bluuebunny/crossref_metadata_2025 huggingface dataset:
Sedimentology of False Bay (Western Cape, South Africa): geological background information for the integrated environmental management of a physically confined coastal compartment
Authors: Flemming Burghard W.
Published: November 2024

False Bay is a large, physically confined embayment located along the southwest coast of South Africa. It is a classic example of a coastal compartment or littoral cell that acts as a receptor and sink of both terrestrial (siliciclastic) and marine (bioclastic) material. It is almost square in shape, measuring ∼35 km N-S and ∼39 km W-E and covering ∼1130 km2. Only a few small rivers discharge into the bay, as a consequence of which only small amounts of sediment are episodically supplied to the bay. The bathymetry reveals two well-defined terraces, one between 30 and 45 m, the other between 50 and 55 m water depth, which are indicative of extended Pleistocene sea-level stillstands. Sediment is dispersed by long-period ocean swells approaching from the southwestern quadrant, as well as nearshore swell- and wind-driven currents. The presence of a prominent rock pinnacle at the entrance to the bay (Rocky Bank) causes wave orthogonals to converge on its leeward side, and which results in substantial wave amplification along the eastern shore of the bay. Coarse-grained sediments (gravel, very coarse sand, coarse sand and medium sand) line the rocky shores in the west and east, and are dispersed around and away from submarine rock outcrops, whereas fine-grained sediments (fine sand, very fine sand and mud) are largely confined to an arcuate belt extending along the centre of the bay from shallow water in the northwest to the deepest parts in the south. This is documented by the distribution of individual size fractions and the mean grain size, and applies to both the siliciclastic and the bioclastic sediment components which appear to be in hydraulic equilibrium. There is a distinct N-S gradient from lower to higher bioclastic content with increasing water depth. The textural parameters (mean grain size, sorting and skewness) reveal the existence of two hydraulic populations that are mixed in various proportions in the course of their dispersal in the form of either bed load or suspended load transport. The mud fraction is closely linked to the dispersal pattern of the fine and very fine sand fractions, indicating that it is transported in the form of aggregates and/or faecal pellets, the bulk of which is evidently in hydraulic equilibrium with the finer-grained sands. It can be anticipated that, during lower Pleistocene sea levels, the palaeo-False Bay valley was occupied, or at least regularly visited, by large and small African mammals and early humans.
Tracing metallurgical links and silver provenance in Balkan coinage (5th -1st centuries BCE)
Authors: Westner Katrin Julia , Blichert-Toft Janne , Gentelli Liesel , Pavlovska Eftimija , de Callataÿ François , Albarède Francis
Published: November 2024

Local types of coinage testify to the emerging use of silver in the Balkan interior, possibly related to abundant ore deposits in the region. Here, we present Pb isotope data for silver coins minted by local tribes and settlements (anepigraphic coins attributed to the Derrones/Laeaei, Damastion, Pelagia, Kings of Paeonia) between the 5th and 3rd centuries BCE. For comparison, we analysed coinage of the potential Greek emporia Dyrrhachium and Apollonia for their main element and Pb-Ag isotope compositions. Statistical data evaluation demonstrates close material connections between coins from the Balkan interior and identify a predominantly local raw material provenance. The majority of Damastion’s issues defines a tight cluster fitting Strabo’s (VII.7.8) account that the settlement possessed nearby silver mines in the Balkan interior. Novobërdë/Novo Brdo (Kosovo) can be plausibly hypothesised among the available reference data to have been one of the main ore districts supplying the mint. Mixing is evident for coins from the Kings of Paeonia and coinage attributed to the Derrones/Laeaei. Virtually identical end-members suggest that Paeonian regal coinage recycled tribal issues with contribution of metal obtained from Damastion’s hypothesised mines. Contemporaneous coinage struck by Dyrrhachium as well as end-members calculated for Thasos and the Macedon kingdom (Albarede et al. in Bullion mixtures in silver coinage from ancient Greece and Egypt, J Archaeol Sci 162:105918, 2024a) signal metal sourced from the Balkans, presumably the Macedonian/Paeonian border area. Comparison of data from Greek city-states and coinage issued by Apollonia and Dyrrhachium for the Romans demonstrates a change in the type and origin of raw materials and bullion composition, indicating a shift in monetary customs and possibly metal production technology.
Triglyceride-glucose index predicts postoperative overall survival in hepatocellular carcinoma: a retrospective cohort study
Authors: Liu Gao-Min , Zhu Wen-Biao , Xu Ji-Wei
Published: November 2024

Background

Insulin resistance is important in hepatocellular carcinoma (HCC) carcinogenesis and progression. The triglyceride-glucose (TyG) index, triglyceride to high-density lipoprotein cholesterol (TG/HDL-c) ratio or TyG-body mass index (TyG-BMI) are three non-invasive parameters for insulin resistance. However, their prognostic role in HCC patients undergoing hepatectomy remains unclear.

Materials and methods

HCC patients who underwent hepatectomy at the Meizhou People’s Hospital from May 2011 to February 2023 were retrospectively explored. Patients were classified into high and low groups based on different TyG, TG/HDL-c, and TyG-BMI indices. The prognostic role of TyG, TG/HDL-c, and TyG-BMI was evaluated using Kaplan–Meier analysis and Cox regression models. A nomogram incorporating significant prognostic factors was constructed and validated.

