Short-term greenhouse emission lowering effect of biochars from solid organic municipal wastes حسب Rehrah D.

"…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. …"
احصل على النص الكامل
احصل على النص الكامل

Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar حسب Khaled, Salma M.

"…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. …"
احصل على النص الكامل
احصل على النص الكامل

Influence of shelf-life duration on mechanical, thermal and shape recovery motion derivatives of shape memory polyurethane حسب Vasavi, Boggarapu

"…In addition, Differential scanning calorimetry (DSC)exhibited a decrease in glass transition temperature (Tg) from S1 to S10, resulting in a corresponding reduction in the rate of shape restoration. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Combined effects of treated domestic wastewater, fly ash, and calcium nitrite toward concrete sustainability حسب Abushanab, Abdelrahman

"…OPC paste and mortar with TWW were first prepared and compared with the permissible limits specified in ASTM C1602/C1602M ? 18 provisions. After that, ten concrete mixes were prepared with different ratios of TWW (0%, 25%, 50%, and 100%), FA (0%, 20%, and 35%), and CN (0% and 3%) and tested for fresh slump and density, compressive and flexural strengths, electrical resistivity, porosity, and chloride permeability. …"
احصل على النص الكامل
احصل على النص الكامل

Modeling of dual-metal Schottky contacts based silicon micro and nano wire solar cells حسب Rabbani, M. Golam

احصل على النص الكامل
احصل على النص الكامل

Utilization of Two Microalgae Species, Synechococcus sp. and Cheatoceros sp., for Aquatic Toxicity Assessments in the Qatari Marine Environmen حسب Bacha, Sarah

"…Similar results were obtained at 30°C and salinity 40%. The lowest growth rates were observed at the lowest temperatures, while a decreased rate was also observed at the highest temperature. …"
احصل على النص الكامل
احصل على النص الكامل

Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming حسب Mohamed, Assem T.

"…In addition, the presence of noble metals at the Ni surface afforded a high density of adsorbed oxygen species, which enhanced coke gasification and consequently decreased the extent of deactivation of the catalysts by coke formation. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Electrospun polylactic acid/date palm polyphenol extract nanofibres for tissue engineering applications حسب Khadija M., Zadeh

"…Increasing the polyphenol concentration caused the tensile strength and Young’s modulus to decrease. The SEM graphs indicated a decrease in fibre diameter with increasing DP content. …"
احصل على النص الكامل
احصل على النص الكامل

Undrained interface shear strength of fine-grained soils for near-shore marine pipelines حسب Eid, Hisham T.

"…The peak and residual interface shear strengths for a variety of normally consolidated soils were measured using a torsional ring shear apparatus modified to suit soil and interface testing under the undrained condition, which is usually prevalent at soil-marine pipeline interfaces. …"
احصل على النص الكامل
احصل على النص الكامل

Novel voltage balancing algorithm for single-phase cascaded multilevel inverter for post-module failure operation in solar photovoltaic applications حسب Rahman S.

احصل على النص الكامل
احصل على النص الكامل

Structural and electrochemical properties of electrodeposited Ni-P nanocomposite coatings containing mixed ceramic oxide particles حسب Zadeh, K.M.

احصل على النص الكامل
احصل على النص الكامل

Unlocking the application potential of electrocoagulation process through hybrid processes حسب Almukdad, Abdulkarim

احصل على النص الكامل
احصل على النص الكامل

The Optical and Electrical Properties of Low Density Polyethylene Films in CuSo4 Solution حسب Al Naimi, Sabah M. [صباح النعيمي]

احصل على النص الكامل

An Overview of Solid Waste Management and Plastic Recycling in Qatar حسب Al-Maaded, M.

"…The analysis showed that Qatar produced around 2,000,000 tons of solid municipal waste annually, corresponding to a daily generation rate per capita of about 2. 5 kg. …"
احصل على النص الكامل
احصل على النص الكامل

Interface modification of compatibilized polyethylene terephthalate/polypropylene blends: Effect of compatibilization on thermomechanical properties and thermal stability حسب Inuwa, Ibrahim M.

"…PET, PP, and SEBS-g-MAH were melt-blended in a single stLGusing the counter rotating twin screw extruder with compatibilizer concentrations of 0, 5, 10, and 15 phr, respectively. …"
احصل على النص الكامل
احصل على النص الكامل

Enhanced quality factor of polyvinyl formal (PVF) based nanocomposites filled with zinc oxide and carbon black nanoparticles for wireless sensing applications حسب Mohanapriya, M.K.

"…The incorporation of ZnO at 10% decreases Q-factor to 36.1. Incorporation of CBNP at 5% and ZnO at 5% further reduces the Q-factor to 13.7. …"
احصل على النص الكامل
احصل على النص الكامل

Correlating the rheological and magneto-optical properties of cobalt substituted magnetite ferrofluids (CoxFe1?xFe2O4) with theoretical studies حسب Babukutty, B.

احصل على النص الكامل
احصل على النص الكامل

Electrical characteristics and density of states of thin-film transistors based on sol-gel derived ZnO channel layers with different annealing temperatures حسب Wang S.

احصل على النص الكامل
احصل على النص الكامل

Investigation Into the Effects of Non-Linear Loading of Domestic Power Network on Home Appliances حسب Hossain, Ajad

"…Efficiency computation of a single-phase capacitor start machine. c) Fundamental frequency, 3rd harmonic and 5th harmonic power is estimated by using the above block. …"
احصل على النص الكامل
احصل على النص الكامل

Tobacco control in the Eastern Mediterranean region: implementation progress and persisting challenges حسب Abu-Rmeileh, Niveen M E

"…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. …"
احصل على النص الكامل
احصل على النص الكامل