يعرض 461 - 480 نتائج من 966 نتيجة بحث عن '(( 25 c decrease ) OR ( 5 ((steel decrease) OR (((a decrease) OR (nn decrease)))) ))', وقت الاستعلام: 0.17s تنقيح النتائج
  1. 461

    Influence of temperature on tire-pavement noise in hot climates: Qatar case حسب Okan, Sirin

    منشور في 2021
    "…The On-Board Sound Intensity (OBSI) noise measurements technique was used to collect the noise data at different temperatures ranging from 25 °C to 43 °C. A linear regression analysis was performed to verify the relationship between noise and temperature. …"
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  2. 462

    Influence of temperature on tire-pavement noise in hot climates: Qatar case حسب Okan, Sirin

    منشور في 2021
    "…The On-Board Sound Intensity (OBSI) noise measurements technique was used to collect the noise data at different temperatures ranging from 25 °C to 43 °C. A linear regression analysis was performed to verify the relationship between noise and temperature. …"
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    article
  3. 463

    Inter-annual variability and distribution of aerosols during winters and aerosol optical thickness over Northeastern Pakistan حسب Shahid, M. Z.

    منشور في 2020
    "…ir pollution during winters over north-eastern (NE) Pakistan (71–74.5 E, 28–34 N) is a major challenge that affects human health, climate and daily life. …"
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  4. 464

    Physico-mechanical Properties of Sustainable Building Material Based Gypsum and Recycled Polyethylene Waste حسب Amina, Djoudi

    منشور في 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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  5. 465

    Thermoelectric properties of SbNCa3 and BiNCa3 for thermoelectric devices and alternative energy applications حسب Bilal, M.

    منشور في 2014
    "…The maximum values of thermal conductivity are 92×1014 W/m K s and 88×1014 W/m K s for SbNCa3 and BiNCa3 respectively at a temperature of 900 K. The peak values of 5×1020/Ω m s and 5.2×1020/Ω m s are achieved for n-type SbNCa3 and BiNCa3 respectively at a temperature of 300 K. …"
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  6. 466

    Enhancing the production of biogas through anaerobic co-digestion of agricultural waste and chemical pre-treatments حسب Almomani F.

    منشور في 2020
    "…The results revealed that the highest cumulative methane production (CMP) of 297.99 NL/kgVS can be generated by co-digestion of ASWs and CD at a ratio of 60:40. Further improvement was achieved via alkalinity treatment with 1.0 g of NaHCO3/gVS leading to decrease in lignin, cellulose, and hemicellulose contents of feedstock by 3.5%, 10.5% and 15.9%, respectively, converting them to soluble fractions and improving the CMP by 11.2–29.7% based on substrate quality. …"
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  7. 467

    Evaluation of different personalized ventilation air terminal devices: Inhalation vs. clothing-mediated exposures حسب Al Assaad, Douaa

    منشور في 2021
    "…Increasing the flow to 10 l/s led to reductions of 89% in exposure and 56.5% in deposition. A VDG delivering 5 l/s reduced exposure by 33% while deposition reduction was negligible at 3%. …"
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  8. 468
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  11. 471

    Differentiation of human olfactory bulb-derived neural stem cells toward oligodendrocyte. حسب Marei, Hany E

    منشور في 2018
    "…The differentiation medium, containing cAMP, PDGFA, T3, and all-trans-retinoic acid (ATRA), promotes OBNSCs to generate mostly oligodendrocytes (OLs) displaying morphological changes, and appearance of long cytoplasmic processes. OBNSCs showed, after 5 days in OLs differentiation medium, a considerable decrease in the number of nestin positive cells, which was associated with a concomitant increase of NG2 immunoreactive cells and few O4(+)-OPCs. …"
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  12. 472
  13. 473

    Radiofrequency Ablation Versus Antiarrhythmic Drug Therapy for Atrial Fibrillation: Meta-analysis of Safety and Efficacy حسب Yi F.

    منشور في 2019
    "…BACKGROUND: Radiofrequency ablation (RFA) and antiarrhythmic drugs (AADs) are the main treatments used for atrial fibrillation (AF). In recent years, a number of articles comparing the 2 treatments have begun to emerge. …"
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  14. 474
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  18. 478

    Study of performance, combustion, and emissions parameters of DI-diesel engine fueled with algae biodiesel/diesel/n-pentane blends حسب Elkelawy, Medhat

    منشور في 2021
    "…The carbon monoxide and oxygen concentrations of the exhaust gases also decreased by 17.35% and 9.5%, respectively compared to B50. …"
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  19. 479

    Mercury pollution in doha (Qatar) coastal environment حسب Al-Madfa, H.

    منشور في 1994
    "…m sediment fraction. There is a general trend for all Hg species determined in water and sediments to decrease seaward. …"
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  20. 480