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Tytuł:
Characterization of Selected Solar Radio Bursts Based on Solar Activity Detected by e- CALLISTO (Malaysia)
Autorzy:
Hamidi, Z. S.
Shariff, N. N. M.
Monstein, C.
Powiązania:
https://bibliotekanauki.pl/articles/412630.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
sun
low frequency
solar radio
burst
type II
type III
type IV
type V
type U
e-CALLISTO
Opis:
One of the main reasons to study more about the dynamics of solar radio bursts is because solar these bursts can interfere with the Global Positioning System (GPS) and communications systems. More importantly, these bursts are a key to understand the space weather condition. Recent work on the interpretation of the low frequency region of a main solar burst is discussed. Continuum radio bursts are often related to the solar activities such as an indication of the formation of sunspot, impulsive phase of solar flares and Coronal Mass Ejections (CMEs) and their frequencies correspond to the densities supposed to exist in the primary energy release volume. Specifically, solar burst in low frequency play an important role in interpretation of Sun activities. In this work, we have selected few solar bursts that successfully detected by our station at the National Space Centre, Banting Selangor. Our objective is to correlate the solar burst with Sun activities by looking at the main sources that responsibility with the trigger of solar burst. It is found that type II burst is dominant with Coronal Mass Ejections (CMEs), type III burst associated with solar flare, IV burst with the formation of active region and type U burst high solar flare. We believed that this work is a good start to monitor Sun’s activities in Malaysia as equatorial country.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 13, 2; 144-159
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A comparative analysis of influenza virus infections in the 2013/2014 and 2014/2015 epidemic seasons in the reporting system, for different age groups in Poland
Autorzy:
Hallmann-Szelińska, Ewelina
Rabczenko, Daniel
Bednarska, Karolina
Kondratiuk, Katarzyna
Brydak, Lidia
Powiązania:
https://bibliotekanauki.pl/articles/551735.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Przyjaciół Medycyny Rodzinnej i Lekarzy Rodzinnych
Tematy:
flu
type A
type B
epidemic season.
Źródło:
Family Medicine & Primary Care Review; 2016, 3; 244-249
1734-3402
Pojawia się w:
Family Medicine & Primary Care Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
PZT-Type Ceramics Doped with Manganese, Antimony, Lanthanum and Tungsten - Technology and Physical Properties
Autorzy:
Bochenek, D.
Niemiec, P.
Ćwikiel, E.
Goryczka, T.
Powiązania:
https://bibliotekanauki.pl/articles/353398.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
PZT type ceramics
perovskite type materials
ferroelectrics
doped
Opis:
The work three ceramic compositions based on PbZr0.49 Ti0.51O3 doped with manganese (Mn), antimony (Sb), lanthanum (La) and tungsten (W) were obtained. The introduction of a set of admixtures was aimed at improving the sinterability of ceramic materials and optimizing its electrophysical parameters. Multi-component materials of the PZT-type with a general formula: Pb(PbZr0.49 Ti0.51)0.94 Mn0.021 Sb0.016 LayWz O3 (where y from 0.008 to 0.012 and z from 0.012 to 0.014) were prepared by the conventional mixed oxide method. After mixing and drying the powder mixtures were calcined in air at 850°C for 4 h, while densification of the powders was carried out by the free sintering method at 1150°C for 2 h. The final steps of technology were grinding, polishing, annealing and putting silver paste electrodes onto both surfaces of the samples for electrical testing. XRD, SEM, EDS, dielectric, ferroelectric, piezoelectric properties and DC electrical conductivity of the obtained ceramic compositions were carried out. X-ray tests of the crystal structure conducted at room temperature have shown that all obtained the PZT-type materials were a single phase (perovskite type) without the presence of a foreign phase. Symmetry of the crystal lattice was identified as space group P4mm. Temperature dielectric studies have shown high values of dielectric permittivity and low dielectric loss. The presented physical properties of ceramic samples based on PZT confirm their predisposition for application in modern microelectronic and micromechatronic applications.
