bluuebunny/crossref_metadata_2025 huggingface dataset:
Description of the female of Ihlegramma ihlei Eitschberger, 2003, an endemic hawk moth species from northern Laos (Lepidoptera: Sphingidae)
Authors: Spitsyn Vitaly M.
Published: January 2025

In this paper, the female of Ihlegramma ihlei Eitschberger, 2003 is described for the first time. The first record of this species is reported from Phongsaly province (the distance from sampling locality to the type locality (Houaphanh province) is about 250 kilometers). Adults and genitalia of both sexes are illustrated.
O IMPORTANTE PAPEL DA CONTABILIDADE AMBIENTAL NO PROCESSO DE GESTÃO EMPRESARIAL
Authors: Galvão Joseneide Josefa , Costa Ricardo , Mesquita Marisa Vianna
Published: January 2025

Nas últimas décadas o meio ambiente tem estado no topo de discussões entre profissionais acerca de assuntos que envolvem a destruição da camada de ozônio, recursos naturais, poluição, entre outros, tornando-se cada vez mais necessário dar ênfase a responsabilidade perante crimes ambientais, o que se intensifica cada vez mais na esfera de um mundo globalizado. Questões como estas direcionam as empresas a buscar novos modelos de controle e registro com o intuito de mensurar as ações que provocam problemas ambientais tornando-se possível estipular medidas preventivas que possam reduzir drasticamente tais ações. Partindo-se desta premissa, a Contabilidade Ambiental, como uma ramificação da Contabilidade Tradicional, proporciona subsídios na captura de informações para o registro do patrimônio, bens, direitos e obrigações na esfera ambiental das entidades gerando informações de qualidade para que os gestores possam usufrui-las na tomada de decisão. No Brasil, infelizmente as corporações ainda não perceberam a importância desta ferramenta como auxílio na gestão ambiental, o que explica também a falta de conhecimento e informação acerca do tema. Como consequência, ao que concerne as empresas passam a ter um papel de extrema importância em face a gestão ambiental no meio corporativo. Desta forma, esta pesquisa pretende demonstrar a importância da Contabilidade Ambiental como instrumento de gestão empresarial à luz de um diferencial competitivo que esta ferramenta pode proporcionar a empresa em busca de manter o equilíbrio entre o desenvolvimento econômico de suas atividades e a utilização dos recursos do meio ambiente gerando benefícios financeiros à corporação bem como as vantagens de ser uma empresa sustentável.
Severe cerebral hyperperfusion syndrome following revascularization surgery for Moyamoya disease in an adult: A case report
Authors:   Department of Physiology, Atma Jaya Catholic University of Indonesia, School of Medicine and Health Sciences, North Jakarta, Jakarta, Indonesia, Tjahjadi Mardjono ,   Department of Neurosurgery, Mitra Keluarga Kelapa Gading Hospital, North Jakarta, Jakarta, Indonesia, Graciela Yemima ,   Faculty of Medicine, Tarumanagara University, West Jakarta, Jakarta, Indonesia
Published: January 2025

Background. Moyamoya disease is a rare chronic non-atherosclerotic condition affecting the distal internal carotid artery (ICA) and its proximal branches, leading to the formation of Moyamoya vessels. Revascularization procedures are commonly performed to improve intracranial blood flow, but this sudden increase is associated with reports of cerebral hyperperfusion syndrome (CHS) as one of its complications. Case report. We report a 29-year-old woman presenting with CHS immediately during the postoperative period after a superficial temporal artery to middle cerebral artery (STA-MCA) bypass, confirmed by radiological findings of focal hyperemia, and presenting with left-sided motor and sensory deficits. Best medical therapy with blood pressure control and management of cerebral edema effectively alleviated the symptoms. After one month of follow-up, the patient regained complete resolution of her neurological deficits. Conclusions. CHS prediction is challenging due to the individualized response of cerebral hemodynamic changes and impaired autoregulation. Despite optimal preventive measures and patient conditioning, close monitoring of cerebral perfusion during the early postoperative period is essential to detect immediate CHS.
Spontaneous cerebrospinal fluid rhinorrhea in a patient with elevated body mass index: A case report
Authors:   NMC Provita International Medical Centre Abu Dhabi, United Arab Emirates, Mohammed Ahmed Yagoub Ahmed , Yahia Omer ,   NMC Provita International Medical Centre Abu Dhabi, United Arab Emirates
Published: January 2025

CSF rhinorrhoea is a rare clinical entity referring to the spontaneous leakage of CSF through the nasal passage. The primary cause of CSF rhinorrhoea can be either spontaneous, where the causes include a temporal bone anomaly, skull base defect, or dura mater defect, or non-spontaneous causes, including surgical or accidental trauma, tumors, and radiation therapy to the base of the skull. It is imperative to diagnose the condition in its early stages to avoid complications like meningitis, sepsis, and abscesses. Primary cases are uncommon and linked with increased BMI and intracranial hypertension (ICH). The beta-2 transferrin test is considered the gold standard for diagnosing a CSF leak; however, a clinical examination along with CT and MRI scans can also help with the diagnosis. In this report, the patient is a 49-year-old female who presented with an elevated BMI. The patient came to the emergency department with the complaint of ‘drooping’ on the right side of the face, weakness on the same side, and a history of diabetes mellitus, hypertension, and schizoaffective disorder. CT and MRI of the patient revealed acute infarcts in the brain and findings in the temporal bone which indicated a CSF leak. Initially, conservative management was initiated, but later on, the development of subsequent symptoms warranted surgical management. Following radiological diagnosis using CT scans, the patient underwent the transsphenoidal technique to address the CSF leak. This case highlights the complexities involved in diagnosing and managing CSF rhinorrhoea. Diagnostic assays, such as β-2 transferrin, along with imaging tests, are essential for accurate identification and treatment. Additionally, factors like obesity and coexisting health conditions can significantly influence treatment strategies and outcomes. However, the lack of comprehensive follow-up data and the reliance on a single case study limit the scope of the conclusions that can be drawn.
Development of Telecommunication System Learning Media with Digital-based ADDIE Method
Authors: Saripudin Saripudin , Bonok Zainudin , Wiranto Ifan , Abdussamad Syahrir , Tansa Salmawaty , Nasibu Iskandar Zulkarnain
Published: January 2025

