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229 results for “pneumaticity”
Development of a Pneumatically Actuated Quadruped Robot Using Soft-Rigid Hybrid Variable-Stiffness Rotary Joints
<p>This is a supplementary video for the paper "Development of a Pneumatically Actuated Quadruped Robot Using Soft-Rigid Hybrid Variable-Stiffness Rotary Joints" submitted to Robotics.</p>
Worn Pneumatic Nailer
Source: Objaverse 1.0 / Sketchfab
Pneumatic Fracturing in Hele-Shaw Cell
<p>Fine porous media close to the random loose packing is fractured via 2 bar air injection.</p>
text-fig. 13. Theropod quadrates, illustrating different character states for characters 48-50. a, Allosaurus fragilisa left quadrate; posterior view; based on Madsen (1976) and MOR 693. b, unspecified oviraptorid; left quadrate; posterior (left) and medial view (right); redrawn from Maryanska and Osmólska (1997). Abbreviations: lc, lateral condyle; mc, medial condyle; ot cap, otic capitulum; pn, pneumatic cavity; pt, pterygoid wing; pt fac, pterygoid facet; qf, quadrate foramen; sq cap, squamosal capitulum. Scale bars represent 50 mm (a) and 10 mm (b). in The interrelationships and evolution of basal theropod dinosaurs
text-fig. 13. Theropod quadrates, illustrating different character states for characters 48-50. a, Allosaurus fragilisa left quadrate; posterior view; based on Madsen (1976) and MOR 693. b, unspecified oviraptorid; left quadrate; posterior (left) and medial view (right); redrawn from Maryanska and Osmólska (1997). Abbreviations: lc, lateral condyle; mc, medial condyle; ot cap, otic capitulum; pn, pneumatic cavity; pt, pterygoid wing; pt fac, pterygoid facet; qf, quadrate foramen; sq cap, squamosal capitulum. Scale bars represent 50 mm (a) and 10 mm (b).
text-fig. 6. Skull reconstructions of representatives of Cretaceous OTUs in left lateral view, a, abelisaurid Camotaurus sastrei, Late Cretaceous (Campanian), Gorro Frigio Formation, Argentina; based on Bonaparte et al. (1990) and MACN CH 894. b, composite skull of a generalized baryonychid; mainly based on Suchomimus tenerensis (MNN GDF 501, 503-506) and Irritator challenged (SMNS 58022), with some elements reconstructed after Baryonyx walkeri (BMNH R 9951). c, carcharodontosaurid Carcharodontosaurus sahariens, Late Cretaceous (Cenomanian), Kem Kem beds, Morocco; based on Sereno et al. (1996) and SGM-Din 1, unpreserved elements shaded. D, dromaeosaurid Velociraptor mongoliensis, Late Cretaceous (Campanian), Djadokhta Formation, Mongolia; based on Barsbold (1983), Barsbold and Osmólska (1999), and AMNH 6515. e, ornithomimosaur Dromiceiomimus brevitertius, Late Cretaceous (Maastrichtian), Horseshoe Canyon Formation, Alberta, Canada; redrawn from Russell (1972). F, oviraptorosaur Oviraptor philoceratops, Late Cretaceous (Campanian), Djadokhta Formation, Mongolia; redrawn from Barsbold et al. (1990). G, therizinosauroid Erlikosaurus andrewsi, Late Cretaceous (Cenomanian- Turonian), Baynshiren Svita, Mongolia; based on Clark et al. (1994). H, tyrannosaurid Gorgosaurus libratus, Late Cretaceous (Campanian), Judith River Formation, Alberta, Canada, redrawn from Molnar et al. (1990). Abbreviations as in Text-figures 4 and 5, and: acc. op., accessory opening of unknown function in the premaxilla of Oviraptor (Barsbold et al. 1990); amf, anterior maxillary foramen; pn, pneumatic openings. Scale bars represent 50 mm (d-g) and 100 mm (a-c, h). in The interrelationships and evolution of basal theropod dinosaurs
