بدائل البحث:
ngn decrease » _ decrease (توسيع البحث)
re decrease » _ decrease (توسيع البحث)
ng decrease » _ decrease (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
ngn decrease » _ decrease (توسيع البحث)
re decrease » _ decrease (توسيع البحث)
ng decrease » _ decrease (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
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Tests of a diamond field-assisted positron moderator
منشور في 2002"…A potential difference of up to 300 V could be held across the film with a leakage current of ∼ 10 nA. Although positron re-emission was observed from the diamond surface, the re-emitted fraction was observed to decrease when a bias of 300 V was applied across the film. …"
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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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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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Application of magnetic nanoparticles for the removal of oil from oil-in-water emulsion: Regeneration/reuse of spent particles
منشور في 2021"…Stability and re-usability tests of the as-synthetized Fe-MNP exhibited an effective oil recovery of up to 90% after 7 cycles. …"
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Effect of Magnetic Baffles and Magnetic Nanofluid on Thermo-Hydraulic Characteristics of Dimple Mini Channel for Thermal Energy Applications
منشور في 2022"…In addition, there is a decrease in the pressure drop of 10.82%, 16.778%, and 26.75% when magnetic fields of 1200 G, 1500 G, and 2000 G, respectively, are applied at x = 15 mm, as compared to flow without magnetic field when the pitch = 10 mm. …"
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Utilization of Emergency Services by Children with Asthma in Qatar
منشور في 2022"…Around 60% were boys aged 2 to 13 years, with the peak of utilization in October and November (Figure 1) and during the day between 2:00 PM to 10:00 PM. The majority were seen in less than 30 mins (93%) and stayed in the PEC for 2 hours or less (84%) (Figure 2). …"
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