Wyniki wyszukiwania - BazTech

1

Cyfrowe bliźniaki w zarządzaniu kryzysowym łańcuchem dostaw

Sadocha Mikołaj

Logistyka

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2025

|

nr 1

10--13

PL

Globalne łańcuchy dostaw są niezwykle złożone i wrażliwe na zakłócenia. Pandemia uwidoczniła słabości systemów logistycznych, powodując opóżnienia na niespotykaną wcześniej skalę.

2

Systemic civil protection in conditions of limited resources of fire brigade units in Poland in the event of a pandemic. example of the COVID-19 pandemic in Poland

Burnos Adrian Mateusz

Zeszyty Naukowe SGSP / Szkoła Główna Służby Pożarniczej

|

2024

|

Nr 89 (tom 2)

223--246

EN

Ensuring an adequate level of security should be the responsibility of every civilised developed country. The overall functioning of the civil protection system depends on the efficiency of the decision-making entities, which are actors of the public administration at various levels and the executive entities such as fire protection units, the Police, the Armed Forces, the Medical Rescue System, etc. Each of the aforementioned institutions and organisations has at its disposal the resources that are necessary to maintain organisational capacity and to maintain continuity of operations. The COVID-19 pandemic had a significant impact on society, as well as on administrative entities, organisations and institutions. Its impact created a very high risk of adverse effects that affected organisational resources. The aim of this article is to determine how to systemically ensure civil protection under conditions of limited institutional resources in the wake of the COVID-19 pandemic. Fire protection units, more specifically organisational units of the State Fire Service and volunteer fire services, were taken as an analytical basis. It was investigated by means of empirical research, quantitative and qualitative research methods on how the COVID-19 pandemic affected the resources of these fire protection units, in particular: human, financial, information and material resources. The results of the research were analysed and used to define guidelines and a system model of providing civil protection in conditions of limited resources of fire protection units in Poland in the wake of the COVID-19 pandemic.

3

The humanitarian logistics performance measurement model: A case study of COVID-19

Akan Ercan, Baştuğ Sedat, Kiraci Kasim, Lai Kee-Hung

Zeszyty Naukowe Politechniki Morskiej w Szczecinie

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2024

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nr 78 (150)

56--78

EN

The COVID-19 pandemic has had a significant adverse impact on economic trends and the ability of enterprises to manage their global supply chain activities. One major challenge relates to handling disruptions in supply chain activities and conducting humanitarian logistics. When facing disruptions in the humanitarian supply chain, non-governmental organizations (NGOs) need to identify relevant scenarios for supply chain processes, both before and after the COVID-19 pandemic, to determine the performance outcomes of these processes. This study aims to measure the logistics performance of the humanitarian supply chain process before and after the COVID-19 pandemic. It adopts the performance criteria from the supply chain operations reference (SCOR) model and the humanitarian logistics success criteria found in the literature for operationalization. Subsequently, the study employs the spherical fuzzy analytic hierarchy process (SF-AHP) methodology as a decision-making tool to prioritize criteria for identifying each aspect of the humanitarian supply chain process. These metrics are valuable for organizations to determine which sustainable supply chain processes are better suited, based on predefined criteria, to mitigate disruptions caused by the pandemic. Document accuracy is identified as the most important metric criterion for the humanitarian supply chain process.

4

Risk management in the supply chain in the light of the enterprises’ experiences during the Covid-19 pandemic

