bluuebunny/crossref_metadata_2025_split huggingface dataset:
The complex regional effects of macro-institutional change: evidence from EU enlargement over three decades
Authors: Mitze Timo , Breidenbach Philipp 
Published: May 2024

AbstractThe EU enlargement process has thrust EU internal border regions into the spotlight of the European single market. This study explores how this specific macro-institutional change has impacted their socio-economic development. Tracking outcomes across four EU enlargement waves from 1986 to 2007, we identify integration effects across EU NUTS3 regions. Pooled over all waves and border regions, positive integration effects emerge for per capita GDP, labor productivity, patents per capita, and night light emissions in border regions compared to non-border areas. These effects diminish with increasing spatial distance from the enlargement border. At a detailed level, structural heterogeneities become evident across enlargement waves and region types. Internal border regions in established EU member countries benefit relatively in terms of GDP per capita and labor productivity but experience relative declines in employment rates and population. In contrast, border regions in new member countries, particularly during the 2004 and 2007 eastern enlargements, gain from deepening economic integration in terms of population and employment growth. Sector-specific estimations indicate post-enlargement specialization of economic activities in border regions in line with standard trade theories.
Structural diversity and carbon stock of forest stands: tradeoff as modified by silvicultural thinning
Authors: Pretzsch Hans , Hilmers Torben 
Published: May 2024

AbstractIn forest management, merging stand structural diversity with carbon storage is essential for resilience and climate mitigation. This study assesses (1) how structural diversity in stands of spruce (Picea abies (L.) H. Karst.), pine (Pinus sylvestris L.), beech (Fagus sylvatica L.), and oak (Quercus robur L. and Quercus petraea (Matt.) Liebl.) in Central Europe varies with age, site quality, and applied thinning grade; (2) these factors' impact on carbon stock; and (3) the link between structural diversity and carbon stock. Analyzing 26 long-term thinning experiments, we used the Gini coefficient of tree heights to measure structural diversity and species-specific biomass functions for carbon stock assessments. Our results show that structural diversity, highest in beech and spruce, decreases with stand age and on richer sites. Thinning enhances structural diversity in spruce and beech but reduces it in pine and oak. Unthinned or only moderately thinned mature spruce and beech stands outperform pine and oak in carbon stock (200–300 vs. 100–150 Mg C ha−1). C- and D&E-grade thinning halves carbon stock. A decrease in vertical layering with increased carbon storage varies across species. Given the same carbon stock, thinning from above maintains structural diversity in spruce and beech, while non-thinning or thinning from below promotes structural diversity in pine and oak. Based on the current silvicultural practice reflected by the NFI data of Germany, we argue that reduced thinning in previously D&E-grade thinned stands may slightly reduce their structural diversity. However, a suspension or reduction of thinning would strongly improve carbon storage (+ 100–200 Mg C ha−1) in the next 3–5 decades. We discussed options for reconciling structural diversity and carbon storage by silvicultural management of the four considered species in Central Europe.
Primary school students’ perceptions of artificial intelligence – for good or bad
Authors: Walan Susanne 
Published: May 2024

Abstract
Since the end of 2022, global discussions on Artificial Intelligence (AI) have surged, influencing diverse societal groups, such as teachers, students and policymakers. This case study focuses on Swedish primary school students aged 11–12. The aim is to examine their cognitive and affective perceptions of AI and their current usage. Data, comprising a pre-test, focus group interviews, and post-lesson evaluation reports, were analysed using a fusion of Mitcham’s philosophical framework of technology with a behavioural component, and the four basic pillars of AI literacy. Results revealed students’ cognitive perceptions encompassing AI as both a machine and a concept with or without human attributes. Affective perceptions were mixed, with students expressing positive views on AI’s support in studies and practical tasks, alongside concerns about rapid development, job loss, privacy invasion, and potential harm. Regarding AI usage, students initially explored various AI tools, emphasising the need for regulations to slow down and contemplate consequences. This study provides insights into primary school students perceptions and use of AI, serving as a foundation for further exploration of AI literacy in education contexts and considerations for policy makers to take into account, listening to children’s voices.
The Role of Everyday Executive Function in Observed Social Symptoms of Autism Spectrum Disorder
Authors: Burroughs Christina , Muscatello Rachael A. , Corbett Blythe A. 
Published: May 2024

