bluuebunny/crossref_metadata_2025 huggingface dataset:
Synthesis of mesoporous carbon from non-biodegradable plastic bags for water purification: methylene blue removal
Authors:   , Henry Kazula
Published: November 2023

In the present work, the mesoporous carbon materials with pore diameter of 14.2 nm and specific surface areas of 15.18 (m2g-1) identified by Brunauer, Emmett, and Teller (BET) were synthesized from non-biodegradable plastic bags (LDPE) wastes using hard template technique with alpha-manganese (IV) oxide by optimizing plastic scraps to α-MnO2 mass ratio i.e. 1:1, 1:2, and 1:3 and temperature between 400°C and 600°C for each sample. Powder X-ray diffraction (XRD) identified the morphological structural order and textural properties of mesoporous carbon to be amorphous. α-MnO2 as template was prepared following literature procedure by redox titration under reflux heating for 24 h. The mesoporous carbon materials were tested for efficiency on Methylene Blue dye removal whereby samples obtained from plastic scraps to α-MnO2 mass ratios of 1:1, 1:2 and 1:3 at a temperature of 400°C and 600°C were used. Mesoporous carbon from plastic scraps to α- MnO2 mass ratio 1:1 at 600 °C suited for further adsorption experiments in batch technique due to its lower absorbance of 0.143 as compared to the rest samples of plastic scraps to α- MnO2 mass ratio. The Langmuir and Freundlich models were used to analyze the equilibrium data that described how mesoporous carbon interacts with Methylene Blue in aqueous solution in adsorption process. Results revealed that the isotherm data fitted Langmuir model with maximum dye adsorption of 1.644 mg/g at 80°C than Freundlich model whereby, the mesoporous carbon material adsorbed over 80% of the Methylene Blue dye in less than 35 min. The results provided evidence that mesoporous carbon is effective for the removal of dyes from aqueous dye solutions and industrial effluents. Also, the work provides another technique to plastic bags recycling into useful material-mesoporous carbon for industrial dye removal by adsorption.
Does The Gender Wage Gap Still Exist in Thailand? An Analysis of Regional and Public-Private Sector Differences
Authors:   , Kanokmaneeporn Kridtapas
Published: November 2023

The gender wage gap has steadily fallen in Thailand over the past thirty years. Although the falling trend has been recognized in previous research (Nakavachara 2010), the regional differences in the gender wage gap and the role of employment sector in explaining the gender wage gap have not been sufficiently explored. This paper utilizes data from the 2001 to 2015 Thai Labor Force Surveys (LFS), collected by the Thai National Statistical Office (NSO), to identify gender wage gap trends across Thailand’s five regions and across the public and private sectors. The results show that the gender wage gap has declined across all five regions, although there is regional variation in the magnitude of the wage gap. Analysis of the wage gap across employment sectors indicates that the there is little wage gap in the public sector, while the wage gaps in the private sector are large but declining across all regions over time. Furthermore, analysis using a Oaxaca-Blinder decomposition indicates that the unexplained portion of the wage gap in the private sector has declined significantly across all regions, suggesting that Thai women are possibly facing less wage discrimination over time.
PRODUCTION SCHEDULING WITH CAPACITY-LOT SIZE AND SEQUENCE CONSIDERATION
Authors:   , Patikarnmonthon Rattapon
Published: November 2023

The General Lotsizing and Scheduling Problem (GLSP) is a method of addressing a common problem found in continuous production planning. The problem involves many constraints including machine capacity, production lot-size, and production sequence. This study proposes a re-formulation of the GLSP divided into two phases known as the General Lotsizing and Scheduling Problem using Two Phases with External Supply (GLSP-TE). Phase one is the Pattern generation with Specific Batch size and Capacity. Phase two is the Production Allocation using Specified Pattern obtained from the production pattern in Phase One. Additionally, external supplies are included in the formulation to reflect the real situation for businesses faced with limited resources. In this study, the justification of the formulation is based on the ability to solve problems and calculation time. The proposed formulation was tested in eight scenarios. The results show that the proposed formulation is more tractable and is better at solving problems than the GLSP. The objective value of GLSP-TE showed improvement up to 70% in high fluctuation scenarios compared to the original GLSP with a defined computational time limit.
Poisson approximation for call function via Stein-Chen’s method
Authors:   , Yonghint Nat
Published: November 2023

A call function is a nonnegative real-valued function defined by hz(v) = (v−z)+ for z " 0 where (v − z)+ = max{v − z, 0}. There are many applications of call function in finance. For example, the standard collateralized debt obligation tranche pricing. In this work, we give bounds of Poisson approximation for hz(V ) where V is a sum of independent nonnegative integer-valued random variables. The technique used is Stein-Chen’s method with the zero bias transformation. Moreover, in case that V is a sum of independent Bernoulli random variables, we improve the bounds of Poisson approximation for hz(V ) by adding some correction terms.
Demographic Dynamics and Characteristics of Urbanization in Albania in the First Decade of Transition: The first steps in shaping the demographic-territorial model of transition
Authors: KAPRATA Gentian
Published: November 2023

