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Wyświetlanie 1-15 z 35
Tytuł:
Whether the opinion about superiority of fuzzy controllers is justified
Autorzy:
Gessing, R.
Powiązania:
https://bibliotekanauki.pl/articles/199925.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
fuzzy logic
fuzzy regulators
conventional regulators
Opis:
In the paper, using some MATLAB fuzzy logic toolbox Demos, in which the fuzzy controllers are compared with the classical PID ones, it is shown that the well tuned classical PID controllers are significantly better than those fuzzy presented in the Demos. It is shown, that using fuzzy approach, it is very difficult to shape the input-output nonlinearity, describing the so called fuzzy block of the fuzzy controller. It is also shown, that the linear fuzzy block (created to obtain comparable results with the classical PID controllers) is not justified at all, because it may be replaced by the usual summing junction, which is significantly simpler. The considerations of the paper do not support the idea of fuzzy controllers.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2010, 58, 1; 59-65
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of in vitro regeneration in Hibiscus subdariffa L. – An important medicinal plant
Autorzy:
Manokari, M.
Ravindran, C. P.
Shekhawat, Mahipal S.
Powiązania:
https://bibliotekanauki.pl/articles/1191358.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Hibiscus subdariffa
MS medium
growth regulators
plantlet regeneration
Opis:
In vitro propagation methods using nodal segments of young tissues of Hibiscus subdariffa plant have been established. The nodal shoot segments responded better than apical shoot tip explants. Murashige and Skoog (MS) semi-solid medium supplemented with 1.0 mg/L 6-benzylaminopurine (BAP) induced 4.2 ±0.24 shoots per node with 2.40 ±0.18 cm in length after four weeks of inoculation. About 92% explants responded on this medium combination. The shoots were further multiplied (8.2 ±1.37 shoots with 5.9 ±1.05 cm length) by repeated subculture of mother explants and freshly induced shoot clumps on MS medium with the reduced concentrations of BAP and Kinetin (0.5 mg/L each) with additives within 4 weeks. Half strength MS medium augmented with 2.0 mg/L indole-3 butyric acid (IBA) was found most favorable for root induction with 98% response. On this medium 7.5 ±0.61 roots with 4.8 ±0.23 cm length of roots were recorded. The regenerated plantlets were successfully hardened and field transferred.
Źródło:
World Scientific News; 2016, 34; 51-62
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Eco-Safe Growth-Regulating Substances on the Phytosanitary State of Agrocenoses of Wheat Varieties of Various Types of Development in Non-Irrigated Conditions of the Steppe Zone
Autorzy:
Domaratskiy, Yevhenii
Bazaliy, Valerii
Dobrovol'skiy, Andrey
Pichura, Vitalii
Kozlova, Olga
Powiązania:
https://bibliotekanauki.pl/articles/2173328.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
winter wheat
growth regulators
agrocenosis productivity
pathogen
fungicides
Opis:
The article is devoted to establishing the influence of multifunctional environmentally friendly growth-regulating preparations on the phytosanitary state of agrocenoses of various types of wheat varieties and their productivity under non-irrigated conditions of the steppe zone of Ukraine. Field studies were conducted over 2016–2020 in two agroclimatic points of the steppe zone: such as in the experimental field of the Kherson State Agrarian and Economic University (GPS: 46.743447, 32.481064 Kherson, Ukraine – point 1) and the land use of the farm "Svetlana" (GPS: 47.635522, 32.099772 Vossiyatskoye Village, Mykolaiv region, Ukraine-point 2) under non-irrigated conditions. The implementation of the scientific research program was carried out by laying three – factor experiments in these agroecological points, where Factor A was the varieties of winter wheat – Khersonska 99, Kirena, Askaniyska, Mudrist, Clarissa, Khutoryanka; variants of Factor B: growth-regulating preparations – VuksalMicroplant, Helafit Combi, Phytomare, without cultivation (control); variants of factor C: terms of sowing winter wheat – 10.09, 20.09, 30.09 and 10.10. Studies established that the use of multifunctional growth-regulating preparations helped to reduce the level of plant damage by pathogenic microflora at all sowing periods and varieties of winter wheat. Phytomare and Helafit Combi were the most effective in this respect, under various growing conditions. In most cases, they reduced the degree of damage to winter wheat plants by pathogenic microflora by 40–50% or more. All applied growth regulators increased the mass of grain from the ear and the mass of 1000 grains at different sowing times. It was found that for five years of field research, the greatest increase in yield under different research conditions and different varieties was shown by the Helafit Combi preparation. When it was applied in the experimental field of the Kherson State Agrarian and Economic University, the yield was additionally formed from 0.22 up to 0.5 t/ha, in the field of FG "Svetlana", respectively, it was formed 0.14 up to 0.36 t/ha.
