يعرض 1,141 - 1,160 نتائج من 1,783 نتيجة بحث عن '(( 9 11 decrease ) OR ( 10 ((meters decrease) OR (((nn decrease) OR (a decrease)))) ))*', وقت الاستعلام: 0.21s تنقيح النتائج
  1. 1141
  2. 1142

    Mixed Solid Municipal Waste-Based Biochar for Soil Fertility and Greenhouse Gas Mitigation حسب Bansode, Rishipal

    منشور في 2016
    "…Municipal solid waste management is one of the major challenges facing Qatar with more than 2.5 million tons of municipal solid waste each year, a very high waste generation rate in a country with small land mass. …"
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  3. 1143

    Fabrication of Selective Sensors for Hg2+ Traces in Water Using Graphene Decorated with Metal Nanoclusters حسب Ayesh, Ahmad I.

    منشور في 2016
    "…The system consists of three main chambers (source, mass filter, and deposition chambers) that were pumped initially to a base pressure of 10-8 mbar using two turbo pumps. …"
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  4. 1144
  5. 1145
  6. 1146

    Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar حسب Ahmedna, Mohamed

    منشور في 2016
    "…Box-Behnken experimental design was used instead of the full factorial to decrease the number of treatments to a manageable level (126 treatments) with three replications at the center. …"
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  7. 1147

    Global, regional, and national stillbirths at 20 weeks' gestation or longer in 204 countries and territories, 1990–2021: findings from the Global Burden of Disease Study 2021 حسب Comfort, Haley

    منشور في 2024
    "…The estimated number of stillbirths occurring at 20 weeks' gestation or longer decreased from 5·08 million (95% UI 4·07–6·35) in 1990 to 3·04 million (2·61–3·62) in 2021, corresponding to a 39·8% (31·8–48·0) reduction, which lagged behind a global improvement in neonatal deaths of 45·6% (36·3–53·1) for the same period (down from 4·03 million [3·86–4·22] neonatal deaths in 1990). …"
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    article
  8. 1148
  9. 1149

    Facile Electrochemical Synthesis of Highly Efficient Copper-Cobalt Oxide Nanostructures for Oxygen Evolution Reactions حسب Nath, Narayan Chandra Deb

    منشور في 2020
    "…An optimized nanopetal structure of CuxCo3-xO4 (x = 0.95, annealed at 200 °C) shows a considerably high Faradaic efficiency (∼93%) with a remarkably low overpotential (∼230 mV) at a benchmark current density (J) of 10 mA cm-2; at the same J in an alkaline solution (1 M KOH) for OER, it also exhibits high durability (up to 100 h). …"
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  10. 1150
  11. 1151
  12. 1152
  13. 1153

    Enhancing thermal and mechanical response of aluminum using nanolength scale TiC ceramic reinforcement حسب Reddy M.P.

    منشور في 2018
    "…the present work, nano-sized titanium carbide (0.5, 1.0 and 1.5 vol%) reinforced aluminum (Al) metal matrix composites were synthesized by powder metallurgy incorporating microwave sintering and hot extrusion. …"
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  14. 1154
  15. 1155
  16. 1156
  17. 1157
  18. 1158
  19. 1159

    Electrochemical oxidation of ammonia (NH4+/NH3) ON synthesized nickel-cobalt oxide catalyst حسب Almomani F.

    منشور في 2021
    "…The reported Pgen were 0.55, 0.85, 1.1 and 0.0.93 mW/cm2 for Ni–C, Co10/Ni–C, Co20/Ni–C and Co40/Ni–C. A concentration of Co higher than 40% decreased cell potential (Vcell) and reduced the percentage removal of ammonia (%REAmm). …"
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  20. 1160

    Synthesis and properties of HA/ZnO/CNT nanocomposite حسب Ding M.

    منشور في 2018
    "…The goal of this study was to examine the tribomechanical properties of hydroxyapatite (HA)/ZnO and HA/ZnO/CNT composite ceramics (carbon nanotubes; with different ratios 0.5 wt%, 1.0 wt%, and 1.5 wt%). The composites were synthesized using the hydrothermal method in an autoclave. …"
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