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Wyszukujesz frazę "Roszkowski, M." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Numerical model of fricional damper for glas – making robot lance
Autorzy:
Stembalski, M.
Skoczyński, W.
Roszkowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/247991.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
robot
vibration damping
friction damper
numerical model
damping decrement
Opis:
The need to design a friction damper for glass-making robots arose because of the excessive vibrations, which occur in the course of their work. The robots are commonly used in the manufacture of glassware. The vibrations adversely affect the work of ball gatherers, which results in a large number of defects in the finished glass products. As a result of the vibrations molten glass may become unevenly distributed on the ball's surface and as the material flows down the ball into the mould the thermal conditions of its solidification may change. It is proposed to damp the vibrations by means of a prototype friction damper mounted directly on the ball gatherer lance. The glass-making robot lance with the friction damper was modelled. The vibrations of the glass-making robot lance tip under static load and impact excitation were measured during simulations. Also the relative displacements of the damper rings in the course of the excitations were measured. Moreover, the dependence between the preload force and the system's damping decrement was determined. The main aim was to select proper operating parameters for the proposed structure in order to obtain maximum system damping.
Źródło:
Journal of KONES; 2012, 19, 1; 391-398
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Physical activity in type 1 diabetic young and early adults treated with insulin pump therapy. A preliminary report
Autorzy:
Roszkowski, A.
Kulesza, K.
Cybulski, M.
Witkowska, A.M.
Powiązania:
https://bibliotekanauki.pl/articles/1918883.pdf
Data publikacji:
2019-08-26
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
Type 1 diabetes
insulin pump
physical activity
young adults
early adults
IPAQ
Opis:
Purpose: To determine the level of physical activity in young and early adults with type 1 diabetes in comparison with their healthy counterparts and to determine whether the use of insulin pump facilitates physical activity. Materials and methods: This study included 40 type 1 diabetes (T1D) subjects of both sexes treated with a personal insulin pump therapy, and 30 healthy controls. The diagnostic survey included questions about nutrition, knowledge about the disease and whether the patient can control diabetes through physical activity, diet and self-monitoring. The International Physical Activity Questionnaire – long form (IPAQ-L), was used to assess the level of physical activity of both diabetic and control individuals. Results: 87.5% T1D subjects believe that using an insulin pump facilitates their physical activity. The level of physical activity associated with cycling (p=0.038) and vigorous physical activity (p=0.008) was higher in T1D than in the control group. Statistically significant differences (p=0.043) were found for total physical activity. The total mean activity was higher in participants with T1D (8147.70 MET-min/week) compared to the control group (5857.55 MET-min/week). Conclusions: Young and early adults with type 1 diabetes may be more physically active than their healthy counterparts, mainly in their leisure time. The use of a personal insulin pump facilitates physical activity, but most diabetics experience episodes of hypoglycemia after physical activity.
Źródło:
Progress in Health Sciences; 2019, 1; 13-21
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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