastalarının sağlıklı kontrol grubuna göre ortalama trombosit hacmi (MPV) ve kırmızı kan hücresi dağılım genişliği (RDW) değerlerinin karşılaştırılması ve kardiyovasküler risk faktörleri ile ilişkisinin olup olmadığı amaçlandı.GEREÇ VE YÖNTEM: 50 graves hastası ve 50 sağlıklı kontrol hasta retrospektif olarak incelendi. Diabetes mellitus (DM), demir eksikliği anemisi, kronik böbrek hasarı, hipertansiyon (HT), daha önce geçirilmiş myokard infarktüsü, konjestif kalp yetmezliği, kronik inflamatuar hastalığı, malignitesi olan ve antihiperlipidemik ilaç kullanan hastalar çalışmaya dahil edilmedi. Sağlıklı kontrol grubunun başvuru anında, graves grubunun ise tanı anında henüz tedavileri başlanmadan tam kan sayımının içinde rutinde bakılan MPV ve RDW değerleri kaydedildi. Aynı zamanda her iki grubun LDL kolesterol (LDL-C), Hdl kolesterol (HDL-C), trigliserid (TG) değerleri, sigara kullanıp kullanmadığı, boy, kilo ve vücut kitle indeksleri (VKİ) dosyalarından retrospektif olarak incelendi. MPV ve RDW değerlerinin karşılaştırılması student-t testi ile, kardiyovasküler risk faktörleri ile olan ilişkisi pearson korelasyon testi ile değerlendirildi.BULGULAR: Graves hastası olup henüz ilaç tedavisi başlanmamış olan hastaların MPV değerleri ile sağlıklı kontrol grubunun MPV değerleri arasında anlamlı farklılık saptanmadı (p=0.291). İki grup arasında RDW değerlerine bakıldığında; graveslilerin RDW değerleri kontrol grubuna göre anlamlı düşük saptandı (p<0.05). Gravesli kadın hastalar ile kontrol grubundaki kadın hastalar MPV ve RDW değerleri açısından karşılaştırıldığında; kontrol grubundaki kadın hastaların MPV ve RDW değerleri gravesli kadın hastalara göre anlamlı yüksek saptandı (sırasıyla p=0.047, p=0.012). Gravesli hastalarda kardiyovasküler risk faktörlerinden sigara içimi, ileri yaş ve VKİ ile MPV, RDW değerleri arasında korelasyon saptanmadı. Gravesli grupta LDL-C ile RDW arasında korelasyon saptanmazken, LDL-C ile MPV arasında negatif korelasyon saptandı (p=0.016, r=-0.443).SONUÇ: İnflamasyonun göstergesi ve kardiyovasküler hastalık risk göstergesi olarak kabul gören MPV ve RDW değerlerininin graves hastalarında kardiyovasküler risk faktörleri ile ilişkisi saptanmamıştır.