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A road safety evaluation model in the context of legislative changes

100%

Borucka A. , Sobecki G.

Transport Problems

2023

tom T. 18, z. 3

41--51

Road accidents are affected by various factors, but many of them are not monitored and collected, and some of them are not even known. Important factors that are often overlooked in research are legislative issues and legal changes regulating road safety, which are the subject of the study in this article. As it is extremely difficult to prove a significant influence of these factors and, therefore, to demonstrate that the impact of legislative changes on the number of road accidents is significant, this variable was considered while analyzing the impact of other variables, which, in the authors' opinion, were the most important and, above all, known over the period in question. Day of the week, month, and year are selected. It was decided that other factors influencing the decreasing number of accidents would be included in the trend. With this assumption, the analysis of an additional variable that marks the periods of changes in legal regulations and the confirmation of its significant impact on the number of accidents will allow us to conclude that it is an important element shaping road safety.

Wiarygodne prognozy kluczem do usprawnienia realizacji zamówień

80%

Guzanek P. , Sobecki G. , Bawoł P. , Borucka A.

Gospodarka Materiałowa i Logistyka

2023

tom nr 1

31--39

Celem artykułu jest wskazanie różnic między ogólnodostępnym narzędziem prognozującym wykorzystywanym w planowaniu dostaw a dedykowanym, stworzonym specjalnie dla danej firmy. Autorzy na podstawie przeprowadzonych badań ukazują różnice w działalności sieci sklepów, prognozowaniu dostaw i ich wartości z użyciem dwóch różnych systemów wspomagających prognozowanie sprzedaży produktów. Przyjęto hipotezę badawczą, że wiarygodne prognozy są kluczowe w usprawnianiu realizacji zamówień i stanowią istotny czynnik wpływający na satysfakcję klienta oraz zdobywanie przewagi konkurencyjnej.

The aim of the article is to indicate the difference between a publicly available forecasting indicator used in supplier planning and one created specifically for a given company. The authors based on the results of comparative research in the operation of chain stores, forecasting deliveries and their value with the use of various systems supporting the forecasting of product supply. A research hypothesis was adopted that reliable forecasts are crucial in improving order fulfillment and are an important factor influencing customer satisfaction and gaining a competitive advantage.

Assessment of the possibility of using nanomaterials as fuel additives in combustion engines

80%

Jaroń A. , Borucka A. , Sobecki G.

Combustion Engines

2022

tom R. 61, nr 2

103--112

Nanomaterials are a new group that has quickly found a wide range of applications in medicine, cosmetology, the food, weapons or automotive industry. They are also used as a fuel additive. This paper reviews the literature and assesses the current state of knowledge regarding the use of nanoparticles in automotive engine fuels. The results obtained so far are presented and further research directions in this field are identified.