bluuebunny/crossref_metadata_2025 huggingface dataset:
Management by Values in Educational Organizations
Authors: Ceylan Cemil , Aktaş Büşra
Published: April 2020

Management by values (MBV) is a new form of management that creates a collective spirit and provides value-oriented work by combining people in an organization on common grounds. Even though existing research recognizes the importance of MBV in companies, less is known regarding MBV in educational organizations. This study provides an implementation of MBV at Istanbul Technical University (ITU) with an aim to increase the sense of belonging, create common organizational culture, reach targets, and perform higher so that the current engineering education provided is improved. The current situation of management at ITU was analyzed and an application method was developed, which was later implemented at Faculty of Management at ITU. Primary data used were collected from students, academicians, and managers of ITU via online surveys and face-to-face interviews. The results indicate that MBV, which has various benefits, should be used in educational organizations to build a more qualified educational environment, to raise more qualified students, and to have more satisfied members.
Supply Chain Disruptions
Authors: Filbeck Greg , Zhao Xin
Published: April 2020

This study expands the work on contagion effects caused by supply chain disruptions beyond the impacted firm and competitors to its customers and suppliers. Using hand-collected data, we analyze the news announcements to determine those that resulted in disruptions in supply, demand, production, inventory, distribution, or transportation at one or more stages of a supply chain across different types of disruptions and across six market segments. Using event study methodology and regression analysis, we find statistically significant negative share price responses to announcement of supply chain disruptions for the affected firm and its competitors, but not for consumer and supplier firms. Competitors in more concentrated industries, with higher growth prospects, or with higher debt ratios, are more impacted by disruptions by peer firms. Customers firms in less competitive industries, who exhibit higher risk, or have overall lower sales react more negatively to disruption announcements.
Archiwa otwarte. O obecności archiwów państwowych w przestrzeni publicznej w kontekście założeń, realizacji i efektów Strategii archiwów państwowych na lata 2010–2020
Authors: Chojecka Joanna
Published: April 2020

Współcześnie, prowadząc politykę otwartego dostępu do zasobu, archiwa w pierwszym rzędzie zaspokajają szerokie potrzeby informacyjne jednostek i zbiorowości. Dysponując wyjątkowym potencjałem, coraz bardziej świadomie mogą kreować potrzeby społeczne, inicjować zdarzenia, oddziaływać na społeczność. Zasada publiczności archiwów staje się jedną z podstawowych zasad współczesnej archiwistyki. Jej założenia determinują działania archiwów, które coraz częściej przesuwają środek ciężkości z prac wewnętrznych na prace publiczne. Nowoczesne archiwum państwowe to przestrzeń dla spotkań i ludzi, w której archiwa są obecne w co najmniej trzech wymiarach: realnym, wirtualnym, emocjonalnym. Wymiar emocjonalny archiwów silnie oddziałuje na ich odbiór, postrzeganie, ocenę, nadaje charakter instytucji i jej wizerunek w społeczeństwie. Aby archiwa w XXI w. stawały się coraz bardziej świadomymi organizacjami, pozytywnie postrzeganymi w społeczeństwie, wymagają dobrego zarządzania, profesjonalnego podejścia i strategicznego planowania we wszystkich obszarach działalności i aktywności. Powinny świadomie dążyć do tego, aby być instytucjami pozytywnie odbieranymi w społeczeństwie, czynnie uczestniczącymi w bieżących wydarzeniach w lokalnych społecznościach, w których działają, włączającymi się aktywnie w wydarzenia organizowane przez innych, nie tylko skupiające się na własnych pomysłach. Dysponując unikatowym zasobem źródeł historycznych, połączone w sieci archiwów państwowych, powinny być atrakcyjnym partnerem dla wielu instytucji i organizacji, dla szkół, dla lokalnych władz. Budowanie pozytywnego wizerunku w społeczeństwie to realne wyzwanie, swoiste to be or not to be archiwum i skupionych w nich archiwistów. Zmiany w obszarze wizerunkowym mogą ułatwić archiwom funkcjonowanie w obliczu kolejnych wyzwań, niemniej konieczność tej zmiany archiwiści muszą najpierw zaakceptować, a sam proces zmian rozpocząć od siebie samych.
4.0 IR, Oversize Economy and the Extinction of Mammoth Companies
Authors: Brondoni Silvio M.
Published: April 2020

The 4th Industrial Revolution (4.0 IR), fundamentally disrupts the technologies characterizing the first three industrial revolutions. In the nowadays global management phase (competitive globalisation), the business model based on excess supply (i.e., over-supply model, in which competitors face volatile production and progressively falling prices) is now inadequate for aggressive global corporate policies. Producing more and wasting less require today a new global business model based on the progressive disappearance of marginal global companies (oversize economy, characterized by lower production and sales costs, and by large company size). Standardized production has now fallen into a crisis that drives companies towards 4.0 technologies i.e., in the pursuit of new conditions of efficiency that are more open to innovation, towards productive flexibility, and even towards competitive imitation.
Motivating People to Be Physically Active
Authors: Marcus Bess H. , Forsyth LeighAnn H.
Published: April 2020

Motivating People to Be Physically Active, Second Edition, translates research, theories, and concepts of behavioral science into a useful handbook for health professionals involved in the planning, development, implementation, or evaluation of physical activity promotion programs. The book describes proven methods for helping people overcome sedentary behavior and make physical activity a regular part of their lives.

