bluuebunny/crossref_metadata_2025 huggingface dataset:
Impact of renewable energy deployment on climate change in Nigeria
Authors: Akuru Udochukwu B. , Okoro Ogbonnaya I. , Chikuni Edward
Published: June 2019

It is well known fact that the rate of industrial growth of any country is a function of the amount of energy available in that country and the extent to which this energy is utilized. The burning of fossil fuels to generate energy is a dirty process. Greenhouse gas (GHG) emissions result when fossil fuels are produced and consumed and these emissions contribute to climate change. Nigeria as a country is highly vulnerable to the impacts of climate change because its economy is mainly dependent on income generated from the production, processing, export and/or consumption of fossil fuels and its associated energy-intensive products. Hence, it is on this premise that this paper is researched to review the energy sources being used in Nigeria and investigate its impact to climate change. Findings reveal Nigeria’s over-dependence on fossil-generated energy with associated adverse environmental effects, among other things. Recommendations for the integration of renewable energy into Nigeria’s energy mix, beyond other measures, have been offered, especially with reference to the salient environmental benefits that accrue to it.
V.S. Naipaul’s Guerillas and Conspiracy Theory
Authors: EDMAN Timuçin Buğra , SEDEEQ Sara
Published: June 2019

V.S. Naipaul’s Guerillas is an exceptional form of writing, where a quintessential form of intertextuality drags the novel into a possible conspiracy theory. What is seen on the surface is not exactly what the novel extrinsically brings forward. On the surface, there is a spooky relationship where an ostracized so-called leader, Jimmy Ahmed, pushes himself into the core of a struggle. Representing the notorious power relation between occident and the orient, the scuffle between these two different poles or characters creates a mysterious outcome, which in turn becomes part of a meticulous plan that redeems the vengeance of the decolonized, or Ahmed himself. Ahmed’s evil strategy starts as a personal dilemma, but arrives at a very distant point where the initial intention becomes blurred. Therefore, this article intends to decrypt the aforementioned conspiracy theory by applying an analysis through intertextuality to see what is beyond the struggles of multiculturalism. Sometimes, such multiculturalism won’t end positively since each person will remain, at the core, what he is made of: either black or white, Muslim, Jewish or Christian, oppressor or oppressed.
Violência urbana, insegurança e turismo na ‘Cidade do sol’ (Natal/Rn/Brasil)
Authors: Barros Feitoza Betânia Maria , Costa Jean Henrique
Published: June 2019

O tema da violência e sua relação com a atividade turística é o assunto sobre o qual se debruçou a presente pesquisa cujos principais eixos foram: investigar se existe uma relação entre as áreas de maior incidência da violência homicida em Natal e os espaços de maior fluxo de turistas na cidade. Buscou-se a partir de dados secundários fazer estatisticamente um comparativo entre os espaços em que predomina a violência homicida na capital e os espaços de circulação de turistas. A análise encontrou subsídio quantitativo nos dados obtidos principalmente através da série Mapa da violência, de Waiselfisz (2000, 2010 e 2014), e em Hermes, Alves e Brandão (2015). Buscou-se ainda compreender a sensação de segurança/insegurança percebida pelos visitantes nos espaços turísticos locais, de modo a captar uma parte da dinâmica da violência urbana marcada por furtos e roubos, procedendo assim a uma pesquisa de vitimização com turistas, realizada por meio de questionários. Também através de entrevista realizada junto ao representante da deatur/Natal (Delegacia Especializada em Atendimento ao Turista), buscou-se ouvir o que o poder público tem a dizer a respeito da crescente violência na cidade e de que maneira especificamente no que diz respeito ao turista, a deatur tem enfrentado o problema. Como conclusões do estudo, a pesquisa pontuou que, de fato, os espaços pretensos ao turismo não coincidem com aqueles em que impera a violência homicida, e que a cidade privilegia determinados espaços que, voltados à demanda turística, são alvos de investimentos e políticas públicas cujo objetivo é dotá-los da infraestrutura e segurança pública.
Apropiación turística de territorios indígenas: cambios y continuidades en una comunidad Matlatzinca
Authors: González Domínguez Irais , Thomé Ortiz Humberto , Osorio González Rebeca
Published: June 2019

Durante el período 2013–2017 se desarrolló un estudio de caso con el objetivo de identificar los elementos que caracterizan las transformaciones asociadas con la apropiación turística del territorio. Para ello fueron estudiados los cambios y las continuidades en la organización ejidal de la comunidad matlatzinca de San Francisco Oxtotilpan. A partir de un enfoque sociológico y una perspectiva centrada en el actor, se observó que los factores que influyen en la transformación del territorio y la apropiación de las actividades turísticas son la organización social, los mecanismos de inclusión y exclusión, las relaciones con el ámbito externo y el aprendizaje colectivo. Los resultados muestran que la organización ejidal juega un papel preponderante en los procesos de cambio, ya que constituye un capital social de base con profundidad histórica y arraigo cultural, y al mismo tiempo representa una restricción a las transformaciones abruptas en zonas rurales involucradas en el turismo. Se concluye que el desarrollo de actividades turísticas en los territorios indígenas expresa simultáneamente procesos de continuidad y cambio en la cultura local, traducidos en ambivalencias entre la transformación socioeconómica del territorio y la reproducción de las relaciones asimétricas de poder.
Perspectivas teóricas para el abordaje de los movimientos sociales y su incorporación en el campo de la investigación en turismo
Authors: Cruz Gonzalo Matías
Published: June 2019

