bluuebunny/crossref_metadata_2025_split huggingface dataset:
Stability and Electronic Properties of 1D and 2D Ca@C60 Oligomers and Polymers
Authors: Wu Yabei , Zhou Zhonghao , Wang Zhiyong 
Published: January 2024

The polymerization of fullerenes is a significant method for obtaining fullerene-based materials that possess intriguing properties. Metallofullerenes, as a notable type of fullerene derivatives, are also capable of undergoing polymerization, potentially resulting in the creation of metallofullerene polymers. However, there is currently limited knowledge regarding the polymerization process of metallofullerenes. In this study, we have selected Ca@C 60 as a representative compound to investigate the polymerization process of metallofullerenes. The objective of this research is to determine whether the polymerization process is energetically favorable and to examine how the electronic properties of the metallofullerene are altered throughout the polymerization process. Ca@C 60 is a unique metallofullerene molecule that exhibits insolubility in common fullerene solvents like toluene and carbon disulfide but is soluble in aniline. This behavior suggests a potential tendency for Ca@C 60 to form oligomers and polymers that resist dissolution. However, the structures and properties of polymerized Ca@C 60 remain unknown. We employed density functional theory calculations to investigate the stability and electronic properties of one-dimensional and two-dimensional Ca@C 60 oligomers and polymers. Our findings indicate that the coalescence of Ca@C 60 monomers is energetically favorable, with a significant contribution from van der Waals interactions between the fullerene cages. The polymerization process of Ca@C 60 also involves the formation of covalent linkages, including four-atom rings and C-C single bonds. The increase in the number of the Ca@C 60 units to three and four in the oligomer leads to a significant decrease in the HOMO-LUMO gap. In the two-dimensional polymerized Ca@C 60, the organization of the monomers closely resembles the spatial configuration of carbon atoms in graphene. With a direct bandgap of 0.22 eV, the polymerized Ca@C 60 holds potential for utilization in optoelectronic devices.
Optimal Different Due-Date Assignment Scheduling with Group Technology and Resource Allocation
Authors: Wang Xuyin , Liu Weiguo 
Published: January 2024

In this paper, we consider different due-date assignment scheduling with group technology and resource allocation on a single machine, where the due date of each job may be different. Under constant processing times, the objective function is to minimize the scheduling cost (i.e., the weighted sum of earliness, tardiness, and due-date assignment cost, where the weights are position dependent). Under some optimal properties, we prove that this problem can be solved in O(ζlogζ) time, where ζ is the number of jobs. The problem is also extended to cases which include linear and convex functions of the quantity of resource allocation. The objective function is minimizing the sum of the scheduling cost and the resource-consumption cost. For the special case of linear and convex functions, we show that the problem is polynomially solvable in O(ζ3) time.
The Effect of Whole-Body Electromyostimulation Program on Physical Performance and Selected Cardiometabolic Markers in Obese Young Females
Authors: Salhi Amal , Ouerghi Nejmeddine , Zouhal Hassane , Baaziz Mohamed , Salhi Amine , Ben Salah Fatma Zohra , Ben Abderrahman Abderraouf 
Published: January 2024

Background and Objectives: Whole-body electromyostimulation is under investigation as a potential aid for obesity-related health problems, supplementing a comprehensive, evidence-based obesity management strategy that includes lifestyle, diet, and exercise. The study investigated the impact of a whole-body electromyostimulation training program on physical performance and cardiometabolic markers in young obese females. Materials and Methods: Twenty-eight obese females, aged over 18 years with BMI over 30 and body fat over 28% and no underlying health conditions or medication, were divided into a whole-body electromyostimulation group (15 participants) and a control group (13 participants). The whole-body electromyostimulation program lasted 12 weeks, with two 20 min sessions weekly, using bipolar, rectangular current. Assessments pre and post intervention included body composition, blood pressure, lipid profile, C-reactive protein levels, maximal oxygen consumption, and jumping and sprint performance. Two-way ANOVA and t-tests were used for analysis. Results: Statistical analysis revealed significant (group × time) interactions for body composition, systolic blood pressure, maximal oxygen consumption, jumping and sprint performance, and plasma levels of lipids and C-reactive protein. Post hoc analyses for the whole-body electromyostimulation group indicated improvements in body composition indices (p < 0.01), systolic blood pressure (p = 0.003), maximal oxygen consumption (p = 0.010), and both jumping and 30 m sprint performance (p < 0.001 and p = 0.001, respectively) after the intervention. Furthermore, plasma levels of lipids (p < 0.01) and C-reactive protein (p = 0.002) showed significant improvements following the training program. In contrast, no significant changes were observed for these variables in the control group. Conclusions: A 12-week whole-body electromyostimulation program significantly improved body composition (skeletal muscle mass, body mass index, body fat, and waist circumference), physical performance (maximal oxygen consumption, jumping and sprint performance), and certain cardiometabolic (plasma level of lipids) and inflammatory markers (C-reactive protein) in obese young women. Further research is needed to explore the broader effects of whole-body electromyostimulation on physical and cardiometabolic health.
Vitex Genus as a Source of Antimicrobial Agents
Authors: Islam Zohorul , Caldeira Gonçalo I. , Caniça Manuela , Islam Nurul , Silva Olga 
Published: January 2024