Based on the five-stage model of motivational readiness for change, this comprehensive reference will help you design intervention programs for individuals and groups in both worksite and community settings. This behavior change method can be used with healthy adults as well as those with chronic physical or psychological conditions. You'll also learn to measure and improve clients' motivation and assess their physical activity patterns and barriers.

The second edition has been fully updated and expanded to include these features:

- An updated chapter that discusses and compares the recent physical activity recommendations of the Centers for Disease Control and Prevention, the American College of Sports Medicine, and the Institute of Medicine and presents the pros and cons of the recommendations for key populations

- An expanded description of the benefits of a physically active lifestyle

- Information on how technology, including accelerometers, and Web-based intervention strategies can be used in changing physical activity behavior

Motivating People to Be Physically Active, Second Edition, contains many practical tools and ideas to assist you in program implementation. You'll find reproducible questionnaires, worksheets, logs, and more to assist clients in their transition to active living. The book includes case studies of successful community and worksite programs that can serve as a starting point for your own interventions and stage-specific strategies and recommendations for including and motivating all participants. The authors also provide a list of suggested readings that you can use to enhance your programs. Web addresses and phone numbers of physical activity organizations are included, which can provide you with additional information and resources.

With its focus on psychological and behavioral research and accessible reading style, Motivating People to Be Physically Active, Second Edition, is the essential resource for physical activity behavior modification. In addition to allowing you to design effective intervention programs, its many program ideas, tips, and tools spark your motivation to educate and encourage others to lead a more active and healthier lifestyle.

Motivating People to Be Physically Active, Second Edition, is part of the Physical Activity Intervention Series (PAIS). This timely series provides useful educational resources for professionals interested in promoting and implementing physical activity programs to a diverse and often resistant population.
Growth, Maturation, and Physical Activity
Authors: Malina Robert M , Bouchard Claude , Bar-Or Oded
Published: April 2020

The second edition of Growth, Maturation, and Physical Activity has been expanded with almost 300 new pages of material, making it the most comprehensive text on the biological growth, maturation, physical performance, and physical activity of children and adolescents. The new edition retains all the best features of the original text, including the helpful outlines at the beginning of each chapter that allow students to review major concepts. This edition features updates on basic content, expanded and modified chapters, and the latest research findings to meet the needs of upper undergraduate and graduate students as well as researchers and professionals working with children and young adults. The second edition also includes these new features:

- 10 lab activities that encourage students to investigate subject matter outside of class and save teachers time

- A complete reference list at the end of each chapter

- Chapter-ending summaries to make the review process easy for students

- New chapters that contain updates on thermoregulation, methods for the assessment of physical activity, undernutrition, obesity, children with clinical conditions, and trends in growth and performance

- Discussions that span current problems in public health, such as the quantification of physical activity and energy expenditure, persistent undernutrition in developing countries, and the obesity epidemic in developed countries

The authors are three of the world's foremost authorities on children's growth and development. In 29 chapters, they address introductory concepts and prenatal growth, postnatal growth, functional development, biological maturation, influencing factors in growth, maturation and development, and specific applications to public health and sport. In addition, secular trends in growth, maturation, and performance over the past 150 years are considered. You'll be able to recognize risk factors that may affect young athletes; you'll also be able to make informed decisions about appropriate physical activities, program delivery, and performance expectations.

Growth, Maturation, and Physical Activity, Second Edition, covers many additional topics, including new techniques for the assessment of body composition, the latest advances in the study of skeletal muscle, the human genome, the hormonal regulation of growth and maturation, clarification of dietary reference intakes, and the study of risk factors for several adult diseases. This is the only text to focus on the biological growth and maturation process of children and adolescents as it relates to physical activity and performance. With over 300 new pages of material, this text expertly builds on the successful first edition.
Ducting of incoherent scatter radar waves by field-aligned irregularities
Authors: Rietveld Michael T. , Senior Andrew
Published: April 2020

Abstract. We provide an explanation for a mysterious phenomenon that has been recognized in recent years in EISCAT UHF incoherent scatter radar (ISR) measurement during many high power HF ionospheric pumping experiments. The phenomenon is an apparent increase in electron density observed above the HF reflection altitude, extending up to the observable limits usually in the range 400–650 km, as shown in several publications in recent years. It was shown by Senior et al. (2013) that several examples of these enhanced backscatter could not be explained by increases in electron density. A summary of characteristics of the backscatter enhancements is presented as well as the results of a survey of events. We propose that medium- to large-scale HF-induced field-aligned irregularities (tens to hundreds of m scale) act to refract the radar signals along the magnetic field, thereby acting as a guide so that the free-space r2 spreading of the signals no longer applies. The nature of the irregularities and the physical mechanism of their production by powerful HF waves is an exciting topic for future research since, surprisingly, they appear to be preferentially excited by X-mode waves. The explanation proposed here involving HF-induced irregularities may well apply to other ISR observations of the ionosphere in the presence of specific natural irregularities.
Rapid waxing and waning of Beringian ice sheet reconcile glacial climate records from around North Pacific
Authors: Zhang Zhongshi , Yan Qing , Zhang Ran , Colleoni Florence , Ramstein Gilles , Dai Gaowen , Jakobsson Martin , O'Regan Matt , Liess Stefan , Rousseau Denis-Didier , Wu Naiqing , Farmer Elizabeth J. , Contoux Camille , Guo Chuncheng , Tan Ning , Guo Zhengtang
Published: April 2020