AbstractRecent research suggests there may be differences in the social presentations of autistic males and females. Camouflaging is believed to account for some of these differences and executive function (EF) may support compensatory social behaviors. As few studies have explored the role of sex and everyday EF when evaluating specific social difficulties among autistic youth, the present study seeks to address this. The Social Responsiveness Scale-2 (SRS-2) was used to measure types of social difficulties and the Behavioral Rating Inventory of Executive Function-2 (BRIEF-2) served as a measure of everyday EF. Four three-step hierarchical multiple regressions were conducted with SRS-2 social subscales as dependent variables. Autism symptom severity, BRIEF-2 EF Indices (i.e., behavioral, emotional, and cognitive regulation), and sex served as independent variables. Types of EF impairment significantly predicted social symptoms of autism. Behavioral dysregulation predicted all social symptoms assessed, cognitive dysregulation predicted social awareness and communication challenges, and emotion dysregulation predicted social motivation and communication difficulties. Sex significantly predicted social communication and cognition challenges, beyond the contributions of age, IQ, autism severity, and EF impairment. Findings from this study provide evidence for the contribution of EF to observed social symptoms of autism. Results suggest there may be sex-based differences in the relationship between EF and social problems for autistic youth. Implications and future directions are discussed.
Exploring the interdependence of calcium and chloride activation of O2 evolution in photosystem II
Authors: Haddy Alice , Beravolu Shilpa , Johnston Jeremiah , Kern Hannah , McDaniel Monica , Ore Brandon , Reed Rachel , Tai Henry 
Published: May 2024

AbstractCalcium and chloride are activators of oxygen evolution in photosystem II (PSII), the light-absorbing water oxidase of higher plants, algae, and cyanobacteria. Calcium is an essential part of the catalytic Mn4CaO5 cluster that carries out water oxidation and chloride has two nearby binding sites, one of which is associated with a major water channel. The co-activation of oxygen evolution by the two ions is examined in higher plant PSII lacking the extrinsic PsbP and PsbQ subunits using a bisubstrate enzyme kinetics approach. Analysis of three different preparations at pH 6.3 indicates that the Michaelis constant, KM, for each ion is less than the dissociation constant, KS, and that the affinity of PSII for Ca2+ is about ten-fold greater than for Cl−, in agreement with previous studies. Results are consistent with a sequential binding model in which either ion can bind first and each promotes the activation by the second ion. At pH 5.5, similar results are found, except with a higher affinity for Cl− and lower affinity for Ca2+. Observation of the slow-decaying Tyr Z radical, YZ•, at 77 K and the coupled S2YZ• radical at 10 K, which are both associated with Ca2+ depletion, shows that Cl− is necessary for their observation. Given the order of electron and proton transfer events, this indicates that chloride is required to reach the S3 state preceding Ca2+ loss and possibly for stabilization of YZ• after it forms. Interdependence through hydrogen bonding is considered in the context of the water environment that intervenes between Cl− at the Cl−1 site and the Ca2+/Tyr Z region.
Evaluation of hydrometallurgical black mass recycling with simulation-based life cycle assessment
Authors: Rinne Marja , Aromaa-Stubb Riina , Elomaa Heini , Porvali Antti , Lundström Mari 
Published: May 2024

Abstract
Purpose
The recycling of lithium-ion batteries is an emerging field faced with the challenge of recovering more than the most valuable elements from the batteries. While the literature presents many innovative approaches to the problem, an overview of the technical and environmental prospects of hydrometallurgical black mass recycling remains crucial. The goal was to analyze the impacts of a black mass process flowsheet and suggest ways to further reduce the impacts of battery recycling.

