bluuebunny/crossref_metadata_2025 huggingface dataset:
Using the Reduced Uterine Perfusion Pressure model of preeclampsia to study the blood brain barrier permeability
Authors: Escouto Daniele Cristóvão , Gadonski Giovani , Porcello-Marrone Luiz , Costa da Costa Jaderson , Paludo Nathália , Do Amaral Rayssa Ruszkowski , Da Costa Bartira Ercília Pinheiro , Poli-de-Figueiredo Carlos Eduardo
Published: June 2018

***Using the Reduced Uterine Perfusion Pressure model of preeclampsia to study the blood brain barrier permeability***AIMS: To use the Reduced Uterine Perfusion Pressure (RUPP) model for preeclampsia to describe and evaluate the blood brain barrier permeability in pregnant rats.METHODS: Forty-one pregnant Wistar rats were divided into different intervention groups between 13 to 15 days of gestation: Pregnant-Control (PC; n=12), Reduced Uterine Perfusion Pressure (RUPP; n=15), Invasive Blood Pressure-Control (IBP; n=7) and Reduced Uterine Perfusion Pressure and Invasive Blood Pressure (RUPP-IBP; n=7). The 14 rats of groups IBP and RUPP-IBP had their mean arterial pressure measured at day 21. All animals were then sacrificed, administered Evans Blue dye through the tail vein and perfused with paraformaldehyde 4%. Brains were removed and evaluated by a blinded pathologist. Results are presented as means and standard errors. Comparisons between the groups were performed using Student's t-test for continuous variables and Fisher’s exact test for categorical variables. Statistical significance was set as a p value less than 0.05.RESULTS: Mean arterial pressure averaged 85.4±2.2 mmHg in the IPB group and 102.5±8.3 mmHg in the RUPP-IPB group (p=0.002). Among all the RUPP rats (RUPP and RUPP-IBP groups), 82% had a positive staining with Evans Blue dye for at least one of the brain hemispheres, while none of the pregnant control rats (PC and IBP groups) had brain staining (p<0.001).CONCLUSIONS: In this study, altered permeability of the blood brain barrier was successfully reproduced in pregnant rats exposed to the RUPP protocol. Therefore, we concluded that the RUPP model is a valid surrogate to study blood brain barrier abnormalities.
Fogágybetegség kezelésének hatása a terhesség kimenetelére
Authors: Novák Tibor , Radnai Márta , Kozinszky Zoltán , Práger Nándor , Hodoniczki László , Gorzó István , Németh Gábor
Published: June 2018

Abstract:

Introduction: Correlations between periodontitis and its effects on the outcome of pregnancies are actually more focused topics. Maternal motivation for a good oral hygiene and preventive dental treatment must be highlighted tasks during pregnancy care. Aim: The authors analysed the effect of the preventive dental treatment during pregnancy and its obstetrical effects. Method: In a prospective randomised study, including pregnant women observed for threatening preterm deliveries, patients with dental examination (n = 71) were compared with patients undergoing dental treatment at the same time (n = 79). Statistical analysis: Univariate comparisons for categorical variables were assessed by χ2 tests and independent Student’s t-tests for continuous variables. ORs were compared with Mantel–Haenszel tests. Multivariable logistic regression was performed to evaluate the factors determining the poor periodontal parameters and gingivitis separately. The two-tailed statistical significance level was set at 5%. Results: In the dental treatment group, the neonatal birth weight was significantly higher than in the non-treated group, in case of patients with periodontitis (2990 ± 582.3 g vs 2568.1 ± 699.1 g, p = 0.005). Also the average age at delivery was significantly higher in the treated vs non-treated groups (37.3 ± 1.9 vs 36.0 ± 2.9 weeks, p = 0.027), and the treatment had a beneficial effect on the prolongation of pregnancy, with a higher level of significance in the gingivitis group vs patients with periodontitis groups (p = 0.02 vs p = 0.043). Conclusions: Dental treatment of expecting women has a beneficial effect on the prolongation of pregnancy by decreasing the rate of prematurity and perinatal complications. Orv Hetil. 2018; 159(24): 978–984.
FREE VIBRATION OF TWO-DIRECTIONAL FGM BEAMS USING A HIGHER-ORDER TIMOSHENKO BEAM ELEMENT
Authors: Thom Tran Thi , Kien Nguyen Dinh
Published: June 2018

Free vibration of two-directional functionally graded material (2-D FGM) beams is studied by the finite element method (FEM). The material properties are assumed to be graded in both the thickness and longitudinal directions by a power-law distribution. Equations of motion based on Timoshenko beam theory are derived from Hamilton's principle. A higher-order beam element using hierarchical functions to interpolate the displacements and rotation is formulated and employed in the analysis. In order to improve the efficiency of the element, the shear strain is constrained to constant. Validation of the derived element is confirmed by comparing the natural frequencies obtained in the present paper with the data available in the literature. Numerical investigations show that the proposed beam element is efficient, and it is capable to give accurate frequencies by a small number of elements. The effects of the material composition and aspect ratio on the vibration characteristics of the beams are examined in detail and highlighted.
A SOLUTION FOR IMPROVEMENT OF ECG ARRHYTHMIA RECOGNITION USING RESPIRATION INFORMATION
Authors: Linh Tran Hoai
Published: June 2018

