بدائل البحث:
a decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
2 step » a step (توسيع البحث), _ step (توسيع البحث)
meter » meters (توسيع البحث), peter (توسيع البحث)
a decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
2 step » a step (توسيع البحث), _ step (توسيع البحث)
meter » meters (توسيع البحث), peter (توسيع البحث)
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381
Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy
منشور في 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
The Structure of the Free Volume in Poly(styrene-co-acrylonitrile) from Positron Lifetime and Pressure Volume Temperature (PVT) Experiments
منشور في 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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383
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384
Higher egg consumption associated with increased risk of diabetes in Chinese adults - China Health and Nutrition Survey.
منشور في 2020"…Egg consumption at each survey was assessed by a 3-d 24-h recall and weighed food record methods. …"
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385
Cold Plasma as Effective Tool for Aluminum Surface Cleaning
منشور في 2016"…In the final step, two layers of foils are wounded together and rolling oil is sprayed between the two layers and the -twin foil- is rolled down. …"
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386
Effects of Turbulence Intensity and Biogas Composition on the Localized Forced Ignition of Turbulent Mixing Layers
منشور في 2019"…The biogas is represented by a CH4 /CO2 mixture and a two-step mechanism involving incomplete oxidation of CH4 to CO and H2 O, and an equilibrium between the CO oxidation and the CO2 dissociation has been used. …"
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387
Low cost microcontroller-based inverter integrated in PV systems
منشور في 2013"…This would increase the efficiency and decrease the leakage current. The control strategy of the proposed topology is based on a low cost microcontroller interfaced to two drivers to step up the MOSFETs gate voltages. …"
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388
Solar hydrogen production via erbium oxide based thermochemical water splitting cycle
منشور في 2016"…The erbium oxide based water splitting (Eb-WS) cycle was thermodynamically studied by using the HSC Chemistry software and databases. The first step of the Eb-WS cycle involves thermal reduction of Er2 O3, whereas the second step corresponds to the production of H2 via water splitting reaction. …"
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389
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390
Mixed Solid Municipal Waste-Based Biochar for Soil Fertility and Greenhouse Gas Mitigation
منشور في 2016"…Municipal solid waste management is one of the major challenges facing Qatar with more than 2.5 million tons of municipal solid waste each year, a very high waste generation rate in a country with small land mass. …"
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391
Molecular dynamics of CH4/CO2 on calcite for enhancing gas recovery
منشور في 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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392
CLINICAL AND ECONOMIC IMPACT OF GENETIC AND NON-GENETIC FACTORS ON INR NORMALIZATION IN PRE-OPERATIVE MANAGEMENT OF WARFARIN PATIENTS
منشور في 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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393
Effect of Magnetic Baffles and Magnetic Nanofluid on Thermo-Hydraulic Characteristics of Dimple Mini Channel for Thermal Energy Applications
منشور في 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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394
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395
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396
Hydrogen Production via Ethanol Decomposition over Bimetallic Catalyst
منشور في 2016"…The reaction between NH3 and HNO3 released during decomposition of glycine and metal nitrate respectively produces the energy required for single step combustion synthesis. At higher value of φ, the reactive medium generates H2 rich reducing environment to convert metal oxide to metallic form Bimetallic CuCo were synthesized from the aqueous solution of cobalt nitrate (Co(NO3)2·6H2O), copper nitrate (Cu(NO3)2·6H2O) and glycine (C2H5NO2) in solution combustion synthesis (SCS) method using a fuel to oxidizer ratio of φ 0.5, 1, 1.75 and 2.5. …"
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397
Solar thermochemical ZnO/ZnSO4 water splitting cycle for hydrogen production
منشور في 2017"…In step-1, the ZnSO4 is thermally decomposed into ZnO, SO2, and O2 using solar energy input. …"
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398
Climatology and variability of wind speeds along the southwest coast of India derived from Climate Forecast System Reanalysis winds
منشور في 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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399
Modification of Pd/CeO2 catalyst by Atomic Layer Deposition of ZrO2
منشور في 2016"…Methane-oxidation rates in 0.5% CH4 and 5% O2 were slightly lower on the ZrO2-covered catalyst when both materials were calcined at 673 K but the activity of the ZrO2-modified catalyst did not decrease with catalyst calcination temperature. …"
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400
Effect of serum lipoproteins on stereoselective halofantrine metabolism by rat hepatocytes
منشور في 2012"…Experimental hyperlipidemia has shown to decrease cytochrome P450 3A4 and 2C11 expression and to increase liver concentrations and the plasma protein binding of halofantrine (HF) enantiomers. …"
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