Methods
The flowsheet was drafted from the literature by combining both state-of-the-art and experimentally demonstrated unit processes by starting with the leaching system, where reductive leaching is performed using only the copper and iron impurities already present in the black mass. The process targeted copper, manganese, cobalt, nickel, and lithium recovery, and three scenarios for manganese recovery were investigated. The flowsheet was simulated using HSC Sim software, and the mass and energy balances were adapted into internally consistent life cycle inventories. The scope was “gate-to-gate” in Europe and CML methodology was used for impact assessment.

Results and discussion
Assuming that mechanical pre-treatment carries more environmental benefits than burdens, the results indicated that hydrometallurgical black mass recycling had a tentatively lower environmental footprint compared to virgin raw materials in all impact categories except ozone depletion, the results indicated that hydrometallurgical black mass recycling had a tentatively lower environmental footprint compared to virgin raw materials in all impact categories except ozone depletion. Sulfuric acid and neutralizing chemicals were among the most significant contributors to the impacts, and therefore further analysis was conducted based on an experimental study on low acid leaching with a low (< 0.5 M) initial sulfuric acid concentration instead of the baseline 2 M. This reduced the impacts by approximately 30–40% in all categories by decreasing downstream chemical consumption, and more significantly decreased ozone depletion. The challenges and opportunities for further process improvement were also considered.

Conclusions
The study highlights the importance of process optimization to improve the environmental sustainability of battery chemical production, but also revealed critical research gaps in the experimental literature. Rather than focusing on a single unit process, experimental black mass recycling research should aim at finding solutions that are optimal for the up- and downstream units, such as minimization of aluminum in the black mass and acid consumption.
The Inconsistent Reduction: An Internal Methodological Critique of Revisionist Just War Theory
Authors: Surber Regina Sibylle 
Published: May 2024

AbstractThis article argues that the reduction of the morality of killing in war to the morality of killing in self-defense by ‘reductive-individualist’ revisionist just war theories is inconsistent, because when those theories apply the moral notion of self-defense to the morality of killing in war, they do not preserve the two conceptions of the “individual” inherent in this notion. The article demonstrates this inconsistency in two steps: First, it disentangles the two conceptions of the individual inherent to the notion of self-defense, namely (1) that the individual is an “entity” potentially bearing a right to self-defense (unlike, e.g., groups) and (2) that the individual is a “particular,” where “particular” signifies that every human is different from every other human. The conception of the individual as a “particular” is tied to the idea that a justification grounded in a rule of self-defense is necessarily “concrete,” in the sense of referring to individually given and specific perceptions or cases, as opposed to “abstract,” in the sense of being detached from specific perceptions or cases. The article then demonstrates that reductive individualism reflects the first notion of the individual, but not the second. Due to the “loss” of the individual as a “particular”, the reductive-individualist reduction of the morality of killing in war to the morality of killing in self-defense is inconsistent, and hence its justification of killing in war grounded in self-defense is not concrete. Since such a justification must be concrete, reductive individualism cannot offer a justification for belligerent killing.
Can Democratic Equality Justify Capitalism?
Authors: Franken Cade 
Published: May 2024

AbstractJeppe von Platz has recently argued that welfare-state capitalism can be justified by a theory of democratic equality, challenging John Rawls’s critique of capitalism. Von Platz develops his argument by introducing a social democratic interpretation of democratic equality as an alternative to Rawls’s justice as fairness. Unlike justice as fairness, in which there is only one possible principle of reciprocity (the difference principle), social democracy includes four possible principles in an eligible set that could be chosen as a principle of reciprocity. However, I argue that von Platz’s conception of reciprocity still fails to justify welfare-state capitalism. Of the four principles of reciprocity in social democracy’s eligible set, one of them, the principle of utility, does not express a notion of reciprocity and thus does not belong. The other three – the principle of equality, the difference principle, and the principle of equity – are not compatible with welfare-state capitalism. Thus, since capitalism cannot satisfy a principle of reciprocity in the (revised) eligible set, it is incompatible with the social democratic interpretation of democratic equality.
Auf der Suche nach Grünwald und Grunewald: Zu einer Soziologie der Räume des Reichtums
Authors: Born Anthony Miro , Meier Lars 
Published: May 2024