The population of Albania in the decade 1989-2001 decreased to about 282 thousand inhabitants, as a result of two phenomena: (i) external migration; and (ii) lowering the fertility rate. Albanian society was also affected by the phenomenon of internal migration that produced: (i) the increase in the level of urbanization of the country; and (ii) demographic imbalance in the territory. Two main trends of internal emigration were distinguished: (i) rural-rural; and (ii) rural-urban. Both of these contributed to the increase in the level of urbanization of the country, and to the imbalance of regions of the country. There were four internal migration trends, of which: (i) three towards the central area of the country; and (ii) one towards the Western Lowlands. All four of these trends (lines) created the imbalance of population distribution, creating: (i) the concentrated region of Tirana-Durres; (ii) the non-partisan Fier-Vlora region; and (iii) the abandoned region that included the other eight counties of the country. The districts of Tirana, Durrës, Vlora and Fier dominate in the attraction of internal migrants, which reached 252,700 people. Only 9 out of 36 districts of the country or 25% of them had a positive demographic balance, while 27 districts or 75% of them suffered a negative balance. The phenomenon of population concentration in large urban centers is present in large cities, but it is especially noticeable in the capital, which grew (i) four times more than the total physical development of 40 years during 1945-1985, as well as (ii) with 151.500 new residents.
The effectiveness of using dance training methods for the education of artistry in athletes in rhythmic gymnastics aged 8-10 years
Authors: Papka Liliia , Golenkova Yuliia , Karpunets Tetiana
Published: November 2023

Background and purpose
Modern trends in artistic gymnastics aim not only to develop the gymnast's ability to perform complex technical elements with their body and apparatus but also to convey the composition's idea and create a unique persona. Exploring the possibility of integrating dance training methods into gymnasts' educational and training process is necessary to nurture artistic mastery. The objective is to determine the effectiveness of incorporating dance training methods in fostering the artistry of gymnasts in the basic training group.
Material and methods
The research was conducted at the Solonitsivska Children's and Youth Sports School "Kolos". The experiment involved 20 athletes from the artistic gymnastics department's basic training group. To obtain high-quality results, the gymnasts were divided into two levels (control (n = 10) and experimental (n = 10)) based on competition outcomes. To achieve the goal and address the tasks set, we employed and applied the following research methods: analysis of scientific-methodical and specialized literature, pedagogical observation, pedagogical testing, pedagogical experiment, and methods of mathematical data processing.
Results
In recent years, rhythmic gymnastics has undergone significant rule changes in competitions, leading to increased demands in assessing artistry, compositional originality, and performance mastery. Alongside the high-level technical skills of gymnasts, artistry is a crucial aspect that has made rhythmic gymnastics popular worldwide. Incorporating various types of dance training into the educational and training process, including choreographic training, contemporary choreography techniques, music and rhythm exercises, musical games, historical and ballroom dance exercises, free-form exercises, improvisation, and pantomime, allows for the elevation of artistic expression in competitive routines. In the experimental group, following the research, a significant improvement was observed in rhythm perception (p<0.05), the quality of plastic movements ("waves") (p<0.01), and performance evaluation of dance combinations (p<0.05). This improvement in performance assessment translated to a significant reduction in deductions for artistic errors and a corresponding increase in scores (p<0.05) during competitions.
Conclusions
The use of dance training tools, which include classical choreography exercises, folk choreography exercises, artistic and stage skill tools, and modern types of choreography, contributes to the development of artistic abilities and artistic expressiveness of gymnasts in basic training groups. A particularly positive effect was noted when performing dance combinations (р<0.05), reproducing an image, motor-plastic expressiveness (р<0.01), developing a sense of rhythm (р<0.05), and improving the quality of competitive activity (р < 0.05).
Dance fitness means in the training process of gymnasts of 6-7 years old
Authors: Kravchuk Tatyana , Sanzharova Nina , Semenova Anastasiia
Published: November 2023

Background and purpose
In rhythmic gymnastics, a wide variety of musical works are used to accompany competition programs, so the use of dance fitness equipment becomes especially relevant. Purpose: application of the technique of combining children's and dance fitness in the educational and training process of gymnasts at the initial stage of training.
Material and methods
12 athletes aged 6-7 years (girls) who train at the in rhythmic gymnastics of the Dnipro City Council, Dnipro. All participants and their parents agreed to participate in the experiment. The experiment was carried out from October 2022 to April 2023. analysis of literary sources, testing of physical fitness (jumping rope for 15 s, torso tilt forward from a sitting position, test "Bridge", mobility in ankle joint, shuttle run 2x10, torso lift in a sit for 30 s, test "Snake run", test "Three rolls forward"), methods of mathematical statistics.
Results
The exercises with elements of children's fitness, dance combinations and steps of Kid's Plastic Art and dance directions Zumba, Hip-Hop Body ballet, Afro Jazz, Latin aerobics in combination with the program of sports training of young gymnasts of the initial stage of training were developed and implemented in the training process. It was found that after the research the sportswomen of both groups confirmed statistically significant improvement of indicators of tests (p<0.05; p<0.01; p<0.001), at carrying out of intergroup comparison of results at the end of the research it was found in the experimental group indicators of tests are significantly higher in comparison with sportswomen of the control group (p<0.05).
Conclusions
The introduction of means of children's and dance fitness into the training process of young gymnasts has a positive influence on physical fitness and emotional state of sportswomen of 6-7 years old.
Integrados por exclusão: negritude e mobilidade em Desde que o samba é samba, de Paulo Lins
Authors: Oliveira Paulo César Silva de
Published: November 2023

