bluuebunny/crossref_metadata_2025_split huggingface dataset:
A Controlled Trial Comparing One-Year Hemodynamics of Two Bovine Pericardial Valves
Authors: Sohn Suk Ho , Kang Yoonjin , Kim Ji Seong , Choi Jae Woong , Lee Jae Hang , Kim Jun Sung , Lim Cheong , Hwang Ho Young 
Published: October 2023

Abstract
Background This randomized controlled trial was designed to compare 1-year hemodynamic performances and clinical outcomes after aortic valve replacement (AVR) using a recently introduced (the AVALUS group) and worldwide used (the CEPME group) bovine pericardial bioprostheses.
Methods Patients were screened to enroll 70 patients in each group based on a noninferiority design. The primary endpoint of the trial was the mean pressure gradient across the aortic valve (AVMPG) at 1 year after surgery. One-year echocardiographic data were obtained from 92.1% (129 of 140 patients) of the study patients.
Results There were no differences in baseline characteristics, including sex and body surface area (1.64 ± 0.18 vs. 1.65 ± 0.15 m2) between the groups. The AVMPG on 1-year echocardiography was 14.0 ± 4.3 and 13.9 ± 5.1 mmHg in the AVALUS and CEPME groups, respectively (the p-value for noninferiority was 0.0004). In the subgroup analyses for the respective size of the prostheses, AVMPG of the 19-mm prostheses was significantly lower in the AVALUS group than in the CEPME group (14.0 ± 4.3 vs. 20.0 ± 4.7 mmHg, p = 0.012), whereas those of the other sizes were not significantly different between the two groups. There were no significant differences in the effective orifice area (1.49 ± 0.40 vs. 1.53 ± 0.38 cm2, p = 0.500) or effective orifice area index (0.91 ± 0.22 vs 0.93 ± 0.23 cm2/m2, p = 0.570) in all the patients, or in the subgroup analysis for the 19-mm prosthesis. There were no differences in the 1-year clinical outcomes between the two groups.
Conclusion The 1-year hemodynamic and clinical outcomes of the AVALUS group were noninferior to those of the CEPME group (NCT03796442).
New Insights into Mortality-Related Risk Factors in Infective Endocarditis: Results from the Brandenburg State Endocarditis Register
Authors: Ostovar Roya , Schroeter Filip , Seifi Zinab Frarzane , Fritzsche Dirk , Minden Hans-Heinrich , Lasheen Nirmeen , Hartrumpf Martin , Ritter Oliver , Dörr Gesine , Albes Johannes Maximilian 
Published: October 2023

Abstract
Objective Endocarditis as a potentially life-threatening disease with high complication and mortality rates. In recent years, an increase in the incident of endocarditis has been reported throughout Europe. In the aging society, successful treatment is complex and challenging owing to the high rate of multimorbidity.
Methods We initiated a statewide prospective multicenter endocarditis registry in 2020. Perioperative risk factors, comorbidities, microbiological, laboratory and imaging diagnostics, complications, and mortality including 1-year follow-up were collected. The present midterm analysis includes factors influencing mortality in the first 313 patients.
Result In-hospital mortality and 1-year mortality were 28.4 and 40.9%, respectively. Preoperative risk factors include age (p < 0.001), EuroSCORE II (p < 0.001), coronary artery disease (p = 0.022), pacemaker probe infection (p = 0.033), preoperative left ventricular ejection fraction (LVEF), systemic inflammatory response syndrome (SIRS), pulmonary edema, heart failure, septic emboli, acute renal failure, impaired coagulation, hypalbuminemia (p < 0.001), and N-terminal prohormone of brain natriuretic peptide (NTproBNP) (p = 0.001). The presence of peri-annular abscess, perforation, and shunt were associated with increased mortality (p = 0.004, 0.001, and 0.004, respectively). In addition, cardiopulmonary bypass time influenced mortality (p = 0.002). The main postoperative causes of death were multi-organ failure, renal failure, vasoplegia, and low-output syndrome (p < 0.001). Previous endocarditis was 7.7%, while 35.5% were prosthetic valve recipients and 33.6% were redo surgeries.
Conclusion Our first registry data show the complexity of endocarditis patients and the challenging treatment. Some risk factors can be treated preoperatively. For instance, hypalbuminemia and the duration of the procedure can be controlled with adequate albumin substitution and carefully planned procedures restricted to the essential requirements, that is, hybrid approaches with consecutive interventions.
A Novel Autosomal Recessive Candidate Gene Responsible for RASopathy-Like Phenotype and Bone Marrow Failure: RASA3
Authors: Ayaz Akif , Doğru Zeynep , Kök Kıvanç , Bayram Nihan , Yaman Yöntem , Köseoğlu Abdullah Hüseyin , Yiğitbaşı Türkan , Öztürk Demir Aslı Güner , Yüksel Elçin , Dundar Burcu , Çaralan Erdal Fırat , Nepesov Serdar , Elli Murat 
Published: October 2023

