يعرض 781 - 800 نتائج من 992 نتيجة بحث عن '(( 4 c decrease ) OR ( 5 ((step decrease) OR (((mean decrease) OR (a decrease)))) ))', وقت الاستعلام: 0.24s تنقيح النتائج
  1. 781
  2. 782
  3. 783
  4. 784

    Ni-P-TiO2 Composite coatings on copper produced by sol-enhanced electroplating حسب Wang, Yuxin

    منشور في 2014
    "…The optimal mechanical properties can be achieved when the sol concentration is 12.5 mL/L. In this case, the microhardness of Ni-P-12.5 mL/L TiO2 composite coatings can reach ~710 HV while the Ni-P is ~520 HV. …"
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  5. 785
  6. 786
  7. 787

    Highly active, durable and pH-universal hybrid oxide nanocrystals for efficient oxygen evolution حسب Ahmad, Yahia H.

    منشور في 2017
    "…Herein, hybrid Ptx-NiMnO3 nanocrystals (NCs) (x = 0.1, 0.5, and 1.0 mM) were synthesized by a modified citrate-gel approach and utilized as efficient catalysts towards the oxygen evolution reaction (OER). …"
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  8. 788

    Enhancement of Ethanol Production in Electrochemical Cell by Saccharomyces cerevisiae (CDBT2) and Wickerhamomyces anomalus (CDBT7) حسب Joshi J.

    منشور في 2019
    "…Bioethanol (a renewable resource), blended with gasoline, is used as liquid transportation fuel worldwide and produced from either starch or lignocellulose. …"
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  9. 789

    Prevalence, Management, and Associated Factors of Obesity, Hypertension, and Diabetes in Tibetan Population Compared with China Overall حسب Peng, Wen

    منشور في 2022
    "…The estimate for hypertension (31.4% [27.1–35.7]) exceeded China’s average (27.5%), while diabetes (7.5% [5.2–9.8]) was lower than average (11.9%). …"
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  10. 790
  11. 791

    Effect of gamma irradiation on the microstructure and morphology of polyethylene oxide and polyvinyl alcohol blends حسب Al-Maadeed, M.

    منشور في 2010
    "…Thin films of a blend of 90, 75, 50 (wt/wt%) percentage of polyethylene oxide and polyvinyl alcohol were synthesized and irradiated with 5, 25, 50, 100 and 200 kGy. …"
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  12. 792

    Evaluation of the inhibition performance of piperazine-based polyurea towards mild steel corrosion: The role of keto-enol tautomerization حسب Abdulazeez, Ismail

    منشور في 2022
    "…The presence of PUCorr at 100 ppm decreases the corrosion current density from 30.3 to 3.05 μA/cm2 in 0.5 M NaCl at room temperature, exhibiting a remarkable inhibition efficiency of 94.5%. …"
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  13. 793

    Mechanical properties and surface characteristics of an AA6060 alloy strained in tension at cryogenic and room temperature حسب Xu, Zebing

    منشور في 2015
    "…When the temperature decreases, the yield strength, the ultimate tensile strength and ductility to fracture are drastically increased from 217.2 MPa, 252.4 MPa, 14.5% to 251.6 MPa, 335.9 Mpa, 21.5% respectively, and the average diameter of dimples decreases from ~8 µm to ~3 µm. …"
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  14. 794

    Shear Behavior of Green Concrete Beams Reinforced with Basalt FRP Bars and Stirrups. حسب Elahtem, Ayman Ahmed

    منشور في 2020
    "…The parameters investigated in this study are span to depth ratio (i.e. a/d =2.5 and 3.5), reinforcement ratio , stirrups spacing effect (i.e. 250 mm and 350 mm) and stirrups type (Steel and Basalt). …"
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  15. 795

    Effects of current generation and electrolyte pH on reverse salt flux across thin film composite membrane in osmotic microbial fuel cells حسب Qin, Mohan

    منشور في 2016
    "…It was found that electricity generation could greatly inhibit RSF, which decreased from 16.3 ± 2.8 to 3.9 ± 0.7 gMH when the total Coulomb production increased from 0 to 311 C. …"
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  16. 796

    Effect of biochars produced from solid organic municipal waste on soil quality parameters حسب Randolph, P.

    منشور في 2017
    "…Three sets of pyrolysis temperatures (350, 500, and 750 °C) and 3 sets of pyrolysis residence time (2, 4 and 6 h) were used for biochar preparation.The biochar yield was in the range of 21–62% across all feedstocks and pyrolysis conditions. …"
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  17. 797

    Fabrication and Investigation of Graphite-Flake-Composite-Based Non-Invasive Flex Multi-Functional Force, Acceleration, and Thermal Sensor حسب Fatima, Noshin

    منشور في 2023
    "…Sensor impedance was measured from DC to 200 kHz at up to 20 gf, 20 m/s2, and 26–60 °C. Sensor resistance and impedance to stretching force and acceleration at DC and 200 Hz rose 2.4- and 2.6-fold and 2.01- and 2.06-fold, respectively. …"
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  18. 798
  19. 799

    Utilizing Recycled Polypropylene Fibers as Reinforcement for Concrete Beams حسب Bendjillali, Khadra

    منشور في 2020
    "…The various fiber content ratios tested in this investigation are 0.25, 0.5 and 1%. Based on the results of this study, the presence of recycled PP fibers in concrete decreases its workability; the addition of an adequate superplasticizer to the concrete mix becomes then necessary. …"
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  20. 800

    Enhanced bioelectrochemical treatment of petroleum refinery wastewater with Labaneh whey as co-substrate حسب Mohanakrishna, Gunda

    منشور في 2020
    "…Higher LW ratios in PRW lead to the production of VFA which in turn gradually decreased the anolyte pH to below 4.5 (70:30 feed). …"
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