Abstract. Throughout the Pleistocene the Earth has experienced pronounced glacial-interglacial cycles, which have been debated for decades. One concept widely held is that during most glacials only the Laurentide-Eurasian ice sheets across North America and Northwest Eurasia became expansive, while Northeast Siberia-Beringia remained ice-sheet-free. However, the recognition of glacial landforms and deposits on Northeast Siberia-Beringia and off the Siberian continental shelf is beginning to call into question this paradigm. Here, we combine climate and ice sheet modelling with well-dated paleoclimate records from the mid-to-high latitude North Pacific to demonstrate the episodic occurrences of an ice sheet across Northeast Siberia-Beringia. Our simulations first show that the paleoclimate records are irreconcilable with the established paradigm of Laurentide-Eurasia-only ice sheets, and then reveal that a Beringian ice sheet over Northeast Siberia-Beringia causes feedbacks between atmosphere and ocean, the result of which better explains these climate records from around the North Pacific during the past four glacial-interglacial cycles. Our simulations propose an alternative scenario for NH ice sheet evolution, which involves the rapid waxing and waning of the Beringian ice sheet alongside the growth of the Laurentide-Eurasian ice sheets. The new scenario settles the long-standing discrepancies between the direct glacial evidence and the climate evolution from around the mid-to-high latitude North Pacific. It depicts a high complexity in glacial climates and has important implications for our understanding of the dispersal of prehistoric humans through Beringia into North America.
DSCOVR/EPIC-derived global hourly/daily downward shortwave and
photosynthetically active radiation data at 0.1° × 0.1° resolution
Authors: Hao Dalei , Asrar Ghassem R. , Zeng Yelu , Zhu Qing , Wen Jianguang , Xiao Qing , Chen Min
Published: April 2020

Abstract. Downward shortwave radiation (SW) and photosynthetically active radiation (PAR) play crucial roles in Earth system dynamics. Spaceborne remote sensing techniques provide a unique means for mapping accurate spatio-temporally-continuous SW/PAR, globally. However, any individual polar-orbiting or geostationary satellite cannot satisfy the desired high temporal resolution (sub-daily) and global coverage simultaneously, while integrating and fusing multi-source data from complementary satellites/sensors is challenging because of co-registration, inter-calibration, near real-time data delivery and the effects of discrepancies in orbital geometry. The Earth Polychromatic Imaging Camera (EPIC) onboard the Deep Space Climate Observatory (DSCOVR), launched in February 2015, offers an unprecedented possibility to bridge the gap between high temporal resolution and global coverage, and characterize the diurnal cycles of SW/PAR globally. In this study, we adopted a suite of well-validated data-driven machine-learning models to generate the first global land products of SW/PAR, from June 2015 to June 2019, based on DSCOVR/EPIC data. The derived products have high temporal resolution (hourly) and medium spatial resolution (0.1° × 0.1°), and include estimates of the direct and diffuse components of SW/PAR. We used independently widely-distributed ground station data from the Baseline Surface Radiation Network (BSRN), the Surface Radiation Budget Network (SURFRAD), NOAA's Global Monitoring Division and the U.S. Department of Energy’s Atmospheric System Research (ASR) program to evaluate the performance of our products, and further analyzed and compared the spatio-temporal characteristics of the derived products with the benchmarking Clouds and the Earth's Radiant Energy System Synoptic (CERES) data. We found both the hourly and daily products to be consistent with ground-based observations (e.g., hourly and daily total SWs have low biases of −3.96 and −0.71 W/m2 and root mean square errors (RMSEs) of 103.50 and 35.40 W/m2, respectively). The developed products capture the complex spatio-temporal patterns well and accurately track substantial diurnal, monthly, and seasonal variations of SW/PAR when compared to CERES data. They provide a reliable and valuable alternative for solar photovoltaic applications worldwide and can be used to improve our understanding of the diurnal and seasonal variabilities of the terrestrial water, carbon and energy fluxes at various spatial scales. The products are freely available at https://doi.org/10.25584/1595069 (Hao et al., 2020).
A volumetric census of the Barents Sea in a changing climate
Authors: Watelet Sylvain , Skagseth Øystein , Lien Vidar S. , Sagen Helge , Østensen Øivind , Ivshin Viktor , Beckers Jean-Marie
Published: April 2020

Abstract. Due to its location between the Norwegian Sea and the Arctic Ocean, the Barents Sea is one of the main pathways of the Atlantic Meridional Overturning Circulation. Changes in its water masses potentially affect the thermohaline circulation through the alteration of the dense water formation process. In order to prospect such changes, we present here a seasonal atlas of the Barents Sea including both temperature and salinity for the period 1965–2016. The atlas is built as a compilation of datasets from the World Ocean Database, the Polar Branch of Russian Federal Research Institute of Fisheries and Oceanography, and the Norwegian Polar Institute using the Data-Interpolating Variational Analysis (DIVA) tool. DIVA allows for a minimization of the expected error with respect to the true field. The atlas is used to provide a volumetric analysis of water mass characteristics and an estimation of the ocean heat and freshwater contents. The results show a recent Atlantification of the Barents Sea, i.e. a general increase of both temperature and salinity, while its density remains stable. The atlas is made freely accessible as user-friendly NetCDF files to encourage further research in the Barents Sea physics (https://doi.org/10.21335/NMDC-2058021735, Watelet et al. (2020)).
TIER version 1.0: an open-source Topographically InformEd Regression (TIER) model to estimate spatial meteorological fields
Authors: Newman Andrew J. , Clark Martyn P.
Published: April 2020

