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Wyświetlanie 1-15 z 98
Tytuł:
Ocena bakteriologiczna serów twarogowych produkowanych w zakładach mleczarskich oraz serów wiejskich
Bakteriologicheskaja ocenka tvorozhnykh syrov vyrabatyvaemykh molochnymi proizvodstvami, a takzhe syrov iz selskikh khozjajjstv
Bacteriological appraisal of cotage cheese, produced in dairies as well as home made rural cotage cheese
Autorzy:
Burbianka, M.
Artamonow, A.
Borowiak, M.
Chybowska, J.
Czarnowska, W.
Dabrowa, B.
Dziurowicz, Z.
Frasunkiewicz, B.
Gabriel, A.
Grzesik, E.
Juchnowicz, J.
Kwiatkowska, E.
Kubiakowa, W.
Leopold, J.
Lichocinska, H.
Maciaszek, A.
Meinhardt, S.
Rokoszewska, J.
Szyszlo, K.
Vorreiter, J.
Powiązania:
https://bibliotekanauki.pl/articles/872272.pdf
Data publikacji:
1966
Wydawca:
Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
Źródło:
Roczniki Państwowego Zakładu Higieny; 1966, 17, 3
0035-7715
Pojawia się w:
Roczniki Państwowego Zakładu Higieny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Częstość zarażenia rzęsistkiem pochwowym personelu medycznego
Frequency of the infection of medical staff bu T. vaginalis
Chastota infekcii vlagalishhnojj trikhomonadojj medicinskogo personala
Autorzy:
Trębicka-Kwiatkowska, B.
Zbroja-Sontag, W.
Dylewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2176520.pdf
Data publikacji:
1973
Wydawca:
Polskie Towarzystwo Parazytologiczne
Źródło:
Wiadomości Parazytologiczne; 1973, 19, 3; 359-361
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nowe metody oznaczania DAPA
Autorzy:
Czauderna, M
Kowalczyk, J.
Kwiatkowska, E.
Powiązania:
https://bibliotekanauki.pl/articles/810113.pdf
Data publikacji:
1998
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
kwas 2,6-dwuaminopimelinowy
chromatografia cieczowa wysokosprawna
oznaczanie
metody
probki biologiczne
Opis:
Opracowano metody oznaczania kwasu 2,6-diaminopimelinowego (DAPA) przy użyciu zestawu HPLC (Waters) i kolumny z odwróconą fazą (Nova-Pak C18) poprzez elucję gradientową oraz detekcję UV przy 340 nm lub fluorescencyjną (wzbudzenie 229 nm, detekcja 470 nm). Po hydrolizie próbek DAPA przeprowadzano w pochodne przy użyciu o-ftaldialdehydu (OPA) w obecności 2-merkaptoetanolu (metoda 1) lub OPA w obecności etanotiolu (metoda 2) z ewentualnym usunięciem nadmiaru innych aminokwasów (metoda 3). Metodą 1 można rozdzielić poszczególe izomery DAPA. Na podstawie otrzymanych wyników można wnioskować, że metody 1 i 2 mogą być wystarczająco czułe i selektywne do oznaczania DAPA w bakteriach przy użyciu detekcji UV. Natomiast zastosowanie metody 3 z detekcją fluorescencyjną pozwala uzyskać zadowalające wyniki nawet przy bardzo niskich stężeniach DAPA.
The methods for 2,6-diaminopimelic acid (DAPA) determination were elaborated using HPLC (Waters) set and reversed-phase column (Nova-Pak C18) with gradient elution and UV detection at 340 nm or fluorescence detection (229 nm excitation and 470 nm detection). Samples were hydrolysed and DAPA was derivatised with o-phtaldialdehyde (OPA) in the presence of 2-mercaptoethanol (method 1) or in presence of ethanethiol (method 2) with eventual elimination of the excess of other amino acids (method 3). Using method 1 the DAPA isomers can be determined. It could be concluded that the methods 1 and 2 are satisfactory sensitive and selective for DAPA determination in bacterial material using UV detection while the determination of low DAPA concentration in digestive tract content needs the fluorescence detection.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1998, 462; 459-466
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
RER and protamine-type proteins during Chara tomentosa L. spermiogenesis
Autorzy:
Kwiatkowska, M
Poplonska, K.
Powiązania:
https://bibliotekanauki.pl/articles/56669.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
endoplasmic reticulum
Chara tomentosa
protamine-type protein
RER system
spermiogenesis
Opis:
In Chara tomentosa during mid spermiogenesis (phases V, VI, VII) when the amount of nuclear protamine-type proteins increases, while the amount of histones decreases, in connection with chromatin remodelling, an extensive RER system filled with dark, fine-granular substance is observed. The intermembranous space of the nuclear envelope is filled with a homogenous substance which looks similar. The most extensive ER system can be observed in phase V, which is at the beginning of nuclear protein exchange. The results presented in this paper correspond with the earlier suggestion based on Chara vulgaris spermioge nesis studies, that ER takes part in a protamine-type protein synthesis, which enter a nucleus by endocytosis, through an inner nuclear envelope membrane.
Źródło:
Acta Societatis Botanicorum Poloniae; 2003, 72, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concept of the new topographic map of Poland at the scale of 1 : 50 000
Autorzy:
Ostrowski, Wiesław
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029432.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
topographic map
Polska
Opis:
The factual and technical foundations of the concept for the 1:50 000 topographic map published in Poland between 1995 and 2002 by the Head Office of Geodesy and Cartography are discussed in this article. While discussing content and graphic design, the author gives particular attention to the novel way of representing built-up areas.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 291-300
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Examples of object-oriented classification performed on high-resolution satellite images
Autorzy:
Lewiński, Stanisław
Zaremski, Karol
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029415.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
object-oriented classification
land use
satellite images
eCognition
Opis:
Information about the types of land cover and its use is obtained by the visual interpretation of the color composite of satellite images or by the use of automatic classification algorithms. For obvious reasons, the automatic classification methods make it possible to obtain information quicker and much faster than the traditional interpretation method. The commonly used automatic methods of satellite image classification, based on supervised or unsupervised classification algorithms, are the most accurate when used with low resolution images. In the case of images with 1-meter-sized pixels, showing a diversity of land cover forms, it is not possible to obtain satisfactory results. New classification techniques, based on object-oriented classification algorithms, have been developing for a couple of years now. In contrast to the traditional methods, the new operating procedure does not involve the classification of single pixels, but of entire objects, into which the content of the satellite image is divided. Aside from the spectral values of the pixels, the shape of the objects created by the pixels and the relationships between the objects, are also considered during the analysis. Similar to visual interpretation, variation in the texture of the image can also be taken into account in this case. The aim of this article is to present the possibility of using high density satellite images in object-oriented classification. The classification presented is that of a high-rise built area in Wrocław and of bridges on the Vistula River in Warsaw.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 349-358
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geoinformatics - an integrated spatial research tool
Autorzy:
Olędzki, Jan Romuald
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029427.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
geoinformatics
remote sensing
geography
Opis:
The structure of geoinformatics can be understood in many ways, what can be seen from the more or the less complex schemas published in various articles. Geoinformatics creates new possibilities for the precise analysis of spatial phenomena, such as for following their dynamics or defining the associations existing between their components. The use of remote sensing data in such research, takes to another level those areas of knowledge, in which there nevertheless still is a scarcity of reliable materials. It also enables the current monitoring of those phenomena which can't be investigated and estimated in any other way, as well as the modeling of spatial (geographical) phenomena. Since 1996, many studies have been performed at the Laboratory of Remote Sensing of the Environment at the University of Warsaw, in which remote sensing data were integrated with data obtained by other means.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 323-331
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The climatic background of agricultural production in Poland (1951 - 2000)
Autorzy:
Żmudzka, Elwira
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029390.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
air temperature
atmospheric precipitation
variability
crop production
Polska
Opis:
This article presents the results of studies conducted on the variability of thermal and precipitation conditions in Poland in the second half of the 20th century, especially taking into consideration periods which were unfavorable for agricultural production. Averaged spatial temperatures and precipitation totals from consecutive years 1951 to 2000 were used. A significant increase in spring temperatures was noted, while the winters also became warmer. This had a significant effect upon the change of the thermal vegetation period's duration. No changing trends were noted with regard to the amount of precipitation.The analysis of the seasonal structure during the anomalous years, with regard to temperature and the amount of precipitation, made it possible to pinpoint years particularly unfavorable for agricultural production. There was a certain repeatability of unfavorable conditions, tied to the existence of a relatively stable 8-year cycle of temperature change, which was especially noticeable during the wintertime. During the last two decades of the 20th century, high temperature values, occurring also in the summertime, in combination with insufficient precipitation, contributed to the occurrence of dry spells and even periods of drought. The occurrence of dry spells during the vegetation period and the extreme shortening of the vegetation period have a significant effect upon the amount of grain crop production.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 127-137
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The development of tourism in protected areas and the exploitation of the natural environment by local communities in Africa and Asia
Autorzy:
Dudek, Anna
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029412.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
national park
tourism
natural environment exploitation
local communities
Comoé National Park
Salonga National Park
Amboseli National Park
Volcanoes National Park
Khao Yai National Park
Mgahinga National Park
Opis:
From an economic point of view, protected areas do not bring in high profits, in comparison to other possible ways of land usage. National parks and nature reserves are costly in their creation, as well as in their subsequent upkeep and management. In developing countries, their operation can be the source of many political and economic problems. Usually, local communities neighboring protected areas perceive the existence of a protected zone negatively, although they are often able to avail themselves of park resources in various ways. Besides being given the opportunity to rationally make use of certain park resources, community members may be employed as park attendants, which is a practice that is widespread. A part of the profits obtained from the developing tourist industry may be allocated towards local development programs, e.g. the building of a new hospital or school. Some national parks, while lacking the adequate infrastructure necessary for tourism, grapple with a lack of funds. The lack of earning opportunities in connection with the development of tourism results in the local community's over-exploitation of park resources. This often manifests itself in an increased incidence of poaching in the protected area.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 263-269
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The incorporation of 3H-palmitic acid into Ornithogalum umbellatum lipotubuloids, which are a cytoplasmic domain rich in lipid bodies and microtubules. Light and EM autoradiography
Autorzy:
Kwiatkowska, M
Powiązania:
https://bibliotekanauki.pl/articles/57631.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Ornithogalum umbellatum
microtubule
lipid body
lipotubuloid
3H-palmitic acid
EM autoradiography
cytophysiology
Opis:
In the ovary epidermis of Ornithogalum umbellatum L. lipotubuloids were found, i.e. distinguished cytoplasmic domain with an agglomeration of half unit membrane-surrounded lipid bodies, entwined and held together by a system of microtubules (Protoplasma 75: 345-357; 77: 473-476). Using light and EM-autoradiography with 3H-palmitic acid (25 μCi/ml) it was found that lipotubuloids were the site of intense incorporation of this isotope. After extraction of lipids with lipid solvent the lipotubuloids were not labeled. Localization of autoradiographic grains after 15-h postincubation with isotope-free medium indicated a migration of the labeled substances from the lipotubuloids to the whole cells. Ultrastructural studies demonstrated that most autoradiographic grains after 2-h incubation were localized over the site of the microtubules adjoining closely the half unit membranes of lipid bodies. These observations suggest, that the surface of lipid bodies may be the active site in lipid synthesis and involvement of the microtubules in these processes is possible.
Źródło:
Acta Societatis Botanicorum Poloniae; 2004, 73, 3
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The problem of cartographic representation in relation to the Polish cultural landscape
Autorzy:
Opach, Tomasz
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029431.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
landscape
cultural landscape
cultural heritage
Opis:
The problem of representing the Polish cultural landscape consists of two components. The first component is the choice of content. Wishing to define the breadth of the content of a cultural landscape map, one needs to remember that it is composed of two facets. The first facet, the material result of human activity, is easily discernable in the field and easily illustrated on a map. Elements included in this facet are: sacred and secular historical structures, the spatial layout of cities, archeological sites etc. The second facet of cultural landscape needs to be considered in immaterial terms. It is difficult to illustrate on a map, because its elements do not lend themselves to being topographically situated. One could mention, for example, religions, customs and traditions, a common historical past etc. Most often, one can only indirectly speculate about this facet of the cultural landscape, on the basis of the material characteristics of the cultural landscape. The second problem related to presenting cultural landscape on a map is the choice of graphic form for the map. The problem is to a large extent tied to difficulties stemming from the necessity of maintaining semantic correctness (the relation between “symbol” and “object”). In practice, during the graphic editing of a map representing the cultural landscape, one should remember to: a) choose a scale suitable for the representation, upon which depend the degree of detail and the generalization of the content; b) correctly depict the variation boundaries, taking into account sharp and fuzzy boundaries; c) make a well-designed symbol key.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 301-310
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The remote sensing method of forest fire danger rating categorization
Autorzy:
Mycke-Dominko, Małgorzata
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029439.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
forest fire danger rating classification
remote sensing as used in research
Opis:
The article presents the use of satellite images in the determination of forest fire danger rating categories. The assessment was carried out based on images from the LANDSAT TM, IKONOS and NOAA satellites, with the finding that the LANDSAT TM images are the most useful. A new solution proposed is to make forest fire danger rating categories refer to forest ranger sub-districts, what gives the forest service greater control over forest fire prevention activities. Forest fire danger assessment was done taking into account remote sensing indices such as the NDVI, TNDVI, and IHT, as well by the analysis of the spatial distribution and the number of fires in the previous six years. In accordance with the Polish State Forest Classification System, three classes were specified: 1 - high fire danger, 2 - moderate fire danger, 3 - low fire danger.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 359-362
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The significance of geographic location for the success of territorial secession. African example
Autorzy:
Trzciński, Krzysztof
Kwiatkowska, Joanna M.
Powiązania:
https://bibliotekanauki.pl/articles/2029406.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
separatism
secession of territory
geographic location
Opis:
Political and economic factors always play the main role in the secession of territory. Various aspects of geographic location may however facilitate or hinder secession, as well as the effective functioning of the newly emerged state. For Africa, geographic location in secession may be of greater importance than in the case of other continents. This is caused for the most part by the fact that African states are some of the poorest in the world and are often unable to effectively counteract secession through military means. The lack of well-formed democratic state institutions in turn impedes the peaceful resolution of problems constituting the basis of secessionist tendencies. These are precisely the conditions under which geographic location plays a more critical role.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 207-216
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 98

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