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    Wyświetlanie 1-8 z 8
    Tytuł:
    Zastosowanie wielkoobszarowej metody losowych powierzchni próbnych do inwentaryzacji oraz kontroli zapasu i przyrostu w projektowanym rezerwacie ścisłym Skoruśniak w Tatrzańskim Parku Narodowym
    The application of large-area method of random sample areas for the inventory and check of the colume and increment in the planned strict reserve Skoruśniak in the Tatra National Park
    Autorzy:
    Jagiello, Z.
    Poznanski, R.
    Raimer, J.
    Rutkowski, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/812740.pdf
    Data publikacji:
    1978
    Wydawca:
    Polskie Towarzystwo Leśne
    Źródło:
    Sylwan; 1978, 122, 01
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Uproszczony model rozkładu pierśnic jednowiekowych niepielęgnowanych drzewostanów sosnowych (Pinus sylvestris L.)
    Simplified model of diameter distribution for even-aged unthinned Scots pine (Pinus sylvestris L.) stands
    Autorzy:
    Jagiełło, R.
    Beker, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/986956.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    dendrometria
    sosna zwyczajna
    Pinus sylvestris
    drzewostany sosnowe
    drzewostany jednowiekowe
    drzewostany niepielegnowane
    rozklad piersnic
    rozklad uproszczony
    rozklad gamma
    diameter distribution
    gamma poisson
    scots pine
    unthinned stand
    Opis:
    Although modelling of the diameter at the breast height (DBH) distributions has long history, theoretical discrete distributions have not so far been used for this purpose. In this study we use measurements covering 25 years (six inventories) without silvicultural influence on 14 even−aged Scots pine (Pinus sylvestris L.) stands to develop the DBH distribution models. Analysed stands are located in Murowana Goślina Forest Experimental Station (W Poland). The objective of the study was to elaborate the most simplified model that applies stand variables easy to assess and uncomplicated theoretical distribution. We employed two−parameter Gamma Poisson (GP) distribution and compared it to Weibull (W) and Sb Johnson (SbJ) ones. When maximum likelihood estimation (MLE) was used, GP gave similar results to W and both were slightly worse than SbJ. We found that both DBH standard deviation and stand density have substantial impact for model bias when above distributions used. Stepwise regression analysis was used for obtaining linear equations for parameter prediction of GP distribution. Then, GP model was simplified by removing standard deviation of DBH (SDD) from equation for overdispersion parameter. Results showed slight increase in mean of error values (i.e. modified Reynolds e index and root mean square error) for simplified model (SGP) compared with those for model including SDD, but differences in means were insignificant. Minimal and mean DBH represent enough variability of diameter distribution to obtain appropriate model based on Gamma Poisson distribution. Error was only 5% greater from four−parameter SbJ (MLE) distribution with similar range: 8.2−28.8% against 5.1−25.5% for SGP and SbJ respectively. The presented model can be used in many branches of forestry for more accurate calculation of stand level variables, when additional allometric equations employed, for instance assimilation apparatus volume or below− and aboveground biomass.
    Źródło:
    Sylwan; 2017, 161, 10; 822-830
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The methodology of grade of gasification reactor effectivity
    Autorzy:
    Jagiełło, A.
    Magdziak-Tokłowicz, M.
    Górniak, A.
    Trzmiel, K.
    Włostowski, R.
    Wróbel, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/245745.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    gasification
    reactor
    process effectivity
    Opis:
    Ecology problems are addressed in all areas of engineering. Gasification is widely used methodology, which allows to power vehicles and fuel generators via alternative fuel. The more it seems important to address the issues of gasification in the group of scientists dealing with machines. In article authors present results of methodology in effectivity of gasification graduation. The base of experiment is the complimentary reactor, which was made for gasification of different materials. Gases that are achieved on the output of the system are used to supply combustion engines. In article, expect mentioned methodology, authors present reactor build and measurement (including complimentary software) system, mounted on system. The new energy supplies are still discovered. At the same time, researchers on good know substances are in progress. In article, authors are presented one of the methods of gasification reactor effectivity. Authors’ reactor has a burning chamber, and outlet circuit. Presented methodology was relayed on E-E system with software part. System is contained a few thermocouples with multiplexing ADC card for acquisition of data. All parts are presented in an article. An article is a result of progressing grant in DEMONSTRATOR+ program (no. WND-DEM-1-527/001).
    Źródło:
    Journal of KONES; 2015, 22, 4; 109-116
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The concept of measuring vibration in PRAMAC S12000 generating set
    Autorzy:
    Jagiełło, A.
    Trzmiel, K.
    Włostowski, R.
    Wróbel, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/246297.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    engine vibrations
    gas supplied engine
    FFT
    Opis:
    Vibration measurements are now widely applied and developed field of science. The article is an example of the application of that field diagnostic using the accelerometer. The study was conducted at Honda GX630 combustion engine in a current generator system. The generator is characterized in that it can be powered by either liquid fuel, or which gas. The results of vibration measurements is presented for (both) gas mixtures containing varying concentrations, as well as for gasoline. The paper presents the results of the vibration, based on an analysis of the time and frequency domain, using Fast Fourier Transform. In the analysis analogue filters, and digital filters (windowing) was used. The analysis includes proposals concerning vibrations difference for individual substances in comparison to vibrations of engine powered a classic, liquid fuel. To simplify the analysis, and thus the discussion on the results, the data presented in the charts with honours major changes in the received, digitized results. Measurements and results presented in the article were carried out as part of a pilot project to support research and development in scale demonstration DEMONSTRATOR+ (WND- DEM-1-527 / 001).