High demand and digital penetration in various aspects of human life has directly created a huge industry in technology. This is reflected in the impact of the widespread use of Information and Communication Technology (ICT) which allows for a more efficient way of providing education that makes it easier for educators, students, and students. The purpose of this research is to create a product on the development of learning media in telecommunications systems courses using the digital-based ADDIE method. This research is an RD (Research and Development) development research that uses the ADDIE model, which consists of five stages, namely 1.) Analyze; 2.) Design; 3.) Development; 4.) Implementation; and 5.) Evaluation. The learning media developed is a website that can be used for the Telecommunication System course at the Department of Electrical and Computer Engineering, Faculty of Engineering, Gorontalo State University. The results of this research are in the form of website-based learning media that can be used for the learning process of Telecommunication Systems courses and have been adjusted to the needs based on the needs analysis at the Department of Electrical and Computer Engineering, Faculty of Engineering, Gorontalo State University.  Permintaan yang tinggi dan penetrasi digital di berbagai aspek kehidupan manusia secara langsung telah menciptakan industri besar dibidang teknologi. Hal ini tercermin dari dampak meluasnya penggunaan Teknologi Informasi dan Komunikasi (TIK) yang memungkinkan terselenggaranya cara yang lebih efisien dalam memberikan edukasi Pendidikan yang memudahkan bagi para tenaga pendidik, siswa, dan mahasiswa. Tujuan penelitian ini adalah untuk membuat produk pada pengembangan media pembelajaran di mata kuliah sistem telekomunikasi dengan menggunakan metode ADDIE berbasis digital. Penelitian ini merupakan penelitian pengembangan RD (Research and Development) yang menggunakan model ADDIE, yang terdiri dari lima tahap yakni  1.) Analysis; 2.) Design; 3.) Development; 4.) Implementation; end 5.) Evaluation. Media pembelajaran yang dikembangkan merupakan sebuah website yang dapat digunakan untuk mata kuliah Sistem Telekomunikasi pada Jurusan Teknik Elektro dan Komputer Fakultas Teknik Universitas Negeri Gorontalo. Hasil penelitian ini berupa media pembelajaran berbasis website yang dapat digunakan untuk proses pembelajaran mata kuliah Sistem Telekomunikasi dan telah di sesuaikan dengan kebutuhan berdasarkan analisis kebutuhan pada Jurusan Teknik Elektro dan Komputer Fakultas Teknik Universitas Negeri Gorontalo.
Estimation of Electrical Power Needs at PT PLN UP3 Luwuk Using The Linear Regression Method
Authors: Budianto Budianto , Mohamad Yasin , Wiranto Ifan , Matoka Arifin , Tolago Ade Irawaty , Amali Lanto Mohamad Kamil
Published: January 2025

Banggai Regency is one of the areas in Central Sulawesi experiencing rapid economic growth. This condition has led to an increased demand for electricity in the region. Therefore, accurate predictions of electricity demand are needed for proper planning in providing electricity in the future. This research aims to predict the electricity demand in Banggai Regency for the next three years (2024-2026). The research employs the Simple Linear Regression method using historical data on electricity consumption in Banggai Regency. The prediction results indicate that the electricity demand in Banggai Regency will continue to increase. The increase in customers is noted with a percentage increase in social (13,956%), households (12,222%), businesses (8,289%), industries (40,752%), and government (8,014%). The increase in connected power is recorded with a percentage increase in social (30,502%), households (18,315%), businesses (16,037%), industries (40,373%), and government (6,704%). This information is crucial for stakeholders to plan adequate and sustainable electricity infrastructure and policies in Banggai Regency in the future.Kabupaten Banggai merupakan salah satu daerah di Sulawesi Tengah yang mengalami pertumbuhan ekonomi yang cukup pesat. Hal ini menyebabkan peningkatan kebutuhan energi listrik di daerah tersebut. Untuk itu, diperlukan prediksi kebutuhan energi listrik yang akurat agar dapat dilakukan perencanaan yang tepat dalam penyediaan energi listrik di masa depan. Penelitian ini bertujuan untuk memprediksi kebutuhan energi listrik di Kabupaten Banggai dalam kurun waktu tiga tahun ke depan (2024-2026). Metode yang digunakan dalam penelitian ini adalah metode regresi linier sederhana dengan menggunakan data historis konsumsi energi listrik di Kabupaten Banggai. Hasil prediksi menunjukkan bahwa kebutuhan energi listrik di Kabupaten Banggai akan terus meningkat di masa depan Kenaikan pelanggan didapatkan kenaikan dengan persentase sebesar: sosial (13,956%); rumah tangga (12,222%); bisnis (8,289%); industri (40,752%); dan pemerintah (8,014%). Peningkatan daya tersambung tercatat dengan peningkatan persentase sebesar: sosial (30,502%); rumah tangga (18,315%); bisnis (16,037%); industri (40,373%); dan pemerintah (6,704%). Informasi ini penting bagi pemangku kepentingan terkait untuk merencanakan infrastruktur dan kebijakan kelistrikan yang memadai dan berkelanjutan di Kabupaten Banggai di masa depan.
Application of the K-Medoids Clustering Algorithm to Determine the Nutritional Status of Toddlers
Authors: Betrisandi Betrisandi , Hasan Maryam , Bahrin Bahrin
Published: January 2025

