bluuebunny/crossref_metadata_2025 huggingface dataset:
REMOCIÓN DE MERCURIO EMPLEANDO CARBÓN ACTIVADO PREPARADO A PARTIR DE AGUAJE (Mauritia flexuosa)
Authors: Obregón Valencia Daniel , Ilse Acostaa Isabel Díaz , Sun Kou Rosario
Published: July 2020

El objetivo de la presente investigación es aplicar el carbón activado obtenido a partir de semillas de aguaje (Mauritia flexuosa) y aplicarlo para la remoción de mercurio. El carbón activado fue modificado con óxido de manganeso para realizar una comparación entre el carbón modificado y sin modificar. El empleo de ultrasonido y en una solución pH 9 favoreció la fijación del manganeso en la superficie del carbón, lo cual fue determinado empleando las técnicas de DRX y la técnica de ICP OES. Los ensayos cinéticos realizados a un pH 3,5 (encima del potencial de carga cero) con una solución de concentración de 5 ppm de mercurio muestran una mayor capacidad de adsorción para el carbón modificado a pH 9 ajustándose al modelo de pseudo segundo orden. Las isotermas de adsorción indican un comportamiento predominantemente del tipo Freundlich.
Solutions to Expansion of Import-export Financing Operations at Agribank Thanh Hoa in the Process of Participation in Free Trade Agreements
Authors: Huong Tran Thi Thu
Published: July 2020

This research aims to describe solutions to expansion of import-export financing operations at Agribank Thanh Hoa in the process of participation in FTAs (Free Trade Agreements). This paper presents the results of the study titled “Impacts of FTAs on Vietnam’s Economy - Finance”, clarifying the opportunities for and challenges to Vietnam’s economy - finance from joining the FTAs and influences on Vietnam’s commercial banks during the involvement in the FTAs. It also emphasizes the current situation of lending operations in Agribank-Thanh Hoa Branch (hereinafter referred to as Agribank Thanh Hoa), Complete solutions group credit activities financed import-export in Agribank Thanh Hoa, including solutions for executive management, professional solutions group credit for export financing, solutions group strategic human and banking technology and policy solutions for customers.
6.3. The problems of the determinating of the discount rate for the non-public companies
Authors: Темукуева Ж.Х.
Published: July 2020

Целью исследования является разработка модели определения ставки дисконтированная, применимой в условиях слаборазвитого фондового рынка для малого и среднего бизнеса. В работе рассматриваются существующие методы определения ставки дисконтирования. Анализируются их основные недостатки. Также был выведен абсолютно новый метод, основанный на стратегических методах анализа внешней среды организации.

The aim of the study is to develop a discount rate determination model that is applicable in an underdeveloped stock market for small and medium-sized busi-nesses. The paper discusses existing methods for determining the discount rate. Their main disadvantages are analyzed. Also, a completely new method was developed based on strategic methods for analyzing the organization’s external environment.
7.7. FACTOR ANALYSIS OF THE DEVELOPMENT OF RETAIL CHAINS IN THE REPUBLIC OF KAZAKHSTAN
Authors: Шарапаев П.А.
Published: July 2020

В статье проведен анализ развития торговых сетей Республики Казахстан. Выявлены барьеры, которые препятствуют развитию торговых сетей, а также драйверы, способствующие их развитию. Оценка потенциала торговых сетей представлена в виде PEST-анализа, в результате которого определено, что большинство факторов оказывают положительное воздействие на развитие торговых сетей в Республике Казахстан и их конкурентоспособность. Наиболее существенное положительное влияние оказывают технологические, политические и экономические факторы. Наиболее существенное негативное влияние оказывают социальные факторы.

The article analyzes the development of retail net-works in the Republic of Kazakhstan. Barriers that hin-der the development of retail networks, as well as driv-ers that contribute to their development, have been identified. The assessment of the potential of retail chains is presented in the form of a PEST analysis, which determines that most factors have a positive im-pact on the development of retail networks in the Re-public of Kazakhstan and their competitiveness. Tech-nological, political, and economic factors have the most significant positive impact. The most significant negative impact is caused by social factors.
Exploring the Evolution of Stellar Rotation Using Galactic Kinematics
Authors: Angus Ruth , Beane Angus , Price-Whelan Adrian M. , Newton Elisabeth , Curtis Jason L. , Berger Travis , van Saders Jennifer , Kiman Rocio , Foreman-Mackey Daniel , Lu Yuxi (Lucy) , Anderson Lauren , Faherty Jacqueline K.
Published: July 2020

