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Wyszukujesz frazę "results of researches" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
The influence of jet links' parameters on the stress loading of tractor's power train sites
Autorzy:
Godzhaev, Z.
Powiązania:
https://bibliotekanauki.pl/articles/244090.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
caterpillar transport
power train
dynamic stress loading
mathematical model
results of researches
Opis:
In the article are described the results of calculation researches of influence of ruggedness of fastening to aframe in cross-section and longitudinal planes of case parts of a power chain of a caterpillar, and also ruggedness of communication with aframe in the same planes of a combustion engine on dynamic stress loading of sites of a power train during movement with different speeds. Except the specified ruggedness of fastening, this dynamic loading depends on parameters of shifting jerks which take place in a power shafting owing to non-uniformity of action of the basic operational loadings - oscillations oftraction resistance, cross-section and axial vibrations of a framework of a tractor on a suspender, rewinds of a Caterpillar chain, non-uniformity of rotation of a shaft of the engine. Researches have shown that at the expense of steering of ruggedness of fastening to an engine bed and case parts of transmission it is possible to essentially lower dynamic stress loading of separate sites of transmission in movement modes when details of these sites are loaded as much as possible. The circuit solution is offered for realization in a fastening design to a frame of the case of transmission of caterpillars of VT family which will allow to lower stress loading of transmission details on certain speeds of movement.
Źródło:
Journal of KONES; 2009, 16, 1; 145-156
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geometria i kształcenie geometryczne we współczesnej szkole średniej i wyższej - praktyka i problemy
Geometry and geometrical education in the current secondary and high school – practice and problems
Autorzy:
Utiejewa, Roza A.
Pardała, Antoni
Powiązania:
https://bibliotekanauki.pl/articles/1789385.pdf
Data publikacji:
2017-07-06
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
results of researches on the problems of geometry
practice
state
quality and current problems of geometrical education of pupils and students
Opis:
The present article presents the genesis of the international conference: andhighGeometry and geometrical education in the current second high school, which took place on November 22-25, 2012 in Togliatti StateUniversity. This conference was dedicated to the 70th jubilee of professorW.A. Gusiew (В.А. Гусев), world-wide famous professor of Mathematicseducation, author and co-author of Geometry textbooks and methodologicalguidebooks for teachers of Maths, published for the need of students’ geometricaleducation and having recommendation of the Russian Ministry ofEducation and Science. In this work the crucial threads of the plenary lectureof professor W.A. Gusiew and the points of the scientific program of theTogliatti Conference are discussed. The plenary lecture, as well as papersand groups’ and round table discussions revealed the results of research onthe problems of Geometry, and the state, quality and current problems ofgeometrical education of pupils and students. Both Russian and foreign participantsof the conference, while judging and summarizing the results of theconference, jointly expressed their concerns about the slow pace of adaptingthe educational systems to the Bologna process, and about the current stateand quality of Maths education. The legitimacy of those concerns is shownby the lower motivation of pupils and students to study Geometry and Maths, reduced number of Maths hours in school, confusing standards of Mathseducation, reduced requirements on the Maths school-leaving examinationand Maths exams in universities.
Źródło:
Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia; 2013, 5; 121-127
2080-9751
2450-341X
Pojawia się w:
Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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