Results

A lower TyG, lower TG/HDL-c, and lower TyG-BMI were linked to worse overall survival (OS) in HCC patients. Multivariate analysis indicated the TyG index, but not the TG/HDL-c and TyG-BMI index, could independently predict HCC OS. The nomogram incorporating the TNM stage and TyG index demonstrated good calibration, discriminative ability, and clinical benefit for predicting OS in HCC patients.

Conclusions

The TyG index could independently predict HCC OS after hepatectomy in this cohort. The nomogram incorporating the TyG index may aid in the prognosis management of HCC.
ChatGPT and Other Large Language Models in Medical Education — Scoping Literature Review
Authors: Aster Alexandra , Laupichler Matthias Carl , Rockwell-Kollmann Tamina , Masala Gilda , Bala Ebru , Raupach Tobias
Published: November 2024

This review aims to provide a summary of all scientific publications on the use of large language models (LLMs) in medical education over the first year of their availability. A scoping literature review was conducted in accordance with the PRISMA recommendations for scoping reviews. Five scientific literature databases were searched using predefined search terms. The search yielded 1509 initial results, of which 145 studies were ultimately included. Most studies assessed LLMs’ capabilities in passing medical exams. Some studies discussed advantages, disadvantages, and potential use cases of LLMs. Very few studies conducted empirical research. Many published studies lack methodological rigor. We therefore propose a research agenda to improve the quality of studies on LLM.
Splitting tensile strength of shale cores: intact versus fractured and sealed with ureolysis-induced calcium carbonate precipitation (UICP)
Authors: Bedey Kayla , Willett Matthew R. , Crandall Dustin , Rutqvist Jonny , Matteson Kirsten , Phillips Adrienne J. , Cunningham Alfred B. , Kirkland Catherine M.
Published: November 2024

Ureolysis-induced calcium carbonate precipitation (UICP) is a biomineral solution where the urease enzyme converts urea and calcium into calcium carbonate. The resulting biomineral can bridge gaps in fractured shale, reduce undesired fluid flow, limit fracture propagation, better store carbon dioxide, and potentially enhance well efficiency. The mechanical properties of shale cores were investigated using a modified Brazilian indirect tensile strength test. An investigation of intact shale using Eagle Ford and Wolfcamp cores was conducted at varying temperatures. Results show no significant difference between shale types (average tensile strength = 6.19 MPa). Eagle Ford displayed higher strength at elevated temperature, but temperature did not influence Wolfcamp. Comparatively, cores with a single, lengthwise heterogeneous fracture were sealed with UICP and further tested for tensile strength. UICP was delivered via a flow-through method which injected 20–30 sequential patterns of ureolytic microorganisms and UICP-promoting fluids into the fracture until permeability reduced by three orders of magnitude or with an immersion method which placed cores treated with guar gum and UICP-promoting fluids into a batch reactor, demonstrating that guar gum is a suitable inclusion and may reduce the number of flow-through injections required. Tensile results for both delivery methods were variable (0.15–8 MPa), and in some cores the biomineralized fracture split apart, possibly due to insufficient sealing and/or heterogeneity in the composite UICP-shale cores. Notably in other cores the biomineralized fracture remained intact, demonstrating more cohesion than the surrounding shale, indicating that UICP may produce a strong seal for subsurface application.
Completing an universal m-gonal form with a closing unary piece
Authors: Park Dayoon
Published: November 2024

In this paper, we show that for any m-gonal form $$F_m({\textbf{x}})$$

F
m

(
x
)

with $$m \ge 12$$

m
≥
12

which represents every positive integer up to $$m-4$$

m
-
4

, by putting together with only an unary m-gonal form, we may complete an universal form.
Influence of retrofitting in the seismic behaviour of precast reinforced concrete industrial buildings
Authors: Ostetto Liana , Batalha Nádia , Sousa Romain , Fernandes Paulo , Rodrigues Hugo
Published: November 2024

