bluuebunny/crossref_metadata_2025 huggingface dataset:
High- and low-cycle-fatigue properties of additively manufactured Inconel 625
Authors: Concli Franco , Gerosa Riccardo , Panzeri Davide , Fraccaroli Lorenzo
Published: January 2024

In the last years, additive manufacturing has become a widespread technology which enables lightweight-design based on topological optimization. Therefore, generation of lattice structures with complex geometries and small thicknesses is allowed. However, a complete metallurgical and mechanical characterization of these materials is crucial for their effective adoption as alternative to conventionally manufactured alloys. Industrial applications require good corrosion resistance and mechanical strength to provide sufficient reliability and structural integrity. Particularly, fatigue behavior becomes a crucial factor since presence of poor surface finishing can decrease fatigue limits significantly. In this work, both the low-cycle-fatigue and high-cycle-fatigue behaviors of Inconel 625, manufactured by Selective Laser Melting, were investigated. Fatigue samples were designed to characterize small parts and tested in the as-built condition since reticular structures are usually adopted without any finishing operation. Microstructural features were studied by light-optical microscopy and scanning-electron microscopy. Finally, fatigue failures were deeply investigated considering fracture mechanics principles with the Kitagawa–Takahashi diagram.
Graphene-enhanced, wear-resistant, and thermal-conductive, anti-/de-icing gelcoat composite coating
Authors: Chen Jun , Parsi Pranay Kumar , Marklund Pär , Björling Marcus , Shi Yijun
Published: January 2024

Wind power is considered as a sustainable and environmentally friendly energy source. However, the occurrence of icing poses significant challenges to energy production, particularly in frigid regions during the winter season. Conventional strategies employed for preventing and removing ice formation have proven inadequate due to their inability to satisfy intricate requirements or their high energy consumption. In this study, a commercial gelcoat coating was adopted as an anti-/de-icing coating by introducing different concentrations of graphene and boron nitride into the gelcoat coating through physical mixing. Extensive investigations were conducted on the correlation between anti-/de-icing, wear resistance, and thermal conductivity. Notably, the incorporation of nanoparticles induced a rise in the surface roughness, resulting in prolonged resistance to water icing on the coated surface. The wear resistance and thermal conductivity of the composite coating were enhanced through the inclusion of boron nitride and graphene. The building of thermal conductive particle networks improved thermal conductivity which can lead to improved heat transfer and heat distribution. At the same time, the enhanced gelcoat composite coating exhibited exceptional passive anti-/de-icing performance and wear resistance. This coating can replace commercial coatings to improve anti-/de-icing efficiency for the existing active heating anti-/de-icing techniques available in the market.

Graphical Abstract

The graphene was employed to enhance the thermal conductivity, wear resistance, and anti-/de-icing properties of the turbine coating.
Biochar and organic fertilizer applications enhance soil functional microbial abundance and agroecosystem multifunctionality
Authors: Hu Wang , Zhang Yuping , Rong Xiangmin , Zhou Xuan , Fei Jiangchi , Peng Jianwei , Luo Gongwen
Published: January 2024

Biochar and organic fertilizer are widely supported to maintain crop production and sustainable development of agroecosystems. However, it is unclear how biochar and organic fertilizer alone or in combination regulate soil functional microbiomes and their relationships to ecosystem multifunctionality (EMF). Herein, a long-term (started in 2013) field experiment, containing five fertilization treatments, was employed to explore the effects of biochar and organic fertilizer applications on the EMF (based on 18 functional indicators of crop productivity, soil nutrient supply, element cycling, and microbial biomass) and the functional microbiomes of bulk soil and rhizosphere soil [normalizing the abundances of 64 genes related to carbon (C), nitrogen (N), phosphorus (P), and sulphur (S) cycles]. Compared with single-chemical fertilization, biochar and organic fertilizer inputs significantly enhanced most ecosystem-single functions and, in particular, the EMF significantly increased by 18.7–30.1%; biochar and organic fertilizer applications significantly increased the abundances of soil microbial functional taxa related to C-N-P-S cycles to varying degree. The combined application of biochar and organic fertilizer showed a better improvement in these indicators compared to using them individually. Most functional microbial populations in the soil, especially the taxa involved in C degradation, nitrification, nitrate-reduction, organic P mineralization, and S cycling showed significantly positive associations with the EMF at different threshold levels, which ultimately was regulated by soil pH and nutrient availability. These results highlight the strong links between soil microbiomes and agroecosystem functions, as well as providing scientific support for inclusion of biochar in agricultural production and services with organic amendments.