The rotational evolution of cool dwarfs is poorly constrained after ∼1–2 Gyr due to a lack of precise ages and rotation periods for old main-sequence stars. In this work, we use velocity dispersion as an age proxy to reveal the temperature-dependent rotational evolution of low-mass Kepler dwarfs and demonstrate that kinematic ages could be a useful tool for calibrating gyrochronology in the future. We find that a linear gyrochronology model, calibrated to fit the period–

relationship of the Praesepe cluster, does not apply to stars older than around 1 Gyr. Although late K dwarfs spin more slowly than early-K dwarfs when they are young, at old ages, we find that late K dwarfs rotate at the same rate or faster than early-K dwarfs of the same age. This result agrees qualitatively with semiempirical models that vary the rate of surface-to-core angular momentum transport as a function of time and mass. It also aligns with recent observations of stars in the NGC 6811 cluster, which indicate that the surface rotation rates of K dwarfs go through an epoch of inhibited evolution. We find that the oldest Kepler stars with measured rotation periods are late K and early M dwarfs, indicating that these stars maintain spotted surfaces and stay magnetically active longer than more massive stars. Finally, based on their kinematics, we confirm that many rapidly rotating GKM dwarfs are likely to be synchronized binaries.
Physical Characterization of Interstellar Comet 2I/2019 Q4 (Borisov)
Authors: Hui 許 Man-To 文韜 , Ye 葉 Quan-Zhi 泉志 , Föhring Dora , Hung Denise , Tholen David J.
Published: July 2020

We present a study of interstellar comet 2I/2019 Q4 (Borisov) using both preperihelion and postperihelion observations spanning late September 2019 through late January 2020. The intrinsic brightness of the comet was observed to continuously decline throughout the timespan, likely due to the decreasing effective scattering cross-section as a result of volatile sublimation with a slope of −0.43 ± 0.02 km2 d−1. We witnessed no significant change in the slightly reddish color of the comet, with mean values of

,

, and the normalized reflectivity gradient across the g and i bands

% per 103 Å, all unremarkable in the context of solar system comets. Using the available astrometric observations, we confidently detect the nongravitational acceleration of the comet following a shallow heliocentric distance dependence of

. Accordingly, we estimate that the nucleus is most likely

km in radius, and that a fraction of ≳0.2% of the total mass of the nucleus has been eroded due to the sublimation activity since the earliest observation of the comet in 2018 December by the time of perihelion. Our morphology simulation suggests that the dust ejection speed increased from ∼4 m s−1 in 2019 September to ∼7 m s−1 around perihelion for the optically dominant dust grains with

, and that the observable dust grains are no smaller than micron size.
The Structure of Stellar Disks in Isolated Lenticular Galaxies∗
Authors: Sil’chenko Olga K. , Kniazev Alexei Yu. , Chudakova Ekaterina M.
Published: July 2020

We have obtained imaging data in two photometric bands, g and r, for a sample of 42 isolated lenticular galaxies with the Las Cumbres Observatory 1 m telescope network. We have analyzed the structure of their large-scale stellar disks. The parameters of surface-brightness distributions have been determined including the radial profile shapes and disk thicknesses. After inspecting the radial brightness profiles, all of the galaxies have been classified into pure exponential (Type I), truncated (Type II), and antitruncated (Type III) disks. By comparing the derived statistics of the radial profile shapes with our previous sample of cluster S0s, we noted a prominent difference between stellar disks of S0s galaxies in quite rarefied environments and in clusters: it is only in sparse environments that Type II disks, with profile truncations, can be found. This finding implies probable different dynamical history of S0 galaxies in different environments.
Non-LTE Calculations of the Mg i 12.32 μm Line in a Flaring Atmosphere
Authors: Hong Jie , Bai Xianyong , Li Ying , Ding M. D. , Deng Yuanyong
Published: July 2020

The infrared Mg i lines near 12 μm are a pair of emission lines that are magnetically sensitive and have been used to measure solar magnetic fields. Here we calculate the response of the Mg i 12.32 μm line during a flare and find that in our modeling this line has a complicated behavior. At the beginning of the flare heating, this line shows an intensity dimming at the line center. The intensity then increases when heating continues, with increasing contributions from the heated layers in the chromosphere. The line formation height and the line width also increase as a result. As for the polarized line profiles, we find that flare heating tends to decrease the Zeeman splitting width and attenuates the Stokes V lobe intensity. The wider features in the Stokes V profiles are more pronounced during flare heating, which should be considered when performing magnetic field inversions.
The Decaying and Scattering Properties of the d*(2380) Hexaquark Bose–Einstein Condensate Dark Matter
Authors: Chan Man Ho
Published: July 2020

Recently, a study has shown that the Bose–Einstein condensates (BECs) formed by the d*(2380) hexaquarks (d*(2380)-BECs) can be thermally produced in the early universe and they are stable enough to be a competitive candidate for dark matter. Searching for the decaying signature of d*(2380)-BECs is a possible way to verify this dark matter model. In this article, we discuss the scattering and decaying properties of the d*(2380)-BECs and we show that the decay rate of the d*(2380)-BECs is correlated with the TeV cosmic-ray flux. The predicted average decay rate in our Galaxy is several orders of magnitude larger than the current observed upper limit. Therefore, it would be very difficult for us to search for the decaying signature of the d*(2380)-BEC dark matter model. Nevertheless, the size of the d*(2380)-BECs may be large enough to have self-interaction so that we can possibly detect them in the future.
Tracking and Seismological Analysis of Multiple Coronal Loops in an Active Region
Authors: Pascoe D. J. , Smyrli A. , Van Doorsselaere T.
Published: July 2020

