بدائل البحث:
c decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
2 c » 12 c (توسيع البحث), 22 c (توسيع البحث)
c decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
2 c » 12 c (توسيع البحث), 22 c (توسيع البحث)
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361
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362
Electrocoagulation treatment of reject brine effluent from Solvay process
منشور في 2019"…A second-order polynomial model was developed and used to predict the optimum conditions, which were found to be at a 0.2 A/cm2 current density, 36.8°C temperature, and initial Cl− concentration of 7.4 × 103mg/L. …"
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363
Impact of ICTs Diffusion on Environmental Quality in Qatar
منشور في 2019"…Several studies have shown that if no actions are taken in the near future to deal with the problem of global warming in an effective way then it is expected that the average global temperatures will go up by more than 2°C, which is very critical for the quality of life on our planet. …"
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364
Fabrication of Selective Sensors for Hg2+ Traces in Water Using Graphene Decorated with Metal Nanoclusters
منشور في 2016"…Nevertheless, previous studies estimated the allowed amount of inorganic Hg2+ in water to 0.5 ppb [5]. Therefore, the development of sensitive, selective, reliable, and cost effective Hg2+ sensors is needed for medical diagnostic, quality control of food industry, as well as water and environment quality monitoring. …"
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365
Synergistic effects and optimization of nitrogen and phosphorus concentrations on the growth and nutrient uptake of a freshwater Chlorella vulgaris
منشور في 2017"…1 and the maximum biomass produced was decreased more than three-fold to 0.5 g/L. The Box Behnken experimental design and response surface method were used to study the effects of the initial concentrations (P, N and C) on P and N removal efficiencies. …"
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366
Antiferromagnetism in EuPdGe3
منشور في 2014"…EuPdGe3 crystallizes in the BaNiSn3-type tetragonal structure (space group I4mm) with the lattice constants a=4.4457(1)Å and c=10.1703(2)Å. The results are consistent with EuPdGe3 being an antiferromagnet with the Néel temperature TN=12.16(1)K and with the Eu spins S=7/2 in the ab plane. …"
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367
Investigating the effect of the air inlet temperature on the combustion characteristics of a spark ignition engine fueled by biogas
منشور في 2020"…This work has conducted a numerical study using AVL-Boost engine simulation utilizing biogas (CH4 and CO2)–air mixtures in a SI engine model. The effect of varying the air manifold temperature from 25 to 50°C on the combustion characteristics as well as engine performance under full load condition in a SI engine fueled by gasoline and biogas mixtures has been investigated. …"
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368
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369
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370
Association between central obesity indices and iron status indicators among Qatari adults
منشور في 2021"…In both genders, C-reactive protein increased with the increase in all obesity indices. …"
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371
Global burden and strength of evidence for 88 risk factors in 204 countries and 811 subnational locations, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2...
منشور في 2024"…Estimates reported represent the mean value across 500 draws from the estimate's distribution, with 95% uncertainty intervals (UIs) calculated as the 2·5th and 97·5th percentile values across the draws. …"
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372
Low electro-synthesis potentials improve permselectivity of polymerized natural phenols in biosensor applications
منشور في 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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373
Fabrication and Investigation of Graphite-Flake-Composite-Based Non-Invasive Flex Multi-Functional Force, Acceleration, and Thermal Sensor
منشور في 2023"…Sensor impedance was measured from DC to 200 kHz at up to 20 gf, 20 m/s2, and 26–60 °C. Sensor resistance and impedance to stretching force and acceleration at DC and 200 Hz rose 2.4- and 2.6-fold and 2.01- and 2.06-fold, respectively. …"
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374
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375
Use and assessment of “e-plastics” as recycled aggregates in cement mortar
منشور في 2019"…The replacement percentages (RPs) used were 2.5%, 5%, 7.5%, 10% and 12.5%, while the water to cement (w/c) ratio was maintained constant at 0.5 in all tests. …"
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376
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377
Thermally assisted efficient electrochemical lithium extraction from simulated seawater
منشور في 2022"…A higher temperature (i.e., 60 oC) mitigates the activation polarization of lithium intercalation, decreases charge transfer resistances, and improves lithium diffusion. …"
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378
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379
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380
Bariatric Surgery Improves Serum CD40L Levels as a Predictor of Cardiovascular Risk: Systematic Review and Meta-analysis
منشور في 2024"…Circulating levels of CD40L are decreased after bariatric surgery which may represent a mechanism for improvement of metabolic profile.…"
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