Electrocardiogram (ECG) and respiration signals are two basic and important and valuable biomedical signals as source of information used to determine a person's health status. However, ECG signals are usually of small amplitude and are susceptible to various noises such as: the 50Hz grid noise, poor electrodes’ contacts with the patient's skin, the patient's emotional variations, the respiration and movement of the patient... The idea in this paper by  filtering out the effect of the respiration in the ECG signal or by incorporating the information of breathing stage into the ECG signal classification the we can improve the reliability and accuracy of the arrythmia classification. This paper proposes a solution, which uses wavelet filter to reduce the effect of respiration in the ECG signals and will use additional information from the breathing rhythm (when available) to help better classifying the arrythmias. As the main nonlinear classifier we use the classical neuro-fuzzy TSK network. The proposed solution will be tested with data from the MIT-BIH and the MGH/MF databases.
Catalytic Activity of Cr2O3/sepiolite in the oxidation of benzyl alcohol
Authors: Thao Nguyen Tien , Nhu Nguyen Thi , Thuan Ngo Thi
Published: June 2018

Cr2O3/sepiolite samples with different loadings have been prepared through the precipitation method and characterized by several physical methods such as XRD, TEM, BET, and TGA... The as-prepared materials have large surface area, high distribution of Cr2O3 nanoxides on the nanofibrous sepiolite. The catalysts have been tested in the oxidation of benzyl alcohol with t-BuOOH. Chromium oxides were found to be active sites for the oxidation of benzyl alcohol to aldehyde. The catalytic activity varied with reaction time and temperature. The appropriate temperature is about 60-70oC with conversion of 40-60% and benzaldehyde selectivity of 90%.
A FLEXIBLE HIGH-BANDWIDTH LOW-LATENCY MULTI-PORT MEMORY CONTROLLER
Authors: Le Duc Hung , Nguyen Xuan Thuan , Bui Trong Tu , Thuan Huynh Huu , Kha Pham Cong
Published: June 2018

Multi-port memory controllers (MPMCs) have become increasingly important in many modern applications due to the tremendous growth in bandwidth requirement. Many approaches so far have focused on improving either the memory access latency or the bandwidth utilization for specific applications. Moreover, the application systems are likely to require certain adjustments to connect with an MPMC, since the MPMC interface is limited to a single-clock and single-data-width domain. In this paper, we propose efficient techniques to improve the flexibility, latency, and bandwidth of an MPMC. Firstly, MPMC interfaces employ a pair of dual-clock dualport FIFOs at each port, so any multi-clock multi-data-width application system can connect to an MPMC without requiring extra resources. Secondly, memory access latency is significantly reduced because parallel FIFOs temporarily keep the data transfer between the application system and memory. Lastly, a proposed arbitration scheme, namely window-based first-come-first-serve, considerably enhances the bandwidth utilization. Depending on the applications, MPMC can be properly configured by updating several internal configuration registers. The experimental results in an Altera Cyclone V FPGA prove that MPMC is fully operational at 150 MHz and supports up to 32 concurrent connections at various clocks and data widths. More significantly, achieved bandwidth utilization is approximately 93.2% of the theoretical bandwidth, and the access latency is minimized as compared to previous designs.
NUMERICAL SIMULATION TO STUDY EFFECT OF DIE DESIGN PARAMETERS ON DEFORMATION POSSIBILITY OF METAL ON COMBINED DRAWING
Authors: Tien Nguyen Manh , Hoan Tran Duc , An Nguyen Truong , Tuan Pham Manh
Published: June 2018

This paper uses numerical simulation to study amethod in combined drawing process with thinning the wall when drawing of a cylindrical cup of sheet metal. The software Deform 2D is used to examineeffect of die design parameters (inclination of die) on deformation possibility of metal. Simulation results in order to select appropriate die design parameters (conical die), to enhance the ability to deform and contribute to improve product quality.
HEALTH CO-BENEFITS OF CLIMATE CHANGE MITIGATION FOR THE BUS SYSTEM OF HANOI
Authors: Dung Nghiem Trung , Lien Nguyen Thi Yen
Published: June 2018

The real–world driving data of the five bus routes of Hanoi, namely No. 9, 18, 25, 32 and 33, were collected using a GPS with the update rate of 1 Hz. GPS data were processed and used to simulate the emission by IVE model for the base state and three scenarios of air pollution control of Hanoi bus system. Co-benefits of climate, air quality and health were deternined. The obtained results show that either the fuel switching or the tightening of emission standards bring significant benefits of environment and health.
Initiating communities of practice for teaching and education scholarship in hospital settings: a multi-site case study
Authors: Miller Daniel , Kwan Debbie , Ng Stella , Friesen Farah , Lowe Mandy , Maniate Jerry , Matmari Lakshmi , Nirula Latika , Richardson Denyse
Published: June 2018

