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The aim of the study was to determine and evaluate the level of sustainable development of counties in Poland. Counties were divided into four types – voivodship cities, other cities, land counties in the immediate vicinity of voivodship cities and other land counties. Statistical data from the Local Data Bank of the Central Statistical Office of Poland for 2018 were applied. A set of indicators of...
High temperature enamel coatings with quite high firing temperature, which impart the required protective properties and heat resistance, were obtained. The results of scientific and experimental studies of the parameters and properties of the obtained coatings based on composite make-up modified by additives of refractory fillers introduced by via nanosize oxide powders are presented.
The aim of this study was to evaluate the influence of sucrose concentration in the preculture medium, as well as the duration of osmotic dehydration on the efficiency of chrysanthemum ‘Richmond’, ‘Lady Orange’ and ‘Lady Salmon’ cryopreservation by encapsulation-dehydration technique. For all cultivars tested, the best regrowth of cryopreserved shot tips was recorded with 0.25 M sucrose concentration...
Cryopreservation is widely applied to many economically important species excluding chimera plants which are problematic for long-term conservation. Their storage problems can be circumvented only by cryopreserving meristems. This study looked at the morphogenetic response of shoot tips of periclinal chimera chrysanthemum ‘Lady Orange’ and ‘Lady Salmon’, as well as the solid mutant ‘Richmond’, that...
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