bluuebunny/crossref_metadata_2025_split huggingface dataset:
Anxiety disorders among youth with substance use and associated factors in Northwest Ethiopia: A community-based study
Authors: Melkam Mamaru , Demilew Demeke , Kassew Tilahun , Fanta Biruk , Yitayih Sewbesew , Alemu Kassahun , Muhammed Yassin , Getnet Berhanie , Abetu Eden , Tarekeg Gebrekidan Ewnetu , Oumer Mohammed , Nenko Goshu 
Published: March 2024

Introduction
Anxiety disorder is an unpleasant emotional feeling with symptoms related to psychological and autonomic symptoms such as headache, perspiration, palpitations, dizziness, and stomach discomfort. The use of substances become a worldwide problem among youth which brings situation that leads to serious social and health-related problems. Anxiety disorders with substance use have a huge impact on their high prevalence, therapeutic issues, and poor prognosis on clinical effects. Although the prevalence of anxiety disorders is significant among young people who use substances, limited studies were conducted. Therefore, this study revealed the burden of anxiety disorders among youth with substance use and associated factors in Ethiopia.

Method
A community-based multi-stage with a simple random sampling technique was conducted. A total of 372 substance users study participants were recruited for this study. Alcohol, Smoking, and Substance Involvement Screening Tests, Depression Anxiety Stress Scales, and other tools were used to assess anxiety disorders with substance use and associated factors. Data were entered into Epi-data version 4.6, and exported to SPSS version 20 for further analysis. Bi-variables logistic regression analysis was employed to identify variables with a p-value of < 0.2 and associated factors were determined in multi-variables logistic regression analysis with a p-value < 0.05 with AOR and CI.

Results
From a total of 372 respondents the overall prevalence of anxiety disorders with substance use was 48.1%. Male sex [AOR = 1.99; 95% CI: (1.01–3.93)], low educational status of the father [AOR = 6.38 95%CI: (1.50–7.08)], and the presence of stress [AOR = 2.48; 95% CI: 2.48(2.43–4.40)] were significantly associated factors with anxiety disorders with substances use.

Conclusions and recommendations
The prevalence of anxiety disorders with substance use was 48.1% therefore; it is recommended that the zonal administration give collaborative work with the health bureau and facilitate awareness creation about the impact of substance abuse. Clinicians are recommended to mitigate anxiety disorders with substance use to get a good prognosis for clients with controlling their stress.
Radar (sentinel 1 data)-based flood mapping in Rivers State, Nigeria
Authors: M. Menegbo Emmanuel , J. Emengini Ebele 
Published: March 2024

The existence of floods in Nigeria, a notable environmental issue, is primarily linked to human-induced causes. These are largely linked to global warming causing shifts in climate patterns. Flooding is not always a direct result of preceding factors like heavy rain or dam overflow. Instead, it is frequently triggered by human actions such as overloading main rivers or inappropriate land use. The purpose of this study was to pinpoint areas prone to flooding in Rivers State. The main goals included the development of a spatial map depicting areas susceptible to floods. The research leverages multiple data sources, Shuttle Radar Topography Mission Digital Elevation and Rivers State Administrative Map, as well as Sentinel-1 SAR data. Assessment of potential surface runoff and identifying low probability flood-prone areas was conducted through Change Detection method on Google Earth Engine platform. ArcGIS and QGIS played a significant role in assessing the vulnerability to flood risks. The primary analyses conducted involved overlaps analysis. The study shows a vulnerability to flooding in Rivers State across a total area of 29,660 hectares, equating to 2.75% of the state's total size. This research provides important information that can aid decision-making processes in disaster preparedness, land use planning, and the implementation of effective risk reduction measures in Rivers State, and Nigeria at large. We strongly endorse the creation of Geospatial Information Systems to record the documentation of flood zones.
Pengembangan Learning Management System (LMS) untuk Pembelajaran Matematika dan IPA di Madrasah Tsanawiyah (MTs) sebagai Solusi Pembelajaran Online di Masa Pandemi Covid-19
Authors: Winarti  , Agus Kamaludin  , Nurul Arfinanti  , Annisa Firanti  
Published: March 2024