Previous destructive earthquakes caused large economic losses as well as human losses. Seismic risk studies are of paramount importance to predict the impact of future earthquakes and support seismic risk mitigation policies. The present study presents a seismic risk assessment based on the cost and direct loss assessment of precast industrial buildings with different retrofitting levels in terms of horizontal strength. In this evaluation, a comparative analysis between the configurations of retrofitted buildings and the original building is performed. The effects of retrofitting solution strategies are first investigated in a single building. Then a study is carried out to assess which retrofit solutions level are most appropriate depending on the exposure and seismic risk. The results showed the use of bracing in the PRC building can improve seismic behaviour, with significant increases in horizontal strength. The cost of intervention is reduced, with a slight increase of less than 1% to almost 2% of the cost of the structure. From the derivation of seismic fragility functions for different retrofitting solutions level, the seismic risk analysis with dozens of existing PRC industrial buildings in Portugal points to a large reduction in economic losses as from retrofitted buildings, like an improvement of the seismic capacity of the buildings attributed to the retrofit systems considered. In general, among the different types of retrofit studied, there is an increase in the reduction of total economic losses, namely 49% when retrofitted with a 50% increase in horizontal strength, 58% when retrofitted with a 75% increase in horizontal strength and 64% for retrofitted with 100%.
Healthcare costs in relation to kidney function among older people: the SCOPE study
Authors: Balducci Francesco , Di Rosa Mirko , Roller-Wirnsberger Regina , Wirnsberger Gerhard , Mattace-Raso Francesco , Tap Lisanne , Formiga Francesc , Moreno-González Rafael , Kostka Tomasz , Guligowska Agnieszka , Artzi-Medvedik Rada , Melzer Itshak , Weingart Christian , Sieber Cornel , Ärnlöv Johan , Carlsson Axel C. , Lattanzio Fabrizia , Corsonello Andrea ,   the Screening for CKD among Older People across Europe (SCOPE) study investigators, Bustacchini Silvia , Bolognini Silvia , D’Ascoli Paola , Moresi Raffaella , Di Stefano Giuseppina , Giammarchi Cinzia , Bonfigli Anna Rita , Galeazzi Roberta , Lenci Federica , Della Bella Stefano , Bordoni Enrico , Provinciali Mauro , Giacconi Robertina , Giuli Cinzia , Postacchini Demetrio , Garasto Sabrina , Cozza Annalisa , Guarasci Francesco , D’Alia Sonia , Firmani Romano , Nacciariti Moreno , Fabbietti Paolo
Published: November 2024

Purpose

In this study, a comprehensive analysis of costs of chronic kidney disease (CKD) was performed, to understand factors associated with the economic burden of the disease in a multicentre international framework.

Methods

The impact on costs of demographics, socio-economics, clinical, and functional variables was tested in 2204 subjects aged 75 years or more attending outpatient clinics in Europe using a multicentre 2-year prospective cohort study. By means of collected resources consumption and unit cost data a comprehensive cost database was built and then investigated using multilevel regression modeling.

Results

Overall, hospitalization, medications and specialist visits were the main cost items, with a notable variability among countries. Estimated yearly costs were 4478€ ± 9804€, rising up to 6683€ ± 10,953€ for subjects with estimated Glomerular Filtration Rate (eGFR) < 30. Costs increased significantly according to the severity of the disease, gender and age. Clinical and functional covariates were also significantly associated with CKD-related total costs, even after correcting for the inter-country variability.

Conclusion

Findings corroborate the importance of multidimensional assessment of participants with CKD, as multimorbidity and functional disability produce a detrimental impact on participant’s prognosis and cost of care. Preservation of functional impairment and adequate management of comorbidities may thus help decreasing the overall consumption on health care resources in CKD patients, especially in older people.
War, art, and sanctions: social network analysis on the NACP’s databases of sanctioned Russian individuals and art collectors
Authors: Leeson Madison , Giovanelli Riccardo , De Bernardin Michela , Traviglia Arianna
Published: November 2024

Until March 2024, Ukraine’s National Agency on Corruption Prevention (NACP) was tasked with maintaining databases of individuals sanctioned for their support of Russian military action in Ukraine and monitoring works of art owned by these individuals to prevent their being sold in violation of sanctions. The present study gathered data from the NACP’s War & Sanctions and War & Art databases through a combination of web scraping and API requests. These data were then examined using measures of network analysis (including degree centrality, eigenvector centrality, and clustering coefficient), which allowed the visualisation and statistical analysis of the network of Russian elite. This research is the first that has conducted scientific analysis on these datasets. Investigation determined that the social network of individuals in the upper strata of Russian society is vast and moderately centralised, with over a dozen clusters around influential Russian oligarchs, politicians, and celebrities. It also determined that art collectors have a more central role in this network than non-collectors of art. The network exhibits a clear presence of hubs and nodes with high degree centrality and a high degree-betweenness centrality correlation, indicating that information can flow quickly and efficiently. However, the network’s dependence on a few key individuals could constitute a vulnerability, with the extraction or isolation of these figures potentially disrupting the network’s function and coordination. This research also identified inconsistencies in the imposition of sanctions, creating grey areas that could allow the continued trade of cultural goods, potentially bypassing international restrictions.
Pedestrian safety alarm system based on binocular distance measurement for trucks using recognition feature analysis
Authors: Bao Tingting , Lin Ding , Zhang Xumei , Zhou Zhiguo , Wang Kejia
Published: November 2024

As an essential part of modern smart manufacturing, road transport with large and heavy trucks has in-creased dramatically. Due to the inside wheel difference in the process of turning, there is a considerable safety hazard in the blind area of the inside wheel difference. In this paper, multiple cameras combined with deep learning algorithms are introduced to detect pedestrians in the blind area of wheel error. A scheme of vehicle-pedestrian safety alarm detection system is developed via the integration of YOLOv5 and an improved binocular distance measurement method. The system accurately measures the distance between the truck and nearby pedestrians by utilizing multiple cameras and PP Human recognition, providing real-time safety alerts. The experimental results show that this method significantly reduces distance measurement errors, improves the reliability of pedestrian detection, achieves high accuracy and real-time performance, and thus enhances the safety of trucks in complex traffic environments.
Solid waste-derived carbonaceous catalysts for environmental and energy applications
Authors: Jiang Tao , Wang Bing , Hassan Masud , Zou Qianqian
Published: November 2024