This article was migrated. The article was marked as recommended. Background and Rationale: Numerous calls have been made for faculty development programming to better address faculty members' ongoing needs, to situate training strategies within the workplace and to utilize social learning perspectives, communities of practice in particular. Reviews have pointed to a paucity of published qualitative research on faculty development communities of practice and, more generally, on the processes of change and the organizational contexts in which interventions are implemented. Intervention: An initiative was started to instigate education scholarship communities of practice in three highly distinct academic health care settings, to address faculty members' ongoing needs for community and, ultimately, to serve as a source of support for the application of new knowledge to routine education activities. A research project was launched jointly to describe the process and progress of attempting to develop communities of practice at the three sites and to identify common and unique influences on sites' progress. Data Collection: Phone interviews were conducted with group facilitators from each site following group meetings, for the duration of the initiative. Analysis: Multiple case study methodology was employed to describe and compare the processes and progress of attempting to initiate communities of practice at the three sites and to identify obstacles related to organizational context. Findings: All three sites made limited progress in developing a shared domain of interest and a shared history of regular interaction (i.e. regular meetings). Participants identified different professional backgrounds and different education practices as challenges to establishing shared interest. More prominently, they identified busy schedules, geographic barriers, and absence of protected time as obstacles to regular and consistent meetings. Discussion: Difficulty establishing shared interest and shared history are considered in light of the unclear meaning of "education scholarship", cognitive and ethical boundaries between professions, and time constraints within modern, highly complex academic healthcare settings. Conclusions: While CoPs may appeal as self-sustaining, low-cost alternatives to formal programming, limited progress is possible without institutional investment and allowance commensurate with the implied scope and challenges.
A Note on the Extent, Operation and Results of Enterprise Zones in American States
Authors: Veasey R. Lawson , Horton Hayward D.
Published: June 2018

Since at least the early 1960s, redistributive politics and demand-side economics have formed the basis for most public programs attempting to deal with urban blight. The apparent lack of success of these policies has raised suggestions for new urban program-policies innovations based upon a different economic orientation. Enterprise Zones (EZs) are the supply-side economics alternative for dealing with urban blight. In this note, we: describe the nature of EZs and briefly their history; present reported cost-benefit effects of EZs as a result of a nationwide survey of state-administered EZ programs; discuss the variety of EZ programs across the states; and suggest the problems of administering the myriad different types of EZs among the states. Finally, we offer several questions posed by this study which will require further investigation regarding the overall impact of EZs on the subnational level.
Introduction
Authors: Barth Jay
Published: June 2018

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State LGBT Rights Policy Outliers: Transsexual Birth Certificate Amendment Laws
Authors: Taylor Jami K. , Tadlock Barry L. , Poggione Sarah
Published: June 2018

This paper explores an anomaly in gay, lesbian, bisexual and transgender (LGBT) rights policy, laws allowing transsexual individuals to amend their birth certificates. Unlike most other LGBT rights policies, these statutes are often found in Southern and other conservative states. In fact, these laws are found in half of the Southern states. The array of states with these laws does not conform to the traditional pattern of morality politics laws that is commonly associated with LGBT rights. Using a Cox non-proportional hazards model, we find that the adoption of these laws was influenced by vertical diffusion of the Centers for Disease Control's model vital records recommendations. States with more professionalized bureaucracies, like Virginia and Georgia, were more likely to implement these recommended best practices. However, as transgender rights became more closely associated with the gay rights advocacy movement, this issue likely resembles morality policy. The result being that liberal and conservative elites respond to these policies in predictable manners. Notably, the political opportunity structure in Southern states has not allowed the passage of this type of statute since the incorporation of transgender rights into the LGBT social movement during the mid-1990s.
Impedance evaluation of coatings from biobased material
Authors: Szociński Michał , Darowicki Kazimierz
Published: June 2018

The authors propose a modification of sodium caseinate edible coating for foodstuff protection. The aim was to improve the film’s barrier properties. It was achieved by the addition of propolis, which is a natural, environmentally friendly product known from its intrinsic sealing action. In the next step, propolis-admixed sodium caseinate films were exposed to elevated temperature for 10 min. This approach was meant to improve the barrier effect of propolis. Electrochemical impedance spectroscopy was used to evaluate the performance of the control and modified samples upon immersion in water. Atomic force microscopy-based measurements visualised the sealing effect of propolis by means of topographical images, local direct-current maps and local impedance spectra of the control and modified films. From the obtained results the authors drew the conclusion that the proposed modifications improved the barrier properties of the sodium caseinate films. Applied combination of the investigation methods, electrochemical impedance spectroscopy and atomic force microscopy, allowed successful characterisation of protective properties of sodium caseinate coatings. The proposed atomic force microscopy measurement modes can be employed for evaluation of modifications implemented into biobased coatings, particularly when there is a need for electrolyteless tests.
Vinclozolin’ in Galleria mellonella L. (Lepidoptera: Pyralidae)’ nın Erginleşme Süresi ve Eşey Oranı Üzerine Etkisi
Authors: ÖZTÜRK Rahile , AKDOĞAN Yunus
Published: June 2018

Bu çalışma,
vinclozolinin, arıcılıkta peteklere zarar veren ve ekonomik yönden zararlı bir
tür olan Galleria mellonella (Lepidoptera:
Pyralidae)’ nın bazı fizyolojik özelliklerine etkisini belirlemek amacıyla
yapılmıştır. Deney grupları için, stok kültürlerden elde edilen yumurtalar,
farklı dozlarda (25, 50, 75 ve 100 ppm) vinclozolin karıştırılmış besin içine
bırakılmış ve yumurtadan çıkan larvaların bu besinle beslenmeleri sağlanmıştır.
Sonrasında, bu larvaların erginleşme süreleri ile erginleşen bireylerin eşey
oranları belirlenmiştir. Elde edilen sonuçlara göre, uygulanan vinclozolin
miktarının artmasının erginleşme süresini uzattığı, erginleşme yüzdesini önemli
ölçüde azalttığı ama meydana gelen erginlerin eşey oranlarında kontrol grubuna
göre bir fark oluşturmadığı tespit edilmiştir.
High-quality reference genome of the Siamese fighting fish Betta splendens, a model species for the study of aggression v1
Authors: Fan Guangyi
Published: June 2018