ABSTRAK
Guru sebagai “agen perubahan” sangat berpengaruh dalam meningkatkan kualitas pendidikan. Mengajar dan belajar saat ini membutuhkan terobosan baru. Covid-19 ini menjadi pemicu terjadinya perubahan yang pada akhirnya semua harus berbasis online. Tujuan penelitian ini adalah (1) mengembangakan learning management system (LMS) untuk pembelajaran sains dan MIPA, (2) mengetahui kulaitas dari LMS yang dikembangkan. Penelitian ini merupakan penelitian pengembangan dengan pendekatan 4D. Instrumen pengumpulan data berupa lembar angket kualitas produk untuk ahli materi, ahli media, peer reviewer, dan guru MIPA, serta lembar angket respons siswa. Produk yang dihasilkan dinilai kualitasnya oleh 1 ahli materi, 1 ahli media, 5 peer reviewer, dan 2 guru MIPA, dan 15 siswa MTs. Analisis data menggunakan analisis deskriptif kualitatif dan kuantitatif. Hasil penelitian ini adalah (1) telah berhasil dikembangkan LMS untuk pembelajaran sains dan matematika di Madrasah Tsanawiyah (MTs) sebagai solusi pembelajaran online di masa Pandemi Covid-19, (2) kualitas produk yang dihasilkan dalam penelitian ini adalah Sangat Baik, dengan persentase keidealan menurut ahli materi sebesar 89,5%, ahli media sebesar 88,4%, peer reviewer sebesar 89,1%, dan guru MIPA sebesar 88,7% dengan total rata-rata adalah 88,9% dengan kategori Sangat Baik, (3) respons dari siswa MTs yang menyatakan bahwa kualitas produk adalah sangat baik, dengan persentase keidealan sebesar 82,4%.
Assessing the cost-effectiveness of electric trucks in Indian food supply chains
Authors: Singh Arush , Patil Atul J. , Sharma Ramesh N. , Jarial Raj K. 
Published: March 2024

Abstract
Fostering green sustainable transportation in the Indian food supply chain with the adoption of electric trucks (ETs) is seemingly a promising alternative. However, before widescale adoption, a thorough cost-benefit analysis is essential for making an apt decision towards transitioning to ETs. Utilizing data of 13 ETs, a total cost of ownership (TCO) model has been developed that outlines the economic benefits of ETs by evaluating the impact of factors like energy consumption, charging strategy, annual driven distances, route optimization, etc. With acquisition costs of ETs constituting 50–55 % of TCO the study outlines that ETs have significantly lower energy costs of 6–12 % (50–58 % for IC-engine trucks) and maintenance costs of 6–8% (13–18 % for IC-engine trucks), thereby reducing the overall TCO. Subsequently, a fleet-level analysis of ET adoption in a food supply chain comprising of four heavy-duty trucks and 16 medium-duty trucks has been performed with emphasis on assessment of supply chain-specific parameters like battery-mass penalty, level of utilization, etc. Overall, this study provides insight for fleet managers, policymakers and industry leaders to promote sustainable through an extended use of ET in the present scenario for the food supply chain.
Assessing written production in L2 Mandarin Chinese: fluency and accuracy
Authors: Yang Li , Zhao Zenan 
Published: March 2024

Abstract
This study utilized T-unit and character-unit indices to assess learners’ written production and evaluate their writing development in second language (L2) Chinese. Through a cross-sectional design, three L2 Chinese learner groups at different instructional levels completed a timed letter-writing task within 30 min. Guided by prior research, respective T-unit and character-unit measures were selected to assess fluency and accuracy of the collected writing data. The results showed that fluency was overall positively related to learners’ instructional level, regardless of the indices (T-unit vs. character-unit). Hence, T-units per minute and characters per minute are considered both valid tools to assess fluency in L2 Chinese writing. However, only errors per character, among the accuracy measures, was found to decline linearly with the increasing level, thus suggested to be valid for tapping accuracy development in L2 Chinese writing. Based on the findings, implications regarding the assessment of L2 Chinese texts were discussed.
Closed-loop electron-beam-induced spectroscopy and nanofabrication around individual quantum emitters
Authors: Almutlaq Jawaher , Kelley Kyle P. , Choi Hyeongrak , Li Linsen , Lawrie Benjamin , Dyck Ondrej , Englund Dirk , Jesse Stephen 
Published: March 2024