Stunting is a chronic malnutrition problem due to a lack of nutritional intake in the body for a long time, as a result of which there is a growth disorder in children, namely the child's height becomes shorter or dwarfed than the standard age. The problem of malnutrition in toddler is a major concern in various countries. Based on the data from the Ministry of Health of the Republic of Indonesia in 2018, 30.8% of Indonesian toddlers were malnourished. Malnutrition in toddlers is very influential on physical and mental growth such as intellectual intelligence, speaking, walking, learning, immune system and low body immune system. The purpose of thisstudy is to classify the nutritional status of toddler into five cluster namely cluster 0 poor, cluster 1 undernourished, cluster 2 good nutrition, cluster 3 over nutrition and cluster 4 obesity by using the K-Medoids Algorithm method. K-Medoids Algorithmis one of the Algorithm used in data and mining. K-Medoids Algorithm is relatively fast and simple, making it easier to find Medoids in a group (cluster). Based on the data on toddlers there are 74 toddlers, the results of clustering are obtained from grouping, cluster 0 is 13 toddlers with bad nutrition, cluster 1 is undernutrition 15 toddlers, cluster 2 is good nutrition 21 toddlers, cluster 3 is over nutrition 23 toddlers and cluster 4 is obesity totaling 2 toddlers.Stunting merupakan masalah kurang gizi kronis karena kurangnya asupan gizi pada tubuh dalam waktu yang cukup lama akibatnya terjadi gangguan pertumbuhan pada anak-anak yakni tinggi badan anak menjadi lebih pendek atau kerdil dari standar usianya. Masalah kurang gizi padakelompok balita menjadi perhatian utama diberbagai negara. Berdasarkan data Kemenkes RI tahun 2018 sebanyak 30,8 % balita Indonesia mengalami gizi buruk. Gizi kurang pada balita sangat berpengaruh pada pertumbuhan fisik maupun mental seperti kecerdasan intelektual, berbicara, berjalan, belajar, daya tahan tubuh serta sistem imun tubuh rendah. Adapun tujuan dari penelitian ini adalah untuk mengelompokkan status gizi balita ke dalam 5 cluster yaitu cluster 0 gizi buruk, cluster 1 gizi kurang, cluster 2 gizi baik, cluster 3 gizi lebih dan cluster 4 obesitas dengan menggunakan metode Algoritma K-Medoids. Algoritma K-Medoids merupakan salah satu algoritma yang digunakan dalam data mining. Algoritma K-medoids relatif cepat dan sederhana sehingga memudahkan menemukan medoids dalam sebuah kelompok (cluster). Berdasarkan data balita yang ada sejumlah 74 balita maka didapatkan hasil clustering dari pengelompokkan dengan cluster 0 yaitu gizi Buruk berjumlah 13 balita, cluster 1 yaitu gizi kurang berjumlah 15 balita, cluster 2 yaitu gizi baik sejumlah 21 balita, cluster 3 yaitu gizi lebih berjumlah 23 balita dan cluster 4 obesitas berjumlah 2 balita.
Energy Consumption Monitoring of Solar-Powered Street Lighting Using LoRa and Fuzzy Inference System
Authors: Rozie Fachrul , Chandra Yudi , Suwanda Ivan
Published: January 2025

Street lighting is a vital infrastructure requiring efficient energy management to reduce operational costs and environmental impact. The use of Internet of Things (IoT) technology like Long Range (LoRa) in energy monitoring systems for street lighting offers a solution for real-time monitoring and control of energy consumption with low cost and wide coverage. This research aims to develop and implement an energy consumption monitoring system for street lighting using LoRa technology, evaluating system performance in terms of monitoring accuracy, reliability, and energy efficiency. The research stages include literature review, system design, hardware and software development, as well as testing and validation. The system is tested in a controlled environment to ensure accuracy and reliability. Data analysis is conducted to identify energy consumption patterns and potential savings. Results show that the voltage of the solar panel system increases during the day with sunlight intensity, while current is utilized as the lights turn on towards the evening. At 19:30, maximum power consumption is within the ideal range, with voltage gradually decreasing as the lights are used. MATLAB analysis reveals a normal energy efficiency value of 50% for the system.Lampu Penerangan Jalan merupakan infrastruktur vital yang memerlukan energi pengelolaan yang efisien untuk mengurangi biaya operasional dan dampak lingkungan. Penggunaan teknologi Internet of Things (IoT) seperti Long Range (LoRa) pada sistem pemantauan energi LPJU menawarkan solusi pemantauan dan pengendalian konsumsi energi secara real-time dengan biaya rendah dan jangkauan luas. Penelitian ini bertujuan dan mengembangkan sistem pemantauan konsumsi energi LPJU menggunakan LoRa, serta menghasilkan sistem kinerja dalam hal pengukuran, pelaporan, dan efisiensi energi. Tahapan penelitian meliputi studi literatur, perancangan sistem, pengembangan perangkat keras dan lunak, serta pengujian dan validasi. Sistem ini diuji di lingkungan terkendali untuk memastikan akurasi dan resolusi. Analisis data dilakukan untuk mengidentifikasi pola konsumsi energi dan penghematan. Hasil penelitian menunjukkan bahwa tegangan sistem panel surya meningkat pada siang hari seiring intensitas sinar matahari, sementara arus digunakan saat lampu menyala menjelang malam. Pada pukul 19.30, konsumsi daya maksimum berada dalam kisaran ideal, dan tegangan menurun seiring penggunaan lampu. Analisis data menggunakan MATLAB menunjukkan nilai efisiensi daya normal sistem ini adalah 50%.
The Potential of Biogas from Organic Waste in the Talumelito Landfill as a Source of Renewable Energy
Authors: Harun Ervan Hasan , Ilham Zul , Ilham Jumiati , Yusuf Taufiq Ismail
Published: January 2025

