يعرض 1,221 - 1,240 نتائج من 1,780 نتيجة بحث عن '(( 10 ((per decrease) OR (((mean decrease) OR (a decrease)))) ) OR ( 1 b decrease ))*', وقت الاستعلام: 0.18s تنقيح النتائج
  1. 1221
  2. 1222
  3. 1223

    Impact of SARS-CoV-2 on Ambient Air Quality in Northwest China (NWC) حسب Zaib, Shah

    منشور في 2021
    "…The PM2.5 failed to comply in SN and XJ; PM10 failed to comply in SN, XJ, and NX with CAAQS Grade II standards (35 µg/m3, 70 µg/m3, annual mean). …"
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  4. 1224
  5. 1225
  6. 1226

    Investigation Into the Effects of Non-Linear Loading of Domestic Power Network on Home Appliances حسب Hossain, Ajad

    منشور في 2016
    "…These light sources and other house-hold appliances using power electronic converters are termed as non-linear loads and they introduce distortion in the power network by generating harmonics in the current, leading to poor power quality [1 − 4]. Power quality issues are now becoming a major concern because of several reasons: a) Increasing dependence on electrical supply and even small disruption or interruption are not bearable because it can halt the modern lifestyle, b) new modern electrical equipment are highly sensitive to the power quality and c) the power electronic components such as variable speed drives and switched mode power supplies poses new disturbance challenges to the electrical supply network [5 − 7]. …"
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  7. 1227
  8. 1228
  9. 1229
  10. 1230
  11. 1231

    Efficacy of FRCM systems in flexural strengthening of RC T-beams حسب Wakjira T.G.

    منشور في 2018
    "…Eight T-shaped RC beams with two different flexural reinforcement ratios (?s = 0.40% and ?s = 1.02%) were constructed and tested as simply supported under monotonic three-point loading. …"
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  12. 1232
  13. 1233
  14. 1234
  15. 1235
  16. 1236
  17. 1237
  18. 1238
  19. 1239
  20. 1240