Abstract
Color centers in diamond play a central role in the development of quantum photonic technologies, and their importance is only expected to grow in the near future. For many quantum applications, high collection efficiency from individual emitters is required, but the refractive index mismatch between diamond and air limits the optimal collection efficiency with conventional diamond device geometries. While different out-coupling methods with near-unity efficiency exist, many have yet to be realized due to current limitations in nanofabrication methods, especially for mechanically hard materials like diamond. Here, we leverage electron-beam-induced etching to modify Sn-implanted diamond quantum microchiplets containing integrated waveguides with a width and thickness of 280 nm and 200 nm, respectively. This approach allows for simultaneous high-resolution imaging and modification of the host matrix with an open geometry and direct writing. When coupled with the cathodoluminescence signal generated from the electron–emitter interactions, we can monitor the enhancement of the quantum emitters in real-time with nanoscale spatial resolution. The operando cathodoluminescence measurement and fabrication around single photon emitters demonstrated here provide a new foundation for the potential control of emitter–cavity interactions in integrated quantum photonics.
Pulsed excitation of a quantum oscillator: A model accounting for damping
Authors: Astapenko Valeriy , Bergaliyev Timur , Sakhno Sergey 
Published: March 2024

Abstract
This article proposes a model that accounts for damping of a quantum oscillator (QO) during pulsed excitation. Our model is based on the Schwinger formula, which calculates oscillator’s excitation probability through the energy of an associated classical damped oscillator. We utilize this model to describe the influence of damping on temporal and spectral dependences of QO excitation, induced by electromagnetic pulses with exponential and double exponential envelopes. The oscillator excitation is analyzed in terms of transition probability between stationary states after pulse termination. Here, we present an analytical description of these dependences, along with numerical results. Specifically, we derive analytical expressions that depict the saturation effect during pulsed excitation, taking into account the damping of a QO. The evolution of the temporal dependence of the excitation probability with a change in the damping constant is numerically traced. We demonstrate that the number of maxima in this dependence is determined by the values of pulse parameters and the damping constant.
Research progress on Fe3+-activated near-infrared phosphor
Authors: Sun Bin , Zhang Huixian , Wang Yiming 
Published: March 2024

Abstract
Fe3+-activated near-infrared (NIR) luminescent materials have attracted widespread attention due to their tunable emission wavelength and extensive applications in various fields such as plant growth, food analysis, biomedical imaging, and night vision. Many excellent NIR materials have been developed by introducing non-toxic and environmentally friendly Fe3+ ions into different inorganic hosts. This article elucidates the luminescent properties of Fe3+ ions by combining the Tanabe–Sugano energy level diagram and the configuration coordinate model. The latest research progress on Fe3+-doped NIR luminescent materials is outlined, summarizing the luminescent characteristics of various Fe3+-doped materials, including emission wavelength, emission bandwidth, quantum efficiency, and thermal stability. Particularly, a detailed summary and analysis of the application areas of Fe3+-doped NIR luminescent materials are provided. Finally, the future prospects and challenges faced by Fe3+-doped NIR luminescent materials are presented. This review contributes to a deeper understanding of the luminescence mechanism of Fe3+ and the research progress of iron ion-doped luminescent materials, aiming to develop advanced Fe3+-activated NIR luminescent materials with enhanced performance and explore new application fields.
Exploring the potential of agricultural waste as an additive in ultra-high-performance concrete for sustainable construction: A comprehensive review
Authors: Zhao Jun , Sufian Muhammad , Abuhussain Mohammed Awad , Althoey Fadi , Deifalla Ahmed Farouk 
Published: March 2024

Abstract
This study thoroughly reviews the recent design methods for ultra-high-performance concrete (UHPC) with agricultural waste. The goal is to identify UHPC composites that meets environmental sustainability requirements while fulfilling workability, durability, and mechanical properties. The capacity of typical review studies is limited in bridging the various literature aspects systematically. The article includes comparative analyses identifying these methods’ intrinsic connections and current trends. The analysis indicates that 71% of documents on incorporating agricultural waste into UHPC are in the “Engineering” and “Materials Science” disciplines, with 69% being journal articles, and 27% conference documents. Significant research keywords involve “Ultra-High-Performance Concrete,” “Cements,” “Sustainable Development,” and “Agricultural Wastes,” highlighting the extensive exploration of agricultural waste in UHPC. It has been discovered that agricultural waste can replace silica fume in UHPC, improving strength and durability by reducing pore volume and enhancing microstructure. Substituting 5–30% of cement with rice husk ash significantly boosts compressive strength, enhancing cement hydration, pore structure, and pozzolanic reaction, offering substantial environmental benefits and supporting the construction industry’s contribution to low-carbon sustainable development. This article provides guidance and recommendations for developing sustainable UHPC to meet diverse design specifications, promoting environmentally friendly construction practices.
Magyarország magánélete
Authors: András Csaba 
Published: March 2024