AbstractAlthough many genetic etiologies, such as Fanconi anemia, Shwachman–Diamond syndrome, dyskeratosis congenita, and Diamond–Blackfan anemia, from hereditary bone marrow failure are known today, the responsible gene remains unknown in a significant part of these patients. A 6-year-old girl, whose parents were first-cousin consanguineous, was referred to the pediatric hematology department due to growth retardation, thrombocytopenia, neutropenia, and anemia. The patient had low-set ears, pectus excavatum inferiorly, and cafe-au-lait spots. In whole-exome analysis, p.K385T (c.1154A > C) variant in the RASA3 gene was detected as homozygous. The amino acid position of the alteration is located in the conserved and ordered region, corresponding to the Ras GTPase activation domain (Ras-GAP) in the center of the protein. Importantly, most of in silico prediction tools of pathogenicity predicts the variant as damaging. RASopathies, which are characterized by many common clinical findings, such as atypical facial features, growth delays, and heart defects, are a group of rare genetic diseases caused by mutations in the genes involved in the Ras-MAPK pathway. The findings in this patient were consistent with the RASopathy-like phenotype and bone marrow failure. Interestingly, enrichment of RASopathy genes was observed in the RASA3 protein–protein interaction network. Furthermore, the subsequent topological clustering revealed a putative function module, which further implicates RASA3 in this disease as a novel potential causative gene. In this context, the detected RASA3 mutation could be manifesting itself clinically as the observed phenotype by disrupting the functional cooperation between the RASA3 protein and its interaction partners. Relatedly, current literature also supports the obtained findings. Overall, this study provides new insights into RASopathy and put forward the RASA3 gene as a novel candidate gene for this disease group.
Multiple measurements of CEOs’ overconfidence and future earnings management: evidence from Asia-Pacific developing countries
Authors: Sumiyana Sumiyana , Na’im Ainun , Nugroho Albertus H. L. , Kurniawan Firdaus 
Published: October 2023

AbstractThis study investigates the association between CEOs’ overconfidence and future earnings management. This research is designed to explain CEOs’ overconfidence with the serial logic of self-confidence and self-identity in constructing their overconfidence. The authors demonstrate the CEOs’ overconfidence using multiple measures exploratorily that criticise their behaviour to manage their firms’ earnings aggressively. The authors collected data from the Bureau Van Dijk and Refinitiv Thomson Reuters databases. They identified manufacturing firms listed on the stock exchanges of Singapore (SSE), Malaysia (KLSE), Thailand (SET), the Philippines (PSE), Indonesia (IDX), Vietnam (HOSE), Pakistan (PSE); Taiwan (TSEC); India (NSE) and China (SSE). They categorised developing countries as lower-middle and upper-middle-income. This study used Generalised Least-Square (GLS) regression to test all the hypotheses. This study finds this association robust in an international setting for developing countries. In other words, it shows some extant research that most CEOs in developing countries would intentionally like to manage future earnings. Furthermore, it identifies developing countries with lower-middle incomes and less competition due to emerging capital markets. Then, it highlights that CEOs in developing countries tend to be overconfident because of cognitive behaviour. Moreover, these CEOs assemble an organisational culture that can easily improve prospective performance. Therefore, this study infers that economic uncertainty causes CEOs to be overconfident, enhancing their boldness when managing earnings excessively. This study presents a novelty supported by three critical reasoning arguments. First, it explains the phenomenon of CEOs’ overconfidence through self-confidence (self-control). Second, the authors develop multiple measurements used in the study to mark the CEOs’ overconfidence as a combined product of self-confidence and self-identity. It uses capital expenditures to measure the CEOs’ overconfidence and firm overinvestment, the incremental debt-to-equity ratio, historical earnings persistence, historical stock price persistence, the magnitude of the related party’s transactions and political connections. Third, this study investigates CEOs’ overconfidence in an international setting.
Decomposition mechanism of clean air based on ReaxFF molecular dynamics simulation and quantum chemical calculation
Authors: Zhao Danchen , Yan Jing , He Ruixin , Lu Lei , Geng Yingsan , Liu Zhiyuan 
Published: October 2023