Źródło:
Journal of Ecological Engineering; 2022, 23, 8; 299--308
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In situ genetic variability and micropropagation of Cerastium banaticum (Rochel) Heuff. (Caryophyllaceae)– a rare and endemic species from Romania
Autorzy:
Cristea, V.
Besenyei, E.
Jarda, L.
Farkas, A.
Marcu, D.
Clapa, D.
Halmagyi, A.
Butiuc-Keul, A.
Powiązania:
https://bibliotekanauki.pl/articles/2117879.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
acclimatization
biodiversity conservation
plant growth regulators
SSR markers
Opis:
Rare and endemic plant species represent important components of plant biodiversity which require protection to ensure their sustainable conservation. Cerastium banaticum (Rochel) Heuff. is such an endemic and rare species from Romania, for which the genetic variability of two natural populations was studied by SSR markers. Shannon’s information index revealed low levels of genetic diversity in both populations (I = 0.296). As the first attempt in a conservation program a reproducible micropropagation protocol was established starting from seeds, followed by multiplication, rooting, and ex vitro acclimatization. Among the various plant growth regulators tested the highest multiplication coefficient was achieved on a culture medium with 0.5 mg L -1 6-furfurylaminopurine (K) and 1 mg L -1 α-naphthaleneacetic acid (NAA). On this PGRs concentration a number of 26.6 shoots/individual explant with a mean length of 7.9 cm for new generated shoots was registered. The highest number of roots/indi- vidual initiated shoot was 2.6 and it was recorded on a culture medium with 0.5 mg L -1 2-isopentyl-adenine (2iP) and 0.1 mg L -1 NAA. The outdoor acclimatization was successfully performed in a specially designed rocky area in the ‘Alexandru Borza’ Botanical Garden, Cluj-Napoca (Romania).
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2019, 61, 1; 53-62
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sterowanie rozmyte kursem i zanurzeniem pojazdu podwodnego – badania symulacyjne i eksperymentalne
Fuzzy control immersion course and an underwater vehicle - simulation and experimental
Autorzy:
Garus, J.
Szymak, P.
Powiązania:
https://bibliotekanauki.pl/articles/222388.pdf
Data publikacji:
2004
Wydawca:
Akademia Marynarki Wojennej. Wydział Dowodzenia i Operacji Morskich
Tematy:
pojazd podwodny
regulatory
algorytmy
submersible vehicle
regulators
algorithms
Opis:
Praca dotyczy syntezy rozmytych algorytmów regulacji dla sterowania kursem i głębokością zanurzenia pojazdu podwodnego. Do rozwiązania zadania wykorzystano regulatory PD z rozmytym przetwarzaniem danych. Zamieszczono przykładowe wyniki badań symulacyjnych i eksperymentalnych zdalnie sterowanego pojazdu podwodnego typu „Ukwiał”.
The paper deals with the synthesis of broadening regulation algorithms for control of the course and submersion depth of an underwater vehicle. To solve the problem PD regulators with broadening data procession were used. It presents examples of simulation and experimental investigations of „Ukwiał” type remotely controlled vehicle.