We present a new method to track the position and evolution of coronal loops designed for observations such as active regions in which multiple loops appear in close proximity or overlap with each other along the observational line of sight. The method is based on modeling a time–distance map containing one or more loops and fitting the modeled map to observational data, as opposed to the commonly used technique of analyzing each frame independently. This allows us to control the variability of the model, informed by our physical interpretation, and use the trends present to help constrain the model parameters. We apply our method to an observation of a bundle of coronal loops previously investigated using a spatiotemporal autocorrelation method and compare our results. A benefit of our method is that it provides the time series for the position of the loops that may be used for further analysis using established seismological techniques. We demonstrate this by modeling the oscillation of several loops in response to flaring energy releases that occur during the observation, and we find evidence of loop evolution consistent with the Kelvin–Helmholtz instability.
Probing the Intergalactic Turbulence with Fast Radio Bursts
Authors: Xu Siyao , Zhang Bing
Published: July 2020

The turbulence in the diffuse intergalactic medium (IGM) plays an important role in various astrophysical processes across cosmic time, but it is very challenging to constrain its statistical properties both observationally and numerically. Via the statistical analysis of turbulence along different sight lines toward a population of fast radio bursts (FRBs), we demonstrate that FRBs provide a unique tool to probe the intergalactic turbulence. We measure the structure function (SF) of dispersion measures (DMs) of FRBs to study the multiscale electron density fluctuations induced by the intergalactic turbulence. The SF has a large amplitude and a Kolmogorov power-law scaling with angular separations, showing large and correlated DM fluctuations over a range of length scales. Given that the DMs of FRBs are IGM dominated, our result tentatively suggests that the intergalactic turbulence has a Kolmogorov power spectrum and an outer scale on the order of 100 Mpc.
Ecosystem services from mountain forest ecosystems: conceptual framework, approach and challenges
Authors: Glushkova Maria , Zhiyanski Miglena , Nedkov Stoyan , Yaneva Rositsa , Stoeva Lora
Published: July 2020

Mountain ecosystems play an essential role in sustainable mountain development, providing benefits and values to humanity not only for the rich biodiversity they contain, but also because of their important role in climate regulation, water cycle, provisioning of recreation, tourism, cultural or spiritual values. The high biodiversity of the mountain areas allow the provision of a wide range of ecosystem services. However, different impacts to the environment threaten the delivery of these services and, consequently, the quality of life of people, both living in the mountains and outside the mountains. Recognizing, demonstrating and capturing the value of ecosystem services can play an important role in setting policy directions for ecosystem management and conservation and, thus, in increasing the provision of ecosystem services and their contributions to human well-being. Quantifying and mapping of these benefits can also help managers and decision makers to realize the importance of these sites for conservation and to allow the proper understandings of the impacts of mountain forest ecosystems on territorial development and welfare of local populations.

The paper aims to outline the relevance and applicability of the ecosystem services approach for the assessment of the condition of mountain ecosystems and the services, they provide, for better understanding by the scientific community and to support decision makers in sustainable management of mountain regions.
Assessment of Public Awareness of the Forestry Sector: Biodiversity, Certification and Ecosystem Services in Velingrad Municipality
Authors: Tsvetkov Ivan , Atanassov Ivan , Rusanov Krasimir
Published: July 2020

The purpose of this study was to survey the current public awareness in Velingrad Municipality in terms of biodiversity preservation, certification and ecosystem services in the regional forestry sector. The answers to the questions related to the biodiversity and ecosystem services showed good aware- ness and a very positive attitude of respondents regarding the need for conservation and sustainable use of biodiversity as well as the improvement of ecosystem services. According to the conducted surveys, the awareness concerning the certification and standards in the local forestry sector as well as the regional NATURA 2000 protected sites was still weak or lacking.
Productivité des entreprises, technologie et statut exportateur, qu’avons-nous appris des industries égyptiennes ?
Authors: Chaffai Mohamed , Plane Patrick
Published: July 2020

Nous examinons dans quelle mesure le statut exportateur, la technologie et la productivité des entreprises industrielles égyptiennes sont liés. Pour cinq industries (agroalimentaire, chimie, confection, métal, textiles), deux classes de technologie sont statistiquement identifiées à partir de l’estimation des modèles de fonctions de production à classes latentes (LCM). La technologie s’avère être le principal déterminant des écarts de productivité entre les entreprises. La technologie la plus productive est adoptée par une plus grande proportion d’entreprises exportatrices que non exportatrices. En contrôlant pour la technologie, les exportateurs ont par ailleurs des niveaux d’efficacité technique plus élevés. Dans les industries des métaux et des textiles, les jeunes exportateurs surclassent les plus anciens et le statut d’exportateur semble prédéterminé par une longue présence sur le marché intérieur. Codes JEL : D24, L25, L60, O14.
Enfants Sans Frontières. Une perspective alternative pour penser l’aide extérieure à l’éducation
Authors: Mingat Alain
Published: July 2020

Alors qu’une partie des discussions sur l’aide au développement vise l’amélioration de la situation individuelle des enfants (qu’ils soient éduqués, vaccinés, protégés…), les actions engagées sont, pour des raisons pratiques, menées dans des relations entre agences d’aide et pays récipiendaires. Ceci peut conduire à une disjonction entre les intentions génériques et les réalisations concrètes (et créer des difficultés en matière d’équité si la coordination des agences d’aide est « imparfaite »). L’article propose une identification des besoins individuels des enfants en éducation sur une base objectivée et sur un territoire fictif constitué de plusieurs (neuf) pays, les besoins étant évalués indépendamment du pays de résidence. Il est alors possible de confronter le volume des besoins dans chaque pays du territoire considéré avec le volume de l’aide dont il bénéficie effectivement, et de disposer ainsi d’éléments d’évaluation du dispositif global d’aide à l’éducation. Codes JEL : I22, O15.
La relation thérapeutique nous oblige
Authors: Léon Marie
Published: July 2020