Environmental issues and the need for renewable energy sources have driven innovation in utilizing waste as a raw material for energy production. This study aims to assess the potential of organic waste from the Talumelito landfill in Gorontalo Regency as a source of electricity through biogas technology. The methods used involve a mixed approach, combining quantitative measurements of the amount of organic waste and qualitative analysis of the potential biogas and electricity that can be generated. The results show that in one week, a total of 587,427 kg of waste was disposed of at the Talumelito landfill, with 41,650 kg (7.1%) being organic waste. From this organic waste, an average daily biogas volume of 825.6 m³ was obtained, producing a weekly methane gas volume of 3,688.5 m³. The potential electricity generated from this organic waste is 34,634.9 kWh per week, or approximately 4,947.8 kWh per day. The study concludes that organic waste at the Talumelito landfill has significant potential to be developed as an environmentally friendly electricity source.Masalah lingkungan dan kebutuhan akan sumber energi baru terbarukan (EBT) yang ramah lingkungan mendorong inovasi dalam pemanfaatan sampah sebagai bahan baku energi. Penelitian ini bertujuan untuk mengkaji potensi pemanfaatan sampah organik dari Tempat Pembuangan Akhir (TPA) Talumelito di Kabupaten Gorontalo sebagai sumber energi listrik melalui teknologi biogas. Metode yang digunakan adalah pendekatan gabungan (mixed methods) yang melibatkan pengukuran kuantitatif terhadap jumlah timbulan sampah organik dan pendekatan kualitatif untuk menganalisis potensi biogas serta energi listrik yang dapat dihasilkan. Hasil penelitian menunjukkan bahwa dalam satu minggu, total sampah yang masuk ke TPA Talumelito adalah 587.427 kg, dengan jumlah sampah organik sebesar 41.650 kg (7,1%). Dari sampah organik ini, diperoleh volume biogas harian rata-rata sebesar 825,6 m³, dengan volume gas metana mingguan sebesar 3.688,5 m³. Potensi energi listrik yang dapat dihasilkan dari sampah organik tersebut adalah sebesar 34.634,9 kWh per minggu, atau sekitar 4.947,8 kWh per hari. Kesimpulan dari penelitian ini menunjukkan bahwa sampah organik di TPA Talumelito memiliki potensi signifikan untuk dikembangkan sebagai sumber energi listrik yang ramah lingkungan.
Reviewers of articles received in 2024
Authors: Hoffman L.
Published: January 2025

A list of reviewers and their affiliations for the year 2024.
Approximation of analytic functions by generalized shifts of the Lerch zeta-function
Authors: Balčiūnas Aidas , Mikalauskaitė Toma , Šiaučiūnas Darius
Published: January 2025

In the paper, we approximate analytic functions by generalized shifts $L(\lambda, \alpha, s+ig(\tau))$, $s=\sigma+it$, of the Lerch zeta-function, where $g$ is a certain increasing to $+\infty$ real function having a monotonic derivative. We prove that, for arbitrary parameters $\lambda$ and $\alpha$, there exists a closed set $\FF_{\lambda, \alpha}$ of analytic functions defined in the strip $1/2< \sigma<1$ which functions are approximated by the above shifts. If the set of logarithms $\log(m+\alpha)$, $m\in \NN_0$, is linearly independent over the field of rational numbers, then the set $\FF_{\lambda, \alpha}$ coincides with the set of all analytic functions in that strip.
Effects of Planetary Mass Uncertainties on the Interpretation of the Reflectance Spectra of Earth-like Exoplanets
Authors: Damiano Mario , Burr Zachary , Hu Renyu , Burt Jennifer , Kataria Tiffany
Published: January 2025

Atmospheric characterization of Earth-like exoplanets through reflected light spectroscopy is a key goal for upcoming direct imaging missions. A critical challenge in this endeavor is the accurate determination of planetary mass, which may influence the measurement of atmospheric compositions and the identification of potential biosignatures. In this study, we used the Bayesian retrieval framework EXOREL
ℜ
to investigate the impact of planetary mass uncertainties on the atmospheric characterization of terrestrial exoplanets observed in reflected light. Our results indicate that precise prior knowledge of the planetary mass can be crucial for accurate atmospheric retrievals if clouds are present in the atmosphere. When the planetary mass is known within 10% uncertainty, our retrievals successfully identified the background atmospheric gas and accurately constrained atmospheric parameters together with clouds. However, with less constrained or unknown planetary mass, we observed significant biases, particularly in the misidentification of the dominant atmospheric gas. For instance, the dominant gas was incorrectly identified as oxygen for a modern Earthlike planet or carbon dioxide for an Archean Earth–like planet, potentially leading to erroneous assessments of planetary habitability and biosignatures. These biases arise because the uncertainties in planetary mass affect the determination of surface gravity and atmospheric scale height, leading the retrieval algorithm to compensate by adjusting the atmospheric composition. Our findings emphasize the importance of achieving precise mass measurements—ideally within 10% uncertainty—through methods such as extreme precision radial velocity or astrometry, especially for future missions like the Habitable Worlds Observatory.
The Magnetically Induced Radial Velocity Variation of Gliese 341 and an Upper Limit to the Mass of Its Transiting Earth-sized Planet
Authors: DiTomasso Victoria , López-Morales Mercedes , Peacock Sarah , Malavolta Luca , Kirk James , Stevenson Kevin B. , Fu Guangwei , Lustig-Yaeger Jacob
Published: January 2025