Urbanization and industrialization generate vast amounts of solid waste, posing significant threats to the biotic and abiotic components of the environment. Solid wastes-derived carbonaceous catalysts (SW-CCs) represent an effective strategy for resource utilization, and SW-CCs are gradually applied in environmental remediation and energy fields. However, the effects of the properties of SW-CCs on their catalytic activity remain inadequately understood. A comprehensive review of the applications of SW-CCs in environmental remediation and energy fields is yet to be achieved. It is necessary to systematically review the latest research progress of SW-CCs in environmental remediation and energy fields. First of all, this review summarizes the influences of various factors on the properties of SW-CCs and how these properties affect the catalytic activity. Subsequently, it explores the recent research progress and existing issues in the applications of SW-CCs in environmental remediation (persulfate activation, photocatalysis, and Fenton-like oxidation) and the energy sector (H2 production, biodiesel production, and CO2 conversion). Finally, future research prospects and recommendations are provided to facilitate further development and application of SW-CCs. This review offers new insights into the resource utilization of solid waste and the development of efficient and practical carbonaceous catalysts.

Graphical Abstract
Efficacy of fosaprepitant for the prevention of postoperative nausea and vomiting in patients undergoing gynecologic surgery: a multicenter, randomized, double-blind study
Authors: Zhang Yingjun , Luo Xiaolin , Fan Qisen , Zhou Sha , Kang Yinqian , Mo Zhongqiao , Luo Jierong , Zheng Bin , Lan Lan , Xie Jingdun
Published: November 2024

Purpose

This study aims to investigate whether adding fosaprepitant to palonosetron and dexamethasone is effective in preventing postoperative nausea and vomiting (PONV) in high-risk patients undergoing gynecologic surgery.

Methods

Eligible patients undergoing gynecological surgery were randomized into two groups (1:1). One group received fosaprepitant (150 mg) and the other (control) received a placebo infusion. Both groups received a single dose of palonosetron (0.25 mg) and dexamethasone (5 mg) together with therapeutic medication. The primary endpoint was the absence of vomiting and no use of rescue antiemetics during the first 24 h after surgery; complete response rate (CRR).

Results

CRR was significantly higher in the fosaprepitant group compared to the control group 0–24 h after surgery (P = 0.037; relative risk [RR], 1.116; 95% confidence interval [CI], 1.007 to 1.235). Moreover, CRR was also significantly higher during the 24–48 h (P = 0.004; RR, 1.148; 95% CI, 1.045 to 1.261) and 48–72 h (P = 0.039; RR, 1.083; 95% CI, 1.005 to 1.168) observation periods respectively. The complete control rate was higher in the fosaprepitant group than in the control group during the 0–24 h observation period (P = 0.012; RR, 1.367; 95% CI, 1.067 to 1.751). Nausea and rescue antiemetic use were comparable between the two groups. The severity of vomiting was significantly higher in the fosaprepitant group than in the control group on the second day (P = 0.016). Dynamic pain visual analog scale score was lower in the fosaprepitant group and quality of recovery-15 scores were significantly higher in the same group during 0–24 h observation period (P = 0.018 and 0.005, respectively).

Conclusions

The triple combination of fosaprepitant, palonosetron, and dexamethasone was superior in the prevention of PONV after gynecologic surgery in high-risk patients. We suggest that for high-risk patients, a triple combination therapy may be a better choice.

Trial registration

Registered at the Chinese Clinical Trial Registry (https://www.chictr.org.cn/showproj.html?proj=171741) with No. ChiCTR2200060890 on June 13, 2022. Principal investigator: Jingdun Xie.
ENSO predictive analytics based on layered rendering
Authors: Liu Xingguo , Dong Junyu , Tao Shengen , Gao Feng , Gan Yanhai
Published: November 2024

El Niño-Southern Oscillation (ENSO) is a periodic climate phenomenon in the equatorial Pacific that significantly influences global climate patterns. Accurate prediction and monitoring of ENSO events are essential for meteorological agencies and governmental institutions. This study introduces a content-guided attention module within a convolutional neural network to improve prediction accuracy. This module models inter-channel relationships and enhances information interaction by integrating channel and spatial attention weights. These advancements substantially improve prediction accuracy and help overcome the spring prediction barrier in ENSO forecasting. The research emphasizes global feature modeling and proposes a novel content-guided ENSO prediction model. It also includes an ocean data generation model utilizing global attention. Furthermore, a layered rendering technique is employed to invert ocean data, facilitating detailed analysis and contributing to the development of an ocean synthetic dataset.
How to Build a Democracy
Authors: Greer Christina M.
Published: November 2024

From the toils of Fannie Lou Hamer and Barbara Jordan emerges a twenty-first-century leader, Stacey Abrams. This Element explores the strategic organizing acumen of Fannie Lou Hamer in Mississippi and across the South, and the rise of Barbara Jordan, the second Black woman elected to the House of Representatives and the first Black woman from the US South to head to Congress. The leadership skills and collective political efforts of these two women paved the way for the emergence of Stacey Abrams, candidate for governor of Georgia in 2018 and 2022, and organizer of an electoral movement that helped deliver the 2020 presidential victory and US Senate majority to the Democratic Party. This Element adds to the existing literature by framing Black women as integral to the expansion of new voters into the Democratic Party, American democracy, and to the political development of Black people in the US South.
Introducing Second Language Assessment
Authors: Ockey Gary J.
Published: November 2024

