Showing 201 - 220 results of 1,330 for search '(( 10 i decrease ) OR ( 5 ((((wt decrease) OR (greater decrease))) OR (mean decrease)) ))', query time: 0.20s Refine Results
  1. 201

    Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy by Shawaqfah M.

    Published 2021
    “…The model sensitivity was analyzed using the root mean square error (RMSE), the mean absolute percentage error and the regression coefficient index R2, which yielded highly accurate values of the predicted correlation for the infected and dead cases of 0.99 for the dates considered. …”
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  2. 202

    Tribological studies of nanomodified mineral based multi-grade engine oil by Laad, M.

    Published 2017
    “…Tests were carried under loads of 40N, 60N and 90N at sliding speeds 0.5 m/s, 1.0 m/s and 1.5 m/s. Nanoparticle concentration in the mineral oil was taken as 1.5 wt%. …”
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  3. 203

    Effect Of Sand Blasting On Soda Lime Glass Properties by Bousbaa, C.

    Published 2003
    “…The as received glass Weibull plot shows a large dispersion expressed by a low Weibull modulus (m = 5.41) and a relatively higher average strength value (smoy = 76 MPa). …”
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  4. 204

    Trends and Appropriateness of Sodium-glucose Co-transporter 2 Inhibitors Use in Qatar by Zaghloul, Nancy

    Published 2023
    “…Conclusion: SGLT2is have largely replaced sulfonylureas in clinical practice in Qatar, with a greater utilization for empagliflozin over dapagliflozin. …”
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  5. 205

    Studies on growth and chemical composition of tobacco varieties. IV - comparative effects of various combinations of fertilizers on economic potentialities of tobacco plants by Younis, M. E. [محمود الباز يونس]

    Published 1987
    “…With higher fertilizer levels used in experiment II, progressively greater reduction in stem length and number of leaves were apparent. …”
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  6. 206

    Use and assessment of “e-plastics” as recycled aggregates in cement mortar by Makri, Chrysanthi

    Published 2019
    “…The obtained results, for all RPs, (especially those of 7.5% and 10%) exhibited an increase in the CS of the specimens by 15.4% and 7.8%, respectively, with the MoE decreased in both cases by 18.1% and 23.8%, respectively. …”
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  7. 207

    Tailoring electrocatalytic properties of Pt nanoparticles grown on Ti3C2Tx MXene surface by Filip, Jaroslav

    Published 2019
    “…Composites containing 14 wt% Pt showed HER with an onset potential of −75.9 mV and a current density of −10 mA cm−2 achieved at −226 mV. …”
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  8. 208

    Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride by Radwan A.B.

    Published 2019
    “…Using only a 50 ?mol L?1 of BTC, we are able to measure an inhibition efficiency of 91, 79, and 71% in SCP solution with 3.5% NaCl at pH of 12.5, 10 and 7, respectively without showing any effect on the mechanical properties on the cured mortars. …”
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  9. 209
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  11. 211

    Role of TiO2 and carbon nanotubes on polyethylene, and effect of accelerated weathering on photo oxidation and mechanical properties by Zagho M.M.

    Published 2019
    “…TONPs increased the tensile strength of the samples by 11.5% but deterioration of this property is the same as the pristine sample after accelerated weathering for 39 days. …”
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  12. 212

    Combined effects of treated domestic wastewater, fly ash, and calcium nitrite toward concrete sustainability by Abushanab, Abdelrahman

    Published 2021
    “…Test results revealed that TWW slightly decreased concrete compressive and flexural strengths by 5%-12%, whereas it dramatically increased the porosity and chloride permeability by about 40%. …”
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  13. 213

    The Impact of Multiple Autoclave Cycles on the Surface Roughness of Thermally Treated Nickel-Titanium Endodontic Files by Ba-Hattab, Raidan

    Published 2022
    “…An unsterilized group was assigned as the pre-autoclaving group (Cycle 0), and the other three groups underwent various autoclave sterilization cycles (Cycles 1, 5, and 10). The roughness average (Ra), root mean square (Rq), and average maximum peak-to-valley height (Rz) values were evaluated using SEM and ImageJ software. …”
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  14. 214
  15. 215

    Characterizing Biaxially Stretched Polypropylene / Graphene Nanoplatelet Composites by Mayoral, B.

    Published 2021
    “…Results show that the addition of GNP (>5wt%) can lead to electrically conductive composites due to the formation of percolation network. …”
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  16. 216
  17. 217

    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. …”
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  18. 218

    Resistive room temperature LPG sensor based on a graphene/CdO nanocomposite by Goutham S.

    Published 2019
    “…The CdO/graphene composite was deposited as a film on interdigitated electrodes (IDEs) which then were used for chemiresistive sensing of liquid petroleum gas (LPG) by using a four probe technique. A Resistivity decreases significantly upon exposure to a LPG. The electrical resistance measurement at a constant bias voltage of 0.5 V. …”
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  19. 219

    Experimental analysis of additively manufactured thin-walled heat-treated circular tubes with slits using AlSi10Mg alloy by quasi-static axial crushing test by Mohamed A.S.

    Published 2019
    “…The bulk of the tested tubes exhibited a crushing force efficiency greater than 0.8. Overall, the presence of slits with length 15 mm and width 5 mm resulted in lower and smoother crushing forces than the straight tubes and, therefore, greater crushing force efficiency, validating them as crashworthy structures.…”
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  20. 220

    Low electro-synthesis potentials improve permselectivity of polymerized natural phenols in biosensor applications by Monti, Patrizia

    Published 2017
    “…Polymers were obtained by means of constant potential amperometry, instead of cyclic voltammetry, in order to achieve multiple polymerizations, hence decreasing the time of realization and variability. …”
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