Artykuły naukowe (WGB): Recent submissions
Wyświetlanie pozycji 481-500 z 578
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Zmienność gruczołów grzbietowo-brzeżnych u larw II stadium i samic Lecanium corni Bouché z Taxus baccata L.
(1967)A discription is given of the position of the dorsal-marginal glands (sub-marginal tubercles) in larvae in the second stage and females of the Brown Scale Insect (Lecanium corni Bouché). There are usually five pairs of ... -
Czerwce (Homoptera, Coccoidea) - uwagi ogólne, preparatyka
(1967)The author describes one of the most interesting groups of insects, the Coccoidea, drawing attention to their biological and morphological characteristics and to their significance in human economy, and giving directions ... -
Z badań nad szkodnikami produktów spożywczych
(1967)The article discusses the role and significance of pests in food products, with special attention to granary pests. There is a preliminary discussion of the damage caused by pests belonging to diffedent animal groups, ... -
Badania nad Polygonum Viviparum L. z Tatr
(1967)The present work was carried out on Polygonum viviparum L. from the Tatra Mts. The somatic chromosome number established for Polish representatives of this apomictic species in ca 130 (132); thus Polygonum viviparum in ... -
Rośliny naczyniowe Pogórza Cieszyńskiego
(1967)The present publication is the second part of a doctor dissertation. The first part will be published in "Fragmenta Floristica et Geobotanica", under the title: "The Geobotanical Character of the Pogórze Cieszyńskie". The ... -
Materiały do flory grzybów pasożytniczych Polski
(1967)The materials for the present paper were collected during the field work of the Fourth Congress of European Mycologists in Poland. They are mostly derived from the Masurian Lake District, the Białowieża Forest, and ... -
Porosty Beskidu Śląskiego
(1967)The Silesian Beskid represent a considerable mountain area (about 500 sq. km) in the western part of the Western Carpathians. This territory extends from the Olza river valley in the west to the Żywiec Basin in the ... -
O niektórych szkolnych modelach geologicznych
(1964)Some models used in school for demonstrating tectonic deformations can be accepted only with certain reservations as to their correctness. Ad an example may be taken a model illustrating the formation of folds, which is ... -
Uwagi o założeniach i realizacji nowego programu geografii w ośmioletniej szkole podstawowej
(1964)Many possibilities of realising educational purposes are inherent in the revised program, of geography their eliciting and skilful application depending on the teacher's initiative. An attempt of proving the point on ... -
Kilka uwag o strukturze szkolnictwa Krakowa i jego zasięgu wpływów
(1964)An attempt is made in the present work of defining the structure and the compass of influence of the Cracov school system: conclusions are drawn on the ground of an inquiry opened by the Cracow District Educational Board. ... -
Kilka uwag o metodzie i treści zajęć seminaryjnych z zakresu metodyki nauczania geografii
(1964)Considerable difficulties are connected with seminar occupations on geographical methodics. Methodics being a comparatively young science there are but few traditions to build upon, scarcely any former achievements, and ... -
Z zagadnień ludnościowych Sudanu
(1964)Actual demographic problems in Sudan are consideres on the ground of data furnished by the first Sudanese census in 1956, Sudanese problems are an instance of conditions prevailing in African weakly developed countries. ... -
O niektórych uprawach rolniczych w Etiopii
(1964)The author discusses in popular form the lines of production and agricultural structure in Ethiopia on the ground of material collected by him in the course of his two months visit in that country. -
Próba charakterystyki regionu Pirenejów Francuskich
(1964)In the first part of the article the author gives a brief review of the most distinctive features of the French Pyrenees geographic environment. He mentions such characteristics as the size and the number of post-glacial lakes; ... -
Światowe zasoby i gospodarka siarką po 1945 r.
(1964)A general reviev of world-wide sulfur supply and demand gives an account of a steadily groing production of sulfur namely, from 8620,7 th. tons in 1938 /China and U.S.S.R. excluded/ and 11244,0 th. t. in 1950 /China and ... -
Uwagi o problemie przeludnienia współczesnego świata
(1964)The article is brief review of recent opinions concerning the problem of overpopulation, presented on the background of the development of the existing world wide demographic situations the natural population ... -
Struktura i kierunki przewozów towarowych kolejami PKP województwa rzeszowskiego w 1930 i 1960 roku
(1964)The article contains a comprehensive study of goods railway transport in Rzeszów voivodship. For a comparative review are taken the years 1930 and 1960. Regional transport is considered separately and in correlation ... -
Baza surowcowa jako podstawa rozwoju przemysłu północnej części województwa Rzeszowskiego
(1964)The main factor inciting to activity the north part of Rzeszów voivodshaft is industry. The further development of local industry ought to follow the line of exploitation of its natural riches. The local natural resources ... -
Procesy urbanizacyjne w województwie opolskim w XX wieku
(1964)The article presents certain results on more extensive investigations of industrialisation and urbanization processes in the XXc. Opole region. Opole region situated between two economically active centres those of ... -
Elektryfikacja wsi województwa krakowskiego
(1964)The process of electrification of Cracov voivodship villages is rather belated, beginning in the 30ies of the interwar period. In 1945 in the Cracov voivodship only 6,4% villages were electrified. In the best case the ...