Siamese fighting fish Betta splendens are notorious for their aggressiveness and accordingly have been widely used to study aggression. However, the lack of a reference genome has so far limited the understanding of the genetic basis of aggression in this species. Here we present the first reference genome assembly of the Siamese fighting fish.
We first sequenced and de novo assembled a 465.24 Mb genome for the B. splendens variety Giant, with a weighted average (N50) scaffold size of 949.03 Kb and an N50 contig size of 19.01 Kb, covering 99.93% of the estimated genome size. To obtain a chromosome-level genome assembly, we constructed one Hi-C library and sequenced 75.24 Gb reads using the BGISEQ-500 platform. We anchored approximately 93% of the scaffold sequences into 21 chromosomes and evaluated the quality of our assembly using the high contact frequency heatmap and BUSCO. We also performed comparative chromosome analyses between Oryzias latipes and B. splendens, revealing a chromosome conservation evolution in B. splendens. We predicted a total of 23,981 genes assisted by RNA-seq data generated from brain, liver, muscle and heart tissues of Giant, and annotated 15% repetitive sequences in the genome. Additionally, we resequenced other five B. splendens varieties and detected ~3.4M single-nucleotide variations (SNVs) and 27,305 indels.
We provide the first chromosome-level genome for the Siamese fighting fish. The genome will lay a valuable foundation for future research on aggression in B. splendens.
Evaluation of different transfection methodologies to achieve efficient	expression of the NS1 dengue protein in HepG2 cells
Authors: Rabelo Kíssila , Oliveira Edson R.A. , Almeida Cecília J. G. , Alves Ada M.B. , Costa Simone M.
Published: June 2018

HepG2, a human hepatocarcinoma cell line, has been used as a model to study infection by several pathogens including dengue virus. However, this cell line is notoriously difficult to be transfected with plasmid DNAs by traditional methods, which is a limitation for some studies involving heterologous gene expression. In the present work, we analyzed different protocols for transfection of HepG2 with the plasmid pcENS1, which encodes the dengue NS1 protein, in order to evaluate the best methodology for achieving high cell viability and transfection efficiency. We analyzed two transfection approaches using lipid-based methods (Lipofectamine and FuGENE 6) or electroporation by nucleofection. Expression of the recombinant NS1 protein was evaluated by immunofluorescence and flow cytometry. Transfection with either of the two lipid-based methods led to very low number of HepG2 cells expressing NS1 (3.9% and 6.8% with Lipofectamine and FuGene, respectively) and high cell death rates. On the other hand, the efficiency of cell transfection was remarkable higher with nucleofection when compared to these other methods, achieving 63% of cells expressing NS1 protein and more than 60% of viability in the optimized condition.
Cyber Security Assemblages: A Framework for Understanding the Dynamic and Contested Nature of Security Provision
Authors: Collier Jamie
Published: June 2018

In the context of globalisation and privatisation, an emerging body of literature has applied the concept of an ‘assemblage’ to international relations and security studies. This article will argue that an assemblage framework provides the best means for understanding the complex configuration of cyber security actors, given that contemporary cyber security practices do not conform to the traditional public-private and global-local distinctions used in security studies and International Relations literature. With the configuration of cyber security actors, and the relationships between them in constant flux, an assemblage framework provides a means for understanding the contested, dynamic and diachronic nature of contemporary cyber security provision. While the concept of security assemblages is favoured in this article, the process and context in which the term has traditionally been used cannot be blindly imposed on the issue of cyber security. This article will therefore propose a different model of how cyber security assemblages have developed and explain the implications this has on contemporary security dynamics.
Privatizing Political Authority: Cybersecurity, Public-Private Partnerships, and the Reproduction of Liberal Political Order
Authors: McCarthy Daniel R.
Published: June 2018

Cybersecurity sits at the intersection of public security concerns about critical infrastructure protection and private security concerns around the protection of property rights and civil liberties. Public-private partnerships have been embraced as the best way to meet the challenge of cybersecurity, enabling cooperation between private and public sectors to meet shared challenges. While the cybersecurity literature has focused on the practical dilemmas of providing a public good, it has been less effective in reflecting on the role of cybersecurity in the broader constitution of political order. Unpacking three accepted conceptual divisions between public and private, state and market, and the political and economic, it is possible to locate how this set of theoretical assumptions shortcut reflection on these larger issues. While public-private partnerships overstep boundaries between public authority and private right, in doing so they reconstitute these divisions at another level in the organization of political economy of liberal democratic societies.
Crossing the Digital Divide: Monism, Dualism and the Reason Collective Action is Critical for Cyber Theory Production
Authors: Whyte Christopher
Published: June 2018

