يعرض 921 - 940 نتائج من 1,511 نتيجة بحث عن '(( 1 10 decrease ) OR ( 5 ((((we decrease) OR (a decrease))) OR (nn decrease)) ))', وقت الاستعلام: 0.20s تنقيح النتائج
  1. 921

    Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy حسب Shawaqfah M.

    منشور في 2021
    "…The first wave of the pandemic outbreak of the novel Coronavirus (SARS-CoV-2) began in September 2019 and continued to March 2020. …"
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  2. 922
  3. 923
  4. 924
  5. 925

    Tailoring electrocatalytic properties of Pt nanoparticles grown on Ti3C2Tx MXene surface حسب Filip, Jaroslav

    منشور في 2019
    "…Composites containing 14 wt% Pt showed HER with an onset potential of −75.9 mV and a current density of −10 mA cm−2 achieved at −226 mV. …"
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  6. 926
  7. 927
  8. 928

    Silymarin-albumin nanoplex: Preparation and its potential application as an antioxidant in nervous system in vitro and in vivo حسب Sohrabi M.J.

    منشور في 2019
    "…The formulation of silymarin-HSA nanoplex showed a spherical shape with an average diameter between 50 nm and 150 nm, hydrodynamic radius of 188.3 nm, zeta potential of −26.6 mV, and a drug loading of 97.3%. …"
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  9. 929
  10. 930
  11. 931

    Ratings of perceived exertion misclassify intensities for sedentary older adults during graded cycling test: Effect of supramaximal high-intensity interval training حسب Jabbour G.

    منشور في 2018
    "…The intervention elicited physiological changes at rest and submaximal intensities, while no improvements were noted for both groups in aerobic fitness (i.e., V?O2peak). For both groups, RPE decreases with SCE at 10 min following graded test correlated significantly to V?…"
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  12. 932
  13. 933

    Effect of electroless bath composition on the mechanical, chemical, and electrochemical properties of new NiP-C 3 N 4 nanocomposite coatings حسب Fayyad E.M.

    منشور في 2019
    "…An electroless bath of 0.5 g L−1 C3N4 offered a nanocomposite coating with the highest microhardness and superior corrosion resistance. …"
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  14. 934

    Structural influence of chromium substituted magnetite ferrofluids on the optical and antibacterial characteristics حسب Babukutty, B.

    منشور في 2023
    "…As the composition of Cr increases from x = 0.2 to x = 0.8, the crystalline size decreases reaching a minimum value of 9 nm. At the same time, the magnetic moment also becomes 1.3 +- 0.08 at a saturation point of 33 +- 0.13 emu/g at the highest Cr composition. …"
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  15. 935

    Effect of the support on physicochemical properties and catalytic performance of cobalt based nano-catalysts in Fischer-Tropsch reaction حسب Ali, Sardar

    منشور في 2017
    "…Fischer-Tropsch reaction (FTS) was carried out in a fixed-bed microreactor (220 �C and 1 atm and with H2/CO = 2 v/v, SV of 12 L/g h). …"
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  16. 936
  17. 937

    Towards understanding the effects of climatic and environmental factors on solar PV performance in arid desert regions (Qatar) for various PV technologies حسب Touati F.

    منشور في 2012
    "…It was estimated that 100 days of dust accumulation over mono-crystalline PV panels, caused the efficiency to decrease by around 10%. This limitation makes solar PV an unreliable source of power for unattended or remote devices and thus strongly suggests the challenge of cleaning the panel's surface regularly or injecting technical modifications. …"
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  18. 938
  19. 939
  20. 940