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Found 6383 publications

Quantitative and qualitative indicators of neonatological care at the Maternity Private Obstetric and Gynecologic Hospital in 2023

Balázs Gérecz Lajos Lantos Mária Madarász Dorottya Rózsa Gizella Molnár Krisztina Szőllős Eszter Vörös Zorán Belics Petronella Hupuczi

Publication Name: Orvosi Hetilap

Publication Date: 2025-04-27

Volume: 166

Issue: 17

Page Range: 658-668

Description:

No description provided

Open Access: Yes

DOI: 10.1556/650.2025.33284

Redescription of Trachycilliba persica (Kazemi & Kontschán), notes on the genus Trachycilliba Berlese (Acari: Mesostigmata: Uropodidae), and a key to world species of the genus

Jenő Kontschán Shahrooz Kazemi

Publication Name: Systematic and Applied Acarology

Publication Date: 2025-04-18

Volume: 30

Issue: 4

Page Range: 734-753

Description:

The female of Trachycilliba persica (Kazemi & Kontschán) is redescribed, and the male and deutonymph of the species are described for the first time based on the holotype and additional specimens from Iran. Notes on the genus Trachycilliba are given. Finally, a key to the known species of Trachycilliba is provided.

Open Access: Yes

DOI: 10.11158/saa.30.4.7

Plate Buckling Assessment of Unstiffened and Uniaxial Compressed Plates through Overall Imperfection Method

Mohammad Kheer Alewe

Publication Name: Periodica Polytechnica Civil Engineering

Publication Date: 2025-04-15

Volume: 69

Issue: 2

Page Range: 382-396

Description:

The Overall Imperfection Method (OIM) is a more comprehensive version of the Unique Global and Local Imperfection Method introduced for steel column design in EN 1993-1-1 standard. The generalized OIM is used to evaluate the stability resistance of steel members subjected to irregular load conditions. This study extensively examines the Overall Imperfection Method (OIM) used in analyzing plate buckling, explicitly focusing on steel grades such as S235, S355 and S460. It compares OIM with methods mentioned in EN 1993-1-5 (Annex B, GMNIA and winter curve). The research carefully validates OIM by analyzing Equation (13) (Annex B) across ratios and studying its behavior with various steel grades. The study highlights the importance of finding a balance when applying OIM regarding material properties and slenderness ratios. These findings provide insights for engineering professionals. Additionally, the research introduces a calibrated equation that allows for the application of OIM without exceeding the limits set by GMNIA. This simplifies its implementation in engineering practice.

Open Access: Yes

DOI: 10.3311/PPci.23657

Designing cost-effective supply chains for plastics at the end-of-life

Gerardo Ruiz-Mercado Natalia A. Cano-Londoño Jean Pimentel Csaba Deák Baibhaw Kumar Heriberto Cabezas

Publication Name: Journal of Cleaner Production

Publication Date: 2025-04-10

Volume: 501

Issue: Unknown

Page Range: Unknown

Description:

Increased global plastic consumption and production boosted the amount of end-of-life (EoL) plastic. Also, 90 % of plastic EoL is either landfilled or incinerated. These unsustainable EoL pathways impact the environment and human health and waste valuable materials. Thus, improvements to the existing recycling infrastructure for sustainable plastic management are needed to enhance plastic circularity. Therefore, this contribution addresses optimizing cost-effective pathways for plastic recycling within the supply chain. The research uses mathematical optimization and the P-graph theoretical framework to calculate recycling costs, encompassing both capital expenditure and operational expenditure for various pathways of plastic recycling. The proposed methodology is applied through a detailed case study in Miskolc, Hungary, revealing estimated recycling costs ranging from 54.9 to 59.28 EUR/ton. This finding provides crucial insights into the economic implications of diverse recycling methods. Also, the study highlights the P-graph model's untapped potential as a resource for decision-makers in plastic recycling, particularly the enumeration of options for further consideration. The work's utility and novelty lie in the model's capability to design cost-effective pathways, offering a tangible contribution to the plastic recycling supply chain. Finally, this contribution offers economic solutions needed to ensure cost-effective sustainable plastic management solutions.

Open Access: Yes

DOI: 10.1016/j.jclepro.2025.145227

Finite Element Modeling and Laboratory Performance Evaluation of Lignin, Basalt and Polyester Fiber-Reinforced Asphalt Mixtures

Richárd Nagy Mohammad Fahad

Publication Name: Applied Sciences Switzerland

Publication Date: 2025-04-01

Volume: 15

Issue: 7

Page Range: Unknown

Description:

The performance of styrene-butadiene-styrene (SBS) modified asphalt mixtures can be further improved by adding a variety of fibers available. Addition of fibers provides a cost-effective solution against increasing the dosage of SBS modified asphalt mixtures. Therefore, in this research three different types of fibers—basalt fiber, polyester fiber and lignin fiber—were added to SBS-7% bitumen binder and their performance was compared with SBS-7% mixture without any fibers. The performance was compared using laboratory tests, including indirect tensile strength tests and dynamic shear rheometer. Indirect tensile strength of all the mixtures was evaluated at various loading rates from 10 MPa/s to 70 MPa/s. Furthermore, stiffness moduli of mixtures were evaluated at frequency rages of 5 Hz, 3.5 Hz, 1.9 Hz and 1.2 Hz. Finite element simulations were conducted using the Burger’s logit model, and microstrain analysis was performed to evaluate rutting and fatigue damage. The results show increased performance in terms of gained tensile strength and complex shear modulus for fiber-modified mixtures. Among the fiber-modified mixtures, basalt fiber outperforms other mixtures. PF and LF exhibit almost similar performances. Basalt fiber mixture outperforms the SBS-7% mixture by 25% and 28% in terms of rutting and fatigue damage, respectively.