L’auteure se penche sur la relation thérapeutique et ce à quoi elle oblige le praticien. Si le savoir et la posture de thérapeute s’acquièrent par la formation et par la supervision, la philosophie, la littérature et d’autres supports artistiques sont aussi des ressources importantes pour s’aventurer et séjourner dans l’univers des patients. Ces supports affinent la sensibilité du thérapeute et l’esthétique de sa posture. Ainsi, c’est par une présence ajustée et par une écoute sensible que la confiance indispensable à l’alliance thérapeutique prendra forme. Une situation clinique illustre ses propos.
Science practical work and its impact on students' science achievement
Authors: Shana Zuhrieh , Abulibdeh Enas S.
Published: July 2020

The purpose of this quasi-experimental study is to evaluate the overall effect of practical work on students’ academic attainment in science. Participants were selected from tenth grade students (chemistry and biology) and eleventh grade students (chemistry), then divided into groups. The control groups were taught using traditional method of teaching science, while the same content was given to the experimental groups using intensive practical work. Pre and post-tests were given to all groups. The mean score comparison revealed a significant difference in the attainment scores of the experimental and control groups. It is thus recommended that students be given ample opportunity to be engaged in practical lessons in secondary schools. This entails that the administration of schools supplies their labs with all equipment needed for practical work to be effectively implemented.SCIENCE PRACTICAL WORK AND ITS IMPACT ON STUDENTS’ SCIENCE ACHIEVEMENT
IT-Architecture for Corporate Knowledge Management Systems
Authors: Liu Zhi-Qin , Deryagin Aleksandr , Glushkov Sergey
Published: July 2020

For the efficient implementation of the corporate knowledge management sys-tems, common elements of their IT architecture, functional role as well as other specific features of their use are to be understood. The objective of the research is to identify common elements of IT architecture in the knowledge management systems in the corporate segment. To identify the common elements of the IT ar-chitecture in the knowledge management systems we have used the method of taxonomic classification of knowledge areas with a complex structure based on the example of a comparative analysis of various software products for corporate training, as well as case studies of this issue using the example of enterprises and organizations in China. We have used data from surveys of employees and com-panies as regards the development prospects of the corporate knowledge man-agement systems. The sample scope is 1000 managers of the companies from Eu-rope, the Middle East, Japan and China. For the taxonomic analysis 42 corporate knowledge management systems have been selected, which are used in training and represented in the world market. The integration of new technologies into business processes has caused the demand for new knowledge management sys-tems. Due to analysis results of 42 corporate knowledge management systems for learning, which are represented in the market, we can state that the majority of them have been developed on the grounds of the use of cloud technologies. In the total structure its share makes up almost 83 %, whereas 17 % refers to the rest of the corporate knowledge management systems for learning, as well as their com-bination. The use of obtained research results in practice is supposed if strategic approaches of the implementation of the corporate knowledge management sys-tems at enterprises of China and other countries are justified.
Improving Strategies for Information-based Educational and Teaching Abilities of Newly Appointed College Teachers Using the TPACK Hierarchical Model
Authors: Lin Hanhui , Huang Muxiong
Published: July 2020

The improvement of strategies for information-based educational and teaching abilities of newly appointed teachers should be substantially investigated urgently based on the policy level of various countries or the reality of colleges and universities. However, from the perspective of the Technological Pedagogical Content Knowledge（TPACK）hierarchy, there are only a few studies on the strategies to improve the information-based educational and teaching abilities of newly appointed teachers. Therefore, this study analyzed the relationships between the three cores and four composite elements, designed the ability improvement strategy corresponding to each element, designed a hierarchical improving strategy which corresponds to 20 training contents, and used quasi-experimental research methods to apply the strategy to the 2019 newly recruited teacher training system of Guangdong University of Finance and Economics. Through the implementation of the training strategy for one semester and effect evaluation, combined with the comparative analysis of the training evaluation data of newly appointed teachers who did not implement this strategy in 2018, it shows that the implementation of the strategy can significantly improve the information-based educational and teaching ability of newly appointed teachers, with good results.
Edu-Kit “Our Coffee” Development on Problem Based Learning Model for Vocational Agribusiness and Agrotechnology Programs on Material Separation Mixture
Authors: Fadilah Sofiana Nur , Marfu'ah Siti , Wonorahardjo Surjani
Published: July 2020

Student achievement in chemistry is relatively low because chemistry topics are not integrated with students’ expertise programs. The lack of variation in teaching material and learning model also reduces the motivation to study chemistry. One of the science-chemistry materials in vocational high schools is separation of mixture, taught in the agribusiness and agro technology specialization programs. Many business sectors such as cafes are starting to stand in the community, requiring coffee serving skills and also knowledge about coffee that can be viewed from the chemistry side. Chemical changes due to coffee cultivation and the processes through which coffee can be consumed can be learned through interactive and communicative teaching materials

