يعرض 361 - 380 نتائج من 523 نتيجة بحث عن '(( 20 ((mean decrease) OR (a decrease)) ) OR ( 5 (((meer OR meter) decrease) OR (nn decrease)) ))', وقت الاستعلام: 0.21s تنقيح النتائج
  1. 361

    Cyclic voltammetry and XPS studies of poly (aniline-co-3-aminophenol) حسب Waware, Umesh Somaji

    منشور في 2022
    "…In the electrochemical study, the copolymers differ from PA in the single-electron oxidation and reduction, reversibly at various scan rates ranging from 20 to 50 mV. The current density decreases from PA-co-3-AP20 to PA-co-3-AP80 by increasing the loading weight percentage of 3-aminophenol in the polymeric backbone. …"
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  2. 362

    Experimental investigations on spray flames and emissions analysis of diesel and diesel/biodiesel blends for combustion in oxy-fuel burner حسب ElKelawy M.

    منشور في 2019
    "…Present research work shows the emissions and flame analysis of oxy-fuel combustion of diesel and diesel/biodiesel blends in the experimental test burner manufactured in Mechanical power engineering laboratory at Tanta University, Egypt. Diesel and a mixture of diesel and biodiesel (B0, B10, B20, B30, and B40) used as a fuel with the effect of pure air and oxy-combustion. …"
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  3. 363
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  7. 367

    Performance of sustainable concrete incorporating treated domestic wastewater, RCA, and fly ash حسب Abushanab, Abdelrahman

    منشور في 2022
    "…This study evaluates the impact of using treated wastewater (TWW), recycled concrete aggregates (RCA), and fly ash (FA) on the mechanical, durability, and microstructural properties of concrete. A total of eight concrete mixes were manufactured and tested. …"
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  8. 368

    The influence of oxygen, partial vacuum, temperature, relative humidity combined with gamma radiation on the mosquito, Culex pipiens complex l. I. Effect of exposure to temperature... حسب Hafez, Mahmood [محمود حافظ]

    منشور في 1993
    "…The results revealed that a temperature of 10°C was the most effective temperature on pupal mortality of Culex pipiens complex L. followed by 32°C then 20 and 26°C. …"
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  9. 369

    Combined influence of temperature and flow rate of feeds on the performance of forward osmosis حسب Hawari, Alaa H.

    منشور في 2016
    "…It was also found that when increasing the draw solution (DS) temperature from 20 °C to 26 °C the flux increased linearly and then started decreasing when temperature increased over 26 °C due to the development of a temperature gradient. …"
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  10. 370
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    Iron Sulfide Scale Inhibition in Carbonate Reservoirs حسب Gasimli, Nijat

    منشور في 2022
    "…Moreover, the presence of the salts (CaCl2 and MgCl2) considerably decreased the adsorption of 10 wt % EDTA to 56% (CaCl2) and 52% (MgCl2) and caused nearly 20% more permeability reduction, while more inhibitor soaking time resulted in comparably higher adsorption and lesser permeability diminution. …"
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  12. 372
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  17. 377

    Flexural behavior of reinforced concrete beams prepared with treated Wastewater, recycled concrete Aggregates, and fly ash حسب Abushanab, Abdelrahman

    منشور في 2022
    "…The test parameters include mixing water type (fresh water and TWW), coarse aggregate type (natural gabbro and RCA), and FA content (0% and 20%). The results suggested that the use of TWW, RCA, and FA had no significant effect on the beams' cracking patterns and reinforcement strain at yielding, whereas TWW and RCA decreased the beams' ductility by 8.7% and 15.9%, respectively. …"
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  18. 378

    The Separation of Emulsified Water/Oil Mixtures through Adsorption on Plasma-Treated Polyethylene Powder حسب Abdulkareem, Asma

    منشور في 2021
    "…The droplet size was directly proportional to sonication time and ranged from 135 nm to 185 nm. A sonication time of 20 min was found to be sufficient to prepare stable emulsions with an average droplet size of approximately 150 nm. …"
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  19. 379

    Finite element study of functionally graded porous femoral stems incorporating body-centered cubic structure حسب Alkhatib, Sami E.

    منشور في 2019
    "…The highest micromotions (105‐147 µm) were observed for stems of 80% overall porosity, and the lowest (42‐46 µm) was for stems of 20% overall porosity. Finally, FGP stems with a grading exponent of n = 10 resulted in an 11%‐28% reduction in micromotions.…"
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  20. 380

    Effect of binary mixture of waste plastics on the thermal behavior of pyrolysis process حسب Pek, Wee Kiat

    منشور في 2015
    "…Overall, the activation energy of the pyrolysis reaction is decreased by 55% at the range of 20-80 wt % of binary mixture composition.…"
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