Kauf Sabina, Pisz Iwona, Tłuczak Agnieszka

Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska

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2024

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z. 195

249--270

EN

Purpose: The purpose of the study was to identify key reasons for intensifying risk management activities in supply chains. To achieve the objective, the following research hypotheses were adopted: H1 - the extent of business activity is not correlated with problems related to demand constraints and timeliness of payments, H2 - disruptions in supply chain continuity during a COVID-19 pandemic are independent of the type of chain. Design/methodology/approach: These paper highlights the importance of risk management in the supply chain management in addressing the pandemic induced disruptions and supply chain risk management activities. Achieving the stated goal requires answering two questions: (1) What problems are companies facing due to the coronavirus pandemic, and (2) What actions are companies taking to ensure supply chain continuity, especially in Poland conditions. 137 enterprises participated in the research, including 118 with foreign capital. The survey was conducted online. The research sample included entities from the manufacturing, trading, and service sectors located throughout Poland. Companies were selected using a snowball method, starting with supply chain managers from friendly entities and asking them to identify other entities that could take part in the study. Findings: The research showed that the continuity of supply chains in Poland was not maintained, and companies were able to keep inventories only at a minimum level. The research also analysed the impact of remote work on the effects of the functioning of enterprises and assessed the effects of support under anti-crisis shields. Originality/value: The research has been carried out in order to identify the factors that have the greatest influence on the efficiency of the supply chains of Polish enterprises. The research showed that the continuity of supply chains in Poland was not maintained, and companies were able to keep inventories only at a minimum level.

5

Pro-environmental consumer engagement – behavioral changes in the context of the Covid-19 pandemic

Kalińska-Kula Magdalena

Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska

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2024

|

z. 192

471--487

EN

Purpose: The aim of the article was to provide an overview of the phenomenon of the ecologization of consumption in the context of post-pandemic changes in consumer behaviors and attitudes. Design/methodology/approach: The critical analysis method used in literary research with the use of secondary sources was employed in the study. Findings: Contemporary consumption is inseparably linked to environmental concern, manifesting in the phenomenon of green consumerism. The trend of ecologizing consumption, stemming from the growing ecological awareness in society, was intensified in the aftermath of the COVID-19 pandemic. Despite the increasing popularity of green consumerism, the challenge lies in the "green gap" - the disparity between declared pro-environmental attitudes and the actual behaviors of consumers. Research limitations/implications: The paper is descriptive in nature. Further research should focus on developing a tool for measuring changes in consumer attitudes and behaviors following the COVID-19 pandemic. Social implications: The study identified significant aspects related to... Increasing the level of ecological awareness and shaping attitudes are only possible through public discourse and extensive information on the state and needs of the environment, as well as necessary pro-environmental actions. The social responsibility of consumers and the level of pro-environmental activities, as an expression of this responsibility, directly determine the quality of life for future generations. Originality/value: The novelty of the article lies in outlining the possibilities for the development of the concept of sustainable development in the context of the changes that the COVID-19 pandemic induced in the ecological awareness of many consumers.

6

Impact of sars-cov-2 on Inpost's service perception in Sosnowiec

Jeziorski Damian, Cieśla Maria, Markowska Katarzyna, Socik Paweł, Sigiel Norbert

Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska

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2024

|

z. 197

183--205

EN

Purpose: The SARS–CoV–2 pandemic, which spread worldwide in early 2020, has had a significant impact on the global economy and on the operation of many sectors, including the logistics industry. In Poland, as in other countries, the sector has had to adapt quickly to changing conditions and newly introduced sanitary restrictions. InPost, a key player in the courier services market in Poland, faced the challenge of ensuring business continuity while maintaining a high level of customer satisfaction. This article focuses on an analysis of the impact of the SARS–CoV–2 pandemic on the perception of the quality of services provided by InPost in the city of Sosnowiec. The study was conducted the basis of data collected by questionnaires and analysis of InPost's operational data. The results are aimed not only at assessing the direct effects of the pandemic on the company's operations, but also at understanding long–term changes in consumer attitudes and business strategy. Design/methodology/approach: For the article, a survey was conducted using statistical analysis. The survey research was conducted on a population of 6424 respondents. Findings: The empirical research conducted made it possible to determine the impact of pandemics on the quality of service provision. The main issues identified were: the availability of service infrastructure to respondents, the density of its deployment, the impact of computerization on the quality of service delivery, and overall customer satisfaction with the services provided. Research limitations/implications: Despite efforts to collect as large a group of respondents as possible, the sample represented represents only about 3.3% of Sosnowiec's population. Additionally, the survey faces limitations due to the data voluntarily reported by respondents, which may lead to potential bias in their responses. Focusing on a specific percentage of Sosnowiec's population, may not reflect overall satisfaction with the services provided. Practical implications: The research will provide useful insights for courier companies developing their operations in urban areas. They offer guidance on concepts for expanding service infrastructure as well as mobile applications. Originality/value: Based on the research conducted, this study can make a distinctive contribution to the current literature. At the same time, it provides a valuable insight into the adaptation of InPost's logistics organizations in terms of the dynamic changes taking place in society, in the context of the COVID–19 pandemic.

