يعرض 641 - 660 نتائج من 1,762 نتيجة بحث عن '(( 300 c decrease ) OR ( 10 ((steel decrease) OR (((nn decrease) OR (a decrease)))) ))*', وقت الاستعلام: 0.16s تنقيح النتائج
  1. 641
  2. 642
  3. 643

    Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles حسب Chamakh, Mariem

    منشور في 2021
    "…The samples were synthesized with different concentrations of hydrous ruthenium chloride of 2 wt%, 5 wt%, and 10 wt%, and then annealed at a temperature of 300C for 4 h to form the ruthenium oxide nanoparticles. …"
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  4. 644
  5. 645

    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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  6. 646

    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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  7. 647

    Effect of concentration of DOC loaded TiO 2 nanotubes on the corrosion behavior of smart coatings حسب Ubaid F.

    منشور في 2019
    "…Towards this direction, TiO2 nanotubes with an average size of ⁓10–15 nm (as confirmed by scanning electron microscope (SEM) and transmission electron microscope (TEM) analysis) were synthesized through a hydrothermal process and were then impregnated with DOC. …"
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  8. 648
  9. 649

    Prospects of Biocrude Production Potential from Local Diatom حسب Al-Namimi, Sara Mohammed

    منشور في 2020
    "…A marine diatom Nitzchia reversa was grown in 5 sq. m open raceway pond (10 cm culture depth, 500 L culture volume) in the Qatari desert environment. …"
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  10. 650
  11. 651

    Tribo-Mechanical, Biocompatibility, and Corrosion Properties Investigation of Zirconium and SST 304 by Application of Hydroxyapatite/Reduced Graphene Oxide/Palladium-Platinium Nano... حسب AlYafei, Huda Fadol S.

    منشور في 2020
    "…In addition, the HA/rGO/Pd-coated SST 304 and the HA/rGO/Pt-coated zirconium substrates were annealed at different temperatures (200, 300, 400, and 600 oC) to investigate their corrosion and wear behaviors. …"
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  12. 652

    Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar حسب Ahmedna, Mohamed

    منشور في 2016
    "…Four feedstocks [paper, landscape waste, wood, and a mixture of all three) were pelletized, dried, and used as precursors for the production of biochars following a 4 × 3 × 3 factor factorial design consisting of the type of precursor (four different municipal solid organic precursors), pyrolysis temperatures (300, 500, and 750°C) and residence time (2, 4, and 6 hours). …"
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  13. 653

    Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material حسب Farheen F., Jaldurgam

    منشور في 2022
    "…The compacted pellets were sintered in a microwave at 250 °C and 300 °C. Thermogravimetric analysis (TGA), and differential scanning calorimeter (DSC) analysis were performed to study the thermal stability, and nanoindentation, compression test, and microhardness tests were done for mechanical stability. …"
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  14. 654
  15. 655

    Hydrogen Production via Ethanol Decomposition over Bimetallic Catalyst حسب Ashok, Anchu

    منشور في 2016
    "…Ethanol decomposition over bimetallic CuCo were conducted using in situ diffuse reflectance infrared fourier transform spectroscopy (DRIFT) study under N2 flow at different temperatures (50, 100, 200, 300, 400°C). Temperature-time profile of CuCo shows an increase in combustion temperature with increase in fuel ratio with maximum temperature at φ = 1 (stoichiometric ratio) and after that it decreases. …"
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  16. 656

    Fatigue and Monotonic Behaviors of Corrosion-Damaged Reinforced Concrete Beams Strengthened with FRCM Composites حسب Elghazy M.

    منشور في 2018
    "…Test results showed that the corrosion of steel bars dramatically decreased the fatigue life of the beams. …"
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  17. 657

    Protein arginine methyltransferase 5 (PRMT5) promotes survival of lymphoma cells via activation of WNT/B-catenin and AKT/GSK3B proliferative signaling حسب Chung, Jihyun

    منشور في 2019
    "…We show that PRMT5 stimulates WNT/B-CATENIN signaling through direct epigenetic silencing of pathway antagonists, AXIN2 and WIF1, and indirect activation of AKT/GSK3 signaling.PRMT5 inhibition with either shRNA-mediated knockdown or a specific small molecule PRMT5 inhibitor, CMP-5, not only leads to derepression of WNT antagonists and decreased levels of active phospho-AKT (Thr-450 and Ser-473) and inactive phospho- GSK3B (Ser-9) but also results in decreased transcription of WNT/B-CATENIN target genes, CYCLIN D1, c-MYC, and SURVIVIN, and enhanced lymphoma cell death. …"
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  18. 658

    Experimental results and modelling of corrosion-damaged concrete beams strengthened with externally-bonded composites حسب Elghazy M.

    منشور في 2018
    "…The investigated parameters included the corrosion levels (10 and 20% mass loss of steel reinforcement), the type of composite (fabric-reinforced cementitious matrix (FRCM) and fiber-reinforced polymers (FRP)), and the number of composite layers (one, two, and four). …"
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  19. 659

    Structural performance and moment redistribution of basalt FRC continuous beams reinforced with basalt FRP bars حسب Abushanab, Abdelrahman

    منشور في 2021
    "…Seven beams were longitudinally reinforced with BFRP bars, while the remaining three beams were reinforced with conventional steel bars and served as a control. Test results showed that BFRC-RC beams had higher crack widths, mid-span deflections, and strains than steel-RC beams. …"
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  20. 660