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Wyszukujesz frazę "Das, B." wg kryterium: Wszystkie pola


Tytuł:
Ksylometr Zakładu Dendrometrii WSR w Poznaniu
Ksilometr konstrukcii razrabotannojj Otdelom Dendrometrii Vyshejj Sel’skokhozjajjstvennojj Shkoly
Das xylometer der anstalt fur Holzmesskunde der Hochschule fur Landwirtschaft in Poznan
Autorzy:
Zabielski, B.
Witkowski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/818225.pdf
Data publikacji:
1956
Wydawca:
Polskie Towarzystwo Leśne
Źródło:
Sylwan; 1956, 100, 11
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
"Das chemisch-physikalische Laboratorium", B. Mühlethaler, "Jahresberichte", 1959 u. 1960 : [recenzja]
Autorzy:
Lehmann, J.
Powiązania:
https://bibliotekanauki.pl/articles/536083.pdf
Data publikacji:
1965
Wydawca:
Narodowy Instytut Dziedzictwa
Tematy:
dr Bruno Muhlethaler
fizyko-chemiczne laboratorium badawcze
muzeum w Zurychu
Źródło:
Ochrona Zabytków; 1965, 1; 67-68
0029-8247
Pojawia się w:
Ochrona Zabytków
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Das Heeresunterstützungskommando
Autorzy:
Vohland, B.
Powiązania:
Wehrtechnik 1996, nr 3, s. 31-36
Data publikacji:
1996
Tematy:
Dowództwo Wsparcia Wojsk Lądowych organizacja zadania Niemcy, Republika Federalna 1996 r.
Wojska lądowe dowodzenie organizacja Niemcy, Republika Federalna 1996 r.
Opis:
Organizacja dowodzenia siłami lądowymi RFN. Rola i zadania Dowództwa Wsparcia Sił Lądowych.
Fot., tab., rys., schem.
Dostawca treści:
Bibliografia CBW
Artykuł
Tytuł:
Participative Versus Assigned Production Standard Setting in a Repetitive Industrial Task: A Strategy for Improving Worker Productivity
Autorzy:
Das, B.
Shikdar, A. A.
Powiązania:
https://bibliotekanauki.pl/articles/89753.pdf
Data publikacji:
1999
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
participative standard
assigned standard
performance feedback
repetitive industrial task
worker productivity
produktywność pracowników
wydajność pracowników
produkcja przemysłowa
Opis:
The participative standard with feedback condition was superior to the assigned difficult (140% of normal) standard with feedback condition in terms of worker productivity. The percentage increase in worker productivity with the participative standard and feedback condition was 46%, whereas the increase in the assigned difficult standard with feedback was 23%, compared to the control group (no standard, no feedback). Worker productivity also improved significantly as a result of assigning a normal (100%) production standard with feedback, compared to the control group, and the increase was 12%. The participative standard with feedback condition emerges as the optimum strategy for improving worker productivity in a repetitive industrial production task.
Źródło:
International Journal of Occupational Safety and Ergonomics; 1999, 5, 3; 417-430
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of Low Back Pain Risks in a Beef Skinning Operation
Autorzy:
Das, B.
Sengupta, A. K.
Powiązania:
https://bibliotekanauki.pl/articles/89837.pdf
Data publikacji:
2000
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
low back pain
biomechanical analysis
ergonomic analysis
posture analysis
meat processing
ból pleców
analiza biomechaniczna
analiza ergonomiczna
postawa
Opis:
The low back pain risks in a beef skinning operation at a high stand kill floor workstation was evaluated. The increases in compressive forces at lower back (L5/S1) between normal slump (back angle 25°, measured in the sagittal plane) and severe (45°) and between normal slump and very severe (70°) bent back postures were 387 N or 28% and 616 N or 45%, respectively. The high spine load coupled with high level of repetition can have a high probability of fatigue failure in the spine structural members. Non-neutral back posture for a large portion of the total work time can be a low back pain risk factor. The videotape analysis showed that the times involved during the task performance for the bent back (more than 25°) and severe bent back (more than 45°) were 48.4 and 33.5% of the total cycle time, respectively. The upper limit from OWAS (Ovako Working Posture Analysis System) for bent back posture is 30% of the total cycle time. The bent and twisted back posture (both more than 25°) time was 10.4% compared to OWAS limit of 5%. This indicated that actions are needed in the near future to alleviate the risk of low back pain. Ergonomics redesign of the workstation was recommended for the operation.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2000, 6, 3; 347-361
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Isometric Pull and Push Strengths of Paraplegics in the Workspace: 1. Strength Measurement Profiles
Autorzy:
Das, B.
Black, N. L.