7

Small island public transport service levels: operational model for Estonia

Hunt T., Tapaninen U., Palu R., Laasma A.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

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2024

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Vol. 18 No. 2

315--322

EN

The maritime connections are vital to success of islands. Estonia has 19 permanently habited islands with at least five inhabitants. 16 of those are considered as small islands with an area below 100 km2. Their sea connections are secured (i.e. organized, financed) by the government or municipality. These small islands are very diverse - in terms of population, economic activity, infrastructure capacity and needs, etc. In this study, we have analyzed ten connections to seven Estonian small islands based on seven criteria. The criteria are as follows: passenger and vehicle volumes, frequency, reliability, speed and time, vessel suitability, harbours and transport access to the harbours from the landside. Thereafter, we have classified the connections to islands to four levels: (i) daily, (ii) scheduled, (iii) invitation-only and (iv) tourism. Finally, we raised several actions to improve the connections based on the defined service levels. This article addresses the problem of small island communities, the criteria that influence service, proposes service levels and scenarios and the tools for decision-makers to better organise the connections to island communities and to serve local residents and business as well as tourism. Keywords: small islands, connectivity, sustainability, connection service levels, adequate resources.

8

Działalność szpitali podczas sytuacji kryzysowej w oparciu o doświadczenia z pandemii COVID-19

Mrożek Żaneta

Studia Bezpieczeństwa Narodowego

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2024

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R. 14, Nr 31

37--56

PL

Szpital stanowi istotny element systemu ochrony zdrowia, który pełni kluczową rolę w zapewnieniu bezpieczeństwa zdrowotnego ludności, również podczas zdarzeń o charakterze kryzysowym. Niestety w obliczu zagrożenia biologicznego jakim była pandemia COVID-19, mimo licznych wdrażanych rozwiązań, szpitale nie zapewniły realizacji wszystkich potrzeb zdrowotnych. Celem artykułu jest przedstawienie roli szpitali w sytuacjach nadzwyczajnych oraz analiza ich funkcjonowania podczas pandemii COVID-19. W artykule wykorzystano metodę analizy dostępnych źródeł i danych statystycznych oraz metodę sondażu diagnostycznego, techniki wywiadu skategoryzowanego, skoncentrowanego na problemie badawczym dotyczącym oceny działalności szpitali przez personel medyczny podczas zagrożenia biologicznego jakim była pandemia.

EN

The hospital is an essential part of the health system, which plays a key role in ensuring the health security of the population, including during crisis events. Unfortunately, in the face of a biological threat such as the COVID-19 pandemic, despite the numerous solutions implemented, hospitals did not ensure that all health needs were met. The aim of the article is to present the role of hospitals in emergency situations and to analyse their performance during the COVID-19 pandemic. The article uses the method of analysis of available sources and statistical data and the method of diagnostic survey, a categorised interview technique, focused on the research problem concerning the evaluation of the performance of hospitals by medical personnel during a biological threat such as the pandemic.

9

The Analysis of Parameters Affecting Indoor Air Pollution and Noise Levels Under the Applied Theory of Covariance Functions

Paliulis Dainius, Grubliauskas Raimondas

Rocznik Ochrona Środowiska

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2024

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Tom 26

658--671

EN

Analysis variations in the intensity of vectors estimating indoor air pollution (PM2.5, PM10 and CO2) and noise levels are presented. The research was conducted in an office room during COVID-19. The theory of covariance functions was used to analyse changes in the intensity of the vectors of determined parameters. The estimates of the cross-covariance functions of digital vectors and the autocovariance functions of the individual vectors of air pollution and noise recording sensor parameters were calculated in line with the random functions of data arrays measuring the vectors of air pollution sensor parameters. The approximations of covariance functions were calculated by changing the quantisation interval on a time scale and applying software created based on the Matlab procedure package. The stochastic interdependence of the vectors of air pollution and noise level recording sensor parameters and variations in vectors on the time scale was established.

