يعرض 1 - 20 نتائج من 241 نتيجة بحث عن '(( 5 ppm decrease ) OR ( 45 _ decrease ))', وقت الاستعلام: 0.09s تنقيح النتائج
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    Development of pH-Controlled Aluminum-Based Polymeric Gel for Conformance Control in Sour Gas Reservoirs حسب Shamlooh M.

    منشور في 2020
    "…The results reveal that aluminum acetate, among the screened salts, has a controllable gelation time at pH conditions between 3.5 and 8.5 and is the most stable in the temperature range 25–100 °C. …"
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    Optimization of performance and emission characteristics of CI engine fueled with Jatropha biodiesel produced using a heterogeneous catalyst (CaO) حسب Singh, A.

    منشور في 2020
    "…The optimum performance and emission characteristics (BP, BTHE, HC and NOx) are found to be 2.258 KW, 29.05%, 6.31 ppm, and 159.5 ppm respectively. The performance of B20 fueled engine was almost comparable to that of diesel fuel. …"
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    The Separation of Emulsified Water/Oil Mixtures through Adsorption on Plasma-Treated Polyethylene Powder حسب Abdulkareem, Asma

    منشور في 2021
    "…The efficiency of the plasma-treated LDPE powder in oil removal was found to be dependent on the initial oil concentration. It decreased from 96.7% to 79.5% as the initial oil concentration increased from 75 ppm to 200 ppm. …"
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    The separation of emulsified water/oil mixtures through adsorption on plasma-treated polyethylene powder حسب Abdulkareem A.

    منشور في 2021
    "…The efficiency of the plasma-treated LDPE powder in oil removal was found to be dependent on the initial oil concentration. It decreased from 96.7% to 79.5% as the initial oil concentration increased from 75 ppm to 200 ppm. …"
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    Novel fluorinated surfactants for enhanced oil recovery in carbonate reservoirs حسب Al-Amodi, Adel O.

    منشور في 2016
    "…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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    Resistive room temperature LPG sensor based on a graphene/CdO nanocomposite حسب Goutham S.

    منشور في 2019
    "…The CdO/graphene composite was deposited as a film on interdigitated electrodes (IDEs) which then were used for chemiresistive sensing of liquid petroleum gas (LPG) by using a four probe technique. A Resistivity decreases significantly upon exposure to a LPG. The electrical resistance measurement at a constant bias voltage of 0.5 V. …"
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    The impact of COVID-19 pandemic on tobacco use: A population-based study حسب Alomari, Mahmoud A.

    منشور في 2023
    "…Among the smokers, 38.5-45.8% reported a "no-change,"while 32.1-41.7% reported a "decrease"in SH during confinement. …"
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    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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    Albumin administration in patients with decompensated liver cirrhosis: A meta-analytic update حسب Ashour, A.A.

    منشور في 2021
    "…However, studies reporting short-term albumin administration were found to have no effect on mortality (RR 0.90, 95% CI 0.56-1.45). Furthermore, there was a significant decrease in the incidence of all secondary outcomes. …"
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    Radiofrequency Ablation Versus Antiarrhythmic Drug Therapy for Atrial Fibrillation: Meta-analysis of Safety and Efficacy حسب Yi F.

    منشور في 2019
    "…Furthermore, the gap between the RFA and AAD groups in the recurrence rate of AF was found to decrease inversely to follow-up time. When the follow-up time reached 24 months, the difference between RFA and AAD was relatively stable with an odds ratio of 0.45 (95% confidence interval: 0.32-0.62). …"
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