بدائل البحث:
nn decrease » _ decrease (توسيع البحث)
c decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
2 c » 12 c (توسيع البحث), 22 c (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
c decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
2 c » 12 c (توسيع البحث), 22 c (توسيع البحث)
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261
Experimental results and modelling of corrosion-damaged concrete beams strengthened with externally-bonded composites
منشور في 2018"…The investigated parameters included the corrosion levels (10 and 20% mass loss of steel reinforcement), the type of composite (fabric-reinforced cementitious matrix (FRCM) and fiber-reinforced polymers (FRP)), and the number of composite layers (one, two, and four). …"
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262
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263
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264
Synthesizing New Anodes From Qatalum's 1st Cut Spl
منشور في 2014"…The idea is to mix the extracted graphitic material with new binder materials e.g. o-phenylenediamine (C6H4(NH2)2), polyaniline or phosphorous (also a mixture of two or all of them) to increase the thermal and chemical stability and electrical conductivity of these new anodes compared to the currently used anodes in Qatalum (Qatalum uses 70% petroleum coke + 30% Coal Tar Pitch (CTP) as a binder). …"
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265
Improvement of ternary recycled polymer blend reinforced with date palm fibre
منشور في 2014"…Maleic anhydride (MA) was used as the compatabilizer (1 and 2wt%) and the effect of compatabilizer on the blend matrix composites was studied. …"
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266
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267
Structural performance and moment redistribution of basalt FRC continuous beams reinforced with basalt FRP bars
منشور في 2021"…Seven beams were longitudinally reinforced with BFRP bars, while the remaining three beams were reinforced with conventional steel bars and served as a control. Test results showed that BFRC-RC beams had higher crack widths, mid-span deflections, and strains than steel-RC beams. …"
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268
Analysis of dopant diffusion in molten germanium induced by pulsed nd : yag laser
منشور في 1995"…A monotonic decrease in the sheet rcsostance with increasing energy density for all values of E > 10 J/cm2. …"
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269
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270
Influence of nitrogen doping on the electrocatalytic activity of Ni-incorporated carbon nanofibers toward urea oxidation
منشور في 2017"…Typically, the observed current densities using 1.0 M urea (in 1 M KOH) were 3.15, 29.7, 13.75, 47.55, 14.13 and 9.85 mA/cm2 for the nanofibers obtained from electrospun solutions having 0, 1, 2, 5, 7 and 9 wt% urea, respectively. …"
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271
Evacuated tube heat pipe solar collector for Encontech engine-driven reverse osmosis solar desalination
منشور في 2020"…The maximum energetic efficiency of 52.5% is obtained for h vacuum (1 W/m2 K). Obtained results further demonstrate that the energetic and exergetic performances of the ETHPSC are higher at T i = 50°C. …"
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272
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273
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274
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275
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276
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277
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278
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279
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280
Mobile Epifauna Associated To Artificial Substrates In Offshore Qatari Waters
منشور في 2019"…Thirty plates were deployed, at depths between 10 and 44 m, in each of six offshore sites, along a transect defined between natural and artificial reefs (i.e., oil platforms). …"
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