Źródło:
Archives of Metallurgy and Materials; 2020, 65, 2; 827-837
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Extension maps in ultradifferentiable and ultraholomorphic function spaces
Autorzy:
Schmets, Jean
Valdivia, Manuel
Powiązania:
https://bibliotekanauki.pl/articles/1205776.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
extension map
ultradifferentiable function
Roumieu type
Beurling type
Opis:
The problem of the existence of extension maps from 0 to ℝ in the setting of the classical ultradifferentiable function spaces has been solved by Petzsche [9] by proving a generalization of the Borel and Mityagin theorems for $C^{∞}$-spaces. We get a Ritt type improvement, i.e. from 0 to sectors of the Riemann surface of the function log for spaces of ultraholomorphic functions, by first establishing a generalization to some nonclassical ultradifferentiable function spaces.
Źródło:
Studia Mathematica; 2000, 143, 3; 221-250
0039-3223
Pojawia się w:
Studia Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermodynamic Analysis of Precipitation Process of MX-type Phases in High Strength Low Alloy Steels
Autorzy:
Opiela, Marek
Powiązania:
https://bibliotekanauki.pl/articles/2024045.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
precipitation
HSLA-type steel
MX-type phases
carbonitrides
Opis:
The paper presents the results of thermodynamic analysis of precipitation process of MX-type interstitial phases in austenite. The subject of the investigation were two newly developed high strength low alloy microalloyed steels with similar concentration of C and N and with diversified amount of Nb, Ti and V microadditions. Thermodynamic analysis of the state of phase equilibrium of structural constituents, taking into consideration the austenite of investigated microalloyed steels, was mainly focused on analytic calculations of chemical composition of austenite and the content and chemical composition of potential MX-type interstitial phases (M – metal, X – metalloid) as a function of heating or cooling temperature. The analysis of precipitation process of complex carbonitrides in austenite under thermodynamic equilibrium conditions has allowed to define stoichiometric compositions of carbonitrides as a function of temperature along with determination of their volume portion. This study was based on the model proposed by Hillert and Staffanson, which was subsequently developed by Adrian. The results of performed investigation can be used to develop the appropriate parameters of thermomechanical treatment of metallurgical products from the tested HSLA-type steels.
Źródło:
Advances in Science and Technology. Research Journal; 2021, 15, 2; 90-100
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermic weather types in Hel and atmospheric circulation types
Termiczne typy pogody w Helu a typy cyrkulacji atmosferycznej
Autorzy:
Baranowski, D.
Kirschenstein, .
Powiązania:
https://bibliotekanauki.pl/articles/84823.pdf
Data publikacji:
2009
Wydawca:
Akademia Pomorska w Słupsku
Tematy:
thermic weather type
weather type
Hel resort
atmospheric circulation
circulation type
Polska
annual number
Opis:
The main purpose of the article is the analysis of the relations between thermic weather types in Hel and types of circulation from Osuchowska-Klein’s classification (1978). Thermic types have been constructed on the basis of A. Woś’s classification of weather types (1993). As a result, in the study eleven thermic types have been distinguished and grouped into three categories of weather: warm, transitory and frosty. Detailed analysis has revealed that the frequency of thermic weather types in particular types of circulation is determined by the character of circulation (cyclonic/anticyclonic) as well as by its direction. The most numerous types of circulation over Poland: E (north-eastern anticyclonic) and CB (north-western cyclonic) most often are accompanied by warm and transitory weather. In Hel the warm weather group is conditioned mainly by the circulation types associated with the advection of the air from the West or South; transitory and frosty groups are related to the types of circulation conditioning the airflow from the northern or eastern sector.