The Transiting Exoplanet Survey Satellite (TESS) mission identified a potential 0.88R
⊕ planet with a period of 7.577 days, orbiting the nearby M1V star GJ 341 (TOI 741.01). This system has already been observed by the James Webb Space Telescope (JWST) to search for presence of an atmosphere on this planet. Here, we present an in-depth analysis of the GJ 341 system using all available public data. We provide improved parameters for the host star, an updated value of the planet radius, and support the planetary nature of the object (now GJ 341 b). We use 57 HARPS radial velocities to model the magnetic cycle and activity of the host star, and constrain the mass of GJ 341 b to upper limits of 4.0 M
⊕ (3σ) and 2.9 M
⊕ (1σ). We also rule out the presence of additional companions with M sin i > 15.1 M
⊕, and P < 1750 days, and the presence of contaminating background objects during the TESS and JWST observations. These results provide key information to aid the interpretation of the recent JWST atmospheric observations and other future observations of this planet.
The Hubble Space Telescope Survey of M31 Satellite Galaxies. IV. Survey Overview and Lifetime Star Formation Histories
Authors: Savino Alessandro , Weisz Daniel R. , Dolphin Andrew E. , Durbin Meredith J. , Kallivayalil Nitya , Wetzel Andrew , Anderson Jay , Besla Gurtina , Boylan-Kolchin Michael , Brown Thomas M. , Bullock James S. , Cole Andrew A. , Collins Michelle L. M. , Cooper M. C. , Deason Alis J. , Dotter Aaron L. , Fardal Mark , Ferguson Annette M. N. , Fritz Tobias K. , Geha Marla C. , Gilbert Karoline M. , Guhathakurta Puragra , Ibata Rodrigo , Irwin Michael J. , Jeon Myoungwon , Kirby Evan N. , Lewis Geraint F. , Mackey Dougal , Majewski Steven R. , Martin Nicolas , McConnachie Alan , Patel Ekta , Rich R. Michael , Skillman Evan D. , Simon Joshua D. , Sohn Sangmo Tony , Tollerud Erik J. , van der Marel Roeland P.
Published: January 2025

From >1000 orbits of HST imaging, we present deep homogeneous resolved star color–magnitude diagrams that reach the oldest main-sequence turnoff and uniformly measured star formation histories (SFHs) of 36 dwarf galaxies (−6 ≥ M

V
≥ −17) associated with the M31 halo, and for 10 additional fields in M31, M33, and the Giant Stellar Stream. From our SFHs, we find: (i) The median stellar age and quenching epoch of M31 satellites correlate with galaxy luminosity and galactocentric distance. Satellite luminosity and present-day distance from M31 predict the satellite quenching epoch to within 1.8 Gyr at all epochs. This tight relationship highlights the fundamental connection between satellite halo mass, environmental history, and star formation duration. (ii) There is no difference between the median SFH of galaxies on and off the great plane of Andromeda satellites. (iii) ~50% of our M31 satellites show prominent ancient star formation (>12 Gyr ago) followed by delayed quenching (8–10 Gyr ago), which is not commonly observed among the MW satellites. (iv) A comparison with TNG50 and FIRE-2 simulated satellite dwarfs around M31-like hosts shows that some of these trends (dependence of SFH on satellite luminosity) are reproduced in the simulations while others (dependence of SFH on galactocentric distance, presence of the delayed-quenching population) are weaker or absent. We provide all photometric catalogs and SFHs as High-Level Science Products on MAST.
Ellipticities of Galaxy Cluster Halos from Halo–Shear–Shear Correlations
Authors: Liu Zhenjie , Zhang Jun , Liu Cong , Li Hekun
Published: January 2025

We report the first detection of the halo ellipticities of galaxy clusters by applying the halo–shear–shear correlations (HSSCs), without the necessity of using major axis determination. We use the Fourier_Quad shear catalog based on the Hyper Suprime-Cam Survey and the group catalog from the Dark Energy Spectroscopic Instrument Legacy Surveys for the measurement of group/cluster lensing and HSSC. Our analysis includes off-centering effects. We obtain the average projected ellipticity of dark matter halos with mass

13.5
<
log
(

M

G

h
/

M

⊙

)
<
14.5

within a 1.3 virial radius to be

0.4

8

−
0.19

+
0.12

. We divide the sample into two groups based on mass and redshift, and we find that halos with higher mass tend to exhibit increased ellipticity. We also reveal that high-richness halos have larger ellipticities, confirming the physical picture from numerical simulation that high-richness halos have a dynamical youth and more active mass accretion phase.
Introducing the Condor Array Telescope. V. Deep Broad- and Narrowband Imaging Observations of the M81 Group
Authors: Lanzetta Kenneth M. , Gromoll Stefan , Shara Michael M. , Valls-Gabaud David , Walter Frederick M. , Webb John K.
Published: January 2025

