bluuebunny/crossref_metadata_2025_split huggingface dataset:
Mechanics of delaminated composite beams subjected to retarded follower force with multiple time delay
Authors: Szekrényes András 
Published: December 2024

AbstractIn this work the problem of a delaminated composite cantilever beam subjected to a retarded periodically changing follower axial force is taken into consideration. The equation of motion is deduced based on a previous work including finite element discretization in space. On the other hand the delayed system is captured by the Chebyshev polynomials of the first kind in the time domain. The most important aspect of the model is that multiple time delay is considered, i.e., the principal period of the parametric excitation is not equal to the delay. Under these conditions the stability of the system is investigated using the Floquet theory and the unit circle criterion. The stability diagrams are determined for large number of cases focusing essentially on the effect of delamination on the stable domains. The main conclusion is that although the delamination length and thicknesswise position does not have an essential effect on the stability domains, the definite offset of the limit curves may be observed. In contrast, the relation of time delay and principal period influences substantially the shape and nature of limit curves on certain parameter planes.
Learning and Developmental Pathways in Early Coparenting Among Finnish First-Time Parental Couples’
Authors: Ranta Minna , Paloniemi Susanna , Böök Marja Leena , Rönkä Anna 
Published: December 2024

AbstractSince the learning and developmental processes of adults have rarely been studied in the context of coparenting, this study seeks to deepen our understanding of early coparenting development by examining longitudinal qualitative multimethod data. The data of Finnish 30 opposite-sex two-parent families were collected during three different phases: the third trimester of pregnancy with individual interviews, 4–6 months postnatal by a survey and diary method, and 18 months postnatal through individual interviews. The longitudinal analysis combined initial cross-sectional thematic analysis and longitudinal analysis. The results showed that early coparenting develops among new parental couples through the merging of simultaneous individual and interrelational processes. Early coparenting involves several adult learning processes and turning points. Four developmental pathways illustrating the couples’ journeys were identified: (a) equal and supportive coparenting, (b) from differential adaptation to smooth coparenting, (c) from the mother’s primacy to a communicating team, and (d) a challenging coparenting rollercoaster. These pathways vary from a smooth and linear growth curve to a variable and tense process that takes time and patience. In all, the results indicate that first-time parents (either as couples or partners) can be at different points in adapting to a new life stage and growing into parenthood, which may complicate the development of coparenting.
Stein’s Method and a Cubic Mean-Field Model
Authors: Eichelsbacher Peter 
Published: December 2024

AbstractIn this paper, we study a mean-field spin model with three- and two-body interactions. In a recent paper (Ann Henri Poincaré, 2024) by Contucci, Mingione and Osabutey, the equilibrium measure for large volumes was shown to have three pure states, two with opposite magnetization and an unpolarized one with zero magnetization, merging at the critical point. The authors proved a central limit theorem for the suitably rescaled magnetization. The aim of our paper is presenting a prove of a central limit theorem for the rescaled magnetization applying the exchangeable pair approach due to Stein. Moreover we prove (non-uniform) Berry–Esseen bounds, a concentration inequality, Cramér-type moderate deviations and a moderate deviations principle for the suitably rescaled magnetization. Interestingly we analyze Berry–Esseen bounds in case the model-parameters $$(K_n,J_n)$$

(

K
n

,

J
n

)

converge to the critical point (0, 1) on lines with different slopes and with a certain speed, and obtain new limiting distributions and thresholds for the speed of convergence.
Hydrogen sensing performance and stability of WO3–SiO2 composite film doped with Pt catalyst
Authors: Tajima Chihiro , Sawada Kyosuke , Okazaki Shinji , Kasai Naoya 
Published: December 2024

