Temat: element - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: On the second spectrum of lattice modules
Autorzy:: Phadatare, Narayan
Ballal, Sachin
Kharat, Vilas
Tematy:: second element
prime element
maximal element
minimal element
spectral space; Pokaż więcej
Wydawca:: Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Powiązania:: https://bibliotekanauki.pl/articles/38117900.pdf Link otwiera się w nowym oknie
Opis:: The second spectrum Spec^s(M) is the collection of all second elements of M. In this paper, we study the topology on Spec^s(M), which is a generalization of the Zariski topology on the prime spectrum of lattice modules. Besides some properties, Spec^s(M) is characterized and the interrelations between the topological properties of Spec^s(M) and the algebraic properties of M, are studied.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The quality of forming ridges by aggregate with passive and active working elements
Jakość formowania redlin agregatem z biernymi i aktywnymi elementami roboczymi
Autorzy:: Talarczyk, W.
Łowiński, Ł.
Pikosz, M.
Łukaszewski, M.
Tematy:: aggregate
passive working element
active working element
ridge
potato
carrot
agregat
bierny element roboczy
aktywny element roboczy
redlina
ziemniak
marchew; Pokaż więcej
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Maszyn Rolniczych
Powiązania:: https://bibliotekanauki.pl/articles/335226.pdf Link otwiera się w nowym oknie
Opis:: The paper presents a prototype of a combined aggregate for forming ridges, developed under the target oriented project, in collaboration Industrial Institute of Agricultural Engineering in Poznan with the BOMET Węgrów company. The results of prototype tests are shown, with regard to the quality of forming ridges in various versions of aggregate.
Przedstawiono prototyp kombinowanego agregatu do formowania redlin, opracowany w ramach projektu celowego, we współpracy Przemysłowego Instytutu Maszyn Rolniczych w Poznaniu z firmą BOMET Węgrów. Omówiono wyniki badań prototypu w zakresie jakości formowania redlin agregatem w różnych wersjach roboczych.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: All completely regular elements in $Hyp_{G}(n)$
Autorzy:: Boonmee, Ampika
Leeratanavalee, Sorasak
Tematy:: generalized hypersubstitution
regular element
completely regular element; Pokaż więcej
Wydawca:: Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Powiązania:: https://bibliotekanauki.pl/articles/729081.pdf Link otwiera się w nowym oknie
Opis:: In Universal Algebra, identities are used to classify algebras into collections, called varieties and hyperidentities are use to classify varieties into collections, called hypervarities. The concept of a hypersubstitution is a tool to study hyperidentities and hypervarieties.
Generalized hypersubstitutions and strong identities generalize the concepts of a hypersubstitution and of a hyperidentity, respectively. The set of all generalized hypersubstitutions forms a monoid. In this paper, we determine the set of all completely regular elements of this monoid of type τ=(n).
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: The stability of a steel welded girder with bending and shear forces included
Autorzy:: Sygulski, R.
Guminiak, M.
Polus, Ł.
Tematy:: buckling analysis
finite element method
boundary element method; Pokaż więcej
Wydawca:: Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Powiązania:: https://bibliotekanauki.pl/articles/387654.pdf Link otwiera się w nowym oknie
Opis:: The stability of the element of a steel welded girder subjected to bending and shear forces is considered. The considered element is a rectangular plate supported on boundary. The type of a plate boundary conditions depend on the types (thickness) of the stiffeners. Considered plate is loaded by in-plane forces causing bending and shear effects. The Finite Element Method was applied to carry out the analysis. Additionally the Boundary Element Method in terms of boundary-domain integral equation was applied to evaluate the critical shear loading.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Understanding the impact of ‘hard’ and ‘soft’ elements of TQM in south-east European firms
Autorzy:: Imeri, S.
Kekäle, T.
Takala, J.
Liu, Y.
Tematy:: TQM
hard element
‘soft’ element
south-eastern Europe; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/406866.pdf Link otwiera się w nowym oknie
Opis:: The study emphasizes on the understanding of the impact of ‘hard’ and ‘soft’ elements of TQM in South-Eastern European (SEE) firms in Albania, Bulgaria, Bosnia-Herzegovina, Greece, Macedonia, Montenegr, Serbia and Romania. Thus, 350 questionnaires were collected out of 1000. From different industry sectors in order to have reliable statistical measurements of the ‘hard’ and ‘soft’ side of TQM. Hence, this study adopts an exploratory rather than a confirmatory research approach. This approach seeks not only to investigate firms’ awareness and perception to TQM but also explores to what extent are firms’ familiar with TQM tools techniques, and systems as well as TQM philosophies and principles. Therefore, it can be noted TQM is this SEE firms is neither resisted nor directly accepted, rather they tend to see it from a technical aspect, being familiar and understanding only the essential of its ‘hard’ elements and less the ‘soft’ elements.
Dostawca treści:: Biblioteka Nauki

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na półce

Skocz do pozycji: 6.