Graphical Abstract
Influence Maximization in Dynamic Networks Using Reinforcement Learning
Authors: Dizaji S. Haleh S. , Patil Kishor , Avrachenkov Konstantin
Published: January 2024

Influence maximization (IM) has been widely studied in recent decades, aiming to maximize the spread of influence over networks. Despite many works for static networks, fewer research studies have been dedicated to the IM problem for dynamic networks, which creates many challenges. An IM method for such an environment, should consider its dynamics and perform well under different network structures. To fulfill this objective, more computations are required. Hence, an IM approach should be efficient enough to be applicable for the ever-changing structure of a network. In this research, an IM method for dynamic networks has been proposed which uses a deep Q-learning (DQL) approach. To learn dynamic features from the network and retain previously learned information, incremental and transfer learning methods have been applied. Experiments substantiate the good performance of the DQL methods and their superiority over compared methods on larger sizes of tested synthetic and real-world networks. These experiments illustrate better performance for incremental and transfer learning methods on real-world networks.
Agile by accident: how to apply Agile principles in academic research projects
Authors: Biely Katharina
Published: January 2024

Sustainability science and sustainability transition studies are interdisciplinary fields. Interdisciplinarity is understood to support out-of-the-box thinking and thus facilitate scientific advancements. Interdisciplinary research projects dealing with complex issues might need project management approaches that support learning, adaptation, and innovation. Agile is a management approach that has been developed to facilitate collaboration, learning, creativity, innovation, and reflectivity. Due to these qualities, Agile might be a suitable approach to managing interdisciplinary research projects. Agile project management is still new in academic research settings. Only limited information about how to apply it in an academic setting exists. To fill this gap the Agile principles are translated to fit the academic context. The article then outlines how Agile principles can be applied to an academic research program, that did not consciously plan to apply this approach. The translation of the principles will permit other researchers to intentionally use them in their interdisciplinary research projects. Furthermore, other researchers can build on the insights provided in this article to overcome the challenges that Agile can bring.
The two-body strong decays of the fully-charm tetraquark states
Authors: Wang Zhi-Gang , Yang Xiao-Song
Published: January 2024

We study the hadronic coupling constants in the two-body strong decays of the fully-charm tetraquark states with the $$J^{PC}=0^{++}$$

J

PC

=

0

+
+

, $$1^{+-}$$

1

+
-

, and $$2^{++}$$

2

+
+

via the QCD sum rules based on rigorous quark-hadron duality. Then we obtain the hadronic coupling constants and partial decay widths therefore total decay widths, which support assigning the X(6552) as the first radial excitation of the scalar tetraquark state. And other predictions can be used to diagnose exotic states in the future.
QI$$^2$$: an interactive tool for data quality assurance
Authors: Geerkens Simon , Sieberichs Christian , Braun Alexander , Waschulzik Thomas
Published: January 2024

The importance of high data quality is increasing with the growing impact and distribution of ML systems and big data. Also, the planned AI Act from the European commission defines challenging legal requirements for data quality especially for the market introduction of safety relevant ML systems. In this paper, we introduce a novel approach that supports the data quality assurance process of multiple data quality aspects. This approach enables the verification of quantitative data quality requirements. The concept and benefits are introduced and explained on small example data sets. How the method is applied is demonstrated on the well-known MNIST data set based an handwritten digits.
Should we develop AGI? Artificial suffering and the moral development of humans
Authors: Li Oliver
Published: January 2024

Recent research papers and tests in real life point in the direction that machines in the future may develop some form of possibly rudimentary inner life. Philosophers have warned and emphasized that the possibility of artificial suffering or the possibility of machines as moral patients should not be ruled out. In this paper, I reflect on the consequences for moral development of striving for AGI. In the introduction, I present examples which point into the direction of the future possibility of artificial suffering and highlight the increasing similarity between, for example, machine–human and human–human interaction. Next, I present and discuss responses to the possibility of artificial suffering supporting a cautious attitude for the sake of the machines. From a virtue ethical perspective and the development of human virtues, I subsequently argue that humans should not pursue the path of developing and creating AGI, not merely for the sake of possible suffering in machines, but also due to machine–human interaction becoming more alike to human–human interaction and for the sake of the human’s own moral development. Thus, for several reasons, humanity, as a whole, should be extremely cautious about pursuing the path of developing AGI—Artificial General Intelligence.
Best beaches of the world: a critique of web-based rating
Authors: de Oliveira Elaine Baroni , Newton Alice , Botero Camilo M.
Published: January 2024

This study analyzes the content of internet ratings of beaches to identify the indicators used. The methodology used an exploratory internet survey using the term ‘best beaches’ in five languages. For each site, the ranking method used was extracted and the indicators considered were listed, where applicable. Of the 70 websites analyzed, 47 ranked the beaches (67%) but less than 50% used indicators. The remaining were based on the opinion of the editorial board, personal experience, and users’ perceptions. The most used indicator was the color of water, followed by the color of the sand. These results show that the majority of ‘best beaches’ lists are based on subjective criteria. They are an overview of places that appeal to the person that wrote the page and are not scientifically or analytically based. Even when indicators are considered, these are mostly a reflection of the idea of an idealized beach, crystal blue waters with white or gold sand. The actual quality of the beach, including water quality, carrying capacity, and ecosystem balance, is not addressed. Although visual attractiveness is a key element for the public, these rankings should incorporate a wider range of indicators to fully assess the quality of a beach.
Perioperative immunotherapy for resectable non-small-cell lung cancer
Authors: Yang Xiaodong , Bian Dongliang , Yang Jie , Duan Liang , Wang Haifeng , Zhao Deping , Jiang Gening , Zhu Yuming , Zhang Peng
Published: January 2024