One way to present and integrate coffee topics in learning is to develop an Edu-Kit which contains problems in coffee that are integrated with separation of mixture topic. Separation of mixture is contained in the 2013 Curriculum. The choice of problem-based learning models is assessed according to the characteristics of vocational learning, which is to present real problems and solve them while learning the concepts needed. The Edu-Kit development uses the research and development (R&D) method of Borg and Gall. E-book was chosen as an application in the development of Edu-Kit which includes text, sound, picture and video. Validation data were collected from 2 validators and readability tests by students. Data were analyzed using quantitative and qualitative techniques. The effectiveness of the Edu-Kit uses quasi experimental, pretest and posttest designs. There were 62 samples determined by the saturation sampling technique. The sample is divided into two classes, namely the experimental and control classes. Edu-kit effectiveness from posttest scores, analyzed using the Mann Whitney U Test using SPSS. The results of Edu-kit development obtained an average percentage of validation of 91.90% with very decent criteria. While the results of the effectiveness test showed that the use of Edu-kit made students' understanding better in mixed separation material.
Developing Instrument to Measure Student’s Capability for Future Work in Industry 4.0 at Vocational Education Culinary Program
Authors: Dewi Desy Putriana , Soekopitojo Soenar , Larasati Aisyah , Kurniawan Muhamad Farid , Hartanti Era Ria Sofia
Published: July 2020

Contradictions and levels of difficulty in the industrial era 4.0, especially culinary changes occur very quickly which requires humans to have the capability, to become individuals who have the skills to act. This study provides an assessment to measure the capabilities of vocational education students in statistics through instruments that have been designed and examine the competencies and soft skills that affect capabilities for future work in industry 4.0. The instrument was developed through mobile technology using Google Form and this research was conducted using quantitative methods and analyzed by confirmatory factor analysis. A total of 245 respondents from vocational education students in the culinary program were observed using a questionnaire that had been designed. Based on the results of the test analysis of exogenous confirmatory factors and endogenous indicators of capability (literacy, numeracy, ICT, critical and creative thinking, personal and social skills, and ethical understanding) showed significant value, while the reliability relationship with Cronbach alpha showed values> 0.06 which means significant. Based on the results of the goodness of fit test, this research model is fit which that means the mobile-based instruments that have been developed in this study are feasible to test the capabilities of students in vocational education at culinary programs
Zakat, SDGs, and Poverty Alleviation of Muslims in India
Authors: Intezar Mohammad Tariq , Zia Saad Bin
Published: July 2020

Muslims are the largest minority in India, yet the federal government has, in place, just a single Muslim-specific poverty alleviation scheme, which is utterly insufficient to meet their financial needs. Hence, in the face of governmental apathy and indifferent attitude, Muslims are left to fend for themselves. In this scenario, Zakāt turns out to be a more-than-handy tool to alleviate poverty among Muslims in India. Zakāt, over the years, has manifested itself as a successful means to meet out the financial needs of the developmental activities across the level including the non-Muslim countries. Zakāt possesses a robust potential to play a critical role to implement the Sustainable Development Goals (SDGs) to alleviate the poverty of Muslims in a Hindu-majority country like India.
The Impact of Zakah on Malaysian Economic Development
Authors: Laallam Abdelkader , Rafiq Mansha , Harkati Rafik
Published: July 2020

Many Muslim countries use zakah as an element that implies economic changes. This chapter aims to investigate the effect of zakah distribution in the economic development of Malaysia. The chapter is based on a quantitative methodology using statistical procedures, such as multiple regression and Pearson correlation, in order to explain the relationship between zakah and economic development. The findings of this chapter reveal a positive relationship between zakah and GDP as well as zakah and Human Development Index. It also indicates that with every increase in the distribution of zakah, there will be a positive change in the GDP too, further implying that zakah effects economic development in the case of Malaysia.
The Use of Natural Language Processing for Market Orientation on Rare Diseases
Authors: Hölscher Matthias , Buchkremer Rudiger
Published: July 2020

Rare diseases in their entirety have a substantial impact on the healthcare market, as they affect a large number of patients worldwide. Governments provide financial support for diagnosis and treatment. Market orientation is crucial for any market participant to achieve business profitability. However, the market for rare diseases is opaque. The authors compare results from search engines and healthcare databases utilizing natural language processing. The approach starts with an information retrieval process, applying the MeSH thesaurus. The results are prioritized and visualized, using word clouds. In total, the chapter is about the examination of 30 rare diseases and about 500,000 search results in the databases Pubmed, FindZebra, and the search engine Google. The authors compare their results to the search for common diseases. The authors conclude that FindZebra and Google provide relatively good results for the evaluation of therapies and diagnoses. However, the quantity of the findings from professional databases such as Pubmed remains unsurpassed.
B Lymphocyte–Derived CCL7 Augments Neutrophil and Monocyte Recruitment, Exacerbating Acute Kidney Injury
Authors: Inaba Akimichi , Tuong Zewen K. , Riding Alexandra M. , Mathews Rebeccah J. , Martin Jack L. , Saeb-Parsy Kourosh , Clatworthy Menna R.
Published: July 2020