Este artigo é um estudo do romance Desde que o samba é samba, de Paulo Lins, e toma o campo literário como espaço de discussão das formações ideológicas em torno da contribuição negra, particularmente do samba, para nossa formação cultural. A integração dos negros em uma sociedade de classes opõe ordem social moderna e ordem estamental, conforme Florestan Fernandes (2007). Neste sentido, o diálogo com o pensamento social toma o romance de Lins como locus privilegiado da discussão sobre as modernidades negras no Brasil e o discurso literário como uma arena de múltiplas narrativas postas em debate.
After Utopia: negotiating hope and fatalism in João Almino’s literary Brasília
Authors: Burt Ben
Published: November 2023

This article examines João Almino’s novels Idéias para onde passar o fim do mundo (1987) and As cinco estações do amor (2001), considering how the author refuses the anti-utopian consensus that defined criticism of Brasília in the late twentieth century. In both works, the Federal District’s legacy of utopian projection is understood to have failed. This same legacy, however, continues to resonate, counterbalancing individual and collective disillusionment. The article argues that Almino’s nuanced, ambiguous portrait of utopianism represents a post-utopian approach to social change that nonetheless meaningfully defies prevailing disregard for utopia at the time of the novels’ publication.
Analisis Warna, Bau, pH, Kekeruhan dan TDS Air Gambut Desa Rimbo Panjang
Authors: Hamid Ardiansyah , Nofrialdi  , Patitis Niken
Published: November 2023

Desa Rimbo Panjang yang sebagian besar merupakan tanah gambut menyebabkan air tanah di daerah tersebut adalah air gambut. Karakteristik utama air gambut bisa dilihat dari warnanya yang merah kecoklatan serta pHnya yang bersifat asam sehingga air gambut tidak dijadikan sebagai sumber air minum. Masyarakat  Desa Rimbo Panjang  menggunakan air gambut untuk aktivitas sehari-hari seperti mandi dan mencuci tanpa diolah terlebih dahulu. Oleh karena itu, dilakukan penelitian untuk melihat karakteristik air gambut berdasarkan parameter warna, bau, pH, TSS, TDS dan dibandingkan dengan Permenkes No. 32 Tahun 2017 tentang Standar Baku Mutu Kesehatan Lingkungan dan Persyaratan Kesehatan Air untuk Keperluan Hygiene Sanitasi, Kolam Renang, Solus per Aqua dan Pemandian Umum. Hasil analisis menunjukkan nilai parameter warna, bau dan pH di luar ambang batas Permenkes No.32 Tahun 2017 sedangkan kekeruhan dan TDS masih dalam standar baku mutu. Berdasarkan hasil analisis terhadap air gambut Rimbo Panjang dan perbandingan dengan Permenkes No.32 Tahun 2017, maka air gambut Rimbo Panjang tidak layak sebagai air untuk keperluan sanitasi.
Pembuatan Glukosa Dari Fibercake Kelapa Sawit Dengan Proses Hidrolisis
Authors: Khairiah Hanifah , Fatmayati Fatmayati
Published: November 2023

Indonesia adalah penghasil minyak kelapa sawit terbesar di dunia, dengan penyebaran hampir di seluruh pulau di Indonesia, termasuk Sumatra. Menurut laporan Kementerian Pertanian (2021), luas areal perkebunan kelapa sawit mencapai 15,08 juta hektare (ha) pada 2021. Riau tercatat sebagai provinsi yang mempunyai perkebunan kelapa sawit terluas di Indonesia, yakni mencapai 2,89 juta ha. Dalam pengolahan minyak kelapa sawit atau crude palm oil (CPO) menghasilkan limbah fiber cake. Hal ini mendorong manusia mengubah limbah fiber cake menjadi glukosa yang nantinya akan lebih berguna sebagai bahan baku suatu produk. Penelitian ini terdiri dari 3 proses, yaitu: persiapan bahan baku, delignifikasi, dan hidrolisis. Penelitian ini bertujuan untuk mengetahui konsentrasi asam sulfat terbaik dengan kandungan glukosa tertinggi, dengan variasi konsentrasi asam sulfat 1%, 2%, 3%, dan 4%. Adapun pengujian yang dilakukan yaitu pengujian selulosa, hemiselulosa, lignin, dan glukosa. Kadar glukosa yang diperoleh dari variasi asam sulfat 1%, 2%, 3%, dan 4% berturut – turut adalah 0,31%, 0,44%, 0,83%, 1,33%. Hasil terbaik didapat pada konsentrasi asam sulfat 4% dengan perolehan kadar glukosa tertinggi, yaitu 1,33%.
Искони бѣ слово: Поклоннически места, свързани с паметта на св. Йоан Богослов
Authors: Трифонова Ива
Published: November 2023

СКОН БѢ СЛОВО: PILGRIMAGE SITES CONNECTED WITH THE MEMORY OF ST. JOHN THE THEOLOGIAN (Summary) The first part of the study is dedicated to the opening words of the Gospel of John (Искони бѣ слово/In the Beginning was the Word), first translated into Slavonic language by Constantine-Cyril the Philosopher. From the theological interpretation of these words, the study moves on to the personality of the apostle and the information about his earthly path – sought in the literary and iconographic mediaeval realia. The second part is devoted to the pilgrimage sites related to the memory of St. John the Theologian in the Bulgarian lands. Twenty temples, documented in the period from the 11th to the beginning of the 21st century, are described. They testify that Christ’s Apostle and Evangelist has been revered consistently and without interruption over the centuries in the Bulgarian Orthodox tradition.
Pengaruh Gaya Kepemimpinan Dan Disiplin Kerja Terhadap Kinerja Karyawan (Studi Pada Batik Modifikasi Mulie.Id Jakarta)
Authors: Mulyadi Mulyadi
Published: November 2023