text-fig. 6. Skull reconstructions of representatives of Cretaceous OTUs in left lateral view, a, abelisaurid Camotaurus sastrei, Late Cretaceous (Campanian), Gorro Frigio Formation, Argentina; based on Bonaparte et al. (1990) and MACN CH 894. b, composite skull of a generalized baryonychid; mainly based on Suchomimus tenerensis (MNN GDF 501, 503-506) and Irritator challenged (SMNS 58022), with some elements reconstructed after Baryonyx walkeri (BMNH R 9951). c, carcharodontosaurid Carcharodontosaurus sahariens, Late Cretaceous (Cenomanian), Kem Kem beds, Morocco; based on Sereno et al. (1996) and SGM-Din 1, unpreserved elements shaded. D, dromaeosaurid Velociraptor mongoliensis, Late Cretaceous (Campanian), Djadokhta Formation, Mongolia; based on Barsbold (1983), Barsbold and Osmólska (1999), and AMNH 6515. e, ornithomimosaur Dromiceiomimus brevitertius, Late Cretaceous (Maastrichtian), Horseshoe Canyon Formation, Alberta, Canada; redrawn from Russell (1972). F, oviraptorosaur Oviraptor philoceratops, Late Cretaceous (Campanian), Djadokhta Formation, Mongolia; redrawn from Barsbold et al. (1990). G, therizinosauroid Erlikosaurus andrewsi, Late Cretaceous (Cenomanian- Turonian), Baynshiren Svita, Mongolia; based on Clark et al. (1994). H, tyrannosaurid Gorgosaurus libratus, Late Cretaceous (Campanian), Judith River Formation, Alberta, Canada, redrawn from Molnar et al. (1990). Abbreviations as in Text-figures 4 and 5, and: acc. op., accessory opening of unknown function in the premaxilla of Oviraptor (Barsbold et al. 1990); amf, anterior maxillary foramen; pn, pneumatic openings. Scale bars represent 50 mm (d-g) and 100 mm (a-c, h).
text-fig. 17. Lateral view of the braincase, illustrating states for several braincase characters, a, basal ornithischian Lesothosaurus diagnosticus; redrawn from Sereno (1991Z?). B, Troödon formosus; based on Currie and Zhao (1993a); the paroccipital process of Troödon is shown in cross-section to illustrate the internal pneumatic cavity within this bone. Abbreviations: atr, anterior tympanic recess; bpt, basipterygoid process; boc, basioccipital; bsp, basisphenoid; bt, basal tuber; ep, episthotic; f, frontal; fo, fenestra ovalis; ic, foramen for the entrance of the vidian canal for the internal carotid; jf, jugular foramen; Is, laterosphenoid; mf, metotic fissure; o, orbital facet on the frontal; oc, occipital condyle; op, opisthotic; osp, orbitosphenoid; pa, parietal; pn, pneumatic openings or cavities; pop, paroccipital process; pro, prootic; ps, parasphenoid; pspc, parasphenoid capsule; ptf, posttemporal foramen; vcm, exit of the vena capitis medialis; Roman numbers refer to the foramina for the exits of cranial nerves. Scale bars represent 10 mm. in The interrelationships and evolution of basal theropod dinosaurs
text-fig. 17. Lateral view of the braincase, illustrating states for several braincase characters, a, basal ornithischian Lesothosaurus diagnosticus; redrawn from Sereno (1991Z?). B, Troödon formosus; based on Currie and Zhao (1993a); the paroccipital process of Troödon is shown in cross-section to illustrate the internal pneumatic cavity within this bone. Abbreviations: atr, anterior tympanic recess; bpt, basipterygoid process; boc, basioccipital; bsp, basisphenoid; bt, basal tuber; ep, episthotic; f, frontal; fo, fenestra ovalis; ic, foramen for the entrance of the vidian canal for the internal carotid; jf, jugular foramen; Is, laterosphenoid; mf, metotic fissure; o, orbital facet on the frontal; oc, occipital condyle; op, opisthotic; osp, orbitosphenoid; pa, parietal; pn, pneumatic openings or cavities; pop, paroccipital process; pro, prootic; ps, parasphenoid; pspc, parasphenoid capsule; ptf, posttemporal foramen; vcm, exit of the vena capitis medialis; Roman numbers refer to the foramina for the exits of cranial nerves. Scale bars represent 10 mm.
