Effect of Fluid Viscosity and Fiber Length on the Performance of Fibrous Fluid in Horizontal Well Cleanout حسب Mendez, Michael

"…When a small amount (0.04% wt.) of long fiber was added, the cleanout performance of the high-viscosity fluid did not show a noticeable change. …"
احصل على النص الكامل
احصل على النص الكامل

Role of TiO2 and carbon nanotubes on polyethylene, and effect of accelerated weathering on photo oxidation and mechanical properties حسب Zagho M.M.

"…TONPs increased the tensile strength of the samples by 11.5% but deterioration of this property is the same as the pristine sample after accelerated weathering for 39 days. …"
احصل على النص الكامل
احصل على النص الكامل

Characterizing Biaxially Stretched Polypropylene / Graphene Nanoplatelet Composites حسب Mayoral, B.

"…Results show that the addition of GNP (>5wt%) can lead to electrically conductive composites due to the formation of percolation network. …"
احصل على النص الكامل
احصل على النص الكامل

Detoxification assays of tunisian tannery wastewater under nonsterile conditions using the filamentous fungus aspergillus Niger حسب Boujelben, Raouia

"…Characterization of effluents also revealed high salt levels (EC > 17 mS/cm) and high organic matter content (25 g/L for the UE and 7.2 g/L for the FE) but a low biodegradability since BOD5 did not exceed 2.5 and 1.25 g/L for the UE and the FE, respectively. …"
احصل على النص الكامل
احصل على النص الكامل

Study on adaptive thermal comfort in Japanese offices under various operation modes حسب Takasu, Marina

"…The lower and upper limits of the optimum comfort temperature is approximately 23.5C and 26.6C in mixed-mode. In addition, it is seen that the optimum comfort temperature tends to increase and decrease at very low and high outdoor air temperatures respectively. …"
احصل على النص الكامل
احصل على النص الكامل

Optimal Energy Dispatch Engine for PV-DG-ESS Hybrid Power Plants Considering Battery Degradation and Carbon Emissions حسب Kanaan, Laith

"…The test results revealed a 9.2% and 3.5% decrease in daily costs compared to the heuristic and stochastic methods, respectively, and a 29.4% decrease in carbon emission costs.…"
احصل على النص الكامل
احصل على النص الكامل

Investigating the utilization of healthcare services to manage respiratory tract infections (RTIs) among Qatari patients attended selected primary healthcare centers in Qatar حسب Islam, Nazmul

"…We have found no difference in the month-to-month rates of RTI-related GP visits (per 1000 total visits) over the study period (non-significant decreasing trend). …"
احصل على النص الكامل

Recycled Concrete Used in Subbase in Potential Use for Road Base and Cement Bounded Material (CBM) حسب Ahmad, Hassan Haidar

"…This paper will focus on the fine recycled concrete (FRC) 0-5 mm as a fine aggregate material in the mix design for constructing the base road layers under the Asphalt layers and how using crushed concrete can increase the quality and change the classification of the base aggregate mixes. …"
احصل على النص الكامل
احصل على النص الكامل

Self-assembled zirconia nanotube arrays: Fabrication mechanism, energy consideration and optical activity حسب Amer, Ahmad W.

احصل على النص الكامل
احصل على النص الكامل

Prospects of Biocrude Production Potential from Local Diatom حسب Al-Namimi, Sara Mohammed

"…A marine diatom Nitzchia reversa was grown in 5 sq. m open raceway pond (10 cm culture depth, 500 L culture volume) in the Qatari desert environment. …"
احصل على النص الكامل

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

"…Test results revealed that TWW slightly decreased concrete compressive and flexural strengths by 5%-12%, whereas it dramatically increased the porosity and chloride permeability by about 40%. …"
احصل على النص الكامل
احصل على النص الكامل

Effects of combined calcium hypochlorite and chlorine dioxide on drinking water quality in Qatar and disinfection by-products formation حسب Mohamed, Elsamoul H.

"…The mixtures were stored for 7 days at 25°C in the dark then heated to 45°C for two days more, and analyzed daily for physical and chemical parameters. …"
احصل على النص الكامل
احصل على النص الكامل

Optimizing nutrient removal of moving bed biofilm reactor process using response surface methodology حسب Almomani F.

"…Reactors demonstrated stable biofilm characteristics except for a slight decrease in biofilm thickness due to flow-shear stress. …"
احصل على النص الكامل
احصل على النص الكامل

Screening of Qatari Microalgae and Cyanobacteria for Application in CO2 Utilization حسب Schipper, Kira

"…Compared to Picochlorum maculatum, Tetraselmis sp. showed a slightly lower lipid content (25.6 ± 0.64 and 22.5 ± 0.78% for 30 and 35˚C respectively) and total carbon content (46.9 ± 0.8 and 47.6 ± 0.9% C (w/w) for 30 and 35˚C respectively), however due to the higher productivity, the carbon capture rate for Tetraselmis sp. was the highest of the tested strains, at 270 mg CO2 L-1 d-1 at 30˚C. …"
احصل على النص الكامل
احصل على النص الكامل

The impact of intermittent fasting during Ramadan on psychomotor and cognitive skills in adolescent athletes حسب Bougrine, Houda

"…Methods: To achieve this purpose, a cohort of 23 female handball players, aged 17.2 ± 0.5 years, participated in a series of six testing sessions: one conducted prior to Ramadan (R0), and others during the first (R1), second (R2), third (R3), and fourth (R4) weeks of Ramadan, followed by a session in the week after Ramadan (R5). …"
احصل على النص الكامل
احصل على النص الكامل

Effect of electroless bath composition on the mechanical, chemical, and electrochemical properties of new NiP-C 3 N 4 nanocomposite coatings حسب Fayyad E.M.

"…The corrosion performance of the NiP–C3N4 NCC prepared at the optimum conditions was studied in a 3.5 wt% NaCl solution through electrochemical impedance spectroscopy (EIS) and Tafel analysis techniques. …"
احصل على النص الكامل
احصل على النص الكامل

Investigating the structural impacts of a novel missense variant identified with whole exome sequencing in an Egyptian patient with propionic acidemia حسب Ibrahim, Ali Zaki

احصل على النص الكامل
احصل على النص الكامل

Inter-annual variability and distribution of aerosols during winters and aerosol optical thickness over Northeastern Pakistan حسب Shahid, M. Z.

"…ir pollution during winters over north-eastern (NE) Pakistan (71–74.5 E, 28–34 N) is a major challenge that affects human health, climate and daily life. …"
احصل على النص الكامل
احصل على النص الكامل

Physico-mechanical Properties of Sustainable Building Material Based Gypsum and Recycled Polyethylene Waste حسب Amina, Djoudi

"…Results proved the positive effect of the introducing of PET particles in the matrix of gypsum mortar, the lightening of this material but a decrease of mechanical properties was recorded comparing in to reference without polyethylene particles. …"
احصل على النص الكامل
احصل على النص الكامل

Thermoelectric properties of SbNCa3 and BiNCa3 for thermoelectric devices and alternative energy applications حسب Bilal, M.

"…The maximum values of thermal conductivity are 92×1014 W/m K s and 88×1014 W/m K s for SbNCa3 and BiNCa3 respectively at a temperature of 900 K. The peak values of 5×1020/Ω m s and 5.2×1020/Ω m s are achieved for n-type SbNCa3 and BiNCa3 respectively at a temperature of 300 K. …"
احصل على النص الكامل
احصل على النص الكامل