Abstract. This paper introduces the Topographically
InformEd Regression (TIER) model, which uses
terrain attributes in a regression framework to distribute in situ observations of
precipitation and temperature to a grid. The framework enables our
understanding of complex atmospheric processes (e.g., orographic
precipitation) to be encoded into a statistical model in an easy-to-understand
manner. TIER is developed in a modular fashion with key model
parameters exposed to the user. This enables the user community to easily
explore the impacts of our methodological choices made to distribute sparse,
irregularly spaced observations to a grid in a systematic fashion. The
modular design allows incorporating new capabilities in TIER. Intermediate
processing variables are also output to provide a more complete
understanding of the algorithm and any algorithmic changes. The framework
also provides uncertainty estimates. This paper presents a brief model
evaluation and demonstrates that the TIER algorithm is functioning as
expected. Several variations in model parameters and changes in the
distributed variables are described. A key conclusion is that seemingly
small changes in a model parameter result in large changes to the final
distributed fields and their associated uncertainty estimates.
ML-SWAN-v1: a hybrid machine learning framework for the
prediction of daily surface water nutrient concentrations
Authors: Wang Benya , Hipsey Matthew R. , Oldham Carolyn
Published: April 2020

Abstract. Nutrient data from catchments discharging to receiving waters are necessary to monitor and manage water quality, however, they are often sparse in time and space and have non-linear responses to environmental factors, making it difficult to systematically analyse long- and short-term trends and undertake nutrient budgets. To address these challenges, we developed a hybrid machine learning (ML) framework that first separated baseflow and quickflow from total flow, and then generated data for missing nutrient species, using relationships with hydrological data, rainfall, and temporal data. The generated nutrient data were then included as additional variables in a final simulation of tributary water quality. Hybrid random forest (RF) and gradient boosting machines (GBM) models were employed and their performance compared with a linear model, a multivariate weighted regression model and stand-alone RF and GBM models that did not pre-generate nutrient data. The six models were used to predict TN, TP, NH3, dissolved organic carbon (DOC), dissolved organic nitrogen (DON), and filterable reactive phosphorus (FRP) discharged from two study sites in Western Australia: Ellen Brook (small and ephemeral) and the Murray River (large and perennial). Our results showed that the hybrid RF and GBM models had significantly higher accuracy and lower prediction uncertainty for almost all nutrient species across the two sites. We demonstrated that the hybrid model provides a flexible method to combine data of varied resolution and quality, and is accurate for the prediction of responses of surface water nutrient concentrations to hydrologic variability.
A simple methodology to detect and quantify wind power ramps
Authors: Cheneka Bedassa R. , Watson Simon J. , Basu Sukanta
Published: April 2020

Abstract. Knowledge about the expected duration and intensity of wind power ramps is important when planning the integration of wind power production into an electricity network. How to detect and classify wind power ramps is not straightforward due to the large range of events that are observed and the stochastic nature of the wind. The development of an algorithm that can detect and classify wind power ramps is thus of some benefit to the wind energy community. In this study, we describe a relatively simple methodology using a wavelet transform to discriminate ramp events above stochastic variations using randomly shuffled wind power surrogates. To illustrate our approach, we used aggregated Belgian offshore wind power production data to characterise wind power ramps over a period of 10 days. We further illustrate the utility of the methodology by extracting distributions of ramp rates and their duration using two years of wind power production data. This brief study showed that there was a strong correlation between ramp rate and ramp duration, especially for up-ramps, that the majority of ramp events were less than 15 hours with a median duration of around eight hours and that ramps with a duration of more than a day were rare.
Teachers’ Views on the Digital Divide in Greece: A Qualitative Approach
Authors: Giavrimis Panagiotis Efstratios , Nikolaou Souzanna-Maria
Published: April 2020

The purpose of this study is to investigate teachers’ views on the digital divide and its implications in the field of Primary education in Greece. The research questions were related to the conceptualization of the digital divide by teachers, its consequences and the role of teachers. A total of 22 elementary school teachers were selected out of which 8 were male and 14 were female. The semi-structured interview was used as a research tool and an interview guide was developed that had four themes. The first theme concerned teachers' conceptualizations on the digital divide, the second theme was related to the use of ICT in education, The third theme was about the consequences of the digital divide and the fourth theme included questions about how to deal with the digital divide. The results conclude that the teachers: a) signify the digital divide in a comprehensible way, distinguishing its forms, the factors that influence it, and their implications in their daily social life and educational practice, b) refer to the social inequalities being created in the social environment and c) education policy in Greece is often not supportive of teachers’ work.
Teatro Inverso’s Rosaura: Recasting La vida es sueño through Storytelling
Authors: Nieto-Cuebas Glenda Y. , Cowling Erin Alice
Published: April 2020

In a world where, paradoxically, increased communication via social networks has caused a rise in physical isolation, stories bring people back together. The theater, however, still allows people to partake in a shared experience. To this end Teatro Inverso has created a theory of Bodily Poetics: the understanding of how the actors’ bodies create the space onstage in connection with the poetry of the words and their actions. The theory was used to create an adaptation of La vida es sueño by Calderón de la Barca, Rosaura, which focuses on the female characters and their connections to each other, the action of the play, and their raw emotions. This article discusses the different ways in which storytelling is being used by Teatro Inverso to create adaptations that speak to their modern audiences.
The Historical and Its Discontents: Nietzsche and Benjamin Against “Historicism”
Authors: Wu Yi
Published: April 2020