Penelitian ini bertujuan untuk menginvestigasi pengaruh gaya kepemimpinan dan disiplin kerja terhadap kinerja karyawan di Batik Modifikasi Mulie.Id Jakarta. Persaingan bisnis yang intens dan perkembangan pesat dalam dunia bisnis menekankan pentingnya peran sumber daya manusia (SDM) dalam sebuah perusahaan. SDM dianggap sebagai kemampuan terpadu dari daya pikir dan daya fisik individu, menjadi aspek krusial yang mendukung kelancaran operasional dan pencapaian tujuan perusahaan. Kinerja karyawan dianggap krusial dalam menentukan maju mundurnya suatu perusahaan. Kinerja didefinisikan sebagai hasil kerja dalam kualitas dan kuantitas yang dicapai oleh karyawan sesuai dengan tanggung jawab yang diberikan. Faktor-faktor seperti disiplin kerja, gaya kepemimpinan, dan motivasi berperan penting dalam membentuk kinerja karyawan. Penelitian ini mengambil lokasi di Batik Modifikasi Mulie.Id, Jakarta, dan dilakukan pada periode Oktober 2022 hingga Januari 2023. Populasi penelitian melibatkan seluruh 30 karyawan di perusahaan tersebut. Metode pengambilan sampel menggunakan teknik sensus atau sampling total, melibatkan seluruh anggota populasi sebagai responden. Pengumpulan data dilakukan melalui wawancara dan angket. Analisis data dilakukan dengan metode kuantitatif, termasuk uji validitas, uji reliabilitas, regresi linier sederhana, analisis korelasi, koefisien determinasi, dan uji hipotesis. Hasil penelitian ini diharapkan dapat memberikan pemahaman yang lebih dalam tentang bagaimana gaya kepemimpinan dan disiplin kerja mempengaruhi kinerja karyawan di Batik Modifikasi Mulie.Id. Implikasi dari penelitian ini dapat membantu perusahaan dalam meningkatkan strategi manajemen sumber daya manusia, memperbaiki gaya kepemimpinan, dan memperkuat disiplin kerja untuk meningkatkan kinerja karyawan.
A Conflict Reveal Killer Of Death Mystery From The Rich Author In Knives Out Movie (2019): A Sociological Approach
Authors: Wulandari Alifia , Nugroho Abdillah
Published: November 2023

Literary is reading something literature, forming a critical opinion, or judging someone's criticism based on the theme, figurative language, etc on the library work. The analysis method is by uncovering topics for good understanding. Knives Out movie is a criminal and drama film full of mystery but also the movie that has is a comedy. The type of study in this research uses a Qualitative Descriptive Approach. The research objects of this study are characteristics, mystery, speech act, the main character, the situation, and the story of Knives Out (2019) movie. The object is based on the movie. The data collection technique divided into 4kinds are watching, reading, taking notes, and observation. The sociological Approach is used in the Knives Out movie because there some several social forms example Crime, Family Life, Social Class, Racism, and Inequality.
The Development Of The Use Of Social Media Marketing Rs: How Far Has It Been?
Authors: Ongko Tjindrawati
Published: November 2023

The use of hospital social media marketing has become a necessity and a common thing, needed, to be a trend in the current marketing era even though not all hospitals are ready to use it effectively and efficiently. All hospitals are developing these relatively new and fast-growing marketing "tools" trying to find suitable marketing patterns and forms. This article seeks to review how far the development of the use of social media marketing in several hospitals simply, namely Adi Husada Undaan Wetan Hospital Surabaya, Siloam Hospital Surabaya, Mount Elizabeth Group Hospital; based on data that can be obtained, reviews and observations and also know more about the reasons for the use and development of social media marketing by one of the hospitals in Surabaya, namely Adi Husada Undaan Wetan Hospital Surabaya
Implementation Of Next-Generation Firewalls To Protect Applications From Malware Attacks
Authors: Putri Herika Andini , Djibran Nazel , Tulloh Rohmat
Published: November 2023

Based on the rapid development of technology that has a positive and negative impact; one of the negative impacts is the leakage of data, called cybercrime. To overcome this, in this study, the design of the next-generation firewall (NGFW) protects technology and information systems from threats and malware attacks on technology and information systems. In this study, the Palo Alto firewall is implemented by configuring the firewall and testing the attack using malware. This test's results aim to prevent data loss, material loss, and paralysing of public services. Moreover, it is efficient and effective in scanning for variations of attacks without affecting network performance. The results' implications are expected to solve the problems faced perfectly. NGFW takes precautions by blocking malware access to its network traffic
Title: The Influence Of Innovative Work Behavior And Knowledge Management On Organizational Performance In Coffee Shops In Bandung City
Authors: Nurul Fadila Choiriyah , Gunawan Agus , Kornarius Yoke Pribadi , Caroline Angela
Published: November 2023

The proliferation of coffee shops in Bandung city is influenced by various factors, including the cultural significance of coffee consumption, the tendency of young individuals to frequent coffee establishments, and the influx of tourists to the city. Nevertheless, a considerable number of coffee shops have experienced closure shortly after their establishment due to their inability to sustain themselves in the industry. This predicament is often attributed to a deficiency in the knowledge required to manage human resources, thereby impeding organizational performance effectively. Consequently, this research aims to examine the impact of knowledge management and innovative work behavior on organizational performance. The study focuses on three coffee shops situated in Bandung, with a total sample size of 39 individuals. The findings from these establishments demonstrate a significant and positive influence of innovative work behavior and knowledge management on organizational performance. However, it is noteworthy that disparities in regulations and policies among the three coffee shops have engendered varying perspectives among employees regarding knowledge management, innovative work behavior, and organizational performance
Analysis Of E-Pnbp Application System Development For Pnbp Optimization Of Mineral And Coal Sub-Sector
Authors: Syahirul Alim Muhammad , Kornarius Yoke Pribadi
Published: November 2023