10

The influence of work organization on the development of office architecture from the time of Taylorism to the COVID-19

Stankiewicz-Świniarska Ewa

Przestrzeń i Forma

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2024

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nr 59

23--38

EN

Based on historical outline, the article will present the influence of work organization on the design of office architecture from the Taylorism to Covid-19. Intensive changes in the structure of companiesand evolving expectations of employers and employees, impose variable environmental conditions, necessitating a process of modernizing office buildings. Such actions lead to promoting a linear economy instead of a circular one, prompting the construction of new buildings rather than adapting existing ones. The goal of historical and comparative analysis is to demonstrate the need for designing flexible structures that can realistically meet the needs of the IV Industrial Revolution.

PL

Na podstawie rysu historycznego, w artykule zostanie przedstawiony wpływ organizacji pracy na projektowanie architektury biurowej od epoki Tayloryzmu aż do czasów Covid – 19. Intensywne zmiany w strukturze firm oraz zmieniające się wymogi i oczekiwania pracodawców i pracowników wymuszają zmienne warunki otoczenia, a co za tym idzie ciągły proces unowocześniania budynków biurowych. Takie działanie powoduje szybkie starzenie się istniejących obiektów powodując gospodarkę liniową zamiast cyrkularnej, wymuszając jednocześnie powstawianie nowych budynków zamiast adaptacji istniejących. Celem analizy historycznej i porównawczej jest wykazanie potrzeby projektowania elastycznych struktur i form budowlanych, które mogą realnie odpowiadać na potrzeby nowych najemców w rozpoczętej IV rewolucji industrialnej.

11

The era of digitalization in education where do universities 4.0 go?

Rosak-Szyrocka Joanna

Management Systems in Production Engineering

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2024

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nr 1 (32)

54--66

EN

Digitalization has revolutionized one of the most significant industries in the modern world, which is education. It has proven to be a successful and renowned strategy throughout the entire spectrum of the education industry. It has dissolved the distinction between physical and virtual distance and integrated more scientific methods for instructors to teach pupils. In order to select the most relevant studies in the digitalization field, bibliometric anal-ysis was used, with the principal source of scientific articles selected being the academic platform Scopus. The content of 3836 research articles has been taken into consideration since 2019 and 2023. The search documents related to the “digitalization” issue are in title, abstract, and keywords. In order to highlight the structure of the scientific field, we used a content analysis, inspecting the most common words and the relationships between words. Additionally, a network of co-occurrences was taken into account. The analysis was performed using the WOSviever program. In the next part of the research, the term “digitalization” was examined in more detail. The Scopus search engine uses filters, including the terms "digitalization," "higher,” and "education," but is limited to key words. The content of 104 research articles has been taken into consideration since 2019 and 2023. The re-search results showed that the fields of technology, education, and management provide the theoretical basis for research on the digitalization of higher education. The findings also demonstrate the topic's interdisciplinary char-acter (as seen by publications published in several fields) and its strong relationship to concepts like online learn-ing, digital transformation, and sustainable development. Based on the literature analysis, it can be concluded that University 4.0 will go to the smart fully digital University (University 5.0), will take care of aspects of sustain-able development, and will develop teachers' soft skills, especially emotional intelligence.