Zasadniczym celem pracy było określenie częstości występowania w Helu termicznych typów pogody (w latach 1976-1995), w zależności od typu cyrkulacji atmosferycznej (według klasyfikacji B. Osuchowskiej-Klein 1978). Termiczne typy pogody wyróżniono na podstawie klasyfikacji zaproponowanej przez A.Wosia (1993), opartej na dobowych warunkach pogodowych. W niniejszym opracowaniu jedynym kryterium grupowania pogody w klasy były charakterystyki termiczne z tej klasyfikacji. Biorąc pod uwagę dobowe wartości temperatur ekstremalnych (tmax, tmin), wyróżniono trzy podstawowe grupy pogód: ciepłe, przejściowe oraz mroźne, które w zależności od wartości średniej dobowej temperatury powietrza podzielono na 11 termicznych typów pogody. W opracowaniu, w pierwszej kolejności określono typy decydujące o charakterze cyrkulacji nad obszarem Polski, a następnie przeanalizowano towarzyszące im termiczne typy pogody w półroczu chłodnym (X-III), ciepłym (IV-IX) oraz w skali roku. Uzyskane wyniki pozwalają na wysnucie następujących wniosków. Cyrkulacja atmosferyczna w dużej mierze determinuje częstość występowania termicznych typów pogody w Helu, przy czym rola kierunku adwekcji mas powietrza jest większa niż charakter (cyklonalny/antycyklonalny) układu barycznego. Występowaniu pogód ciepłych sprzyja większa frekwencja typów cyrkulacji charakteryzujących się napływem powietrza z sektora południowego i zachodniego. Pogody przejściowe i mroźne towarzyszą najczęściej typom cyrkulacji sprowadzającym do Polski powietrze z północy lub ze wschodu. Najliczniej reprezentowanym typem pogody jest pogoda umiarkowanie ciepła, która pojawia się najczęściej późną wiosną i jesienią (z maksimum w październiku) przy najmniejszej częstości w lutym. Do grupy typów o dużej frekwencji należy ponadto: pogoda bardzo ciepła – notowana wyłącznie od kwietnia do października oraz pogoda chłodna – występująca od października do maja. W półroczu chłodnym występuje większe zróżnicowanie termicznych typów pogody w zależności od typu cyrkulacji atmosferycznej.
Źródło:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2009, 13 part I
1643-0115
Pojawia się w:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zur Rolle der Zweisprachigkeit in ausgewählten Textsorten
The role of multilingualism in selected text types
Autorzy:
Jarosz, Józef
Powiązania:
https://bibliotekanauki.pl/articles/926604.pdf
Data publikacji:
2019-04-26
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
text type linguistics
text type
multilingualism
text function
German
Opis:
The paper deals with the role of multilingualism in selected text types. The reflections on forms of multilingualism and occasions for using multiple languages in a text lead to the creation of a typologythat distinguishes between obligatory and optional use of multiple languages in text types. The obligatory multilingualism is constitutive in dictionaries, textbooks and teaching materials. Optional multilingualism, which was examined using the example of German advertising texts and grave inscriptions from Germany and Denmark, reinforces the main function of the text.
Źródło:
Studia Germanica Posnaniensia; 2018, 39; 53-73
0137-2467
Pojawia się w:
Studia Germanica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The proof integral inequalities the first order by using Florkiewicz uniform method
Autorzy:
Xolmirzayeva, G. I.
Dadaboyev, S.
Powiązania:
https://bibliotekanauki.pl/articles/1076392.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Florkiewicz uniform method
Nehari type
Pokorniy type
uniform method
Opis:
The aim of this paper to get an integral inequalities Nehari’s and Pokorniy’s type with of the function and it is the first order derivatives by using the uniform method.
Źródło:
World Scientific News; 2019, 116; 230-237
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A novel approach to type-reduction and design of interval type-2 fuzzy logic systems
Autorzy:
Starczewski, Janusz T.