El presente trabajo explora la literatura producida en el campo de la investigación en turismo que incorpora perspectivas teóricas utilizadas para el abordaje de los movimientos sociales. Esta tarea permite exponer las posibilidades de desarrollo del área en cuestión y presentar instrumentos analíticos novedosos. A partir de una revisión bibliográfica exhaustive se analizan las publicaciones existentes, teniendo en cuenta objetivos, casos de estudio, unidades de análisis, resultados y, especialmente, marcos teóricos y metodológicos adoptados. Se advierte que, a pesar de la diversidad de propuestas de abordaje, se trata de un ámbito de estudio aún incipiente, cuyo desarrollo exige el examen de nuevos casos a partir de una visión que contemple las especificidades de cada problemática y las oportunidades que las distintas Corrientes de pensamiento ofrecen.
Visibilidad en línea: análisis de los hoteles de Tunja (Colombia)
Authors: Arévalo Lizarazo Guillermo Alejandro , Álvarez Burgos María Inés
Published: June 2019

El turismo es un sector intensivo en información que se ha beneficiado de los avances tecnológicos basados en internet, desde mejoras en la gestión interna hasta la ampliación de los canales de distribución y promoción. La presente investigación tiene como objetivo medir el uso de las tecnologías de información y comunicación por parte de los 75 hoteles legalmente establecidos en la ciudad de Tunja (Colombia), a partir del concepto denominado findability o “visibilidad en internet”. La hipótesis central del estudio es que menos de un 50 % de estas empresas de alojamiento son visibles en redes sociales, agencias de viajes en internet, aplicaciones de mapas, directorio empresarial y blogs más populares. La investigación concluye que el uso de medios digitales por parte del sector hotelero con el fin de lograr visibilidad es bajo para una ciudad que planea posicionarse como destino turístico importante en Colombia, pero da cuenta de la existencia de oportunidades desde la política pública y el sector privado para satisfacer esta necesidad.
Mitigating the Mindless Mouthful Through Moderation, Manipulation, and Mindfulness
Authors: Endicott Lexi , 2018 Class of
Published: June 2019

The prevalence of global obesity is increasing at an unprecedented rate. Conventional weight loss programs, though logical in theory, usually prove to be ineffective in practice. There is an increased need and urgency for healthcare professionals to develop innovative methods to combat this pernicious health condition. Embracing the concept of mindful eating is one way that individuals can improve the quality of their health and well-being. This paper highlights the definition of mindful eating, describes the consequences of mindless eating, discusses the Japanese concept of hara hachi bu, and finally offers realistic practices that individuals can adopt in order to improve their connection with food and with others.
Strategies for Enhancing Family-Professional Partnership within Schoolwide Models of Behavior Support
Authors: A. Dianis Erin , 2018 Class of
Published: June 2019

Over the course of several weeks, Strickland-Cohen and Kyzar obtained qualitative data for Positive Behavior Intervention and Supports (PBIS). Positive Behavior Support (PBS) can be defined as “an approach to behavior support that includes an ongoing process of research-based assessment, intervention, and data-based decision making focused on building social and other functional competencies, creating supportive contexts, and preventing the occurrence of problem behaviors” (Kincaid, Dunlap, Kern, Lane, Bambara, Brown, & Knoster, 201, p. 70). PBIS is the “school-based application” of PBS (Kincaid et al., 2016, p.71). One critical feature of PBIS in schools is the inclusion of family member perspectives when developing school-wide expectations and behavioral goals. However, there is a dearth of research empirically related to how to best include families within the PBIS process. In a qualitative analysis, Strickland-Cohen and Kyzar (2018) assessed parent perceptions of family-professional partnerships between teachers and parents whose student received either Tier 1 or Tier 2 PBIS supports through a series of focus group interviews. The study examined experiences and events that affect communication about student behavior between the parents and teacher(s). Participants were 28 family members from three PBIS elementary schools within one school district in the Southwest United States. Participants were asked to answer questions related to strengths and weaknesses in communication with teachers, and ideas that they wish to express to teachers about supporting appropriate behavior and addressing challenging behavior. Based on the findings of this study, as well as other studies related to PBIS, this paper synthesizes the research literature and provides evidence-based strategies that teachers can implement in their classroom to strengthen partnerships with family members.
Comparing Complex Syntax Across Popular Children's Television Shows
Authors: Burnett Madison , 2018 Class of
Published: June 2019

Studies indicate that certain television shows, such as Sesame Street and Daniel Tiger’s Neighborhood, can positively impact a child’s thinking and social skills (Mares and Pan, 2015; Rasmussen, 2016). This study considers syntactic content of popular children’s television shows to make predictions of their underlying linguistic value. Therefore, the research questions are: Does Daniel Tiger’s Neighborhood have more complex syntactic utterances than Paw Patrol? Does the number of mental state verbs used correlate with complex syntax? Results indicate that Daniel Tiger’s Neighborhood consistently uses more complex syntax and mental state verbs than Paw Patrol, and that mental state verb use does significantly correlate with complex syntax. Implications for child language learning are discussed.
Eden Zoological Garden
Authors: Wong Brooke , 2018 Class of
Published: June 2019