12

Impact of COVID-19 on bus rapid transit system usage in Lagos State, Nigeria: A comparative analysis

Aderibigbe Oluwayemi-Oniya Bosede

Journal of Sustainable Development of Transport and Logistics

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2024

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Vol. 9, No. 1

72--84

EN

Purpose: This study aims to analyse the patronage levels of the Bus Rapid Transit (BRT) system in Lagos State, Nigeria, before, during, and after the COVID-19 pandemic. Methodology: Primary data were collected through an online survey distributed via Google Forms, gathering socio-economic and travel information from respondents. Regression analysis was used to identify factors influencing trip frequency on the BRT system during each phase of the pandemic. Results: The findings revealed significant changes in transport costs and trip frequencies across the three periods. Before the pandemic, 55.64% of respondents spent between N501 and N1000 weekly on transport, while 56.41% spent N1501 and more weekly after the pandemic. The factors influencing trip frequency were seat availability, travel stability, driver attitude, ease of boarding and alighting, safety, travel time, and reliability. Theoretical Contribution: This research contributes to understanding the nuanced effects of COVID-19 on public transportation, particularly within the context of BRT systems in Lagos State. Practical Implications: The study suggests that strategic attention should be given to the lessons learned from COVID-19 to develop appropriate strategies for future unforeseen circumstances.

13

A few-shot learning approach for COVID-19 diagnosis using quasi-configured topological spaces

Liu Hui, Wang Chunjie, Jiang Xin, Khishe Mohammad

Journal of Artificial Intelligence and Soft Computing Research

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2024

|

Vol. 14, No. 1

77--95

EN

Accurate and efficient COVID-19 diagnosis is crucial in clinical settings. However, the limited availability of labeled data poses a challenge for traditional machine learning algorithms. To address this issue, we propose Turning Point (TP), a few-shot learning (FSL) approach that leverages high-level turning point mappings to build sophisticated representations across previously labeled data. Unlike existing FSL models, TP learns using quasi-configured topological spaces and efficiently combines the outputs of diverse TP learners. We evaluated TPFSL using three COVID-19 datasets and compared it with seven different benchmarks. Results show that TPFSL outperformed the top-performing benchmark models in both one-shot and five-shot tasks, with an average improvement of 4.50% and 4.43%, respectively. Additionally, TPFSL significantly outperformed the ProtoNet benchmark by 12.966% and 11.033% in one-shot and five-shot classification problems across all datasets. Ablation experiments were also conducted to analyze the impact of variables such as TP density, network topology, distance measure, and TP placement. Overall, TPFSL has the potential to improve the accuracy and speed of diagnoses for COVID-19 in clinical settings and can be a valuable tool for medical professionals.

14

Demand Changes by the SARS CoV-2 Virus Pandemic in Selected Water Supply Systems - Poland case study

Bałut Alicja, Bylka Jędrzej, Januszko Michał

Gaz, Woda i Technika Sanitarna

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2024

|

Nr 2

8--17

EN

This work presents the results of the analysis of changes in water demand for two selected water companies in Poland caused by the SARS-CoV-2 virus pandemic (first wave). Literature that's been published so far has been broadly cited in this work, together with selected evidence collected worldwide. The aim of this article is to evaluate the impact of this type of event on the spatial distribution and variability in water demand using GIS software for two selected samples. The resulting geo-statistical analysis allowed to show areas of greatest variability in water demand using measurements from water meters. In order to achieve this the following research tools developed by ESRI were utilised: "Space Time Cube", "Emerging Hot Spot Analysis" and "Local Outlier Analysis". Indicators of space-time trend were calculated by category using the ArcGIS Pro software. Additionally the knowledge base was expanded with results of a survey conducted in Poland on hundreds of water utilities concerning impacts of the pandemic related changes in how they function, their financial liquidity, threats, and challenges. Interesting conclusions from the obtained results were presented and directions of future research in connection to further development of the situation in the world were considered. Given the lack of possibility to reference events of this type from the past, this analysis should be treated as an introductory research of this issue in Poland.