Reisz Gábor harmadik játékfilmje számtalan szempontból elismerést érdemel: a különböző perspektívák összehangolása bravúros, a filmnyelvi megoldások ötletesek, humora eredeti, karakterábrázolása árnyalt. A fő kérdés, hogy politikai filmként mennyire állja meg a helyét; hogyan láttatja a társadalmi viszonyokat, mit javasol, mire ad tulajdonképpen magyarázatot.
András Csaba kritikája a Magyarázat mindenre című filmről.
Analysis of Sleep, Nocturnal Physiology, and Physical Demands of NCAA Women’s Ice Hockey Across a Championship Season
Authors: Merrigan Justin J. , Stone Jason D. , Kraemer William J. , Friend Christopher , Lennon Kevin , Vatne Emaly A. , Hagen Josh A. 
Published: March 2024

Abstract
Merrigan, JJ, Stone, JD, Kraemer, WJ, Friend, C, Lennon, K, Vatne, EA, and Hagen, JA. Analysis of sleep, nocturnal physiology, and physical demands of NCAA women’s ice hockey across a championship season. J Strength Cond Res 38(4): 694–703, 2024—The aims of this study were to evaluate the (a) relationships between daily physical demands and nighttime sleep, heart rate (HR), and heart rate variability (HRV); (b) weekly changes in physical demands and sleep; and (c) differences among positions and between training and competition during a competitive season in National Collegiate Athletic Association (NCAA) women's ice hockey. Twenty-five NCAA Division I women's ice hockey athletes wore a sensor at night to monitor sleep quantity or quality (e.g., time asleep and sleep efficiency) and physiology (e.g., HR and HRV). During training and competitions (31 regular season and 7 postseason), athletes wore performance monitoring systems to assess workload demands (e.g., training impulse and TRIMP). As internal workload (TRIMP, Time >80% of HRmax, Average HR) during training or competition increased, nocturnal HRV decreased, HR increased, and Sleep Duration, Sleep Score, and Readiness Score decreased that night. Across the season, athletes experienced lower HRV, but exhibited longer sleep durations. Training Distance, Duration, Time >80% HRmax, Average HR, and TRIMP decreased, whereas competition Total Distance, Duration, and TRIMP increased across weeks throughout the season. There were differences across positions and season blocks when evaluating these data at the mesocycle level. Athletes slept longer before competition compared with training, but physiological data did not differ. Competitions had greater physiological demands than training. We speculate that the increased focus on sleep hygiene, as evidenced by the increase in sleep over the season, may have served as a recovery aid to combat physiological stress of accumulated demands of competitions that increased over time into postseason tournaments.
Effects of Isocaloric Resistance, Aerobic, and Concurrent Exercise on Excess Postexercise Oxygen Consumption in Older Adults
Authors: Pilon Rui , Matos-Santos Lenifran , Matlez Marcelle Passeri , Rodrigues Guilherme , Amorim Felipe , Lattari Eduardo , Farinatti Paulo , Monteiro Walace 
Published: March 2024