Abstract
Hydrogen energy has attracted attention as a new energy carrier because it does not generate CO2 emissions during combustion. However, numerous problems face the establishment of a hydrogen infrastructure society. One problem is safety when using hydrogen. A fast sensing system for hydrogen at low concentrations will be needed for hydrogen to be used safely. WO3 is expected to be used as an optical hydrogen sensor element because it reacts with hydrogen and changes color. We prepared Pt-doped WO3 films by the sol–gel method using an ion-exchange technique under various experimental conditions and investigated the films’ response properties to hydrogen and their morphology. As a result, a Pt/WO3 film with SiO2 (Pt/WO3–SiO2 film) annealed at 200 °C showed the shortest coloring and bleaching time to 4 vol% hydrogen. The films also showed good reproducibility with respect to their hydrogen response and good long-term stability. In addition, the fast bleaching time led to a stable repeated response, enabling the films to be used in real-time monitoring applications. Moreover, the sensitivity of the Pt/WO3–SiO2 films depended on the hydrogen concentration, which suggested that quantitative sensing of hydrogen at concentrations below the lower explosive limit could be realized. Furthermore, the catalyst Pt active state and the difference in gas diffusivity due to the microstructure of the films were considered through analysis of the surface, cross-sectional structure, and elemental state of the films.

Graphical Abstract
Errors of multiple exponence in child English: a study of past tense formation
Authors: Hein Johannes , Driemel Imke , Martin Fabienne , Nie Yining , Alexiadou Artemis 
Published: December 2024

AbstractIt is well known that children produce non-adult-like forms during language acquisition. Among these are errors where in the fashion of multiple exponence the child overtly marks an underlying feature or category more than once. In addition, children also produce errors where features that are marked fusionally with one form in the target language are marked separately with more than one form by the child. This paper is concerned with such errors in the domain of English past tense. We present a comprehensive corpus study investigating the frequencies and distribution of different error types, combining both overregularization and overtensing errors, which have previously been studied separately. We then propose an analysis based on Generalized Head Movement (Arregi & Pietraszko, 2021) and Distributed Morphology arguing that errors can be derived from two occasionally occurring underlying mistakes: negligence of secondary features and omission of obliteration. We show how these two mistakes and their interaction can account for the overall differences in error rates and distributions between different error types as well as across different verbs.
An Experimental Electrothermomechanical Characterization of Pipe Steels within Elastic–Plastic Range Based on Resistivity Measurement for Oil Country Tubular Goods
Authors: Saberi Saeid , Weiss Helmut , Winter Gerald , Klarner Jürgen , Stockinger Martin 
Published: December 2024

AbstractThe complex geometry of thread and difficult access to the thread surface make conventional methods for residual stress measurement impossible. Therefore, an in situ measurement of electrothermomechanical properties of quenched-tempered martensitic pipe steel P110 based on the four-point method was developed in this research. Electrical resistivity and thermomechanical properties of investigated pipe steel P110 due to plastic deformation were determined. The average value of the temperature change, the plastic work per volume, the relative resistance and the relative resistivity of samples up to 3% uniform plastic strain were obtained as 2.2 °C, 30.01 MPa, 0.1 and 0.01, respectively.
Developing Heterogeneous Catalysts for Reverse Water–Gas Shift Reaction in CO2 Valorization
Authors: Kim Gunjoo , Lee Hyunjoo 
Published: December 2024

AbstractCarbon dioxide capture and utilization (CCU) in chemical processes is vital for achieving sustainable and economically viable solutions in the context of climate change mitigation. This review focuses on the reverse water–gas shift (RWGS) reaction as a promising pathway for converting CO₂ into carbon monoxide (CO), which can subsequently be used as a precursor for the synthesis of various hydrocarbon compounds. The discussion centers on catalyst design strategies aimed at enhancing the low-temperature activity of the RWGS reaction, emphasizing the roles of catalyst supports and active sites. Key approaches include increasing surface area, introducing defect sites, and improving the redox properties of the catalysts. Methods for controlling the adsorption strength of gas reactants and products to enhance CO selectivity are explored, with particular attention to the use of ligands, promoters, doping, and advanced structures such as single-atom or core–shell configurations. Considerations regarding catalyst durability in reducing environments and the development of economically feasible catalysts are also addressed. Well-designed catalysts for the RWGS reaction offer significant advantages in CO₂ valorization, as the conversion of CO₂ to hydrocarbons is more readily achieved starting from CO.
Penetrating skull stab
Authors: Buschmann Claas , Preuß-Wössner Johanna , Meißner Christoph 
Published: December 2024