Brooke Wong’s project involved the marketing and branding of Eden Zoological Garden. Eden Zoological Garden is a zoo and research center that hosts animals threatened by extinction and assists in repopulating them. This was accomplished through extensive research of zoos, animal extinction, and the correct branding to appeal to a wide age range. In addition, imagery of animals in art throughout history was studied extensively in order to best pay homage to the rich foundations of animal art. The final result included branding, stationery, tickets, collateral, advertising, a website, application, map, infographic, interior design, exhibit design, and way finding.
An evaluation of school directors' and teachers' views about supervisors' communication skills
Authors: Taspinar Fatma
Published: June 2019

Effective supervision is strongly related to the communication between the supervisor and the staff in an institution. The indication that shows the attainment of supervision is directly linked with how the staff of the supervised school understands the supervisor. Therefore, supervisors should be effective communicators and have the ability to apply it. The aim of this study was to examine and compare personal views of supervisors working for the Ministry of Education in Turkish Republic of North Cyprus (TRNC) about their communication skills and how they are perceived by the directors and teachers in primary education. A qualitative research design was used in this study. It was carried out in five primary schools in Güzelyurt in TRNC and a sampling method was followed. The data were collected in the 2015–2016 academic year through a semi-structured personal view form answered by the teachers, directors, and the supervisors supervising these schools. It was noted that communication among teachers, directors and supervisors, and verbal and non-verbal communication of the supervisors were similar, whereas during the communication procedure; conceptions to do with problems in supervising problems seemed to be different among the involved. Keywords: Communication skills, communication, educational supervision, pervision,
Public-private-civil society partnership: A gateway to ensuring good governance practices of vocational education in Federal Universities in South-South, Nigeria
Authors: Edomwonyi James
Published: June 2019

This study investigates the extent to which public-private-civil society partnership (PPCSP) can help in establishing good governance practices of Vocational Education Programme in Federal Universities in South-South geopolitical region of Nigeria. Four research questions were raised and answered using the mean and standard deviations statistics, and four corresponding null hypotheses were formulated and tested using the t-test statistic. A descriptive survey research design was employed for the study. The study population comprised all vocational education lecturers in Federal Universities in South-South geopolitical region of Nigeria. A 4-point scaled questionnaire was administered on 154 vocational education lecturers. The instrument was validated by a panel of 4 experts, and the reliability coefficient using Cronbach’s alpha method was α=.90. The analysis of the data collected revealed that to a very high extent PPCSP would help in ensuring good governance practices (such as effectiveness and efficiency, transparency, accountability, and integrity), especially in the utilization of funds for the execution of projects by vocational education administrators. When the hypotheses were also tested, the study found no significant difference in the mean responses of male and female vocational education lecturers regarding the extent to which PPCSP can help in ensuring good governance practices in the use of funds for projects execution. Based on these findings, there is the need for all the major stakeholders of vocational education within and outside the country to collaborate to ensure good governance practices (specifically, effectiveness and efficiency, transparency, accountability, and integrity) in the utilization of funds for the execution of projects by vocational education administrators.
Keywords: Corruption, good governance practices, public-private-civil society partnership, vocational education;
Fundamentos Epistémicos de la Investigación Cualitativa y Cuantitativa: Consensos y Disensos
Authors: Sánchez Flores Fabio Anselmo
Published: June 2019

En el presente artículo se analizan las principales características de la investigación con enfoque cuantitativo y cualitativo, contrastando sus diferencias y señalando sus semejanzas tanto históricas y epistémicas como metodológicas y procedimentales. Asimismo, se define su pertinencia dependiendo de la temática de estudio y de la disciplina –científica, protocientífica o humana– en la que se enmarque, brindando pautas para la elección de uno u otro enfoque, o de ambos –investigación mixta–, a través de la ponderación de sus ventajas y desventajas para la investigación científica. Por otro lado, se destaca la importancia de establecer canales de comunicación e integración entre sendos enfoques cognoscitivos, lejos de las concepciones que pretenden encontrar disensos más que consensos, contraviniendo así el valor de los estudios con enfoque mixto o complementario, que sería uno alternativo a los anteriores, mas no por ello superior ni siempre necesario.
Ejes y Líneas de Investigación en el Ámbito de la Educación Superior en el Perú: Hacia una Priorización Concertada de una Agenda de Investigación
Authors: Huayanay-Espinioza Carlos A. , Sánchez-Orellana Ricardo , Flores-Cordova Gianfranco , Béjar Manuel , Alburqueque Chávez Omar , Uribe-Diaz Sebastian , Bringas-Delgado Reynaldo
Published: June 2019

Como parte de los esfuerzos de priorización de líneas de investigación en el ámbito de la educación superior en el Perú, el Proyecto Mejoramiento de la Calidad de la Educación Superior (Procalidad) convocó a especialistas en gestión y a miembros de la academia para la conformación de mesas de trabajo. En ellas, tras la presentación de una caracterización de la problemática general en este campo, se generó un debate que culminó en la elaboración de una propuesta conjunta de agenda de investigación, que priorizó determinadas líneas. Entre las que los participantes destacaron se incluye (a) la necesidad de articulación entre la educación básica y la superior para una generación de competencias en los postulantes, (b) la necesidad de poner énfasis en la carrera docente orientada a la mejora de la calidad de las instituciones educativas, (c) la necesidad de la búsqueda de mecanismos alternativos de financiamiento que involucren al sector privado, (d) la necesidad de una mayor claridad en la regulación y normatividad existentes, y (e) la necesidad de un impulso mayor al vínculo entre la educación superior, las empresas y el Estado, en aras de lograr un nivel más alto de competitividad y desarrollo. Estos lineamientos constituyen una pauta que permitirá expandir la discusión y generar una serie de políticas públicas conducentes a fortalecer la investigación en las instituciones de educación superior y promover investigaciones más pertinentes para el país en el mediano y largo plazo.
Exportações de petróleo e a hipótese da Maldição dos Recursos Naturais no Brasil
Authors: Veríssimo Michele Polline
Published: June 2019

