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541
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542
In-Vitro Degradation of Hollow Silica Reinforced Magnesium Syntactic Foams in Different Simulated Body Fluids for Biomedical Applications
منشور في 2020"…This article reports the mechanical and biocorrosion behaviour of hollow silica nanosphere (SiO₂) reinforced (0.5–2 vol.%) magnesium (Mg) syntactic foams. Room temperature tensile properties’ characterization suggests that the increased addition of hollow silica nanospheres resulted in a progressive increase in tensile yield strength (TYS) and ultimate tensile strength (UTS) with Mg-2 vol.% SiO₂ exhibiting a maximum TYS of 167 MPa and a UTS of 217 MPa. …"
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article -
543
Using machine learning algorithm for detection of cyber-attacks in cyber physical systems
منشور في 2022"…Detecting assaults on CPSs, which are increasingly being targeted by cyber criminals and cyber threats, is becoming increasingly difficult. …"
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544
Association Between Three-Months Vitamin D Supplementation and Depressive Symptomatology incidence among Saudi Arabian Adults
منشور في 2022"…When vitamin D was considered as continuous variable, each unit increase in vitamin D levels was associated with a lower depression prevalence (OR=0.87; 95% CI:0.79-0.95, p=0.005) and when compared to those insufficient, those deficient were 4 times more likely to suffer from depression (OR=4.47, 95% CI:1.39-14.38,p=0.012) Nevertheless, these significant results were lost with further adjustment for BMI, MeDi adherence and physical activity: continuous vitamin D: OR=0.90; 95% CI: 0.81-1.01, p=0.08, deficient versus insufficient:OR=2.18; 95% CI: 0.56-8.47,p=0.259). …"
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masterThesis -
545
Piezoelectric properties of zinc oxide/iron oxide filled polyvinylidene fluoride nanocomposite fibers
منشور في 2022"…The nanocomposite fiber based flexible PENG shows piezoelectric output voltage of 5.9 V when 3 wt% of ZnO/FeO hybrid nanomaterial is introduced, which is 29.5 times higher than the neat PVDF. …"
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546
Remediation of chromite ore processing residue using ferrous sulfate and calcium polysulfide
منشور في 2007"…The chemical reduction of Cr(VI) with ferrous iron and sulfides was non-stoichiometric. Four times the stoichiometric amount of ferrous iron of two times the stoichiometric amount of polysulfide were needed to meet both the New Jersey Department of Environmental Protection (NJDEP) regulatory limit of 240 mg/kg for Cr(VI) and EPA TCLP regulatory limit of 5 mg/L for chromium [C,r]. pH adjustment was necessary to prevent the formation of ettringite, a swell causing mineral, upon the introduction of sulfate to the COPR material via ferrous sulfate or calcium polysulfide. …"
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article -
547
Reasons behind the non-application of the activity based costing system in developing countries, case of Lebanon
منشور في 2016"…Two questionnaires are used; the first distributed to ABC system users and the second for non ABC users, also five interviews are conducted with senior level managers. …"
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article -
548
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549
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550
Effect of temperature on the rheological properties of neat aqueous Wyoming sodium bentonite dispersions
منشور في 2017"…The Herschel-Bulkley rheological model fitted extremely well all data. The yield stress increased linearly with temperature by almost three-fold, the flow consistency index decreased exponentially with temperature by almost five-fold and the flow behavior index increased by about 20%, tending towards the Newtonian value. …"
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article -
551
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552
Seasonal variations of trace metal chemical forms in bed sediments of a karstic river in Lebanon
منشور في 2015"…A Tessier-like sequential extraction scheme was applied to samples (< 75 μm) for five locations along a 13 km stretch to the sea. …"
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article -
553
Ethylmalonic aciduria
منشور في 1994"…The acylcarnitine profile in blood of two patients showed a pronounced increase in C4 and C5 carnitine esters. In three patients, biopsies from petechiae indicated absence of an immune event, showing only fresh hemorrhage. …"
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article -
554
Co-occurrence of antibiotic and metal resistance in long-term sewage sludge-amended soils: influence of application rates and pedo-climatic conditions
منشور في 2022"…<p dir="ltr">Urban sewage sludge (USS) is increasingly being used as an alternative organic amendment in agriculture. …"
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555
A Quadratic Non-Isolated High Step-Up Single-Input Dual-Output DC–DC Topology Based on Coupled Inductors with Low Input Current Ripple
منشور في 2025"…The CIs’ turn ratios give another freedom factor to increase the output voltages and decrease the switches’ stress. …"
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556
Evaluation of Greywater as a Sustainable Source of Irrigation for Ornamental Crops in Green Walls—A Study of Plant and Soil Using Ruellia tuberosa
منشور في 2024"…This study investigates using greywater directly to irrigate ornamental species for such situations by examining the effects of freshwater and greywater irrigation on Ruellia tuberosa growth, plant health and soil characteristics. Five replicates for each condition were grown for 91 days. …"
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557
Developing a Model for Selecting Smart Contractors
منشور في 2021احصل على النص الكامل
doctoralThesis -
558
Cargo Delivery Box System for modeling the Last mile of Business to Consumer Logistics
منشور في 2019احصل على النص الكامل
doctoralThesis -
559
The Prevalence and Factors Associated with Low Back Pain Among People with Flat Feet
منشور في 2021"…Results The prevalence of LBP among participants with flat feet was 65.9%, among whom 51.6% suffered ALBP and 48.4% suffered from CLBP. Flat feet increased the chances of having ALBP by 3.28 times and CLBP by 4.5 times. …"
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article -
560
Biochar from food waste: a sustainable amendment to reduce water stress and improve the growth of chickpea plants
منشور في 2022"…The biochar application also increased key soil nutrients K, Mn, S, and P by a factor of 2–9 times. …"