Representations of historicism as the loss of meaning in history and critiques of historicism as the critique of such a loss had been pervasive from the late nineteenth century until World War II. Among historicism’s most powerful and representative critics were the young Friedrich Nietzsche and Walter Benjamin in his Parisian exile. This essay seeks to trace from Nietzsche to Benjamin an unbroken yet growing line of critique of historicism—as the “sickness of time” from which modernity both suffers and has been trying to recover. Two attempts at such a recovery will be examined and juxtaposed: Nietzsche’s “On the Uses and Disadvantages of History for Life” and Benjamin’s “Theses on the Philosophy of History.” By thus situating both historicism and its critiques within the desires and anxieties of modernity, this essay tries to delineate and to understand the peculiarly modernist shapes assumed by the historical and its discontents.
Widersprüchlichkeiten bei der sozialen Absicherung des Wohnens. Policy-Inkohärenzen zwischen Grundsicherung und Wohngeld – Befunde und Reformvorschläge
Authors: Cischinsky Holger , Krapp Max-Christopher
Published: April 2020

Sowohl die Grundsicherung als auch das vorrangig in Anspruch zu nehmende Wohngeld zielen auf die soziale Absicherung des Wohnens. Allerdings gehen beide Transfersysteme mit unterschiedlichen administrativen Zuständigkeiten, divergierenden Zielgruppenabgrenzungen und voneinander abweichenden Verfahren der Leistungsberechnung und -gewährung einher. Für die Betroffenen äußern sich diese Unterschiede u. a. in unterschiedlichen Anreizsystemen in Bezug auf die Wohnungswahl, aber auch darin, dass beide Systeme unterschiedlich stark in die persönliche Lebensführung und -gestaltung eingreifen. Problematisch werden diese Policy-Inkohärenzen insbesondere dann, wenn Wechsel zwischen den Systemen allein durch die unterschiedlichen Fortschreibungsregularien verursacht werden, mittels derer die Grundsicherung und das Wohngeld auf allgemeine Preis- und Mietensteigerungen reagieren. Der Beitrag deckt diese Inkohärenzen und deren Folgen für Betroffene auf, unterbreitet Vorschläge zur Reduzierung derartiger Systemwechsel und bewertet vor diesem Hintergrund die jüngst beschlossene Dynamisierung des Wohngelds.
Assessment of the Relationship Between Iron Overload Based on Cardiac T2* MRI and Fragmented QRS in Beta-Thalassemia Major Patients
Authors: Ghandi Yazdan , Habibi Danial , Eghbali Aziz
Published: April 2020

Background: Cardiac involvement in beta-thalassemia major patients is an important cause of mortality. Therefore, in these patients, timely diagnosis of cardiac disorder is essential. Objectives: The present study aimed at determining the association between cardiac iron overload and fragmented QRS (fQRS). Methods: This cross-sectional study was conducted on 40 β-TM patients, aged 5 - 40 years. The presence of fQRS was evaluated in 12-lead surface electrocardiograms. Cardiac T2* MRI was performed to determine the iron overload. The patients were divided into four groups of chelation therapy. Results: The mean age of patients was reported to be 22.50 ± 6.75 years. The groups showed no significant difference regarding gender, age, or left ventricular ejection fraction. The presence of fQRS was detected in 10 patients (25%), while T2* value was lower than 20 ms in 10 patients (25%). The mean age of patients with and without fQRS was 26.23 ± 2.71 and 19.40 ± 2.61 years, respectively (P = 0.001). The univariate analysis indicated that fQRS had a significant relationship with cardiac iron overload (OR = 5; 95% CI: 1.04 - 23.99; P < 0.044). The multiple logistic regression analysis represented a significant association between iron overload and fQRS (OR = 5.556; 95% CI: 1.027 - 30.049). The sensitivity and specificity of the fQRS against MRI were equal to 50% and 83.3% respectively. Conclusions: The absence of fQRS on ECGs could be a good predictor of the lack of cardiac iron overload in β-TM patients. The results showed that fQRS might indicate the no need for close monitoring for cardiac overload with cardiac MRI and aggressive chelation therapy.
Covid-19: calamidade pública
Authors: Macedo Júnior Adriano Menino de
Published: April 2020

O presente artigo intitulado “COVID-19: CALAMIDADE PÚBLICA” tem como objetivo principal identificar as questões mais importantes relacionadas a pandemia propaganda pelo COVID-19, a saber: suas principais características, o lugar de origem e suas possíveis causas, as sintomáticas da doença, os cuidados e profilaxia assim como as taxas de mortalidade, infecção e propagação. Tratou-se de uma pesquisa exploratória de caráter qualitativo a qual contou com um referencial teórico que serviu para dar suporte e validade científica. Como resultado apontou os avanços conseguidos até o momento assim como informações pertinentes ao que já se sabe sobre a doença e seu agente patológico, mas também sinalizando para a necessidade de um maior estudo sobre a temática o que levará a um melhor trato nas ações medicamentosas, no controle e no combate a pandemia.
Gouverner l’investissement public par la comptabilité
Authors: Piron1 Damien
Published: April 2020

