Showing 1 - 20 results of 22 for search '(( 50 ms decrease ) OR ((( _ wet decrease ) OR ((( _ uv decrease ) OR ( m fe decrease ))))))', query time: 0.12s Refine Results
  1. 1

    Effect of UV Ageing on the fatigue life of bulk polyethylene by Hamza Lamnii (18806002)

    Published 2018
    “…The results show an important decrease of the fatigue limit with increasing absorbed UV irradiation dose.…”
  2. 2

    Effective removal of phenol from wastewater using a hybrid process of graphene oxide adsorption and UV-irradiation by Mohammad A. Al-Ghouti (8882054)

    Published 2022
    “…Moreover, increasing the temperature caused the adsorption capacity to decrease and the thermodynamic results showed that the adsorption processes were feasible and spontaneous for GO1 (with and without UV exposure), and GO2 (only with UV exposure).…”
  3. 3

    Effects of UV Radiation on Germination, Growth, Chlorophyll Content, and Fresh and Dry Weights of Brassica rapa L. and Eruca sativa L. by Hussan Ara Begum (17542320)

    Published 2021
    “…Some seeds of Brassica rapa L. and Eruca sativa L. were placed in petri plates, and were exposed to UV light for 30, 60 and 120 mins daily. The source of UV light was a UV box having a UV Tube. …”
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    Mirizzi Syndrome: Mastering the Challenge, Characterization and Management Outcomes in a Retrospective Study of 60 Cases by Yousef Yahia (19756989)

    Published 2024
    “…Laparoscopic cholecystectomy was the most common surgical approach (76.7%), particularly in type 1 (79.6%), and decreased to 50% in advanced types. Hepaticojejunostomy was more common in the advanced types.…”
  6. 6

    Investigation of the structural, optical and gas sensing properties of PANI coated Cu–ZnS microsphere composite by Hemalatha Parangusan (6556133)

    Published 2020
    “…The emission peaks obtained in photoluminescence spectra confirm the presence of surface defects in the prepared composite. The UV-DRS study shows that the bandgap of the samples is found to decrease for the PANI/Cu–ZnS composite compared to the pure Cu–ZnS sample. …”
  7. 7

    Improved properties and salt rejection of polysulfone membrane by incorporation of hydrophilic cobalt-doped ZnO nanoparticles by Muneer M. Ba-Abbad (14151660)

    Published 2024
    “…<p dir="ltr">In this study, the nanoparticles (NPs) of ZnO and Co<sup>2+</sup> ions doped ZnO (doped ZnO) were incorporated into a matrix of polysulfone (PSf) membranes to enhance their surface properties prepared using a simple wet phase inversion technique. The hybrid PSf membranes were fabricated with 0.5 wt. % of ZnO and doped ZnO NPs. …”
  8. 8

    Control of the Speed of a Light-Induced Spin Transition through Mesoscale Core-Shell Architecture by Slimani, Ahmed

    Published 2018
    “…A series of photomagnetic coordination polymer core-shell heterostructures, based on the light-switchable RbaCob[Fe(CN)6]c·mH2O (RbCoFe-PBA) as core with the isostructural KjNik[Cr(CN)6]l·nH2O (KNiCr-PBA) as shell, are studied using temperature-dependent powder X-ray diffraction and SQUID magnetometry. …”
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  9. 9

    Formation of Trihalomethanes during Seawater Chlorination by Ahmed Abdel-Wahab (1748986)

    Published 2010
    “…Chlorination of seawater has shown significant increase in total THMs (TTHMs) and in bromoform concentrations. Rapid decrease of UV absorbance at 254 nm was also observed during seawater chlorination which is indicative of natural organic matter degradation into small organic molecules including THMs and other by-products. …”
  10. 10

    Structural and physical properties of the dust particles in Qatar and their influence on the PV panel performance by Brahim Aïssa (14157243)

