Advanced direct air capture of CO₂ using air conditioning systems: a life cycle assessment حسب Namra Mir (17017734)

"…<p dir="ltr">Rising global temperatures and deteriorating urban air quality underscore the urgent need for effective carbon removal technologies. …"

Efficient Integration of Direct Air Capture With HVAC System حسب Yasser Mohamed Mohamed Taher Abdellatif (20741534)

"…<p dir="ltr">Direct Air Capture (DAC) is a pivotal negative emissions technology uniquely capable of capturing CO₂ from unaddressed sources such as transportation, construction, and agriculture. …"

Experimental investigation of double-pipe heat exchangers in air conditioning applications حسب Saud Ghani (7205633)

"…By increasing the DIW flowrate in the evaporator, the compressor work was shown to decrease, while the COP was shown to increase. In comparison with a standard rated air conditioning unit, using a double-pipe evaporator and condenser units with the maximum DIW flowrates resulted in a decrease of about 53% in the compressor work and a similar percentage of increase in the system COP.…"

Correlating the rheological and magneto-optical properties of cobalt substituted magnetite ferrofluids (Co_xFe_1−xFe₂O₄) with theoretical... حسب Blessy Babukutty (17871482)

"…An environmental friendly method of co-precipitation is applied to generate Co_xFe_1−xFe₂O₄ with variable dopant concentration (x = 0–0.8), which is deeply investigated by structural and functional property analyses of the ferrofluids. …"

Removal of Benzene and Toluene from Synthetic Wastewater by Adsorption onto Magnetic Zeolitic Imidazole Framework Nanocomposites حسب George Z. Kyzas (740387)

"…Thus, by performing the present study, the potential of Fe₃O₄/zeolite imidazolate framework nanoparticles (Fe₃O₄@ZIF-8) was evaluated for the adsorption of benzene and toluene. …"

Assessment of High-resolution Local Emissions and Land-use in Air Quality Forecasting at an Urban, Coastal, Desert Environment حسب Christos Fountoukis (4722963)

"…The use of the local emissions allowed for a significant improvement in the representation of air quality levels in the city. The overall forecast error decreased from –51% to 8% for PM2.5 and from –88% to 20% for NOx while a significant improvement was observed in the diurnal profile of predicted ozone. …"

Life cycle assessment of compressed air, vanadium redox flow battery, and molten salt systems for renewable energy storage حسب Manal AlShafi (14778373)

"…The global warming potentials of compressed air and vanadium redox flow battery decrease by 0.599 and 0.420 kg CO₂ eq,/kWh, respectively in case photovoltaic electricity is stored instead of grid electricity. …"

Global, regional, and national burden of household air pollution, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021 حسب Fiona B, Bennitt

"…BackgroundDespite a substantial reduction in the use of solid fuels for cooking worldwide, exposure to household air pollution (HAP) remains a leading global risk factor, contributing considerably to the burden of disease. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

A new insight into the separation of oil from oil/water emulsion by Fe₃O₄–SiO₂ nanoparticles حسب Wamda Faisal Elmobarak (17058024)

"…For the oil recovery process, the Fe₃O₄ was applied for the inhibition (i.e., decrease) of oil sedimentation, and the SiO₂ NPs were applied for wettability alteration and IFT reduction. …"

A Multidecadal Assessment of Haze Development and Fluctuations in Visibility for Arabian Peninsula حسب Luqman Atique (16036586)

"…The UAE data shows strong seasonal spikes in visibility, with peaks of about 2 km. IRQ air quality was severely misty on days when visibility was approximately 0.4 km. …"

Application of Fe₃O₄ magnetite nanoparticles grafted in silica (SiO₂) for oil recovery from oil in water emulsions حسب Wamda Faisal Elmobarak (17058024)

"…<p dir="ltr">In this study, an innovative magnetic demulsifier (MD) was prepared by grafting a silica layer onto the surface of the Fe₃O₄ magnetic nanoparticles (MNPs) using the modified Stober process. …"

Application of Zn-ferrite towards thermochemical utilization of carbon dioxide: A thermodynamic investigation حسب Rahul R. Bhosale (6467102)

"…The decrease in the reduction temperature is significant when the ratio of the molar flow rate of inert sweep gas to the molar flow rate of ZnFe₂O₄ increases from 10 to 30. …"

Long-Haul Northeast Travel Disrupts Sleep and Induces Perceived Fatigue in Endurance Athletes حسب Christopher J. Stevens (3391547)

Assessment of tropospheric NO₂ concentrations over greater Doha using Sentinel-5 TROPOspheric monitoring instrument (TROPOMI) satellite data: Temporal analysis, 2018–202... حسب Yasir E. Mohieldeen (22155901)

The global, regional, and national burden of oesophageal cancer and its attributable risk factors in 195 countries and territories, 1990–2017: a systematic analysis for the Global... حسب Farin Kamangar (63964)

"…Between 1990 and 2017, age-standardised incidence decreased by 22·0% (18·6–25·2), mortality decreased by 29·0% (25·8–32·0), and DALYs decreased by 33·4% (30·4–36·1) globally. …"

Performance comparison of different flow arrangements of 4-fluid internally-cooled liquid desiccant dehumidifiers حسب Ali Pakari (14158902)

"…The results showed that the best performance, in terms of the supply air humidity ratio and enthalpy decrease, was obtained when the supply air was in counter-flow with the exhaust air, liquid desiccant, and water. …"

Insights on the effect of water content in carburizing gas mixtures on the metal dusting corrosion of iron حسب El Tayeb Bentria (9904024)

"…At later stage, the formation of oxide scale leads to an elevated concentration of H₂O/OH molecules on the surface due to the decrease in Fe affinity to dissociate water. This results into blocking the Fe catalytic sites leading to lower C and O diffusion to the bulk of the sample.…"

Mirizzi Syndrome: Mastering the Challenge, Characterization and Management Outcomes in a Retrospective Study of 60 Cases حسب Yousef Yahia (19756989)

"…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.…"

Exploring urban growth–climate change–flood risk nexus in fast growing cities حسب Salah Basem Ajjur (14150967)

"…Surveying showed that, between 1984 and 2020, urban areas grew by 777%, and bare lands decreased by 54.7%. In addition, Doha witnessed various climatic changes with a notable increase in air temperature (+ 8.7%), a decrease in surface wind speed (− 19.5%), and a decrease in potential evapotranspiration losses (− 33.5%). …"

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

"…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.…"