Acute kidney injury (AKI) is a serious condition affecting one fifth of hospital inpatients. B lymphocytes have immunological functions beyond Ab production and may produce cytokines and chemokines that modulate inflammation. In this study, we investigated leukocyte responses in a mouse model of AKI and observed an increase in circulating and kidney B cells, particularly a B220low subset, following AKI. We found that B cells produce the chemokine CCL7, with the potential to facilitate neutrophil and monocyte recruitment to the injured kidney. Siglec-G–deficient mice, which have increased numbers of B220low innate B cells and a lower B cell activation threshold, had increased Ccl7 transcripts, increased neutrophil and monocyte numbers in the kidney, and more severe AKI. CCL7 blockade in mice reduced myeloid cell infiltration into the kidney and ameliorated AKI. In two independent cohorts of human patients with AKI, we observed significantly higher CCL7 transcripts compared with controls, and in a third cohort, we observed an increase in urinary CCL7 levels in AKI, supporting the clinical importance of this pathway. Together, our data suggest that B cells contribute to early sterile inflammation in AKI via the production of leukocyte-recruiting chemokines.
Correlations between the Status of the Umbilical Cord and Neonatal Health Status
Authors: Lee Sun Min , Kim Dong Yeon , Cho Seongmin , Noh Sun Mi , Park Hye Ly , Lee Gyungjoo
Published: July 2020

Purpose: This study aimed to identify correlations between the status of the umbilical cord and neonatal health status.Methods: In total, 172 newborns were enrolled who were admitted to the newborn nursery with a gestational age of 35 weeks or older and a body weight of 2 kg or above. Data were collected on the basic personal information of the newborns, the diameter and soft tissue status of the umbilical cord, and neonatal health status after birth. Analyses were performed using t-test, analysis of variance, x2 test, and Fisher exact test.Results: Umbilical cord diameter exhibited a statistically significant difference by sex (t=2.71, p=.007). A thin umbilical cord diameter was associated with a 1-minute Apgar score less than 8 points (t=2.47, p=.015) and with being transferred to the intensive care unit (t=2.45, p=.015). Poor soft tissue status of the umbilical cord was associated with a 1-minute Apgar score of less than 8 points (x2=16.68, p<.001) and with oxygen being supplied (x2=4.81, p=.028).Conclusion: Assessing the umbilical cord diameter and status in newborns is an important tool for evaluating neonatal health status after birth, and this point also underscores the importance of professionals' careful observations in the newborn nursery.
Philosophical Reflections: Critical Analysis of Learning Strategies for Science Practicum During the COVID-19 Pandemic
Authors: Budiyono Saputro  , Muh Saerozi  , Fadhil Ardhiansyah
Published: July 2020

The purpose of this study is to obtain a critical description of the learning strategy for science practicum during the COVID-19 pandemic. The research method was a qualitative descriptive study. The respondents of this study were lecturers and students of the Natural Sciences within the Indonesia Natural Sciences Tadris Association. The research instruments were in the form of questionnaires and a list of questions related to the learning of science practicum during the COVID-19 pandemic. The results showed the highest percentage of each learning strategy indicator for science practicum used by lecturers as follows: (1) 68.75% for the student center approach, (2) 50% for problem-based learning strategy, (3) 31.25% for self-practicum technique, (4) 31.25% for WhatsApp media, (5) 31.25% for self-assignment evaluation, (6) 93.75% for the indicator of the success of self-practicum, (7) 68.75% social media and signal supporting factors, (8) 31.25% for internet network obstacle, (9) 68.75% for the method to discover the practicum skills by playing the video of student’s results of practicum at home. The recommendation of this study should be carried out independently in each student's home by utilizing tools and materials around their environment and evaluation of learning is done through self-assignments or practicum videos sent to lecturers.
Modelling and Forecasting Climate Time Series with State-Space Model
Authors: Adedotun A. F. , Latunde T. , Odusanya O. A.
Published: July 2020

This study modelled and estimated climatic data using the state-space model. The study was specifically to identify the pattern of the trend movement i.e., increase or decrease in the occurrence of the climatic change; to use of Univariate Kalman Filter for the computation of the likelihood function for climatic projections; to modelling the climatic dataset using the state-space model and to assess the forecasting power of the state-space models. The data used for the work includes temperature and rainfall for periods January 1991 to December 2017. The data are tested for normality. Shapiro-Wilk, Anderson-Darling and Kolmogorov-Smirnov test of normality for the climatic data all showed that the variables are not normally distributed. The work spans the use of breaking trend regression model to fit climatic data to estimate the slopes which show much increase in climatic data has been recorded from the initial time data collection until the present. Investigations and diagnostic are carried out by checking for corrections in the residuals and also checking for periodicity in the residuals. The results of this investigation show significant autocorrelation in the residuals indicating the presence of underlying noise terms which is not accounted for. By treating the residual as an autoregressive moving average (ARMA) process whereby we can obtain its spectral density, the result from the parametric spectral estimate shows underlying periodic patterns for monthly data, thus, leads to a discussion on the need to treat climatic data as a structural time series model. We select appropriate models by considering the goodness of fit of the model by comparing the Akaike information criterion (AIC) values. Parameters are estimated and accomplished with some measures of precision.
A natureza assumida por Deus
Authors: Finelon Vitor Gino
Published: July 2020