We used the Condor Array Telescope to obtain deep imaging observations through the luminance broadband and He ii 468.6 nm, [O iii] 500.7 nm, He i 587.5 nm, Hα, [N ii] 658.4 nm, and [S ii] 671.6 nm narrowband filters of an extended region comprising 13 “Condor fields” spanning ≈ 8 × 8 deg2 on the sky centered near M81 and M82. Here we describe the acquisition and processing of these observations, which together constitute unique very deep imaging observations of a large portion of the M81 Group through a complement of broad- and narrowband filters. The images are characterized by an intricate web of faint, diffuse, continuum produced by starlight scattered from Galactic cirrus, and all prominent cirrus features identified in the broadband image can also be identified in the narrowband images. We subtracted the luminance image from the narrowband images to leave, more or less, only line emission in the difference images, and we masked regions of the resulting images around stars at an isophotal limit. The difference images exhibit extensive extended structures of ionized gas in the direction of the M81 Group, from known galaxies of the M81 Group, clouds of gas, filamentary structures, and apparent or possible bubbles or shells. Specifically, the difference images show a remarkable filament known as the “Ursa Major Arc;” a remarkable network of criss-crossed filaments between M81 and NGC 2976, some of which intersect and overlap the Ursa Major Arc; and details of a “giant shell of ionized gas.”
Persistent GeV Counterpart to the Microquasar GRS 1915+105
Authors: Martí-Devesa Guillem , Olivera-Nieto Laura
Published: January 2025

Microquasars are compact binary systems hosting collimated relativistic jets. They have long been proposed as cosmic-ray accelerators, probed via the gamma-ray emission produced by relativistic particles. However, the observational evidence is steadily increasing but limited: there are around 20 microquasars known to date, of which only 3 have so far been firmly detected in the GeV gamma-ray range, always in a flaring or special spectral state. Here we present Fermi-LAT observations of the region around the microquasar GRS 1915+105, which reveal the presence of previously unknown multi-GeV emission consistent with the position of the microquasar. No periodicity or variability is found, indicating a persistent source of gamma rays. The properties of the emission are consistent with a scenario in which protons accelerated in the jets interact with nearby gas and produce gamma rays. We find that if the jet has been operating at an average of 1% of the Eddington limit for 10% of the time that GRS 1915+105 spent in its current mass transfer state, the transfer of 10% of the available power to protons is enough to reach the ∼3 × 1049 erg required to explain the GeV signal. Therefore, our results support a scenario in which microquasars with low-mass stellar companions act as hadronic accelerators, strengthening the idea that microquasars as a class contribute to at least some fraction of the observed cosmic-ray flux.
First discovery of the genus Enicopus Stephens (Coleoptera, Dasytidae) from China
Authors: Miao Jialin , Liu Haoyu , Tong Junbo , Yang Xingke , Yang Yuxia
Published: January 2025

Enicopus Stephens, 1830, is classified within the subfamily Dasytinae of the family Dasytidae (Coleoptera, Cleroidea). Currently, it comprises two subgenera and 27 known species. This genus primarily inhabits south-central Europe, with certain species extending into west Asia; however, it has not been reported in China until now.

The genus Enicopus Stephens, 1830 is reported for the first time from China, following the discovery of E. (Enicopus) ater (Fabricius, 1787) in Xinjiang Autonomous Region. This species is thoroughly re-described and illustrated, including detailed depictions of the ultimate abdominal tergites and sternites, genitalia of both sexes, as well as tarsomeres 1 from the right front and hind legs of male.
An integrative approach to a revision of the freshwater mussel genus Songkhlanaia (Bivalvia, Unionidae), with the description of a new species
Authors: Jeratthitikul Ekgachai , Sutcharit Chirasak , Prasankok Pongpun
Published: January 2025

Mainland Southeast Asia, also known as Indochina, is recognized as a global biodiversity hotspot for freshwater mussels, hosting a significant number of species and exhibiting high levels of endemism. Recently, the monotypic genus Songkhlanaia was described from the Songkhla Lake Basin in southern Thailand. In this study, two additional lineages are revealed, S. moreleticomb. nov. and S. songkhramensissp. nov., from the Mekong Basin through an integrative taxonomic approach combining morphological characters and molecular phylogenetic analyses. The multi-locus phylogenetic inference supported the monophyly of the genus and further elucidated the sister relationship between S. moreleti and the new species, and with S. tamodienica positioned as a basal lineage. Pairwise uncorrected COI p-distances among these three species also supported the species validity and ranged from 4.2% to 8.24%. Notably, S. songkhramensissp. nov. and S. moreleti exhibit similarities in shell morphology; however, the new species can be differentiated by more robust pseudocardinal teeth. Both species are distinguishable from S. tamodienica by their approximately twice larger size, more inflated shells, and more prominent, roughened, irregular growth lines on the shell surface. Furthermore, based on the current data, these three species are recognized as endemic and are restricted to disjunct biogeographic areas in Indochina: S. tamodienica in the Songkhla Lake Basin in southern Thailand, S. moreleti in the Tonle Sap and Lower Mekong basins, and S. songkhramensissp. nov. in the Songkhram Basin and its nearby tributaries of the Middle Mekong Basin.
Être nature : une nouvelle permission pour une approche écologique émergente
Authors: Blondel Agnès , Henn Sean
Published: January 2025

Cet article examine l’impact des approches écologiques d’analyse transactionnelle (éco-AT) sur la pratique professionnelle dans le champ de l’éducation. À travers deux études de cas d’élèves, l’auteur montre comment la théorie améliore son travail d’éducateur analyste transactionnel, en particulier grâce à l’adaptation de la Roue des Permissions. Il encourage la communauté d’analyse transactionnelle à envisager leur propre pratique à la lumière de l’éco-AT.
Jeux de lumières et d’obscurités de la lanterne publique : entre renforcements sécuritaires, extinctions par économie et limites des innovations techniques (Paris, Barcelone, 18 e siècle)
Authors: Bothereau Benjamin
Published: January 2025