AbstractFatal skull stabs are rare. In the case reported here, a 28-year-old man sustained an isolated penetrating skull injury from a knife and died two days later. The bone shard with the stab puncture, which was neurosurgically removed before death, later allowed the reproducible exact assignment of the murder knife found at the scene to the stab as well as the estimation of the length of the intracranial stab channel. This, together with the findings of the formalin-fixed brain, allowed forensic reconstruction.
Options for future European reusable booster stages: evaluation and comparison of VTHL and VTVL costs
Authors: Wilken Jascha , Herberhold Moritz , Sippel Martin 
Published: December 2024

Abstract
As the space industry evolves towards more cost-effective solutions, the development of reusable launch vehicles has become a crucial focus for reducing launch costs. This study addresses the problem of identifying the most cost-effective reusable booster stage design for future European launch systems, comparing vertical takeoff, horizontal landing (VTHL) and vertical takeoff, vertical landing (VTVL) methods. Conducted under the ENTRAIN (Europe’s NexT Reusable Ariane) study by the German Aerospace Center (DLR), the research provides a detailed analysis of both recurring and non-recurring costs associated with various design configurations. The study explores different design degrees of freedom, including engine cycles, propellant combinations, and staging velocities, using a parametric cost model to evaluate the trade-offs involved in each configuration. Findings indicate that reusable configurations can achieve significant cost reductions across a wide range of market scenarios, and offer slight total cost benefits even for the smallest herein considered launch markets. The results further show that the hydrogen-fueled configurations investigated within ENTRAIN offer lower costs compared to the hydrocarbon-fueled alternatives. In addition, the study highlights the sensitivity of launch costs to factors such as market conditions, reuse cycles, and refurbishment efforts, offering insights for future European space launcher development.
Feasibility of a Remote Patient Video Education Intervention to Improve Care Coordination for Rural Cancer Patients
Authors: Okado Izumi , Braun-Inglis Christa , Matsumoto Kehau , Elhajj Carry , Cassel Kevin , Berenberg Jeffrey , Holcombe Randall F. 
Published: December 2024

AbstractCancer patients residing in rural areas experience substantial barriers to care and suboptimal care coordination. To date, there is a paucity of interventions to improve care coordination for rural cancer patients. In this study, we conducted a pilot trial to assess the feasibility and efficacy of a remote, tablet-based patient video education intervention focused on cancer care coordination among rural patients in Hawaii. The pilot trial utilized a single-arm, pre-post intervention design. Our TED-talk style video education intervention included talks on cancer basics, care coordination, and self-advocacy. Eligible participants were rural patients newly diagnosed with early-stage cancer receiving adjuvant therapy. Validated instruments were administered at baseline and post-intervention to assess patients’ perceptions of care coordination and self-advocacy. Acceptability and satisfaction were assessed using semi-structured interviews. Descriptive statistics were used to describe study outcomes. From January 2022 to December 2022, 19 patients enrolled on the study; the mean age was 52.2. Participants were racially diverse. A total of 71.4% of eligible patients completed all assessments. No changes were observed in the overall perceptions of care coordination. However, improved scores were observed for the care coordination instrument communication domain (Cohen’s d =  − 0.76, 95% CI: − 1.45, − 0.03). There was a trend for improved scores on navigation and self-advocacy. All participants reported high satisfaction with the intervention. Results support the feasibility, satisfaction, and acceptability of this intervention among rural cancer patients in Hawaii. Further study is needed to evaluate the intervention in other rural areas. Clinical Trial Registration: NCT05162404.Registration Date: 12/17/2021.
Gender-specific development of mathematics and language performance in lower secondary education in Germany
Authors: Uunk Wilfred , Blossfeld Pia 
Published: December 2024

