يعرض 1,281 - 1,300 نتائج من 1,771 نتيجة بحث عن '(( 2 d decrease ) OR ( 10 (((((peter OR per) decrease) OR (a decrease))) OR (nn decrease)) ))', وقت الاستعلام: 0.21s تنقيح النتائج
  1. 1281
  2. 1282

    Nanocomposite Ni-TiO2 coatings produced by pulsed electroplating حسب Wang, Y.

    منشور في 2014
    "…Nanocomposite Ni-TiO2 coatings were prepared on mild steel substrate by pulse electroplating with controlled duty cycle and frequency. A systematic study of Ni-xTiO2 coatings with different TiO2 concentrations (x50-20 g L-1) has been conducted. …"
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  3. 1283
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  6. 1286

    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 results showed that air quality improved significantly During-FLR compared with Pre-FLR, with the concentrations of PM2.5, PM10, SO2, NO2, and CO all decreasing significantly. …"
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  7. 1287
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  20. 1300