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Tytuł:
The Evolution of Compost Phytotoxicity during Municipal Waste and Poultry Manure Composting
Autorzy:
Aylaj, Mina
Adani, Fabrizio
Powiązania:
https://bibliotekanauki.pl/articles/24202894.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
composting
seed germination
root length
phytotoxicity
Beta vulgaris L.
Solanum lycopersicon L.
Opis:
Composting is commonly used for waste management and the evaluation of its quality is important for successful application. Seed germination test is commonly adopted due to its capacity to examine the toxicity level of compost. The seed test is usually evaluated on the final product and the results can vary with the different methods and the type of seed utilized. In this study, the evolution of seed germination tests during the composting process of municipal waste (MSW) mixed with poultry manure (PM) of two species tomato and sugar beet was examined. The impact of compost water extracts on seed germination and plant primary root growth for each sampling was reported. The chemical parametrs were evaluated on the final product. Results show that mixture C1 with a higher amount of municipal waste gave less compost yield than mixture C2. After 35 days of composting, the compost was phytotoxic for tomato and sugar beet seeds. The seeds of the two cultures reacted differently to the same compost. The compost could stimulate sugar beet germination at days 110, 140, 180, 212 and 252. Seed germination of sugar beet was increased and delayed by one day by the compost stabilized and mature as compared with the control.
Źródło:
Journal of Ecological Engineering; 2023, 24, 6; 281--293
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exploring Proximities in Coworking Spaces: Evidence from Italy
Autorzy:
Mariotti, Ilaria
Akhavan, Mina
Powiązania:
https://bibliotekanauki.pl/articles/1019598.pdf
Data publikacji:
2020-06-30
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
coworking space
coworker
proximity measures
Italy
Opis:
Since the mid-2000s, the rising phenomenon of coworking spaces (CSs) has provided a flexible and mainly affordable solution for freelancers, entrepreneurs, small firms and start-ups, which may had experienced the issues of isolation when working from home, to work in a shared workplace, interact, socialize and share knowledge. This article explores the phenomenon of CSs within the theoretical framework of proximity measures a là Boschma (2005) – cognitive, organisational, social and institutional – that underpin the aspects of innovation, interaction and knowledge exchange. Though some studies on CSs have indirectly studied the different aspects of proximity, only a few of them focused on the importance of proximity measures at the workspace. With the aim to fill the gap in the literature, an empirical study was applied to Italy with 549 active CSs in 2018. The data was collected through an on-line questionnaire, addressed to a sample of 326 coworkers, focusing mainly on the set of questions devoted to understanding whether coworkers have exploited the proximity typologies in their CSs, have experienced increases in their revenues and well-being. The results are critically discussed, and some insights on policy implications are proposed.
Źródło:
European Spatial Research and Policy; 2020, 27, 1; 37-52
1231-1952
1896-1525
Pojawia się w:
European Spatial Research and Policy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Two-Dimensional Drone Base Station Placement in Cellular Networks Using MINLP Model
Autorzy:
Taghavi, Mina
Abouei, Jamshid
Powiązania:
https://bibliotekanauki.pl/articles/227091.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
5G cellular networks
drone base stations
mobile base stations
node placement
Opis:
Utilization of drones is going to become predominated in cellular networks as aerial base stations in order to temporary cover areas where stationary base stations cannot serve the users. Detecting optimal location and efficient number of drone-Base Stations (DBSs) are the targets we tackle in this paper. Toward this goal, we first model the problem using mixed integer non-linear programming. The output of the proposed method is the number and the optimal location of DBSs in a two-dimension area, and the object is to maximize the number of covered users. In the second step, since the proposed method is not solvable using conventional methods, we use a proposed method to solve the optimization problem. Simulation results illustrate that the proposed method has achieved its goals.
Źródło:
International Journal of Electronics and Telecommunications; 2019, 65, 4; 701-706
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effects of the COVID-19 Pandemic on Trust in the European Union
Wpływ pandemii COVID-19 na zaufanie do Unii Europejskiej
Autorzy:
Pastarmadzhieva, Daniela
Angelova, Mina
Powiązania:
https://bibliotekanauki.pl/articles/2007263.pdf
Data publikacji:
2021-12-15
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
trust
pandemic
European Union
zaufanie
pandemia
Unia Europejska
Opis:
At the beginning of 2020, the world faced a new and unexpected challenge. Such a harmful situation has a potential to increase tensions in societies and create citizens’ distrust in their own governments and the European Union. In relation to these observations, the main hypothesis assumes that citizens’ trust in the Union decreased during the pandemic, compared to previous periods. Thus, the aim of the study is to identify the dynamics of trust in the EU in the member states. The research’s object is the citizens of the EU member states and the focus on dynamics in the levels of trust in 2016–2020, measured based on selected indicators. The data for analysis comes from the Eurobarometer. Statistical methods (frequencies and cross tables) and comparative approach are used for the analysis. On the macrolevel, it seemed that European leaders could do better, especially in the initial stages of the COVID-19 pandemic. However, the results of the Eurobarometer survey performed in the summer of 2020 show that average trust in the Union did not decreased. Тhe data shows that there is a variety across the countries, which was not presented in the current study. Thus, a further examination focused on the context in each of the countries is required, namely policies and measures stringency.