Este artigo investiga os efeitos das exportações de produtos primários, com foco no petróleo, sobre  o  desempenho  do  Produto  Interno  Bruto  (PIB)  brasileiro,  conforme  os  argumentos  da  literatura  denominada  “Maldição  dos  Recursos  Naturais”.  Para  isso,  utiliza  análise  de  cointegração via estimação de modelos Autorregressivos de Defasagens Distribuídas (ADRL), com dados do período 2000-2017. As evidências apontam que os efeitos das exportações de petróleo são positivos para a atividade econômica no longo prazo, com robustez dos resultados quando os canais de transmissão do problema são controlados, contrariando a hipótese da maldição para o Brasil. Contudo, os efeitos são negativos no curto prazo, embora se tornem insignificantes com o controle dos canais de transmissão. Assim, verifica-se a importância da retomada dos investimentos e da melhora do quadro institucional para assegurar os benefícios do petróleo para a economia.
Fe(III)-doxycycline complexes with diimine ligands: Syntheses, characterization and biological properties
Authors: Obaleye Joshua A , Abosede Olufunso Olumide
Published: June 2019

Three new iron(III) complexes of doxycycline viz: [Fe(dox)2Cl]Cl2 (1), [Febpy(dox)Cl]Cl2 (2) and [Fephen(dox)Cl]Cl2 (3), where dox is doxycycline, bpy is 2,2ʹ-bipyridine and phen is 1,10-phenanthroline, were synthesized and characterized by elemental analysis, electronic absorption, FT-IR, and electrospray ionization mass spectroscopy. Doxycycline and the polypyridyl ligands behave as bidendate ligands; the polypyridyl ligands coordinate through the two diimine nitrogen atoms and doxycycline through enolate and diketoamide oxygen atoms of ring A in a five-coordinate system with chloride atom in the axial position. Their antibacterial and antiplasmodial activities against chloroquine-sensitive Plasmodium falciparum NF54 and their interaction with calf thymus (CT) DNA using electronic titration were investigated. The three complexes showed good activity against strains of Staphylococcus aureus and Klebsiella pneumonia. The complexes bind moderately to CT DNA with binding constants of 5.6 × 104 and 4.8 × 104 for complexes 2 and 3, respectively.
Cu(II) and Cd(II) coordination polymers derived from pyrazine-2,3-dicarboxylato and 1-vinylimidazole ligands: Synthesis, characterization and hydrogen storage capacities
Authors: Gorduk Semih , Yilmaz Hakan , Andac Omer
Published: June 2019

In this study, two new coordination polymers of Cu(II) and Cd(II) ions with pyrazine-2,3-dicarboxylic acid and 1-vinylimidazole were synthesized. The structures of these coordination polymers were characterized with elemental analysis, infrared spectroscopy, thermal analysis, powder X-ray diffraction, and magnetic susceptibility techniques. According to the results of the thermal analysis, the coordination polymers that contained water molecules decomposed below 100 °C, and the final products for both coordination polymers were the related metal oxides in an oxygen atmosphere. Powder X-ray diffraction analysis revealed that the coordination polymers were in the crystalline form. The hydrogen storage capacities and surface areas of the coordination polymers were also determined. The highest hydrogen storage capacities were measured as 296 ml/g for the Cu(II) coordination polymer and 330 ml/g for the Cd(II) coordination polymer at approximately 75 bar and 75 K.
A Teoria Fundamentada na pesquisa qualitativa em educação musical: delimitações conceituais, construções e potenciais
Authors: Souza Zelmielen Adornes de , Bellochio Cláudia Ribeiro
Published: June 2019

A pesquisa qualitativa tem ganhado destaque no cenário da produção acadêmico-científica em educação musical nas últimas décadas, apresentando diversidade de temáticas e enfoques teórico-metodológicos. Como forma de contribuir com o desenvolvimento dessas pesquisas, este artigo trata sobre a Teoria Fundamentada (Grounded Theory), um método/metodologia que congrega um conjunto de técnicas e procedimentos sistemáticos de análise e de interpretação com vistas à construção de teorias enraizadas em dados empíricos. Para tanto, discorre sobre a sua origem, definição, características, pressupostos epistemológicos e procedimentos de análise de dados. Por fim, apresenta algumas pesquisas que foram desenvolvidas a partir desse método e tece considerações sobre o seu potencial na construção de teorias próprias ao campo da educação musical.
Factors Associated to Basic Emergency Obstetric Neonatal Care (BEONC) Nurses' Decision Making Skill
Authors: Ahsan Ahsan , Dewi Ni Luh Diah Ayu Sita , Haedar Ali , Rahmawati Ike Nesdia
Published: June 2019