Many books have been written on the topic of second language assessment, but few are easily accessible for both students and practicing language teachers. This textbook provides an up-to-date and engaging introduction to this topic, using anecdotal and real-world examples to illustrate key concepts and principles. It seamlessly connects qualitative and quantitative approaches and the use of technologies, including generative AI, to language assessment development and analysis for students with little background in these areas. Hands-on activities, exercises, and discussion questions provide opportunities for application and reflection, and the inclusion of additional resources and detailed appendices cements understanding. Ancillary resources are available including datasets and videos for students, PowerPoint teaching slides and a teacher's guide for instructors. Packed with pedagogy, this is an invaluable resource for both first and second language speakers of English, students on applied linguistics or teacher education courses, and practicing teachers of any language.
Spatiotemporal mass-balance variability of Jostedalsbreen Ice Cap, Norway, revealed by a temperature-index model using Bayesian inference
Authors: Sjursen Kamilla Hauknes , Dunse Thorben , Schuler Thomas Vikhamar , Andreassen Liss Marie , Åkesson Henning
Published: November 2024

Jostedalsbreen in western Norway is the mainland Europe's largest ice cap and a complex system of more than 80 glaciers. While observational records indicate a significant sensitivity to climate fluctuations, knowledge about ice-cap wide spatiotemporal mass changes and their drivers remain sparse. Here, we quantify the surface mass balance (SMB) of Jostedalsbreen from 1960 to 2020 using a temperature-index model within a Bayesian framework. We assimilate seasonal glaciological SMB to constrain accumulation and ablation, and geodetic mass balance to adjust model parameters for each glacier individually. Overall, we find that Jostedalsbreen has experienced a small mass loss of −0.07 m w.e. a−1 (−0.21 to +0.08 m w.e. a−1), but with substantial spatiotemporal variability. Our results suggest that winter SMB variations were the main control on annual SMB between 1960 and 2000, while increasingly negative summer SMB is responsible for substantial mass losses after 2000. Spatial variations in SMB between glaciers or regions of the ice cap are likely associated with local topography and its effect on orographic precipitation. We advocate for models to leverage the growing availability of observational resources to improve SMB predictions. We demonstrate an approach that incorporates complementary datasets, while addressing their inherent uncertainties, to constrain models and provide robust estimates of spatiotemporal SMB and associated uncertainties.
Open discussion at the IGS symposium on ‘The edges of glaciology’, 7 July 2023
Authors: Fowler Andrew C.
Published: November 2024

There follows the open discussion which took place at the IGS symposium on ‘The Edges of Glaciology’, in July 2023. The discussion was curated by Doug Benn. The time of speaking in minutes and seconds into the Panopto recording is given in bold figures. The recording itself is provided as electronic supplementary material. It has been transcribed and edited by Andrew Fowler, with much (and much-needed) assistance from the participants. Footnotes (mostly references) are editorial intrusions.
Which is the safer option for adult patients between peripherally inserted central catheters and midline catheters: a meta-analysis
Authors: Wen Jianyun , Xiong Shuping , Tu Ziwei , Lin Ping , Yuan Yeqin , Fu Wenhong , Qiu Juan
Published: November 2024

Background:

Peripherally inserted central catheters (PICC) and midline catheters (MC) are widely used for intravenous infusions in oncology and critically ill patients. However, controversy remains regarding which method is superior. This meta-analysis systematically compares the safety differences between these 2 methods of intravenous catheterization.

Methods:

Eligible studies comparing PICC and MC were identified through searches in 6 databases. Thrombosis is the primary endpoint, while secondary endpoints include other complications, cost, and satisfaction rate.

Results:

Fourteen studies with 20,675 patients were analyzed. Based on patient data, the MC group exhibited higher rates of catheter-related superficial vein thrombosis (SVT) (risk ratio [RR]: 0.42 [0.28, 0.64]), infiltrations (RR: 0.27 [0.12, 0.62]), and leaks (RR: 0.16 [0.05, 0.53]). In contrast, the PICC group had more catheter-related bloodstream infections (RR: 1.95 [1.15, 3.32]). Considering catheter days, the MC group showed increased total complications (RR: 0.51 [0.26, 0.99]), catheter-related thrombosis (deep vein thrombosis [DVT]+SVT) (RR: 0.41 [0.18, 0.95]), and leaks (RR: 0.17 [0.05, 0.64]). In the PICC group, the top 3 complications were catheter occlusions (20 per 1,000 catheter days [CDs]), pain (15 per 1,000 CDs), and phlebitis (11 per 1,000 CDs); for the MC group, they were leaks (33 per 1,000 CDs), premature removals (22 per 1,000 CDs), and catheter-related DVT (22 per 1,000 CDs). Additionally, the PICC group had higher dissatisfaction rates (RR: 4.77 [2.33, 9.77]) and increased costs.

