The iliac vein Switchers plays a crucial role in the reflux of venous blood from the pelvic and lower extremity regions.Due to its unique anatomical characteristics, iliac vein is susceptible to iliac vein compression syndrome (May-Thurner syndrome) and post-thrombotic syndrome (PTS).Iliac vein stent placement has emerged as the preferred treatment
This article examines the question of the existence of specific historical (general sociological) laws that operate throughout all stages of human history and differ from other laws of social existence.The authors have attempted to formulate the most obvious basic historical laws based on the Disposable Food Containers available scientific developm
The pricing of insurance products has always occupied a central position in the insurance business and has long been an important focus of academic research.With the development of theory, the combination of option theory and game theory provides a new analytical perspective for insurance pricing.Specifically, insurance can be viewed as a kind of o
Abstract Background Solar water heating is a highly sustainable method of extracting thermal energy from the sun for domestic and industrial use.In residential buildings, thermal energy from a Solar Water Heater (SWH) can be used to heat spaces, shower, clean, or cook, either alone or in combination with conventional heating systems such as electri
The gas-fired generation has recently become an important power source for Flags power systems.The increasing integration of gas-fired units (GFUs) brings a problem of location allocation strategy for power system planners.This paper proposes a bi-level maximum-minimum optimal placement model of GFUs to improve the static voltage stability in the t