PL

W pracy przedstawiono wyniki analizy zmienności zapotrzebowania na wodę dla dwóch wybranych przedsiębiorstw wodociągowych w Polsce spowodowanych pandemią wirusa SARS-CoV-2 (pierwsza fala). Omówiono dotychczas opublikowaną literaturę oraz badania w tym zakresie realizowane na całym świecie. Celem artykułu jest ocena wpływu pandemii na rozkład przestrzenny i zmienność zapotrzebowania na wodę, przy wykorzystaniu oprogramowania GIS. Analizę wykonano dla dwóch jednostek osadniczych. Analiza geostatystyczna pozwoliła na wskazanie obszarów o największej zmianie zapotrzebowania na wodę, na podstawie analiza danych pomiarowych z wodomierzy. Do celu realizacji badań wykorzystano następujące narzędzia badawcze w pakiecie oprogramowania ESRI: "Space Time Cube", "Emerging Hot Spot Analysis" i "Local Outlier Analysis". Wskaźniki trendu czasoprzestrzennego obliczono według przy użyciu oprogramowania ArcGIS Pro. Dodatkowo baza wiedzy została poszerzona o wyniki badania przeprowadzonego w Polsce wśród setek przedsiębiorstw wodociągowych, na temat skutków zmian związanych z pandemią na ich funkcjonowanie, płynność finansową oraz zagrożenia i wyzwania związane z tego typu zjawiskami. Zaprezentowano ciekawe wnioski z uzyskanych wyników oraz rozważono kierunki przyszłych badań, w związku z dalszym rozwojem sytuacji na świecie. Ze względu na brak możliwości odniesienia się do tego typu wydarzeń z przeszłości, niniejszą analizę należy traktować jako wstępne badania tego zagadnienia w Polsce.

15

Impact of COVID-19 pandemic on the air quality of polish cities – challenges for managers

Hajduk-Stelmachowicz Marzena, Bełch Paulina, Szczygieł Elżbieta, Fura Barbara, Frankiewicz Michał Piotr

Economics and Environment

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2024

|

No. 3

art. no. 784

EN

This article aimed to investigate the coronavirus pandemic's impact on air quality in Poland. The study used data from 2015–2023 from measurement stations located in five large Polish cities with different geographical locations. The data concerned particulate matter (PM2.5, PM10) and nitrogen oxides (NOx). On the basis of the statistical analyses performed, a decrease in the amount of all types of pollutants was found in 2020, with a reduction in the concentration of NOx being statistically significant only for two of the three cities studied (Kraków and Wrocław). It was concluded that the restrictions introduced in relation to the SARS-CoV-2 virus may have contributed to an improvement in air quality in Polish cities compared to previous years.

PL

Celem niniejszego artykułu było zbadanie wpływu pandemii koronawirusa na jakość powietrza w Polsce. W badaniu wykorzystano dane z lat 2015-2023 ze stacji pomiarowych zlokalizowanych w pięciu dużych polskich miastach o różnym położeniu geograficznym. Dane dotyczyły pyłu zawieszonego (PM2.5, PM10) oraz tlenków azotu (NOx). Na podstawie przeprowadzonych analiz statystycznych stwierdzono spadek ilości wszystkich rodzajów zanieczyszczeń w 2020 r., przy czym redukcja stężenia tlenków azotu była istotna statystycznie tylko dla dwóch z trzech badanych miast (Krakowa i Wrocławia). Stwierdzono, że wprowadzone ograniczenia związane z wirusem SARS-CoV-2 mogły przyczynić się do poprawy jakości powietrza w polskich miastach względem lat wcześniejszych.

16

Development of the tourism function of rural areas of the Warmińsko-Mazurskie voivodeship in 2010 and 2020

Brodziński Zbigniew, Turkowski Konrad

Economics and Environment

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2024

|

No. 1

art. no. 610

EN

Warmińsko-Mazurskie voivodeship is a characteristic region of Poland due to its natural conditions, which means that the economy is primarily agricultural and touristic. One of the main, innovative directions of non-agricultural activities supported in the rural areas of the region is rural tourism together, implemented as part of the smart specialisation "Water economy". Analysis of 19 selected indicators of tourism, tourism development and potential, as well as technical infrastructure and finances of communes, showed that in 2010 of the Warmińsko-Mazurskie voivodeship, the level of development of the tourism function of the rural areas was characterised by an average value of the synthetic Hellwig measure (0.13) and showed strong spatial heterogeneity. In 2020, under conditions of the COVID-19 pandemic, this measure decreased only slightly to a value of 0.11, primarily due to the continuation of the region's tourism development planned for the long term. The spatial arrangement of the development of the tourism function in the analysed years remained virtually unchanged. The highest values for the development of the tourism function, both in 2010 and in 2020, were recorded in municipalities located in the area of the Great Mazurian Lakes, Powiśle and the other lake districts of the region. References