Neonatal mortality rate (NMR) is an indicator to measure health degree of an area, health problem which involves some institutions to take a decision. The postponement of emergency condition recognition, attaining health facilities, and treatment are three theories of neonatal emergency postponement. The prominent problem of postponement of emergency condition recognition is nurse's ability to think critically to take a decision to determine emergency condition in neonatal. Critical thinking skill is an obligation competence for neonatal emergency nurses. Some theories reveal that characteristic of age, gender, educational background, training and tertiary education, working experience, and employment status influence nurses's decision making skill in treating neonatal emergency case. Different curriculum for introduction to critical thinking in treating neonatal emergency is a basis problem to be a neonatal emergency competent nurse. This research aims to analyze age, gender, education, advance training, experience, and employment status towards decision making skill neonatal emergency implementation at community health care center PONED. This research used cross sectional with purposive sampling. One hundred fifty three (153) nurses were invoked to be the subjects of this research. Besides, this research used Closed Ended Instrument. Based on the results of cross table, p value p>0.05 age, training, working experience and employment status were not related to decision making skill in emergency. Furthermore, male and bachelor of nursing science (p<0.05) is decision making skill of nurses in neonatal emergency. It is concluded that gender and nurse's educational background related to situation awareness. The results of this research are expected to encourage on service quality enhancement of neonatal emergency treatment.
Nursing Student Experiences in Clinical Education with Peer Learning Strategies
Authors: Hamzah Nuhla Nuhbah , Putri Suci Tuty , Sumartini Sri
Published: June 2019

Clinical learning greatly determines the quality of graduates in nursing education. In the clinical learning process students tend to be reluctant and afraid to ask questions and express opinions to lecturers and advisors, but students will be more courageous to ask and express opinions about the courses to other students. Peer learning is a learning strategy where students who have high absorption to become tutors for their friends who have not understood the material for a particular purpose and this method can be an alternative in clinical learning. The study aims to explore students experience on clinical nursing education with peer learning method. The research method which is utilized to develop the study was the qualitative method with phenomenology approach.Â  The 8 participants in the research students collage base goal of research have been administered. The data analysis of taking interview from participant use Thematic Content Analysis. The data analysis reported that The Learning Experience, Self-Esteem, Leadership and Development of clinical skills.Â  Peer learning can make students' knowledge grow, more independent, more initiative, more courageous, able to train leadership and improve clinical skills. To sum up, the development of strategy peer learning are able to enhance the skills of nursing students.
MOENCHIA ERECTA (L.) G. Gaertn., B. Mey & Scherb. AND CATAPODIUM MARINUM (L.) C.E. Hubb. TWO NEW SPECIES IN THE FLORA OF THE REPUBLIC OF MACEDONIA
Authors: Matevski Vlado , Čarni Andraž
Published: June 2019

The paper deals with the two new species for the flora of the Republic of Macedonia - Moenchia erecta (L.) G. Gaertn., B. Mey & Scherb. and Catapodium marinum (L.) C.E. Hubb. and their distribution on the territory of the Re-public of Macedonia.
DYNAMIC OF LAND DEGRADATION NEUTRALITY BASELINE INDCATORS IN THE REPUBLIC OF MACEDONIA
Authors: Mukaetov Dusko Mukaetov , Blinkov Ivan , Poposka Hristina
Published: June 2019

Land degradation neutrality (LDN) is defined as a "state whereby the amount and quality of land resources nec-essary to support ecosystem functions and services and enhance food security remain stable or increase within specified temporal and spatial scales and ecosystems". The baseline is expressed as the initial (t0) estimated value of each of the three indicators, used as proxies of land-based natural capital and the ecosystem services that flow from that land base: land cover/land use change, land productivity status and trends, soil organic carbon status and trends. The baseline of LDN was calculated with estimation of the average values across the 10 years baseline period of the following indica-tors: Land Cover/Land Cover change (LC/LCC), Land Productivity Dynamics (LPD) and Soil Organic Carbon (SOC). Three tier approaches for computation of the selected indicators were used: Tier 1: Global/regional Earth observation, geospatial information and modelling; Tier 2: National statistics (only for LC/LCC) and Tier 3: Field survey. Most sig-nificant changes in LC for the period 2000/2012 are in the categories of Forest land and Shrubs/grasslands. According the global data sets used for analysis of LPD, the total affected area with depletion of Land productivity for the period 2000/2010 is identified on a only 2.35 % of the country territory. The available global data sets gives a model SOC lev-els for the period 2000/2010. According these data, the total loss of SOC in our country is estimated on 3951 t.
Impact of Different Weather Years on the Design of Hydrogen Supply Pathways for Transport Needs
Authors: Caglayan Dilara , Heinrichs Heidi , Linßen Jochen , Robinius Martin , Stolten Detlef
Published: June 2019