Non-tax revenue (PNBP) is a collection other than taxes paid by individuals, groups or business entities as an obligation to the state for the utilization of natural resources. Increasing the optimization of non-tax revenues is still a challenge for the Directorate General of Mineral and Coal in managing PNBP. The existence of the e-PNBP application aims to make monitoring of PNBP obligations much easier to carry out. This application was created to facilitate the calculation of PNBP obligations by the payer, facilitate evaluation and verification of PNBP obligations by evaluators, and as a function of payment of mineral and coal PNBP obligations so that they are in accordance with the calculated value of PNBP obligations. At present, the e-PNBP application is one of the most dynamic among others in terms of facilitating various changes and adjustments to regulations related to mineral and coal mining. In its development, the e-PNBP application requires integration with other applications such as MODI, SIMPONI, MOMS, MVP and SERASI, as well as various other developments.
Legal Protection of Telecommunication Service Customers' Personal Data as Trade Secrets in Merger And Acquisition Processes Based on Positive Law in Indonesia
Authors: Rossame Amelia , Rosadi Sinta Dewi , Permata Rika Ratna
Published: November 2023

The fast advancement of information and communication technology has had a positive influence on society. The free and open transmission of knowledge is the ideal condition for its application. Meanwhile, information technology itself serves as a channel for information dissemination. Customer data received by telecommunications service providers is a trade secret of the corporation since it has economic worth, is confidential, and is kept confidential. Customer personal data, on the other hand, is sensitive and deemed harmful since telecommunications service providers indirectly gain from someone's privacy. This paper will compare the legal framework if there is a legal conflict between personal data and trade secrets based on positive law in Indonesia that applies the GDPR principles to the personal data protection system adopted by other nations, take, for example, the United States, Europe, also Australia. In accordance with the attached case, namely a data breach by Optus, an Australian telecommunications company, the author wishes to examine it within the scope of positive law in Indonesia by comparing legal settlements that have been implemented in Australia, so that if a data breach occurs in Indonesian territory as a result of telecommunications industry mergers and acquisitions, the author will be able to analyze it within the scope of positive law in Indonesia and can be a basis for answering questions regarding legal protection and accountability.
A systematic review on the Roles and Responsibilities of Sport Manager’s Professional Competency
Authors: Getnet Admit Daniel
Published: November 2023

Management is one of the most important human activities and has a critical impact on the life, growth, development, or destruction of organizations. The skills necessary for management vary at different levels, and their distinction necessitates the identification of roles and responsibilities that managers use to play. Even skills vary according to the level of management. This systematic review aims to synthesize the roles, responsibilities, and skills of sport managers. This is an attempt to use PRISMA meta-synthesis. By using keywords like "sport managers," "managers' role and responsibility," "manager competency," and "manager efficacy," 96 articles were duplicated from Elsevier, PERMED, and Google Scholar databases. Six articles that fit the inclusion criteria were incorporated into this paper. A holistic perspective on competency-based measurement drawn from organizational theory and role theory was used as a discussion point. Although the sports industry has distinct characteristics, the roles of sports managers are to create and organize schedules, promote clients through various forms of media, endorsement deals, negotiate contracts, maintain positive public relations, ensure compliance with rules and policies, etc. To perform these tasks requires human, technical, and conceptual skills to plan, organize, lead, and control the activities. Finally, the reviewers recommended that the managers acquire and know the management skills necessary for the success of their club.
Estimation of Mandibular Third Molar Development Using the Correlation in Dental Developmental Stages
Authors: Kim Junyoung , Kim Hyuntae , Shin Teo Jeon , Hyun Hong-Keun , Kim Young-Jae , Kim Jung-Wook , Jang Ki-Taeg , Song Ji-Soo
Published: November 2023

This study aims to confirm the average chronologic age according to the developmental stages of the mandibular canine (L3), first and second premolars (L4, L5), and second and third molars (L7, L8) in children and adolescents, and to confirm the developmental stage of L3, L4, L5, and L7, which can estimate the development of L8. A total of 1,956 digital panoramic radiographs of healthy individuals aged between 6 and 15 years who visited Seoul National University Dental Hospital from January 2019 to December 2020 were selected. The developmental stages of L3, L4, L5, L7, and L8 on both sides were evaluated using the dental maturity scoring system proposed by Demirjian and Goldstein. The average age at which the follicle of L8 was first observed was around 9.34 ± 1.35 years and varied from 6 to 12 years. The possibility of agenesis of L8 was high when no traces of L8 were observed after the following stages: L3, L4, and L5 at the developmental stage F and L7 at the developmental stage E; the age was about 10 years. In estimating the development of L8, when only one tooth was considered, estimation accuracy with L5 was the highest, and there was no significant difference when all four teeth were included. This study showed the age distribution according to the developmental stages of L3, L4, L5, L7, and L8 in children and adolescents and confirmed the developmental stages of L3, L4, L5, and L7, which can be used to estimate the development of L8.
Morphological Assessment of Proximal Restoration Depending on Different Matrix Systems in Primary Molars with a 3D Scanner: In Vitro Studies
Authors: Shin Hyewon , Lee Nanyoung , Song Joohun , Kim JoonSeong , Jih Myeongkwan
Published: November 2023

