-
121
Analysis of Vehicle–Bridge Coupling Vibration for Corrugated Steel Web Box Girder Bridges Considering Three-Dimensional Pavement Roughness
Published 2025-04-01“…As pavement conditions worsen, the impact factor shows an upward trend, with each grade of road surface deterioration resulting in an average 19.1% increase in the impact factor. …”
Get full text
Article -
122
Analysis of operation efficiency and carbon emission of quasi Class Ⅳ upgrading and reconstruction of a sewage treatment plant
Published 2024-10-01“…The effluent quality(except TN) reached the Class Ⅳ standard of the Environmental Quality Standards for Surface Water(GB 3838-2002). …”
Get full text
Article -
123
Life Cycle Assessment (LCA) of Carbon Emission of Garden Pavement
Published 2025-01-01“…Conclusions1) Enhance the durability of surface materials. The amount of average annual carbon emissions of surface materials over the life cycle of such materials is closely related to their durability. …”
Get full text
Article -
124
Experimental Study on Fire-Resistance Performance Depending on the Applied Volume of Firestop Material in Metallic and Nonmetallic Penetration Systems
Published 2025-06-01“…When the firestop-to-opening area ratio decreased from 95–91%, the maximum temperature on the unexposed surface was, on average, 15–30 °C lower, confirming that modest reductions in firestop material volume for small openings do not compromise performance. …”
Get full text
Article -
125
High-performance nanostructured SiO2 from Ethiopian pumice: synthesis and characterization
Published 2025-04-01“…BET analysis showed an average pore size of 86.63 nm along with a significant specific surface area of 571.48 m2/g. …”
Get full text
Article -
126
Development of a highly sensitive reporter gene cell line for detecting estrogenic activity (the ER Isjaki assay)
Published 2025-08-01“…The proposed changes involve the decrease of the environmental quality standards for 17β-estradiol, estrone and 17α-ethinyl estradiol in surface waters and the obligation to monitor estrogenic substances in water bodies, using effect-based methods. …”
Get full text
Article -
127
-
128
Innovative adaptation of coagulation-sedimentation-filtration process in lightly polluted urban rivers with seasonal high turbidity
Published 2025-07-01“…Results from 10 sampling events showed the average concentrations of COD (15.13–22.00 mg/L), NH3-N (1.15–11.70 mg/L), and TP (0.14–0.26 mg/L), corresponding to Class III–V of China’s environmental quality standards for surface water (EQSSW). …”
Get full text
Article -
129
Integrated Assessment and Agricultural Planning in Selenium-Rich Hilly Soils: A Case Study on Land Use, Heavy Metal Contamination, and Nutrient Element Distribution
Published 2024-10-01“…According to the GB15618-2018 standards, 127 samples (1.75%) showed medium or high chromium-associated risks. …”
Get full text
Article -
130
Trends and Variability of PM2.5 at Different Time Scales over Delhi: Long-term Analysis 2007–2021
Published 2022-08-01“…Minimum of the monthly averaged PM2.5 concentration was observed in August, while maximum is November. …”
Get full text
Article -
131
An exploratory study of the impact of CT slice thickness and inter-rater variability on anatomical accuracy of malunited distal radius models and surgical guides for corrective ost...
