يعرض 1 - 20 نتائج من 1,069 نتيجة بحث عن '(((( 59 ((a decrease) OR (_ decrease)) ) OR ( _ al decrease ))) OR ( a system decrease ))*', وقت الاستعلام: 0.21s تنقيح النتائج
  1. 1

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

    منشور في 2016
    "…The electrolyte based on the molten KF‐AlF3‐NaF system was investigated for low‐temperature aluminium electrolysis in laboratory scale. …"
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  2. 2

    Experimental investigation on the compressibility of Al/Al2O3 nanocomposites حسب Wagih, Ahmed

    منشور في 2016
    "…With up to 12 wt.% of Al2O3, microhardness increases from 62 to 150 HV due to the decrease of the crystallite size. …"
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  3. 3

    Enhancement of flocculation and dewaterability of a highly stable activated sludge using a hybrid system of organic coagulants and polyelectrolytes حسب Yousefi S.A.

    منشور في 2020
    "…This study investigates the influence of hybrid coagulation-flocculation system on the flocculation and dewaterability efficiency of a real highly stable activated sludge obtained from the membrane bioreactor tank of a petroleum industry. …"
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  4. 4

    A Reverse MultipleChoice Based mLearning System حسب Karkar, AbdelGhani

    منشور في 2018
    "…Thus, it employs the former multiple-choice questions in order to assess the learning of students. Koorsse et al. [5] proposed a mobile based system that uses two multiple-choice assessment methods. …"
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  5. 5

    Opportunities, challenges and trade-offs with decreasing avoidable food waste in the UK حسب Patel, Shivalee

    منشور في 2021
    "…Stakeholder interrelations, regulatory and socio-economic aspects are discussed in relation to their influence on decreasing avoidable food waste. The main output from this work is a diagrammatic depiction of where challenges and trade-offs occur along the food supply chain, and how policy and socio-economic reforms are needed to maximise avoidable food waste prevention, and the surplus avoidable food redistribution in the food supply chain for social benefit.…"
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  6. 6
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    Ocean Acidification and Carbonate System Geochemistry in the Arabian Gulf حسب Al-Thani, Jassem A.

    منشور في 2020
    "…One hypothesis is that the particulate Ca comes from carbonate rich atmospheric dust. Using Al as a tracer for dust and the average Ca/Al ratio in Qatari dust can only explain about 3% of the particulate Ca. …"
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  8. 8
  9. 9

    Phase, microstructure and tensile strength of Al–Al2O3–C hybrid metal matrix composites حسب Ahamad, N.

    منشور في 2020
    "…Al2O3 and carbon. Density decreases due to variation of reinforcement because ceramic reinforcement has low density. …"
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  10. 10
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    Correlation of structural and mechanical properties for Al-Al2O3-SiC hybrid metal matrix composites حسب Ahamad, Naseem

    منشور في 2021
    "…Hardness of hybrid composites increases upto 5 wt.% variation of ceramic reinforcements i.e. Al2O3-SiC after that it decreases. Impact strength of hybrid composite has been increased with an increase in weight percentage of ceramic. …"
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  13. 13
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  15. 15

    Effect of reinforcement concentration on the properties of hot extruded Al-Al2O3 composites synthesized through microwave sintering process حسب Reddya, M. Penchal

    منشور في 2017
    "…Results showed that, as the content of hard ceramic particles increases, it improves overall mechanical properties including microhardness, 0.2% yield strength, ultimate compression/tensile strength, and Young's modulus while the ductility and co-efficient of thermal expansion decreases. XRD patterns and SEM/EDS mapping images show a uniform distribution of Al2O3 particles in the Al matrix. …"
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  16. 16

    Effect of reinforcement concentration on the properties of hot extruded Al-Al2O3 composites synthesized through microwave sintering process حسب Reddy, M. Penchal

    منشور في 2017
    "…Results showed that, as the content of hard ceramic particles increases, it improves overall mechanical properties including microhardness, 0.2% yield strength, ultimate compression/tensile strength, and Young's modulus while the ductility and co-efficient of thermal expansion decreases. XRD patterns and SEM/EDS mapping images show a uniform distribution of Al2O3 particles in the Al matrix. …"
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  17. 17
  18. 18

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

    منشور في 2017
    "…The thermal expansion coefficient of the Al composite decreased with the progressive addition of hard Si3N4 nanoparticles. …"
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    Viscosity of Al2O3-water nanofluids حسب Anish, W.

    منشور في 2020
    "…The existing experimental result about the viscosity of nanofluids shows clearly that the viscosity augmented accordingly with an increase of additive concentration and decreased with the temperature rise. In this paper, different characteristics of viscosity of nanofluids are compiled and the viscosities of Al2O3-water nanofluids are estimated by Matlab approximation.…"
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