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Foreign markets are becoming a place for business activity of increasing number of Polish companies. However, because of this, the need to pay attention to the credibility of foreign companies operating on these markets increases as well. The study's results show that a high percentage of Polish companies check the foreign partners. Majority of the Polish exporters gather the information about foreign companies alone, primarily through the analysis of the data available in the internet. A smaller number of surveyed companies use the services of professional institutions.
OpenStreetMap (OSM) is a collaborative project covering the whole World with topographic data. Data are edited by volunteer users on the basis of satellite images, ortophotomaps and GPS traces, therefore are of diversified quality, especially completeness and positional accuracy. The aim of this study was to evaluate the usability of OSM forest data for Poland. We proved that positional accuracy, expressed by RMSE that equals to 16 m, was comparable with the national topographic data at the scale 1:10 000. However 3.5% of the outliers were noticed, for which the positional accuracy amounted to about 300 m. The completeness of the OSM data in May 2017, computed on the basis of Czekanowski matching feature area−based completeness index, equalled 86% and was still increasing. The lowest value of the completeness was observed for lubuskie voivodeship (76.4%), while the highest (92.5%) for zachodniopomorskie. For ten voivodeships the completeness of forest cover was greater than national average. In general, there were only a few forest polygons with their name or other pertinent characteristics like tree type (coniferous/deciduous) attributed by the editors. Logical consistency was nearly perfect as only 5.8% of the polygons were topologically incorrect. Forest definition as ‘an area dominated by trees’, is very similar in national topographic data and in OSM, both are based on physical characteristics of the surface of the Earth. Contrary to the national spatial data, OSM data are constantly updated, free and available without restrictions. It constitutes valuable alternative data source for all users. However, the heterogeneity of these data should also be kept in mind, while they are used in analysis and decision process support.
Poziom inteligencji emocjonalnej nie jest zdeterminowany genetycznie ani nie kształtuje się we wczesnym dzieciństwie. W odróżnieniu od ilorazu inteligencji, który od kiedy ukończymy kilkanaście lat zmienia się w niewielkim stopniu, inteligencja emocjonalna wydaje się w dużej mierze wyuczona i rozwija się przez całe życie w wyniku naszych doświadczeń, a zatem może stale wzrastać.
The study describes the influence of the health condition of laboratory animals used in experiments on the credibility and repeatability of research results obtained. It also presents a classification of animals into health categories depending on their microbiological purity: germ-free animals, specific pathogen-free animals and conventional animals. Detailed conditions which have to be fulfilled by animal quarters with a sanitary-hygienic barrier in order to keep specific pathogen-free animals (SPF) are also discussed. Moreover, the study describes general rules compliant with European standards for monitoring the health of laboratory animals, including a detailed register of detected pathogens specific for mice and rats. Numerous pathways of disease spread and their influence on the course of the experiment are pointed out. What is more, examples of the influence of contamination on animal biology and the results of experiments are presented. The table attached contains specific pathogens of mice and rats, which often significantly influence the course of experiments and should be regularly monitored. Pathogens which may cause zoonoses in people are also marked.
W artykule autor przedstawił wiarygodność rolników jako kredytobiorców wobec banków spółdzielczych na tle innych grup klientów. Z uzyskanych danych wynika, że rolnicy byli najbardziej wiarygodnymi kredytobiorcami pod względem spłaty rat kredytów i odsetek. Kredyty zagrożone w rolniczych kredytach brutto stanowiły tylko 1 -2%.
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