Este artigo procura relacionar a teologia litúrgico-sacramental com a ecologia integral. Para isso, analisaremos os artigos 233-237 da carta encíclica Laudato Si’. Nesses artigos, o Papa Francisco desenvolve, em chave ecológica, os seguintes temas litúrgicos: a celebração, ação educativo-espiritual da igreja; a sacramentalidade do cosmos; o valor material dos elementos do setenário sacramental; a eucaristia como maior elevação do cosmos; e, o domingo, dia ecológico-terapêutico. Nosso objetivo, contudo, é mostrar as tarefas deixadas pelo Papa Francisco para a teologia litúrgico-sacramental após a publicação da carta encíclica Laudato Si’. Esperamos ajudar a comunidade teológica a desenvolver os temas da teologia litúrgico-sacramental em conformidade com a ecologia integral. De fato, diante das graves situações socioambientais em que vivemos atualmente, a teologia litúrgico-sacramental, unida às outras instâncias de reflexão teológica, precisa se esforçar para contribuir em sua missão própria, como cume e fonte da vida eclesial, para a renovação da consciência, das práticas e da vida dos fiéis cristãos.
Motivation Factors for Job Satisfaction among Employees of Primary Health Care Centres in Benue State, North Central Nigeria
Authors: Utoo PM , Agishi TV
Published: July 2020

Background: Delivery of effective healthcare for the attainment of health sector goals and objectives requires committed human resource. The aim of the study was to assess the level of satisfaction of Primary Health Care workers in Benue State, to determine knowledge and preferences regarding motivational factors and utilisation of such by their employers to enhance job performance.

Methods: A descriptive cross sectional study was conducted using a multistage sampling technique. Data were obtained via the use of a semi structured self-administered questionnaire. EpiInfo version 3.3.2 statistical software was used to analyse the data.

Results: Over half (63.9%) of the respondents were satisfied with their job due to on the job gain of experiences and prompt payment of salary. Good communication (53.6%) and training opportunities (56.7) were motivating factors in use by their employers. Provision of drugs (59.8%), prompt payment of salaries (55.7%) and promotion of staff (54.6%) were respondent's preferred motivational factors.

Conclusion: Over fifty percent of workers were satisfied with their Jobs. The identified factors responsible for workers motivation and preferences if given adequate attention would positively influence the quality of healthcare. Healthcare Managers should therefore pay close attention to allow employees participate in their decision making. Additionally, ensure availability of work equipment and improvement on workers welfare package to achieve job satisfaction and positive patient outcome.
Awareness, knowledge and contraceptive use among female students in University of Ilorin, Nigeria.
Authors: Abdul I , Imohagene A , Omokanye L , Adesina K , Oguntoye M , Popoola G
Published: July 2020

Background: The success or failure of public health interventions and advocacies depend largely on the effectiveness of the methods used. Awareness and knowledge are two words that are often used interchangeably in the assessment of contraceptive usage as well as attitude and practice. This study sought to know if the difference between knowledge and awareness does affect usage of contraceptives with the intention of recommending the best option for an improved usage.Methods. A cross sectional study design involving 151 female students of the University of Ilorin was conducted. Trained questionnaire administrators administered the structured questionnaire. The questionnaire was coded and analysed with Statistical Package for Social Sciences version 23, IBM Version. Data were analysed using descriptive and inferential statistics. Comparison of proportions at the bi-variate level was done using Chi-square test while stepwise model of binary logistic regression analysis was done at the multivariate level. Data obtained was also analyzed with EPI info 6.0 and Stata version 5.0 applying t-test, Chi Square and Fisher's exact test statistics. Selection of variables to be imputed into the model was carried out if they were significant at the bi-variate level. Adjusted odds ratio and 95% confidence interval were obtained to identify factors that were significantly predicting the use of contraception among respondents. The level of statistical significance was set at p<0.05.Results. The study showed that awareness did not have significant correlation (p>0.75) with use of contraception despite its high level (91.4%) while knowledge had statistically significant correlation (p=0.005). This was higher among those with good knowledge (68.1%) as compared to those with poor knowledge (43.3%). Islam was significantly associated with use of contraception compared to Christianity (p=0.044). At multivariate level, only good knowledge of contraception remained a significant predictor of use of contraception. Students with good knowledge were three times more likely to use contraception as compared to those with poor knowledge (OR=2.411).Conclusion. Awareness was not found to be significantly associated with contraceptive usage as compared to knowledge. Researchers and public health practitioners need to take full advantage of this finding when promoting health care interventions such as family planning by focusing on educating the students rather than awareness promotion alone.
Comparing dietary practices and nutritional status of children on school feeding programme with others in Jos North Local Government Area, Plateau state
Authors: Banwat ME , Fayenuwo JO , Pamtok AO , Okorie CJ , Okoro L , Tagurum YO , Akosu TJ , Chingle MP , Zoakah AI
Published: July 2020

