يعرض 161 - 180 نتائج من 449 نتيجة بحث عن '(( 2 steel decrease ) OR ( 50 ((((ng decrease) OR (a decrease))) OR (mean decrease)) ))', وقت الاستعلام: 0.17s تنقيح النتائج
  1. 161
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  3. 163

    Comprehensive thermoeconomic, exergoeconomic, and optimization analyses of direct oxy-combustion supercritical CO2 intercooled and reheated cycles under design and off-design condi... حسب Al-Ammari, Wahib A.

    منشور في 2022
    "…At off-design conditions with a power demand (PD) of 40% of the design load (50 MW), the thermal efficiency is decreased by 21.82% in DRC, 17.71% in ICC, 22.46% in PIC, and 13.60% in RHC. …"
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  4. 164
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  6. 166
  7. 167

    Mercury pollution in doha (Qatar) coastal environment حسب Al-Madfa, H.

    منشور في 1994
    "…1). Organic Hg (0.6 ng L?1) contributed only 5.0% of total Hg. Mercury showed a strong tendency to be associated with suspended matter in Doha coastal waters, as it represented about 73.0% of the total. …"
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  8. 168

    Thermally conductive polyethylene/expanded graphite composites as heat transfer surface: Mechanical, thermo-physical and surface behavior حسب Sobolčiak, Patrik

    منشور في 2020
    "…This enhanced surface wettability was retained over a long time with only a 9% and 18% decrease in RF and corona plasma-treated samples' surface energy after two months. …"
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  9. 169
  10. 170

    The Structure of the Free Volume in Poly(styrene-co-acrylonitrile) from Positron Lifetime and Pressure Volume Temperature (PVT) Experiments حسب Dlubek, Gunter

    منشور في 2004
    "…The mean hole volume, vh, varies in PS between 105 Å3 (27 °C) and 220 Å3 (190 °C), and shows a systematic decrease with increasing AN content, at Tg from 121 Å3 for PS to 102 (±2) Å3 for SAN50. …"
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  11. 171
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    Development of Internally Pressurized Composite/Metallic/Composite Hybrid Pipes حسب Alabtah, Fatima Ghassan

    منشور في 2021
    "…First, this research aimed to examine fiber type and fiber orientation’s effects on the interface bonding between steel and fiber-reinforced composites. To this end, fracture loads for modes I and II were experimentally determined for FRP/steel samples with different fiber types and orientations. …"
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  14. 174

    Higher egg consumption associated with increased risk of diabetes in Chinese adults - China Health and Nutrition Survey. حسب Wang, Yue

    منشور في 2020
    "…Logistic regression was used to examine the association. The mean age of the study population was 50·9 (sd 15·1) years. …"
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  15. 175
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  18. 178

    Structural and electrochemical properties of electrodeposited Ni-P nanocomposite coatings containing mixed ceramic oxide particles حسب Zadeh, K.M.

    منشور في 2016
    "…Mixed oxide ceramic particles were incorporated into Ni-P matrix to synthesize Ni-P-TiO2-CeO2 nanocomposite coatings. In the present study, the effect of concentration of mixed oxide ceramic particles (TiO2 and CeO2) on structural, surface and electrochemical properties of Ni-P coating is investigated. …"
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  19. 179

    High temperature thermal stability of innovative nanostructured thin coatings for advanced tooling حسب Cabibbo, Marcello

    منشور في 2014
    "…The main problem with steel, isthat itexhibits a relatively low hardness (below 10 GPa) which strongly decreases upon annealing above about 600 K.Thus, the majority of modern tools are nowadays coated with hard coatings that increase the hardness, decrease the coefficient of friction and protect the tools against oxidation. …"
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  20. 180

    Mechanical and microstructure characterization of hard nanostructured N-bearing thin coating حسب Cabibbo, M.

    منشور في 2015
    "…The main problem with steel, is that it exhibits a relatively low hardness (below 10GPa) which strongly decreases upon annealing above about 600K. …"
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