Cette contribution retrace la généalogie du traitement comptable du partenariat public-privé (PPP) en Europe. Elle démontre que la possibilité de déconsolider les PPP des budgets publics a joué un rôle décisif dans la diffusion de ces montages parmi les États soucieux de mener une politique dynamique d’investissement public dans le contexte de surveillance budgétaire stricte de l’Union économique et monétaire. Le renforcement ultérieur des conditions de déconsolidation et la convergence des systèmes de comptabilité privée, publique et nationale fragilisent toutefois les pouvoirs publics, qui sont aujourd’hui plus que jamais tenus de répondre aux exigences de rendement financier des investisseurs privés lorsqu’ils souhaitent financer leurs services et infrastructures publics au moyen de cet instrument.
Push, Press, Become: Tactility Linked to Identity Configurations in Video Games
Authors: Belmonte Avila Juan F.
Published: April 2020

Cultural Studies and Game Studies analyses of video games often pay attention to the rules that articulate these media texts, the computer code used to write these games, and the visual and aural components utilised to represent game worlds and, sometimes, tell stories. All of these elements have a definite impact on the ways ideology is produced and reproduced by video games and, yet, the tactile interactions required to play games are often forgotten. This article highlights the importance of tactility when analysing identity discourses present in video games and expands forms of understanding representation beyond visual and sound-based components.
Effectiveness of Otago Exercise on Health Status and Risk of Fall Among Elderly with Chronic Illness
Authors: Kiik Stefanus Mendes , Vanchapo Antonius Rino , Elfrida Maria Fitrya , Nuwa Muhammad Saleh , Sakinah Siti
Published: April 2020

Falls are a serious consequence of declining physical function. Otago exercise is a strength and balance training program designed to prevent falls and enhance health status among the elderly. This study aimed to investigate the effect of a 12-week Otago exercise intended to reduce the risk of falls and health status among the elderly with chronic illness in the social elderly institution. This quasi-experimental study employed a pre- and post-test design using a control group. The study involved an intervention group (21 respondents) and a control group (21 respondents). The sample used in this study were elderly living in a social elderly institution. The sample was selected using simple random sampling. The data were analyzed using Mann–Whitney test, independent t-test, and Chi-square test. Otago exercise significantly reduced the respondents’ risk of falling and enhanced their health status. Significant differences were observed between the two groups in terms of the risk of fall (p= 0.041) and health status (p= 0.011). Otago exercise significantly improves the health status and reduces the risk of falling among elderly with chronic illness. The exercise can be recommended for older adults with chronic illness in social elderly institutions and communities. Abstrak Efektivitas Latihan Otago terhadap Status Kesehatan dan Risiko Jatuh pada Lansia dengan Penyakit Kronik. Jatuh adalah konsekuensi serius dari penurunan fungsi fisik. Latihan Otago adalah program latihan kekuatan dan keseimbangan yang didesain untuk mencegah jatuh dan meningkatkan status kesehatan pada lansia. Penelitian ini bertujuan untuk menginvestigasi efek 12 minggu latihan Otago untuk menurunkan risiko jatuh dan meningkatkan status kesehatan pada lansia dengan penyakit kronik di Panti Sosial lansia. Penelitian Quasi-eksperimental ini menggunakan pre-post dengan kelompok kontrol. Kelompok intervensi dan kontrol masing-masing terdiri dari 21 responden. Sampel dalam penelitian ini adalah lansia yang tinggal di UPT Kesejahteraan Sosial Lanjut Usia Budi Agung Kupang.  Teknik sampling yang digunakan adalah simpel random sampling. Data dianalisis menggunakan Mann-Whitney test, Independent t-test dan Chi-square test. Latihan Otago secara signifikan menurunkan risiko jatuh dan meningkatkan status kesehatan. Ada perbedaan signifikan antara kedua kelompok dalam hal risiko jatuh (p= .041) dan status kesehatan (p= 0.011).  Latihan Otago secara signifikan menurunkan risiko jatuh dan meningkatkan status kesehatan pada lansia dengan penyakit kronik. Kata Kunci: lansia, latihan Otago, penyakit kronik, risiko jatuh, status kesehatan
Nicotinamide mononucleotide adenylyltransferase uses its NAD+ substrate-binding site to chaperone phosphorylated Tau
Authors: Ma Xiaojuan , Zhu Yi , Lu Jinxia , Xie Jingfei , Li Chong , Shin Woo Shik , Qiang Jiali , Liu Jiaqi , Dou Shuai , Xiao Yi , Wang Chuchu , Jia Chunyu , Long Houfang , Yang Juntao , Fang Yanshan , Jiang Lin , Zhang Yaoyang , Zhang Shengnan , Zhai Rong Grace , Liu Cong , Li Dan
Published: April 2020