Lung cancer, of which non-small-cell lung cancer (NSCLC) is the most common type, is the leading cause of cancer-related deaths. Anatomic pulmonary resection followed by adjuvant chemotherapy is considered the standard-of-care for patients with resectable NSCLC; however, postoperative relapses and metastases remain common. Immunotherapy, mainly with immune checkpoint inhibitors, has revolutionized the treatment of patients with metastatic NSCLC. In addition, it provides a new strategy for the perioperative treatment of resectable NSCLC. Initial encouraging results have been reported from clinical studies exploring different immunotherapeutic strategies for resectable NSCLC. This review summarizes the results of the latest clinical trials evaluating various perioperative immunotherapeutic approaches aimed at improving the outcomes of patients with resectable NSCLC.
Medievalism in Nineteenth-Century Belgium
Authors: John Simon
Published: January 2024

Offers new insights into the political and modern uses of public monuments devoted to figures from the past and the role of historical culture in the creation of national identity.
An experimental investigation on the aerodynamic characteristics and vortex dynamics of a flying wing
Authors: Kumar V. , Mandal A.C. , Poddar K.
Published: January 2024

In this paper, we present a detailed experimental investigation mainly on the vortical flow fields and the associated vortex breakdown phenomena over a non-slender flying wing (sweep angle,
${\rm{\Lambda }}$
= 53°). In the process, the aerodynamic coefficients were also determined using a six-component force balance. Surface oil flow visualisation, surface pressure measurements and particle image velocimetry (PIV) measurements, in various crossflow planes and in a longitudinal plane passing through the leading-edge vortex core, were carried out at various Reynolds numbers to understand the flow field over the non-slender flying wing. Aerodynamic characteristics of the flying wing show local peaks and valleys in the pitching moment coefficient. The surface flow visualisation reveals that the nonlinearity of the pitching moment curve is due to the complex nature of vortical flow structures. The flow visualisation also demonstrates the presence of a wave-like surface pattern, and its size is found to reduce with increasing Reynolds numbers. The present PIV measurements confirm that this wave-like surface pattern is associated with vortex breakdown phenomena. These measurements also reveal that the vortex breakdown has not reached the apex of the wing, even at post-stall angle-of-attack. For pre-stall (
$\alpha $
= 20°) flow regimes, it is observed that the location of the vortex breakdown moves downstream as the Reynolds number increases, but this influence is minimised at near-stall (
$\alpha $
= 25°) and post-stall (
$\alpha $
= 30°) flow regimes. Reconstructed velocity field using the first 10 dominant proper orthogonal decomposition (POD) modes reveals that the nature of the vortex breakdown over the flying wing is a spiral-type vortex breakdown.
Joint partial equidistribution of Farey rays in negatively curved manifolds and trees
Authors: PARKKONEN JOUNI , PAULIN FRÉDÉRIC
Published: January 2024

We prove a joint partial equidistribution result for common perpendiculars with given density on equidistributing equidistant hypersurfaces, towards a measure supported on truncated stable leaves. We recover a result of Marklof on the joint partial equidistribution of Farey fractions at a given density, and give several analogous arithmetic applications, including in Bruhat–Tits trees.
Early detection of Youngia japonica (L.) DC. (Asteraceae) in São Miguel Island, Azores, Portugal
Authors: Roxo Guilherme , Silva Luís , Borges Silva Lurdes , Rego Rúben , Resendes Roberto , Moura Mónica
Published: January 2024

Youngia japonica (L.) DC. was recently discovered on the Azorean island of São Miguel. This species is a cosmopolitan herb that has been reported to be invasive in several regions of the world. It is unclear when and how this plant arrived in São Miguel, Azores. Nevertheless, we hypothesize that this is an unintentional and recent introduction. The populations are expanding in São Miguel, and action is needed to mitigate potential damage to native ecosystems.
Relaxation dynamics of capillary folding of thin elastic sheets with pinned contact lines
Authors: Li Zhixuan , Ren Weiqing
Published: January 2024

Capillary folding is the process of folding planar objects into three-dimensional (3-D) structures using capillary force. It has many important industrial applications, e.g. the fabrication of microelectromechanical systems. In this work, we propose a 3-D model for the capillary folding of thin elastic sheets with pinned contact lines. The energy of the system consists of interfacial energies between the different phases and the elastic energy of the sheet. The latter is described by the nonlinear Koiter's model, which can accommodate large deformations of the sheet. From the energy, we derive the governing equations for the static system using a variational approach. We then develop a numerical method to find equilibrium solutions via a relaxation dynamics. At each time step, we evolve the sheet by using the subdivision element method, and update the droplet surface by minimizing a squared area functional using linear finite elements. Qualitatively, numerical solutions for the equilibrium configurations of the sheet–droplet system agree well with those observed in experiments. Furthermore, we identify the critical bendabilities and present bifurcation diagrams for the folding of a triangular sheet. The results exhibit rich and fully 3-D behaviours that were not captured by previous two-dimensional models. Our results provide new insights into the nonlinear process of capillary folding, and may contribute to the advancement of microfabrication techniques.
Sour grapes and sweet harmony: Historicizing collective action problems in the South African wine industry
Authors: Nugent Paul
Published: January 2024