The purpose of this study was to compare the proximal surface contour, size of contact area, and volume difference before and after restoration in artificial teeth of primary molars during proximal composite resin restoration using different matrix systems. Four types of artificial teeth were restored with composite resin using sectional matrix systems-Palodent V3 Sectional Matrix System and myJunior Kitand a circumferential matrix system-Tofflemire Matrix System-and modeled threedimensionally for analysis. When sectional matrix systems were used, there was a higher probability of concave proximal surface contour and simultaneously greater contact area and volume. This is attributed to the dead soft properties of the matrix band used in sectional matrix systems, which can lead to deformation of the band and hence an excessive amount of resin applied around the contact point. Additionally, the rubber wedge in the sectional matrix system may not help the matrix band fit into the cavity. Therefore, based on the findings of this study, morphological aspects need to be carefully considered for proximal composite resin restoration of primary molars using sectional matrix systems.
Assessment of Risk Factors for Dental Developmental Disorders in Pediatric Cancer Survivors
Authors: Lee Jihyun , Choi Hyung-Jun , Lee Jaeho , Song Je Seon , Kang Chung-Min
Published: November 2023

This study was to examine the developmental dental abnormalities in childhood cancer survivors. Risk factors were assessed for 125 children with radiographic data through a retrospective analysis of medical records and panoramic images. 68.0% of childhood cancer survivors exhibited at least one dental abnormality. The types of abnormalities varied depending on the age at cancer diagnosis and treatment intensity, ranging from microdontia (43.2%), to abnormal root development (39.2%) and tooth agenesis (33.6%). Logistic regression analysis demonstrated that a young age at diagnosis (under 3 years), the use of heavy metal agents, a history of hematopoietic stem cell transplantation (HSCT), and combination treatment of chemotherapy, radiation therapy, and HSCT were associated with a significantly higher risk for overall dental abnormalities. The increased risk ratios were 6.00, 3.06, 3.22, and 7.87, respectively (p < 0.05). The results of this study will predict dental abnormality in permanent dentition according to the diagnosis age and treatment method of childhood cancer.
Comparison of Shear Bond Strength in Novel Calcium Silicate-Based Materials to Composite Resin
Authors: Shin Wonkyu , Kim Hyuntae , Song Ji-Soo , Shin Teo Jeon , Kim Young-Jae , Kim Jung-Wook , Jang Ki-Taeg , Hyun Hong-Keun
Published: November 2023

The purpose of this study was to evaluate whether the newly introduced calcium silicate-based materials with fast-setting properties could be appropriately used as basement materials in indirect pulp treatment (IPT). This was performed by quantifying the durability of adhesion between the material and composite resin, measured by the shear bond strength (SBS). Five calcium silicate-based materials, TheraCal LC® (TLC), TheraCal PT® (TPT), TheraBase® (TB), Well-Root™ PT (WPT), and Endocem® MTA (EMTA), as well as two glass ionomer-based materials, Fuji II and Fuji II LC, were included. Specimens containing these materials were manufactured and bonded to composite resin with a universal adhesive applied in self-etch mode. The SBS values and failure modes were recorded, and the mean SBSs of the materials were compared. Both TPT and TB exhibited SBS values that were similar to TLC, while both WPT and EMTA appeared to have statistically lower SBS values. Mixed failure was commonly observed in TLC and TPT, while all WPT and EMTA samples showed cohesive failure. In comparison with TLC and TPT, more samples with cohesive failure were observed in TB, implying that this material forms a stronger bond with composite resin. Together with the ability of TB to chemically bind to dentin due to its 10-methacryloyloxydecyl dihydrogen phosphate component, TB seems to be a promising material for IPT within the limitations of this in vitro study.
A Retrospective Clinical Investigation of Delayed Eruption of Premolars in the Mandible
Authors: Park Sookyung , Kim Hyuntae , Song Ji-Soo , Shin Teo Jeon , Kim Young-Jae , Hyun Hong-Keun
Published: November 2023

This study aimed to investigate the treatment options for the delayed eruption of mandibular premolars and identify the predictors of spontaneous eruption using panoramic radiography. The prevalence of delayed mandibular premolar eruption in this retrospective analysis, comprising 254 patients (aged 9 - 15 years), was 5.19%, with no significant difference based on gender. The mandibular second premolars were most affected (4.39%) compared to the first premolars (0.76%). No significant difference in prevalence was observed between the left and right sides. Among the treated mandibular premolars, primary molar-related lesions were identified as the leading cause (7.85%) of delayed tooth eruption. The treatment duration varied based on the Nolla stage, eruption stage, and treatment method. Teeth with Nolla stage 7 or lower had a treatment duration of 22.89 ± 11.96 months, whereas those with stage 8 or higher had a 15.02 ± 6.34 month duration. The deeper the tooth was located in the bone, the longer the treatment period became. The treatment duration varied depending on the treatment method, and statistically, there was no significant difference. The treatment durations for affected mandibular premolars increased with the depth of impaction angle of inclination. In this study, the treatment duration for delayed eruptions varied depending on the Nolla stage, eruption stage, and treatment method. Variations in the impaction depth and inclination angle across various treatment approaches, as explored in this study, might offer valuable insights into the selection of the most suitable management options for delayed tooth eruptions.
Ein Alpendorf in China
Authors: Fischer Georg
Published: November 2023