In studying topics in cyber conflict and cyber-security governance, scholars must ask—arguably more so than has been the case with any other emergent research agenda—where the epistemological and ontological value of different methods lies. This article describes the unique, dual methodological challenges inherent in the multifaceted program on global cyber-security and asks how problematic they are for scholarly efforts to construct knowledge about digital dynamics in world affairs. I argue that any answer to this question will vary depending on how one perceives the social science enterprise. While traditional dualistic perspectives on social science imply unique challenges for researcher, a monistic perspective of Weberian objectivity does not. Regardless of one’s perspective, however, the most important steps to be taken at the level of the research program are clearly those focused on constructing the trappings of community. To this end, I outline steps that might be taken to develop a range of community-building and -supporting mechanisms that can simultaneously support a micro-foundational approach to research and expose community elements to one another. Doing this stands to better opportunities for the production of knowledge and direct researchers towards fruitful avenues whilst shortening gaps between the ivory tower and the real world.
Dialog dzieci i nauczycieli w żłobkach Reggio Emilia
Authors: Maj Aleksandra
Published: June 2018

Artykuł przedstawia podejście Reggio Emilia w kontekście doświadczeń edukacyjnych najmłodszych dzieci. Od początku istnienia tego projektu żłobki postrzegane są jako miejsce edukacji, w którym dzieci, wchodząc w relacje z innymi, konstruują swoją własną wiedzę. W procesie tym kluczową rolę odgrywa nauczyciel, którego zadaniem jest przede wszystkim słuchanie, obserwowanie i zrozumienie strategii, jakich dzieci używają w trakcie uczenia się. Relacja dziecko – nauczyciel została zilustrowana fragmentami dokumentacji projektów realizowanych w żłobkach Reggio Emilia.
Early Childhood Education and Care System in Finland
Authors: Salminen Jenni
Published: June 2018

In Finland, Early Childhood Education and Care (ECEC) includes day care arrangements offered to families (care) along with goal-oriented early childhood education (early education and teaching) provided for children prior to transitioning to primary education. ECEC is therefore seen to build a coherent starting phase within the continuum of lifelong learning. ECEC follows the “educare” principle, which emphasizes the simultaneous consideration for children’s education, teaching, and care as the foundation of pedagogical activity, which is at the same time strongly rooted in the idea of learning and development as a holistic experience. The aim of this article is to provide an overview of the Finnish ECEC system, introduce its societal, organizational and curricular preconditions and discuss the current tensions and challenges faced.
Structural, Process and Curriculum Quality of Day Care and Preschool Provisions in the Netherlands
Authors: Van de Riet Elyse , Slot Pauline
Published: June 2018

The presented study investigated the structural, process and curriculum quality in Dutch Early Childhood Education and Care (ECEC) system. Teachers (N = 46) completed a structured questionnaire about the teacher, classroom and center characteristics. Furthermore, the Classroom Assessment Scoring System (CLASS) Toddler was used to measure the process quality in 28 Dutch day care and preschool provisions considered to be good practices. Results regarding structural quality revealed small significant differences between day care and preschool provisions for teacher’s educational level, children-to-teacher ratio, and classroom composition. As regards process quality, the results showed moderate to high Emotional Support and moderate levels of Support for Learning in both types. No significant differences were identified in process quality between day care and preschool classrooms. Finally, the teachers reported placing the greatest emphasis on activities involving pretend play, self-regulation and language and fewer opportun­ities concerning literacy, maths and science activities, with no significant differences between the two provisions.
Quem dita os “rumos” das publicações científicas originadas de dissertações e teses? Reflexão para a área da educação física
Authors: Sacardo Michele Silva , Hayashi Maria Cristina
Published: June 2018

Este texto tem a finalidade de apresentar alguns fatores que influenciam na trajetória das publicações científicas na área da Educação Física desde o momento em que ela deixa de ser literatura cinzenta (dissertações e teses) e se transforma em conhecimento público certificado pelos pares e divulgado como artigos científicos, livros e capítulos de livros. Entre estes fatores estão: o papel do pesquisador na produção do conhecimento, o “interesse” e as “disputas” no campo científico e, a avaliação da Pós-Graduação brasileira conduzida pela CAPES que possui notória influência no processo que norteia a produção científica desenvolvida nos programas de Pós-Graduação brasileiros.
A expressão de uma atividade esportiva: o desporto para cegos
Authors: Gorla José Irineu , Almeida José Julio Gavião de
Published: June 2018

O objetivo da entrevista com o Prof. David Faria Costa, foi o de perceber a luta de uma parcela da sociedade brasileira (pessoas deficientes visuais) e que espelha, simultaneamente, o nascimento fortificado de uma cultura esportiva (em toda a sua complexidade e aspectos relacionados) e o surgimento explícito de uma jornada relacionada ao desenvolvimento esportivo e vinculada às exigências sociais atuais.
Sobre o campo lexical do lazer: resenha do dicionário crítico do lazer
Authors: Pimentel Giuliano Gomes de Assis
Published: June 2018