Na początku 2020 roku świat zetknął się z nowym i niespodziewanym wyzwaniem. Tak niesprzyjająca sytuacja ma potencjał zwiększenia napięć wśród społeczeństw i budowania sytuacji braku zaufania obywateli wobec własnych rządów i Unii Europejskiej. W odniesieniu do tych obserwacji główna hipoteza badawcza to założenie, że podczas pandemii zmniejszyło się zaufanie obywateli wobec państw członkowskich Unii Europejskiej w stosunku do lat poprzednich. W związku z tym celem badania jest identyfikacja dynamiki zmiany zaufania wobec Unii Europejskiej wśród jej państw członkowskich. Przedmiotem badania są obywatele Unii Europejskiej oraz skupienie na dynamice poziomu zaufania w latach 2016–2020 badane na podstawie wybranych wskaźników. Wykorzystane dane pochodzą z systemu Eurobarometr. Na potrzeby analizy posłużono się metodą analizy statystycznej (częstości i tablic krzyżowych) oraz porównawczej. Wydaje się, że na makropoziomie decydenci europejscy mogli sobie poradzić lepiej, zwłaszcza na wstępnych etapach wybuchu pandemii COVID-19. Wyniki ankiety przeprowadzonej przez Eurobarometr latem 2020 roku pokazują, że sytuacja różni się między państwami, czego jednak nie zaprezentowano w niniejszym badaniu. Z tego powodu potrzeba dalszych analiz skupionych na kontekście każdego państwa, tj. polityk szczegółowych i poziomu restrykcyjności wykorzystanych środków.
Źródło:
Środkowoeuropejskie Studia Polityczne; 2021, 4; 19-30
1731-7517
Pojawia się w:
Środkowoeuropejskie Studia Polityczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Metody arkhitekturno-stroitel'nykh reshenijj teplovaja effektivnost' zdanijj
Methods of architectural and construction solutions and thermal effectiveness of buildings
Autorzy:
Kulikov, G.
Kaz'mina, A.
Powiązania:
https://bibliotekanauki.pl/articles/77512.pdf
Data publikacji:
2014
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
thermal effectiveness
solar energy
climatic factor
building parameter
microclimate
thermal power
thermal balance
Źródło:
Motrol. Motoryzacja i Energetyka Rolnictwa; 2014, 16, 5
1730-8658
Pojawia się w:
Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Second-Language Learners from Collectivistic Societies own Self-Efficacy Effects on Performance and Self Perception of Career Success.
Autorzy:
Parra, Carlos
Geriguis-Mina, Nanci
Powiązania:
https://bibliotekanauki.pl/articles/1968642.pdf
Data publikacji:
2021-07-01
Wydawca:
Academicus. International Scientific Journal publishing house
Tematy:
second-language learners
collectivistic societies
self-efficacy
self-perception
language acquisition
career success
performance
Opis:
In reference to cultural patterns in collectivistic societies, teaching and learning are greatly influenced by the teachers’ collectivistic or individualistic cultural orientation (Kaur & Noman, 2015). However, in dealing with both audiences and their teaching platforms, a chasm appears between methodologies and their applications since collectivistic societies are reluctant to accept methodologies perceived as mere Western innovations. In other words, a seemingly pedagogical incongruence arises where direct individualistic Western influence is perceived as unsuitable to a collectivistic mindset. One must keep in mind that family members in collectivist societies, who view themselves as part of a group rather than independent individuals, seem to feel more interdependent and mutually responsible for each other. In addition to Vygotski’s assertion that children’s cognitive development is enriched through social interaction with more skilled individuals (1978), Bandura (1982) emphasizes that the degree to which learners believe in their own self-efficacy influences their functioning cognitively, motivationally, emotionally, and their decision making process. Also, self-efficacy is perceived to accelerate the process of adapting to a new environment while learners adopt new cultural practices and consent to norms and expectations. In our exploration, second-language learners (SLLs) from collectivistic societies advance academically—English as a second language included—within the frame of sociocultural theory, since they seem to be motivated by their culturally- induced sense of obligation to honor their parents and other group members. These SLLs are positively influenced by their prior experiences with the group’s perceptions and expectations of their capability to learn an additional language (Bandura & Schunk, 1981; Schunk, 1991). Our research seems to indicate that this outcome is significantly affected by the self-efficacy and self-reliance produced by prior successes in challenging tasks that may have been mandated by the SLL’s elders. In addition, SLLs also seem to succeed in accomplishing more challenging goals as they observe their families’ values and traditions even when they are in a society that enforces individualistic values.
