Showing 101 - 120 results of 465 for search 'surface average standards', query time: 0.11s Refine Results
  1. 101

    In-vitro comparative thermo-chemical aging and penetration analyses of bioactive glass-based dental resin infiltrates by Syed Zubairuddin Ahmed, Abdul Samad Khan, Maram Alshehri, Fatimah Alsebaa, Fadak Almutawah, Moayad Mohammed Aljeshi, Asma Tufail Shah, Budi Aslinie Md Sabri, Sultan Akhtar, Mohamed Ibrahim Abu Hassan

    Published 2025-01-01
    “…The 45S5 group had the highest average penetration depth via micro-CT analysis. After thermocycling and chemical aging, the micro-hardness was reduced (non-significantly) among all samples except the F-BG group in post-chemical aging analysis, whereas the surface roughness was significantly increased. …”
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  2. 102

    Mechanical Characterization of Porous Bone-like Scaffolds with Complex Microstructures for Bone Regeneration by Brandon Coburn, Roozbeh Ross Salary

    Published 2025-04-01
    “…The FDM fabrication process utilized a microcapillary nozzle (heated to 240 °C) with a diameter of 400 µm and a print speed of 10 mm/s, depositing material on a heated surface maintained at 60 °C. It was observed that SimuBone had a shear modulus of 714.79 ± 11.97 MPa as well as an average yield strength of 44 ± 1.31 MPa. …”
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  3. 103

    Dry Eye Syndrome in the Practice of a Cataract Surgeon: A Clinical Case by N. V. Maychuk, M. G. Petrova, D. A. Yarkin, N. Sh. Sarhadov

    Published 2024-10-01
    “…A patient applied to YourMed and underwent a standard examination for a refractive patient, including a comprehensive assessment of the condition of the ocular surface. …”
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  4. 104

    Investigating the concentration of heavy metals and their health risk assessment in the water resources of northwestern Iran by Ali Noormohammadi, Ahamad Mokhtari, Mehdi Vosoughi, Abdollah Dargahi, Mehdi Fazlzadeh

    Published 2025-07-01
    “…Considering the percentage of metal concentrations compared to their standards, in general, the highest and lowest average concentrations of metals in underground, surface water sources and distribution networks in the whole province of Ardabil were related to arsenic and copper metals, respectively. …”
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  5. 105

    OPERATING CHARACTERISTICS OF CONCRETE MODIFIED BY HIGH-VAPOR SAPONITE-CONTAINING MATERIAL by M. V. Morozova

    Published 2018-05-01
    “…As a result the usage of additives in concrete mixture, such as the superfine saponit-containing material with an average particle size of 445 ± 40 nm and specific surface of 50670 ± 10 m2 /kg, shows that the strength and frost-resistant characteristics significantly increase with such parameters in comparison with the prototypes. …”
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  6. 106
  7. 107

    Repairing high-strength concrete two-way solid slabs exposed to elevated temperature using NSM-CFRP ropes by Ahmed Ashteyat, Mousa Shhabat, Ibrahim Al-Hazmi

    Published 2025-07-01
    “…Theoretical analysis revealed that the models by El-Gamal et al. and Ospina et al. provided close alignment with the experimental findings, with average experimental-to-theoretical ratios of 1.09 and 1.12, respectively. …”
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  8. 108

    Elevated-Temperature Tensile Behavior and Properties of Inconel 718 Fabricated by In-Envelope Additive–Subtractive Hybrid Manufacturing and Post-Process Precipitation Hardening by Sheida Sarafan, Priti Wanjara, Roger Pelletier, Sila Ece Atabay, Javad Gholipour, Josh Soost, Robert Amos, Prakash Patnaik

    Published 2024-12-01
    “…The as-built (AB) specimens had the highest average surface roughness (R<sub>a</sub>) of 5.1 μm ± 1.6 μm, which was a significant improvement (five-fold) on the hybrid (1.0 μm ± 0.2 μm) and post-machined (0.8 μm ± 0.5 μm) surfaces. …”
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  9. 109

    Characterization of Oil Well Cement–Formation Sheath Bond Strength by Musaed N. J. AlAwad, Khalid A. Fattah

    Published 2025-05-01
    “…Alternatively, for a simpler and more reliable prediction of cement–formation sheath bond strength (with an average error of less than 5%), the empirical correlation developed in this study using the standard compressive strength value of hard-set cement and the standard compressive strength value of the formation rock can be employed separately. …”
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  10. 110

    Modelling and Optimisation of Biodiesel Production from Margarine Waste Oil Using a Three-Dimensional Machine Learning Approach by Pascal Mwenge, Hilary Rutto, Tumisang Seodigeng