Źródło:
Zeszyty Naukowe Akademii Marynarki Wojennej; 2004, R. 45 nr 2 (157), 2 (157); 47-56
0860-889X
Pojawia się w:
Zeszyty Naukowe Akademii Marynarki Wojennej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The function of nonverbal regulators in Hausa face-to-face interaction
Autorzy:
Adamu, Aisha Umar
Linde-Usiekniewicz, Jadwiga
Storch, Anne
Powiązania:
https://bibliotekanauki.pl/chapters/1037948.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
Tematy:
gestures
face-to-face interaction
regulators
Hausa
Nigeria
Opis:
The structure of conversation is a subject of many empirical researches along the Conversational Analytical point of view. Scholars have agreed that nonverbal signals which are called regulators act as a kind of traffic signals that aid in the flow of interactions. This paper studies the use of nonverbal regulators in Hausa social interactions, through the use of data consisting of natural face-to-face interactions taken from multiple settings. The research discovers that Hausa peoples’ interaction, especially in face-to-face settings, is marred with different gestures and postures acting as conversational regulators. Beyond regulating the interaction, these gestures and postures contribute to meaning making and influence communication outcomes.
Źródło:
West African languages. Linguistic theory and communication; 279-287
9788323546313
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The economics of complexity: complexity in the allocation of governmental authority for pensions
Autorzy:
Hughes, Gerard
Turner, John A.
Maher, Michelle
Powiązania:
https://bibliotekanauki.pl/articles/522471.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
Complexity,
Government regulators
Information costs
Ireland
Pensions
United States
Opis:
Are simpler governmental institutional structures generally better? This paper analyzes the effects of complexity in the allocation of government regulatory authority for pensions on various outcomes, focusing on the ease with which participants, plan sponsors, and the regulated industry have in interacting with the regulator. We argue that the less complex allocation of regulatory authority for private sector pension plans in Ireland (one regulator), compared to the United States (multiple regulators), facilitates participants and plan sponsors receiving assistance from the government in dealing with pensions issues. It does so by lowering information costs in dealing with the regulator.
Źródło:
Journal of Economics and Management; 2015, 21; 21-34
1732-1948
Pojawia się w:
Journal of Economics and Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Improved Micropropagation Protocol for Manga Bamboo - Pseudoxytenanthera stocksii (Munro) T.Q. Nguyen
Autorzy:
Rajput, Bharat Singh
Jani, Minal D.
Sasikumar, K.
Manokari, M.
Shekhawat, M. S.
Powiązania:
https://bibliotekanauki.pl/articles/1076685.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Acclimatization
Dendrocalamus stocksii
In vitro propagation
Plant growth regulators
Opis:
The present report illustrates an improved and reproducible micropropagation system for economically valuable bamboo species Pseudoxytenanthera stocksii using nodal segments. Direct organogenesis from nodal segments was accomplished by culturing on Murashige and Skoog (MS) medium supplemented with 6.0 mg/L 6-benzylaminopurine (BAP). On this medium combination 9.0±0.25 shoots per explant were induced. Shoot multiplication was subjective to the combination of auxins and cytokinins concentrations used and number of repeated transfer of mother explants or subculturing of in vitro regenerated shoot clumps on fresh medium. Maximum 41.9±1.00 shoots were observed on MS medium supplemented with 4.0 mg/L of BAP and 0.25 mg/L of naphthalene acetic acid (NAA). Half strength MS medium containing various concentrations of auxins was used for in vitro root formation. Successful rooting with maximum response was achieved on half strength MS medium + 50% sucrose and 1.0 mg/L IBA (24.3±0.27 roots). The rooted plantlets were planted the soilrite and hardened in the greenhouse for 6-8 weeks. Completely acclimatized plantlets exhibited 96% survivability. The present propagation protocol could satisfy the demand of P. stocksii and could be explored for the commercial propagation of this valuable manga bamboo.