A necessidade de nomear e explicar a vida em sua totalidade é constituinte da própria condição humana em seu processo civilizatório. Definir, conceituar, nomear, descrever e explicar funcionam como uma cristalização do pensamento, pois tentam garantir, mesmo que provisoriamente, uma estabilidade que facilite a comunicação. Esse ‘congelamento’ pelo conceito está sujeito à ação humana e, por isso, passível de ser mudado a cada paradigma quebrado. Mesmo considerada a provisoriedade tanto daquilo que significa quanto do que é significado, os campos de investigação, por conta de estabelecer sua tradição e um arcabouço consensual mínimo, acumulam historicamente discussão sobre determinadas categorias e conceitos pertinentes ao diálogo eficaz entre seus pares. E foi no sentido de reunir, com a densidade necessária, alguns dos vocábulos mais utilizados no campo do lazer que Dicionário crítico do lazer traz fundamentação para a “reflexão crítica” de 50 verbetes pertinentes aos estudos do lazer. Para tanto, foram reunidos 38 autores e autores, os quais são provenientes de 10 diferentes formações representando, assim, a própria natureza multidisciplinar das pesquisas e intervenções no lazer.
La conducta motriz: un nuevo paradigma para la educación física del siglo XXI
Authors: Otero Francisco Lagardera
Published: June 2018

El texto plantea la necesidad urgente de que la educación física lleve a cabo una auténtica revolución copernicana para que logre ser capaz de desarrollar todo su potencial pedagógico, de acuerdo a las expectativas y necesidades de la sociedad contemporánea. El ser humano funciona como un todo, como un sistema inteligente, de modo que con cada decisión que toma, con cada acción que emprende todo el sistema se pone en funcionamiento: la afectividad, el psiquismo, los órganos, toda la experiencia acumulada..., absolutamente todo el ser. Pierre Parlebas ya desarrolló hace cuatro décadas un concepto que entiende al ser humano como un sistema: la conducta motriz, de modo que cada persona va escribiendo su biografia motriz en la medida que va evolucionando como ser vivo. La educación física aplicando la pedagogía de las conductas motrices puede ser capaz de optimizar, es decir, de mejorar, las conductas motrices de las personas de acuerdo a unos determinados objetivos. Esta y no otra es la auténtica especificidad de la educación física, un gran valor pedagógico y social pues puede ser capaz de ayudar eficazmente a modificar de manera óptima lo que cuesta más cambiar en las personas: sus modos de actuar, es decir, sus conductas.
Relações preliminares entre a gestão esportiva e o profissional de educação física
Authors: Vieira Tiago Perez , Stucchi Sérgio
Published: June 2018

Este artigo tem como objetivo trazer para o estudante de Educação Física elementos para discussão sobre gestão esportiva. Principia-se com a análise da atual contextualização deste termo, do perfil profissional já identificado em pesquisa, pelas suas competências e relações do educador físico com a gestão esportiva. Sugere-se que o profissional desta área, por sua formação, já detém conhecimentos específicos do esporte para um posterior desenvolvimento das competências necessárias e das também identificadas no perfil do gestor esportivo.
Nível de ansiedade pré-competitiva em atletas de natação
Authors: Barbacena Marcella Manfrin , Grisi Roseni Nunes de Figueiredo
Published: June 2018

O estudo visou avaliar os níveis de ansiedade pré-competitiva de atletas de natação em duas competições de diferentes níveis: estadual (CP) e regional (CR). Participaram do estudo 37 atletas, sendo 21 do sexo feminino, de três clubes do estado da Paraíba. Eles responderam ao questionário de ansiedade pré-competitiva (CSAI-2) 15 minutos antes de suas provas. O teste revelou níveis de ansiedade pré-competitiva maiores em competições mais importantes (CR), com 36,8% dos sujeitos apresentando ansiedade média e alta em CR e apenas 11,5% na CP. Além disso, as mulheres apresentaram uma tendência para serem mais ansiogênicas que os homens. Todos os atletas apresentaram um bom nível de autoconfiança independentemente do nível da competição, mas com tendência para aumento de acordo com o nível da competição. Este trabalho contribui para uma reflexão da ansiedade em situações competitivas, possibilitando assim, conhecer como variam os estados de ansiedade e de autoconfiança antes de uma competição, sabendo que a ansiedade poderá afetar positivamente ou negativamente no rendimento posterior dos atletas, devendo ser motivo de atenção aos técnicos, psicólogos e estudiosos da área.
Motivos que levam adolescentes a praticarem futsal
Authors: Nuñez Paulo Ricardo Martins , Picada Helen Fabianny Souza de Lara , Schulz Sandro Torales , Habitante Carlos Alexandre , Silva Junior Vagner Pereira da
Published: June 2018

Nos últimos anos, os estudos relacionados à psicologia esportiva têm ganhado considerável espaço no meio acadêmico brasileiro, principalmente naqueles relacionados aos aspectos motivacionais. Conhecer os motivos que levam jovens a praticarem determinada modalidade esportiva é de grande relevância para professores e treinadores, pois a motivação é pré-requisito para a permanência de um indivíduo em um programa esportivo. Diante do exposto, este estudo teve por objetivo avaliar os motivos que levam adolescentes a praticarem futsal. A amostra foi composta por 100 alunos/atletas, de 13 a 16 anos, do sexo masculino, inscritos em sete equipes de escolas particulares de Campo Grande – MS. Como instrumento, utilizou-se o Inventário de Motivação para a prática Desportiva de Gaya e Cardoso (1998). Os dados mostram que praticar futsal para o rendimento esportivo (M= 3,92) configura-se como a principal motivação de adesão ao esporte, seguido pela saúde (M= 3,79) e pela amizade/lazer (M= 3,34). A maior motivação dos jovens em praticarem futsal para o rendimento esportivo pode ser em decorrência dos adolescentes terem um grande ímpeto para atividades competitivas, uma vez que, por intermédio delas, suas potencialidades são evidenciadas.
Os usos do corpo: dos sacrifícios “primitivos” às religiões “atuais”- Resenha
Authors: Rigoni Ana Carolina Capellini
Published: June 2018

