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a decrease » _ decrease (Expand Search), _ decreased (Expand Search), _ decreases (Expand Search)
a steel » _ steel (Expand Search)
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401
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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402
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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403
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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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405
Shear Behavior of Green Concrete Beams Reinforced with Basalt FRP Bars and Stirrups.
Published 2020“…The parameters investigated in this study are span to depth ratio (i.e. a/d =2.5 and 3.5), reinforcement ratio , stirrups spacing effect (i.e. 250 mm and 350 mm) and stirrups type (Steel and Basalt). …”
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406
INVESTIGATION OF SPATIOTEMPORAL VARIABILITY AND CONTAMINATION OF PLASTIC MARINE DEBRIS IN QATAR’S COASTAL WATERS
Published 2015“…There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. …”
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407
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408
Experimental and numerical investigations on axial crushing of square cross-sections tube with vertical wave
Published 2020“…To experimentally create corrugation to validate the numerical results, a set of steel mandrel and matrix along with press machines were used. …”
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409
Self-healing performance of smart coatings modified with different corrosion inhibitors.
Published 2020“…EIS measurements revealed the decent corrosion inhibition efficiency of these inhibitors in order of DDA>NMTU. As a result, they are a favorable solution for longer endurance of coated piping steel and decreased operation expense contributing to economic saves, materials reliability and safety…”
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410
Investigation of Spatiotemporal Variability of Microplastics in Qatar's Cstal Environment
Published 2016“…There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. …”
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411
Mobile Epifauna Associated To Artificial Substrates In Offshore Qatari Waters
Published 2019“…Multivariate analysis for abundance and biomass showed that both Site and Depth, as well as their interaction, had significant effects on the mobile macrofaunal community. A general trend of total abundance and average number of taxa decreasing with depth was observed, although with some notable exceptions. …”
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412
Molecular dynamics of CH4/CO2 on calcite for enhancing gas recovery
Published 2022“…These results highlight how the CO2 geometry of adsorption is well defined and characterized by strong interaction, while methane adsorption is quite loose and depicts a very dynamic picture. Focusing on the effect of pressure, RDF peaks intensities increase, although this effect is limited to the 1-5 MPa range. …”
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413
CLINICAL AND ECONOMIC IMPACT OF GENETIC AND NON-GENETIC FACTORS ON INR NORMALIZATION IN PRE-OPERATIVE MANAGEMENT OF WARFARIN PATIENTS
Published 2021“…To optimize the period of preprocedural warfarin interruption to decrease the incidence of bleeding in case of bridging and the incidence of thromboembolism in case of non-bridging, a study was conducted to determine the influence of CYP2C9, VKORC1, CYP4F2, FII, and FVII genetic polymorphisms and non-genetic factors on INR decline in a cohort of Arabs undergoing a procedure that requires warfarin interruption and developing an algorithm to tailor the duration of warfarin interruption before the procedure. …”
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414
Effect of Magnetic Baffles and Magnetic Nanofluid on Thermo-Hydraulic Characteristics of Dimple Mini Channel for Thermal Energy Applications
Published 2022“…The increment changed to 1.82%, 8.16%, and 22.31% for a pitch = 5 mm and 1.01%, 5.96%, and 21.38% for a pitch = 2.5 mm. …”
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415
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417
Utilizing Recycled Polypropylene Fibers as Reinforcement for Concrete Beams
Published 2020“…The various fiber content ratios tested in this investigation are 0.25, 0.5 and 1%. Based on the results of this study, the presence of recycled PP fibers in concrete decreases its workability; the addition of an adequate superplasticizer to the concrete mix becomes then necessary. …”
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418
Effect of electroless bath composition on the mechanical, chemical, and electrochemical properties of new NiP-C 3 N 4 nanocomposite coatings
Published 2019“…An electroless bath of 0.5 g L−1 C3N4 offered a nanocomposite coating with the highest microhardness and superior corrosion resistance. …”
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419
Experimental and numerical investigation of the flexural behavior of one-way RC slabs strengthened with near-surface mounted and externally bonded systems
Published 2024“…In contrast, the slabs reinforced with EB experienced a decrease in ductility ranging from 38 % to 50 %. …”
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420
Climatology and variability of wind speeds along the southwest coast of India derived from Climate Forecast System Reanalysis winds
Published 2022“…The study reveals significant decreasing trends in annual mean wind speeds, of the order of −2.0 to −2.5 cm·s−1·year−1, for the period 1979–2019. …”
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