Tau hyper-phosphorylation and deposition into neurofibrillary tangles have been found in brains of patients with Alzheimer’s disease (AD) and other tauopathies. Molecular chaperones are involved in regulating the pathological aggregation of phosphorylated Tau (pTau) and modulating disease progression. Here, we report that nicotinamide mononucleotide adenylyltransferase (NMNAT), a well-known NAD+ synthase, serves as a chaperone of pTau to prevent its amyloid aggregation in vitro as well as mitigate its pathology in a fly tauopathy model. By combining NMR spectroscopy, crystallography, single-molecule and computational approaches, we revealed that NMNAT adopts its enzymatic pocket to specifically bind the phosphorylated sites of pTau, which can be competitively disrupted by the enzymatic substrates of NMNAT. Moreover, we found that NMNAT serves as a co-chaperone of Hsp90 for the specific recognition of pTau over Tau. Our work uncovers a dedicated chaperone of pTau and suggests NMNAT as a key node between NAD+ metabolism and Tau homeostasis in aging and neurodegeneration.
The interaction between ubiquitin and yeast polymerase η C terminus does not require the UBZ domain
Authors: Duong Phuong Thi Mai , Bui Anh Thi Ngoc , Kim Seong‐Ok , Park Hee‐Sung , Seo Yeon‐Soo , Choi Byong‐Seok
Published: April 2020

Polymerase η (Polη) is one of the Y‐family polymerases that is recruited by monoubiquitinated proliferating cell nuclear antigen (Ub‐PCNA) to DNA damage sites during translesion synthesis (TLS). This interaction is mediated by an ubiquitin‐binding zinc‐finger (UBZ) domain and a PCNA‐interacting protein (PIP) box in Polη, which binds to ubiquitin and PCNA, respectively. Here, we show that without the UBZ domain, the PIP box of yeast Polη has a novel binding function with ubiquitin. Furthermore, the UBZ domain and the PIP box share the same binding surfaces for ubiquitin. The interaction with ubiquitin via the PIP box stabilizes the Ub‐PCNA/Polη complex. Moreover, the PIP residues I624 and L625 contribute to Polη function in TLS in vivo.
Influence of Ho2O3 on Optimizing Nanostructured Ln2Te6O15Anti‐Glass Phases to Attain Transparent TeO2‐Based Glass‐Ceramics for Mid‐IR Photonic Applications
Authors: Gupta Gaurav , Bysakh Sandip , Balaji Sathravada , Khan Sultan , Biswas Kaushik , Allu Amarnath R. , Annapurna Kalyandurg
Published: April 2020

The transparent TeO2‐based glass‐ceramics (GCs) have yet to achieve the breakthrough in photonic technologies, because of poor understanding in optimizing the growth of nanostructured crystalline phases. In the present investigation, the size effect of phase‐separation‐induced, nanostructured Ln2Te6O15‐based (Ln: Gd, Ho) “anti‐glass” phase in Ho2O3‐modified TeO2‐based TTLG (in mol%, 80TeO210TiO25La2O35Gd2O3) glass has considered to achieve transparent GCs. Raman study of TTLG glass reveals the presence of TeO3, TeO3 + 1, and TeO4 units with average TeO coordination number as 3.49. The formation of nanostructured Ln2Te6O15 phases in GCs is confirmed by X‐ray diffraction (XRD) and transmission electron microscopy (TEM) analysis. Furthermore, TEM analysis confirms that an increase of Ho2O3 concentration has reduced the size of phase‐separated domains in nanoscale with superstructure formation to attain transparent GCs. The superiority of this obtained transparent GCs as photonic material for near‐IR (NIR) to mid‐IR (MIR) range has been established by the realization of enhanced luminescence intensities and bandwidth at ≈2900 nm (Ho3+: 5I6 → 5I7) and ≈2050 nm (Ho3+: 5I7 → 5I8). This study offers an opportunity to fabricate the various accessible lanthanide ions‐doped and/or co‐doped TTLG glass with control over nanostructure, to design a series of GCs which are transparent from visible to MIR range.
Stimuli‐Responsive MXene‐Based Actuators
Authors: Nguyen Van Hiep , Tabassian Rassoul , Oh Saewoong , Nam Sanghee , Mahato Manmatha , Thangasamy Pitchai , Rajabi‐Abhari Araz , Hwang Won‐Jun , Taseer Ashhad Kamal , Oh Il‐Kwon
Published: April 2020

MXenes, a member of 2D inorganic compounds that contain few‐atom‐thick layers of transition metal carbides, nitrides, and polar surface functional groups, are extraordinary materials for many applications including stimuli‐responsive actuators. Here, an extensive review on MXene‐based actuators in comparison with other 2D materials‐based actuators is reported, highlighting the main differences in view of chemical structure, mechanical properties, and electrical functionalities. First, since MXenes are newcomers in the field of actuators, their properties are explained including cation and ionic liquid intercalation, high capacitance, good electrical and thermal conductivity, excellent electromagnetic wave absorption, hydrophilicity, and outstanding dispersion in many polar solvents. Second, electro‐ionic, electrochemical, electrothermal, photothermal, and humidity‐responsive MXene‐based actuators are comprehensively addressed with detailed actuation mechanisms, focusing on electro‐ionic soft actuators. Third, several applications of those actuators are summarized with an emphasis on soft robotics and future directions of MXene‐based actuators are suggested.
Ionic‐Association‐Assisted Viscoelastic Nylon Electrolytes Enable Synchronously Coupled Interface for Solid Batteries
Authors: Zhao Zhiming , Li Fan , Zhao Jingwen , Ding Guoliang , Wang Jinzhi , Du Xiaofan , Zhou Qian , Hou Guangjin , Cui Guanglei
Published: April 2020

