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421
Analysis of dopant diffusion in molten germanium induced by pulsed nd : yag laser
منشور في 1995"…A monotonic decrease in the sheet rcsostance with increasing energy density for all values of E > 10 J/cm2. …"
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422
Yerba Maté (Illex Paraguariensis) ingestion augments fat oxidation and energy expenditure during exercise at various submaximal intensities
منشور في 2014"…These changes were combined with a trend towards a decrease in BLC (P = 0.066), and without a significant difference inV˙O2peak, peak power, peak RER, or peak BLC. …"
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423
Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar
منشور في 2022"…The data for 2020/21 showed a 35.1% and 29.2% decrease in depression and anxiety symptoms scores compared to pre-pandemic years (2017/2018) after adjusting for sociodemographic factors. …"
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424
Evacuated tube heat pipe solar collector for Encontech engine-driven reverse osmosis solar desalination
منشور في 2020"…Both energetic and exergetic efficiencies exhibit upper values at A co/A abs ratio up to 1. Further increment in this ratio up to 3 resulted in a decrease in the efficiency of the ETHPSC.…"
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425
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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426
Short-term greenhouse emission lowering effect of biochars from solid organic municipal wastes
منشور في 2018"…A significant decrease in CO2 emission was observed in vials with soil–biochar mixtures, especially for biochars produced at 500 °C compared the corresponding raw materials which exhibited an exponential increase in the CO2 emission. …"
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427
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428
Effect of concentration of DOC loaded TiO 2 nanotubes on the corrosion behavior of smart coatings
منشور في 2019"…Various contents of the encapsulated TiO2 nanotubes (1, 3 and 5 wt%) were thoroughly dispersed into the epoxy matrix and the resulting composites were then applied on a cleaned steel substrate using doctor blade technique to develop smart coatings. …"
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429
Tobacco control in the Eastern Mediterranean region: implementation progress and persisting challenges
منشور في 2022"…Tobacco use is the leading cause of preventable mortality worldwide, projected to claim 1 billion lives in the twenty-first century.1 Tobacco prevalence rates are expected to decrease across all the WHO regions by 2025 as a result of tobacco control efforts. …"
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430
Mechanical and microstructure characterization of hard nanostructured N-bearing thin coating
منشور في 2015"…The main problem with steel, is that it exhibits a relatively low hardness (below 10GPa) which strongly decreases upon annealing above about 600K. …"
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431
Development of pH-Controlled Aluminum-Based Polymeric Gel for Conformance Control in Sour Gas Reservoirs
منشور في 2020"…The results reveal that aluminum acetate, among the screened salts, has a controllable gelation time at pH conditions between 3.5 and 8.5 and is the most stable in the temperature range 25–100 °C. …"
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432
Tailoring electrocatalytic properties of Pt nanoparticles grown on Ti3C2Tx MXene surface
منشور في 2019"…Composites containing 14 wt% Pt showed HER with an onset potential of −75.9 mV and a current density of −10 mA cm−2 achieved at −226 mV. …"
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433
Integrated planning of spare parts and service engineers with partial backlogging
منشور في 2017"…In a numerical study, we show that for problems with more than five types of spare parts it is preferable to use approximate evaluations as they become significantly faster than exact evaluation. …"
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434
Dynamic Imaging of Hydrate Specific Area Evolution during Xenon Hydrate Formation
منشور في 2020"…During hydrate formation and dissociation, full 3D images are acquired at a time resolution of 45 seconds and a spatial resolution of 5.38 ?…"
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435
Utilization of Emergency Services by Children with Asthma in Qatar
منشور في 2022"…Respiratory diseases are the most common conditions seen in Pediatric Emergency Centers (PECs) in Qatar. 2 The five PECs are an essential point of healthcare access for severely sick children, however, many people utilize them for potentially preventable reasons. 3 Methods: This was a quantitative retrospective observational study of children with asthma utilizing the five PECs during 2019. …"
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436
Reinforcement of polyacrylamide-co-tert-butyl acrylate base gel using nanosilica for conformance control at low and high reservoir temperatures
منشور في 2020"…Therefore, this study introduces a new polymeric formulation that serves as a water shut-off agent for reservoirs at low and high temperatures. …"
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437
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438
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439
Low electro-synthesis potentials improve permselectivity of polymerized natural phenols in biosensor applications
منشور في 2017"…The natural phenol-coated electrodes were stable and responsive throughout 14 days. A biosensor prototype based on acetylcholine esterase and choline oxidase was electro-coated with poly-magnolol in order to evaluate the interference-rejecting properties of the electrosynthesized film in an amperometric biosensor; a moderate decrease in ascorbic acid rejection was observed during in vitro calibration of biosensors.…"
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440
Overconfident results with the bivariate random effects model for meta-analysis of diagnostic accuracy studies
منشور في 2022"…In 2001, Rutter and Gatsonis proposed the hierarchical summary receiver operating characteristic (HSROC) model,1 and in 2004 Macaskill described an empirical Bayes approach.2 Soon after, in 2005, Reitsma et al. proposed the bivariate random effects model,3 which has been widely adopted and is the most commonly used method for diagnostic meta-analysis.4 However, as pointed out by Diaz,5 the statistical performance of the bivariate model has not been scrutinized. …"
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