Figure 3 in Dromaeosaurid crania demonstrate the progressive loss of facial pneumaticity in coelurosaurian dinosaurs
Figure 3. Craniofacial pneumaticity of Tsaagan. Skull (cast of IGM 100/1015) in (A, C) lateral and (B, D) medial views. Abbreviations: aofen, antorbital fenestra; aof, antorbital fossa; pneu fen, additional maxillary pneumatic fenestra; mf, maxillary fenestra; mx, maxilla; pmf, promaxillary fenestra; pmx, premaxilla. In (B), green is the additional maxillary pneumatic fenestra, blue is the maxillary fenestra, and yellow is the promaxillary fenestra.
Figure 9 in Dromaeosaurid crania demonstrate the progressive loss of facial pneumaticity in coelurosaurian dinosaurs
Figure 9. Ancestral state reconstruction of the presence of exterior nasal pneumatic foramina in coelurosaurs. Likelihood estimates for nodes represented by pie charts (blue = present, yellow = absent).
Figure 5 in Dromaeosaurid crania demonstrate the progressive loss of facial pneumaticity in coelurosaurian dinosaurs
Figure 5. Nasal pneumaticity in coelurosaurs. Nasals of (A) Velociraptor, (B) Deinonychus, (C) Tsaagan, (D) Gorgosaurus (cast), (E) Tyrannosaurus (cast of AMNH 5027) and (F) Tyrannosaurus (FMNH PR2081). Abbreviations: nf, neurovascular foramina; rs, rugose surface; nepf, exterior nasal pneumatic foramina. Photo of Deinonychus courtesy of the Division of Vertebrate Paleontology, Peabody Museum of Natural History.
Figure 4 in Dromaeosaurid crania demonstrate the progressive loss of facial pneumaticity in coelurosaurian dinosaurs
Figure 4. Reconstruction of the antorbital sinus in coelurosaurs. The second sentence in the figure caption should read: Skulls of (A) Velociraptor, (B) Tsaagan, (C) Tyrannosaurus, (D) Deinonychus, (E) Saurornithoides, and (F) Khaan. Antorbital sinus in blue, with location of the maxillary fenestra in black and promaxillary fenestra in yellow. Photo of Deinonychus courtesy of the Division of Vertebrate Paleontology, Peabody Museum of Natural History.
Figure 11 in Dromaeosaurid crania demonstrate the progressive loss of facial pneumaticity in coelurosaurian dinosaurs
Figure 11. Ancestral state reconstruction of the presence of the jugal foramen in coelurosaurs. Likelihood estimates for nodes represented by pie charts (blue = present, yellow = absent).
Figure 3 in Evolution and functional morphology of the frontal sinuses in Bovidae (Mammalia: Artiodactyla), and implications for the evolution of cranial pneumaticity
Figure 3. Digital reconstructions and computed tomography (CT) slices of bovid skulls, illustrating the frontal sinuses and related anatomy, in Nanger granti (A–C; YPM 11526), Cephalophus leucogaster (D, F; AMNH 52802), and Raphicerus campestris (E, G; YPM 10276). In C, note the distinct frontal sinus that invades the trabecular bone, is bounded by cortical bone on all sides, and is distinctly separated from the olfactory turbinals below. This contrasts with the condition in E, in which a distinct recess above the olfactory turbinals is pressed into the frontal bone, but does not actually invade the trabecular bone. In D, no recess exists at all, and the space beneath the frontals is entirely occupied by turbinals. The dashed lines in A, F, and G indicate the approximate positions of the coronal CT slices in C, D, and E, respectively. The boxed areas in A and B indicate the region of the skull that has been rendered partially transparent in order to visualize the anatomy of the frontal sinuses. Scale bars: 5 cm.
Figure 6 in Evolution and functional morphology of the frontal sinuses in Bovidae (Mammalia: Artiodactyla), and implications for the evolution of cranial pneumaticity
Figure 6. Digital reconstructions from computed tomography (CT) scan data of the skulls of Bubalus depressicornis (A–B; AMNH 152684), Bison bison (C–D; YPM 9023), and Budorcas taxicolor (E–F; AMNH 110476), illustrating frontal sinuses and related anatomy. Skulls are shown in lateral (B, C, E) and dorsal (A, D, F) views. The boxed areas indicate the region of the skull that has been rendered partially transparent in order to visualize the anatomy of the frontal sinuses. The horns have been truncated in C–F. Scale bars: 5 cm.