Źródło:
World News of Natural Sciences; 2019, 25; 141-154
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Yield-Forming Effects of Herbicide and Biostimulants Application in Potato Cultivation
Autorzy:
Zarzecka, Krystyna
Gugała, Marek
Mystkowska, Iwona
Sikorska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/2068460.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
Solanum tuberosum L.
dry matter
starch
protein
growth regulators
Opis:
A field experiment was carried out in 2018-2020 in central-eastern Poland. The aim of the study was to determine the effect of different methods of applying herbicide and herbicide with biostimulants on the yields of dry matter, starch and protein. The experiment was established using the split-plot method, in which the first factor were two potato varieties (Oberon and Malaga), and the second factor involved five methods of applying herbicide and herbicide with biostimulants (1. control object, 2. clomazone herbicide + metribuzin, 3. clomazone herbicide + metribuzin + PlonoStart biostimulant, 4. clomazone herbicide + metribuzin + Aminoplant biostimulant, 5. clomazone herbicide + metribuzin + Agro-Sorb-Folium biostimulant). Potato varieties and methods of herbicide and biostimulant application significantly influenced the yield of dry matter, starch and protein. The highest yields of the above-mentioned tuber components were obtained from objects 5 and 3 sprayed with herbicide with the Agro-Sorb-Folium and PlonoStart biostimulants. The weather conditions prevailing in the years of the research were also decisive for the yield of protein collected from the area unit.
Źródło:
Journal of Ecological Engineering; 2022, 23, 3; 137--144
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Micropropagation of five endemic, rare and/or endangered Narcissus species from the Iberian Peninsula (Spain and Portugal)
Autorzy:
Juan-Vicedo, J.
Pavlov, A.
Rios, S.
Casas, J.L.
Powiązania:
https://bibliotekanauki.pl/articles/2117723.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
bulb scales
conservation
endangered plants
micropropagation
Narcissus
plant
growth regulators
Opis:
The genus Narcissus has several endemic, rare and/or threatened species in the Iberian Peninsula and North Africa. In vitro propagation is a useful tool for threatened plants conservation used in ex situ strategies. Thus, the aim of this work was to study the propagation in vitro of bulb scale explants of five endemic, rare and/or endangered Narcissus species from the Iberian Peninsula, treated with different PGR combinations. Initiation was achieved in half-strength Murashige and Skoog (MS) basal salts and vitamins, 10 g/L sucrose, 500 mg/L casein hydrolysate, 2 mg/L adenine, 10 mg/L glutathione and 5.5 g/L plant agar. In the multiplication phase, the highest bulblet proliferation was obtained in MS medium supplemented with 30 g/L sucrose and the combination of 10 μM 6-Benzylaminopurine (BAP) + 5 μM α-Naphthaleneacetic acid (NAA) in N. alcaracensis, N. eugeniae and N. hedraeanthus; 20 μM BAP + 5 μM NAA in N. jonquilla and N. yepesii. The highest rooting was obtained with 5 μM NAA + 1 μM Indole-3-butyric acid (IBA) for all species (>75%) and more than 80% of the produced bulblets were successfully acclimatized.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2021, 63, 1; 55-61
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza wypadków nurkowych związanych z zamarzaniem automatów oddechowych
An analysis of diving accidents related to the freezing of diving regulators
Autorzy:
Iwankiewicz, K.
Iwańkowicz, R.
Powiązania:
https://bibliotekanauki.pl/articles/366403.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Medycyny i Techniki Hiperbarycznej
Tematy:
nurkowanie
zamarznie automatów
wypadki nurkowe
diving
free flow regulators
diving accidents
Opis:
W artykule opisano zjawisko zamarzania automatów oddechowych, przedstawiono statystykę wypadków nurkowych oraz ich związek z zamarzaniem automatów. Przedstawiono także wyniki badań awaryjności automatów oddechowych związanych z zamarzaniem zarówno w laboratorium, jak i w warunkach rzeczywistych.
The article describes the phenomenon of freezing of diving regulators and presents the statistics of diving accidents and their relation to regulator freeze-ups. The article also presents the results of failure frequency tests on diving regulators conducted in the laboratory as well as in real conditions.
Źródło:
Polish Hyperbaric Research; 2013, 1(42); 57-81
1734-7009
2084-0535
Pojawia się w:
Polish Hyperbaric Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
About one Approach to Solve the Problem of Management of the Development and Operation of Centralized Water-Supply Systems
Autorzy:
Tevyashev, A.
