Showing 501 - 520 results of 745 for search '(( 5 i decrease ) OR ( 5 ((((point decrease) OR (fold decrease))) OR (mean decrease)) ))', query time: 0.20s Refine Results
  1. 501

    Enhanced performance of nano-sized SiC reinforced Al metal matrix nanocomposites synthesized through microwave sintering and hot extrusion techniques by Reddy, M. Penchal

    Published 2017
    “…In the present study, nano-sized SiC (0, 0.3, 0.5, 1.0 and 1.5 vol%) reinforced aluminum (Al) metal matrix composites were fabricated by microwave sintering and hot extrusion techniques. …”
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  2. 502

    An experimental study on achieving even-frosting for an air source heat pump using a novel dual-fan outdoor coil by Bai, Xiaoxia

    Published 2022
    “…The experimental results demonstrated that when using the novel dual-fan outdoor coil in Cases 3, 4 and 7, the heating/frosting duration was lengthened by 23.6%, 34.5% and 46.4%, and the averaged output heating capacity () was increased by 5.5%, 9.5% and 9.6 %, and averaged COP () by 6.7%, 10.5% and 11.1% respectively, and the defrosting frequency was decreased by 33.3% in Case 7,when compared to using the traditional single-fan outdoor coil. …”
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  3. 503

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

    Published 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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  4. 504
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  7. 507

    Dynamic Salmonella Enteritidis biofilms development under different flow conditions and their removal using nanoencapsulated thymol by Yammine, Jina

    Published 2022
    “…Enteritidis biofilms displayed 5.96, 6.28 and 6.80 log CFU cm−2 under 0.006 cm s−1, 0.045 cm s−1, and 0.087 cm s−1 flow velocities, respectively. …”
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  8. 508

    Effect of water absorption on the mechanical properties of long date palm leaf fiber reinforced epoxy composites by Mahdi, E.

    Published 2015
    “…The tensile/flexural results showed that water absorption decreased the specific ultimate strength and specific modulus by 14.8/14.5% and 40.1/17.8% respectively. …”
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  9. 509

    Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride by Radwan A.B.

    Published 2019
    “…Using only a 50 ?mol L?1 of BTC, we are able to measure an inhibition efficiency of 91, 79, and 71% in SCP solution with 3.5% NaCl at pH of 12.5, 10 and 7, respectively without showing any effect on the mechanical properties on the cured mortars. …”
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  10. 510

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

    Published 2022
    “…The optimum wood content percentage was 1-5%, resulting in properties within the acceptable range of industry standards. …”
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  11. 511

    The effect of genetic and nongenetic factors on warfarin dose variability in Qatari population. by Bader, Loulia

    Published 2020
    “…Carriers of at least one CYP2C9 decreased function allele (*2 or *3) required lower median (IQR) warfarin doses compared to noncarriers [24.5 (14.5) mg/week vs. 35 (21) mg/week, p < 0.001]. …”
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  12. 512

    Structure–activity relationship of piperine and its synthetic amide analogs for therapeutic potential to prevent experimentally induced ER stress in vitro by Hammad, Ayat S.

    Published 2017
    “…Endoplasmic reticulum (ER) is the key organelle involved in protein folding and maturation. Emerging studies implicate the role of ER stress in the development of chronic kidney disease. …”
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  13. 513

    Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar by Ahmedna, Mohamed

    Published 2016
    “…Biochars produced from mixed materials pyrolyzed at 500–750°C for 4–6 hours of pyrolysis time and used 2% application rate are best for amendment of normal soil while soft and mixed materials pyrolyzed at 300–500°C for 4 hours and used at 0.51% application rates as most suitable for the amendment of sabkha soil. …”
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  14. 514

    Enhancing effect of chia seeds on heterocyclic amine generation in meatball by Elbir, Zeynep

    Published 2023
    “…The impact of using chia seeds at different rates (0%, 0.5%, 1%, and 1.5%) in meatball on the water content, pH and lipid oxidation (thiobarbituric acid reactive substances, TBARS), cooking loss and heterocyclic aromatic amines (HAAs) content of meatballs cooked at 150, 200, and 250 °C was investigated. …”
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  15. 515

    Mn-ferrite based solar thermochemical water splitting cycle: A thermodynamic evaluation by Bhosale R.R.

    Published 2019
    “…allied with the Mn-ferrite was observed to be increased as the PO2 was decreased from 10?1 to 10?5 atm and the TH was upsurged from 1500 to 2100 K. …”
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  16. 516

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

    Published 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. 517

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

    Published 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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  18. 518
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    Clinical significance of P-class pumps in cancer (Review) by Themistocleous, Sophia C.

    Published 2021
    “…It has been shown that administration of specific P-class pumps inhibitors can have different effects by: i) Altering pump function; ii) inhibiting cell proliferation; iii) inducing apoptosis; iv) modifying metabolic pathways; and v) induce sensitivity to chemotherapy and lead to antitumor effects. …”
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  20. 520

    Recycled Waste Tires Management in Constructions by Hamid, Salma Mohamed

    Published 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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