ZusammenfassungBislang haben sich hiesige Soziolog:innen unzureichend mit Räumen des Reichtums befasst. Auf der Basis einer kritischen Analyse internationaler Literatur lädt dieser Beitrag zu einer soziologischen Erforschung der Wohngebiete am oberen Ende der Sozialstruktur in Deutschland ein. Insbesondere stellt der Beitrag drei vielversprechende Perspektiven heraus: den ethnographischen Blick, den historischen Blick und den relationalen Blick.
Comparison of perioperative and functional outcomes of single-incision versus standard multi-incision robot-assisted laparoscopic radical prostatectomy: a prospective, controlled, nonrandomized trial
Authors: Fan Shida , Chen Zhengjun , Zhou Fang , Lv Qian , Wang Dong , Ren Shangqing , Tian Xuemei 
Published: May 2024

AbstractTo compare perioperative and functional outcomes between improved (port-free) single-site robot-assisted laparoscopic radical prostatectomy (pf-ssRARP) and standard multi-port robot-assisted radical prostatectomy (MPRARP). A total of 372 consecutive patients underwent RARAP using the da Vinci Si® robotic surgical system. Group I (n = 210) included patients undergoing pf-ssRARP and Group II (n = 162) included patients undergoing MPRARP. Demographics and perioperative data including postoperative recovery outcomes were recorded and compared between the two groups. Overall mean operative time was significantly shorter with the pf-ssRARP compared to the MPRARP (p < 0.05). The length of hospitalization after the pf-ssRARP was shorter (p < 0.05). In Group I, the positive surgical margin rate was 15.2%; while in Group II, the positive margin rate was 33.3% (p < 0.05). The rate of instant urinary continence was significantly higher in Group I than in Group II (p < 0.05). The percentage of urinary continence was higher in the pf-ssRARP than in the MPRARP, at 6 months post-surgery (p < 0.05) and 9 months post-surgery (p < 0.05). There was no significant difference in the proportion of erectile function in the pf-ssRARP and MPRARP groups at the time of reaching the endpoint of this study (p > 0.05). The two groups were comparable in terms of total hospitalization costs (p < 0.05). The improved (port-free) single-site robot-assisted laparoscopic radical prostatectomy is a practical and easy technique to implement in clinical practice. Extraperitoneal implementation of the modified technique requires only a small incision, no special PORT, no additional auxiliary foramen creation, increased postoperative aesthetics and reduced hospitalization costs, and a high percentage of early postoperative urinary control recovery.
A Prognostic Model Based on the Log Odds Ratio of Positive Lymph Nodes Predicts Prognosis of Patients with Rectal Cancer
Authors: Li Jian , Yang Yu zhou , Xu Peng , Zhang Cheng 
Published: May 2024

Abstract
Objective
This study aimed to compare the prognostic value of rectal cancer by comparing different lymph node staging systems, and a nomogram was constructed based on superior lymph node staging.

Methods
Overall, 8700 patients with rectal cancer was obtained from the Surveillance, Epidemiology, and End Results (SEER) database between 2010 and 2015. The area under the curve (AUC), the C index, and the Akaike informativeness criteria (AIC) were used to examine the predict ability of various lymph node staging methods. Prognostic indicators were assessed using univariate and multivariate COX regression, and further correlation nomograms were created after the data were randomly split into training and validation cohorts. To evaluate the effectiveness of the model, the C index, calibration curves, decision curves (DCA), and receiver operating characteristic curve (ROC) were used. We ran Kaplan-Meier survival analyses to look for variations in risk classification.

Results
While compared to the N-stage positive lymph node ratio (LNR), the log odds ratio of positive lymph nodes (LODDS) had the highest predictive effectiveness. Multifactorial COX regression analyses were used to create nomograms for overall survival (OS) and cancer-specific survival (CSS). The C indices of OS and CSS for this model were considerably higher than those for TNM staging in the training cohort. The created nomograms demonstrated good efficacy based on ROC, rectification, and decision curves. Kaplan-Meier survival analysis revealed notable variations in patient survival across various patient strata.