Conclusions:

Compared to MC, PICC appears to be a safer intravenous catheterization option for adult patients, exhibiting fewer complications. However, the higher associated costs and lower satisfaction rates of PICC warrant serious attention.
Dated radar-stratigraphy between Dome A and South Pole, East Antarctica: old ice potential and ice sheet history
Authors: Sanderson Rebecca J. , Ross Neil , Winter Kate , Bingham Robert G. , Callard S. Louise , Jordan Tom A. , Young Duncan A.
Published: November 2024

An array of information about the Antarctic ice sheet can be extracted from ice-sheet internal architecture imaged by airborne ice-penetrating radar surveys. We identify, trace and date three key internal reflection horizons (IRHs) across multiple radar surveys from South Pole to Dome A, East Antarctica. Ages of ~38 ± 2.2, ~90 ± 3.6 and ~162 ± 6.7 ka are assigned to the three IRHs, with verification of the upper IRH age from the South Pole ice core. The resultant englacial stratigraphy is used to identify the locations of the oldest ice, specifically in the upper Byrd Glacier catchment and the Gamburtsev Subglacial Mountains. The distinct glaciological conditions of the Gamburtsev Mountains, including slower ice flow, low geothermal heat flux and frozen base, make it the more likely to host the oldest ice. We also observe a distinct drawdown of IRH geometry around South Pole, indicative of melting from enhanced geothermal heat flux or the removal of deeper, older ice under a previous faster ice flow regime. Our traced IRHs underpin the wider objective to develop a continental-scale database of IRHs which will constrain and validate future ice-sheet modelling and the history of the Antarctic ice sheet.
Recent and future variability of the ice-sheet catchment of Sermeq Kujalleq (Jakobshavn Isbræ), Greenland
Authors: Løkkegaard Anja , Colgan William , Aschwanden Andy , Khan Shfaqat Abbas
Published: November 2024

Knowledge of ice-sheet catchments is critical for mass-balance assessments, especially glacier-scale input–output budgets. This study explores variations in the catchment of Sermeq Kujalleq, or Jakobshavn Isbrø, Greenland. Six observation-based catchment delineations are evaluated along with a 16-member catchment ensemble calculated from ice-sheet models within the Ice Sheet Model Intercomparison Project for CMIP6 (ISMIP6). The ‘present-day’ ISMIP6 ensemble mean area was found to be

$\sim 6.3\%$

larger than the mean of the observed catchments. Ensemble spreads were comparable in size,

$\pm 12.3\%$

and

$\pm 15.4\%$

, suggesting models are able to delineate the present-day catchment with the same degree of uncertainty as observational methods. The mean catchment area of a 13-member ISMIP6 ensemble shows temporal variation, increasing

$\sim [ 2.7,\; \, 5.7,\; \, 9.1] \%$

under three ocean forcing scenarios and a RCP8.5 projection based on one GCM from 2015 to 2100, primarily as the southern catchment boundary migrates southward. This is interpreted as Sermeq Kujalleq exhibiting dynamic piracy, re-directing ice away from adjacent land terminating glaciers. For mass-balance assessments, present-day catchment delineation is more important than capturing the temporal evolution of individual catchments. However, the modeled temporal changes in catchment area are potentially underestimated, as the models exhibit insufficient acceleration of inland ice flow.
GENERIC DERIVATIONS ON ALGEBRAICALLY BOUNDED STRUCTURES
Authors: FORNASIERO ANTONGIULIO , TERZO GIUSEPPINA
Published: November 2024

Let${\mathbb K}$be an algebraically bounded structure, and letTbe its theory. IfTis model complete, then the theory of${\mathbb K}$endowed with a derivation, denoted by$T^{\delta }$, has a model completion. Additionally, we prove that if the theoryTis stable/NIP then the model completion of$T^{\delta }$is also stable/NIP. Similar results hold for the theory with several derivations, either commuting or non-commuting.
DIGITISING THE UK SECURITIES MARKET: THE CASE AGAINST AND A PROPOSAL TO ENFRANCHISE INDIRECT INVESTORS
Authors: Micheler Eva , Zaccaria Elena Christine
Published: November 2024

A taskforce, appointed by HM Treasury, has recently proposed legislation to eliminate certificated (paper) shares and to require the investors currently holding paper shares to hold them indirectly through nominees. It has also suggested that disclosure combined with a common messaging protocol will enable the market to improve the ability of indirect shareholders to exercise their rights. In this paper we make a case against legislation eliminating paper certificates. We argue that the industry does not need the Government to remove paper certificates. If they want paper certificates to disappear, they should develop a model for holding uncertificated shares directly that is affordable for retail investors. The Government should nevertheless intervene. It should encourage the Competition and Markets Authority to investigate the price structure of accounts for holding uncertificated shares directly with CREST, which operates as a monopoly provider for such accounts in the UK. We further explain that the current system for holding shares indirectly disenfranchises investors and argue that this not only affects investors but also deprives issuers of oversight of their governance. We use empirical evidence to explain that disclosure combined with a common messaging protocol is unlikely to cause the market to develop a system that better enfranchises indirect shareholders. Consequently, we propose legislation to give indirect investors better access to shareholder rights.
Simplicity of non-associative skew Laurent polynomial rings
Authors: Bäck Per , Richter Johan
Published: November 2024