Matviienko, O.
Powiązania:
https://bibliotekanauki.pl/articles/411068.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:
resource and energy saving
zoning
pressure regulators
pump station
adjustable drive
Opis:
One of the approaches to solve the problem of resource and energy saving in centralized water-supply systems by reducing the total excess pressure in water-supply nodes is examined in the present work. The implementation of this approach is provided due to re-engineering of water-supplies by their zoning and optimal flux-distribution in the water-supplies. Mathematical formulations of the problems to be examined and efficient algorithms of their solving are presented.
Źródło:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2014, 3, 3; 61-76
2084-5715
Pojawia się w:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of NAA and BAP on the multiplication of chamomile (Matricaria chamomilla L.) callus tissue in vitro
Autorzy:
Mazur, Paweł
Kulpa, Danuta
Powiązania:
https://bibliotekanauki.pl/articles/1075653.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Campyliaceae
Chamomile
Matricaria chamomilla
callus tissue
growth regulators
in vitro
multiplication
Opis:
The aim of the study was to determine the effect of the additive on NAA and BAP on the formation of callus tissue on leaf chamomile explants, cultivar, and to determine the optimal content of said growth regulators for the initiation of callus tissue in vitro. During the experiment fragments of chamomile from the collection of the Department of Genetics, Breeding and Biotechnology of Plant were laid on a medium with mineral composition according to Murashige and Skoog - MS (1962) enriched with auxin NAA in concentrations of 3 and 5 mg·dm-3 and cytokinin BAP in a concentration of 1, 2 , 5, 7 mg·dm-3. Based on the conducted experiment it was found that the initiation of callus chamomile tissue is possible in the case of using leaf explants lined with MS in the combination of auxin NAA in concentration 3 or 5 mg·dm-3 and BAP from 1 to 7 mg·dm-3. The propagation of chamomile callus tissue should be carried out on MS proliferating medium enriched with NAA at a rate of 3 mg·dm-3 and BAP in an amount of 7 mg·dm-3. Explants laid on a medium with this composition develop a large mass of callus tissue.
Źródło:
World Scientific News; 2019, 125; 245-251
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Обращения как способ выражения эмоций (на материале русского, белорусского и словацкого языков)
Autorzy:
Калечиц, Елена
Powiązania:
https://bibliotekanauki.pl/articles/1023246.pdf
Data publikacji:
2019-09-05
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
appeals
basic emotions
regulators
emotional meaning
communicative pragmatic and cognitive-pragmatic approaches
Opis:
Emotions put their imprint on all language levels and, most likely, are manifested in almost all appeals. The paper analyzes the appeals, synonymous with the word “grandmother”, which perform pragmatic and expressive functions. On this basis, we call them emotives and emotives-regulators. Some nuances of their use in Russian, Belarusian and Slovak are described. The positive national and international emotional meaning of the appeals under consideration is underlined.
Źródło:
Studia Rossica Posnaniensia; 2019, 44, 2; 195-208
0081-6884
Pojawia się w:
Studia Rossica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Linear Matrix Inequalities in multivariable ship’s steering
Autorzy:
Rybczak, M.
Powiązania:
https://bibliotekanauki.pl/articles/259077.pdf
Data publikacji:
2012
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
linear matrix inequality
use of LMI
synthesis of regulators
multivariable system
ship's control
Opis:
This paper explains the basics of the Linear Matrix Inequalities (LMI), with examples of simulations and calculations created in Matlab/Simulink programming environment where the controlled plant is the “Blue Lady” ship model. First chapter of this paper gives a short overview of publications describing the use of Linear Matrix Inequalities method. Second chapter contains basic definitions and equations for the LMI method. Chapter three presents the use of LMI method for ship control by describing controller synthesis for the “Blue Lady”. Chapter four compares the operation of two controllers, the first one consisting of three independent proper adjusted PID controllers and the second one being a multivariable LMI controller. Finally conclusions from the above comparison are drawn.
Źródło:
Polish Maritime Research; 2012, S 1; 37-44
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
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