Der Pariser Eiffelturm, die Londoner Tower Bridge oder die Innenstadt von Hannover: In China kopieren Städteplaner die Wahrzeichen oder sogar ganze Straßenzüge europäischer Städte. 2012 wurde der komplette Ortskern des österreichischen Dorfs Hallstatt in der chinesischen Provinz Guangdong nachgebaut. Was bedeuten die Kopien für ihre Originale?
Kawin Paksa Dalam Perspektif Hukum Islam Dan Konteks Kajian Hak Asasi Manusia
Authors: Ahmad Agung Setya Budi
Published: November 2023

Perkawinan adalah ikatan sosial yang mengakui hubungan antara pria dan wanita, meliputi aspek seksual, pembentukan keluarga, dan pembagian tugas suami-istri. Fungsi penting perkawinan termasuk menumbuhkan kasih sayang, memberikan rasa aman, tujuan, kebersamaan, status sosial, dan pembelajaran moral. Dalam Islam, pernikahan adalah upacara sakral yang mengikat dua individu sesuai ajaran Islam. Tujuan pernikahan dalam Islam meliputi mengamalkan ajaran Rasulullah, mendekatkan diri kepada Allah, mencegah zina, membentuk keluarga yang bahagia, dan mendapatkan keturunan. Hak asasi manusia adalah hak-hak yang melekat pada individu karena keberadaannya sebagai manusia, bersifat universal, dan tidak dapat dicabut. Melindungi hak asasi manusia merupakan kewajiban hukum baik dalam konteks politik, hukum, maupun sosial. Kawin paksa bertentangan dengan prinsip hak asasi manusia karena melanggar kebebasan memilih pasangan. Dalam hukum Islam, kawin paksa dianggap tidak sah dan dapat dinyatakan batal. Perlindungan terhadap individu juga dijamin dalam hukum internasional. Islam memberikan pentingnya terhadap hak-hak dasar perempuan dalam pernikahan. Kehadiran Islam membawa perubahan signifikan dalam hak-hak perempuan, termasuk kebebasan memilih pasangan. Dalam Islam, perempuan memiliki hak untuk menentukan persetujuannya dalam pernikahan, sehingga perkawinan yang dilakukan dengan paksa dianggap melanggar prinsip-prinsip agama
SITE ADAPTATION: METODOLOGIAS E ESTUDO DE CASO PARA FLORIANÓPOLIS-SC
Authors: Xavier de Andrade Pinto Gustavo , Mendes Ferreira Gomes Amanda , Braga Marília , Alves Veríssimo João Paulo , do Nascimento Lucas Rafael , Rüther Ricardo
Published: November 2023

Para análise locais, o recurso solar é melhor avaliado por meio de medições em estações solarimétricas em solo, porém, quando a distância para a estação mais próxima é elevada, a avaliação do recurso solar por meio de dados de satélites (séries históricas) se torna a opção ideal, principalmente para análises regionais ou continentais. Apesar de métodos baseados em satélites apresentarem altos níveis de confiança, ainda podem apresentar diferenças significativas quando comparados a valores medidos por estações em solo. Com o objetivo de assegurar a confiabilidade dos resultados de geração FV no local, métodos de correção de dados de satélite, conhecidos como site adaptation, utilizando dados medidos em solo por um curto período de tempo, são implementados. A finalidade destes métodos é minimizar o erro e melhorar o desvio entre os dados derivados de satélite e medições em solo. O objetivo deste trabalho é apresentar a aplicação do método de site adaptation de regressão linear para dados medidos na estação solarimétrica do Laboratório Fotovoltaica/UFSC. Adicionalmente, foram aplicadas complementações deste método dividindo-se os dados em dias de céu claro e nublado e, posteriormente, por faixas de irradiância. Foi observado que o método de regressão linear apresentou erros relativos de 22,35% (rRMSE) e 1,61% (rMBE). A metodologia de divisão dos dias de céu claro apresentou uma melhora de 0,1% no rRMSE e 0,14% no rMBE. Por fim, a metodologia de divisão por faixas de irradiância apresentou um resultado de rRMSE 0,88% pior e um rMBE 0,6% mais próximo à tendência ideal.
EVENTOS DE SOBREIRRADIÂNCIA EM SISTEMAS FOTOVOLTAICOS EM FLORIANÓPOLIS – SC
Authors: Horner Nataly , Braga Marília , L. Mantelli Sylvio , Rüther Ricardo
Published: November 2023

Investigamos o efeito de eventos de sobreirradiância em inversores para diferentes tecnologias de módulos (CdTe, CdTe ARC, mc-Si), buscando indícios de perda de potência DC/AC e correntes DC capazes de causar efeitos deletérios nos fusíveis dos sistemas em estudo. Analisamos uma série de dados de três anos de medições de irradiância solar e produção fotovoltaica, registrados em um sistema experimental localizado no laboratório FOTOVOLTAICA – UFSC, Florianópolis, Brasil. Identificamos e caracterizamos eventos de sobreirradiância solar (OIEs) e eventos de sobreirradiância solar extremos (EOIEs). Foram analisadas as variáveis de entrada e de saída em inversores fotovoltaicos durante tais eventos. Foi evidenciada variabilidade na composição espectral de EOIEs. Na localidade estudada, não foram detectados eventos com duração maior de 1 minuto capazes de causar clipping de inversor ou efeitos deletérios, porém em diversas ocasiões foram observados eventos limítrofes.
ESTUDO SOCIOAMBIENTAL DO PROJETO DE ABASTECIMENTO DE ÁGUA COM SISTEMA FOTOVOLTAICO CONECTADO À REDE NA COMUNIDADE SÍTIO VOLTA, JAGUARUANA, SEMIÁRIDO CEARENSE
Authors: Carleudo Saraiva Rabelo Francisco , Moura de Moraes Albemerc , Tavares Lira Marcos Antônio , Mariano da Silva Emerson
Published: November 2023

