Showing 281 - 300 results of 600 for search '(( 25 a decrease ) OR ( 5 ((((nn decrease) OR (greater decrease))) OR (mean decrease)) ))', query time: 0.18s Refine Results
  1. 281

    Pilot-scale petroleum refinery wastewaters treatment systems: performance and microbial communities' analysis by Karray, Fatma

    Published 2020
    “…The reduction of the COD, BOD5, phenols, and the total petroleum hydrocarbon (TPH) reached 82.10%, 85.87%, 91.63%, and 81.11%, respectively at high hydraulic residence time (HRT = 10 days). Decreasing HRT to 5 and 2.5 days led to a decrease in the efficiency of the process and a decrease in biomass concentration was also observed (<1000 mg/l). …”
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  2. 282
  3. 283

    Use Of Cement By-Pass Dust In Soil Stabilization by Taha, Ramzi

    Published 2001
    “…Oman Cement Company generates about 25,000 to 30,000 tons of CBPD every year. Some CBPD is used as a filler for road asphalting. …”
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    Physico-mechanical Properties of Sustainable Building Material Based Gypsum and Recycled Polyethylene Waste by Amina, Djoudi

    Published 2023
    “…Results proved the positive effect of the introducing of PET particles in the matrix of gypsum mortar, the lightening of this material but a decrease of mechanical properties was recorded comparing in to reference without polyethylene particles. …”
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  9. 289

    Mechanical Performance and Thermo-Physical Properties of Cement Mortar Incorporating Hybrid Slags by Baawain, Mahad

    Published 2020
    “…Ferrochrome (FeCr) slag aggregate was used as a replacement for sand at the ratios of 25, 50, 75 and 100 wt. %. …”
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  10. 290

    Investigation of optimal charging locations for electric vehicles in Istanbul by Atilgan, B.

    Published 2017
    “…Electric vehicles have a great potential to decrease the adverse effects of transportation, especially in metropolitan cities. …”
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  11. 291

    Investigation of Spatiotemporal Variability of Microplastics in Qatar's Cstal Environment by Ben-Hamadou, Radhouane

    Published 2016
    “…There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. …”
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    Multi-component MWCNT/NG/EP-based bipolar plates with enhanced mechanical and electrical characteristics fabricated by compression moulding by Akhtar M.N.

    Published 2018
    “…The highest shore hardness (69.7 HD) was recorded at a temperature of 25 ?C, while the lowest shore hardness (31.3 HD) was recorded at 200 ?…”
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  15. 295

    Mechanical properties of gamma irradiated TiO2NPs/MWCNTs/LDPE hybrid nanocomposites by Zagho M.M.

    Published 2020
    “…Furthermore, the % of the total elongation at break is decreased after incorporating MWCNTs. The % of the total elongation at break after exposure to a dosage of 25 kGy was reduced as a result of chain scissions and molecular weight decrease. …”
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    High-Rate Anaerobic Digestion of Waste Activated Sludge by Integration of Electro-Fenton Process by Feki, Emna

    Published 2020
    “…Production of biogas was also found to improve during semi-continuous fermentation of EF-pretreated sludge conducted in a lab-scale reactor. In comparison to raw sludge, EF-pretreated sludge produced the highest biogas yield (0.81 L biogas/g VS) with a high COD removal rate, reaching 96.6% at an organic loading rate (OLR) of 2.5 g VS/L. d. …”
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  19. 299

    Heat transfer measurements of Polyalpha-Olefin- boron nitride nanofluids for thermal management and lubrication applications by Sleiti, Ahmad K.

    Published 2020
    “…Heat transfer experiments are conducted for both the PAO base fluid and nanofluid as a function of Reynolds number. It is found that PAO/hBN nanofluids exhibit Newtonian behavior as a function of temperature (from −20 to 70 °C) and volume concentration (0.25–1%). …”
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