Le décalage entre l’idéal policier moderne d’une appréhension homogène – « géométrique » – du tissu urbain grâce à l’éclairage et la réalité de la persistance de zones d’obscurité est particulièrement perceptible pendant les périodes de trouble à l’ordre public. À Paris comme à Barcelone, les épisodes révolutionnaires du 18 e  siècle mettent à rude épreuve la nouvelle lanterne à « réverbère ». En se tenant au plus près de l’objet lui-même, cet article interroge les limites de l’innovation technique en matière d’éclairage public.
Faire de la recherche avec les professionnels… et les familles ? Obstacles et empêchements d’une démarche inclusive
Authors: Pin Clément , Pelhate Julie
Published: January 2025

L’article propose une analyse croisée de deux recherches collaboratives avec des professionnels éducatifs, en contexte d’éducation prioritaire avec pour volonté de revenir sur les relations entre école et familles, sous l’angle de l’autonomie des élèves et de l’aide aux devoirs. L’objectif est de réfléchir aux modalités de concrétisation de ce type de recherche et d’identifier les conditions leur permettant d’être bénéfiques en termes d’inclusion. Plus spécifiquement, l’article entend souligner les obstacles et empêchements auxquels les chercheurs se trouvent confrontés en situation de recherches avec des professionnels éducatifs et des parents. Après avoir situé les visées et enjeux concrets des recherches collaboratives sur la coéducation, l’article présente les deux recherches sous l’angle de la participation ou non des parents. Dans une dernière partie, les obstacles et empêchements sont analysés sous l’angle des défis caractéristiques des processus inclusifs. La démarche de recherche avec est présentée comme un possible soutien à la coéducation présentant des contraintes porteuses d’innovation pour la recherche.
Équithérapie et prévention des difficultés d’apprentissage : vers un outil d’évaluation systémique des effets d’un dispositif
Authors: Jacquet-Galiacy Mylène
Published: January 2025

Souhaitant œuvrer à l’éducation inclusive, la Direction diocésaine de l’enseignement catholique du département de l’Ariège et de la Haute-Garonne a mis en place un dispositif expérimental portant sur l’équithérapie et la prévention de difficultés d’apprentissage des élèves de Grande section, Cours préparatoire et Cours élémentaire 1 re année. Ce dispositif a pour objectif de prévenir le décrochage scolaire et l’installation de difficultés durables. 15 élèves de six écoles de Haute-Garonne sont accompagnés sur temps scolaire à des séances d’équithérapie. Depuis sa mise en place, le dispositif n’avait pas été évalué afin d’objectiver l’impact d’un accompagnement en équithérapie sur les difficultés que les enfants ciblés rencontrent dans leurs apprentissages. L’objectif de cet article vise donc à retracer les phases de cette recherche, de l’observation du dispositif jusqu’à son outillage évaluatif.
Estudio experimental de la resistencia al corte de vigas de gran canto de hormigón reforzado con fibras
Authors: Denardi Miqueas , Rougier Viviana
Published: January 2025

En este trabajo se presentan los resultados de una campaña experimental en la que se evaluó la contribución en resistencia y ductilidad de las fibras de acero e híbridas en el comportamiento a corte de vigas de gran canto (VGC). Para ello, se ensayaron a flexión, VGC de hormigón armado con barras y estribos tradicionales de acero, y vigas de hormigón reforzado con fibras de acero (HRFA) y de hormigón reforzado con fibras híbridas (HRFH) con una reducción del 33% del refuerzo de estribos verticales y sin estribos horizontales. Se observó que las VGC de hormigón con fibras hibridas alcanzaron cargas máximas de entre un 4 % y un 7% mayores a las de las vigas con armadura mínima reglamentaria a corte y mostraron una mayor resistencia residual post pico de cargas.
Sustainable Solid Waste Management in Developing Countries: Converting Urban Wood, Garden, Food, and Cardboard Waste Into Biochar Using Pyrolysis
Authors: Herath H. M. T. C. , Udayanga W. D. C. , Dunusinghe D. N. L. , Vidusanka K. D.
Published: January 2025

Effective municipal solid waste (MSW) management presents a critical challenge globally, exacerbated by rapid urbanisation, population growth, and shifting consumption patterns. This review paper focuses on the sustainable management of food, wood, garden, and cardboard waste (FW, GWW, and CW) in developing countries, with a particular emphasis on Sri Lanka. The review highlights the urgent need for innovative solutions due to the inefficiencies of current waste management practices, which primarily involve open dumping and limited composting and recycling. This review aims to evaluate the potential of pyrolysis technology in converting these waste streams into Biochar, a valuable by-product with numerous environmental, agricultural, and industrial applications. The methodology involved a comprehensive literature review using resources like Google Scholar and Science Direct, focusing on the application of Pyrolysis for transforming waste into Biochar. Key findings indicate that Pyrolysis offers a viable solution by converting waste into Biochar, which has beneficial applications in agriculture and environmental management. Pyrolysis techniques are noted for their potential to reduce methane emissions, improve soil fertility, and enhance waste-to-energy conversion. The review recommends enhancing waste segregation and collection infrastructure, promoting sustainable waste management techniques, increasing public awareness, and investing in research and development. Policy support and public-private partnerships are also essential for improving waste management practices. Future research should explore circular economy principles, the long-term impacts of current practices, and advanced waste processing technologies. Implementing these recommendations can significantly advance MSW management, mitigate environmental pollution, and promote public health, fostering more sustainable urban environments.
Anticancer Therapeutic Potential of Natural Products
Authors: Afkar A. , Afolabi B. O. , Piyathilake P. C. , Perera D. N. , Senathilake K. , Wijerathne S. K. , Galhena B. P. , Samarakoon S. R.
Published: January 2025