Vitex L. is the largest genus of the Lamiaceae family, and most of its species are used in the traditional medicinal systems of different countries. A systematic review was conducted, according to the PRISMA methodology, to determine the potential of Vitex plants as sources of antimicrobial agents, resulting in 2610 scientific publications from which 141 articles were selected. Data analysis confirmed that Vitex species are used in traditional medicine for symptoms of possible infectious diseases. Conducted studies showed that these medicinal plants exhibited in vitro antimicrobial activity against Bacillus subtilis, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, and Staphylococcus aureus. Vitex agnus-castus L. and Vitex negundo L. have been the most studied species, not only against bacterial strains but also against fungi such as Aspergillus niger and Candida albicans, viruses such as HIV-1, and parasites such as Plasmodium falciparum. Natural products like agnucastoside, negundol, negundoside, and vitegnoside have been identified in Vitex extracts and their antimicrobial activity against a wide range of microbial strains has been determined. Negundoside showed significant antimicrobial activity against Staphylococcus aureus (MIC 12.5 µg/mL). Our results show that Vitex species are potential sources of new natural antimicrobial agents. However, further experimental studies need to be conducted.
Adhesive interaction of orthodontic plate appliances with mixed oral microbiota
Authors: Sheregov A. Kh. , Kharaeva Z. F. , Mustafaev M. Sh. , Bozieva D. S. , Asanova L. R. 
Published: January 2024

Relevance. The presence of an orthodontic appliance within the oral cavity enhances the formation of supplementary retention sites for the adhesion of microorganisms. The porosity of acrylic base materials, coupled with their limited polishability, further predisposes the surface to contamination by a biofilm of microorganisms. Evaluating the capacity of materials to attract bacterial adherence to their surfaces represents a crucial phase in patient treatment.Purpose. This study aims to perform a comprehensive clinical and laboratory investigation into the adhesive properties of orthodontic plate appliances crafted from various dental plastics concerning the mixed oral microbiota.Materials and methods. In vitro research was conducted, focusing on both removable and non-removable orthodon tic plate appliances featuring a base composed of dental plastics (referred to as Sample 1 and Sample 2). The study included 80 orthodontic patients, comprising 50 children aged 8 to 12 years with removable appliances and 30 children aged 8 to 10 years with non-removable plate appliances. Patients were categorized into two groups based on the material of their appliances: the first group, pertaining to those with removable appliances (Subgroup 1A – Sample 1, 25 individuals, and Subgroup 1B – Sample 2, 25 individuals); the second group, comprising individuals with nonremovable appliances (Subgroup 2A – Sample 1, 15 individuals, and Subgroup 2B – Sample 2, 15 individuals).Results. In the in vitro investigations, it was observed that the average colonization of removable plates was 100 times lower (4.5 log CFU/ml) compared to non-removable plates (5.5 log CFU/ml; p < 0.05). The average colonization of plates composed of plastic (Sample 2) demonstrated a significant reduction, approximately 200 times (4.0 log CFU/ml), compared to plates made of plastic (Sample 1) (6.0 log CFU/ml; p < 0.05). Upon evaluating the overall colonization of the oral cavity, bacterial growth ranged between 106-7 CFU/ml in patients with appliances made of plastic Sample 1, whereas in patients with appliances made of plastic Sample 2, the range was limited to 103-4 CFU/ml (p < 0,05).Conclusion. The statistical analysis reveals a significant disparity in the adhesive activity of microorganisms to orthodontic plate appliances constructed from materials of distinct production origins, with notably lower adherence observed on smoother surfaces (specifically those made of plastic Sample 2). This underscores the importance of meticulous consideration for the polishability properties inherent in the materials utilized in the manufacturing of orthodontic appliances.
Investigation of K2Cu(Cl,Br)3 crystalline scintillators
Authors: Yamabayashi Keishi , Okazaki Kai , Nakauchi Daisuke , Kato Takumi , Kawaguchi Noriaki , Yanagida Takayuki 
Published: January 2024