PL

Województwo warmińsko-mazurskie jest charakterystycznym regionem Polski, ze względu na warunki przyrodnicze, co powoduje, że gospodarka ma charakter przede wszystkim rolniczy i turystyczny. Jednym z głównych, innowacyjnych kierunków pozarolniczej działalności wspieranej na obszarach wiejskich regionu jest turystyka wiejska wraz z agroturystyką, realizowana w ramach inteligentnej specjalizacji “Ekonomia wody”. Analiza dziewiętnastu wybranych wskaźników ruchu turystycznego, zagospodarowania i potencjału turystycznego oraz infrastruktury technicznej i finansów gmin badanych obszarów wykazała, że w 2010 roku rozwój funkcji turystycznej charakteryzował się przeciętną wartością syntetycznego miernika Hellwiga (0.13) i charakteryzował się silną heterogeniczność przestrzenną. W roku 2020, w warunkach pandemii COVID–19, miernik ten uległ jedynie niewielkiemu obniżeniu do wartości 0.11, przede wszystkim dzięki kontynuacji zaplanowanego w dłuższej perspektywie czasowej rozwoju zagospodarowania turystycznego regionu. Układ przestrzenny rozwoju funkcji turystycznej w analizowanych latach pozostawał praktycznie bez zmian. Najwyższe wartości rozwoju funkcji turystycznej, zarówno w 2010, jak i w 2020 roku, odnotowano w gminach zlokalizowanych na obszarze Wielkich Jezior Mazurskich, Powiśla i pozostałych pojezierzy regionu.

17

The Impact of Incorporating Medical Mask Waste Fiber on the Rheological Properties of Asphalt

Putra I Gusti Agung Ananda, Thanaya I Nyoman Arya, Ariawan I Made Agus, Ciawi Yenni

Ecological Engineering & Environmental Technology

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2024

|

Vol. 25, iss. 9

109--115

EN

The impact of incorporating medical mask waste fibers on the rheological properties of asphalt in the review of the asphalt stiffness modulus (E*) using the dynamic shear rheometer (DSR) tool needs to be done, to determine the improvement of asphalt rheological properties, so that the garbage from masks produced during the Covid-19 pandemic might be utilized as an additive for asphalt. The method used is laboratory experiments by adding mask waste fibers with variations in levels of 1%, 2%, and 3% to the total weight of asphalt and making a test specimen design. This test is conducted under three conditions: initial condition, rolling thin film oven test (RTFOT) condition, and pressure aging vessel (PAV) condition. In the initial condition, the asphalt stiffness modulus increased by 6–78% with 1% mask fiber, 39–148% with 2% mask fiber, and 70–253% with 3% mask fiber. The decrease in the asphalt stiffness modulus of asphalt with 3% mask fiber indicates higher asphalt temperature during deformation (rutting), with initial conditioning at 75.1 °C and RTFOT residual asphalt at 69.7 °C. Conversely, the large asphalt stiffness modulus (E*) value with 3% mask fiber suggests a tendency for earlier fatigue cracking at low temperatures, evidenced by the increasing asphalt stiffness modulus (E*) value during fatigue cracking in PAV residual asphalt conditioning at 26.0 °C. This study is limited to laboratory testing, so using mask fibers in asphalt requires long-term evaluation for real-world reliability. The research proposes using medical mask waste to improve asphalt’s rheological properties, potentially reducing environmental impact and enhancing performance. Initial results are promising, but further research is needed to confirm sustainability and effectiveness in practical applications.