Electrolyte/electrode heterointerfaces activated by unhindered charge transfer play an important role in solid‐state and flexible batteries. However, continuous electrochemical cycling and mechanical deformations cause structural dislocation and unwanted reactions. An important challenge is to ensure enduring accurate contact between the battery components. The customization of a highly viscoelastic polyamide (PA, nylon)‐based solid electrolyte to address this key issue is presented. The approach involves the use of concentrated aqueous solutions of bis(trifluoromethane)sulfonimide lithium (LiTFSI) to structurally “unzip” and relink pristine hydrogen‐bonded PA chains by bridged cation–anion association. This elaborately tailored crosslinking technique confers upon the resultant electrolyte a combination of the preferred mechanical characteristics including high viscoelasticity and reversible stretchability, together with outstanding electrochemical performance represented by high ion conductivity (2.7 × 10−4 S cm−1) and high anodic stability (>3 V vs Zn/Zn2+). Flexible batteries with a well‐integrated configuration in which synchronous electrolyte/electrode movement guarantees intimate and compatible interfaces even during extreme deformations and electrochemical stimulations, are further demonstrated. These results reveal a promising opportunity to overcome the bottleneck caused by interfacial defects for next‐generation solid batteries by reconstituting the structure of classical polymers and developing functional electrolytes.
Porous Pd‐PdO Nanotubes for Methanol Electrooxidation
Authors: Wang Tian‐Jiao , Li Fu‐Min , Huang Hao , Yin Shi‐Wei , Chen Pei , Jin Pu‐Jun , Chen Yu
Published: April 2020

Palladium (Pd) nanostructures are highly active non‐platinum anodic electrocatalysts in alkaline direct methanol fuel cells (ADMFCs) and their electrocatalytic performance relies highly on their morphology and composition. Herein, a facile high‐temperature pyrolysis method to synthesize high‐quality Pd‐palladium oxide (PdO) porous nanotubes (PNTs) by using Pd(II)‐dimethylglyoxime complex (Pd(II)‐DMG) nanorods as a self‐template is reported. The chemical component of pyrolysis products highly correlates with pyrolysis temperature. The electrochemical measurements and density functional theory calculations show the existence of PdO enhances the electroactivity of metallic Pd for both methanol oxidation reaction (MOR) and carbon monoxide oxidation reaction in alkaline media. Benefiting from its one‐dimensionally porous architecture and evident synergistic effect between PdO and Pd (e.g., electronic effect and bifunctional mechanism), Pd‐PdO PNTs achieve a 3.7‐fold mass activity enhancement and improved durability for MOR compared to commercial Pd nanocrystals. Considering the simple synthesis, excellent activity, and long‐term stability, Pd‐PdO PNTs may be highly promising anodic electrocatalysts in ADMFCs.
MXene Printing and Patterned Coating for Device Applications
Authors: Zhang Yi‐Zhou , Wang Yang , Jiang Qiu , El‐Demellawi Jehad K. , Kim Hyunho , Alshareef Husam N.
Published: April 2020

As a thriving member of the 2D nanomaterials family, MXenes, i.e., transition metal carbides, nitrides, and carbonitrides, exhibit outstanding electrochemical, electronic, optical, and mechanical properties. They have been exploited in many applications including energy storage, electronics, optoelectronics, biomedicine, sensors, and catalysis. Compared to other 2D materials, MXenes possess a unique set of properties such as high metallic conductivity, excellent dispersion quality, negative surface charge, and hydrophilicity, making them particularly suitable as inks for printing applications. Printing and pre/post‐patterned coating methods represent a whole range of simple, economically efficient, versatile, and eco‐friendly manufacturing techniques for devices based on MXenes. Moreover, printing can allow for complex 3D architectures and multifunctionality that are highly required in various applications. By means of printing and patterned coating, the performance and application range of MXenes can be dramatically increased through careful patterning in three dimensions; thus, printing/coating is not only a device fabrication tool but also an enabling tool for new applications as well as for industrialization.
A Scalable Interfacial Engineering Strategy for a Finely Tunable, Homogeneous MoS2/rGO‐Based HER Catalytic Structure
Authors: Xu Linan , Zhang Yihe , Feng Lili , Li Xin , An Qi
Published: April 2020

The electronic structures and catalytic efficacies of molybdenum disulfide (MoS2)‐based catalysts are sensitive to embedding environment. In order to develop a finely tunable strategy, a “layer‐by‐layer and Nafion capping” strategy for the scalable preparation of interfacial (MoS2)‐based catalytic structures is developed. The study shows that the assembly partner influences the electronic structures of the Zn&N co‐doped (MoS2) (Zn‐N‐(MoS2)) catalysts. Poly(allylamine hydrochloride) (PAH) decreases the catalytic efficacy, whereas when PAH‐rGO (rGO [reduced graphene oxide]) is the assembly partner, effective interfacial catalysts are prepared. The superior catalytic efficacy of (PAH‐rGO/Zn‐N‐(MoS2))n can be attributed to the fact that rGO effectively activates the basal plane S2− as the active sites. The catalytic efficacy of the multilayers at 16 assembly cycles due to a balance between the number of active sites and low resistance. After capping with Nafion layer, the interfacial catalysts exhibit high stability. Compared with the widely used drop‐casting methods, the layer‐by‐layer strategy possesses unique benefits, including fine‐tune the structures, free choice of the partner, and planar homogeneity. It is expected that this layer‐by‐layer catalyst immobilization strategy will benefit fundamental understandings regarding the finely controlled scalable interfacial immobilization of catalysts with superior efficacy, and assist in promoting the practical utilization of various catalysts.