AbstractDespite the importance of subject choice for later education and the occupational career, we know little about the development of girls’ and boys’ mathematics and language performance during their secondary education. This paper aims to fill this gap and describes the gender-specific development of mathematics and language performance—in terms of grades and test scores—in lower secondary education in Germany, using longitudinal data from the National Educational Panel Study (NEPS) for Grades 5 to 9. Regarding this development, there exist differing and sometimes opposing hypotheses. On the one hand, scholars suggest that gender differences in mathematics and language performance increase during lower secondary education as competencies, self-concepts, learning effort, and motivation interact, and girls and boys specialize in anticipation of future study choices. On the other hand, scholars expect that the gender gap in mathematics performance is narrowing because of a ceiling effect of performance, girls’ greater learning effort, and boys’ greater susceptibility to negative peer influencing. Our fixed effects regression analyses show that mathematics and German grades deteriorate during early secondary school, especially mathematics grades in the academic track. Because the decline in grades is stronger for boys than for girls, the gender gap in mathematics grades (boys do better) decreases and the gender gap in German grades (girls do better) increases. However, boys’ and girls’ mathematics and reading competencies increase in lower secondary education, and the gender gaps in competencies hardly change. We speculate that the changes in grades may be due to girls’ greater engagement in school, negative peer influence among boys, and the increasing complexity of mathematics in the academic track.
Enterprise Systems Thinking Applied to Community Biology Labs
Authors: Aldulijan Ibrahim , Scheifele Lisa , Mansouri Mo 
Published: December 2024

Abstract
Community biology labs are locally organized spaces for research, tinkering, and innovation, which are important for improving the accessibility of biological research and the transferability of scientific knowledge. These labs promote citizen science by providing resources and education to community members. For community labs to deliver consistent and reliable results, they would ideally be based on an adaptive and robust foundation: an Enterprise Systems Thinking (EST) framework. This paper follows a descriptive methodology to apply EST to conceptualize the optimal functioning of community biology labs. EST approaches can increase the overall understanding of the community lab system’s context and performance. This supportive tool can aid in successful stakeholder engagement and communications within the lab’s complex structure. It is also adaptive and can be adjusted as Community Bio labs expand in scale and are newly introduced to local communities. The result of this paper is the development of a framework that may help enhance existing community laboratory organizational approaches so that they may provide consistent accessibility, innovation, and education to local communities.
Pasture access and social housing influence the behaviour of dairy calves
Authors: Alves Teresa Cristina , De-Sousa Karolini Tenffen , Gomes Pamela Caroline , Paris Vitória Tobias , Deniz Matheus 
Published: December 2024

AbstractThis Research Communication set out to (1) evaluate the behaviour and performance of dairy calves raised on pasture individually or in groups, and (2) evaluate the influence of physical enrichment on the behaviour and performance of dairy calves raised in groups on pasture. Although there was no difference in grazing behaviour when housed in groups, calves spent longer eating concentrate, ruminating and drinking water. Additionaly, calves housed individually spend part of their time trying to get close to a neighbouring calf. When available, the brush was the physical enrichment item most used by calves followed by straw-man and ball. Pasture access may allow calves to exhibit their highly motivated natural behaviours such as grazing and rumination. Furthermore, social housing provides dairy calves an opportunity for social bonding. Thus, social housing with free access to pasture areas could be an alternative in tropical regions to the typical individual rearing system used in intensive dairy farming.
Comparison of anti-SARS-CoV-2 activity of some commercial dairy products
Authors: Hayashi Yasuhiro , Arizono Sei , Tanikawa Takashi 
Published: December 2024

AbstractThe continuing emergence of new variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) could be ameliorated by infection prevention through daily diet. In this study, we examined the anti-SARS-CoV-2 activity of 10 commercially available dairy products. They did not show any cytotoxicity against VeroE6/transmembrane protease serine 2 (TMPRSS2) cells (CC50 > 4 mg/ml). Importantly, these cells were checked using the cytopathic effect (CPE) assay, and 4 mg/ml dairy products reduced virus-induced CPE by more than 30%. Notably, Icreo akachan milk, an infant formula, showed the highest antiviral activity with an IC50 of 1.4 mg/ml. We assessed the effects of the dairy products on the entry of SARS-CoV-2 pseudovirus. R1 and Yakult, lactic acid bacterial beverages, inhibited viral entry with IC50 of 2.9 and 3.5 mg/ml, respectively. Collectively, these results indicate that commercially available dairy products moderately inhibit SARS-CoV-2 infection and may reduce the incidence of viral infections.
Adverse effects of COVID-19 vaccine in the paediatric population: a focus on the cardiovascular system
Authors: Lababidi Ghena , Lababidi Hossam , Bitar Fadi , Arabi Mariam 
Published: December 2024

