The use of internal combustion engines increase environmental pollution and dependence on fossil fuels. The biodiesel fuel, which is renewable, more environment friendly, and cheaper, is a good alternative for diesel engines. The use of biodiesel fuel leads to a drop in diesel power and an increase in fuel consumption. To prevent these shortcomings, it is proposed to use dynamic regulation of the percentage composition of a mixture of diesel and biodiesel fuel. The modernization of diesel engines for their transfer to work on a mixture of fuels with a dynamic regulation of its percentage composition is possible at service stations serving diesel engines.
Problem. In order to develop your business, you need to keep track of products that interest people and the services they buy from your company, their place of work and other connections, giving an idea of the customers. Goal. The purpose of this article is to analyze, study and test the theoretical and methodological principles and characterize the criteria for improving the efficiency of business process automation using CRM-technologies in the enterprise, as well as building a model to assess the effectiveness of information systems such as Salesforce-CRM. Methodology. Methods, technologies, and tools are used for analyzing the effectiveness of automation of business processes of the enterprise using CRM-applications, research, and testing combinations of methods to determine the impact of the Salesforce-CRM-system’s implementation in the enterprise. Results. Development and justification of measures to improve the information and analytical management system of the organization. Methods of effective implementation and analysis of CRM effectiveness include determining its features and the main criteria of performance indicators and choosing the best strategy that would correspond to the company's business processes. Originality. Since the aim of the article is to analyze the theoretical and methodological foundations and determine the criteria for improving the efficiency of business process automation using CRM-technologies in the enterprise, the following tasks were performed: the purpose and role of CRM-system in enterprise automation were distinguished; a model for evaluating the effectiveness of CRM-system implementation for business process automation was built; quantitative estimates were obtained and recommendations for the SalesforceCRM implementation were provided. Practical value. The proposed research can be used to identify and measure the attributes of the benefits of CRM implementation, such as, for example, cost, efficiency, innovation and improvement of the quality of services, the number of regular customers. As part of the writing of this paper, a customer-oriented model for evaluating the effectiveness of CRM was built.
Problem. Mobile application development is quite a complex process that requires developers with high expertise in a particular development platform for Android. There are also several singleplatform, cross-platform, Xamarin development platforms but there is no comparison of their performance as with native ones. Methodology. As a method, it is proposed to use an experimental approach in which a mobile application is developed with the necessary components, and then the performance of the profiler on the metrics of CPU usage, memory, power consumption and network is investigated. Results. According to the study, the Xamarin platform has additional restrictions on permissions, requires more resources, both memory and power, which can be felt in large applications, but allows you to attract a large community of .Net developers. Originality. This approach to the analysis of productivity will reveal at a preliminary stage the problematic aspects of the mobile development platform, its integration with native Android services, as well as possible user preferences. Practical value. The proposed technique will introduce a preliminary analysis of the various components integrated into the Android OS. This approach will provide a more reasonable management decision for the full process of developing mobile applications for Android OS, considering such criteria as speed of development, professional level of developers to be involved in the development process, application integration with Android components, integration of new functionality to the application and others.
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