Abstract
K2Cu(Cl,Br)3 crystals were prepared by the slow cooling method and evaluated for photoluminescence (PL) and scintillation properties. PL emission and scintillation peaks due to the recombination of excitons were observed at 400 nm. The PL quantum yields were estimated to be 61.0% for K2CuCl3, 72.7% for K2Cu(Cl0.5,Br0.5)3, and 75.8% for K2CuBr3, respectively. The scintillation decay curves were approximated by a single exponential function model, and the calculated decay time constants were 14–60 μs. The afterglow levels at 20 ms passed after X-ray irradiation were obtained to be 5–1225 ppm. The light yields of K2CuCl3 and K2Cu(Cl0.5,Br0.5)3 were 7700 and 9900 photons MeV−1 when calculated from the pulse height spectra under 137Cs γ-ray (662 keV) irradiation.
Imaginary-shifted expression of Gaussian beams as rigorous solutions of Maxwell equations
Authors: Hatakoshi Gen-ichi , Kawakami Shojiro 
Published: January 2024

Abstract
Analytical and rigorous solutions of Maxwell equations for Gaussian beams have been derived, without using paraxial approximation. Vectorial formulation of high-order Gaussian beams including Laguerre–Gaussian-like beams and optical vortices were obtained. These analytical solutions are useful and effective for understanding the beam characteristics.
Adab Belajar dan Mengajar Dalam Perspektif Al-Qur’an dan Al-Hadits (Telaah Konsep Pemikiran Imam Nawawi)
Authors: Rahman Sandy Aulia , Basir Abd , Fuady Muhammad Noor 
Published: January 2024

<p style="text-align: justify;">Adab belajar dan mengajar merupakan aspek krusial dalam konteks pendidikan Islam yang mendalam, mencakup nilai-nilai etika, sopan santun, dan norma-norma perilaku yang diatur oleh ajaran Al-Qur'an dan Al-Hadits. Studi ini bertujuan untuk menjelajahi dimensi-dimensi penting adab belajar dan mengajar dalam perspektif Islam, mengaitkannya dengan ajaran Al-Qur'an dan Al-Hadits. Penelitian ini terfokus pada penelaahan kitab Al-Tibyan Fi Adabi Ḥamalah Al-Qur’an dan Al-Majmu’Syarḥ Al-Muhazzab dengan pandangan yang mendalam terhadap pemikiran Imam Nawawi. Metode penelitian ini menggunakan jenis penelitian kepustakaan (library research) dengan melibatkan analisis teks klasik dan kontemporer, serta pendekatan kritis terhadap pemahaman Imam Nawawi terkait adab belajar dan mengajar. Hasil penelitian mengungkapkan bahwa adab guru terbagi dalam empat bagian, yakni adab guru terhadap dirinya sendiri, adab guru terhadap ilmu, adab guru terhadap murid dan pengajaran serta adab guru ketika mengajar. Sedangkan adab murid terbagi menjadi tiga, yakni adab murid terhadap dirinya sendiri, adab murid terhadap guru dan ilmu serta adab murid didalam majelis ilmu. Kesimpulan dari penelitian ini menunjukkan bahwa adab belajar dan mengajar bukan hanya sekadar proses transmisi pengetahuan, tetapi juga sebuah perjalanan spiritual yang membangun karakter dan membentuk akhlak mulia. Pendidikan Islam yang berakar pada adab ini memiliki potensi besar untuk membentuk individu yang bertanggung jawab, bermoral, dan mampu memberikan kontribusi positif bagi masyarakat.</p>
أثر أنموذج Presseisen في تحصيل طالبات المرحلة المتوسطة في مادة الرياضيات
Authors: ضحى قاسم محمد الفلاحي  , أ.د. عباس ناجي عبد الاميرالمشهداني  
Published: January 2024