The article addresses how merchants and wine producers interacted while oscillating between competition and collaboration in their internal relations. Spanning a period of more than a century, it addresses three chronological periods: 1900–1940, 1940–1994, and 1994 to the present. In the first, producers were able to forge a common front against the merchants in the shape of the Koöperatieve Wynbouwers Vereniging van Suid-Afrika, which was granted devolved regulatory powers over distilling wine in 1924 and then all wine in 1940. In the second, the antagonism between good and distilling producers was sublimated at a time of relative prosperity, while the merchants engaged in fierce competition. In the final phase, the regulatory system imploded while the export market re-emerged. Quality producers found common ground in appealing to terroir, whereas marginal producers supplied merchants and supermarkets with low-priced bulk wines.
The Mustis arch and its dedication
Authors: Sánchez de la Parra-Pérez Santiago
Published: January 2024

The arch of Gordian III at Mustis (Al Karib, Tunisia) has been the subject of scholarly work since the eighteenth century, and its dedicatory inscription has drawn the attention of antiquarians and archaeologists since the early nineteenth century. The transcription and reconstruction of its text were proposed by the editors of the eighth volume of the Corpus Inscriptionum Latinarum in numbers 1577 and 15572. This version has prevailed in scientific literature ever since, even though Beschaouch announced in a short note in 1969 the discovery of a fourth block that substantially alters the information it contains. However, a comprehensive study of the complete inscription was never published due to the lack of graphic material. Thanks to the drawing by J. Vérité, the architect in charge of the monument's restoration, we can analyse the inscription as a whole. We conclude that the proposal by the CIL editors is incorrect, we provide the complete transcription of the epigraph, and we propose a new date for the dedication of the arch, in 240 AD.
Decolonizing the ‘One China’ Narrative: The Case of Taiwan
Authors: Chou Catherine Lila
Published: January 2024

This essay argues that contemporary Taiwan, as a democratic, functionally independent polity, constitutes the crucial exception to disavowals by the Republic of China (ROC) and People’s Republic of China (PRC) of imperialist claims and ambitions. As such, it explores how the ideal of a single China spanning the Taiwan Strait (‘one China’) depends on the erasure of a (proto-) national Taiwanese identity, and possibly the suppression of the people who claim it. ‘One China’ narratives seek to naturalize Taiwan’s absorption into the ROC in the 1940s and its potential future annexation by the PRC, hiding the pressures placed on Taiwanese people today to give up their hard-fought democracy, as well as the bloodshed that would be involved in any military conquest.
Lactoferrin's potential application in enhancing yoghurt's microbial and sensory qualities, with emphasis on the starter culture activity
Authors: Nadi Walaa G. , Taher Eman M. , Awad Abeer Abdel Nasser , Ahmed Lamiaa Ibrahim
Published: January 2024

This research paper aimed to examine the antibacterial activity of lactoferrin (LF) as a potential natural alternative in the dairy sector, by measuring its minimum inhibitory concentration (MIC) against a number of common food-borne pathogens as well as Pseudomonas aeruginosa, one of the major dairy product spoiling microorganisms. Additionally, a viability experiment was applied to laboratory-manufactured set yoghurt to assess its impact on the activity of starter culture, sensory properties and STEC survivability. The findings demonstrated that LF exhibited significant antimicrobial activity, particularly against E. coli and S. typhimurium with MIC values of 0.0001 and 0.01 mg/ml, respectively. However, P. aeruginosa and B. cereus were quite resistant to LF requiring higher concentrations for MIC (2.5 mg/ml). By the third day of storage, LF at 0.0001 and 0.001 mg/ml significantly reduced the survivability of Shiga toxin-producing E. coli STEC by 70 and 91.6%, respectively, in the lab-manufactured yoghurt. Furthermore, LF enhanced the sensory properties of fortified yoghurt with a statistically significant difference in comparison to the control yoghurt group. There was no interference with the activity of the starter culture throughout the manufacturing process and the storage period. In conclusion, the potent antimicrobial effect of LF opens a new avenue for the dairy industry's potential applications of LF as a natural preservative without negatively influencing the sensory properties and starter culture activity of fermented products.
Evaluating the impact of sprinkler cycle and flow rate on dairy buffalo performance during heat stress
Authors: Hussain Syed I. , Ahmad Nisar , Ahmad Saeed , Akhter Maqsood , Shahid Muhammad Q.
Published: January 2024

