يعرض 201 - 220 نتائج من 640 نتيجة بحث عن '(( 50 ((mean decrease) OR (a decrease)) ) OR ((( a case decrease ) OR ( a systematic decrease ))))*', وقت الاستعلام: 0.25s تنقيح النتائج
  1. 201
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    Synthesis and characterization of Sm3+-doped ZnO nanoparticles via a sol–gel method and their photocatalytic application حسب Ba-Abbad, Muneer M.

    منشور في 2018
    "…The photocatalytic degradation of 2-chlorophenol was investigated under sunlight in presence of ZnO and samarium-doped ZnO nanoparticles. A higher performance of samarium-doped ZnO for photocatalytic degradation of 2-chlorophenol at 0.50 wt.% was observed, compared to pure ZnO nanoparticles under the same experimental conditions.…"
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  3. 203

    Optimization of performance and emission characteristics of CI engine fueled with Jatropha biodiesel produced using a heterogeneous catalyst (CaO) حسب Singh, A.

    منشور في 2020
    "…In present investigation has witnessed a significant decrease in HC emissions (14.29 percent) compared to diesel, and a slight increase in NOx emissions (1.98 percent) is also observed. …"
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  4. 204

    RIGOROUS SIMULATION AND OPTIMIZATION OF THE COLD SECTION IN A REAL LNG PLANT: UPFRONT NITROGEN REMOVAL AS PROCESS ENHANCING CONCEPT حسب MKACHER, HAJER

    منشور في 2023
    "…Energy optimization, detailed exergy analysis, and economic analysis for several UNrem cases were conducted and compared. Results showed that the total power requirement and the production rate can be decreased upon the implementation of the UNrem concept. …"
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  5. 205

    Experimental and theoretical studies on the mechanical and structural changes imposed by the variation of clay loading on poly(vinyl alcohol)/cloisite 93A nanocomposites حسب Kabalan L.

    منشور في 2019
    "…By calculating the density profile, it has been demonstrated that in case of low clay loading, the cloisite 93A has its nitrogen groups on the clay surface and the long tails form layers. …"
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  6. 206

    An experimental study on achieving even-frosting for an air source heat pump using a novel dual-fan outdoor coil حسب Bai, Xiaoxia

    منشور في 2022
    "…Besides, as tTIAO values were decreased from 15 mins to 10 mins for both fans, and to 6 mins for Fan A and 8 mins for Fan B, heating/frosting operation duration was increased by 8.9% and 19.4%, respectively, at a higher and , as compared to those using the traditional single-fan outdoor coil. …"
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  7. 207
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  9. 209

    Galvanic exchange as a novel method for carbon nitride supported coag catalyst synthesis for oxygen reduction and carbon dioxide conversion حسب Nazir, Roshan

    منشور في 2019
    "…A bimetallic alloy of CoAg nanoparticles (NPs) on a carbon nitride (CN) surface was synthesized using a galvanic exchange process for the oxygen reduction reaction (ORR) and carbon dioxide electrocatalytic conversion. …"
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  10. 210
  11. 211

    Solar-driven hydrogen production from a water-splitting cycle based on carbon-TiO2 nano-tubes حسب Almomani F.

    منشور في 2022
    "…The S-DPOH achieved a cumulative production of hydrogen (CPOH) during 50 h of solar irradiation of 43.75 mmol at a rate RPOH?…"
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  12. 212
  13. 213

    Study of diesel-biodiesel blends combustion and emission characteristics in a CI engine by adding nanoparticles of Mn (II) supramolecular complex حسب Elkelawy, M.

    منشور في 2020
    "…The supramolecular complex (SC1) [Mn(EIN)4(NCS)2] was synthesized and characterized as a new nanosized emulsion additive to improve the fuel incineration and emission formation behavior of a diesel-biodiesel blends-fueled CI engine. …"
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  14. 214
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  19. 219

    Improved properties of Al-Si3N4 nanocomposites fabricated through a microwave sintering and hot extrusion process حسب Matli, Penchal Reddy

    منشور في 2017
    "…In this study, nano-sized Si3N4 (0, 0.5, 1.0 and 1.5 vol%)/Al composites were fabricated using a powder metallurgy method involving microwave sintering technique followed by hot extrusion. …"
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  20. 220

    High-intensity exercise training does not influence body weight but improves lipid oxidation in obese adults: A 6-week RCT حسب Jabbour, Georges

    منشور في 2017
    "…The percentage of LO contribution was computed at rest and for all workloads (25, 50, 75, 100 and 125 W) in both groups before and after training via a graded maximal cycling test. …"
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