يهدف البحث الحالي التعرف على أثر أنموذج Presseisen في تحصيل طالبات المرحلة المتوسطة في مادة الرياضيات وأُستُخدم المنهج التجريبي ذا الضبط الجزئي بمجموعتين (التجريبية والضابطة) ذا الاختبار البعدي . تكون مجتمع البحث من طالبات الصف الثاني المتوسط وبلغ عددهن (13816) طالبة . إذ بلغ عدد افراد العينة (58) طالبة بواقع (29) طالبة للمجموعة التجريبية و(29) طالبة للمجموعة الضابطة ، طُبقت التجربة في الفصل الدراسي الثاني للعام الدراسي (2023-2022)م. في متوسطة الجزيرة للبنات التابعة للمديرية العامة لتربية بغداد / الكرخ الثانية، بدأت التجربة يوم الاحد الموافق 2023/2/19 وانتهت يوم الاثنين الموافق 2023/4/17 ،كما تم إعداد إختبار تحصيلي مكون من (30) فقرة موضوعية من نوع الاختيار من متعدد بأربع بدائل .وتم التحقق من صدقهُ وثباته. استخدمت الباحثة معادلة كيودر-ريتشاردسون ( (k- لحساب معامل ثبات الاختبار،واستخدمت الاختبار التائي (t-test) لعينتين مستقلتين ولمعالجة البيانات تم الاستفادة من البرنامج الاحصائي (spss) . وبعد إنتهاء التجربة طُبق الاختبار التحصيلي في مادة الرياضيات، على كل من المجموعتين ( التجريبية والضابطة) اظهرت النتائج وجود فرق دال احصائياً بين المجموعتين التجريبية والضابطة في الاختبار التحصيلي في مادة الرياضيات، ولصالح المجموعة التجريبية. وفي ضوء نتائج البحث تم التوصل الى عدد من الاستنتاجات منها تدريس مادة الرياضيات بأستعمال أنموذج (Presseisen) لهُ أثر إيجابي في تحصيل طالبات المجموعة التجريبية . كما تم وضع عدد من التوصيات والمقترحات منها:
1-تضمين محتوى كتاب الرياضيات للصف الثاني المتوسط ، أنشطة تعليمية ، تساعد على دمج تعليم التفكير في المحتوى من خلال أنموذج Presseisen وبالتالي سينتقل أثر هذا التدريب على تحصيل المتعلمين من خلال حلهم لاسئلة تتضمن افكاراً تحتاج الى تفكير ، وعندها يمكن تضمين هذا النوع من الاسئلة في الاختبارات.
2- اجراء دراسة مقارنة بين بعض استرتيجيات التفكير فوق المعرفي وبين انموذج (Presseisen) والحكم على افضليتها.
Analisis Penerimaan Pengguna Aplikasi Transportasi Online Goride Menggunakan Metode UTAUT2
Authors: Herina Nansy , Alawiah Meliana , Wahidin M. , B.K Felicia A. Stevanie 
Published: January 2024

Tujuan dari penelitian ini adalah untuk mengumpulkan data dan menganalisis penerimaan pengguna terhadap aplikasi Goride yang dapat dikembangkan atau ditambahkan ke dalam aplikasi Gojek sesuai dengan kebutuhan pengguna aplikasi. Dan metode yang digunakan dalam penelitian ini adalah Unified Theory of Acceptance and Use of Technology 2 (UTAUT2). Menggunakan teori model UTAUT2 sebagai pemecahan masalah, bertujuan untuk menguji penerimaan pengguna Goride di Karawang sesuai dengan kebutuhan pengguna akhir dan berkontribusi pada Gojek untuk mengembangkan fungsi aplikasi untuk meningkatkan layanan transportasi jaringan. Untuk mencapai akhir. Hasil survei ini adalah rekomendasi faktor penerimaan bagi pengguna aplikasi Goride di Karawang.
Pemulihan Pascabencana Tsunami 2018 Guna Mendukung Program Pembangunan Daerah Kabupaten Pandeglang
Authors: Aprilyanto A , Widana I Dewa Ketut Kerta , Subiyanto Adi , Rahmat Hayatul Khairul 
Published: January 2024

Tsunami disaster on December 2018 caused by the collapse of Mount Anak Krakatau had an impact on damage and loss of life, one of which was Pandeglang Regency, Banten Province. After the tsunami disaster, the Pandeglang Regency Government carried out rehabilitation and reconstruction activities that lasted for three years from 2019 to 2021. Three years after the implementation of post-disaster recovery, the realization of Pandeglang Regency's Original Regional Revenue has shown a decline. The aim of this research is to analyze the post-tsunami recovery index from the aspects of education, health, and economy to support development programs in Pandeglang Regency. Researchers used data collection techniques through interviews, document studies, observations, and literature studies which were then analyzed using the Ina-PDRI equation. The results show the post-tsunami recovery index in 2017 (41.71), 2018 (41.06), 2019 (46.41), 2020 (47.51) and 2021 (52.64) . Post-disaster rehabilitation and reconstruction in Pandeglang Regency has recovered since the first year (in 2019), then getting better and safer in 2020 and 2021. The trend of increasing post-disaster regional development programs can be seen through the achievements The Human Development Index (IPM) of Pandeglang Regency from 2017 to 2020, but other indicators experienced a downward trend, such as the realization of Regional Original Income (PAD) from 2018 to 2020.This downward trend in PAD is due to the Covid-19 pandemic during post-disaster recovery implementation since 2020.
Sistem Pendukung Keputusan Pemilihan Karyawan Toko Terbaik: Pendekatan AHP di PT. Warna Abadi
Authors: Dewi Ni Wayan Jeri Kusuma , Antara I Gede Made Yudi 
Published: January 2024