The aim of this study was to evaluate the effect of the sprinkler cycle and flow rate on physiological, behavioural, and productive responses in dairy buffaloes. Nine Nili Ravi lactating buffaloes were subjected to three sprinkler cycles and two flow rates using a double replicated 3 × 3 Latin square design. The flow rates were 1.25 and 2 l/min, and the sprinkler cycles (minutes water on/off, number of cycles/h) were: 3/3, 10 cycles; 3/6, 7 cycles and 3/9, 5 cycles. The showering was applied from 0800 till 1630 h daily. In the first square of 21 d, each of the three sprinkler cycles was applied using a 1.25 l/min flow rate for 7 d per cycle. In the later square, the same treatments (sprinkler cycles) were applied using the 2 l/min flow rate. The average temperature humidity index during the study period was 85.7 ± 3.8 (Mean ± sd). The result showed that the 3/3 treatment group had lower body temperature and respiration rate than the other groups. The buffaloes in the 3/3 group produced 0.5 and 0.7 kg more milk with 1.4 and 2.4% more fat than the 3/6 and the 3/9 treatment groups, respectively. Similarly, the 2 l/min flow rate had a lower core body temperate and respiration rate and higher milk yield than the 1.25 l/min group. The 3/3 showering cycle with a 2 l/min flow rate appeared effective in improving physiological responses and milk yield in dairy buffaloes.
Lack of evidence for association between the leptin/Sau3AI gene and milk yield traits in Holstein Friesian dairy cattle
Authors: Kibar Mustafa , Aytekin İbrahim
Published: January 2024

This study aimed to investigate the effect of leptin gene polymorphism and some environmental factors on milk production traits. Blood samples from 212 Holstein Friesian dairy cattle reared on a private farm were used. The intron 2 region of the leptin gene was digested with Sau3AI restriction enzyme using the PCR-RFLP method. A and B alleles and AA, AB, and BB genotype frequencies for the Sau3AI polymorphism were determined as 0.8821 and 0.1179, and 0.764, 0.236 and 0.000, respectively. Chi-square analysis revealed that the leptin gene polymorphism followed the Hardy–Weinberg equilibrium, including the absence of animals with the BB genotype. The effect of leptin gene polymorphism on all milk production traits was insignificant. For milk production traits, direct heritability (ha2) varied between 0.03 ± 0.283 (for the dry period) and 0.50 ± 0.183 (for milk conductivity). Regarding the milking time (MT), the estimated breeding values (EBVs) of cattle with the AA genotype were higher than the AB genotype (P < 0.05). As a result of this study, in the selection program, allele or genotype could not be suggested as a marker for milk yield characteristics except for the possible exception of milking time and its relationship to mastitis incidence.
Percutaneous pulmonary valve implantation in children and adults with an age and gender-specific analysis
Authors: Kotidis Charalampos , Nirmal Neeraj , Kantzis Marinos
Published: January 2024

Background:

There are limited studies with medium-term follow-up following percutaneous pulmonary valve implantation and no studies with a gender-specific analysis.

Aims:

To report clinical outcomes up to five years following percutaneous pulmonary valve implantation using the two most common balloon expandable valves in a mixed population of paediatric and adult patients with an age and gender-specific analysis.

Methods:

This was a single-centre retrospective observation study. Relevant data were obtained retrospectively from the case files. Age and gender- specific analysis was performed using SPSS.

Results:

Totally, 58 patients (13 children, 45 adults) underwent percutaneous pulmonary valve implantation. Statistically significant reduction in median right ventricular outflow tract flow velocity following valve implantation was maintained for the whole five years in adults but not in children. There were no gender-specific differences despite the study being adequately powered. Independent of valve type used, there was significant reduction of the right ventricular outflow tract flow velocity in the immediate post valve implantation period (Edwards P = 0.001, Melody P = 0.013). There was a significant negative correlation between implanted valve Z-score and subsequent right ventricular outflow tract gradient during the first two years following valve implantation.

Conclusion:

Gender does not significantly affect valve function following percutaneous pulmonary valve implantation. It is important to consider patients’ age and body surface area in relation to existing right ventricular outflow tract size during decisions for percutaneous pulmonary valve implantation.
Why Did Kant Conceive of the Critique of Pure Reason as a Critique? Comments on Gabriele Gava’s Kant’s Critique of Pure Reason and the Method of Metaphysics
Authors: de Boer Karin
Published: January 2024

My response to Gabriele Gava’s Kant’s Critique of Pure Reason and the Method of Metaphysics (2023) focuses on Kant’s conception of the role of critique in the Critique of Pure Reason. On my account, Gava’s emphasis on the constructive elements of the Critique downplays the critique of former metaphysics elaborated in all three parts of the Transcendental Doctrine of Elements. After some comments on Kant’s conception of the Critique as a doctrine of method, I support this view by discussing the relation between transcendental philosophy and transcendental critique, Kant’s analysis of the faculties, and his transcendental deduction of space.
The relationship between institutional quality, trust and private savings
Authors: Facchini François , Massin Sophie , Brookes Kevin
Published: January 2024