Renewable energy sources (RES) will play a crucial role in future sustainable energy systems. In scenarios analyzing future energy system designs, a detailed spatial and temporal representation of renewable-based electricity generation is essential. For this, sufficiently representative weather data are required. Most analyses performed in this context use the historical data of either one specific reference year or an aggregation of multiple years. In contrast, this study analyzes the impact of different weather years based on historical weather data from 1980 through 2015 in accordance with the design of an exemplary future energy system. This exemplary energy system consists of on- and offshore wind energy for power-to-hydrogen via electrolysis, including hydrogen pipeline transport for most southwestern European countries. The assumed hydrogen demand for transportation needs represents a hypothetical future market penetration for fuel cell-electric vehicles of 75%. An optimization framework is used in order to evaluate the resulting system design with the objective function of minimizing the total annual cost (TAC) of the system. For each historical weather year, the applied optimization model determines the required capacities and operation of wind power plants, electrolyzers, storage technologies and hydrogen pipelines to meet the assumed future hydrogen demand in a highly spatially- and temporally-detailed manner, as well as the TAC of the system. Following that, the results of every individual year are compared in terms of installed capacities, overall electricity generation and connection to the transmission network, as well as the cost of these components within each region. The results reveal how sensitive the final design of the exemplary system is to the choice of the weather year. For example, the TAC of the system changes by up to 20% across two consecutive weather years. Furthermore, significant variation in the optimization results regarding installed capacities per region with respect to the choice of weather years can be observed.
Posterior Malleolar Ankle Fractures
Authors: Mason Lyndon William , Kaye Angus , Widnall James , Redfern James , Molloy Andrew
Published: June 2019

Background:

There is increasing acceptance that the clinical outcomes following posterior malleolar fractures are less than satisfactory. We report our results of posterior malleolar fracture management based on the classification by Mason and Molloy.

Methods:

All fractures were classified on the basis of computed tomographic (CT) scans obtained preoperatively. This dictated the treatment algorithm. Type-1 fractures underwent syndesmotic fixation. Type-2A fractures underwent open reduction and internal fixation through a posterolateral incision, type-2B fractures underwent open reduction and internal fixation through either a posteromedial incision or a combination of a posterolateral with a medial-posteromedial incision, and type-3 fractures underwent open reduction and internal fixation through a posteromedial incision.

Results:

Patient-related outcome measures were obtained in 50 patients with at least 1-year follow-up. According to the Mason and Molloy classification, there were 17 type-1 fractures, 12 type-2A fractures, 10 type-2B fractures, and 11 type-3 fractures. The mean Olerud-Molander Ankle Score was 75.9 points (95% confidence interval [CI], 66.4 to 85.3 points) for patients with type-1 fractures, 75.0 points (95% CI, 61.5 to 88.5 points) for patients with type-2A fractures, 74.0 points (95% CI, 64.2 to 83.8 points) for patients with type-2B fractures, and 70.5 points (95% CI, 59.0 to 81.9 points) for patients with type-3 fractures.

Conclusions:

We have been able to demonstrate an improvement in the Olerud-Molander Ankle Score for all posterior malleolar fractures with the treatment algorithm applied using the Mason and Molloy classification. Mason classification type-3 fractures have marginally poorer outcomes, which correlates with a more severe injury; however, this did not reach significance.

Level of Evidence:

Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.
Digital Surface Model-aided Quantitative Geologic Rockfall Rating System (QG-RRS)
Authors: Admassu Yonathan
Published: June 2019

Rockfalls are one of the most common types of slope failures that affect cut slopes along roadways in mountainous regions. The Rockfall Hazard Rating System (RHRS), started in Oregon and adopted by various U.S. states, is used to rate cut slopes with respect to their likelihood of releasing rockfalls. Existing rating systems use semi-quantitative approaches to rate geological and non-geological factors. The main geologic factors are favorability/unfavorability of orientation of discontinuities with respect to the orientation of slope faces and likelihood of differential weathering leading to undercutting of strong rock units. Digital surface models (DSMs) derived from light detection and ranging (LiDAR) and photogrammetry have been used to remotely characterize rock mass. This research introduces an expanded application of DSMs to quantify geologic factors that contribute to the likelihood of rockfall events. The method is hence referred to as the Quantitative Geologic Rockfall Rating System (QG-RRS). Four DSM-based parameters, A, B, C, and D, have been identified to evaluate geologic factors. These parameters quantify the likelihood of discontinuity orientation-controlled failures (parameter A), the degree of undercutting (parameter B), rockfall activity based on rockfall release surfaces (parameter C), and rockfall volume from rockfall voids (parameter D). This rating system, although not inclusive of other non-geological factors, appears to provide reproducible quantitative estimation of geologic factors that control rockfall generation.
CONSEJO DE ADMINISTRACIÓN DEFICITARIO, CONSEJO DE ADMINISTRACIÓN INCOMPLETO Y VALIDEZ DE LA CONVOCATORIA DE LA JUNTA GENERAL DE SOCIOS
Authors: Alonso Espinosa Francisco J.
Published: June 2019

La STS (Sala 1ª) de 16 de enero de 2019 (Rec. 81/2016; ponente: Pedro José Vela Torres) resuelve sobre los criterios de estimación como causas de impugnación de la validez de los acuerdos de la junta general de socios relativas a: (i) la convocatoriade la junta general por acuerdo de un consejo de administración de tres miembros pero constituido solamente por dos consejeros a causa de la previa dimisión del ex-consejero y también socio impugnante, y (ii) la lesión del derecho de información del mismo socio y ex-administrador antes y durante la celebración de la junta general. Nos ocupamos aquí del primero de los problemas relativo a la convocatoria de la junta general por consejo de administración incompleto como causa de impugnación de la junta general y de sus acuerdos.
EL TRIBUNAL SUPREMO VUELVE INNECESARIAMENTE A LA DOCTRINA SOBRE LA IRRELEVANCIA DE LA CLÁUSULA DE PAGO A PRIMER REQUERIMIENTO STS 217/2019
Authors: Espigares Huete José Carlos
Published: June 2019

Nos da la sensación de que el TS ha vuelto innecesariamente a complicar el debate sobre las garantías “a primer requerimiento”. Creemos, además, que los términos en que el conflicto se había planteado no lo exigían.
Effect of tetrandrine combined with arsenic trioxide on stem cells of triple negative breast cancer
Authors: Guo Yubo , Fan Yingyi , Wu Ruixian , Pei Xiaohua
Published: June 2019

Background

Although the triple negative breast cancer is sensitive to chemotherapy, breast cancer stem cells (BCSCs) is the origin of tumor chemotherapy resistance, tumor recurrence and tumor invasion and metastasis. This study aims to examine the effect of tetrandrine combine with arsenic trioxide on BCSCs and potential mechanism of anti- triple negative breast cancer metastasis.

