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steer » steel (Expand Search)
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641
Towards understanding the effects of climatic and environmental factors on solar PV performance in arid desert regions (Qatar) for various PV technologies
Published 2012“…Results obtained show that mono-crystalline PVs have efficiencies as high as 85% compared to 70% for amorphous ones. Also, dust accumulation degrades more critically the efficiency of amorphous and mono-crystalline silicon PVs than the panel's temperature or relative humidity. …”
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642
Development and in Vitro Testing of a Nitric Oxide Nanoparticle Carrier for Acute Lung Injury
Published 2020“…Also NO secretion was shown to decrease stiffness in various tissue types which can aid as a treatment of conditions like ARDS.One issue with using NO is that the life-time is too short so the treatment is not very effective. …”
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643
Processing, characterization and modeling of recycled polypropylene/glass fibre/wood flour composites
Published 2014“…Polypropylene (PP) is one of the most common thermoplastic materials in the world. …”
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644
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645
A resource provisioning framework for bioinformatics applications in multi-cloud environments
Published 2018“…However, the lack of standards in cloud computing leads to interoperability issues among the providers rendering the selected one unalterable. Furthermore, even a single provider offers multiple configurations to choose from. …”
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646
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647
Effects of covid-19 lockdown on physical activity, sedentary behavior, and satisfaction with life in Qatar: A preliminary study
Published 2021“…The largest reduction was detected for the sum parameter all physical activity (minutes per week, ηp2 = 0.67, p < 0.001; MET (metabolic equivalent of task)-minutes/week, ηp2 = 0.69, p < 0.001). Life satisfaction decreased, with the score for “I am satisfied with my life” (ηp2 = 0.76, p < 0.001) decreasing from 28.1 ± 4.81 to 14.2 ± 6.41 arbitrary units (AU). …”
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648
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649
Gas Driven Fracture during Gas Production using HeleShaw Cell
Published 2018“…The gap between the two sheets is maintained using filter sheets that have a thickness of 1/16 in. (1.6 mm) at the boundaries. Fluids flow radially between the sheets through a port in the middle of the bottom sheet. …”
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650
Towards a Comprehensive Study of Fatigue Deducing Techniques for Evaluating the Quality of Experience of Haptic-Visual Applications
Published 2020“…Undesirable muscular fatigue decreases the overall Quality of Experience (QoE) of such systems. …”
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651
EFFECT OF PHENOL AS A CONTAMINANT ON THE WILD PEARL OYSTER PINCTADA IMBRICATA RADIATA IN QATAR: ECOTOXICOLOGICAL APPROACH AND USE OF OYSTER SHELL STRUCTURE AS A POTENTIAL MITIGATIO...
Published 2022“…The phenol desorption was 97.44% and 98.64% by reacting 0.1 M NaOH and 0.1 M HCl respectively.…”
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652
Modeling of dual-metal Schottky contacts based silicon micro and nano wire solar cells
Published 2014“…The most efficient photovoltaic behavior is found to occur when one metal makes a Schottky contact with the wire, and the other makes an Ohmic contact. …”
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653
Repositioning of the global epicentre of non-optimal cholesterol
Published 2020“…High blood cholesterol is typically considered a feature of wealthy western countries1,2. However, dietary and behavioural determinants of blood cholesterol are changing rapidly throughout the world3 and countries are using lipid-lowering medications at varying rates. …”
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654
Energy recovery and nutrients recycling from municipal sewage sludge
Published 2020“…With the increase in HTL reaction time, the concentration of nitrogen in the APL increased (5.1 to 6.8 mg/L) while the concentration of phosphorus decreased (0.89 to 0.22 mg/L); the opposite was observed for the biochar. …”
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655
Palestinian import - export trade modeling For the period 1968-1998, an application of seemingly unrelated regression equations
Published 2008“…Clearly, empirical results depicts gains of employing with SURE estimation in a comparison with OLS estimation one in terms of both estimated coefficients (trade elasticities) and equations explanatory power (trade variations). …”
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Multilayer Reversible Data Hiding Based on the Difference Expansion Method Using Multilevel Thresholding of Host Images Based on the Slime Mould Algorithm
Published 2022“…Therefore, a reversible data hiding (RDH) technique is required. One of the well-known designs of RDH is the difference expansion (DE) method. …”
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659
Global, regional, and national burden of upper respiratory infections and otitis media, 1990–2021: a systematic analysis from the Global Burden of Disease Study 2021
Published 2024“…The global all-age incidence rate of URIs decreased by 10·1% (–12·0 to –8·1) from 1990 to 2019. …”
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660
High flow nasal oxygen (HFNO) in the treatment of COVID-19 infection of adult patients from – An emergency perspective: A systematic review and meta-analysis
Published 2023“…Our statistical analysis has shown that significantly lower ROX index (5.07 ± 1.66, p = 0.028) and PaO2/FiO2 (100 ± 27.51, p = 0.031) are associated with HFNO failure, while a significantly lower respiratory rate (RR) (23.17 ± 4.167, p = 0.006) is associated with HFNO success. …”
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