This paper draws on macroeconomics, the economics of institutions and the economics of trust to explain private savings at the national level for 33 OECD (mostly European) countries from 2002 to 2012. More specifically, it raises two questions: (i) is it the quality of institutions or trust in institutions that drives private savings? (ii) if trust matters, what is the appropriate institutional level at which it operates? To answer these questions, we add to the usual explanatory variables of private savings three measures of institutional quality and six measures of institutional trust, distributed between the following institutional levels, presented in assumed hierarchical order: political, legal, financial and social. We find that trust in political institutions is the most significant driver of private savings. This contributes to the literature underlining the importance of subjectivity in social and economic phenomena and suggests, for private bank savings in countries having highly regulated banking systems, the existence of a hierarchy of trust in which trust in the highest-ranking institutions (political – and to a lesser extent legal – institutions) acts as a substitute for trust in every lower-ranking institution (financial institutions and social trust).
Mainstreaming equality and human rights: Factors that inhibit and facilitate implementation in regulators, inspectorates and ombuds in England and Wales
Authors: Barrett David
Published: January 2024

To date the mainstreaming of equality and human rights law into public sector organisations has been underwhelming with the implementation of these norms being ad hoc and inconsistent. Existing research on factors that influence implementation has been either too general or too disjointed. This article has two aims to advance research on the implementation of equality and human rights: (i) to outline factors that influence the implementation of these norms and (ii) provide a more settled foundations for future research on equality and human rights implementation. It does this through interviews, undertaken in 2018–2019, with individuals responsible for leading the implementation of equality and human rights law within public sector organisations (specifically regulators, inspectorates and ombudsmen) in England and Wales. On the basis of this, the article makes suggestions for how the implementation of equality and human rights can be advanced further through changes to the regulatory environment.
Professional Partisans? Primary Care Physicians, State Governments, and COVID-19 Responsibility and Response
Authors: Goidel Kirby , Callaghan Timothy , Nuzhath Tasmiah , Scobee Julia , Washburn David , Motta Matthew
Published: January 2024

Emerging health crises challenge and overwhelm federal political systems (Greer et al. 2020, Global Public Health 15: 1413–6). Within the context of COVID-19, states and governors took charge in the absence of a coordinated federal response. The result was uneven policy responses and variance in health-related and economic outcomes. While existing research has explored public evaluations of state COVID-19 policies, we explore primary care physicians’ trust in state government for handling the pandemic, as well as their evaluations of their state government’s treatment responsibility for the pandemic and their state’s policy response. We find that general preferences for the role of the federal/state government in addressing the pandemic are shaped by individual-level physician partisanship. Specific evaluations of state policy responsiveness are influenced by whether physicians’ partisan preferences matched their governor. We also find, however, that Republican physicians were critical of Republican governors and physicians were less partisan than the general public. At least within public health, there are limits to the influence of partisan identity on expert (physician) political evaluations.
Magma‐Assisted Continental Rifting: The Broadly Rifted Zone in SW Ethiopia, East Africa
Authors: Erbello A. , Colleps C. , Melnick D. , Sobel E. R. , Bookhagen B. , Pingel H. , Zeilinger G. , van der Beek P. , Strecker M. R.
Published: January 2024

The Gofa Province and Chew Bahir Basin in the Broadly Rifted Zone (BRZ) between the southern Main Ethiopian Rift (sMER) and the northern Kenya Rift (nKR) record early volcanism and associated faulting in East Africa; however, the spatiotemporal relationships between volcanism and faulting remain poorly constrained. We applied apatite (U‐Th)/He (AHe) and zircon (U‐Th)/He (ZHe) thermochronometry to Neoproterozoic basement rocks from exhumed footwall blocks of the extensional Gofa Province and Chew Bahir Basin, and analyzed our result in the context of well‐dated regional volcanic units in the BRZ to unravel the interplay between tectonic exhumation, faulting and volcanism. Single‐grain AHe ages ranging from 1.0 to 136.8 Ma were recorded in 32 samples, and single‐grain ZHe ages from three samples range between 142.2 and 335.6 Ma. The youngest AHe ages were obtained from the Chew Bahir Basin and the narrow deformation zone in the Gofa Province. Our thermal modeling results reflect little or no significant regional crustal cooling prior to extensive volcanism, which started at about 45 Ma. Conversely, new and previously published thermal history models suggest that widespread crustal cooling related to regional extension occurred between ∼27 and 20 Ma. Thermal modeling results from subsets of samples indicate that following this initial diffuse extensional deformation, renewed exhumation occurred along a narrow zone within the Gofa Province and the Chew Bahir Basin during the middle to late Miocene (15‐6 Ma) and Pliocene (<5 Ma), respectively. The crustal cooling phases follow a regional trend in volcanic episodes. For example, initial cooling between 27 and 20 Ma corresponds with the end of widespread flood‐basalt volcanism (45–28 Ma), suggesting that spatially diffuse normal faulting may have initiated shortly after the emplacement of voluminous and areally extensive flood basalts. The Miocene and Pliocene shifts in deformation along the Mali‐Dancha and Bala‐Kela basins in the Gofa Province and the Chew Bahir Basin, respectively, may indicate strain localization during the late stage of rifting and ongoing tectonic interaction between the sMER and the nKR. Our results support the notion of crustal weakening by massive volcanism as a precursor to widespread extensional faulting, and thus offer further insights into magma‐assisted deformation processes in the East African Rift System.
Understanding the Influence of Urban Form on the Spatial Pattern of Precipitation
Authors: Lu Yanle , Yu Zhou , Albertson John D. , Chen Haonan , Hu Leiqiu , Pendergrass Angeline , Chen Xiaodong , Li Qi
Published: January 2024

