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Influence of abrasive materials on the quality of analytical surfaces during preparation of samples for spectral analysis
Published 2020-10-01“…The article considers the possibility of contamination of the surface of steel samples with abrasive materials when preparing samples for determining the chemical composition on optical emission spectrometers.The standards for sample preparation methods describe in detail the methods of surface treatment, the materials used, and the requirements for the quality of the analyzed surface. …”
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883
Evaluation of Highest Point of Iliac Crest as a Safety Landmark for Supine Percutaneous Nephrolithotomy: A Retrospective Observational Study
Published 2025-03-01“…Materials and Methods: This retrospective observational study was conducted at Shri Mahant Indiresh Hospital, Dehradun, Uttarakhand, India in October 2024. …”
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884
Determination of the KIC Fracture Toughness of the X210Cr12 High-Strength Material
Published 2023-10-01“…Methods: In the experimental study to determine the KIC value, the sample geometry, the crack depth, the load-dependent parameters and calculations and some conformity checks were carried out. …”
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885
A durability- based design approach for structural applications with advanced cement-based materials
Published 2025-07-01“…This material concept, which is based on enhanced durability in the cracked state and self-healing functionalities, can lead to new design paradigms both from the mechanical and durability point of view. …”
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886
Thermo-physical properties evaluation of commercially available phase change material and engine oil
Published 2025-08-01“…To address this, different Composites Phase Change Materials (CPCM) were prepared. To fabricate these materials commercially available PCMs and pure engine oil were used. …”
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887
The role of large language models in improving the readability of orthopaedic spine patient educational material
Published 2025-05-01“…Few studies have assessed the readability of orthopaedic materials such as American Academy of Orthopaedic Surgeons (AAOS) OrthoInfo articles, and no studies have suggested efficient methods to improve readability. …”
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Assessment of fracture resistance of cement-based grouting materials: experimental study and analytical modelling
Published 2025-09-01“…However, current research on the fracture behavior of grouting materials is limited. Traditional fracture mechanics methods, which neglect material heterogeneity and discontinuity, often yield size-dependent fracture parameters. …”
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890
Effect of chewing hard material on boosting brain antioxidant levels and enhancing cognitive function
Published 2024-11-01“…Therefore, this study aimed to investigate changes in brain GSH levels following chewing and their association with cognitive function in healthy young adults.MethodsA total of 52 university students were recruited, and the Korean version of the Repeatable Battery for the Assessment of Neuropsychological Status was used for the neurocognitive evaluations. …”
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Predicting clinical entry point for thoracic epidural catheter insertion during paramedian approach: A prospective observational study
Published 2024-04-01“…Secondary objectives were to study the number of attempts and passes required to locate epidural space, incidence of failed epidural, and its relationship with patient characteristics and demographics. Material and Methods: After informed consent, 155 patients planned for general anesthesia with epidural analgesia in the mid-thoracic region were included in the trial. …”
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893
Investigation of the foaming process and rheological properties of whipped desserts from vegetable raw materials
Published 2024-09-01“…A tasting assessment of the quality was carried out by a 20-point school. Physico-chemical quality indicators were determined in accordance with generally accepted methods: titrated acidity according to GOST 5898-87; mass fraction of moisture – by dissolving the sample; mass fraction of ash – according to GOST 5901-2014; the ability to syneresis (separation of moisture) of the whipped dessert, for this purpose, 20 grams of suspension were kept for 5 days at a temperature of 25 ° C in a thermostat, after which the volume of released moisture was measured with a measuring cylinder. …”
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894
Energy-Dissipation Performance of Combined Low Yield Point Steel Plate Damper Based on Topology Optimization and Its Application in Structural Control
Published 2016-01-01“…In view of the disadvantages such as higher yield stress and inadequate adjustability, a combined low yield point steel plate damper involving low yield point steel plates and common steel plates is proposed. …”
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895
Calculating permissible deviations of vibration accelerations of printed circuit assemblies by simulation modeling
Published 2023-12-01“…The main methods are optical, electrical, and thermal. However, not all possible defects can be detected using these methods. …”
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896
MULTI-OBJECTIVE OPTIMIZATION OF MATERIAL DISTRIBUTION FOR FUNCTIONALLY GRADE PLATES WITH CUTOUTS BASED ON XIGA
Published 2021-01-01“…To solve the multi-objective optimization problem of functionally graded plates with cutouts,a method integrating extended isogeometric analysis( XIGA) and material distribution variation is proposed. …”
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897
Forecast of oil and gas reservoirs of the Sea of Okhotsk based on interpretation processing of seismic material
Published 2023-12-01“…Solving problems of forecasting hydrocarbon deposits through the development of a structural and technological scheme for prospecting and evaluation of a geological and geophysical model to identify images of oil and gas deposits.Materials and methods. The research methodology included selection of the location of points for simulating “vertical wells” in order to analyze the geodynamics of the medium; multiplex parametric transformations of wave fields taking into account diagnostic significant attributes and building a multiparametric cluster; selection of oil and gas deposits; formation of images of oil and gas deposits; local forecast of improved reservoir properties and saturation; refinement of the geometry of target surfaces with forecast data in actual points (vertical wells); forecast of the area of target surfaces; spatial mapping of the largest hydrocarbon deposits.Results. …”
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898
Research Progress of Compression Heat Pump Coupled with Phase Change Materials for Heat Storage
Published 2025-01-01“…It is pointed out that it is necessary to summarize and develop new methods to adjust the thermophysical properties of phase change materials for energy storage, so that make the selection and improvement of phase change materials adapt to the optimization research of thermodynamic theory of cascade heat storage device, and further improve the heating decarbonization ability of latent heat storage heat pump.…”
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Machine learning frameworks to accurately estimate the adsorption of organic materials onto resin and biochar
Published 2025-04-01“…The dataset was split into training (1225 data points), testing (262), and validation (263). Various machine learning methods were evaluated, including Linear Regression, Ridge Regression, Lasso Regression, Elastic Net, Support Vector Regression (SVR), k-Nearest Neighbors (KNN), Decision Trees, Random Forests, Gradient Boosting Machines, Artificial Neural Networks (ANNs), Convolutional Neural Networks (CNNs), Gaussian Processes, as well as ensemble algorithms such as XGBoost, LightGBM, and CatBoost. …”
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Results of a clinical trial of humeral neck osteosynthesis with carbon – carbon composite material
Published 2023-11-01“…The aim of this study is to comparative view of the treatment outcomes for patients with fractures of the proximal part of the humerus by carbon-carbon composite material plates and titanium plates. Materials and methods. …”
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