AbstractThe COVID-19 pandemic had an unprecedented impact on healthcare systems and exists globally. To control pandemic progression, COVID-19 vaccines were developed and licensed for use in the adult population in early 2021 and became available in paediatric cohorts several months later. Since then, several studies have reported adverse events and severe adverse events in the adult and paediatric cohorts. The question remains whether there exists a significant risk to paediatric COVID-19 vaccination. This study reviews the classification and presentation of severe adverse events and discusses relevant reports in the literature. An emphasis is put on cardiovascular severe adverse events and adverse events. This paper also provides current and future perspectives relative to the pandemic, its control, and the future of vaccine immunology.
Long Period Ionospheric Disturbances Induced by Atmospheric Pressure Waves From the 2022 Tonga Volcanic Eruption
Authors: Pandey Dwijendra N. , Rekapalli Rajesh , Catherine J. K. , Gahalaut V. K. , Puviarasan N. 
Published: December 2024

AbstractThe Tonga‐Hunga volcanic eruption on 15 January 2022 at 04:14:54 UTC produced large perturbations in the lower atmosphere and ionosphere globally. We report that the long period (0.28–16.67 mHz) ionospheric disturbances followed the surface pressure perturbations, which traveled globally. Here, we analyzed the Global Positioning System (GPS) data to understand the propagation of long period ionospheric disturbances together with the pressure waves in the regions along a great circle passing through Tonga, and also in the polar sectors. We also infer the strong westward propagation of ionospheric anomalies from GPS sites in Australia. This response of the ionosphere to the surface pressure fluctuations could be a possible reason for the observed ionospheric perturbations in polar regions. Our results demonstrate that (a) the pressure wave irregularities propagated all over the globe with an average velocity of ∼320 m/s and stimulated the non‐dispersive ionospheric perturbations with the same velocity, (b) the volcano ionospheric disturbances due to multiple eruptions lasted for more than 3 hr and are even noticed in the northern and southern polar regions, (c) the variation of amplitude of the ionospheric perturbations with distance from Tonga follows an exponential decay with some irregularities near the equator, and (d) a low‐frequency surface pressure irregularity of 12 hr duration is observed nearly 36 hr before the main eruption.
High Concentrations of Nanoparticles From Isoprene Nitrates Predicted in Convective Outflow Over the Amazon
Authors: Bardakov R. , Thornton J. A. , Ekman A. M. L. , Krejci R. , Pöhlker M. L. , Curtius J. , Williams J. , Lelieveld J. , Riipinen I. 
Published: December 2024

AbstractThe biogenic volatile organic compounds isoprene and α‐pinene are abundant over the Amazon and can be efficiently transported to the upper troposphere by deep convective clouds (DCC). We simulate their transport and chemistry following DCC updrafts and upper tropospheric outflow using a multi‐phase chemistry model with aerosol microphysics constrained by recent field measurements. In the lightning‐ and NO‐rich early morning outflow, organonitrates dominate the predicted ultra‐ and extremely‐low‐volatility organic compounds (ULVOCs+) derived from isoprene and α‐pinene. Nucleation of particles by α‐pinene‐derived ULVOCs+ alone, with an associated formation rate of 1.7 nm molecular clusters of 0.0006 s−1 cm−3 and resulting maximum particle number concentration of 19 cm−3, is not sufficient to explain ultrafine aerosol abundances observed in Amazonian DCC outflow. When isoprene‐derived ULVOCs+ are allowed to contribute to nucleation, the new particle formation rate increases by six orders of magnitude, and the predicted number concentrations reach 104 cm−3, consistent with observations.