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    Effect of Erosion on Surface Roughness and Hydromechanical Characteristics of Abrasive-Jet Machining by Vadym Baha, Jan Pitel, Ivan Pavlenko

    Published 2024-07-01
    “…The research was purposed by the pressing need to develop an inexpensive and effective working nozzle design of the air-abrasive unit which can be applied for surface processing before some technological processes are performed, as well as for surface coating, descaling after thermal treatment, processing of hollow holes of the crankshafts, smoothing of the inner surfaces of the narrow channels between the impeller blades after electric discharge machining for ultrahigh-pressure combination compressors. …”
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  3. 183

    Testosterone pellet surface area relates to effectiveness more than dose by Charles Virden, Michelle Mays

    Published 2025-12-01
    “…The goal of the study was to evaluate the effect of pellet dose versus surface area on blood levels over 3 months in healthy men.Methods One group of men were administered small individual pellets that resulted in higher surface than the other group, but at a lower dose.Results Within 2 weeks the T levels had risen over two times the baseline level in both groups, but the cohort administered the lowest T dose (but highest surface area) had the greatest response whether calculated as peak change or when analyzed according to age-adjusted values. …”
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  4. 184

    Enhanced Photonic Spin Hall Effect Due to Surface Plasmon Resonance by Xinxing Zhou, Xiaohui Ling

    Published 2016-01-01
    Subjects: “…Photonic spin Hall effect (SHE)…”
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    Effect of longitudinal and cross feed on flatness and surface roughness in flat grinding by Hristijan Zisov, Dimitar Milkov, Atanas Cangulski, Ema Vasileska, Ognen Tuteski, Boban Kusigerski, Jasmina Caloska

    Published 2025-03-01
    “…Statistical methods, including regression analysis, are used to determine the significance of the variables and their effect on surface characteristics. The results indicate that both longitudinal and cross feed affect the roughness and flatness of the machined surfaces. …”
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  11. 191

    Effect of Photolithographic Biomimetic Surface Microstructure on Wettability and Droplet Evaporation Process by Zhihao Zhang, Yuying Yan

    Published 2024-11-01
    “…The results show that a biomimetic surface with cylindrical micro-pillars can effectively inhibit the evaporative cooling effect of the liquid–vapour interface. …”
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    Surface Multi-Hazard Effects of Underground Coal Mining in Mountainous Regions by Xuwen Tian, Xin Yao, Zhenkai Zhou, Tao Tao

    Published 2025-01-01
    “…We found that the study area experienced various types of surface hazards, including subsidence, landslides, debris flows, sinkholes, and ground fissures, due to the effects of underground mining activities. …”
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  14. 194

    Effect of Oxygen and Initiator Solubility on Admicellar Polymerization of Styrene on Silica Surfaces by Pohlee Cheah, Caitlin N. Bhikha, John H. O’Haver, Adam E. Smith

    Published 2017-01-01
    “…Admicellar polymerizations of styrene on the surface of precipitated silica initiated by either a water-soluble or a water-insoluble initiator were studied to determine the effect of dissolved oxygen and free radical initiator solubility on the kinetics, yield, and molecular weight of the polymer formed. …”
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  15. 195

    Effects of Surface Roughness on the Flow of High-Lift Low-Pressure Turbine by ZHANG Zong-chen, QIAO Wei-yang, BAI Tao

    Published 2019-04-01
    “…In order to get the effects of surface roughness on turbine profile loss in different working conditions, the flow of a frontloaded blade at different incidences and different Reynolds number was analyzed in detail by numerical simulation The results show that when the incidence i=0° and 10°, there are no obvious separation on the blade surface When i=20°, 25° and 30°, the boundary layer on blade surface are separated and the incidence is more serious When the incidence is certain, the increasing of Reynolds number on the suppression of separation bubble appears to have a role in promoting; when the Reynolds number also is certain, increase the blade surface roughness of suppression of boundary layer separation have obvious effect, and Reynolds number greater suppression required to separate the roughness value is lower When i=20° and the Reynolds number is 25000,50000,100000,150000,200000, the optimal roughness value of suppressing separation is 38mm,14mm,51mm,25mm,17mm, When i=25°, the optimal roughness value of suppressing separation is 230mm,50mm,11mm, 4mm,22mm to the same Reynolds number, When i=30° and the Reynolds number is 50000, 100000, 150000, 200000, the optimal roughness value of suppressing separation is 3200mm,800mm,120mm,29mm Finally, a modal of optimal roughness vs Reynolds number was built for suppressing separation in different incidences, and a C language program was written by the model By using the program, the optimal roughness value of suppressing boundary layer separation can be calculated directly from the certain incidence and Reynolds number.…”
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  16. 196

    The Effect of Temperature and Type of Impact Surface on Critical Drop Height of Apple by Amir H. Afkari-Sayyah, Javad Jannatkhah, Sedigheh Shekarbeigi

    Published 2018-06-01
    “…By increasing temperature of fruit tissue, the rate of bruise decreased, while the kinetic energy had the inverse effect. In addition, by increasing the hardness of impact surface the rate of bruise was increased, so that the minimum and maximum rate of bruise were related to corrugated carton (0.97%) and galvanized iron (2.26%), respectively. …”
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    The Effect of Temperature and Type of Impact Surface on Critical Drop Height of Apple by Amir H. Afkari-Sayyah, Javad Jannatkhah, Sedigheh Shekarbeigi

    Published 2018-12-01
    “…By increasing temperature of fruit tissue, the rate of bruise decreased, while the kinetic energy had the inverse effect. In addition, by increasing the hardness of impact surface the rate of bruise was increased, so that the minimum and maximum rate of bruise were related to corrugated carton (0.97%) and galvanized iron (2.26%), respectively. …”
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  19. 199

    In Vitro Evaluation of the Effectiveness and pH Variation of Dental Bleaching Gels and Their Effect on Enamel Surface Roughness by Federica Veneri, Francesco Cavani, Giovanni Bolelli, Vittorio Checchi, Alessia Bizzi, Giacomo Setti, Luigi Generali

    Published 2024-12-01
    “…The aim of this study was to compare three bleaching agents containing hydrogen peroxide (HP) and carbamide peroxide (CP) in terms of whitening effectiveness, pH variation, and changes in enamel surface roughness. …”
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