يعرض 1 - 4 نتائج من 4 نتيجة بحث عن '(( 5 ppm decrease ) OR ((((( 0 a decrease ) OR ( 5 a decrease ))) OR ( 5 _ decrease ))))~', وقت الاستعلام: 0.10s تنقيح النتائج
  1. 1

    Resistive room temperature LPG sensor based on a graphene/CdO nanocomposite حسب Goutham S.

    منشور في 2019
    "…The electrical resistance measurement at a constant bias voltage of 0.5 V. The sensor of type CdO/graphene (1 wt.%) exhibits a sensitivity of 600 ppm of LPG at 27 C. …"
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  2. 2

    Novel fluorinated surfactants for enhanced oil recovery in carbonate reservoirs حسب Al-Amodi, Adel O.

    منشور في 2016
    "…An adsorption isotherm showed that the maximum adsorption of surfactant‐A was 1 mg per g of rock. Core flooding experiments showed 42 % additional oil recovery using 2.5 g/L (2500 ppm) HPAM and 0.001 g/g (0.1 mass%) amphoteric surfactant at 90 °C.…"
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  3. 3
  4. 4

    Evaluation of the inhibition performance of piperazine-based polyurea towards mild steel corrosion: The role of keto-enol tautomerization حسب Abdulazeez, Ismail

    منشور في 2022
    "…The presence of PUCorr at 100 ppm decreases the corrosion current density from 30.3 to 3.05 μA/cm2 in 0.5 M NaCl at room temperature, exhibiting a remarkable inhibition efficiency of 94.5%. …"
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