SF6 is widely used in gas switchgear but has a strong greenhouse effect. The development of an environment-friendly switchgear that can replace SF6 is a current research hotspot. As a SF6 alternative technology, vacuum arc-extinguishing chamber plus clean air insulation has shown high application prospects. The clean air inside the switchgear decomposes under the effect of high temperature and discharge; however, only a few studies focused on its decomposition mechanism. In this work, the decomposition mechanism of clean air and the effect of temperature on the decomposition are simulated at the atomic level based on ReaxFF (Reactive force field) molecular dynamics and quantum chemistry theory. Results showed that the decomposition of clean air mainly generates NO, NO2, and N2O. NO is the main product at high temperatures and thus can be the characteristic decomposition product of clean air. The clean air has good self-recovery characteristics, and its decomposition can be substantially promoted by increasing the temperature. The decomposition rates of N2 and O2 under 3000 K can reach 7.00% and 8.00%, respectively, which are twice and four times those under 2000 K. These results can provide theoretical basis and engineering guidance for the development of environment-friendly switchgear with vacuum arc-extinguishing chamber plus clean air insulation.
Adherence to WHO’s terminology?
Authors: Moreno Albert Morales 
Published: October 2023

Abstract
What happens when terms are used, translated and coined under the pressure of a global pandemic? By analyzing ad hoc corpora from the leaders of the World Health Organization (WHO), European Commission (EC), Spain and France, as well as Spanish and French press, this corpus-based study aims to identify the extent to which the WHO influenced and contributed to the standardization of COVID-19-related terminology in French and Spanish during the pandemic.
Publicly available speeches from January 1, 2020 to September 30, 2021 delivered by these four institutional leaders were compiled and analyzed using corpus linguistics techniques. Use frequencies in the media provide contrasting data on term use in selected French and Spanish newspapers.
Results indicate that terminological variation was less pronounced for more established terminology and more widespread for terms coined during COVID-19. Furthermore, in some cases the analyzed supranational and national institutions and the press failed to adopt standardized WHO terminology. The study concludes that national institutions and the press did not rise to their potential as agents for the standardization and harmonization of WHO’s COVID-19-related terminology.
Relaxation approach for learning neural network regularizers for a class of identification problems
Authors: Court Sébastien 
Published: October 2023

Abstract
The present paper deals with the data-driven design of regularizers in the form of artificial neural networks, for solving certain inverse problems formulated as optimal control problems. These regularizers aim at improving accuracy, wellposedness or compensating uncertainties for a given class of optimal control problems (inner-problems). Parameterized as neural networks, their weights are chosen in order to reduce a misfit between data and observations of the state solution of the inner- optimal control problems. Learning these weights constitutes the outer-problem. Based on necessary first-order optimality conditions for the inner-problems, a relaxation approach is proposed in order to implement efficient solving of these inner-problems, namely the forward operator of the outer-problem. Optimality conditions are derived for the latter, and are implemented in numerical illustrations dealing with the inverse conductivity problem. The numerical tests show the feasibility of the relaxation approach, first for rediscovering standard L
2-regularizers, and next for designing regularizers that compensate unknown noise on the observed state of the inner-problem.
Reentrant canonical spin-glass dynamics and tunable field-induced transitions in (GeMn)Co2O4 Kagomé lattice
Authors: Singha A D , Pramanik P , Joshi D C , Ghosh S , Jena S K , Tiwari P , Sarkar T , Thota S 
Published: October 2023