Abstract
Pilon, R, Matos-Santos, L, Matlez, MP, Rodrigues, G, Amorim, F, Lattari, E, Farinatti, P, and Monteiro, W. Effects of isocaloric resistance, aerobic, and concurrent exercise on excess postexercise oxygen consumption in older adults. J Strength Cond Res 38(4): 755–761, 2024—Excess postexercise oxygen consumption (EPOC) is a major determinant of exercise-related caloric expenditure and metabolic adaptations. Exercise modality may influence the EPOC, but this issue has not been investigated in older adults. This study compared the EPOC after isocaloric bouts of continuous aerobic exercise (AE), resistance exercise (RE), and concurrent exercise (CE) in older individuals. Ten subjects (5 men; 73 ± 6 years) had their cardiorespiratory data assessed during AE, RE, and CE and along 30-minute postexercise recovery. Total energy expenditure (EE) during exercise was similar (p > 0.05) in AE (126.0 ± 30.7 kcal), RE (123.9 ± 30.6 kcal), and CE (130.8 ± 32.6 kcal), with different times to achieve the targeted EE (RE: 61.4 ± 1.9 minutes > CE: 43.3 ± 5.6 minutes > AE: 26.6 ± 5.7 minutes; p < 0.001). Consistently, the relative intensity during exercise was superior (p < 0.05) in AE (74 ± 15% oxygen uptake reserve [VO2R]) vs. CE (43 ± 13% VO2R) vs. RE (24 ± 9% VO2R). Despite the isocaloric conditions, average EPOC and EE were approximately 45% greater (p < 0.001) in AE (8.0 ± 2.3 L; 40.1 ± 11.7 kcal) vs. RE (5.6 ± 1.2 L; 28.1 ± 5.8 kcal) and CE (5.4 ± 2.3 L; 26.9 ± 11.5 kcal). In conclusion, the EPOC was greater after isocaloric AE vs. RE and CE performed by older adults. Exercise intensity seemed to be a more important determinant of EPOC than volume reflected by EE during exercise bouts. Moderate-intensity continuous AE was more time-efficient than RE and CE to achieve a target EE. In older individuals, AE should be preferred over RE or CE when the purpose is to increase the daily caloric expenditure.
Expanding Research on Firefighter Trainee Fitness, Reasons for Academy Release, and the Predictive Capabilities of Fitness Tests
Authors: Lockie Robert G. , Orr Robin M. , Montes Fernando , Dawes J. Jay 
Published: March 2024

Abstract
Lockie, RG, Orr, RM, Montes, F, and Dawes, JJ. Expanding research on firefighter trainee fitness, reasons for academy release, and the predictive capabilities of fitness tests. J Strength Cond Res 38(4): 724–733, 2024—Firefighter trainees need a level of fitness to be admitted to and complete a training academy. Fitness could indicate a trainee's likelihood of graduation, in addition to their reasons for release. This study determined fitness differences between firefighter trainees who graduated (GRAD) from academy or were released because of injury (RELI), performance test failures (RELP), or resignation (RELR), and whether fitness predicted graduation. Occupational physical ability test (OPAT) data for 686 trainees were analyzed, including: Illinois agility test; push-ups; pull-ups; leg tucks; maximal aerobic capacity (V̇O2max); backward overhead medicine ball throw; 10-repetition maximum deadlift; and farmer's carry. Raw and scaled (based on internal scoring) scores were recorded. Trainees were split into GRAD (n = 576), RELI (n = 33), RELP (n = 66), and RELR (n = 11) groups. A 1-way ANOVA with Bonferroni post hoc calculated between-group differences. Stepwise linear regression determined whether fitness predicted group inclusion. Receiver operating curves and area under the curve (AUC) derived test accuracy for predicting academy release. The GRAD group was superior (p ≤ 0.04) to the RELI group in all tests except push-ups, pull-ups, and farmer's carry; RELP group in all tests except the farmer's carry; and RELR group in V̇O2max, deadlift, and total OPAT score. Select fitness tests could predict inclusion in each group, although the explained variances were low (∼1–11%). Raw V̇O2max (AUC = 0.71) and total OPAT score (AUC = 0.74) had acceptable prediction accuracy. Fitness influenced academy graduation and reasons for release. Scaled scores could predict group inclusion in this department; V̇O2max and total OPAT score provided the most accurate predictors for release.
Experimental Investigation of Mechanical Properties and Failure Mechanisms in Jute-Polyester Composite Laminates under Off-Axis Tensile Loading
Authors: Mache Ashok , Deb Anindya 
Published: March 2024

Abstract
This study focuses on the experimental investigation of the mechanical properties and failure mechanisms of jute-polyester composite laminates under off-axis tensile loading. Various off-axis tests were conducted to analyze the effects of different fiber orientations (0°, 15°, 30°, 45°, 60°, 75°, and 90°) with respect to the load direction. The experimental results revealed a decrease in both off-axis strength and elastic moduli as the off-axis angle increased. Notably, the 45° off-axis tests exhibited the lowest tensile strength and modulus, indicating a more ductile behavior with the highest failure strain. The tensile stress-strain relationship exhibited a nonlinear behavior during off-axis tension loading. Failure analysis was performed using the Tsai-Wu criteria, considering various values of the interaction coefficient F12. The tensile strength and modulus predicted by the Tsai-Wu criteria demonstrated a good correlation with the experimental results. Consequently, the Tsai-Wu criterion proves effective for analyzing the failure properties of woven fabric composites under multiaxial stress conditions.