Przybyszewski, Krzysztof
Byrski, Aleksander
Szmidt, Eulalia
Napoli, Christian
Powiązania:
https://bibliotekanauki.pl/articles/2147137.pdf
Data publikacji:
2022
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
smooth type-reduction
interval type-2 fuzzy logic systems
Opis:
Fuzzy logic systems, unlike black-box models, are known as transparent artificial intelligence systems that have explainable rules of reasoning. Type 2 fuzzy systems extend the field of application to tasks that require the introduction of uncertainty in the rules, e.g. for handling corrupted data. Most practical implementations use interval type-2 sets and process interval membership grades. The key role in the design of type-2 interval fuzzy logic systems is played by the type-2 inference defuzzification method. In type-2 systems this generally takes place in two steps: type-reduction first, then standard defuzzification. The only precise type-reduction method is the iterative method known as Karnik-Mendel (KM) algorithm with its enhancement modifications. The known non-iterative methods deliver only an approximation of the boundaries of a type-reduced set and, in special cases, they diminish the profits that result from the use of type-2 fuzzy logic systems. In this paper, we propose a novel type-reduction method based on a smooth approximation of maximum/minimum, and we call this method a smooth type-reduction. Replacing the iterative KM algorithm by the smooth type-reduction, we obtain a structure of an adaptive interval type-2 fuzzy logic which is non-iterative and as close to an approximation of the KM algorithm as we like.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2022, 12, 3; 197--206
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A new source of male sterility in rye (Secale cereale L.).
Autorzy:
Warzecha, Roman
Salak-Warzecha, Krystyna
Powiązania:
https://bibliotekanauki.pl/articles/2198914.pdf
Data publikacji:
2003-12-21
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
male strility
new sources
rye
type P
type V
Opis:
Pampa cytoplasm has served as the main source of male sterility in hybrid rye breeding programs in Europe for 30 years and there is a need of introducing new CMS sources to prevent cytoplasm uniformity. Several CMS sources were discovered and studied in the former Soviet Union. The CMS sources in rye can be classified into two major groups, the P (Pampa) type and the V (Vavilov) type. The main goal of this study was to widen the “sterile” cytoplasm as a tool for rye hybrid development. ‘Koerntner’ represent the same or similar source of male sterility like CMS ‘CM’ and CMS ‘V type’. This source is genetically different from the sources of male sterility ‘Pampa’ and ‘D. Zlote’-1. In F2 progenies develop by self-pollination F1 plants, of P.6.2-1 × line 113, segregation according to the ratio three male fertile plants to one male sterile, was observed. The segregation ratio in F2 indicate that one or two recessive gene(s) are being involved in the interaction with mutated (S) cytoplasm to cause male sterility.
Źródło:
Plant Breeding and Seed Science; 2003, 48; 61-65
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chronology of Formation of Solar Radio Burst Types III and V Associated with Solar Flare Phenomenon on 19th September 2011
Autorzy:
Hamidi, Z. S.
Shariff, N. N. M.
Powiązania:
https://bibliotekanauki.pl/articles/411656.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
solar radio burst
solar flare
type III
type V
CALLISTO
Opis:
The formation of two different solar bursts, type III and V in one solar flare event is presented. Both bursts are found on 19th September 2011 associated with C-class flares on active region 1295. From the observation, we believed that the mechanism of evolution the bursts play an important role in the event. It is found that type V burst appeared in five minutes after type III. There are a few active regions on the solar disk but most are magnetically simple and have remained rather quiet. An interpretation of this new result depends critically on the number of sunspots and the role of active region 1295. Sunspot number is increased up to 144 with seven sunspots can be observed. During that event, the speed of solar wind exceeds 433.8 km/second with 2.0 g/cm3 density of protons in the solar corona. Currently, radio flux is also high up to 150 SFU. The solar flare type C6 is continuously being observed in the X-ray region for 24 hours since 1541 UT and a maximum C1 is detected on 1847 UT. Although the sources of both bursts are same, the direction and ejection explode differ.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 5; 32-42
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative dynamic analysis of the portal cranes of type H and X
Autorzy:
Vasiljević, Rade
Powiązania:
https://bibliotekanauki.pl/articles/1839622.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
portal cranes
type H
type X
Finite Element Method
comparative dynamicanalysis
Opis:
In this paper, a comparative dynamic analysis of the portal cranes of type H and X is described. The difference of the considered cranes arises from the difference of their portals. These two types of portals have the same main geometric measurements. They differ only at the medium level in the horizontal plane. The first type of the portal on the middle level has an H-frame, while the second type has an X-frame. In this paper, dynamic parameters of the two portals have been compared. Estimation has been done to find which of the two types of portals has more favourable dynamic stability for overturn.
