يعرض 1 - 20 نتائج من 112 نتيجة بحث عن '(((( 50 ppm decrease ) OR ((( 50 ng decrease ) OR ( 10 nm decrease ))))) OR ( 5 ppm decrease ))', وقت الاستعلام: 0.19s تنقيح النتائج
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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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    Development of pH-Controlled Aluminum-Based Polymeric Gel for Conformance Control in Sour Gas Reservoirs حسب Shamlooh M.

    منشور في 2020
    "…Moreover, the system showed good stability in saline conditions with NaCl concentration of up to 50,000 ppm. Scanning electron microscopy of freeze-dried samples proved the uniform distribution of colloidal crosslinkers and showed sheets wrapping around the colloidal particles. …"
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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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    Study of diesel-biodiesel blends combustion and emission characteristics in a CI engine by adding nanoparticles of Mn (II) supramolecular complex حسب Elkelawy, M.

    منشور في 2020
    "…X-ray diffraction of one crystal, a spectroscopy technique and transmission electron microscopy (TEM) have been entirely examined for the structure formation of SC1. Adding 50, 100, and 150 ppm of SC1 with hydrogen peroxide (H2O2) is used to prepare the nanofluids emulsions. …"
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    Mercury pollution in doha (Qatar) coastal environment حسب Al-Madfa, H.

    منشور في 1994
    "…1). Organic Hg (0.6 ng L?1) contributed only 5.0% of total Hg. Mercury showed a strong tendency to be associated with suspended matter in Doha coastal waters, as it represented about 73.0% of the total. …"
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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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    Enhancing the Remediation Capacity of Mercury Ions from Fluorescent Lamp Using Roasted Date Pits and Its Modified Forms حسب Al-Ghouti, Mohammad A.

    منشور في 2016
    "…Moreover, at pH 8 and pH 10, the adsorption decreased with an average Hg concentration of 3.5 and 8.01 ppm, respectively. …"
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    Dynamics of Neisseria gonorrhoeae transmission among female sex workers and clients: A mathematical modeling study حسب Houssein H., Ayoub

    منشور في 2024
    "…Increasing condom use from 10 % to 50 % lowers NG prevalence among FSWs, clients, and their spouses from 12.2 % to 6.4 %, 1.2 % to 0.5 %, and 0.4 % to 0.2 %, respectively. …"
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    article
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    The spectral and morphological studies of the conductive polyaniline thin film derivatives by the in situ copolymerization حسب Waware, Umesh S.

    منشور في 2017
    "…The particle size varies in the range of 5–10,000 nm for polyaniline while in case of copolymer it lies in a narrow range of 100–150.…"
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    Mechanism and kinetics of electrochemical degradation of uric acid using conductive-diamond anodes حسب Dbira, Sondos

    منشور في 2016
    "…Interestingly, an almost total mineralization of 50ppm UA was obtained when anodic oxidation was performed at low current densities (20 mA cm–2) and in the presence of NaCl. …"
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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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    Experimental investigation on the compressibility of Al/Al2O3 nanocomposites حسب Wagih, Ahmed

    منشور في 2016
    "…The results showed that the grain size of milled powders was about 43 nm with a noticeable presence of agglomerates at 10 wt.% of Al2O3. …"
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    Curcumin a Colorimetric and Fluorimetric Cyanide Probe in Aqueous System and Living Cells حسب Hijji, Yousef

    منشور في 2019
    "…Cyanide causes a dramatic color change of the curcumin solution (acetonitrile : water 90 : 10) from bright yellow to dark orange. It causes dramatic spectral changes in the UV-vis spectrum of curcumin by the decrease in the absorption band intensity at 421 nm and a concomitant appearance of a strong band at 520 nm. …"
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    Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles حسب Chamakh, Mariem

    منشور في 2021
    "…Scanning electron microscopy (SEM) demonstrated the successful fabrication of nanofibers with diameter range of 140-240 nm as well as nanoparticles with average sizes within the range of 6 nm and 9 nm. …"
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