Abstract
We report on the reentrant canonical semi spin-glass characteristics and controllable field-induced transitions in distorted Kagomé symmetry of (GeMn)Co2O4. This B-site spinel exhibits complicated, yet interesting magnetic behaviour in which the longitudinal ferrimagnetic (FiM) order sets in below the Néel temperature T
FN ∼ 77 K due to uneven moments of divalent Co (↑ 5.33 μ
B) and tetravalent Mn (↓ 3.87 μ
B) which coexists with transverse spin-glass state below 72.85 K. Such complicated magnetic behaviour is suggested to result from the competing anisotropic superexchange interactions (J
AB/k
B ∼ 4.3 K, J
AA/k
B ∼ −6.2 K and J
BB/k
B ∼ −3.3 K) between the cations, which is extracted following the Néel’s expression for the two-sublattice model of FiM. Dynamical susceptibility (χ
ac (f, T)) and relaxation of thermoremanent magnetization, M
TRM (t) data have been analysed by means of the empirical scaling-laws such as Vogel–Fulcher law and Power law of critical slowing down. Both of which reveal the reentrant spin-glass like character which evolves through a number of intermediate metastable states. The magnitude of Mydosh parameter (Ω ∼ 0.002), critical exponent zυ = (6.7 ± 0.07), spin relaxation time τ
0 = (2.33 ± 0.1) × 10−18 s, activation energy E
a/k
B = (69.8 ± 0.95) K and interparticle interaction strength (T
0 = 71.6 K) provide the experimental evidences for canonical spin-glass state below the spin freezing temperature T
F = 72.85 K. The field dependence of T
F obtained from χ
ac (T) follows the irreversibility in terms of de Almeida–Thouless mean-field instability in which the magnitude of crossover scaling exponent Φ turns out to be ∼2.9 for the (Ge0.8Mn0.2)Co2O4. Isothermal magnetization plots reveal two field-induced transitions across 9.52 kOe (H
SF1) and 45.6 kOe (H
SF2) associated with the FiM domains and spin-flip transition, respectively. Analysis of the inverse paramagnetic susceptibility

χ

p

−
1

χ

p

=
χ
−

χ
0

after subtracting the temperature independent diamagnetic term

χ
0

(=−3 × 10−3 emu mol−1 Oe−1) results in the effective magnetic moment

μ

eff

= 7.654 μ
B/f.u. This agrees well with the theoretically obtained

μ

eff

= 7.58 μ
B/f.u. resulting the cation distribution

Mn

0.2

4
+

↓

A

[

Co

2

2
+

↑

]
B

O

4

in support of the Hund’s ground state spin configuration

S
=
3

/

2

and

S
=

1

/

2

of Mn4+ and Co2+, respectively. The H–T phase diagram has been established by analysing all the parameters (T
F(H), T
FN(H), H
SF1(T) and H
SF2(T)) extracted from various magnetization measurements. This diagram enables clear differentiation among the different phases of the (GeMn)Co2O4 and also illustrates the demarcation between short-range and long-range ordered regions.
Incipient fault feature extraction of rolling element bearings based on SOSO boosting technique and improved energy operator
Authors: Wang Yan , Li Jiabo , Bu Penghui , Ye Min 
Published: October 2023

Abstract
The incipient fault features of rolling element bearings (REBs) are easily overwhelmed by environmental noise and vibration interference. Therefore, this paper proposes a novel fault feature extraction method for REBs based on a SOSO (Strengthen-Operate denoising-Subtract-Strengthen) boosting technique. Firstly, an improved fast non-local mean filtering (IFNLM) algorithm is proposed by improving the similarity measure and kernel function while reducing the amount of weight calculation based on distance symmetry. Secondly, a SOSO_IFNLM boosting filtering structure is constructed to reduce the noise of the original vibration signal and enhance the early faint fault pulse. Finally, a k-value improved symmetric higher-order frequency-weighted energy operator (k-SHFWEO) is proposed to detect the bearing fault features from denoised signals. The effectiveness and feasibility of the proposed SOSO_IFNLM-k-SHFWEO method are numerically and experimentally investigated. The results demonstrate that the proposed method has better fault feature extraction capability for early weak faults of REBs and higher efficiency compared to other popular methods.
Semi-supervised diagnosis method for coupling faults of key rotating components based on EEMD-KPCA under cross working conditions
Authors: Yuyan Zhang , Yafeng Zhang , Hao Li , Wuyi Ming , Wenliao Du , Xiaoyu Wen , Yongqi Zhang , Lingdi Yan 
Published: October 2023

Abstract
To address the challenges of extracting coupled fault features from key rotating components and classifying them under changeable operating conditions, a semi-supervised fault diagnosis method is proposed. First, Ensemble Empirical Mode Decomposition and Kernel Principal Component Analysis are employed to decompose the original coupled fault signals and reduce feature dimensionality. Experiments are conducted on labeled datasets, yielding an average classification accuracy of 92.43%. To further classify unlabeled datasets under various working conditions, a probability distribution estimation function is incorporated and a confidence threshold is set. For unlabeled data with probabilities greater than the confidence threshold, a pseudo-label is added to increase the labeled data quantity. Thus, it makes learning from these unlabeled data possible. A comparison with the other three methods under cross working conditions showcases the superiority of the proposed approach.
Influence of strong Coulomb coupling on diffusion in atmospheric pressure plasmas
Authors: Acciarri M D , Moore C , Baalrud S D 
Published: October 2023