No livro Sobre o Sacrifício, Mauss e Hubert falam sobre a função social do sacrifício religioso, que para eles concentra-se na prática de certos rituais realizados com o objetivo de iniciar ou manter o contato com deus, ou ainda deuses, dos quais o indivíduo tem necessidade. Percebemos uma profunda relação entre estes rituais com o corpo do fiel, pois são os gestos realizados durante o ritual que dão significado a ele. Isto torna a obra relevante a todos que se propõem a estudar o corpo em seus aspectos culturais e sociais, pois são diversas as religiões que compõem a sociedade contemporânea.
Quando a qualidade de vida bate cartão, resenha do livro: Assédio moral no trabalho FREITAS, E. M.; HELOANI, R.; BARRETO, M. São Paulo, Ed. Cengage Learning, 2008.
Authors: Gutierrez Gustavo Luis
Published: June 2018

É importante conseguir dar nome aos fenômenos que nos rodeiam. Senão seres imaginários como dragões e sereias correm o risco de se tornarem mais presentes que a própria realidade cotidiana em que vivemos. Este livro não só dá o nome, como torna concreto e compreensível um fenômeno com o qual todos nós, em algum momento das nossas vidas nas organizações, tivemos contato e, muito provavelmente, não soubemos muito bem como lidar: o assédio moral no trabalho. Ao longo de seis capítulos escritos numa linguagem clara e direta, com o uso correto de exemplos do dia a dia das organizações, o leitor deste livro recebe uma exposição abrangente e contundente das práticas de assédio, sua natureza, seus agentes e a lógica da sua expansão no espaço das empresas.
¿Converge la fecundidad en Brasil y Argentina? Un enfoque desde las desigualdades
Authors: Sacco Nicolás , Borges Gabriel
Published: June 2018

La idea de una tendencia de la fecundidad hacia niveles convergentes en América Latina y el Caribe posee una amplia aceptación, tanto en estudios académicos como así también en los supuestos por detrás de las proyecciones de población de los países de la región. Sin embargo, es poco lo que se sabe sobre los procesos de convergencia demográfica al descomponer la fecundidad según variables de diferenciación social. El objetivo de este artículo fue observar de forma comparada la hipótesis de convergencia en Argentina y Brasil desde 1970 hasta el 2010 de acuerdo a un análisis de periodo de la tasa global de fecundidad (TGF) según regiones estadísticas, niveles educativos y categorías socioocupacionales. Los datos provienen de los censos nacionales de población y las variables fueron armonizadas de manera tal de lograr comparaciones entre ambos países. Se aplicó una modificación de los métodos de la razón P/F de Brass y del modelo relacional de Gompertz para estimar los niveles de fecundidad, y se calcularon medidas de convergencia y dispersión para evaluar la hipótesis según las variables de análisis. Los resultados muestran evidencia de que la fecundidad presentó pautas de convergencia durante el período de estudio, especialmente para Brasil, aunque con algunos ciclos de divergencia y diferencias notorias entre los dos países, en particular de aquellos derivados de la posición en la estructura ocupacional.
Modelling the proximate determinants of fertility for Brazil: the advent of competing preferences
Authors: Coutinho Raquel Zanatta , Golgher Andre Braz
Published: June 2018

More than half of the world’s population lives in a country where fertility is below replacement level (MYRSKYLA; KOHLER; BILLARI, 2009). In Brazil, the total fertility rate (TFR) went down from 4.26 children per women in 1980 to 1.91 in 2010. Some internal disparities exist. We use data from the DHS from 1986, 1996 and the PNDS from 2006, the most recent survey available, to decompose and analyze fertility rates using a framework proposed by Bongaarts (2001), which is especially useful to explore and compare factors behind total fertility rates. The framework includes desired family size (DFS), unwanted fertility, sex preference, replacements for child mortality, rising age at childbearing, involuntary infertility and competing preferences. By understanding fertility components across time in Brazil, this paper illuminates how these factors vary by socio-demographic characteristics (race, religion, wealth, education, and place of residence), and how these factors combined have formed TFR throughout the years and in contexts of both high and low fertility. We found that, contrarily to what happened in the past, women in recent periods are having, in aggregate, fewer children than their ideal family sizes. However, unwanted pregnancies still explain why certain social groups have more children than desired. We also find that women with higher levels of education tend to desire more children than women with lower educational levels. Competing preferences is the main explanation for this disparity.
Concentração intraurbana de população e empregos: os centros antigos das cidades brasileiras perderam primazia?
Authors: Nadalin Vanessa Gapriotti , Furtado Bernardo Alves , Rabetti Matheus
Published: June 2018