Published 2024-01-01“…The average inter-rater guide surface overlap was -0.11mm [95% CI: -0.13-0.09]. …”
Get full text
Article -
132
Research and Development of P22 Seamless Steel Pipe with Large Diameter and Medium Thick Wall Based on the Φ820mm Precision Skew Rolling Mill
Published 2025-08-01“…This research and development has the advantages of short process flow, low production cost, high yield, The steel pipe has precise dimensions, good surface quality, and excellent performance. Base-d on the P22 seamless steel pipe produced by Φ820mm precision inclined rolling mill ,combined with the requirement of grade 12Cr2MoG in GB/T 5310-2023 ,,the relevant indicators of P22 seamless steel pipes were analyzed through surface quality inspection, physical and chemical inspection and other methods.After testing, the produced P22 seamless steel pipe had properties as outer diameter deviation of -0.5mm-+6.2mm, ovality of 0.58%, wall thickness deviation of -8.7%-+10.3%, uneven wall thickness of 13.42%, tensile strength of 513 MPa, ,511 MPa, yield strength of 318, MPa, 311 MPa, elongation of 34.0%,33.0%, eaverage impact energy of 257J,242 J at room temperature , average hardness of 153/152 HBW, microstructure of ferrite+bainite+a small amount of pearlite, grain size of 6.0-7.0, and ductile brittle transition temperature below -40 ℃; The results indicate that the chemical composition and various properties of large diameter medium thick walled P22 seamless steel pipes produced by the Φ 820 mm precision skew rolling mill meet the requirements of ASTM A 335/A 335M-24b and other standards.…”
Get full text
Article -
133
Intelligent Casting Quality Inspection Method Integrating Anomaly Detection and Semantic Segmentation
Published 2025-04-01“…In the external detection part, we compared five different semantic segmentation models and found that MobileNetV2 performed the best in terms of average accuracy (65.8%). It was incredibly stable when dealing with surface defects with significant shape variations, and the prediction results were more consistent, making it more suitable for introduction into actual production line applications. …”
Get full text
Article -
134
Performance of seawater-derived Mg(OH)2 as a sustainable coating solution for hydrogen sulfide-induced corrosion mitigation in concrete pipes
Published 2025-02-01“…This trend was also reflected in the average post-exposure pH, compressive strength, and surface roughness, with the best performance observed in coatings composed of pure commercially available Mg(OH)₂. …”
Get full text
Article -
135
Validating the Precision and Accuracy of Coral Fragment Photogrammetry
Published 2024-11-01“…We demonstrate extremely high accuracy (R<sup>2</sup> > 0.999) in determining the surface area and volume of known objects, as well as very high precision (average CV < 0.01) in coral measurements during tests of reproducibility. …”
Get full text
Article -
136
Production of Hybrid Biodiesel from a Novel Ternary Oil Blend: Dual-Stage Process Optimization Using Desirability-Based RSM
Published 2025-07-01“…Process optimization was conducted using response surface methodology and the superposition approach, focusing on temperature, reaction time, ethanol-to-oil ratio, and catalyst concentration to maximize biodiesel yield. …”
Get full text
Article -
137
Experimental study on drag reduction-permeability increase and enhanced displacement of low-rank coal gas
Published 2025-05-01“…The results show that the liquid phase surface tension can be reduced by 50.41% with 0.05% CTAB and the average liquid phase surface tension can be reduced by 5.50 mN/m with micro-nano bubbles. …”
Get full text
Article -
138
High operative heterogeneous catalyst in biodiesel production from waste cooking oil
Published 2020-03-01“…The Fourier transform infrared spectroscopy (FTIR) analysis confirmed that the chemical structure consists of sheets of amorphous carbon with hydroxyl and carbonyl (OH and COOH) groups as well as high density of SO3H. The surface area of RS–SO3H and the average pore size were characterized by scanning electron microscopy (SEM) and surface area analyzer. …”
Get full text
Article -
139
Microplastics in the geological-ecological subsystem of the coastal part of the geoecosystem of the Georgian Shelf
Published 2025-06-01“…The results of studies on the distribution of microplastics in the surface layer of seafloor sediments in the water area adjacent to the coast of Georgia, conducted by specialists of the State Scientific Institution “MorGeoEcoCenter of the NAS of Ukraine”, are presented. …”
Get full text
Article -
140
Rapid Path Planning Algorithm for Percutaneous Rigid Needle Biopsy Based on Optical Illumination Principles
Published 2025-03-01“…This simulation generates a grayscale map on the skin surface, highlighting candidate puncture sites. Furthermore, we employ a random forest-based method to model clinician preferences. …”
Get full text
Article