Abstract
Ion diffusion in atmospheric pressure plasmas is examined and particular attention is paid to the fact that ion–ion interactions can be influenced by strong Coulomb coupling. Three regimes are identified. At low ionization fractions (

x
i

≲

10

−
6

), standard weakly correlated ion-neutral interactions set the diffusion rate. At moderate ionization fractions (

10

−
6

≲

x

i

≲

10

−
2

) there is a transition from ion-neutral to ion–ion collisions setting the diffusion rate. In this regime, the effect of strong Coulomb coupling in ion–ion collisions is accounted for by applying the mean force kinetic theory. Since both ion-neutral and ion–ion interactions contribute a comparable amount to the total diffusion rate, models (such as particle-in-cell or fluid) must account for both contributions. At high ionization fractions (

x

i

≳

10

−
2

), strongly correlated ion–ion collisions dominate and the plasma is heated substantially by a disorder-induced heating (DIH) process associated with strong correlations. The temperature increase due to DIH strongly influences the ion diffusion rate. This effect becomes even more important, and occurs at lower ionization fractions, as the pressure increases above atmospheric pressure. In addition to ion diffusion, DIH affects the neutral gas temperature, therefore influencing the neutral diffusion rate. Model predictions are tested using molecular dynamics simulations, which included a Monte Carlo collision routine to simulate the effect of ion-neutral collisions at the lowest ionization fractions. The model and simulations show good agreement over a broad range of ionization fractions. The results provide a model for ion diffusion, on a wide range of ionization fractions and pressures, solely considering the elastic contribution to the diffusion coefficient—as an illustration of how strong Coulomb coupling influences diffusion processes in general.
Analysis of Consolidation Grouting Effect on The Stability of Portal Slope of The Spillway Tunnel in The Bulango Ulu Dam, Gorontalo, Indonesia
Authors: Purwanto A , Indrawan I G B , Setianto A 
Published: October 2023

Abstract
The problem of portal slope instability often occurs caused by the poor lithological conditions composing the slope. During the portal excavation of the outlet spillway tunnel in the Bulango Ulu Dam, the slope failed. The slope was then reinforced by consolidation grouting. The objectives of this research were to characterize the soil and rock masses composing the slope, evaluate the grouting effectiveness by Limit Equilibrium Method (LEM), and recommend an alternative slope reinforcement method. Surface engineering geological mapping, borehole data evaluation, and laboratory testing were conducted to obtain slope stability analysis parameters. The results showed that the slope consisted of diorite having poor to very poor rock masses. After 7 days of grouting, the triaxial test showed that the soil samples had similar cohesion and increased internal friction angle insignificantly, as compared to the soil samples prior to grouting. The LEM analysis indicated that the portal slope was unstable and consolidation grouting did not increase the slope safety factor (Fs) significantly. As the grouting effect may take significantly long, an alternative slope reinforcement method by soil nailing was proposed. The LEM analysis showed that the soil nailing increased the slope Fs from 0.63 to 1.49.
Stability analyses of diversion tunnel portal slopes at the Cidanau Dam, Banten, Indonesia
Authors: Amalia B A R , Wilopo W 
Published: October 2023

Abstract
The inlet and outlet portal slopes of the Cidanau Dam diversion tunnel were designed with 55° and 46° overall slope angles, respectively, based on stability chart method static analyses. However, the performance of tunnel portal slopes under earthquake loads has not been verified whereas the research area is located in a high earthquake hazard zone. This research was conducted to verify the slope performance under static and earthquake load using limit equilibrium (LE) and finite element (FE) methods. The engineering geological mapping and rock cores evaluation showed that both portal slopes comprised four materials: residual soil, very poor-lapilli tuff, poor-lapilli tuff, and fair-tuff breccia. The stability analyses results showed that the designed tunnel portal slopes were in a stable state under static and earthquake loads. The lowest safety factor (FS) values at the inlet section under static and seismic load are 1.9 and 1.24, and at the outlet section are 2.29 and 1.69, respectively. However, the weathered pyroclastic volcanic rocks comprising the slope is required to be protected from severe degradation upon exposure during and after construction. Results of this study are expected to contribute to the safe design of rock slopes in tropical areas, particularly in Indonesia.