Background: Childhood malnutrition is a public health problem in most developing countries and in Nigeria, to control it the school feeding programme was launched. This study sought to compare dietary practices and nutritional status of school children on the feeding programme with those not included in the programme, in Jos North Local Government Area, North-Central Nigeria.Methods: This school-based comparative cross-sectional study was carried out among 247 pupils selected using a two-staged sampling technique from four public primary schools; two of which were running the National School Feeding Programme. Data was collected and analysed using Statistical Package for Social Sciences version 21.0. A 95% confidence interval was used and a probability value of p ≤ 0.05 was considered statistically significant.Results: There was no statistically significant difference in the nutritional practices of the pupils in both groups (p = 0.3661) and majority of the pupils on the school feeding programme liked the food served because it was palatable. The prevalence of stunting among school-fed pupils was 43.3% compared with 47.5% among the non-school fed pupils (p=0.035). The prevalence of overweight among school-fed pupils was 1.6% compared with 2.5% among those not on the school feeding programme (p = 0.456). The proportion of children with normal weight for height was higher among school-fed pupils (92.1%) compared with the non-school feeding programme group (84.2%) (p=0.035).Conclusion: There was no difference in the dietary practices reported by both groups of pupils; however, nutritional status was better among the school-fed children. It is recommended that the school feeding programme be extended to all public primary schools in Jos North LGA.
Keterlibatan Orangtua dalam Mendukung Peningkatan Prestasi Belajar Anak
Authors: Bunyamin Andi
Published: July 2020

Penelitian ini bertujuan untuk mengungkap dampak dukungan orangtua dan budaya sekolah dalam bentuk tindak pembelajaran guru terhadap peningkatan prestasi belajar anak. Penelitian ini dilakukan dengan menggunakan pendekatan kualitatif-phenomenologis dalam rancangan penelitian multi situs. Hasil penelitian yang berkaitan dengan fokus dukungan orangtua terhadap pendidikan anak menunjukkan bahwa keterlibatan orangtua dalam pendidikan anak didorong oleh rasa cinta-kasih sayang terhadap anak dalam rangka mengemban amanah dari Allah untuk mempersiapkan kehidupan anak yang lebih baik,
Pengaruh Model Pembelajaran Problem Based Learning terhadap Hasil Belajar Ipa Siswa Ditinjau dari Kemampuan Dasar Matematika
Authors: Lestari Dina
Published: July 2020

Penelitian ini bertujuan untuk mengetahui apakah hasil belajar IPA bagi siswa yang belajar dengan pembelajaran problem based learning lebih tinggi daripada siswa yang belajar secara konvensional dan mengetahui siswa yang mempunyai kemampuan dasar matematika tinggi, lebih tinggi daripada siswa yang mempunyai kemampuan dasar matematika rendah. Rancangan penelitian ini adalah quasi experiment (eksperimen semu) desain faktorial 2 x 2. Variabel bebasnya adalah model pembelajaran dan kemampuan dasar matematika. Variabel terikatnya adalah hasil belajar IPA. Hasil penelitian menunjukkan bahwa hasil belajar IPA bagi siswa yang belajar dengan pembelajaran problem based learning lebih tinggi daripada siswa yang belajar secara konvensional dan mempunyai kemampuan dasar matematika tinggi lebih tinggi daripada siswa yang mempunyai kemampuan dasar matematika rendah.
Genre Analysis of International Conference Paper Abstracts
Authors: Djuwari Djuwari
Published: July 2020

The study consists of two parts. The first is to describe the moves, the language function, the most dominant language function, and verbs of process function in the abstracts. The second is to explain how the linguistic elements (grammatical categories), three modalities (certain, probable, and possible), and the non-linguistic elements support the rhetorical and logical moves and the language functions operating in the abstracts. As it is a genre analysis of international conference paper abstracts, the data were taken from the specific discourse community of international conference paper abstracts of SEAAIR conference. Theoretically, this study contributes to a fuller understanding of research on genre of international conference paper abstracts, particularly written by the discourse community of SEAAIR.
Implementasi Model Pembelajaran Berdasarkan Masalah Dipadu dengan Strategi Belajar Peta Konsep untuk Meningkatkan Aktivitas, Kemampuan Berpikir Kritis, dan Hasil Belajar Biologi Siswa
Authors: Fathiyah Fathiyah
Published: July 2020

Penelitian ini bertujuan untuk mengetahui apakah penerapan pembelajaran berdasarkan masalah (PBM) yang dipadu strategi belajar peta konsep dapat meningkatkan aktivitas, kemampuan berpikir kritis, dan hasil belajar biologi siswa kelas VII A SMP Negeri 1 Singosari Kabupaten Malang. Jenis penelitian adalah penelitian tindakan kelas dengan pendekatan kualitatif dalam dua siklus. Setiap siklus meliputi kegiatan perencanaan tindakan, pelaksanaan dan pengamatan tindakan, dan refleksi. Hasil penelitian menunjukkan bahwa persentase aktivitas siswa pada saat penerapan pembelajaran masalah dipadu peta konsep meningkat dari 83,16% pada siklus I menjadi 97,27% pada siklus II. Persentase aktivitas siswa pada saat membuat peta konsep meningkat dari 63,17% pada siklus I menjadi 92,00% pada siklus II. Rata-rata skor kemampuan berpikir kritis meningkat dari 2,58 pada siklus I menjadi 3,3 pada siklus II.