يعرض 1 - 20 نتائج من 276 نتيجة بحث عن '(((( 59 ((a decrease) OR (_ decrease)) ) OR ( a steel decrease ))) OR ( _ sea decrease ))*', وقت الاستعلام: 0.18s تنقيح النتائج
  1. 1

    Corrosion inhibition of API X120 steel in a highly aggressive medium using stearamidopropyl dimethylamine حسب Radwan, A.Bahgat

    منشور في 2017
    "…The inhibition efficiency of the stearamidopropyl dimethylamine (SAPDA) surfactant for the corrosion of API X120 steel in a 0.5 M HCl solution at different temperatures was investigated using different electrochemical and microscopy techniques. …"
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  2. 2

    Understanding the Scales Formation Inhibition Mechanism on C-Steel in a Sour Media حسب Al-Qahtani, Noora

    منشور في 2019
    "…The outcome has shown that the corrosion rate of C-steel initially decreased and then stabilised with time in the CI solution that might be linked to the inhibition effect of the corrosion product layers on the iron surface. …"
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  3. 3

    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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  4. 4

    Seasonal Variations of Acoustic Properties in Ropme Sea Area حسب El Gindy, A. A. H. [احمد عبد الحميد الجندي]

    منشور في 1993
    "…Although the thermocline was clear in the shallow part of the study area in summer, the salinity increase with depth cancelled the influence of temperature decrease on sound speed and the profiles became homogeneous.…"
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  5. 5

    Harmful Effects Of Sea Water Administration On Kidney Structure And Function حسب El Gohary, Z. M. A. [زينب محمود احمد الجوهري]

    منشور في 1992
    "…Hematocrit. plasma osmolality, sodium, potassium, urea and creatinine increased 24 hours and one week following the final infusion of sea water respectively. On the other hand, plasma calcium and magnesium decreased. …"
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  6. 6

    Investigation of the temperature-relatedwear performance of hard nanostructured coatings deposited on a s600 high speed steel حسب Santecchia E.

    منشور في 2019
    "…The aim of this work was to evaluate the tribological performance of two commercially available thin hard coatings deposited by physical vapor deposition (PVD) on a high speed tool steel (S600) under extreme working conditions. …"
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  7. 7

    The maxima in northerly wind speeds and wave heights over the Arabian Sea, the Arabian/Persian Gulf and the Red Sea derived from 40 years of ERA5 data حسب Aboobacker, V.M.

    منشور في 2020
    "…The northern Arabian Sea including the Sea of Oman exhibits significant decreasing trend in northerly maximum wind speed (− 1.4 cm/s/year) and Hs (− 0.67 cm/year), while the Gulf and the Red Sea exhibit sectorial contrasting trend, indicating the dominance of localized effects in modifying the regional climate. …"
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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
    "…Corrosion Inhibition of mild steel in 5 M Hydrochloric acid solution at different temperatures was investigated using a new green corrosion inhibitor (lauramidopropylamine oxide). …"
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  10. 10

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

    منشور في 2016
    "…500 mV (vs SCE), together with the intensities of the Fe and FeCO3 signals from the in-situ synchrotron XRD [1]. There is a clear peak in the current transient, with the XRD results showing FeCO3 formation during the increasing portion of this transient and then a rapidly decreasing rate of FeCO3 formation as the anodic current decreases towards the end of the test, indicating the growth of a protective surface scale. …"
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  11. 11

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

    منشور في 2020
    "…The effect of film composition, morphology, structure, thickness, and ion- concentration of corrosion product films formed on pipeline Carbon Steel in an acid sour solution were examined. The electrochemical behavior of the filmed steel was measured, and the film properties assessed using a range of advanced techniques including Scanning Electron Microscopy (SEM), and Raman spectroscopy (RS). …"
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  12. 12

    Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride حسب Radwan A.B.

    منشور في 2019
    "…In conclusion, this new inhibitor shows high corrosion inhibition efficiencies under different aggressive conditions and can be used in concrete to reduce the corrosion rate of reinforcing steel without decreasing the mechanical properties of the concrete. - 2019, The Author(s).…"
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  13. 13

    Caprylamidopropyl Betaine as a Highly Efficient eco-friendly Corrosion Inhibitor for API X120 Steel in 1 M H2SO4 حسب Foudaa, Abd El Aziz S.

    منشور في 2020
    "…CORROSION inhibition of API X120 steel in a 1M sulfuric acid solution at altered temperatures was investigated utilizing a new eco-friendly surfactant (Caprylamidopropyl Betaine (CAPB)) by Gravimetric and electrochemical test (containing potentiodynamic polarization (PP), electrochemical impedance spectroscopy (EIS). …"
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  14. 14

    Effect of octylphenol polyethylene oxide on the corrosion inhibition of steel in 0.5 M H2SO4 حسب Algaber, A.S

    منشور في 2004
    "…A non-ionic surfactant, octylphenol polyethylene oxide (OPPEO), was evaluated as an inhibitor for corrosion of low-carbon steel in 0.5M H 2SO4. …"
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  15. 15

    The Formation of Sulfide Scales on Carbon Steel in Saturated H2S حسب Alqahtani, Noora

    منشور في 2020
    "…The effect of film composition, morphology, structure, thickness, and ion- concentration of corrosion product films formed on pipeline Carbon Steel in an acid sour solution were examined. The electrochemical behavior of the filmed steel was measured, and the film properties assessed using a range of advanced techniques including Scanning Electron Microscopy (SEM), and Raman spectroscopy (RS). …"
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  16. 16

    Electrochemical behavior of mild and corrosion resistant concrete reinforcing steels حسب Sohail, Muazzam G.

    منشور في 2020
    "…Extensive analysis of the results indicates that the corrosion resistance of the evaluated steels was in the following decreasing order: EC, HC, MS, and HS.…"
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  17. 17

    Understanding the False Positive of Modified Martensitic Steels in Sweet & Sour Service Conditions Using a Point Defect Model Perspective حسب Martinez, Alan

    منشور في 2023
    "…Modified 13Cr martensitic stainless steels (UNS S41426) are a class of materials used for operations involving natural gas production in sweet and moderately sour service conditions. …"
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