The civilisation progress has caused noise to become one of essential pathogenic and life comfort decreasing factors. There are several legal regulations aimed at controlling the noise influence on humans. Assessment of the twenty-four-hour influence of noises in various environments constitutes an essential problem. The answer can be supplied by 24-hour monitoring of the sound pressure. This paper is an attempt to learn the real loading of humans by noises. A personal noise indicator was used in measurements. The human 24-hour activity was divided into cycles allowing to model noise hazards. The collected data, even though they did not signal exceeding of individual standards, in the 24-hour period indicated the essential noise influence. These results indicate the need of investigations to recognise the 24-hour noise load of a human, with taking into account various forms of their activity and the need of rest.

A novel vibration-based monitoring technique for shaft bearings in seagoing vessels is presented in this paper. Described observation of the lubricated wedge stability was carried out using test fixture. The analysis of results is based on an original method which put Energy Operator of Teager Kaiser to use. Analysis results were compared with the method built on trajectory of the centre shaft axle observation.

W artykule przedstawiono koncepcję rozproszonego systemu monitorowania poziomu zagrożeń środowiskowych w trakcie prac budowlanych. System ten charakteryzuje się elastycznością oraz dużą gamą mierzonych parametrów. Ważną cechą zaprojektowanego systemu monitorującego jest szybki przepływ informacji, przede wszystkim do obsługi maszyn stwarzających zagrożenie. Rozproszona struktura oraz interdyscyplinarność systemu pozwoliła zintegrować oprócz czynników wpływających na środowisko, takich jak drgania i hałas, również inne zagrożenia, a mianowicie zapylenie, ruchy masowe gruntu, poziom wód gruntowych, obciążenie elektroenergetyczne. Opracowany system został zastosowany na placu budowy. Działanie systemu pozwoliło istotnie obniżyć wpływ m.in. drgań parasejsmicznych na budynki mieszkalne

This study focuses on developing the appropriate infrastructure between Poland and Ukraine to enable the import and export of hydrogen, ensuring EU consumers have access to sufficient quantities. Such infrastructure is crucial in achieving climate neutrality goals, as it will serve as a key transit area for hydrogen, thereby contributing to sustainable energy development in Europe. To address this, the article reviews existing solutions for hydrogen transportation via pipelines and proposes mapping the hydrogen transportation system between Poland and Ukraine. Specifically, it examines the possibility of constructing a hydrogen pipeline from Ukraine to Poland, with potential connections to the designated hydrogen supply corridors of the European Hydrogen Backbone (EHB) infrastructure. Through the use of Python-created maps and algorithms, the study demonstrates how a hydrogen supply corridor can be established between Poland and Ukraine and effectively integrated with the broader EU hydrogen supply corridors. Furthermore, the article discusses the complex challenges involved in building hydrogen pipelines, particularly the unification of design standards between EU and non-EU countries. Equally critical is the management of hydrogen export and import, given that no platform currently exists between Poland and Ukraine for this purpose. The integration of hydrogen pipeline transport systems is thus highlighted as a matter of international importance, providing a platform for cooperation between the two countries and facilitating the creation of a hydrogen corridor linked to the EU infrastructure. An original contribution of this study is the presentation of a map illustrating the potential corridor connecting the hydrogen pipeline systems between countries, along with the development of algorithms using Python, which open up possibilities for future expansion of the map.