بدائل البحث:
ppm decrease » _ decrease (توسيع البحث)
ng decrease » _ decrease (توسيع البحث)
mg decrease » _ decrease (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
50 ng » 10 ng (توسيع البحث), 50 μg (توسيع البحث)
ppm decrease » _ decrease (توسيع البحث)
ng decrease » _ decrease (توسيع البحث)
mg decrease » _ decrease (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
50 ng » 10 ng (توسيع البحث), 50 μg (توسيع البحث)
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Effect of copper-nickel interlayer thickness on laser welding-brazing of Mg/Ti alloy
منشور في 2019"…Dissimilar lap joining of AZ31B Mg alloy to Cu-Ni coated Ti-6Al-4V was carried out by laser welding-brazing method. …"
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Novel fluorinated surfactants for enhanced oil recovery in carbonate reservoirs
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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Mercury pollution in doha (Qatar) coastal environment
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)
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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Dynamics of Neisseria gonorrhoeae transmission among female sex workers and clients: A mathematical modeling study
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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