يعرض 761 - 780 نتائج من 833 نتيجة بحث عن '(( 0 ((0 decrease) OR (a decrease)) ) OR ( 50 ((steel decrease) OR (nn decrease)) ))', وقت الاستعلام: 0.14s تنقيح النتائج
  1. 761

    Recycled Waste Tires Management in Constructions حسب Hamid, Salma Mohamed

    منشور في 2020
    "…The LCCA results show that the rubberized concrete (RC2), obtained by replacing 5% of aggregate and mixing it with seawater, is more cost-effective than RC1, with a cost savings of 30%.LCCA data were acquired by investigating thirteen concrete mixes (a control mix; 5%, 10%, and 20% rubber aggregate substitutions mixed with freshwater; and 0%, 5%, and 10% rubber aggregate substitutions mixed with seawater). …"
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  2. 762

    Removal of copper ions from aqueous solution using NaOH-treated rice husk حسب Zafar S.

    منشور في 2020
    "…Up to 97% Cu removal was achieved in ct of 30 min using Dad of 0.3 g [Cu]i of 25 mg L?1 and T = 280 K. The ads of Cu on TRH is endothermic, spontaneous, follows Langmuir isotherms, and exhibited a PSO kinetics. …"
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  3. 763

    TOWARDS SUSTAINABLE MUNICIPAL WASTEWATER REUSE IN IRRIGATION OF FOOD CROPS BY UTILIZATION OF HYBRID MEMBRANE PROCESS AND MAGNETIC NANOPARTICLES حسب HAFIZ, MHD AMMAR NABIL

    منشور في 2023
    "…The performance of the synthesized magnetic nanoparticles as draw solute was evaluated using a bench scale forward osmosis setup. The average water flux obtained was 12.9 LMH during the first running cycle and decreased with time due to the dilution of draw solution. …"
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  4. 764
  5. 765

    Co-doped zigzag graphene nanoribbon based gas sensor for sensitive detection of H2S: DFT study حسب Salih, Ehab

    منشور في 2021
    "…Moreover, the adsorption distance (D) between H2S and Cu/Zn-ZGNR decreased remarkably to 2.23 Å and an S–Cu bond was generated. …"
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  6. 766
  7. 767
  8. 768

    Biological effects of gamma radiation on stored product insects. 4 - radiation effects on sex pheromone production and perception by the rust-red flour beetle. Tribolium castaneum... حسب Abdu, R. M.

    منشور في 1985
    "…The production of sex pheromone by virgin females decreased with the increase of radiation doses from 4 to 10 krad., and a dose of 12 krad could almost inhibit pheromone production. …"
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  9. 769
  10. 770

    Allelopathic Effects of the Invasive Prosopis juliflora (Sw.) DC. on Native Plants: Perspectives toward Agrosystems حسب Bibi, Shazia

    منشور في 2023
    "…Bunge ex Schweinf. & Asch, and P. juliflora were significantly (p ≤ 0.05) reduced by the extracts at different concentration levels. …"
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  11. 771
  12. 772

    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. …"
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  13. 773
  14. 774

    Continuous adsorptive removal of glimepiride using multi-walled carbon nanotubes in fixed-bed column. حسب Badran, ismail

    منشور في 2021
    "…The maximum adsorption capacity (q) was 275.3 mg/g, and the axial dispersion coefficients were ranged between 3.5 and 9.0 × 10 m/s. The spent adsorbent was successfully regenerated at high pH by flushing with NaOH.…"
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  15. 775
  16. 776
  17. 777

    Use and assessment of “e-plastics” as recycled aggregates in cement mortar حسب Makri, Chrysanthi

    منشور في 2019
    "…The replacement percentages (RPs) used were 2.5%, 5%, 7.5%, 10% and 12.5%, while the water to cement (w/c) ratio was maintained constant at 0.5 in all tests. The basic properties (e.g. compressive strength (CS), modulus of elasticity (MoE), density (ρ), porosity (Φ) and water absorption (WA)) of the created specimens were investigated. …"
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  18. 778

    Investigation of the rheological properties of nanosilica-reinforced polyacrylamide/polyethyleneimine gels for wellbore strengthening at high reservoir temperatures حسب Shamlooh M.

    منشور في 2019
    "…The objective of this work is to investigate the effect of nanosilica sizes (8, 20, 50, and 85 nm) and concentrations (0.1–2 wt %) on the stability and viscoelastic behavior of polyacrylamide (PAM) cross-linked with polyethyleneimine (PEI) at 130 °C. …"
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  19. 779
  20. 780

    Bromate reduction by ultraviolet light irradiation using medium pressure lamp حسب Bensalah, Nasr

    منشور في 2013
    "…The observed rate constant (kobs) decreased with increasing bromate concentrations upto 100 μg/L and then it becomes constant at 0.058 min-1 for higher bromate concentrations. …"
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