18

Assessment of the Impact of Covid-19 Related Containment on the Normalized Vegetation Index – A Remote Sensing Study of the Korifla Sub Watershed, Morocco

Eddefli Fatimazahra, Tayebi Mohamed, Salih Sara

Ecological Engineering & Environmental Technology

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2024

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Vol. 25, iss. 6

1--9

EN

This study analyzes the impact of containment due to the COVID-19 pandemic on the vegetation cover of the Korifla sub-watershed, based on remote sensing data and spatial analysis. The aim of this study was to analyze the impact of the containment imposed in response to the COVID-19 pandemic on the vegetation cover and to highlight significant changes in the distribution of normalized difference vegetation index (NDVI) before and after the containment period, as well as to identify the areas most affected by these changes. The results highlight significant fluctuations in the distribution of vegetation cover, including a decrease in water area and variations in the categories of bare soil, sparse, medium-dense and dense vegetation. Using NDVI as an indicator of vegetation health, changes before and after the confinement period were highlighted. These results highlight the impact of anthropogenic disturbances such as confinement on plant ecosystems, and underline the importance of continuously monitoring vegetation cover for sustainable natural resource management and biodiversity preservation. With climatic conditions in Morocco stagnating in the two years following containment, the climatic factor is now set aside, and the focus shifts to the impact of reduced human activity.

19

Impact of the COVID-19 pandemic on the secondary market of real estates. A case study

Słonina Andżelika, Krzyżek Robert, De Paola Pierfrancesco, Maciuk Kamil

Budownictwo i Architektura

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2024

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Vol. 23, no 1

5--12

EN

The topic of the paper is the analysis of the situation in the secondary real estate market in Krakow from 2017 to 2020. The research was conducted based on data obtained from the register of real estate prices and values. The results of the research helped detect changes occurring in the indicated years; the number of transactions in the housing market in the city oscillated around the value of 4,000 for each year. The high demand for real estate was significantly disrupted by 2020 and the outbreak of the COVID-19 pandemic. Despite an almost 50% drop in the number of transactions and reduced interest from potential buyers, the price of 1m2 of residential space rose steadily. Thus, the pandemic only affected the number of transactions, while no deceleration of the rising trend was observed in terms of the average transaction price or the average price per square meter.

PL

Tematem pracy jest analiza sytuacji na rynku wtórnym nieruchomości w Krakowie w latach 2017- 2020. Badania przeprowadzono na podstawie danych uzyskanych z rejestru cen i wartości nieruchomości. Wyniki badań pomogły wykryć zmiany zachodzące we wskazanych latach; liczba transakcji na rynku mieszkaniowym w mieście oscylowała wokół wartości 4000 dla każdego roku. Wysokie zapotrzebowanie na nieruchomości zostało znacząco zakłócone w 2020 roku w wyniku wybuchu pandemii COVID-19. Pomimo prawie 50% spadku liczby transakcji i zmniejszonego zainteresowania ze strony potencjalnych kupujących, cena 1m2 powierzchni mieszkalnej stale rosła. W związku z tym pandemia wpłynęła tylko na liczbę transakcji, natomiast nie zaobserwowano spowolnienia rosnącego trendu w zakresie średniej ceny transakcji czy średniej ceny za metr kwadratowy.

20

SARS-CoV-2 - the origin and spread in the human population - Part 1. The origin and spread of SARS-CoV-2

Piwowar Monika W., Ptak-Kaczor Magdalena, Dygut Jacek

Bio-Algorithms and Med-Systems

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2024

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Vol. 20, no. 1

62--69

EN

Objective: This paper contains an overview of information related to the origin of the SARS-CoV-2 virus, its characteristics, including mutational variability, and monitoring the virus's presence in the human population. Methods: A review of medical and biological literature from the PubMed/MEDLINE databases from 1998 to 2024 was performed regarding research on SARS viruses, particularly SARS-CoV-2. Results and conclusions: At the end of 2019, cases of a new virus were recorded in China, which within a few months, as a result of free population migration, was transferred to various regions in the world. In the first quarter of 2020, the World Health Organization announced the SARS-CoV-2 pandemic. In addition to the characteristics of coronaviruses, headed by the SARS-CoV-2 virus, this manuscript contains several threads to provoke discussion, especially concerning the ethical aspects of “gain of function” research, which make pathogens more contagious, dangerous and lethal to humans. Attention is also paid to the essence of reliable work and documentation of scientific work.