    Źródło:
    Journal of KONES; 2015, 22, 4; 117-123
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Outline of activities of the Polish resistance movement in the territory of occupied France
    Autorzy:
    Jagiello, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/30147088.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Wojsk Lądowych imienia generała Tadeusza Kościuszki
    Tematy:
    World War II
    Polish resistance movement in France
    Continental Action
    Opis:
    The article presents an outline of actions of the Polish resistance movement in occupied France. Particular attention has been given to soldiers and partisans who, prior to the invasion of allied forces on the European continent, performed heroic deeds demonstrating bravery and courage of a Polish soldier. The liberation struggles of the Polish nation in the past war are a still lively subject that focuses the attention of both historians and the society. The Polish participation in the liberation of France, especially through the activities of the Polish resistance movement as part of the operation under the codename “Continental Action”, is the main subject of this article.
    Źródło:
    Scientific Journal of the Military University of Land Forces; 2018, 50, 2(188); 31-46
    2544-7122
    2545-0719
    Pojawia się w:
    Scientific Journal of the Military University of Land Forces
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimal body balance disturbance tolerance skills as a methodological basis for selection of firefighters to solve difficult rescue tasks
    Autorzy:
    Jagiello, W.
    Wojcicki, Z.
    Barczynski, B.J.
    Litwiniuk, A.
    Kalina, R.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/51612.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2014, 21, 1
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena zgodności rozkładów empirycznych pierśnic drzewostanów bukowych różnych klas wieku z wybranymi rozkładami teoretycznymi
    Goodness of fit evaluation of the breast height diameter distributions of beech stands differing in age with selected theoretical distributions
    Autorzy:
    Jagiełło, R.
    Beker, C.
    Jagodziński, A.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/989389.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewostany bukowe
    klasy wieku
    buk zwyczajny
    Fagus sylvatica
    piersnice drzew
    rozklad empiryczny
    rozklad teoretyczny
    ocena zgodnosci
    diameter distribution
    finite mixture distribution
    beech stand
    fagus sylvatica
    Opis:
    Modelling is one of the basic activities in the field of biological sciences. The main purpose of modelling is to illustrate relationships and phenomena of biological objects (and traits describing them) and present reality as close as it is possible with expected range of error. In the paper we presented results of approximation of the selected theoretical distributions, i.e. singular (normal, log−normal, gamma, two− and three−parameter Weibull, Johnsons SB) and finite mixture (normal, log−normal, gamma and Weibull) to tree diameter distributions in beech stands (Fagus sylvatica L.). The main aim of the study was to evaluate goodness of fit of selected distributions, prove legitimacy of using mixture distributions in even−aged, single−species beech stands and find the best distribution of model diameter distribution in a whole production cycle of this kind of stands. The study was conducted in 32 sample plots located in north−western Poland in stands at the age between 9 and 140. For the evaluation χ² test, a modified error index (e) and a root mean square error (RMSE) were used. We found that the RMSE and e are related in most cases with stand density. Mean values of used indicators show that finite mixture distributions are better in comparison to singular distributions. The best fitted distributions were Johnsons SB and mixture of gamma ones. Range of error index expressed with number of trees per hectare ranges 16.5−32.8% and 7.7−27.0% for this distributions, respectively. Conversely the worst results were obtained by fitting two−parameter Weibull distribution both in singular and mixture. Future diameter distribution model based on the probability distribution should be based on Johnson SB or 3−parameter Weibull distribution from singular ones or gamma from finite mixture. In case of age class apportionment unequivocal the best result were obtained with Johnson SB and partially with mixture gamma distributions.
    Źródło:
    Sylwan; 2016, 160, 02; 107-119
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dermacentor reticulatus (Fabricius, 1794) and Babesia canis (Piana et Galli-Valerio, 1895) as the parasites of companion animals (dogs and cats) in the Wroclaw area, south-western Poland
    Autorzy:
    Krol, N.
    Kiewra, D.
    Lonc, E.
    Janaczyk, B.
    Chodorowska-Skubiszewska, A.
    Dzieciol, M.
    Gola, M.
    Gruszka, R.
    Jackowska-Szlachcic, E.
    Jagiello, M.
    Kawski, S.
    Lukaszewski, Z.
    Mizgalski, P.
    Narajowska, T.
    Niedzielska, J.
    Noczynski, M.
    Rudkowska, M.
    Rzepka, D.
    Samulska, K.
    Senze, M.
    Sieczko, P.
    Silny, A.
    Staniewska, A.
    Stanczyk, J.
    Stanczyk, W.
    Stasiak, M.
    Wlodarczyk, M.
    Zimniak, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/6581.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Opis:
    Tests performed in 2013 and 2014 revealed the occurrence of three tick species parasitizing pet cats and dogs in the Wrocław Agglomeration. In total, 1,455 tick specimens were removed from 931 hosts (760 dogs and 171 cats) in 18 veterinary clinics. The dominant tick species was Ixodes ricinus (n=1272; 87.4%), followed by I. hexagonus (n=137; 9.4%) and Dermacentor reticulatus (n=46; 3.2%). Females were the most often collected development stage among I. ricinus and D. reticulatus, and nymphs among I. hexagonus. Additionally, D. reticulatus ticks (n=337) were then collected from vegetation in the Wrocław area to detect Babesia canis; however, none was found positive. Only 9.0% of dog blood samples sent to VETLAB were positive for Babesia spp. Negative results for B. canis from ticks may result from the short period of the occurrence of D. reticulatus in the Wrocław area and therefore the vectorpathogen cycle may not have been fully established at the time of the study. Nevertheless, D. reticulatus is expanding its range, and the size of its population in the Wrocław Agglomeration is increasing. The presence of the pathogenic Babesia spp. combined with the occurrence of its main vector¸ D. reticulatus, suggests that the epizootiological situation in the area can change and may pose a new veterinary problem in the future.
    Źródło:
    Annals of Parasitology; 2016, 62, 2
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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