Os centros antigos das cidades são regiões internas às metrópoles que se destacam por seu valor simbólico e por estarem sujeitos à decadência e esvaziamento. Em geral, a configuração espacial da população e dos empregos determina a relevância locacional dos sítios urbanos, os fluxos de mobilidade e a própria vitalidade de cada porção urbana, inclusive o centro. Entretanto, informações de localização populacional intraurbana só são disponibilizadas a cada dez anos. Dados de localização de empregos, quando disponíveis, se encontram agregados e não estão georreferenciados. Nesse contexto, o presente trabalho analisa e identifica estruturas intraurbanas de população (1991, 2000 e 2010) e emprego (2002 e 2013), em 12 regiões metropolitanas brasileiras, utilizando áreas mínimas comparáveis para agregar dados populacionais censitários e geolocalização identificada de empregos. Os resultados indicam que há perda populacional nos centros metropolitanos no período 1991- 2000, parcialmente recuperada no decênio seguinte. Constata-se ainda desconcentração de empregos com migração para novas áreas centrais, em relação aos centros urbanos tradicionais. Todavia, o comportamento não é linear para cada uma das 12 RMs analisadas e o resultado espacial final é específico para cada uma. O artigo contribui com a construção inédita da espacialização dos empregos para as 12 RMs. Ademais, a metodologia desenvolvida permite análise urbana quantitativa padronizada como apoio a pesquisadores com conhecimento local.
An Accurate Parametric Method for Assessing Hydrocarbon Volumetrics: Revisiting the Volumetric Equation
Authors: Ma Y. Z.
Published: June 2018

One of the most-important bases for field-development planning is the estimate of hydrocarbon initially in place (HIIP), which has been traditionally estimated either deterministically or by Monte Carlo simulation. The classical volumetric calculation is the most-common deterministic method, and it requires the use of the averages of the reservoir variables and thus does not model the correlations of the input variables. It is well-known that ignoring the correlations among the reservoir variables can lead to incorrect estimations of hydrocarbon volumetrics. The Monte Carlo method uses the input means in the volumetric equation for random simulation of hydrocarbon volumes, yet allows modeling of the correlation between the input parameters. However, using the means and modeling the correlation of the properties are theoretically conflicting. This paper presents new parametric equations for volumetric calculation using mathematical correlation. Unlike the classical volumetric calculation, these equations are the exact expressions of the rigorous hydrocarbon volumetric equation. We discuss how these new equations enable the quantification of inaccuracy in hydrocarbon volumetric estimation by the classical method. Our examples will further show that the magnitude of inaccuracy of the traditional volumetrics depends on the reservoir characteristics; the inaccuracy is generally more significant for heterogeneous, low-quality, and tight reservoirs than for relatively homogeneous high-quality reservoirs.
Scale Risk Assessment and Novel Coating for Smart Completion: Scale Simulation and CFD Modelling Approach
Authors: Guan Hua , Bouamra Reda , Lindvig Thomas , Vernus Jean-Claude
Published: June 2018

There is an increasing demand in using intelligent well completions such as ICV (Inflow Control Valve) due to increased reservoir and production complexity in subsea fields. Failure of a functional ICV due to scale deposition can cause severe production impairment, R&D efforts therefore implemented to qualify a novel coating material which will be used in ICV to prevent scale formation and adhesion. Depending on the geometry of ICV, scaling deposition risks varies; in general increased carbonate scaling are observed due to greater pressure drop gradient.

This paper firstly evaluates the scaling risks over the field lifetime for a pre-salt carbonate reservoir, much increased scaling potential is identified across the region of the ICV which necessities the use of a novel coating. Special laboratory apparatus that simulate the hydrodynamic conditions is designed and tested based on CFD (Computational Fluid Dynamics) results. Intensive modelling using variety of scale software as well as CFD approach are carried out to assess scale risks over the field lifetime, identify the fluid dynamic behavior around the ICV and to investigate the scale formation and adhesion mechanisms and differences onto non-coated vs. coated surfaces. Comparative CFD modelling and laboratory testing results on coated and non-coated surfaces illustrates the much reduced scale accumulation and depositions onto coated materials. CFD modelling of the non-coated vs. coated coupon reactor indicates that the coated surface introduce higher velocity and less turbulence kinetic energy therefore reduce or eliminate surface accumulation and adhesion of scale particles. Lower velocity is observed upstream the ICV choke and around the inflow point, these areas are more prone for scale formation which leads to solid accumulation in the near wellbore region.

This paper highlights the advantages of using advanced modelling techniques (including CFD and integrated PipeSim-ScaleChem models) to assist the selection of realistic testing conditions, to guide the high value test equipment design and to reveal the scaling mechanisms. The implementation of this novel technology helps to mitigate scaling problem and enhance the service longevity of smart completion tool, in particularly for severe scaling fields.
Relationship between value added capital employed, value added human capital, structural capital value added and financial performance
Authors: Garlinia Yudawisastra Helin , T. H. Manurung Daniel , Husnatarina Fitria
Published: June 2018

Companies that can survive are companies that need to quickly change its strategy from a business based on labor towards knowledge-based business, so that the main characteristics of the company are changed towards a science-based company. This study examines the relationship of value added capital employed, value-added human capital, structural capital value added and financial performance. The method of this research is purposive sampling with a total of 34 samples analyzed by using Eviews version 9. The result stated that value added capital employed has no effect on return on asset, value added human capital has an effect on return on asset, structural capital value added has an effect on return on asset.