Urban areas are known to modify the spatial pattern of precipitation climatology. Existing observational evidence suggests that precipitation can be enhanced downwind of a city. Among the proposed mechanisms, the thermodynamic and aerodynamic processes in the urban lower atmosphere interact with the meteorological conditions and can play a key role in determining the resulting precipitation patterns. In addition, these processes are influenced by urban form, such as the impervious surface extent. This study aims to unravel how different urban forms impact the spatial patterns of precipitation climatology under different meteorological conditions. We use the Multi‐Radar Multi‐Sensor quantitative precipitation estimation data products and analyze the hourly precipitation maps for 27 selected cities across the continental United States from the years 2015–2021 summer months. Results show that about 80% of the studied cities exhibit a statistically significant downwind enhancement of precipitation. Additionally, we find that the precipitation pattern tends to be more spatially clustered in intensity under higher wind speed; the location of radial precipitation maxima is located closer to the city center under low background winds but shifts downwind under high wind conditions. The magnitude of downwind precipitation enhancement is highly dependent on wind directions and is positively correlated with the city size for the south, southwest, and west directions. This study presents observational evidence through a cross‐city analysis that the urban precipitation pattern can be influenced by the urban modification of atmospheric processes, providing insight into the mechanistic link between future urban land‐use change and hydroclimates.
Doppler Shifted Auroral Hydrogen Lyman‐Alpha Spectra Observed by DMSP/SSUSI
Authors: Liou Kan , Paxton Larry , Zhang Youngliang , Wolven Brian , Schaefer Robert
Published: January 2024

Proton auroras, when viewed from space, are subjected to Doppler red shifts. Reports on space‐based observations of Doppler shift of H Lyman‐alpha (Ly‐α) spectral line associated with proton precipitation are still scarce. This study, as a first attempt, extracts Doppler shifted H Ly‐α spectral profiles resulting from proton precipitation from data acquired with the Special Sensor Ultraviolet Spectrographic Imager (SSUSI) on board the Defense Meteorological Satellite Program (DMSP)/F16 spacecraft. SSUSI consists of a scanning imaging spectrograph, which covers the far ultraviolet spectrum from ∼1,120 to 1,850 Å, with 160 spectral bins and a spectral resolution of ∼20 Å. We show redshift Ly‐α spectra observed by SSUSI when its field of view traverses the auroral ovals. The inferred proton energy and energy flux are in close agreement with the DMSP SSJ in situ particle measurements. This study demonstrates the potential capability of SSUSI in monitoring the energetics of proton precipitation.
Australian Summer Monsoon Bursts: A Moist Static Energy Budget Perspective
Authors: Mohanty Sarthak , Jakob Christian , Singh Martin S.
Published: January 2024

The Australian monsoon's wet season is associated with sequences of wet and dry conditions known as bursts and breaks, which usually have timescales of a week or two. There are several hypotheses for the physical processes involved in monsoon bursts, ranging from the effects of the Madden‐Julian Oscillation to extratropical influences. We analyze rainfall bursts in Northern Australia using a moist static energy (MSE) budget framework. We separate the bursts into three types and further separate them into pre‐monsoon, active monsoon, and post‐monsoon. We then apply ERA5 data to calculate the MSE budget for each burst and construct composite bursts for each of the three types. We find that the horizontal advection of MSE over the tropical northern Australian convergence zone is the most critical term in the budget for the day‐to‐day precipitation variation. MSE‐related gross moist stability analysis reveals that each type has distinct characteristics. The burst type associated with active monsoon bursts displays convective growth and decay patterns both before and after the precipitation peak, which is typical of oceanic convection. A low‐rainfall burst type, which is often seen before monsoon onset, is linked to coastal convection and has minimal rainfall decay after the burst. Finally, a sustained high‐rainfall burst type, mostly observed at the end or after the monsoon retreat, has growth characteristics similar to the typical monsoon burst but does not decay, maintaining very high rainfall for at least a week due to a rearrangement of the circulation and local thermodynamic structure of the atmosphere.
Clogging and Unclogging of Fine Particles in Porous Media: Micromechanical Insights From an Analog Pore System
Authors: Yin Yanzhou , Cui Yifei , Jing Lu
Published: January 2024

