CO2 methanation using sugarcane bagasse biochar/nickel sustainable catalysts حسب Gamal, Ahmed

"…The catalyst containing 0.5 mmolNi/gSCB showed the highest CO2 conversion at all operating temperatures (250–550 °C) in addition to the highest methane selectivity at 400 °C. …"
احصل على النص الكامل
احصل على النص الكامل

Gas Driven Fracture during Gas Production using HeleShaw Cell حسب Al-Raoush, Riyadh

احصل على النص الكامل
احصل على النص الكامل

RIGOROUS SIMULATION AND OPTIMIZATION OF THE COLD SECTION IN A REAL LNG PLANT: UPFRONT NITROGEN REMOVAL AS PROCESS ENHANCING CONCEPT حسب MKACHER, HAJER

"…Compared with baseline operation, removing up to 87.5% of nitrogen from the feed was found optimal as it decreases the total power requirement by 0.24 MW and increases the LNG product flow rate by 4.4 %, while exergy loss decreased by 7.08 MW. …"
احصل على النص الكامل

Influence of temperature on tire-pavement noise in hot climates: Qatar case حسب Okan, Sirin

"…This temperature correction factor is developed based on the local environment (temperature varying from 5 °C to 35 °C) and generally varies with different pavements. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Influence of temperature on tire-pavement noise in hot climates: Qatar case حسب Okan, Sirin

"…This temperature correction factor is developed based on the local environment (temperature varying from 5 °C to 35 °C) and generally varies with different pavements. …"
احصل على النص الكامل
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

Microbiota and sensorial attributes of buffalo meat stored under vacuum packaging: combined impact of marination, citrox and oregano essential oil حسب Osaili, Tareq

"…This study aimed to examine the antimicrobial and sensorial effects of natural citrox (0.2% v/w) and oregano essential oil (0.1% v/w) or their combination on marinated buffalo meat stored under vacuum at two storage conditions of 4°C and 12°C. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Cold Plasma as Effective Tool for Aluminum Surface Cleaning حسب Popelka, Anton

احصل على النص الكامل
احصل على النص الكامل

Resistive room temperature LPG sensor based on a graphene/CdO nanocomposite حسب Goutham S.

"…The CdO/graphene composite was deposited as a film on interdigitated electrodes (IDEs) which then were used for chemiresistive sensing of liquid petroleum gas (LPG) by using a four probe technique. A Resistivity decreases significantly upon exposure to a LPG. The electrical resistance measurement at a constant bias voltage of 0.5 V. …"
احصل على النص الكامل
احصل على النص الكامل

Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material حسب Farheen F., Jaldurgam

"…The TGA-DSC results indicate a slight mass gain at 350 °C followed by a steep weight loss beyond 550 °C suggesting good thermal stability when the experimental temperature is below 350 °C. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Association between Insulin and Nitric Oxide in Human Retinal Microvascular Endothelial Cells in vitro حسب Rizk, Nasser Moustafa

احصل على النص الكامل
احصل على النص الكامل

المُكوِّّنَان الصرفيّ والتَّركيبيّ في كتبِّ تدريس اللغةِّ العربيةِّ للمرحلةِّ الابتدائيةِّ في قطر.... حسب عاطف, أماني حسين علي

احصل على النص الكامل

S‐Fertilizer (Elemental Sulfur) Improves the Phytoextraction of Cadmium through Solanum nigrum L. حسب Alatawi, Aishah

"…The application of Gyp 100 mg kg−1 boosted plant growth and physiology along with oxidants and antioxidants activity as compared to ES 100 mg kg−1 alone, and combine application of GYP+ES 50 + 50 mg kg−1. The application of ES 100 mg kg−1 showed an effective approach to decreasing Cd uptake as compared to Gyp 100 mg kg−1. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) حسب Connor, Izumi

"…Its values in the Gulf ranged from −50 to −310 μmol kg−1 implying CaCO3 precipitation. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) حسب Connor, Izumi

"…Its values in the Gulf ranged from −50 to −310 μmol kg−1 implying CaCO3 precipitation. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

High-quality and anti-inflammatory diets and a healthy lifestyle are associated with lower sleep apnea risk حسب Melaku, Yohannes Adama

احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Development of Inorganically Cross-Linked Sulfonated Polyacrylamide Preformed Particle Gels for Conformance Control: Impact of Anionic Groups حسب Elaf, Reem

"…It is worth noting that PPG swelling and strength thrive within the pH range of 5-9 and below temperatures exceeding 75 °C, as conditions beyond these thresholds compromise their intricate three-dimensional (3D) network structures.…"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Thermal properties of phase-change materials based on high-density polyethylene filled with micro-encapsulated paraffin wax for thermal energy storage حسب Karkri, M.

"…Microcapsules consisting of paraffin wax cores with a melting point of approximately 42 °C and a melamine-formaldehyde resin shell were synthesized using in situ polymerization. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Methane production enhancement from Tetraselmis biomass co-digestion using frying oil residue as co-substrate and ultrasonication as pretreatment حسب Firas, Feki

"…Interestingly, compared to untreated Tetraselmis biomass, sonication pretreatment using specific energy of 1.6 kJ/g VS significantly improved specific methane production by 60.5%. However, increasing specific energy sonication to 3.2 kJ/g VS decreased the positive energy balance of whole process from 8.6 to 5.5 ± 0.3 kJ/g VS. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Methane production enhancement from Tetraselmis biomass co-digestion using frying oil residue as co-substrate and ultrasonication as pretreatment حسب Firas, Feki

"…Interestingly, compared to untreated Tetraselmis biomass, sonication pretreatment using specific energy of 1.6 kJ/g VS significantly improved specific methane production by 60.5%. However, increasing specific energy sonication to 3.2 kJ/g VS decreased the positive energy balance of whole process from 8.6 to 5.5 ± 0.3 kJ/g VS. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل