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EN
This paper compares the predicted insulation of clothing (Iclp) in Toruń and Koniczynka, presented using a scale of evaluation of thermal environment proposed by B. Krawczyk (2000). The annual mean value of predicted insulation of clothing in urban areas of Toruń was equal to 1.0 clo, which was 0.1 less than in the agricultural area of Koniczynka. The influence of atmospheric circulation on the Iclp index was also analysed. The study used the circulation types as classified by Niedźwiedź (1981) in the Catalogue of atmospheric circulation for the Bydgoszcz-Toruń region (Przybylak and Maszewski 2009, 201 3). The frequency of occurrence of individual circulation types was examined along with their in fluence on the predicted insulation of clothing in different seasons of the year and in an annual course. During the year, the highest mean value of Iclp (1.4 clo in Koniczynka) corresponded to cyclonic situations with northerly advection, whereas the lowest value (0.8 clo in Toruń and Koniczynka) was observed for the anticyclonic wedge.
PL
Celem pracy jest porównanie przewidywanej termoizolacyjności odzieży (Iclp) w Toruniu i Koniczynce. Opracowanie wykonano dla Stacji IMGW Toruń Wrzosy oraz dla Stacji Zintegrowanego Monitoringu Środowiska Przyrodniczego w Koniczynce dla okresu 1998 – 2012. Każda z badanych stacji charakteryzuje się indywidualnymi cechami. Przewidywaną termoizolacyjności odzieży przedstawiono według skali oceny środowiska termicznego zaproponowanej przez B. Krawczyk (2000). Zbadano również wpływ cyrkulacji atmosferycznej na wskaźnik Iclp. W badaniach wykorzystano typy cyrkulacji wg klasyfikacji T. Niedźwiedzia (1981) z Katalogu cyrkulacji atmosferycznej dla Regionu Bydgosko - Toruńskiego (Przybylak i Maszewski 2009, 2013). Przeanalizowano częstość występowania poszczególnych typów cyrkulacji oraz ich wpływ na przewidywaną termoizolacyjność odzieży w poszczególnych porach roku i przebiegu rocznym.
EN
Subject and purpose of work: Urban transport is a key element of the functioning of urban agglomerations around the world. As it is of strategic importance, the needs of its users have to be diagnosed. Due to the fact that students are the most numerous social group using public transport, particular attention should be paid to students as the real creators of the needs of urban transport. The paper aims to diagnose the challenges in urban transport shaped by the process of studentification based on the case study of Toruń. Materials and methods: The multi-stage research approach was adopted, among others a survey among students. The choice of the research area was determined by the fact that Toruń is one of the largest academic centres in Poland. Results: Toruń is experiencing the effects of the studentification process in different dimensions, including the spatial and transport facets. Conclusions: The majority of students use public transport, daily or several times a week. The most preferred means of transport is the tram owing to its relative speed and punctuality.
PL
Przedmiot i cel pracy: Transport miejski jest kluczowym elementem funkcjonowania aglomeracji miejskich. Jego strategiczne znaczenie powoduje, że zdiagnozowanie potrzeb użytkowników jest ważne. Zważywszy na fakt, że najliczniejszą grupą społeczną korzystającą z miejskiego transportu publicznego są osoby młode, studenci, to uwagę należy poświęcić kwestiom związanym z korzystaniem z transportu miejskiego przez tę właśnie grupę użytkowników – realnych kreatorów potrzeb w zakresie transportu miejskiego. Celem pracy jest diagnoza wyzwań w zakresie transportu miejskiego ształtowanych przez proces studentyfikacji na przykładzie miasta Torunia. Materiały i metody: Zastosowano wieloetapową procedurę badawczą obejmującą m.in. badanie ankietowe przeprowadzone wśród studentów. Wybór obszaru badań został podyktowany faktem, że Toruń to jeden z największych ośrodków akademickich w Polsce. Wyniki: W wyniku przeprowadzonych badań zidentyfikowano efekty procesu studentyfikacji w wymiarze przestrzenno-transportowym, wskazano także najważniejsze wyzwania w zakresie transportu miejskiego. Wnioski: Większość studentów korzysta z komunikacji publicznej, codziennie lub kilka razy w tygodniu. Najchętniej wybieranym środkiem transportu jest tramwaj, przede wszystkim z uwagi na stosunkowo krótki czas przejazdu i punktualność.
EN
The sewage treatment plant was monitored to determine the efficiency of technologies employed to reduce microbiological threats. Every four weeks, for a year, sewage was sampled to investigate the effects of post-mechanical and post-biological treatment. Changes in Escherichia coli, D-group streptococci and Salmonella spp. number were analyzed. The reduction of the bacteria in sewage treated mechanically was not significant and did not exceed 1 log. However, a significant reduction in an average number was found. In addition, seasonal variation was found to correlate with the number of each of the selected bacteria groups.
EN
Research was conducted for the present paper on microbiological contamination of the air within the City of Toruń. It follows from the studies conducted that microorganisms occurred in greater numbers in the air within the area of the Old Town than in the Rubinkowo residential district. The number of microorganisms in the air was subject to seasonal changes. The highest numbers of heterotrophic mesophylic bacteria (CFU 37°C) were found in the summer season and the lowest in the winter season. The majority of isolated bacteria belonged to Gram positive forms - bacilli or cocci. A significant proportion of the isolated bacteria displayed antibiotic resistance to commonly used antibiotics.
EN
The present paper aims at describing the biota of lichens of the Zadroże Dune and its adjacent area in Toruń. The research on lichens was conducted during the years 2005-2006. The data on lichens come from my own research and literature. Altogether, the occurrence of 82 lichen taxa was recorded in the investigated area, including 74 species recorded during my own research. Due to the availability of habitats and substrata, terricolous species dominate here, mainly from the genus Cladonia and Cetraria. Particularly noteworthy are rare, endangered and protected species from this area e.g. Peltigera canina, Polyblastia agraria, Rinodina conradii and Stereocaulon condensatum
EN
The floral and phytosociological research conducted between 1998-2001 in the area of the artillery range shows that there are 460 different species, including 363 vascular plants and 96 algae, bryophytes and lichens. The aforementioned count includes 45 taxa that are fully or partially protected. In the investigated area there are 30 species of vascular plants and 13 lichen species endangered to a different extent, referring to the scale of the whole region, for example: Aster amellus, Prunella grandiflora, Bryoria fuscescens, B. subcana, Peltigera praetextata and Ramalina fraxinea.Out of 335 species recorded in the same area by German researchers in the late 19th century and the early 20th century, the occurrence of 270 species was confirmed by our research, which constitutes 80.6%. The following species are considered as extinct, since they were not found again in the area: Adenophora liliifolia, Cephalanthera damasonium, C. rubra, Dracocephalum ruyschiana and Gladiolus paluster. During the one hundred years, which separate the two research projects, 95 new species appeared in the studied area, mostly archaeophytes and kenophytes. According to the phytosociological research, there are 8 plant associations and one plant community in the unforested part of the range. Among the most rare associations, the following should be mentioned: Caricetum arenariae, Caricetum ligericae and Festuco-Koelerietum glaucae. Calamagrostietum epigeji, Corniculario-Corynephoretum, Arctostaphylo-Callunetum are typical associations of this area. The association Scorzonero purpureae-Stipetum joannis and the community of Salix acutifolia-Epipactis atrorubens are the most valuable ones. They will become the most endangered associations if the excessive pressure by the army or the highway construction should cease in the future. To preserve the particularly valuable species and plant associations, new active preservation forms should be introduced in the whole area of the artillery range, especially after cessation of the excessive military exploitation. A part of the artillery range called "Piaski" should be protected as a sanctuary because of the association Scorzonero purpureae-Stipetum joannis, which occurs only here.
EN
This paper presents the results of microbiological research on the water of the River Vistula between Wyszogród and Toruń, as regards the total number of planktonic bacteria (TNB), the number of heterotrophic bacteria: psychrophilic (TVC 20oC) and mesophilic (TVC 37oC), the occurrence of anaerobic spore-forming bacteria, and the number of coliform bacteria, faecal coliforms and faecal streptococci. The value of the Korsh coefficient and the titre of coli indicate that the waters of the Lower Vistula on the Wyszogród – Toruń section are moderately polluted and in the majority of cases may be classified as class III purity, with the exception of sections of the river near Płock and Toruń, which are unclassified. The values of the FC/FS ratio indicate the predominance of faecal contamination of human origin.
EN
This paper deals with the sanitary conditions of the water and bottom sediments in the Lower Vistula river, between Wyszogród and Toruń. The contaminationextent of the water and bottom sediments by easily decomposable organic matter and substances of faecal origin have been indirectly estimated by determining the total number of heterotrophic bacteria (TVC 20oC) and the occurrence of the faecal coliform (FC) and faecal streptococci (FS). Examination resultsenabled a classification of this water as moderately and moderate highly affected by the easily decomposable organic matter and faecal substances. The bottom sediments, however, contained a much greater load of psychrophilic and faecal heterotrophic bacteria, yet they were polluted to a moderate extent. According to bacteriological results the examination site that revealed the greatest extent of easily decomposable organic matter and faecal matter, both in the water and bottom sediments, was the study site near Płock (site II). The least affected sites were those in the Włocławski Reservoir dam (site III) and near Nieszawa (site IV). The faecal contamination factor (FC:FS ratio), in majority cases being more than 4, indicated that it was human-borne faecal contamination that dominated the area.
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