يعرض 541 - 560 نتائج من 975 نتيجة بحث عن '(( 5 10 decrease ) OR ( 10 (((peer OR peter) decrease) OR (((nn decrease) OR (mean decrease)))) ))*', وقت الاستعلام: 0.18s تنقيح النتائج
  1. 541

    Cobalt phthalocyanine as a novel molecular recognition reagent for batch and flow injection potentiometric and spectrophotometric determination of anionic surfactants حسب El-Nemma, Eman M.

    منشور في 2008
    "…Under hydrodynamic mode of operation (FIA), the slope of the calibration plot, limit of detection, and working linear range are −51.1 mV decade−1, 5.6 × 10−7 and 1.0 × 10−3 to 1.0 × 10−6 mol L−1, respectively. …"
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  2. 542

    Environmental Factors Affecting the Growth and Enzymatic Activity of Ceratocystis Radicicolathe Causal Agent of Black Scorch Disease on Date Palm حسب Al-Naemi, Fatima

    منشور في 2016
    "…To optimize the fungus growth, pH media was adjusted at different levels (5.5, 6, 6.5, 7, 7.5 and 8). In addition, standard Czapek broth media was used as a control. …"
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  3. 543

    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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  4. 544

    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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  5. 545

    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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  6. 546
  7. 547
  8. 548

    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
    "…To achieve the latter, durable and sustainable alternatives for municipal solid waste management are needed, especially since Qatar tops most nations in terms of per capita solid waste generation with nearly 2.5 million tons/year of which 60% consists of organic waste. …"
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  9. 549

    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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  10. 550
  11. 551
  12. 552
  13. 553

    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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  14. 554
  15. 555
  16. 556

    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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  17. 557

    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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  18. 558

    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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  19. 559
  20. 560

    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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