We introduce non-associative skew Laurent polynomial rings and characterize when they are simple. Thereby, we generalize results by Jordan, Voskoglou, and Nystedt and Öinert.
Peace Versus Profit: Rebel Fragmentation and Conflict Resurgence in Colombia
Authors: Wyer Frank
Published: November 2024

Why do rebel splinter groups emerge during peace processes, and who chooses to defect? Since Colombia's landmark peace agreement with the FARC in 2016, roughly half of the territory once controlled by the group has seen a resurgence of rebel activity by FARC splinter groups. I argue that the FARC's return to arms is a case of “middle-out fragmentation,” whereby opportunities for profit induce mid- or low-ranking rebel commanders to establish splinter groups. In Colombia, I argue that profits from the cocaine trade incentivized local-level FARC officers to defect from the peace agreement and allowed them to rapidly mobilize viable splinter groups. I offer several lines of evidence for this argument. I first construct a chronology of splinter group formation, which demonstrates that mid- and low-level commanders, rather than high-level commanders, were the key drivers of fragmentation. Second, I show that splinter groups emerged in areas where opportunities for profit were greatest. Among areas previously controlled by the FARC, those with coca cultivation prior to the peace agreement were up to thirty-seven percentage points more likely to see splinter groups emerge by 2020 than areas without significant production. Using soil and weather conditions to instrument for coca cultivation produces similar results. Further, I use a novel measure of how critical each municipality is to drug trafficking to show that areas that are theoretically most important for drug trafficking are also more likely to see FARC resurgence. I also address competing explanations related to state capacity, terrain, and popular support for the rebels. These findings highlight an important challenge to peacebuilding: satisfying the political demands of rebel leadership is a necessary but insufficient component of peace agreements in cases where opportunities for profit motivate fragmentation from the middle out.
The Doctrine of Inherent Powers under the Sudanese Civil Procedure Code: Its Origin, Nature and Scope
Authors: Gaffar Hafiz
Published: November 2024

This article delves into the doctrine of inherent powers within the Sudanese Civil Procedure Code, with a specific focus on its origin, nature and scope. It posits that this doctrine empowers the courts to undertake actions essential for fulfilling their duties and ensuring the pursuit of justice, even in instances where such powers are not explicitly granted to them under statutory provisions. Additionally, the article examines the potential advantages and disadvantages associated with inherent powers and contemplates whether their exercise might pose a threat to the rule of law. It also explores the arguments both in favour of and against the possibility of rule-making within the framework of these powers and the potential impact of such regulations on the administration of justice. The article asserts that while a court's inherent powers are indispensable for the efficient dispensation of justice, it is imperative that they are not wielded capriciously or arbitrarily. Instead, their exercise should be guided by the principles of equity and good conscience.
The anatomical mammary gland position influences the weight gain and morphometry of piglets at weaning
Authors: Fidelis Pedro Henrique da Silva , Lima Thatila Ellinna Batista de , Gomes Lígia Vanessa Leandro , Saraiva João Paulo Bezerra , Andrade Tiago Silva , Borges Cibele dos Santos , Rangel Adriano Henrique do Nascimento , Macedo Michelly Fernandes de , Watanabe Pedro Henrique , Moreira Rennan Herculano Rufino
Published: November 2024

The objective was to evaluate the performance of suckling piglets based on their choice of mammary gland. A completely randomized design was used, considering the position of the mammary glands pair and their respective piglets as experimental unit. The mammary gland position was considered for the treatments, being 1st, 4th and 7th pair. The ration and leftovers were weighed daily to obtain daily feed intake of the sow. On post-natal day (PND) 3 and 21, 80 ml of milk was collected to analyse crude protein, fat, lactose, non-fatty solids, mineral matter and total solids. On PND 3 and 21, the piglets were weighed to determine weight gain and estimate milk consumption. The piglets' longitudinal length and head circumference were measured in the same period and estimated body surface area/mass ratio. Blood samples from the sows and piglets were collected on PND 3 and 21 to analyse total cholesterol, triglycerides, total protein, fractions and glucose. There was an effect of mammary gland position on piglets at PND 21 suckling on the 7th pair, which had a 23.88 cm2/kg greater body surface/mass ratio compared to those who suckled in the 1st pair. In turn, at PND 21, the piglets that suckled in the 1st pair presented higher weight, weight gain and milk consumption (0.685, 0.033 and 0.127 kg, respectively) than those that suckled in the 7th pair. Anterior mammary glands result in better productive performance and better chances of maintaining piglet homeostasis at PND 21.
In defence of Rebel Angel Theodicy
Authors: Forrest Peter
Published: November 2024

Rebel Angel Theodicy – often called Satan Theodicy – is the thesis that horrendous evils are directly or indirectly caused by angels who disobeyed God. In this article, I defend it, developing Gary Emberger’s suggestion that they influenced the course of evolution. After defending speculative theodicy, I expound Rebel Angel Theodicy and reply to seven objections that explicate the widespread judgement of implausibility:

1.

That the existence of angels is metaphysically problematic.

2.

That God has no good reason to create angels.

3.

That angels have no power to harm human beings.

4.

That God, foreknowing the possibility of rebellion, would not delegate to angels the power to guide evolution.