Tytuł:: FEM-BEM coupling in the membrane structure-air interaction problem
Połączenie MES i MEB w zagadnieniach interakcji powłok membranowych i powietrza
Autorzy:: Sygulski, R.
Tematy:: finite element method
boundary element method
membrane structure; Pokaż więcej
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Powiązania:: https://bibliotekanauki.pl/articles/281304.pdf Link otwiera się w nowym oknie
Opis:: This paper deals with the interaction problems between the lightweight membrane structure and surrounding air. The coupling of FEM and BEM is described and applied to analysis of aerodynamics of membrane structures. Three methods of FEM-BEM coupling are presented.
Praca dotyczy problemów interakcji lekkich przekryć membranowych i otaczającego powietrza. Omawia się połączenie metody elementów skończonych (MES) i metody elementów brzegowych (MEB) do analizy zagadnień aerodynamiki powłok membranowych. Przedstawiono trzy metody połączenia MES i MEB.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Development and implementation of retro-reflective elements for automatic accessories and places of planned points
Autorzy:: Osypov, Valentyn
Tematy:: reflective element
microprism structures
element odblaskowy
struktury mikropryzmatyczne; Pokaż więcej
Wydawca:: Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Powiązania:: https://bibliotekanauki.pl/articles/374435.pdf Link otwiera się w nowym oknie
Opis:: For the first time, it was proposed to develop an optimal design of a circular reflector, to modernize the equipment for the production of a special cutting tool,b and to work out the technology of formation with its use of the matrixes of the originalsbof the retro-reflective elements, and the technology of galvanic cultivation of precision working matrix dies.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: A Coupled Smoothed Finite Element-Boundary Element Method for Structural-Acoustic Analysis of Shell
Autorzy:: Tian, W.
Yao, L.
Li, L.
Tematy:: SFEM
smoothed finite element method
FEM
finite element method
BEM
boundary element method
structural-acoustic analysis; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/177260.pdf Link otwiera się w nowym oknie
Opis:: Nowadays, the finite element method (FEM) – boundary element method (BEM) is used to predict the performance of structural-acoustic problem, i.e. the frequency response analysis, modal analysis. The accuracy of conventional FEM/BEM for structural-acoustic problems strongly depends on the size of the mesh, element quality, etc. As element size gets greater and distortion gets severer, the deviation of high frequency problem is also clear. In order to improve the accuracy of structural-acoustic problem, a smoothed finite-element/boundary-element coupling procedure (SFEM/BEM) is extended to analyze the structural-acoustic problem consisting of a shell structure interacting with the cavity in this paper, in which the SFEM and boundary element method (BEM) models are used to simulate the structure and the fluid, respectively. The governing equations of the structural-acoustic problems are established by coupling the SFEM for the structure and the BEM for the fluid. The solutions of SFEM are often found to be much more accurate than those of the FEM model. Based on its attractive features, it was decided in the present work to extend SFEM further for use in structural-acoustic analysis by coupling it with BEM, the present SFEM/BEM is implemented to predict the vehicle structure-acoustic frequency response analysis, and two numerical experiments results show that the present method can provide more accurate results compared with the standard FEM/BEM using the same mesh. It indicates that the present SFEM/BEM can be widely applied to solving many engineering noise, vibration and harshness (NVH) problems with more accurate solutions.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Research of influence of change of temperature mode on elastic-dissipative properties of suspensions
Autorzy:: Lyaschenko, M.
Cherkashina, E.
Buryakov, V.
Lutin, I.
Tematy:: dissipative element
elastic element
suspension
temperature mode
viscosity
volume
pressure; Pokaż więcej
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Powiązania:: https://bibliotekanauki.pl/articles/244191.pdf Link otwiera się w nowym oknie
Opis:: During the operation of the vehicle the friction in dissipative elements causes change of temperature mode. So there is a change in viscosity and volume of liquid. Also, change gas volume and pressure of elastic element. It has a significant impact on dissipative characteristic of suspensions as well as the elastic ones. The study of the rated model dedicated to the proces s of changing gas pressure and volume, as well as using as a working liquid oils with different densities and different viscosity changes depending on change of temperature mode. The rated model is presented basing on the elaboration, executed in Volgograd State Technical University in collaboration with Volgograd Engineering Company (ŤVMC" VgTZ). Researchers based on change of pressure of gas in elastic element at constant Volume; on change of volume of gas at constant pressure: on change of volume of liquid depending on used oil; on change of resistance of dissipative element at change of properties of liquid. In the paper example results of experimental researches of hvdromatic spring are presented. A comparison of resistance change of the shock-absorber at rise in temperature is worked out as well. Analysis of the obtained results indicates that essential influence has charting pressure.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Universal normal bases for the abelian closure of the field of rational numbers
Autorzy:: Hachenberger, Dirk
Tematy:: cyclotomic field
abelian closure
normal basis/element
universally normal basis/element
completely normal basis/element
trace-compatible sequence; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Matematyczny PAN
Powiązania:: https://bibliotekanauki.pl/articles/1207081.pdf Link otwiera się w nowym oknie
Dostawca treści:: Biblioteka Nauki

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