Źródło:
Academicus International Scientific Journal; 2021, 12, 24; 130-158
2079-3715
2309-1088
Pojawia się w:
Academicus International Scientific Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Noise level measurement and analysis in a manufacturing enterprise
Autorzy:
Wojtyto, Dorota
Michalik, Joanna
Angelova, Mina
Powiązania:
https://bibliotekanauki.pl/articles/1831303.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
noise
work environment factors
work safety
occupational risk
hałas
czynniki środowiska pracy
bezpieczeństwo pracy
ryzyko zawodowe
Opis:
Noise is one of the most common physical factors causing nuisance and harmful to worker health in the long term. The focus of the research was the measurement and analysis of the noise level at the screw injection moulding machine operation station intended for plastic elements’ manufacturing. The occupational risk evaluation was conducted based on the observed data. The results of the study allowed for the development of precautionary and preventive measures. Furthermore, the paper features identification of the work environment factors occurring in the studied manufacturing enterprise with division to dangerous, harmful, and bothersome.
Źródło:
System Safety : Human - Technical Facility - Environment; 2021, 3, 1; 192-200
2657-5450
Pojawia się w:
System Safety : Human - Technical Facility - Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A “CORDIALIDADE” DO POVO BRASILEIRO FRENTE À IMIGRAÇÃO DE VENEZUELANOS EM RORAIMA: UMA DISCUSSÃO SOBRE A XENOFOBIA
The “Cordiality” of the Brazilian People Towards the Migration of Venezuelans in Roraima: A Discussion on Xenofobia
Autorzy:
VIDAL MINA, Renan
TENÓRIO LIMA, José Rodolfo
Powiązania:
https://bibliotekanauki.pl/articles/485864.pdf
Data publikacji:
2018-12-31
Wydawca:
Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
Tematy:
xenofobia
Venezuelanos
Roraima
Brasileiros
cordialidade
Xenophobia
Venezuelans
Brazilians
cordiality
Opis:
Um dos principais reflexos da chegada de milhares de venezuelanos em Roraima é a emergência das ações xenófobas por parte dos brasileiros que aí residem. Tal contexto tem colocado em che-que, uma vez mais, a ideia de cordialidade do povo brasileiro. Recorrendo às falas de alguns ato-res brasileiros divulgadas em portais de notícias vinculados a Roraima, às publicações dos sujei-tos em perfis específicos do Facebook e ainda utilizando como alicerce metodológico a teoria simmeliana acerca da forma e conteúdo, buscamos extrair os pressupostos que estão envoltos na materialização da xenofobia frente aos venezuelanos. O objetivo foi tentar entender o que está se passando em Roraima, categorizando as ações xenófobas entre o “menos extremo” e o “mais ex-tremo”, e identificando os pressupostos (a priori) que estão balizando a construção da xenofobia enquanto configuração social. Notamos que a xenofobia tem se apresentado como fruto de um conjunto de pressupostos específicos manifestados por alguns brasileiros, que passam a culpabi-lizar os venezuelanos pelo aumento da violência, criminalidade, etc. Percebemos também que a xenofobia materializa-se em dimensões que vão desde a violência simbólica (xingamentos, por exemplo) até ações mais extremas, isto é, a violência física contra os imigrantes (atentados e homicídios).
One of the main reflections on the arrival of thousands of Venezuelans in Roraima is the emergence of xenophobic actions by the Brazilians who live there. This context has once again chal-lenged the idea of Brazilian people’s cordiality. Using speeches by some Brazilian actors publis-hed in news outlets linked to Roraima, posts on specific Facebook profiles on the subject and utilizing Simmelian theory about form and content as a methodological foundation, we seek to ex-pose the assumptions that are involved in the materialization of xenophobia against Venezue-lans. The objective was to try to understand what is happening in Roraima, categorize xenopho-bic actions as "less extreme" and "more extreme", and identify the (a priori) assumptions that are marking the construction of xenophobia as a social configuration. We note that xenophobia has come as a result of a set of specific assumptions manifested by some Brazilians, who are blaming Venezuelans for the increase in violence, crime, etc. We also realize that xenophobia materiali-zes in dimensions that range from symbolic violence (e.g. name-calling) to more extreme ac-tions, that is, physical violence against immigrants (attacks and homicides).
Źródło:
Revista del CESLA. International Latin American Studies Review; 2018, 22; 327-346
1641-4713
Pojawia się w:
Revista del CESLA. International Latin American Studies Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zadachi, opredeljayushhie harakter rekonstrukcii zhilishha
Problems reconstruction of dwelling defining character
Autorzy:
Kulikov, G.
Kaz'mina, A.
Kondrat'eva, N.
Powiązania:
https://bibliotekanauki.pl/articles/77517.pdf
Data publikacji:
2012
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Opis:
Prior to the beginning of definition of character of reconstruction of buildings working out of applied techniques and their address decision.
Źródło:
Motrol. Motoryzacja i Energetyka Rolnictwa; 2012, 14, 1
1730-8658
Pojawia się w:
Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
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