The paper deals with the mathematical model of the rational distribution of vehicles, which allows attaching them to a group of combine harvesters during harvesting, depending on the carrying capacity of vehicles, the productivity of combine harvesters and the capacity of grain storage facilities. In addition, it presents a formula which allows determining the required number of vehicles that will deliver grain from a group of combine harvesters. Further the article presents calculations of routes of vehicles movement and determination of the required number of vehicles de-pending on the carrying capacity of one of the operating agricultural organizations.

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Abstract. This article describes the use of powder coating materials as an effective corrosion protection system. The correlation between the substrate heating temperature on the optical characteristics of the radiator used and coating material applied was analyzed. The assumption that the process of thermoradiation curing of powder coatings is influenced by two factors (temperature and radiation effect) is confirmed. It was determined that there is a possibility of improving the resource-saving technology based on the conducted studies.

Analysis of passenger traffic flow is considered to be one the most important stages of planning and construction of the most appropriate route network of public municipal passenger transport. At the same time, a great variety of methods of passenger traffic flow analysis confuses and prevents from a proper choice of the precise methods to conduct a research. The aim of this article is to find and substantiate basic approaches which can help to find a practical set of methods for analysis of passenger traffic flow in particular cities. To achieve this aim the article analyzes basic advantages and disadvantages of each method, their application fields, restrictions which are set by conditions of different populated areas. The article also suggests research and methodological approach to finding the most appropriate methods of passenger traffic flow analysis.