يعرض 601 - 620 نتائج من 1,005 نتيجة بحث عن '(( 5 10 decrease ) OR ( 10 (((per OR peter) decrease) OR (((nn decrease) OR (mean decrease)))) ))*', وقت الاستعلام: 0.17s تنقيح النتائج
  1. 601

    Application of Fe3O4 magnetite nanoparticles grafted in silica (SiO2) for oil recovery from oil in water emulsions حسب Elmobarak W.F.

    منشور في 2021
    "…Using an MDdose as low as 10 mg/L attained a %ηdem in the range of 93%–94.3% for O/W mixtures with Coil < 2000 mg/L, which slightly decreased to ∼90% for higher concentrations. …"
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  2. 602

    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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  3. 603

    Morphology, nucleation, and isothermal crystallization kinetics of poly(butylene succinate) mixed with a polycarbonate/MWCNTs masterbatch حسب Gumede, Thandi P.

    منشور في 2018
    "…The nanocomposites contained 0.5, 1.0, 2.0, and 4.0 wt% MWCNTs. Differential scanning calorimetry (DSC), small angle X-ray scattering (SAXS) and wide angle X-ray scattering (WAXS) results indicate that the blends are partially miscible, hence they form two phases (i.e., PC-rich and PBS-rich phases). …"
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  4. 604
  5. 605
  6. 606

    INVESTIGATING THE IMPACT AND MECHANICAL PROPERTIES OF RECLAIMED RUBBER AND SAWDUST COMPOSITE حسب MATAR, MOHAMMED S. A.

    منشور في 2022
    "…Reclaimed rubber composites of different wood content were manufactured for performance evaluation. Samples of 0, 1, 5, 10, 15, and 20% weight content of sawdust were manufactured and tested to understand the effect of wood content on performance. …"
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  7. 607
  8. 608
  9. 609
  10. 610

    Development of an Air-Cooled Induction Manifold for Diesel Engines in Hot and Humid Climate حسب Elrentisy, Mohamed H.

    منشور في 2022
    "…It was found that running the diesel engine at 20 °C inlet air temperature compared with 45 °C, the average ambient air temperature during summer in Qatar could increase the in-cylinder peak pressure by 10%, and the volumetric efficiency of the engine by 8.5%. …"
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  11. 611
  12. 612
  13. 613

    Screening of Qatari Microalgae and Cyanobacteria for Application in CO2 Utilization حسب Schipper, Kira

    منشور في 2018
    "…The tolerance of the strains to increased concentrations of CO2 in the gas phase was also studied for CO2 concentrations ranging from 5% to 30% (v/v). With productivities of 53.7 ± 11.4, 162.2 ± 5.4, 333.8 ± 29.1 and 312.8 ± 12.8 mg L-1 d-1 for 5, 10, 20 and 30% CO2 respectively, Tetraselmis sp. showed that a significant productivity increase could be obtained with increased CO2 concentrations. …"
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  14. 614

    Long-Term Variability of Aerosol Concentrations and Optical Properties over the Indo-Gangetic Plain in South Asia حسب Shahid, Imran

    منشور في 2022
    "…In contrast, AOD values decreased during spring by −5%, −12%, and −5 over Islamabad, Lahore, and Delhi, respectively. …"
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  15. 615

    In patients with Chronic Heart Failure Which Polypharmacy Pheno-groups are associated with adverse health outcomes? (Polypharmacy Pheno-groups and Heart failure outcomes) حسب Mohammed Ibn-Mas'ud, Danjuma

    منشور في 2023
    "…Each patient's medications for the past four months were tallied, and a definitional threshold of ≤4, ≥5, ≥10 medications was established. The primary outcome was all-cause mortality within the study period. …"
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  16. 616
  17. 617

    Short-Term Effects of Experimental Warming and Precipitation Manipulation on Soil Microbial Biomass C and N, Community Substrate Utilization Patterns and Community Composition حسب LI, Guanlin

    منشور في 2017
    "…Decreased and increased precipitation significantly reduced microbial biomass C by 13.5% and 24.9% and microbial biomass N by 22.9% and 17.6% in unwarmed plots, respectively (P < 0.01). …"
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  18. 618

    Prospects Of Amino Acids And Ionic Liquids As Natural Gas Hydrate Inhibitors For Offshore Flow Assurance حسب Qureshi, M. Fahed Aziz

    منشور في 2018
    "…The inhibitors tend to show better hydrate inhibition effect at low pressures (40 bars) and their inhibition effect decreases as the pressure rises. At the same concentration (10 wt%), the ammonium-based ionic liquid [EA][Of] provided the inhibition effect similar to MEG and at the higher concentration (20 wt%) the amino acid glycine provided better hydrate inhibition effect than the MEG. …"
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  19. 619

    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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  20. 620