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121
Enhancing the UV/heat stability of LLDPE irrigation pipes via different stabilizer formulations
منشور في 2021"…Crack formation was less visible for the thermally aged samples. A significant decrease in molecular weight (MW) was observed for the neat UV-exposed LLDPE, while both unpigmented stabilized compounds showed little change in MW. …"
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122
Development and Evaluation of Fibrous Fluid Formulations for Horizontal Gas and Oil Well Cleanout
منشور في 2021"…Therefore, the development of stable Fibrous Cleanout Fluids (FCFs) using different anionic polymeric formulations provide bases for efficient utilization of these materials toward successful hole cleaning. As a result, the main aim of this thesis is to provide fundamentals for cuttings, fiber, and polymer interactions, focusing on the development of stable fibrous water-based fluids for horizontal and vertical drilling hole cleaning applications. …"
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123
Energy saving and peak load shifting performance of tail water source heat pump integrated with large-scale thermal storage pool space heating system in technology park
منشور في 2023"…In cities, there are thousands of wastewater treatment plants. The treated tail water drained from them is clean relatively, and has a stable flow rate. …"
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124
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125
Global fertility in 204 countries and territories, 1950–2021, with forecasts to 2100: a comprehensive demographic analysis for the Global Burden of Disease Study 2021
منشور في 2024"…CCF50 as a proportion of each 5-year ASFR was predicted using a linear mixed-effects model with fixed-effects covariates (female educational attainment and contraceptive met need) and random intercepts for geographical regions. …"
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126
Global fertility in 204 countries and territories, 1950–2021, with forecasts to 2100: a comprehensive demographic analysis for the Global Burden of Disease Study 2021
منشور في 2024"…CCF50 as a proportion of each 5-year ASFR was predicted using a linear mixed-effects model with fixed-effects covariates (female educational attainment and contraceptive met need) and random intercepts for geographical regions. …"
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127
Modification of Pd/CeO2 catalyst by Atomic Layer Deposition of ZrO2
منشور في 2016"…Calcination of the unmodified Pd/CeO2, prepared by precipitation of aqueous Ce(NO3)3 solutions, with Pd added by impregnation, caused a large decrease in surface area and an increase in crystallite size between 673 K and 1073 K; however, catalysts modified by 0.4 nm ZrO2 films showed no change in either surface area or CeO2 crystallite size upon calcination to 1073 K. …"
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128
VANET-based smart navigation for emergency evacuation and special events
منشور في 2019"…In this paper we propose, develop, and analyze the performance of a new system-optimum navigation model that utilizes Vehicular Ad-hoc Networks (VANETs), linear programming optimization, and stochastic routing to efficiently and smartly navigate vehicle crowds in case of an emergency evacuation or after special events. …"
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129
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130
Seismic detection and characterization of a man-made karst analog - A feasibility study
منشور في 2021"…At the site of a water drainage shaft on the campus of Qatar University that serves as a man-made karst analog, two seismic imaging techniques were adapted to use resonant scattered waves recorded during active-source seismic surveys and during passive ambient-noise surveys. …"
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131
Impact of magnetic dipole on a thermally stratified ferrofluid past a stretchable surface
منشور في 2019"…This article focuses on the characteristics of a magnetic dipole in a viscous ferrofluid induced by linear stretched surface. …"
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132
Pareto-front analysis of a monotonie PI control law for slip suppression in a robotic manipulator
منشور في 2018"…To do this, we consider monotonic PI (MPI) control, which is a nonlinear extension of linear proportional-integral (PI) control. …"
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133
A novel index based on planktonic copepod reproductive traits as a tool for marine ecotoxicology studies
منشور في 2020"…At high concentrations, cadmium and silver induce an increase in EPR in the copepods Acartia tonsa and Acartia hudsonica, while exposure to mercury decreases EPR in adults by 50%. All three metals affect HS, with mercury inducing a stronger effect than cadmium and silver. …"
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134
Impact of the fear of Covid-19 infection on intent to breastfeed; a cross sectional survey of a perinatal population in Qatar
منشور في 2022"…This study attempts to explore any relationship between the Covid-19 pandemic and perinatal obsessive-compulsive symptomatology and whether the Covid-19 pandemic has any impact on intent to breastfeed. Methods: A cross sectional survey of perinatal women attending largest maternity centre in Qatar was carried out during the months of October to December 2020. …"
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135
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136
Enhancement of flocculation and dewaterability of a highly stable activated sludge using a hybrid system of organic coagulants and polyelectrolytes
منشور في 2020"…This study investigates the influence of hybrid coagulation-flocculation system on the flocculation and dewaterability efficiency of a real highly stable activated sludge obtained from the membrane bioreactor tank of a petroleum industry. …"
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137
A Tailored, Bundle Care Intervention Strategy to Reduce Cardiac Mortality During the Hajj: A Population-Based, Before and After Study.
منشور في 2019"…Hajj is the largest human gathering with over 2 million people. …"
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138
Potential of microalgae as a sustainable feed ingredient for aquaculture
منشور في 2021"…An increase in fish consumption, combined with a decrease in wild fish harvest, is driving the aquaculture industry at rapid pace. …"
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139
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140
Potential of halophytes as cattle fodder : A case-study in Pakistan
منشور في 2016"…However, burgeoning world population leading to wide spread urbanization and industrialization is aggressively sharing these resources. A solution may be found in using saline water and salinized lands to produce quality animal feed from salt tolerant plants. …"
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