Results 41 to 50 of about 6,760 (166)

Effect of powder grinding and sintering temperature on structure and properties of Ba0.8Ca0.2TiO3 ceramics [PDF]

open access: yesProcessing and Application of Ceramics
Lead-free barium-calcium titanate (BCT) ceramics were prepared via the solid-state method and sintering at different temperatures. The influence of BCT powder grinding on particle morphology, porosity and particle size distribution was investigated.
Gromada Magdalena
doaj   +1 more source

Designing a Reliable UAV Architecture Operating in a Real Environment

open access: yesApplied Sciences, 2021
The article presents a method of designing a selected unmanned aerial platform flight scenario based on the principles of designing a reliable (Unmanned Aerial Vehicle) UAV architecture operating in an environment in which other platforms operate.
Krzysztof Andrzej Gromada   +1 more
doaj   +1 more source

Synthesis and characterization of bis(eta(5)-1,2,3,4,5-pentamethylcyclopentadienyl)(eta(3)-1-phenylallyl)lanthanum center dot tetrahydrofuran [PDF]

open access: yes, 2006
The title compound has been prepared from Cp-2*LaCl2K(THF)(2) and 1-PhC3H4K-(THF)(0.5) in THF suspension, forming yellow single crystals from hexane solution which were characterized in solid state and in solution by elementary analysis, IR, C-13- and ...
Kretschmer, Winfried P.   +3 more
core   +2 more sources

Czemu służy program Rodzina 500 plus? Analiza celów polityki publicznej i polityki partyjnej

open access: yesRuch Prawniczy, Ekonomiczny i Socjologiczny, 2018
Artykuł analizuje legislację, komunikację medialną oraz zaplanowany sposób ewaluacji programu „Rodziny 500 plus”, aby zidentyfikować jego cele jako polityki publicznej. Wyróżnia siedem celów, które porównuje z celami polityki partyjnej.
Anna Gromada
doaj   +1 more source

POLISH AGRICULTURE ENERGY INTENSITY WITH OTHER ECONOMICSECTORS [PDF]

open access: yesAnnals of the Polish Association of Agricultural and Agribusiness Economists, 2017
The aim of this article is to assess the energy intensity of Polish agriculture with other sectors of theeconomy. The article also assesses the share of agriculture in final energy consumption in the EuropeanUnion countries.
Marcin Wysokiński   +2 more
doaj   +1 more source

Dietary moderately oxidized oil induces expression of fibroblast growth factor 21 in the liver of pigs [PDF]

open access: yes, 2012
BACKGROUND: Fibroblast growth factor 21 (FGF21), whose expression is induced by peroxisome proliferator-activated receptor alpha (PPARalpha), has been recently identified as a novel metabolic regulator which plays a crucial role in glucose homeostasis ...
Eder, Klaus   +2 more
core   +2 more sources

The Diversification of Tourism Space in Central Pomerania [PDF]

open access: yes, 2014
Although it is among the most frequently used notions in the study of tourism, the concept of tourism space is understood in a variety of ways. Similar to the term ‘geographical space’, it is often used intuitively, often in quite dissimilar contexts ...
Rydz, Eugeniusz
core   +1 more source

PROBLEM OF FUEL POVERTY IN POLAND [PDF]

open access: yesAnnals of the Polish Association of Agricultural and Agribusiness Economists, 2018
The aim of the paper was to assess the level of energy poverty in Poland. In recent years the attemptswere made to define this phenomenon and treat it as a separate concept in relation to income poverty.Energy poverty is a difficulty in meeting basic ...
Marcin Wysokiński   +2 more
doaj   +1 more source

Działalność Prezydium Gromadzkiej Rady Narodowej w Krokocicach (1954–1968)

open access: yesBiuletyn Szadkowski
Gromadzka Rada Narodowa w Krokocicach została utworzona w wyniku reformy administracyjnej w 1954 r. W jej skład weszły obszary gromad: Choszczewo, Krokocice, Lichawa, Łobudzice, Wola Krokocka, Wola Łobudzka i część obszaru dotychczasowej gromady Stefanów-
Jarosław Stulczewski
doaj   +1 more source

The Role of the Inhabitants of Łódź in the Urbanisation of its Surrounding Area [PDF]

open access: yes, 2017
This article describes the urbanisation process within the recreational region surrounding Łódź. After an introduction to theoretical issues, the topic will be the ongoing changes, their stages, and effects on various planes of this urbanisation.
Makowska-Iskierka, Marzena
core   +1 more source

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