Źródło:
Journal of Theoretical and Applied Mechanics; 2020, 58, 4; 825-839
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Двовимірна типологія частково фразеологізованих речень
Two‑Dimensional Typology of Partially Phraseologized Sentences
Autorzy:
Личук, Марія
Powiązania:
https://bibliotekanauki.pl/articles/16511489.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
partially phraseologized sentence
structural type
semantic type
structural scheme
phrase‑scheme
Opis:
The article is devoted to research into the systematization of the structural and semantic types of partially phraseologized sentences. Partially phraseologized sentences have been ascertained to have their functional and communicative purpose in language and speech. The formal and semantic principles of the typology of partially phraseologized sentences have been determined. Structural typologies of partially phraseologized sentences are based on quantitative and morphological criteria. Analyzed have been the structural types of partly phraseologized sentences. Partially phraseologized sentences are formed by two‑, three‑, four‑, and five‑part phrase‑complexes. The semantic types of partially phraseologized sentences are based on the type of syntactic relations between their two parts, depending on which we can single out: 1) sentences with temporal relations; 2) sentences with relations of generalized condition; 3) sentences with explanatory relations; 4) sentences with applicative relations.
Źródło:
Slavia Orientalis; 2022, LXXI, 2; 359-371
0037-6744
Pojawia się w:
Slavia Orientalis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On Efficient Difference Type Estimators
Autorzy:
Swain, A. K. P. C.
Powiązania:
https://bibliotekanauki.pl/articles/465693.pdf
Data publikacji:
2010
Wydawca:
Główny Urząd Statystyczny
Tematy:
Difference type
Ratio type and Regression type estimators
Efficiencies of estimators
Auxiliary information
Simple random sampling without replacement
Opis:
This paper considers a more efficient difference type estimator in a finite population set-up. Ratio type and regression type estimators are derived as special cases. Further efficiencies of these estimators are compared with classical ratio and regression estimators. Numerical illustrations are provided to compare efficiencies of different competitive estimators.
Źródło:
Statistics in Transition new series; 2010, 11, 3; 128-135
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementing semantic frames as typed feature structures with XMG
Autorzy:
Lichte, T.
Petitjean, S.
Powiązania:
https://bibliotekanauki.pl/articles/103937.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Instytut Podstaw Informatyki PAN
Tematy:
metagrammar
typed feature structures
models of type constraints
type hierarchy
unification
Opis:
This work1 presents results on the integration of frame-based representations into the framework of eXtensible MetaGrammar (XMG). Originally XMG allowed for the description of tree-based syntactic structures and underspecified representations of predicate-logical formulae, but the representation of frames as a sort of typed feature structure, particularly type unification, was not supported. Therefore, we introduce an extension that is capable of handling frame representations directly by means of a novel -dimension. The aim is not only to make possible a straightforward specification of frame descriptions, but also to offer various ways to specify constraints on types, be it as a connected type hierarchy or a loose set of feature structure constraints. The presented extensions to XMG are fully operational in a new prototype.
Źródło:
Journal of Language Modelling; 2015, 3, 1; 185-228
2299-856X
2299-8470
Pojawia się w:
Journal of Language Modelling
Dostawca treści:
Biblioteka Nauki
Artykuł

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