    Published 2016
    “…The dust particles were collected directly from the PV panels installed in desert environment and characterized by different techniques, including scanning electron, optical and atomic force microscopies, X-ray diffraction, energy-dispersive, UV-Vis, micro-Raman and Fourier transform infrared spectroscopy. …”
  11. 11

    Antibody‐based methods for the measurement of α‐synuclein concentration in human cerebrospinal fluid – method comparison and round robin study by Brit Mollenhauer (482499)

    Published 2018
    “…Pilot data on an immunoprecipitation mass spectrometry (IP‐MS) method is also presented. Our results suggest that the four immunochemical methods and the IP‐MS method measure similar forms of α‐synuclein and that a common reference material would allow harmonization of results between immunoassays.…”
  12. 12

    Comprehensive thermoeconomic, exergoeconomic, and optimization analyses of direct oxy‐combustion supercritical CO<sub>2</sub> intercooled and reheated cycles under design and off‐d... by Wahib A. Al‐Ammari (18877408)

    Published 2022
    “…At optimized conditions (<i>P</i><sub>c,o</sub> = 30 MPa, Pc,o = 8 MPa, TIT = 744°C, CIT = 30°C [wet‐cooling]), the ICC shows superior energetic performance (52.08%) compared to 47.97% for DRC, 49.20% for PIC, and 48.62% for RHC. …”
  13. 13

    An Experimental Investigation of the Effects of Dressing and Grinding Parameters on Sustainable Grinding of Inconel 738 Used for Automated Manufacturing by Mohammadjafar Hadad (17541345)

    Published 2023
    “…The results indicate that the MQL technique increases the grinding performance of Inconel 738 by reducing ground workpiece surface roughness and decreasing the coolant–lubricant consumption comparing to the conventional wet grinding process. …”
  14. 14

    Analyzing the effectiveness of various coatings to mitigate photovoltaic modules soiling in desert climate by Alaa Elsafi (22282354)

    Published 2024
    “…Soiling was measured in terms of loss in light <u>transmittance</u>, measured by UV–Vis spectroscopy, and increase in surface coverage area, measured using optical microscopy. …”
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    Investigation of the Sustainable Production and Utilization of Biochar and Activated Carbon From Waste by Farah Yousef Taher Obar (19938288)

    Published 2023
    “…Out of the many food wastes, spent coffee grounds (SCG) comprise almost 15 million tons on a wet basis. Other significant solid wastes generated in Qatar include animal manures, and sewage waste. …”
  17. 17

    Impacts of twenty years of experimental warming on soil carbon, nitrogen, moisture and soil mites across alpine/subarctic tundra communities by Juha M. Alatalo (2931234)

    Published 2022
    “…Long-term warming also caused loss of nitrogen, carbon and moisture from the mineral soil layer in mesic meadow, but not in wet meadow or heath or from the organic soil layer. …”
  18. 18

    The Trace Element Composition of Size Fractionated Suspended Particulate Matter Samples from the Qatari EEZ of the Arabian Gulf: The Role of Atmospheric Dust by Oguz Yigiterhan (14151006)

    Published 2019
    “…Size fractioned suspended particles were collected using net-tows with mesh sizes of 50 μm (phytoplankton) and 200 μm (zooplankton) to examine the composition of plankton populations. …”
  19. 19

    Optoelectronic properties of highly porous silver oxide thin film by Ahmad Al-Sarraj (17151007)

    Published 2021
    “…AgNWs based thin films were characterized using X-ray diffraction, scanning electron microscope, transmission electron microscope, X-ray photoemission spectroscopy, and UV–Vis spectroscopy techniques. The obtained results indicate the formation of mixed mesoporous Ag<sub>2</sub>O and AgO NW thin films. …”
  20. 20

    Sulfobetaine-based polydisulfides with tunable upper critical solution temperature (UCST) in water alcohols mixture, depolymerization kinetics and surface wettability by Jozef Kollár (8121347)

    Published 2021
    “…The regeneration of monomers from the polymers in response to external stimuli was examined using UV–vis and circular dichroism (CD) spectroscopy. …”