Showing 1 - 20 results of 123 for search '(( 5 ppm decrease ) OR ((( 50 ng decrease ) OR ((( 10 ng decrease ) OR ( 10 nm decrease ))))))', query time: 0.17s Refine Results
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    Mercury pollution in doha (Qatar) coastal environment by Al-Madfa, H.

    Published 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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    Dynamics of Neisseria gonorrhoeae transmission among female sex workers and clients: A mathematical modeling study by Houssein H., Ayoub

    Published 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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    The Separation of Emulsified Water/Oil Mixtures through Adsorption on Plasma-Treated Polyethylene Powder by Abdulkareem, Asma

    Published 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 by Abdulkareem A.

    Published 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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    Optimization of performance and emission characteristics of CI engine fueled with Jatropha biodiesel produced using a heterogeneous catalyst (CaO) by Singh, A.

    Published 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 spectral and morphological studies of the conductive polyaniline thin film derivatives by the in situ copolymerization by Waware, Umesh S.

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

    Published 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 by Wagih, Ahmed

    Published 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 by Hijji, Yousef

    Published 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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