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381
Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy
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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382
Improvement of ternary recycled polymer blend reinforced with date palm fibre
Published 2014“…The date palm fibre reinforced composites (CD00) were prepared by maintaining constant weight% of fibre of 20wt% without any fibre treatment. Maleic anhydride (MA) was used as the compatabilizer (1 and 2wt%) and the effect of compatabilizer on the blend matrix composites was studied. …”
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383
The Structure of the Free Volume in Poly(styrene-co-acrylonitrile) from Positron Lifetime and Pressure Volume Temperature (PVT) Experiments
Published 2004“…The mean hole volume, vh, varies in PS between 105 Å3 (27 °C) and 220 Å3 (190 °C), and shows a systematic decrease with increasing AN content, at Tg from 121 Å3 for PS to 102 (±2) Å3 for SAN50. …”
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384
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385
Higher egg consumption associated with increased risk of diabetes in Chinese adults - China Health and Nutrition Survey.
Published 2020“…Egg consumption at each survey was assessed by a 3-d 24-h recall and weighed food record methods. …”
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386
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387
Thermal characterization of phase change materials based on linear low-density polyethylene, paraffin wax and expanded graphite
Published 2016“…A similar decrease in sensible heat with increased loading of EG was observed for PCMs containing 50 wt.% of EG. …”
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388
Synthesis and properties of HA/ZnO/CNT nanocomposite
Published 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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389
Pd nanocrystals encapsulated in MOF-derived Ni/N-doped hollow carbon nanosheets for efficient thermal CO oxidation: unveiling the effect of porosity
Published 2023“…This is evidenced in the great ability of Pd/Ni-MOF-HNC to utterly oxidize CO at a lower complete conversion temperature (T100) of 114.5 °C compared with Pd/Ni-MOF-NC (153.8 °C) and Pd/C (201.5 °C) under atmospheric pressure. …”
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390
Prospects Of Amino Acids And Ionic Liquids As Natural Gas Hydrate Inhibitors For Offshore Flow Assurance
Published 2018“…The results show that the selected amino acids and ionic liquids exhibit dual functional behaviour by providing the temperature shift of around 1.5-2.3 oC and delaying the hydrate formation time from 0.5-1.5 hr. …”
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391
Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar
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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392
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393
Experimental Investigation of Foam drilling fluid using Visualization Technique
Published 2021“…The experiments were conducted in a 6.16 m long horizontal pipe with 2.5 in. inner diameter and 4.5 in. outer diameter and annular diameter ratio of 1.8. …”
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394
Isothermal crystallization kinetics and morphology of double crystalline PCL/PBS blends mixed with a polycarbonate/MWCNTs masterbatch
Published 2019“…The nanocomposites contained 1.0 and 4.0 wt% MWCNTs. The blends showed a sea-island morphology typical of immiscible blends. …”
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395
Changes In Biomass Gain, Protein Content And Hormonal Levels In Wheat Kernels In Response To Soil Drench With Sodium Salicylate
Published 1992“…Drenching of soil with sodim salycylate (800,4000 and 8000mg/l) increased grain f. wt. and d. wt. Protein content was increased in grains at days 23 and 60 with 800 mg/1 salicylate. …”
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396
Improved flexible, controlled dielectric constant material from recycled LDPE polymer composites
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%). Tensile properties, Hardness, scanning electron microscopy (SEM) thermo gravimetric analysis, differential scanning calorimetry and dielectric properties were studied for these composites. 4 wt% Al2O3/RLDPE composites showed the optimum values of 15.52, 180.8 and 59.72 MPa for the tensile strength, tensile modulus and hardness were reported. …”
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397
Tribological studies of nanomodified mineral based multi-grade engine oil
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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398
Modelling of the flow behaviour of wrought aluminium alloys at elevated temperatures by a new constitutive equation
Published 2014“…The calculation indicated that the activation energy for hot working decreased from 218 to 198kJmol−1 in the considered range of strain.…”
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