يعرض 161 - 180 نتائج من 454 نتيجة بحث عن '(( 50 ((peer decrease) OR (((mean decrease) OR (a decrease)))) ) OR ( 45 c decrease ))', وقت الاستعلام: 0.20s تنقيح النتائج
  1. 161

    Inhibitory effect of sodium nitrite on corrosion of lead in 0.1 M sodium hydroxide solution حسب Mourad, M.Y.

    منشور في 1988
    "…The maximum inhibition efficiency is found to be 49.4% at 35°C and 45.9% at 50°C.…"
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  2. 162

    Effect Of The Apical Ectodermal Ridge On Mitotic Index In Hind Limb Bud Mesenchyme In Bufo Regularis حسب Abdel Karim, Ahmed E.

    منشور في 1991
    "…The operated bud (80% of cases) showed a decrease in its volume and there was no significant difference in mesenchyme MI. …"
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  3. 163

    Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) حسب Connor, Izumi

    منشور في 2022
    "…The slope suggests that removal of C as CaCO3, organic matter (CH2O) or gas exchange (FCO2) is occurring with a ratio of ΔCaCO3/(ΔCH2O or FCO2) = 1:2.86. The tracer Alk*, defined as the deviation of potential alkalinity (AP) (where AP = TA + 1.26 [NO3]) from conservative potential alkalinity ((ApC), (ApC = S Ap′S′ where A'P and S′ are mean values for the whole surface ocean) has values primarily determined by CaCO3 precipitation and dissolution. …"
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  4. 164

    Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) حسب Connor, Izumi

    منشور في 2022
    "…The slope suggests that removal of C as CaCO3, organic matter (CH2O) or gas exchange (FCO2) is occurring with a ratio of ΔCaCO3/(ΔCH2O or FCO2) = 1:2.86. The tracer Alk*, defined as the deviation of potential alkalinity (AP) (where AP = TA + 1.26 [NO3]) from conservative potential alkalinity ((ApC), (ApC = S Ap′S′ where A'P and S′ are mean values for the whole surface ocean) has values primarily determined by CaCO3 precipitation and dissolution. …"
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    article
  5. 165

    Effects of combined calcium hypochlorite and chlorine dioxide on drinking water quality in Qatar and disinfection by-products formation حسب Mohamed, Elsamoul H.

    منشور في 2017
    "…The mixtures were stored for 7 days at 25°C in the dark then heated to 45°C for two days more, and analyzed daily for physical and chemical parameters. …"
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  6. 166
  7. 167
  8. 168
  9. 169

    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
    "…Through performance tests, it was found that 15 ml of n-pentane per liter was the best addition as it caused an increase in the brake thermal efficiency of 7.1% and a decrease in brake specific fuel consumption of 6.4% compared to the elegant B50. …"
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  10. 170

    Uncovering the Epigenetic Contribution of Protein Arginine Methyltransferase 5 (PRMT5) during Zebrafish Cardiomyogenesis حسب Zakaria, Zain Zaki

    منشور في 2020
    "…This was accompanied by a moderate decrease in blood flow (20%), significantly higher decrease in general cardiac output (65%), and reduction in red blood cells count (50%). …"
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  11. 171

    Production of phycocyanin by Leptolyngbya sp. in desert environments حسب Schipper, Kira

    منشور في 2020
    "…Under elevated temperatures and light intensities, of up to 40 °C and 1800 μmol·m−2·s−1, the strain's biomass productivity was up to 45% higher as compared to reported productivities for A. platensis, with comparable phycocyanin content. …"
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  12. 172
  13. 173

    Cultivating microalgae in desert conditions: Evaluation of the effect of light‐temperature summer conditions on the growth and metabolism of nannochloropsis qu130 حسب Jabri, Hareb Al

    منشور في 2021
    "…In the Qatar desert the temperature varies widely, typically between 10° and 45 °C There are also wide variations in light intensity, with values of over 1500 μmolhν.m−2s−1 in summer. …"
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  14. 174

    Morphology and property changes in PLA/PHBV blends as function of blend composition حسب Kanda G.S.

    منشور في 2018
    "…A weak negative deviation in the mean size for low PHBV content possibly indicates some degree of partial miscibility. …"
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  15. 175

    Recycled Polypropylene Fibres for Reinforcing Cement Mortar under Arid Conditions حسب Bendjillali, Khadra

    منشور في 2023
    "…The present experimental work is conducted to investigate the physical and the mechanical behaviour of cement mortar reinforced by recycled polypropylene fibres under arid conditions, at 45 °C and 30% RH. The used polypropylene fibres are recycled from a domestic plastic waste. …"
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  16. 176
  17. 177

    The Impact of COVID-19 on the HIV Cascade of Care in Botswana – An Interrupted Time Series حسب Sehurutshi, Alice

    منشور في 2024
    "…In multivariable Poisson interrupted time series regression, the COVID-19 lockdown was associated with a 27% decrease in the monthly numbers of HIV tests (IRR 0.73, 95%CI 0.72–0.73), a 25% decrease in HIV positive tests (IRR 0.75, 95%CI 0.71–0.79), and a 43% reduction in ART initiations (IRR 0.57, 95%CI 0.55–0.60). …"
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  18. 178

    Analysis of dopant diffusion in molten germanium induced by pulsed nd : yag laser حسب Mousa, Ali M. [علي مطشر موسى]

    منشور في 1995
    "…Doped sample Tann = 200- 500 C for time t mn = 45 subjected to subsequent thermal annealing (at the temperature and to plused leacr annealing (en<5rgy density in a min) pluse E=5.2 - 9.5 J/cm2) in order to establish optimal condition. …"
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  19. 179

    Biodegradable thermoplastic polyurethane composites as potential plating systems in pediatric facial fractures حسب ALANI, AYA AHMED

    منشور في 2022
    "…Due to the rapid growth of facial bone in the pediatric age group, the use of metallic plates would require a second surgical intervention to remove it. The alternative is biodegradable plating systems which are safe but not without complications, including learning curve, decreased stability, cost, and infection. …"
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  20. 180

    Complex-impedance response of an Ag/TeO2-V2O5/Ag structure حسب El-Muraikhi, M.

    منشور في 2009
    "…The ac conductivity of glass samples of composition 50 mol% TeO2 and 50 mol% V2O5 has been analyzed. …"
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