Cancer remains a significant global health concern, with millions of new cases and deaths recorded annually. The limitations of conventional therapies, including chemotherapy and radiation, have driven the search for potent and less toxic alternatives. Natural products have emerged as promising candidates for cancer treatment due to their diverse biological activities, such as antioxidant, anti-inflammatory, and immunomodulatory effects. This review explores the anticancer potential of various natural products derived from plants, marine organisms, and microorganisms. These natural compounds, including flavonoids, alkaloids, terpenoids, polyphenols, and others, have demonstrated multiple mechanisms of action, such as inducing apoptosis, inhibiting cancer cell proliferation, and modulating signalling pathways. Despite the challenges in development, such as bioavailability, regulatory hurdles, and intellectual property issues, natural products continue to offer valuable insights and opportunities for innovative cancer therapies. The review highlights the importance of integrating natural products into modern therapeutic regimens to enhance the efficacy and safety of cancer treatments, emphasizing the need for further research to realize their full potential.
Exploring Digital Library Adoption Intention through UTAUT: A Systematic Review
Authors: Abeysekera K. H. T. , Jayasundara C. C. , Withanaarachchi A.
Published: January 2025

Digital libraries (DLs) play a crucial role in university education and research, making it necessary to understand the factors affecting users' intention to use them. Literature reviews are crucial in this regard. However, limited systematic reviews using Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) on university DL acceptance were studied using the Unified Theory of Acceptance and Use of Technology (UTAUT) framework and its variants. UTAUT encompasses eight models/theories used to study IS with high explanatory power. This study mainly aims to 1) classify the existing literature according to the factors studied, 2) identify the confirmed relationships among the factors affecting usage intention, 3) identify the countries studied, and 4) suggest future research in this area. The study reviewed 28 publications selected from 181 studies identified from two commercial databases and Google Scholar. In addition to applying inclusion/exclusion criteria, a quality assessment of the selected studies was done to ensure that the quality differences do not affect the study results. All 28 studies passed the quality assessment. Among the factors influencing DL usage, 'facilitating conditions' emerged as the most extensively studied factor, while the effect of performance expectancy on usage intention has been confirmed the most. Finally, the behaviour of each affecting factor has been discussed, and the way forward has been signposted.
Location of the Sinhala in Regional Linguistic Historicity and the Identity of Sinhala Language
Authors: Arangala R.
Published: January 2025

The purpose of this study is to locate the Sinhala language in the South Asian linguistic area and the Indo-Aryan subgroup and to examine the concepts and ideas related to the origin and evolution of the Sinhala language. The data were collected using document analysis and analysed using content analysis. Building the relevant rationale by analysing and synthesising the results of previous studies is the study path followed here. According to the findings, it is evident that the identity of the Sinhala language is the result of a different evolutionary path than other languages belonging to the Indo-Aryan sub-group of the Indo-European language family. Since Sinhala began to exhibit its independent aspect before the beginning of the 'Modern Indo-Aryan languages', it is justified to consider the Sinhala language as a modern language that emerged from the contact of a Middle Indo-Aryan dialect with the Old Indo-Aryan languages and the languages belong to other language families such as Dravidian and Sino-Tibetan. Although Sanskrit and the language known as 'Pali' are recognised as the 'mother languages' of Sinhala, there is no evidence that Sinhala was initiated as a dialect of either Sanskrit or 'Pali'. According to the historical analysis, several Prakrit vernaculars led to the source of the Vedic language, which was developed and modified as Sanskrit during 5c. B.C. was isolated from the original mainland and developed independently on this island. The mixing of Prakrit dialects on this island and the contact with the languages of the early inhabitants of the island was the first step in the independent aspect of the Sinhala and the contact with the colloquial languages of other nations arrived here due to various socio-economic, political, and cultural relationships led to the preparation of the new face of Sinhala. The origin and evolution of the Sinhala language took place through admixture with other non-Dravidian languages - mainly Tamil, the primary language of the Dravidian language family. The reasons for finding a vocabulary similar to Sanskrit and Pali languages - which are considered to have evolved from them - are that the Prakrit verículars based on those languages are rooted in the source of Sinhala and the development of Sinhala language due to socio-cultural (educational and religious etc.) reasons similar to Sanskrit and Pali languages. It is clear that the use of loan words and a derived vocabulary and the influence of the grammatical features of those languages.
Focus and Scope: Sri Lanka - Galle District
Authors: Amarasekara Sumedha S.
Published: January 2025

No abstract available
Abstracts from the SLOA : 15th Annual Sessions 2023
Authors: Amarasekara Sumedha S.
Published: January 2025

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The intersection of Christian education and philosopher-feminist thought: Addressing child marriage in Indonesia
Authors: Munte Alfonso
Published: January 2025

One of the global challenges addressed in this article, particularly in the Global South, is the high prevalence of child marriage. The author is situated in an area with one of the highest rates of child marriage in Indonesia. The rationale for selecting this case study is to examine the concept of spiritual freedom and its potential to empower women to challenge the oppression they face with regard to their bodies, rights, and futures. Child marriage should be regarded as a criminal act in the context of Christianity. However, this issue does not appear to be a prominent topic in educational institutions, places of worship, or global discourse. This research employs a qualitative methodology, utilising interview techniques with women who have experienced child marriage. The author then engaged in a process of reflection with feminist philosopher Iris Marion Young, concurrently addressing theological concerns and the role of Christian education. The findings indicate that Christianity and government policy on health are inextricably linked, as health is a divine mandate for humanity to fulfil its responsibilities.Contribution: This article makes a contribution to the field of research in Central Kalimantan and serves to proclaim to the global community that Christian education must address the issue of child marriage as a matter of urgency.