Results 41 to 50 of about 1,667 (105)

Metropolisation Processes In Contemporary Space Of Poland [PDF]

open access: yes, 2014
Published in: Origin Spatial Development of Contemporary Poland in Łódź University Geographical Research, edited by T.MarszałThe last 20 years of scientific research on metropolises and metropolitan areas in Poland can be divided into three basic stages.
Bartosiewicz, Bartosz, Pielesiak, Iwona
core  

Long‐Term Study of Optical Nanoparticles Doped With Yb3+/Er3+ and Transition Metal Ions and their Real Application for Imaging and Temperature Sensing on Triticum Aestivum L.

open access: yesAdvanced Optical Materials, Volume 13, Issue 18, June 26, 2025.
This work shows a study on SrF2:Yb3+, Er3+ water colloid, additionally doped with transition metals (Sc3+ or Zn2+) to enhance observed emission, tested during 22 weeks of storage in ambient conditions. Due to high stability, excellent optical properties achieved under 975 nm excitation, and negligible phytotoxicity, the nanoparticles are applied for ...
Dominika Przybylska   +4 more
wiley   +1 more source

High‐Sensitivity Dopamine Detection with Copper Terephthalate‐Modified Carbon Electrode

open access: yesAdvanced Sensor Research, Volume 4, Issue 5, May 2025.
This work introduces a facile synthesis of a copper‐terephthalate with a flake‐like morphology and layered topology. The Cu‐BDC demonstrates exceptional performance as a glassy carbon electrode modifier, enabling highly sensitive and reliable dopamine detection.
Aleksander Ejsmont   +3 more
wiley   +1 more source

Protection of a Landscape Park’s Area in The Spatial Extent of Impact of the Poznan Agglomeration, Midwestern Poland

open access: yesEkológia (Bratislava), 2015
This paper points out possibilities for limiting anthropic pressure in the Puszcza Zielonka Landscape Park in Poland. Based on the identification and evaluation of the most precious fragments of the environment, it determines the attractiveness of the ...
Raszka Beata, Kalbarczyk Eliza
doaj   +1 more source

Socio-economic transformation of Poland’s largest cities over the years 1998–2008: A multivariate approach [PDF]

open access: yes, 2018
This article seeks to show changes in the socio-economic structure of the thirty largest Polish cities, in topological relations, and in the type of socio-economic differences among them.
Mierzejewska, Lidia
core   +1 more source

Development of school network under the influence of demographic changes in the Poznan agglomeration [PDF]

open access: yes, 2017
The aim of the article is to present the spatial differentiation of the results of the lower secondary school exam in the Poznan agglomeration. The article makes reference to the theory of social capital, developed on the basis of the social sciences by ...
Walaszek, Marzena
core   +2 more sources

Dynamics in Patterns of Internal Migration in Poland Between 2017 and 2023 – What Are the Impacts of COVID‐19?

open access: yesPopulation, Space and Place, Volume 31, Issue 2, March 2025.
ABSTRACT The COVID‐19 pandemic had a profound spatial impact on economic, cultural and social life, notably altering mobility, including internal migration. Many studies to date looked into various aspects of internal migration patterns after the pandemic outbreak. However, little research has been focused on the area of Central and Eastern Europe. The
Karol Korczyński, Katarzyna Kajdanek
wiley   +1 more source

The Warsaw – Lodz Duopolis in the light of the changes in the urban population density [PDF]

open access: yes, 2013
The article presents the changes in the urban population density in the 20th c., in central Poland, in an area where the two largest Polish cities – Warsaw and Lodz are situated, within a distance of 120 km from each other.
Jażdżewska, Iwona
core  

The model of cohesion development of metropolitan areas [PDF]

open access: yes, 2015
Artykuł analizuje doświadczenia jednostek samorządu terytorialnego aglomeracji poznańskiej w rozwijaniu różnych form kooperacji. Szczególna uwaga została poświęcona rozpoznaniu i zaprezentowaniu instytucjonalnych form współdziałania na tworzących się ...
Nowak, Jacek F.
core   +2 more sources

Covalent Organic Frameworks and 2D Materials Hybrids: Synthesis Strategies, Properties Enhancements, and Future Directions

open access: yesSmall, Volume 21, Issue 8, February 25, 2025.
This review presents the current state of 2D materials (2DMs) ‐ covalent organic frameworks (COFs) hybrids, focusing on their physicochemical properties, synthesis methods, and applications in sensing, catalysis, energy storage, and filtration. It outlines the strengths and weaknesses of 2DMs and COFs, highlights synergistic benefits from hybridization,
Cataldo Valentini   +4 more
wiley   +1 more source

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