In order to optimize the amount of dopant, 3 catalysts with different weight percentages of
dopant entered the test medium and it was found that the increase of silver, cerium, nickel. It …

Investigating important challenges to eliminate crude oil fouling in pipelines needs to be
studied thoroughly. According to environmental and economic issues, fouling in pipelines …

Heavy polyethylene catalytic pyrolysis with 15% HZSM-5 catalyst was performed at 500° C
in a semi-continuous stirrer reactor under nitrogen gas. In the first experiment, about 46.7 …

There are many ways to reduce the coefficient of friction as a result of pressure drop in
internal flows and thrust force in external flows. For example, film suction, injection of gas …

Fluid molecules adhere to objects due to their viscosity when passing through them, thus
causing friction between the fluid and the body. This friction depends on the type of surface …

Crude oil fouling is a complex process caused by multiple mechanisms. This study
examined fouling's environmental impact on a distillation unit's heating tubes and heat …

Formation water scale blocks pipelines and results in oil/gas production decreasing and
energy consumption increasing. Many methods have been developed to inhibit scale …

Introduction: Therefore, due to the frequent exposure of hemodialysis patients to the pain
caused by vascular needles and in order to achieve an effective and non-pharmacological …

Introduction: lack of sexual satisfaction in heart patients and the existence of negative effects
on patients' quality of life. The results of research also show that most of the interventions …

Introduction: Given the importance of reducing anxiety in patients before coronary artery
bypass grafting and the side effects that anxiety can have on the patient's recovery, the …