Autor: Royo, J. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Overall Factory Vibration Level: The need for global indicators in CBM
Autorzy:: Galar, D.
Berges, L.
Royo, J.
Powiązania:: https://bibliotekanauki.pl/articles/329618.pdf
Data publikacji:: 2010
Wydawca:: Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:: drgania
prędkość
przyspieszenie
CBM
vibration
speed
acceleration
predictive maintenance
data collector
indicator
Opis:: When we do predictive maintenance, including vibration analysis, rotating machinery, we anticipate many times a catastrophic failure that without this technology, would be difficult to locate and make unsafe our system functionally. This analysis is done individually machine to machine, point to point which prevents us from having a parameter that quantifies the overall status of all rotating machinery of a plant or department.
Źródło:: Diagnostyka; 2010, 2(54); 17-23
1641-6414
2449-5220
Pojawia się w:: Diagnostyka
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: New sauropod trackways from the Middle Jurassic of Portugal
Autorzy:: Santos, V F
Moratalla, J.J.
Royo-Torres, R.
Powiązania:: https://bibliotekanauki.pl/articles/22749.pdf
Data publikacji:: 2009
Wydawca:: Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:: new sauropod
sauropod
paleontology
trackway
Middle Jurassic
Jurassic
Portugal
Dinosauria
Sauropoda
morphotype
Opis:: The Galinha tracksite reveals a sequence of Bajocian–Bathonian limestones belonging to the Serra de Aire Formation (West−Central Portugal) and is one of the few sites in the world where Middle Jurassic sauropod dinosaur tracks can be found. This tracksite is characterised by the presence of long, wide gauge sauropod trackways, the Middle Jurassic age of which suggests these dinosaurs were more widely distributed over time than previously thought. Two trackways contain unique pes and manus prints with morphologies that allow a new sauropod ichnotaxon to be described: Polyonyx gomesi igen. et isp. nov. On the basis of different manus/pes prints and trackway features, the proposal is made to subdivide Sauropodomorpha ichno−morphotypes into five groups: Tetrasauropus−like, Otozoum−like, Breviparopus/Parabrontopodus−like; Brontopodus−like, and Polyonyx−like. Polyonyx gomesi igen. et isp. nov. is thought to represent a nonneosauropod eusauropod, with a well developed manus digit I. The posterior orientation of this digit print suggests they were made by a eusauropod dinosaur with a posteriorly rotated pollex. The manus print morphologies observed in two trackways suggest a stage of manus structure intermediate between the primitive non−tubular sauropod manus and the tubular metacarpal arrangement characteristic of more derived sauropods. The low heteropody (manus:pes area ratio 1:2) of the trackway renders it possible they could have been made by eusauropods such as Turiasaurus riodevensis, which has a similar manus:pes area ratio. The Polyonyx igen. nov. trackway was made by non−neosauropod eusauropod, and suggests that wide gauge sauropod trackways were not exclusively made by Titanosauriformes.
Źródło:: Acta Palaeontologica Polonica; 2009, 54, 3; 409-422
0567-7920
Pojawia się w:: Acta Palaeontologica Polonica
Dostawca treści:: Biblioteka Nauki

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