The theoretical issues related to the definition of the landslide movement for rectilinear and circular cylindrical sliding surfaces are considered. Based on the concepts of the theory of measurement errors, an analysis of the impact of the parameters on the landslide velocity is performed. The formulas obtained allow us to calculate the speeds of landslides during seismic and atmospheric action.
This paper discusses the issue of determining the values of displacement points on the walls of buildings and structures during deformations using geodetic measurements of the values of displacements of adjacent points. It is proposed to use spline functions of one or two variables to calculate the offsets of points where no measurements were made, or where observations stopped starting from a certain stage. It is proposed to determine the spline coefficients either by interpolating the results from one observation cycle to arbitrary points, or by interpolating the observation results in previous cycles to points that were not observed in the new observation cycle. A specific example is used to evaluate the accuracy of the interpolation results and provide practical recommendations for using the methods in practical calculations. When considering the two-dimensional case, it is concluded that the approximation of the linear spline of two variables is not accurate enough, and it is proposed to use splines of a higher degree.
The article discusses the features of the prevention of chronic diseases in the era of the COVID-19 pandemic. It is known that patients suffering from various chronic diseases have weakened immunity, and this forces doctors to attribute such patients to the risk group, whose participants are most susceptible to the severe course of coronavirus disease.
In light of all the above, the main task of medical workers today is to prevent the development of chronic diseases as such, and therefore the prevention of chronic diseases in general is a priority for medicine today. An attempt to preserve the health of the nation and prevent the mortality rate from increasing is the main task of doctors, secondary and junior medical personnel. That is why preventive work among the population, especially the older age group, should be carried out actively and systematically today.
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