Proses pemilihan karyawan pada PT. Warna Abadi yang berjalan selama ini dilakukan dengan voting oleh rekan kerjanya. Tujuan dari penelitian ini adalah membuat Sistem Pendukung Keputusan Pemilihan Karyawan Toko Terbaik pada PT. WA dengan menggunakan metode Analytical Hierarchy Process (AHP). AHP merupakan sebuah metode yang dapat merangking alternatif keputusan serta memilih alternatif terbaik dari setiap kriteria untuk dijadikan acuan dalam pengambilan keputusan. Tahapan dalam AHP adalah mulai dari menggambarkan permasalahan, menentukan prioritas dari kriteria yaitu Absensi, Tanggung Jawab, Kerja Sama, Scoreboard Penjualan (Penjualan Produk Unggulan) serta Kerapian Berpakaian, selanjutnya adalah dilakukan sintesis berpasangan untuk mendapatkan nilai prioritas, memaparkan matrik ke dalam angka desimal tujuannya adalah mengkalikan matrik tersebut menggunakan matriksnya sendiri, selanjutnya adalah menjumlahkan hitungan dari proses perkalian matriks, menjumlahkan matrik normalisasi (baris), kemudian membagi tiap jumlah baris dengan nilai akhir baris, hasil rata-rata nilai tersebut disebut dengan eigenvector, tahap terakhir adalah resume nilai eigenvector. Dalam matrik perbandingan dikatakan konsisten apabila Concictency Ratio < 0.1, apabila belum konsisten, maka akan diulang kembali. Hasil akhir diperoleh dari mengkalikan bobot dari masing-masing kriteria dengan bobot dari masing-masing karyawan Nilai Karyawan Terbaik kode A02 dengan nilai 0.306, A01 dengan nilai 0.302, A04 dengan nilai = 0.222 serta peringkat terakhir dengan kode karyawan A03 dengan nilai 0,17 dari kelima kriteria penilaian. Dari Sistem Pemilihan Karyawan Terbaik tersebut, bisa dijadikan acuan dalam pemilihan karyawan terbaik secara objektif dengan lima kriteria penilaian oleh bagian Decision Maker dan pemilihan tidak dilakukan secara manual lagi serta hasil akhirnya bisa dilihat oleh karyawan langsung. Untuk Peneliti selanjutnya, disaranakan agar melakukan penelitian dengan metode yang lain, sehingga hasilnya penelitian yang beranekaragam dan hasilnya bisa dibandingkan.
On the Transition from Efficient to Inefficient Line Driving in Irradiated Flows
Authors: Dannen Randall , Proga Daniel , Waters Tim , Dyda Sergei 
Published: January 2024

Abstract
Observations of ionized outflows from active galactic nuclei (AGNs) provide evidence of energy and momentum transfer from the AGN radiation to the plasma. The AGN radiation is very energetic. Therefore, at distances of parsec scale, where gravity is relatively weak, energy transfer alone can lead to outflow. Much closer to the black hole, gravity dominates thermal energy and the gas is in the so-called “cold” regime. Only magnetic or radiation forces can lead to outflow. However, it is unclear when the radiation force is efficient in overcoming gravity because of its dependence on the spectral energy distribution (SED) of the radiation and opacity. In this work, we survey the parameter space of radiation forces due to spectral lines resulting from blackbody SEDs with temperatures ranging from ∼104 to 106 K. The objective was to identify the radiation temperature above which line driving becomes inefficient. We find that the temperature ≲4 × 105 K marks such a transition. We also self-consistently calculate heating and cooling balance to estimate gas temperature and identify the transition where thermal driving becomes comparable to line driving. We summarize hydrodynamical simulations of radial outflows to illustrate how wind properties change during the transition from line to thermal driving and their dependence on outflow parameters and SED.