يعرض 201 - 220 نتائج من 249 نتيجة بحث عن '(( a point decrease ) OR ( 100 ((((we decrease) OR (a decrease))) OR (mean decrease)) ))', وقت الاستعلام: 0.24s تنقيح النتائج
  1. 201

    Flexural behavior of reinforced concrete beams prepared with treated Wastewater, recycled concrete Aggregates, and fly ash حسب Abushanab, Abdelrahman

    منشور في 2022
    "…Utilizing treated domestic wastewater (TWW), recycled concrete aggregates (RCA), and fly ash (FA) in reinforced concrete (RC) structures is of great interest from a sustainability perspective. In this study, four RC beams (180 x 250 x 2000 mm) were fabricated and tested under a four-point bend flexure until failure. …"
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  2. 202

    Structural performance and moment redistribution of basalt FRC continuous beams reinforced with basalt FRP bars حسب Abushanab, Abdelrahman

    منشور في 2021
    "…This study investigated the structural performance and moment redistribution of basalt fiber reinforced concrete (BFRC) continuous beams reinforced with basalt fiber reinforced polymers (BFRP) bars. A total of 10 reinforced concrete (RC) continuous beams over two equal spans of 1800 mm were tested under five-point loading until failure. …"
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  3. 203

    Temperature sensor based on composite film of vanadium complex (VO2(3-fl)) and CNT حسب Karimov, Kh S.

    منشور في 2015
    "…The temperature-sensing principle of the sensor was based on the conductivity change of the coated sensing element upon heating or cooling processes. DC and AC (100 Hz) resistances of the temperature sensor decreased quasilinearly with increasing the temperature in the range of 25-80 °C. …"
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  4. 204

    Thermal properties of phase-change materials based on high-density polyethylene filled with micro-encapsulated paraffin wax for thermal energy storage حسب Karkri, M.

    منشور في 2015
    "…Microcapsules consisting of paraffin wax cores with a melting point of approximately 42 °C and a melamine-formaldehyde resin shell were synthesized using in situ polymerization. …"
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  5. 205

    Structural influence of chromium substituted magnetite ferrofluids on the optical and antibacterial characteristics حسب Babukutty, B.

    منشور في 2023
    "…As the composition of Cr increases from x = 0.2 to x = 0.8, the crystalline size decreases reaching a minimum value of 9 nm. At the same time, the magnetic moment also becomes 1.3 +- 0.08 at a saturation point of 33 +- 0.13 emu/g at the highest Cr composition. …"
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  6. 206

    Carbon nanotube effect on the ductility, flexural strength, and permeability of concrete حسب Mohsen, Mohamed O.

    منشور في 2019
    "….% CNTs were prepared using a mixing method that consisted of a 30-minute solution sonication and a 60-minute batch mixing. …"
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  7. 207

    BCL-2 Inhibitor Venetoclax Induces Autophagy-Associated Cell Death, Cell Cycle Arrest, and Apoptosis in Human Breast Cancer Cells. حسب Alhoshani, Ali

    منشور في 2020
    "…Treatment of human breast cancer cells with increasing concentrations of VCX caused a significant decrease in cells growth and proliferation. …"
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  8. 208
  9. 209

    Effect of bond enhancement using carbon nanotubes on flexural behavior of RC beams strengthened with externally bonded CFRP sheets حسب Irshidat, Mohammad R.

    منشور في 2022
    "…A nonlinear finite element (FE) model was built, validated, and used to study the effect of various parameters on the strengthening efficiency of CNTs-modified CFRP. …"
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  10. 210

    The Role of Key Impurity Elements on the Performance of Aluminium Electrolysis - Current Efficiency and Metal Quality حسب Al-Mejali, Jassim Ali

    منشور في 2015
    "…It is established in the literature that for every 100 ppm of phosphorus in the bath the current efficiency is decreased by 1%. …"
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  11. 211

    Correlation of multiple time-scale and uncertainty modelling for renewable energy-load profiles in wind powered system حسب Mehrjerdi H.

    منشور في 2019
    "…But they increase the simulation time about 100, 200, and 300%, respectively. As a result, 15-min time-scale is considered as the best case because it keeps both simulation time and model accuracy on the acceptable level. …"
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  12. 212
  13. 213

    Shear Behavior of Green Concrete Beams Reinforced with Basalt FRP Bars and Stirrups. حسب Elahtem, Ayman Ahmed

    منشور في 2020
    "…The Reinforced concrete structures when exposed to a harsh environment it will be susceptible to the corrosion of steel reinforcement and shall lead to deterioration process. …"
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  14. 214

    Modified zno nanoparticles using iron ions (Fe3+) for photo-catalytic degradation of toxic pollutants under sunlight حسب Ba-Abbad, Muneer M.

    منشور في 2019
    "…As the Fe3+ concentration increased from 0.25 to 1.00 wt. %, the crystal size decreased in comparison with the undoped ZnO. …"
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  15. 215

    Synthesis and electrochemical properties of nickel oxide/carbon nanofiber composites حسب Al-Enizi, Abdullah M.

    منشور في 2014
    "…The EDLC increased from 0.144 F g−1 at a calcination temperature of 100 °C to 485 F g−1 at a calcination temperature of 500 °C.…"
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  16. 216

    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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  17. 217

    Warming up for athletic events حسب Hussain, Helmi

    منشور في 1985
    "…If the results of the research in our field seem to be controversial at this time, that probably is due to the fact that each study has tried to find the answer to the question from a different point of view with different factors involved (24).…"
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  18. 218

    Centrifugal Compressor Spiral Dry Gas Seal Simulation Working at Reverse Rotation حسب Ibrahim, Shahin

    منشور في 2013
    "…The open force corresponding to reverse rotation increased with a value 1.5kN for both the 100 overlap and 50% forward overlap seal faces, but using seal face with 50% backward overlap failed to enhance the open force at reversal condition.…"
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  19. 219

    Thermochemical splitting of CO2 using solution combustion synthesized lanthanum-strontium-anganese perovskites حسب Takalkar, G.

    منشور في 2021
    "…Redox reactivity of La(1-x)SrxMnO3 (LSM) perovskites towards a solar thermochemical CO2 splitting (CS) cycle is investigated. …"
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  20. 220

    Changes in air quality during the first-level response to the COVID-19 pandemic in Shanghai Municipality, China حسب Bai, Yang

    منشور في 2020
    "…The most frequently reported negative impact is a deterioration in urban air quality. In this study, we performed a comprehensive assessment of the effects of the city lockdown policy in response to Covid-19 on air quality in Shanghai Municipality, China, and sought to identify a balance point between human activities and improving air quality. …"
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