Open Access: Yes

DOI: 10.3390/app15073953

Comparing Depth-Integrated Models to Compute Overland Flow in Steep-Sloped Watersheds

Katalin Bene Gergely Ámon Richard P. Ray

Publication Name: Hydrology

Publication Date: 2025-04-01

Volume: 12

Issue: 4

Page Range: Unknown

Description:

On steep-sloped watersheds, high-intensity, short-duration rainfall events are the leading causes of flash floods. Typical overland flow analysis assumes sheet-like flow with a shallow water depth. However, the natural creek beds in steep watersheds produce complex and intense flows with a shallow depth and high velocity. According to the hydrodynamical modeling processes for open channel turbulent flow, calculating rainfall-induced overland flow becomes a complex task. Steep topography requires a highly refined numerical mesh, which demands a more complex simulation process. Depth-integrated models with distributed parameters provide useful methods to capture the behavior of steep watersheds. This study investigates the watershed’s overland flow behavior by varying turbulent flow parameters and monitoring possible model errors. The refined modeling places a heavy demand on numerical solvers used for simulating the overland flow motion. This paper examines different depth-integrated model solvers applied to artificial watersheds and compares results produced by the different solver types. This study found that the Shallow Water Equation solutions produced the most consistent and stable results, with the Local Inertia Approximation solutions performing adequately. Adding Large Eddy Simulation to these solutions tended to overcomplicate Shallow Water solutions but generally improved Large Eddy solutions. The Diffuse Wave Equation solutions produced erratic results, losing stability and accuracy as watershed slopes steepened and flow paths became complex.

Open Access: Yes

DOI: 10.3390/hydrology12040067

Advances in Standardised Battery Testing for Enhanced Safety and Innovation in Electric Vehicles: A Comprehensive Review

Zoltán Weltsch Tibor Cseke Soma Fullér Márton Pepó

Publication Name: Batteries

Publication Date: 2025-04-01

Volume: 11

Issue: 4

Page Range: Unknown

Description:

Standardised battery tests are essential for evaluating the safety, reliability, and performance of modern battery technologies, especially with the rapid emergence of innovations such as solid-state and lithium–sulphur batteries. This review reveals critical shortcomings in current international standards (e.g., IEC, IEEE, SAE), which often do not keep pace with technological developments and are not harmonised across regions, limiting their effectiveness in real-world applications. The paper stresses the need for the continuous review of test protocols through collaboration between researchers, manufacturers, and regulators. A detailed case study of the BYD Dolphin battery demonstrates the practical importance of comprehensive testing in real-world conditions, spanning electrical, thermal, and mechanical ranges. The review concludes that up-to-date, harmonised, and scenario-specific test methods are needed to ensure accurate battery assessment, support global comparability, and enable the safe introduction of next-generation batteries for electric mobility and energy storage. Future work should prioritise operational monitoring, open access data sharing, and the development of sustainability-focused practices such as recycling and reclamation.

Open Access: Yes

DOI: 10.3390/batteries11040157

Advantages of Corrosion-Resistant Overlay Welding on Steel S355J2N

F. Tancsics Nikoletta Légmán Hajnalka Hargitai László Varga

Publication Name: Applied Sciences Switzerland

Publication Date: 2025-04-01

Volume: 15

Issue: 7

Page Range: Unknown

Description:

In this paper, the effects of overlay welding of S355J2N steel were studied. We examined how the technological advantages of overlay welding can be taken into account to improve the service lifetime and applicability of components made from traditional S355J2N structural steel during the planning step. Increasing the service life of structures exposed to environmental influences is essential, especially on surfaces exposed to abrasive and chemical corrosion. The direct aim of the investigation was to present a comprehensive picture of technological advantages of the corrosion-resistant overlay welding on steel S355J2N. We mainly analysed experiments with powder-coated wire electrodes which are based on protective gas and robot technology usage. With various mechanical tests, we searched for the minimum number of layers that provides sufficient protection against corrosion. The aim of this paper is to present achieved results during development of a welding technology of a reliably functioning product with increased corrosion resistance.

Open Access: Yes

DOI: 10.3390/app15073832

Optimizing Foamed Bitumen Mixtures: AI-Based Determination of Ideal RAP and FBC Percentages Using HWTT and ITS Data

A. Saleh László Gáspár

Publication Name: Applied Sciences Switzerland

Publication Date: 2025-04-01

Volume: 15

Issue: 7

Page Range: Unknown

Description:

The combination of reclaimed asphalt pavement (RAP) and foamed bitumen content (FBC) in bitumen mixtures presents a viable and economically advantageous approach to asphalt pavement construction. This investigation delves into the optimal combinations of RAP and FBC to attain a perfect performance, particularly concerning rutting resistance and tensile strength, as assessed through the Hamburg Wheel Tracking Test (HWTT) and the Indirect Tensile Strength (ITS) test. Advanced artificial intelligence (AI) methodologies, such as Random Forest, Support Vector Regression (SVR), and Linear Regression, were utilized to check performance data and attain optimal mix designs. The findings indicate that RAP content ranging from 60% to 80%, in conjunction with FBC levels between 1.5% and 1.8%, yield the most adequate performance under both wet and dry conditions, confirming enhanced rutting resistance and tensile strength.

Open Access: Yes

DOI: 10.3390/app15073780