5.

That even if there was a good reason for God to delegate this power to angels it is metaphysically impossible for an omnipotent God to do so.

6.

That God, knowing of the angels’ rebellion, would subsequently intervene to put evolution back onto the preferred divine plan.

7.

That there is no plausible motive for angels to rebel.
Analytical derivation of singularity-free tubes in the constant-orientation workspace of 6-6 Stewart platform manipulators
Authors: Kolte Aditya Mahesh , Ramesh Shashank , Bandyopadhyay Sandipan
Published: November 2024

This paper presents the novel concept of a singularity-free tube (SFT) in the constant orientation workspace of a spatial parallel manipulator. The concept is developed and demonstrated in the context of a
$6$
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$6$
spatial parallel manipulator, namely, the semi-regular Stewart platform manipulator. Given two points in the said workspace, the SFT is a tubular volume which contains these points and is free of gain-type or forward-kinematic singularities. The purpose of identifying such regions in space is to allow abundant freedom to the path-planner to connect the said points by a path, which can be free of gain-type singularities simply by remaining inside the SFT at all times. To demonstrate the concept, two smooth paths obtained by formulating two different optimisation problems have been presented as examples. The SFT can be of great help in singularity-free path-planning in many similar manipulators.
Reexamining the role of regulatory focus in second language achievement
Authors: Wang Li , Sun Xinyi
Published: November 2024

In this study, we approximately replicated Papi and Khajavy’s (2021) investigation into the regulatory focus in second language acquisition, applying their approach to a significantly larger cohort of 855 Chinese second language (L2) learners. In contrast with the original study, our research employed the College English Test Band 4 (CET-4), a standardized English test, to better align with the Chinese educational context. This methodological shift allowed for a nuanced exploration of the regulatory focus’s role in language learning among Chinese students. Our results predominantly reinforce the crucial role of regulatory focus in language learning, echoing Papi and Khajavy’s findings. We discovered notable parallels in how promotion positively influences ideal own and ideal other, and how prevention negatively impacts ought own and ought other. However, a unique finding of our study was the stronger impact of ought selves on L2 anxiety and enjoyment in the Chinese context. This highlights the nuanced influence of socioeducational environments on regulatory focus strategies, suggesting contextual variability in language learning strategies.
Neighbours of the Apsaros Fort. Local Tribes on the Black Sea Coast during the Principate
Authors: Karasiewicz-Szczypiorski Radosław
Published: November 2024

In the second half of the first century ce, the Romans built a fort at the mouth of the river Apsaros on the coast of Colchis. A Roman garrison was stationed there also in the second century and first half of the third. One of the reasons for fortifying the estuary of the river, given by both Pliny the Elder and Arrian, was the immediate vicinity of the kingdom of Iberia. Both Roman authors also described the local tribes living on the coast between Trebizond and Apsaros and further north. One wonders whether they were the indigenous population of the region and what kind of a relationship they had with the Roman Empire. This study searches for answers to these questions in the preserved written sources and in the archaeological record.
Visual inspection time as an accessible measure of processing speed: A validation study in children with cerebral palsy
Authors: Kaufman Jacqueline N. , Van Tubbergen Marie , Donders Jacobus , Warschausky Seth
Published: November 2024

Objective:

This study examined the validity of a visual inspection time (IT) task as a measure of processing speed (PS) in a sample of children with and without cerebral palsy (CP). IT tasks measure visualization speed without focusing on the motor response time to indicate decision making about the properties of those stimuli.

Methods:

Participants were 113 children ages 8–16, including 45 with congenital CP, and 68 typically developing peers. Measures were a standard visual IT task that required dual key responding and a modified version using an assistive technology button with response option scanning. Performance on these measures was examined against traditional Wechsler PS measures (Coding, Symbol Search).

Results:

IT performance shared considerable variance with traditional paper-pencil PS measures for the group with CP, but not necessarily in the typically developing group. Concurrent validity was found for both IT task versions with traditional PS measures in the group with CP. IT classification accuracy for lowered PS showed modest sensitivity and good specificity particularly for the modified IT task.

Conclusions:

As measures of PS in children with CP who are unable to validly participate in traditional PS tasks, IT tasks demonstrate adequate concurrent validity and may serve as a beneficial alternative measure of PS in this population.
Generating Global and Local Explanations for Tree-Ensemble Learning Methods by Answer Set Programming
Authors: TAKEMURA AKIHIRO , INOUE KATSUMI
Published: November 2024

We propose a method for generating rule sets as global and local explanations for tree-ensemble learning methods using answer set programming (ASP). To this end, we adopt a decompositional approach where the split structures of the base decision trees are exploited in the construction of rules, which in turn are assessed using pattern mining methods encoded in ASP to extract explanatory rules. For global explanations, candidate rules are chosen from the entire trained tree-ensemble models, whereas for local explanations, candidate rules are selected by only considering rules that are relevant to the particular predicted instance. We show how user-defined constraints and preferences can be represented declaratively in ASP to allow for transparent and flexible rule set generation, and how rules can be used as explanations to help the user better understand the models. Experimental evaluation with real-world datasets and popular tree-ensemble algorithms demonstrates that our approach is applicable to a wide range of classification tasks.