Powiązania:
https://bibliotekanauki.pl/articles/90074.pdf
Data publikacji:
2000
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
isometric strength
measurement
pull and push strengths
workspace
reach envelopes
paraplegics
pomiary
ciągnięcie
pchanie
siła mięśni
praca mięśni
Opis:
The isometric strength profiles of male and female paraplegics were determined for pull and push strengths in the normal, maximum, and extreme working reach envelopes. A computerized isometric strength measurement system was designed and constructed for the purpose. The strongest pull location was at extreme reach vertically above the shoulder and the strength values for males and females were 473 and 318 newtons (N), respectively. The strongest push location was at maximum reach, at vertical ($) angle of 45° and at horizontal (6) angle of 45° for males and at 0° for women and the strength values were 235 and 172 N, respectively. The nature of the strength profiles was found to be similar for both the sexes. The pull and push strengths of the female were 77 and 68% that of the male, respectively.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2000, 6, 1; 47-65
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Isometric Pull and Push Strengths of Paraplegics in the Workspace: 2. Statistical Analysis of Spatial Factors
Autorzy:
Das, B.
Black, N. L.
Powiązania:
https://bibliotekanauki.pl/articles/89871.pdf
Data publikacji:
2000
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
isometric strength
pull and push strengths
workspace reach levels
horizontal and vertical angles
paraplegics
analiza statystyczna
siła mięśni
praca mięśni
Opis:
The effect of reach levels, horizontal angles, and vertical angles on isometric pull and push strengths of male and female was determined. Highly significant increases in men’s push strength were found between extreme to maximum reaches, and from extreme to normal reaches. However, for women’s push strength, a significant increase was found only between extreme to maximum reach. Significant or highly significant increases were found in men’s and women’s pull strength between the horizontal angle (0) sagittal through the active shoulder (90°) and other angles (0, 45, and 135°). However, for men’s push strength, highly significant increases were found between the horizontal angle 45° from the frontal plane, and other angles. For women’s push strength, significant or highly significant increases were found between the horizontal angles 0° and angles of 90 and 135°. For men’s and women’s pull strength, significant or highly significant increases were found between the vertical angle (), 90°, and other angles (-20, 0, and 45°). Similar increases were found for women’s push strength between the 45° angle and other angles. In the design of a workstation for paraplegics that requires pull and push forces, consideration must be given to the spatial factors.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2000, 6, 1; 67-80
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Isometric Pull-Push Strengths in Workspace. 1, Strength Profiles
Autorzy:
Das, B.
Wang, Y.
Powiązania:
https://bibliotekanauki.pl/articles/90551.pdf
Data publikacji:
2004
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
isometric strength
push and pull strengths
workspace reach levels
vertical and horizontal angles
workstation design
pchanie
siła mięśni
praca mięśni
pozycja przy pracy
pozycja siedząca
pozycja stojąca
Opis:
The isometric pull and push strength profiles of males and females were determined in seated and standing positions in the workspace. The strongest pull strength location was at extreme reach vertically above the shoulder for both males and females. The greatest pull strength of 400 Newtons (N) for males was recorded in the seated and standing positions. Females. pull strengths in the seated and standing positions were 222 and 244 N, respectively. The strongest push strength was always at the maximum reach at the overhead location. Males. maximum push strength was 227 N in the seated position and 251 N in the standing position. Females’ maximum push strength was 96 N in the seated position and 140 N in the standing position. On the average the strength in the standing position was 79% of the seated position. The push strength was 71% of the pull strength and females were 56% as strong as males.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2004, 10, 1; 43-58
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Isometric Pull-Push Strengths in Workspace. 2, Analysis of Spatial Factors
Autorzy:
Das, B.
Wang, Y.
Powiązania:
https://bibliotekanauki.pl/articles/90758.pdf
Data publikacji:
2004
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
isometric strength
push and pull strengths
workspace reach levels
vertical and horizontal angles
workstation design
pchanie
siła mięśni
praca mięśni
pozycja przy pracy
pozycja siedząca
pozycja stojąca
projektowanie miejsc pracy
Opis:
The effect of reach levels, horizontal angles and vertical angles on isometric pull and push strengths of males and females in standing and seated positions was determined. The effect of reach levels on strength varied as a consequence of force direction, working position and gender. Reach level has a significant effect on women's pull strength in the seated position and on push strength in the standing position. The strength value was significantly greater in the extreme reach than in maximum or normal reach. Vertical angle ö had a significant effect on strength consistently in all cases. Strength values increased significantly with the increase of ö angles from 0º to 45º to 90º. The horizontal angle è had a significant influence only on the pull strength of standing and seated men and standing women (not seated woman). The maximum strength was significantly greater at è = 90º.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2004, 10, 1; 59-64
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł

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