    Published 2024-08-01
    “…The performance metric results for the RSM, ANN, and ANFIS were 0.991, 996, and 0.998 for regression (R<sup>2</sup>); 0.924, 0.566, and 0.324 for root mean square error (RMSE); 0.568, 0.267, and 0.202 for mean absolute error (MAE); 0.746, 0.333, and 0.226 for mean absolute percentage error (MAPE); 0.008, 0.004, and 0.003 for average relative error (ARE); and 4.503, 2.114, and 1.828 for mean percentage standard deviation (MPSD). …”
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  11. 111

    Media formulation using statistical methodology to enhance α-amylase production for green synthesis of Au-NPs by Bacillus subtilis VSP4 under solid-state fermentation by Vimalkumar S. Prajapati, Vaibhavkumar N. Mehta, Swati K. Patel

    Published 2025-06-01
    “…The present work highlights α-amylase production by B. subtilis VSP4 under SSF, which was prominently enhanced by adopting a statistical experimental design, leading to the formation of Au-NPs of average size 5.17 ± 0.85 nm showing a surface plasmon resonance peak at 528 nm.…”
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  12. 112

    A Novel Adaptive Spectral Drift Correction Method for Recalibrating the MarSCoDe LIBS Data in China&#x0027;s Tianwen-1 Mars Mission by Sicong Liu, Haofeng Zeng, Hongpeng Wang, Xiaohua Tong, Hui Zhao, Kecheng Du, Jie Zhang

    Published 2023-01-01
    “…Furthermore, the resulting decrease in the standard deviation and rms error of the average drift values also proved the robustness of the proposed method.…”
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  13. 113
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  15. 115

    齿轮齿面接触应力计算中曲率系数的再商榷 by 冯守卫, 张伟社, 王守宇, 张伟中

    Published 2004-01-01
    “…Further study of the calculation basis of curvature coefficient for calculating the surface durability stress are made. The problems and calculation basis given by ISO6336 and AGMA standards are analysed. …”
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  16. 116

    Investigation of Conventional Radiation and Radionuclide at Ba-Phalaborwa Roads, South Africa by Fhulufhelo Nemangwele, Pfano Nemakonde, Thuso Mudau

    Published 2025-01-01
    “…The activity concertation ranged from 1.94−9.46 Bq/kg for Ra226, 1.78−3.63 Bq/kg for Th232 and 11.20−19.78 Bq/kg for K.40 The findings of the outdoor annual effective dosage on air did not exceed the world safe standards of 0.5 mSv/y. The average absorbed dose rate in the air at Ba-Phalaborwa is 0.038 mSv/y for six sample points. …”
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  17. 117

    Characteristics of integrated mangrove-shrimp farming systems in Ben Tre Province, Vietnam: preliminary findings for organic shrimp production certification by Huynh Van Thao, Nguyen Van Cong

    Published 2024-04-01
    “…Data collected from shrimp farming ponds and the environmental background were referred to both the Naturland and National Standards. The results showed that the average mangrove forest and shrimp pond ratio was 56.90:42.70 (%). …”
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  18. 118

    Performance of Network Real-Time Kinematic in Hydrographic Surveying by Mohamed Elsayed Elsobeiey

    Published 2025-01-01
    “…Statistical analysis of the differences between the seabed surface generated using the NRTK solution and the seabed surface generated using the Post-Processed Kinematic (PPK) technique showed an average of −0.19 cm and a standard deviation of 2.4 cm. …”
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  19. 119

    The James Webb Space Telescope Absolute Flux Calibration. IV. Near-Infrared Imager and Slitless Spectrograph Imaging by Kevin Volk, Paul Goudfrooij

    Published 2025-01-01
    “…The absolute flux calibration of the Near-infrared Imager and Slitless Spectrograph (NIRISS) imaging modes is derived using observations of photometric standards with the James Webb Space Telescope (JWST). …”
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  20. 120

    Detection and classification of Shiitake mushroom fruiting bodies based on Mamba YOLO by Kangkang Qi, Zhen Yang, Yangyang Fan, Hualu Song, Zhichao Liang, Shuai Wang, Fengyun Wang

    Published 2025-04-01
    “…The classification accuracies for various categories—mushroom stick, plane-surface immature, plane-surface mature, cracked-surface immature, cracked-surface mature, deformed mature, and deformed immature shiitake mushrooms—are 98.1%, 98.3%, 98.2%, 98.8%, 98.5%, 96.2%, and 96.9%. …”
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