يعرض 841 - 860 نتائج من 1,312 نتيجة بحث عن '(( 10 i decrease ) OR ( 100 ((ng decrease) OR (((mean decrease) OR (a decrease)))) ))', وقت الاستعلام: 0.20s تنقيح النتائج
  1. 841
  2. 842
  3. 843
  4. 844
  5. 845
  6. 846

    Using B4C nanoparticles to enhance thermal and mechanical response of aluminum حسب Ubaid, Fareeha

    منشور في 2017
    "…Mechanical characterization results revealed that hardness, elastic modulus, compression, and tensile strengths increased whereas ductility decreases with increasing B4C content. Al-1.0 vol. % B4C nanocomposite exhibited best hardness (135.56 Hv), Young's modulus (88.63 GPa), and compression/tensile strength (524.67/194.41 MPa) among the materials investigated. …"
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  7. 847

    Combined effects of oxygen, partial vacuum, temperature, humidity and gamma radiation on mating competitiveness of culex pipiens complex l. Males حسب Abdel Rahman, A. M.

    منشور في 1993
    "…When the pupal stage of Culex pipiens complex L. male mosquito was exposed to gamma radiation (60 Gy), oxygen, partial vacuum (0.1 torr), low temperature (10°C), for one or two hours, or low humidity (31% R. …"
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  8. 848
  9. 849
  10. 850
  11. 851

    The Performance of Aluminium Electrolysis in A Low Temperature Electrolyte System حسب Cui, Peng

    منشور في 2016
    "…The temperature was 750 °C for KR=1.3 and 800 °C for KR=1.5. Current efficiencies decreased with increasing content of NaF at cryolite ratios 1.3 and 1.5. …"
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  12. 852
  13. 853

    Improved properties of Al-Si3N4 nanocomposites fabricated through a microwave sintering and hot extrusion process حسب Matli, Penchal Reddy

    منشور في 2017
    "…In this study, nano-sized Si3N4 (0, 0.5, 1.0 and 1.5 vol%)/Al composites were fabricated using a powder metallurgy method involving microwave sintering technique followed by hot extrusion. …"
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  14. 854

    Nitrogen Transformations as affected by some factors at cultivated soils in Saudi Arabia حسب Al Falih, Abdullah M. [عبد الله مساعد خلف الفالح]

    منشور في 2001
    "…The influence of serial concentration of salts (0.5, 1.0 and 1.5%), application of organic matter (0.5, 1.0 and 1.5% of wheat strat) and varying soil moisture content 50, 70 and 90%) on nitrification in sandy loam soil was studied. …"
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  15. 855
  16. 856

    Improving mechanical, thermal and damping properties of niti (Nitinol) reinforced aluminum nanocomposites حسب Matli, Penchal R.

    منشور في 2020
    "…Compared to the unreinforced aluminum, hardness, ultimate compression/tensile strength and yield strength increased by 105%, 46%, 45%, and 41% while elongation and coefficient of thermal expansion (CTE) decreased by 49% and 22%, respectively. The fabricated Al-1.5 NiTi nanocomposite exhibited significantly higher damping capacity (3.23 × 10−4) and elastic modulus (78.48 ± 0.008 GPa) when compared to pure Al.…"
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  17. 857

    Synthesis and properties of HA/ZnO/CNT nanocomposite حسب Ding M.

    منشور في 2018
    "…The goal of this study was to examine the tribomechanical properties of hydroxyapatite (HA)/ZnO and HA/ZnO/CNT composite ceramics (carbon nanotubes; with different ratios 0.5 wt%, 1.0 wt%, and 1.5 wt%). The composites were synthesized using the hydrothermal method in an autoclave. …"
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  18. 858

    Enhancing thermal and mechanical response of aluminum using nanolength scale TiC ceramic reinforcement حسب Reddy M.P.

    منشور في 2018
    "…the present work, nano-sized titanium carbide (0.5, 1.0 and 1.5 vol%) reinforced aluminum (Al) metal matrix composites were synthesized by powder metallurgy incorporating microwave sintering and hot extrusion. …"
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  19. 859

    Nitrogen Transformations As Affected By Some Factors at Cultivated Soils In Saudi Arabia حسب Al Falih, Abdullah M. [عبد الله مساعد خلف الفالح]

    منشور في 2000
    "…The influence of serial concentration of salts (0.5, 1.0 and 1.5%), application of organic matter (0.5, 1.0 and 1.5% of wheat straw) and varying soil moisture content (50, 70 and 90%) on nitrification in sandy loam soil was studied. …"
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  20. 860