يعرض 1 - 20 نتائج من 471 نتيجة بحث عن '(((( _ steel decrease ) OR ( 12 steel decrease ))) OR ( 50 ((a decrease) OR (_ decrease)) ))*', وقت الاستعلام: 0.18s تنقيح النتائج
  1. 1

    Quality improvement can decrease blood delivery turnaround time: Evidence from a single tertiary-care academic medical center حسب Hammad Y.A.

    منشور في 2018
    "…The transport time significantly decreased from an initial majority of > 15 mins duration, to a majority of < 15 mins transport time after the second audit; there was a 50% improvement in 30 mins response time; and the percentage of requests processed in < 10 mins were significantly higher after the second audit. …"
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    Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride حسب Radwan A.B.

    منشور في 2019
    "…Using only a 50 ?mol L?1 of BTC, we are able to measure an inhibition efficiency of 91, 79, and 71% in SCP solution with 3.5% NaCl at pH of 12.5, 10 and 7, respectively without showing any effect on the mechanical properties on the cured mortars. …"
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  5. 5

    Mechanical characteristics of ultra-high performance steel FRC made with recycled concrete aggregates حسب Alnahhal, W.

    منشور في 2023
    "…However, the flowability was decreased by 12% to 15% with steel fibers. The results also revealed that at a steel fiber volume fraction of 0%, RCA had little influence on the compressive strength, while they noticeably influenced the flexural tensile strength. …"
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  6. 6

    Simulation and experimental study of underwater dissimilar friction-stir welding between aluminium and steel حسب Eyvazian, Arameh

    منشور في 2020
    "…The average grainsize in the aluminum and steel sides of SZ is refined down to ?4 and 12-m, respectively. …"
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  7. 7

    Mechanical Properties of Concrete Made with Electric Wires, Steel Fibers, Basalt Fibers and Polypropylene Fibers حسب Murad, Yasmin Zuhair

    منشور في 2020
    "…An experimental program is conducted in this research to investigate the mechanical properties of concrete made with electric wires, steel fibers, basalt fibers, and polypropylene fibers. …"
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    Corrosion inhibition of Mild Steel at Elevated temperature in highly Acidic Brines using a green corrosion inhibitor حسب Elhaddad, Muhsen A.M.

    منشور في 2017
    "…Analyses of surface topography of the mild steel revealed an appreciable decrease in the surface roughness when the inhibitor was used compared to the uninhibited acidic solution. …"
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    Electrochemical and thermodynamic study on the corrosion performance of API X120 steel in 3.5% NaCl solution حسب Shahzad, Khuram

    منشور في 2020
    "…The overall results revealed that PEI significantly decreases the corrosion rate of API X120 steel with inhibition efficiency of 94% at a concentration of 100 μmol L−1. …"
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  12. 12

    Local supersaturation and the growth of protective scales during CO2 corrosion of steel: Effect of pH and solution flow حسب Sk, Mobbassar Hassan

    منشور في 2017
    "…We show that siderite is the first crystalline product and that chukanovite follows, with a delay time that decreases with increasing pH. The ratio of chukanovite to siderite is low at sufficiently high pH and increases with decreasing pH, possibly through a maximum. …"
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    An efficient green ionic liquid for the corrosion inhibition of reinforcement steel in neutral and alkaline highly saline simulated concrete pore solutions حسب Sliem, Mostafa H.

    منشور في 2020
    "…The effect of the green ionic liquid compound, Quaternium-32 (Q-32), on the corrosion inhibition performance of reinforcement steel, in a simulated concrete pore solution, was investigated at different temperatures and pH values, using electrochemical impedance spectroscopy (EIS). …"
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  14. 14

    An Eco-Friendly Quaternary Ammonium Salt as a Corrosion Inhibitor for Carbon Steel in 5 M HCl Solution: Theoretical and Experimental Investigation حسب Jalab, Rem

    منشور في 2022
    "…The overall results revealed that adding varied concentrations of Q-22 significantly decreases the corrosion rate of C-steel. The results revealed the physisorption nature of Q-22 onto the C-steel surface, with adsorption following the Freundlich isotherm (∆Hads = −16.40 kJ·mol−1). …"
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    Understanding the Scales Formation Inhibition Mechanism on C-Steel in a Sour Media حسب Al-Qahtani, Noora

    منشور في 2019
    "…A series of experiments were conducted at ambient (RT), 50 oC and at 80 oC using different combinations of inhibitors (A and B). …"
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    Corrosion behavior of API X100 steel material in a hydrogen sulfide environment حسب Okonkwo, Paul C.

    منشور في 2017
    "…The results indicate that the corrosion rate of API X100 steel decreases with increasing H2S bubbling time due to the increase in H2S concentration in 3.5% NaCl solutions. …"
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    Biocorrosion behavior of biodegradable nanocomposite fibers coated layer-by-layer on AM50 magnesium implant حسب Abdal-hay, Abdalla

    منشور في 2016
    "…The results showed that the AJS 3D membrane fiber layers, particularly the hybrid membrane layers containing a small amount of nHA (3wt.%), induce a higher biocorrosion resistance and effectively decrease the initial degradation rate compared with the neat AM50 coupon samples. …"
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  18. 18

    The mitochondrial-related effect of the 905 nm photobiomodulation therapy on 50B11 sensory neurons حسب Zupin, Luisa

    منشور في 2023
    "…In this study, a possible molecular mechanism of the 905 nm PBMT (0.25 W/cm2; 3, 6, 12, and 18 J/cm2, 5 Hz) analgesic effect was tested on 50B11 cells, by investigating its impact on mitochondria. …"
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  19. 19

    Usefulness of In-Situ Synchrotron Study on Scale Formation during CO2 Corrosion of Mild Steel: A Review حسب Sk, Mobbassar Hassan

    منشور في 2016
    "…This work shades light on how in-situ synchrotron study revealed apparent mysteries related to formation & growth of siderite scale during CO2- corrosion of mild steel. Keywords: In-situ synchrotron, CO2-Corrosion of mild steel, Nucleation mechanism during CO2- corrosion. …"
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  20. 20

    The Formation of Sulfide Scales on Carbon Steel in Saturated H2S حسب Al-Qahtani, Noora

    منشور في 2020
    "…There are three contributing elements of corrosion of Carbon Steel in H2S environment: the effect of H2S on water chemistry; electrochemical reactions of the bare iron surface (both anodic and cathodic processes); and the formation and growth of corrosion product layers. …"
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