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السجلات المعروضة 41 -- 50 من 514
Changes in plant composition and diversity in an alpine heath and meadow after 18 years of experimental warming
(
Springer
, 2021 , Article)
Global warming is expected to have large impacts on high alpine and Arctic ecosystems in the future. Here we report effects of 18 years of experimental warming on two contrasting high alpine plant communities in subarctic ...
Assessment of SnO2 nanoparticles' impact on the growth of Picochlorum maculatum algae
(
Royal Society of Chemistry
, 2022 , Article)
To determine the effect of SnO2 nanoparticles on Picochlorum maculatum - isolated from a Qatar marine environment, algal growth media are amended with different nanoparticle concentrations (1, 5, 25, 50, and 100 mg L−1) ...
Isolation and characterization of a newly naphthalene degrading Halomonas pacifica, strain Cnaph3: biodegradation and biosurfactant production studies
(
Springer Verlag
, 2020 , Article)
A newly marine Halomonas pacifica strain Cnaph3 was isolated, as a naphthalene degrader and biosurfactant producer, from contaminated seawater collected in Ataya's fishing harbor, located in Kerkennah Islands, Tunisia. ...
Influence of pH on chloride binding isotherms for cement paste and its components
(
Elsevier
, 2021 , Article)
In this paper, chloride (Cl−) binding isotherms are developed for cement hydration compounds, specifically, calcium-silicate-hydrates (CSH) and AFm phases including mono-sulfate aluminate, hydroxy-AFm, monocarbonate-AFm, ...
Comprehensive assessment and evaluation of correlations for gas-oil ratio, oil formation volume factor, gas viscosity, and gas density utilized in gas kick detection
(
Elsevier B.V.
, 2021 , Article)
For reliable gas kick detection modeling and simulation, the PVT properties of the gas must be predicted accurately. The property correlations available in open literature are developed mostly for certain regions and ...
Sawdust-based superhydrophobic pellets for efficient oil-water separation
(
Elsevier Ltd
, 2020 , Article)
Severe water pollution by means of oil is the major issue worldwide. Emerging materials like superhydrophobic surfaces have shown immense potential to control this issue. Herein we utilized low-cost Sawdust-Polystyrene (SD ...
The role of cellulose nanofibrillated fibers produced with combined supercritical carbon dioxide and high-pressure homogenization process as reinforcement material in biodegradable polymer
(
John Wiley and Sons Inc
, 2021 , Article)
The production of kenaf bast cellulose nanofibrillated fiber (CNF) using a combined method of supercritical carbon dioxide (SC-CO2) and high-pressure homogenization as the reinforcement with biopolymer were studied. The ...
Structural and mechanical characterization of stir cast Al–Al2O3–TiO2 hybrid metal matrix composites
(
SAGE Publications Ltd
, 2020 , Article)
The present paper reports the effect of aluminium oxide and titanium oxide reinforcement on the properties of aluminium matrix. Aluminium matrix reinforced with aluminium oxide?titanium oxide (2.5, 5.0, 7.5 and 10 wt.%) ...
Social media usage and support for women in community leadership: Evidence from Qatar
(
Elsevier
, 2020 , Article)
Is social media usage related to the acceptance of Arab women in community leadership? Since the Arab Spring, many have linked information communication technology (ICTs) with fast-moving political transitions, but their ...
Sample-Based Data Augmentation Based on Electroencephalogram Intrinsic Characteristics
(
Institute of Electrical and Electronics Engineers Inc.
, 2022 , Article)
Deep learning for electroencephalogram-based classification is confronted with data scarcity, due to the time-consuming and expensive data collection procedure. Data augmentation has been shown as an effective way to improve ...