Methods

We cultured the triple negative breast cancer cell MDA-MB-231 and induced BCSCs sphere formation by serum-free medium for 5 days. In the MDA-MB-231 cell and MDA-MB-231 stem cell, we compared the ratio of CD44+/CD24- and sorted stem cells by flow cytometry, the expression of Oct4 and Sox2mRNA were by rt-PCR, invasion ability were by Transwell assay. We subsequently measured the effect of tetrandrine combine with arsenic trioxide on BCSCs proliferation by CCK8 method. The stem cell morphology observation was by trypan blue staining. Stem cell cycle and apoptosis were evaluated by flow cytometry. Western Blot was used to measure the protein levels of Hedgehog, Notch1 and PTEN signaling of BCSCs.

Results

The ratio of CD44+/CD24- in MDA-MB-231 stem cells was 95.0%, while MDA-MB-231 cell was 89.3%. The invasion number of MDA-MB-231 stem cell was significantly higher than that of MDA-MB-231 cells (p<0.01). Furthermore, we demonstrated that tetrandrine and arsenic trioxide could inhibit the BCSCs proliferation. Tetrandrine combine with arsenic trioxide could significantly promote the apoptosis (p<0.01) and increase the percentage of G0/G1 phase and decrease the G2/M phase (p<0.01) of BCSCs. Compared with the control group, arsenic trioxide, tetrandrine and the combined group could significantly reduce the expression of GLI1 and SMO and increase the expression of PTEN protein (P<0.05).

Conclusions

These findings revealed that tetrandrine combined with arsenic trioxide could suppress the proliferation and induce apoptosis of BCSCs by decreased Gli and SMO expression and increased PTEN expression. Targeting BCSCs treatment, this study provides potential therapeutic drugs against triple negative breast cancer metastasis.
The role of corporate governance in debt and dividend policies: case of Slovakia
Authors: Musa Hussam , Rech Frederik , Musová Zdenka
Published: June 2019

Do good corporate governance practices affect the amount of intermediated debt used by corporations and their dividend payout decisions? This study addresses the direct effects of corporate governance practices on both the indebtedness and the dividend pay-outs in corporations listed on the Bratislava Stock Exchange in 2015–2017 in Slovakia. Because of the relatively weakly developed stock market, the hypothesis is set only to found whenever there is a correlation between those variables. For analyzing the data, Spearman’s rank correlation was used because of the absence of normal distribution. Furthermore, authors adjusted the data set specifically in both cases to reflect more precisely the situation and increase the significance of the models. The most important result of this paper is the finding that the application of the corporate governance principles affects financial decisions of companies. There is a correlation between the responsible application of corporate governance principles and the total debt of companies. Also, there is a correlation between the responsible application of corporate governance principles and the amount of dividends paid to shareholders.
Prenatal diagnosis of lung malformations and upper respiratory tract in
fetuses with trisomy 21
Authors: U.A. Strupeneva, E.S. Nekrasova, E.V. Lisina
Published: June 2019

The features of the development of the respiratory system in children with Down syndrome and related
with that diseases of lungs and upper respiratory tract in children in early childhood are presented. Two cases
of prenatal diagnosis of cystic adenomatous malformation type Ш and laryngeal atresia in fetuses with trisomy
21 are described.
Prenatal ultrasound diagnosis of esophageal diverticulum
in the III trimester of gestation
Authors: V.V. Ezhova
Published: June 2019

The article presents a clinical case of prenatal diagnosis of esophageal diverticulum. In the study of ultrasound
anatomy of the fetus at 32 weeks of gestation in the posterior mediastinum the anechogenic formation of a round
shape with smooth clear contours, size 9.6 7.2 9.0 mm, avascular in colour Doppler mapping was detected.
Ultrasound examination of the fetus at 36 weeks of gestation revealed a connection between the esophageal and
cystic formation. This connection appeared during the filling of the esophageal amniotic fluid, which allowed
the diagnosis of esophageal diverticulum. At 39 weeks of gestation occurred a spontaneous birth. The boy was
born in full-term with weigh 3480 g. The prenatal diagnosis was confirmed during postnatal examination. The
child is under the supervision of a surgeon. Surgical treatment is planned at the age of 6 months. The article
discusses issues related to differential prenatal diagnosis of cystic masses of the mediastinum, prognosis and
potential complications of the diverticulum of esophagus.
Prenatal ultrasound diagnosis of adrenal gland hemorrhage: differential
diagnosis
Authors: N.A. Àltynnik
Published: June 2019

The case of prenatal ultrasound diagnosis of hemorrhage in the right adrenal gland in a male fetus in the
third trimester of pregnancy is presented. The data of foreign and domestic literature on the possibilities of differential diagnosis of volumetric formations in the adrenal gland in the fetus are analysed.
To the question of the lobar form of holoprocephalus
Authors: A.Yu. Blinov
Published: June 2019