Conclusions
Compared to AJCC staging, the LODDS-based nomograms have a more accurate predictive effectiveness in predicting OS and CSS in patients with rectal cancer.
Morphological Tracing and Functional Identification of Monosynaptic Connections in the Brain: A Comprehensive Guide
Authors: Li Yuanyuan , Fang Yuanyuan , Li Kaiyuan , Yang Hongbin , Duan Shumin , Sun Li 
Published: May 2024

AbstractBehavioral studies play a crucial role in unraveling the mechanisms underlying brain function. Recent advances in optogenetics, neuronal typing and labeling, and circuit tracing have facilitated the dissection of the neural circuitry involved in various important behaviors. The identification of monosynaptic connections, both upstream and downstream of specific neurons, serves as the foundation for understanding complex neural circuits and studying behavioral mechanisms. However, the practical implementation and mechanistic understanding of monosynaptic connection tracing techniques and functional identification remain challenging, particularly for inexperienced researchers. Improper application of these methods and misinterpretation of results can impede experimental progress and lead to erroneous conclusions. In this paper, we present a comprehensive description of the principles, specific operational details, and key steps involved in tracing anterograde and retrograde monosynaptic connections. We outline the process of functionally identifying monosynaptic connections through the integration of optogenetics and electrophysiological techniques, providing practical guidance for researchers.
Improving Visitors’ Geoheritage Experience: Some Practical Pointers for Managers
Authors: Crofts Roger 
Published: May 2024

AbstractThis short paper describes 8 practical pointers to improve visitors’ experience of geoheritage sites and areas. These are based around 5 themes: putting communication and education at the heart of geoconservation, focussing communication on the target audiences, challenging the current scientific thinking, making sure there is a duty of care towards the visitor and connecting geoconservation to other conservation interests of the public. It is written on the basis of personal experience from visiting protected areas in many parts of the world. Examples of good practice with web links are provided. It builds on the IUCN Best Practice Guideline on geoconservation. The key message is that visitor target audiences and visitor experience should be included throughout the development of geoconservation protected areas, rather than the more traditional approach of adding these considerations later in the developmental process.
Enhancing spatial streamflow prediction through machine learning algorithms and advanced strategies
Authors: Darabi Cheghabaleki Sedigheh , Fatemi Seyed Ehsan , Hafezparast Mavadat Maryam 
Published: May 2024

AbstractForecasting and extending streamflow is a critical aspect of hydrology, especially where the time series are locally unavailable for a variety of reasons. The necessity of preprocessing, model fine-tuning, feature selection, or sampling to enhance prediction outcomes for streamflow forecasting using ML techniques is evaluated in this study. In this regard, the monthly streamflow at Pol-Chehr station is analyzed using various monthly rainfall and streamflow time series data from different stations. The results of streamflow prediction in the k-folds cross-validator approach are generally better than those of the time series approach, except when raw data with no preprocessing or feature selection is used. Applying the simple SVR model to raw data leads to the weakest result, but using the GA-SVR model on raw data significantly increases the Nash coefficient by about 215% and 72%, decreases the NRMSE by about 48% and 36% in the k-fold and time series approaches, even with no feature selection. On the other hand, standardization produces highly accurate model predictions in both the k-fold and time series approaches, with a minimum Nash coefficient of 0.83 and 0.73 during the test period in the simple SVR model, respectively. Finally, using optimization algorithms like GA to fine-tune ML models and feature selection does not always yield improved prediction accuracy, but it depends on whether raw or preprocessed data is chosen. In conclusion, combining k-fold cross-validator and preprocessing typically yields highly accurate predictive results, with an R value exceeding 93.7% (Nash = 0.83, SI = 0.55, NRMSE = 0.09), without requiring any additional fine-tuning or optimization. Using feature selection is only significant when utilizing the TS approach as well.