I pretend to analyze the relationships between capitalism, coloniality and social sciences from the Latinamerican decolonial perspective.From the outset I defend the thesis that the brutal use of blacks and blacks, Indians and Indians, in the extraction of an invaluable amount of gold and silver in America, served as a historical condition for the
For manufacturing components with thick little boys wetsuit plates, such as in the heavy equipment and shipbuilding industries, the gas metal arc welding (GMAW) process is applied.Among the components that apply the thick plate GMAW process, there are groove butt joints, which are fabricated through multi-pass welding.Various welding qualities are
With the development of construction industry, the traditional manual inspection has been gradually eliminated due to many shortcomings, such as low efficiency, time-consuming and labor-intensive.Meanwhile, the current helmet detection model on the market does not consider the interference of complex weather, which greatly affects the detection per