Showing 221 - 240 results of 517 for search '(( 50 ((nn decrease) OR (a decrease)) ) OR ((( 2 wt decrease ) OR ( a systematic decrease ))))*', query time: 0.18s Refine Results
  1. 221

    Microstructure, wear and corrosion characteristics of Cu matrix reinforced SiC–graphite hybrid composites by Jamwal A.

    Published 2019
    “…Copper matrix composites with SiC-graphite reinforcement (0, 2.5,5, 7.5 and 10 wt.%) were prepared by stir casting process. …”
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  2. 222

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

    Published 2016
    “…To each pot, sufficient amount of 0.25-mm sieved biochar was mixed with soil to yield carbon to soil ratios of 0, 1, and 2% (wt/wt). 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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  3. 223

    Influence of nitrogen doping on the electrocatalytic activity of Ni-incorporated carbon nanofibers toward urea oxidation by Barakat, Nasser A.M.

    Published 2017
    “…However, the electrochemical measurements indicated that the content of the urea in the initial electrospun solution should be optimized as the results showed that the best nickel surface activation as well as the maximum observed current density can be achieved when the urea content is kept at 5 wt%. Typically, the observed current densities using 1.0 M urea (in 1 M KOH) were 3.15, 29.7, 13.75, 47.55, 14.13 and 9.85 mA/cm2 for the nanofibers obtained from electrospun solutions having 0, 1, 2, 5, 7 and 9 wt% urea, respectively. …”
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  4. 224

    Synthesis of High-Antifouling and Antibacterial Ultrafiltration Membranes Incorporating Low Concentrations of Graphene Oxide by Alkhouzaam, Abedalkader Ibraheem

    Published 2020
    “…The pure water permeability (PWP) decreased with loadings of GO from 181.7 L.m-2.h-1.bar-1 of pure PSF to 181.1 and 167.4 L.m-2.h-1.bar-1 with 0.02 and 0.1 wt.% GO respectively. …”
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  5. 225

    Isothermal crystallization kinetics and morphology of double crystalline PCL/PBS blends mixed with a polycarbonate/MWCNTs masterbatch by Gumede T.P.

    Published 2019
    “…For the nanocomposites, there was a decrease in Tc values. This was attributed to a competition between two effects: (1) The partial miscibility of the PC-rich and the PCL-rich and PBS-rich phases, and (2) the nucleation effect of the MWCNTs. …”
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  6. 226

    Deoxygenation of pyrolysis vapour derived from durian shell using catalysts prepared from industrial wastes rich in Ca, Fe, Si and Al by Tan, Y.L.

    Published 2020
    “…With same silica-to-alumina ratio, catalyst prepared from oil palm ash (AS-OPA) with lower Fe and Ca contents gave higher liquid yield (8.32 wt%) with alcohols (28.90%), hydrocarbons (46.00%), and nitrogen-containing compounds (21.46%) while catalyst prepared from electric arc furnace slag (AS-EAF) with higher Fe and Ca contents produced lower liquid yield (50.21 wt%) with high amount of esters (25.80%) and hydrocarbons (72.82%). …”
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  7. 227

    A lipidomic screen of hyperglycemia-treated HRECs links 12/15-Lipoxygenase to microvascular dysfunction during diabetic retinopathy via NADPH oxidase by Ibrahim, Ahmed S.

    Published 2015
    “…Fluorescein angiography and retinal albumin leakage showed a significant decrease in retinal hyperpermeability in streptozotocin-induced diabetic mice lacking 12/15-LOX compared with diabetic WT mice. …”
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  8. 228

    Propagation rate coefficient for sulfobetaine monomers by PLP-SEC by Lacík, Igor

    Published 2016
    “…The kp values are determined in aqueous solutions for monomer concentrations between 5 and 50 wt % and temperatures between 15 and 80 °C. The propagation rate for SBE is by about a factor of two higher than that for SBAm. …”
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  9. 229

    Date palm wood flour/glass fibre reinforced hybrid composites of recycled polypropylene: Mechanical and thermal properties by AlMaadeed, Mariam A.

    Published 2012
    “…Addition of as little 5wt% glass fibre to wood flour reinforced RPP increases the tensile strength by about 18% relative to the wood flour reinforcement alone. …”
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  10. 230

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

    Published 2018
    “…wt.% PHBV. For samples between 50/50 and 10/90 PLA/PHBV the tensile strength and Young?…”
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  11. 231

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

    Published 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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  12. 232

    Artificial weathering and accelerated heat aging studies on low-density polyethylene (Ldpe) produced via autoclave and tubular process technologies by Luyt, A. S.

    Published 2021
    “…Oligomeric or high molecular weight hindered amine light stabilizer (HALS), and two UV absorbers of benzophenone or hydroxyphenyl-triazine types were equally introduced to both the LDPE grades at a total content of 0.2 wt%. …”
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  13. 233

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

    Published 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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  14. 234

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

    Published 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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  15. 235

    Phase change materials based on high-density polyethylene filled with microencapsulated paraffin wax by Krupa, Igor

    Published 2014
    “…A modified in situ polymerization microencapsulation procedure for the preparation of microcapsules with paraffin wax cores (43 wt.%) and melamine–formaldehyde resin shells having a uniform size distribution and a spherical shape with average diameters of approximately 15 μm was developed. …”
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  16. 236
  17. 237

    Ni-P-TiO2 Composite coatings on copper produced by sol-enhanced electroplating by Wang, Yuxin

    Published 2014
    “…Ni-P-TiO2 composite coatings were prepared on copper substrate by TiO2 sol-enhanced electroplating. A systematic study of Ni-P-X coatings with different sol concentrations (TiO2 concentration X from 0 to 50 mL/L) has been conducted in order to understand the effect of TiO2 sol addition and the strengthening mechanism. …”
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  18. 238

    Improved flexible, controlled dielectric constant material from recycled LDPE polymer composites by Noorunnisa Khanam, P.

    Published 2016
    “…In this study, recycled low density polyethylene (RLDPE) is developed with the addition of aluminum oxide (Al2O3) to have new polymer composites. The following wt% were used of the filler (1, 4 and 6 wt%). …”
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  19. 239

    Nanocomposite Ni-TiO2 coatings produced by pulsed electroplating by Wang, Y.

    Published 2014
    “…Nanocomposite Ni-TiO2 coatings were prepared on mild steel substrate by pulse electroplating with controlled duty cycle and frequency. A systematic study of Ni-xTiO2 coatings with different TiO2 concentrations (x50-20 g L-1) has been conducted. …”
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  20. 240