Devido às mudanças climáticas sofridas pelo planeta, existe a necessidade de serem utilizadas formas de geração de energia ambientalmente adequadas à matriz energética. Nesse sentido, tem-se como opção o Sistema Fotovoltaico Conectado à Rede (SFCR) para uso nos sistemas de abastecimento de água em comunidades rurais do Semiárido cearense. Assim, o Sistema Integrado de Saneamento Rural (SISAR) implantou o SFCR na comunidade de Sítio Volta no município de Jaguaruana com intuito de universalizar o abastecimento de água. Para obtenção e análise dos dados foram utilizadas informações fornecidas pelo SISAR, dados estimados para emissões de dióxido de carbono evitados, a partir do uso por fonte solar fotovoltaica, visitas e entrevistas com moradores da comunidade.  Dessa forma, este trabalho mostra a importância da atuação do SISAR no fornecimento de água potável e inserção da tecnologia solar fotovoltaica para captação e distribuição de água. Como resultado, verificou-se que durante o primeiro ano de operação dos SFCR, o consumo de energia elétrica do SAA foi 16.305 kWh e compensado 10.662 kWh com a energia solar fotovoltaica, proporcionando 65,39 % de redução na conta da associação comunitária. Também teve uma redução estimada de 4,68 toneladas de dióxido de carbono (CO2) lançados na atmosfera.
Evaluating Debriefing Encounters of Emergency Medical Practitioners in Remote Simulations and Standardized Patient Scenarios
Authors: Rishipathak Dr. Parag , Bhandari Dr. Monesh , Hinduja Dr. Anand
Published: November 2023

Clinical training plays a fundamental role in shaping the future clinical practice of medical students during their graduation and post-graduation years. It is essential for them to acquire and continuously update their skillset using innovative teaching methodologies to ensure evidence-based patient care.1 Traditional classroom-based teaching methods have been found insufficient for skill acquisition, leading to a decline in bedside clinical teaching. Consequently, simulation-based medical education has gained rapid acceptance.2 Simulation-based training encompasses various methods, such as part task trainers, low and high fidelity manikins, standardized patients, remote and virtual simulations. This approach allows students to experience Simulated Clinical Experiences (SCEs) in a controlled environment, facilitating hands-on training for emergencies, patient communication, interpersonal skills, and professionalism.3 Simulation-based education has gradually become integrated into clinical curricula, benefiting various medical specializations, including emergency medicine, critical care, nursing, obstetrics, and surgery, significantly enhancing students' clinical and cognitive skills.
Histological Disruptive Effects of Tau-Fluvalinate in Zebrafish (Danio rerio) Testis
Authors: Öztürk Ceyda , Akbulut Cansu , Yön Ertuğ Nazan Deniz
Published: November 2023

Due to the high use of pesticides, undesirable effects are observed in the environment and toxic effects occur in terrestrial and aquatic organisms via pesticide bioaccumulation. Although bioaccumulation levels are low, especially in aquatic ecosystems, toxicological effects on aquatic organisms have been observed. Synthetic pyrethroids are pesticides produced for domestic and agricultural pests and tau-fluvalinate is also a broad-spectrum synthetic pyrethroid. Our study investigated the histopathological effects of zebrafish exposed to tau-fluvalinate at two different doses (8µg/L,16µg/L) on testicular tissue. After 5 days of exposure, testicular tissues were dissected and routine histological methods were applied. Tissues were investigated under a light microscope after they were stained with hematoxylin & eosin. As a result of tau-fluvalinate exposure, deterioration in seminiferous tubule morphology, interstitial fibrosis, vascular congestion, karyorrhexis and hypertrophic spermatogenic cells were detected. Tau-fluvalinate exposure was found to induce apoptosis and cause germ cell deterioration.
Purchase Behaviour Towards Proton and Perodua Cars in Malaysia: A Preliminary Study of the What and Why
Authors: Weng Jee Teck , Wun Michelle Kuek Shu , Hock Rodney Lim Thiam , Kasuma Jati , Palaneeswaran Ekambaram , Panarina Ekaterina
Published: November 2023

Over the last three decades, the Malaysian government has undertaken a number of steps to ensure the competitiveness of its automotive industry and to stay up with worldwide advances in this sector. This study investigates the factors influencing consumer purchase behavior towards locally manufactured vehicles, specifically on Malaysians who own national cars, namely Proton and Perodua. Based on a causal research design, this study employed descriptive statistics and Partial Least Squares-Structural Equation Modelling (PLS-SEM) method. Findings from a survey of 281 respondents from different states in Malaysia showed partial support for the effect of country-of-origin, price-quality association, and value consciousness on attitude towards products and behavioral behavior. The findings suggest that it is crucial for practitioners to understand the impact of country-of-origin, price-quality association, value consciousness, and attitude towards products on behavioral intention, in the context of Malaysian perceptions towards Proton and Perodua cars. Thus, the outcome of this study helps to expand current knowledge on consumers purchase towards Proton and Perodua cars, and contributively effect of country-of-origin effects, price-quality association, and value consciousness on attitude towards products and purchase intention towards Proton and Perodua cars.