An overview of the literature data on holoprozencephaly is given. It is considered a classic look on this
congenital pathology. The opinions of modern researchers are given. The reasons for the large mosaicity of
the echographic and radiological images of the same variant of the anomaly are analyzed. It is concluded that
holoprozencephaly does not consist of three stable neuroanatomical forms, but is a continuous spectrum of
anomalous development of proencephalon without clear boundaries, starting with the most severe variants and
ending with microscopic forms.
A qualidade da educação superior em contexto emergente: uma aproximação na perspectiva da produção acadêmica recente (2007 – 2017)
Authors: Fontoura Julian Silveira Diogo de Ávila , Corsetti Berenice
Published: June 2019

Neste artigo, buscamos sistematizar a produção do conhecimento, entre o período de 2007 e 2017, sobre o tema Qualidade da Educação Superior, a fim de compreender como é este apresentado pelas comunidades de pesquisa inseridas junto aos Programas de Pós-Graduação stricto sensu brasileiros. Na produção dos dados, utilizamos os princípios de Estado de Conhecimento, com foco na pesquisa de caráter exploratório, inventariante e descritivo. Como resultados, temos a qualidade percebida a partir da excelência universitária, da formação dos sujeitos e da missão da Universidade junto à sociedade.
Fatores motivacionais e contribuições das mobilidades internacionais de estudantes de uma instituição federal do Rio Grande do Sul
Authors: Perlin Ana Paula , Rossato Gabriela , Motke Francies Diego , Gomes Clandia Maffini , Kneipp Jordana Marques
Published: June 2019

Este estudo foi desenvolvido com o objetivo de identificar as motivações e contribuições da mobilidade acadêmica internacional para os alunos de uma Instituição Federal do Rio Grande do Sul. Por meio dos resultados apresentados, foi possível identificar os fatores que motivaram a realização de intercâmbio pelos estudantes, os quais parecem estar mais relacionados com experiências pessoais quando comparados objetivos profissionais. Entre as razões que motivaram a escolha do país de destino do intercâmbio, percebeu-se que fatores relacionados a estrutura que o país de origem oferece, com baixos custos, boa infraestrutura e instituições acadêmicas atraentes, são razões significativas para a escolha do país de destino do estudante em mobilidade acadêmica da instituição analisada.
Opracowanie dynamicznych testów kontroli jakości kolimatora wielolistkowego przy użyciu oprogramowania Artiscan.
Authors: Szweda Hubert , Romański Piotr , Matuszewski Krzysztof , Pawałowski Bartosz
Published: June 2019

Odpowiednia kontrola jakości kolimatora wielolistkowego jest bardzo istotnym elementem każdego programu zapewnienia jakości radioterapii. Wyróżnia się dwie metody kontroli jakości MLC (ang. multileaf collimator). Pierwsza z nich to patient specific QA (ang. quality assurance), zakładająca że każdy plan leczenia musi zostać zweryfikowany i sprawdzony przed rozpoczęciem leczenia przez pacjenta. Druga metoda to machine specific QA, która zakłada, że parametry pracy MLC powinny być sprawdzane i kontrolowane w określonym przedziale czasu. Głównym celem pracy było przeprowadzenie dedykowanych testów i opracowanie protokołów kontroli jakości pracy kolimatora wielolistkowego. Protokoły zostały opracowane przy użyciu oprogramowania Artiscan, które służy do automatycznej oceny obrazów. Testy MLC przeprowadzone zostały na trzech akceleratorach liniowych firmy Varian, modele: TrueBeam, Clinac 2300CD-S oraz Unique. Do zebrania obrazów DICOM użyto elektronicznych detektorów obrazowych, zainstalowanych w akceleratorach. Bazując na otrzymanych wynikach wyznaczono wartości referencyjne dla wszystkich testów dynamicznych. Dla testów dMLC dosimetry, dose rate/gantry speed oraz MLC speed wyznaczono 2% tolerancje. Dla testów Static Picket Fence oraz Rapid Picket Fence ustalono 0,70 mm tolerancje. Opracowane protokoły QA w sposób znaczący przyczyniły się do optymalizacji całego procesu kontroli jakości, czyniąc go szybszym, wydajniejszym i bardzo zautomatyzowanym.
Ocena tolerancji i toksyczności leczenia u pacjentów w trakcie radioterapii skojarzonej z hipertermią
Authors: Nowak Agata
Published: June 2019

Hipertermia jest dodatkową metodą leczenia wykorzystywaną w terapii guzów litych. Wielkopolskie Centrum Onkologii wykorzystuje aparat Celsius 42+ do przeprowadzania zabiegów hipertermii lokoregionalnej. Badanie przeprowadzono na 20 pacjentkach z nowotworem szyjki macicy. Zabiegi wykonywane były 1-2 razy w tygodniu, w schemacie hipertermia – maksymalnie godzina przerwy – radioterapia, zgodnie z rekomendacjami producenta. Wydaje się, iż ocena komfortu leczenia u pacjentów onkologicznych jest niezwykle ważna, zarówno dla pacjentek, jak i dla rozwoju medycyny. W trakcie przeprowadzonego badania udało się ustalić 4 główne problemy, które pojawiły się w trakcie zabiegu hipertermii, w zależności od ilości sesji czy BMI pacjentki.