Pore clogging and unclogging in porous media are ubiquitous in subsurface hydrologic processes, which have been studied extensively at various scales ranging from a single pore to porous‐medium samples. However, it remains unclear how fluid flow, particle rearrangement, and the arching effect typical of cone‐shaped pore geometry interact and how they are captured by a pressure drop model at the macroscopic scale. Here, we investigate the pore‐scale feedback mechanisms between fluid flow and pore clogging and unclogging using a fully resolved fluid‐particle coupling approach (lattice Boltzmann method‐discrete element method). We first propose to use a truncated‐cone pore to represent realistic pore geometries revealed by X‐ray images of prepared sand packing. Then, our simulations indicate that the pore cone angle significantly influences the pressure drop associated with the clogging process by enhancing particle contacts due to arching. A modified Ergun equation is developed to consider this geometric effect. At the microscale, clogging can be explained by the interparticle force statistics; a few particles in an arch (or a dome) take the majority of hydrodynamic pressure. The maximum interparticle force is positively proportional to the particle Reynolds number and negatively associated with the tangent of the pore cone angle. Finally, a formula is established utilizing fluid characteristics and pore cone angle to compute the maximal interparticle force. Our findings, especially a modified pressure drop model that accounts for pore geometry resistance, provide guidance for applying pore‐scale models of clogging and unclogging to large‐scale subsurface fines transportation issues, including seepage‐induced landslides, stream bank failure, and groundwater recharge.
Improving River Routing Using a Differentiable Muskingum‐Cunge Model and Physics‐Informed Machine Learning
Authors: Bindas Tadd , Tsai Wen‐Ping , Liu Jiangtao , Rahmani Farshid , Feng Dapeng , Bian Yuchen , Lawson Kathryn , Shen Chaopeng
Published: January 2024

Recently, rainfall‐runoff simulations in small headwater basins have been improved by methodological advances such as deep neural networks (NNs) and hybrid physics‐NN models—particularly, a genre called differentiable modeling that intermingles NNs with physics to learn relationships between variables. However, hydrologic routing simulations, necessary for simulating floods in stem rivers downstream of large heterogeneous basins, had not yet benefited from these advances and it was unclear if the routing process could be improved via coupled NNs. We present a novel differentiable routing method (δMC‐Juniata‐hydroDL2) that mimics the classical Muskingum‐Cunge routing model over a river network but embeds an NN to infer parameterizations for Manning's roughness (n) and channel geometries from raw reach‐scale attributes like catchment areas and sinuosity. The NN was trained solely on downstream hydrographs. Synthetic experiments show that while the channel geometry parameter was unidentifiable, n can be identified with moderate precision. With real‐world data, the trained differentiable routing model produced more accurate long‐term routing results for both the training gage and untrained inner gages for larger subbasins (>2,000 km2) than either a machine learning model assuming homogeneity, or simply using the sum of runoff from subbasins. The n parameterization trained on short periods gave high performance in other periods, despite significant errors in runoff inputs. The learned n pattern was consistent with literature expectations, demonstrating the framework's potential for knowledge discovery, but the absolute values can vary depending on training periods. The trained n parameterization can be coupled with traditional models to improve national‐scale hydrologic flood simulations.
Ischemia-reperfusion injury: molecular mechanisms and therapeutic targets
Authors: Zhang Meng , Liu Qian , Meng Hui , Duan Hongxia , Liu Xin , Wu Jian , Gao Fei , Wang Shijun , Tan Rubin , Yuan Jinxiang
Published: January 2024

Ischemia-reperfusion (I/R) injury paradoxically occurs during reperfusion following ischemia, exacerbating the initial tissue damage. The limited understanding of the intricate mechanisms underlying I/R injury hinders the development of effective therapeutic interventions. The Wnt signaling pathway exhibits extensive crosstalk with various other pathways, forming a network system of signaling pathways involved in I/R injury. This review article elucidates the underlying mechanisms involved in Wnt signaling, as well as the complex interplay between Wnt and other pathways, including Notch, phosphatidylinositol 3-kinase/protein kinase B, transforming growth factor-β, nuclear factor kappa, bone morphogenetic protein, N-methyl-D-aspartic acid receptor-Ca2+-Activin A, Hippo-Yes-associated protein, toll-like receptor 4/toll-interleukine-1 receptor domain-containing adapter-inducing interferon-β, and hepatocyte growth factor/mesenchymal-epithelial transition factor. In particular, we delve into their respective contributions to key pathological processes, including apoptosis, the inflammatory response, oxidative stress, extracellular matrix remodeling, angiogenesis, cell hypertrophy, fibrosis, ferroptosis, neurogenesis, and blood-brain barrier damage during I/R injury. Our comprehensive analysis of the mechanisms involved in Wnt signaling during I/R reveals that activation of the canonical Wnt pathway promotes organ recovery, while activation of the non-canonical Wnt pathways exacerbates injury. Moreover, we explore novel therapeutic approaches based on these mechanistic findings, incorporating evidence from animal experiments, current standards, and clinical trials. The objective of this review is to provide deeper insights into the roles of Wnt and its crosstalk signaling pathways in I/R-mediated processes and organ dysfunction, to facilitate the development of innovative therapeutic agents for I/R injury.