يعرض 641 - 660 نتائج من 884 نتيجة بحث عن '(( 50 ((((peter decrease) OR (a decrease))) OR (mean decrease)) ) OR ( a we decrease ))', وقت الاستعلام: 0.20s تنقيح النتائج
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    Changes in air quality during the first-level response to the COVID-19 pandemic in Shanghai Municipality, China حسب Bai, Yang

    منشور في 2020
    "…The most frequently reported negative impact is a deterioration in urban air quality. In this study, we performed a comprehensive assessment of the effects of the city lockdown policy in response to Covid-19 on air quality in Shanghai Municipality, China, and sought to identify a balance point between human activities and improving air quality. …"
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  9. 649
  10. 650

    Do economic downturns affect air pollution? Evidence from the global financial crisis حسب Alsamara, Mouyad

    منشور في 2021
    "…This paper investigates the impact of the 2008 global financial crisis on CO2 emissions within the Environmental Kuznets Curve hypothesis framework. Using a sample of 68 countries for the period 1960 to 2014, we unveil novel findings according to which the crisis had permanent effects on CO2 emissions. …"
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  13. 653

    Allelopathic effects of the invasive Prosopis juliflora (sw.) Dc. On seed germination of selected Qatari native plant species حسب Bibi, Shazia

    منشور في 2016
    "…In order to achieve the goals, aqueous extract of P. juliflora was made by immersing 100 g/l of powdered parts of plant in warm distilled water (∼50°C) for 24 hours with regular mixing. Whatman filter paper was used to filter the obtained brownish solution. …"
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  14. 654
  15. 655

    Deep Reinforcement Learning Powered IRS-Assisted Downlink NOMA حسب Shehab, Muhammad

    منشور في 2022
    "…In this work, we examine an intelligent reflecting surface (IRS) assisted downlink non-orthogonal multiple access (NOMA) scenario intending to maximize the sum-rate of users. …"
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  16. 656

    L5 Spinal Nerve Axotomy Induces Distinct Electrophysiological Changes in Axotomized L5- and Adjacent L4-Dorsal Root Ganglion Neurons in Rats . حسب Djouhri, Laiche

    منشور في 2020
    "…Consistent with this hypothesis, we found (7 days post-SNA), in SNA rats with established pain hypersensitivity, slower AP kinetics in axotomized L5-neurons and faster AP kinetics in L4-nociceptive neurons including decreased rise time in Aδ-and Aβ-fiber nociceptors, and after-hyperpolarization duration in Aβ-fiber nociceptors. …"
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  17. 657

    Estimating the age-dependent changes in carbon stocks of Scots pine (Pinus sylvestris L.) stands in Turkey حسب Lee, Jongyeol

    منشور في 2016
    "…Although Scots pine (Pinus sylvestris L.) is a main species in Turkey, studies on such changes are still lacking. • Aims We aimed to estimate the changes in carbon stocks, with stand age, of Scots pine stands in Turkey using field work data and a forest carbon model (FBDC model). • Methods Biomass and dead organic matter carbon stocks were investigated to adjust the forest carbon model and to verify the model estimates. …"
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  18. 658
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    Frugal innovation for sustainable rural development حسب Mokter, Hossain

    منشور في 2023
    "…We developed a classification that identifies the increasing positive and decreasing negative parameters of SDGs to assess the extent to which frugal enterprises contribute to specific SDGs. …"
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  20. 660

    Electrochemical oxidation of ammonia (NH4+/NH3) ON synthesized nickel-cobalt oxide catalyst حسب Almomani F.

    منشور في 2021
    "…The reported Pgen were 0.55, 0.85, 1.1 and 0.0.93 mW/cm2 for Ni–C, Co10/Ni–C, Co20/Ni–C and Co40/Ni–C. A concentration of Co higher than 40% decreased cell potential (Vcell) and reduced the percentage removal of ammonia (%REAmm). …"
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