Figure 9 in Evolution and functional morphology of the frontal sinuses in Bovidae (Mammalia: Artiodactyla), and implications for the evolution of cranial pneumaticity
Figure 9. Digital reconstructions from CT scan data of the skulls of Taurotragus oryx (A–B; YPM 10471), Aepyceros melampus (C–D; YPM 9597), Oreotragus oreotragus (E–F; AMNH 27827), and Pantholops hodgsonii (G–H; AMNH 55819), illustrating frontal sinuses and related anatomy. Skulls are shown in lateral (A, C, E, G) and dorsal (B, D, F, H) views. The boxed areas indicate the region of the skull that has been rendered partially transparent in order to visualize the anatomy of the frontal sinuses. The horn sheaths have not been rendered in A and B, and they are truncated in C–H. Scale bars: 5 cm.
Figure 1 in Evolution and functional morphology of the frontal sinuses in Bovidae (Mammalia: Artiodactyla), and implications for the evolution of cranial pneumaticity
Figure 1. Phylogeny of Bovidae based on a supertree published by Fernández & Vrba (2005). Taxa with frontal sinuses are in black; taxa without sinuses are in white. States between nodes were inferred using ancestral parsimony state reconstruction. *Taxa that engage in ramming behaviour (data from Caro et al., 2003).
Figure 8 in Evolution and functional morphology of the frontal sinuses in Bovidae (Mammalia: Artiodactyla), and implications for the evolution of cranial pneumaticity
Figure 8. Digital reconstructions from computed tomography (CT) scan data of the skulls of Hippotragus niger (A–B; AMNH 83606) and Kobus ellipsyprymnus (C–D; YPM 9101), illustrating frontal sinuses and related anatomy. Skulls are shown in lateral (A, C) and dorsal (B, D) views. The boxed areas indicate the region of the skull that has been rendered partially transparent in order to visualize the anatomy of the frontal sinuses. The horn sheaths have not been rendered on A and B, and the horns were truncated on all images. Scale bars: 5 cm.
Figure 7 in Evolution and functional morphology of the frontal sinuses in Bovidae (Mammalia: Artiodactyla), and implications for the evolution of cranial pneumaticity
Figure 7. Digital reconstructions from computed tomography (CT) scan data of the skulls of Capra sibirica (A–B; AMNH 54906), Ovis canadensis (C–D; YPM 7376), Naemorhedus goral (E–F; AMNH 43033), and Oreamnos americanus (G–H; AMNH 128105), illustrating frontal sinuses and related anatomy. Skulls are shown in lateral (A, C, E, G) and dorsal (B, D, F, H) views. The boxed areas indicate the region of the skull that has been rendered partially transparent in order to visualize the anatomy of the frontal sinuses. The horn sheaths have not been rendered in A–D and G–H. Scale bars: 5 cm.
Figure 2 in Evolution and functional morphology of the frontal sinuses in Bovidae (Mammalia: Artiodactyla), and implications for the evolution of cranial pneumaticity
Figure 2. Phylogeny of Bovidae based on a composite supertree constructed as indicated in the text. Taxa with frontal sinuses are in black; taxa without sinuses are in white. States between nodes were inferred using ancestral parsimony state reconstruction. *Taxa that engage in ramming behaviour (data from Caro et al., 2003).
Figure 4 in Evolution and functional morphology of the frontal sinuses in Bovidae (Mammalia: Artiodactyla), and implications for the evolution of cranial pneumaticity
Figure 4. Digital reconstructions from computed tomography (CT) scan data of the skulls of Damaliscus lunatus (A–B; YPM 9586) and Antidorcas marsupialis (C–D; AMNH 233055), illustrating the frontal sinuses and related anatomy. Skulls are shown in lateral (A, C) and dorsal (B, D) views. The boxed areas indicate the region of the skull that has been rendered partially transparent in order to visualize the anatomy of the frontal sinuses. The horns have been truncated in C and D. Scale bars: 5 cm.
Pneumatic Tourniquet Versus no Tourniquet in Transfemoral Amputation
ClinicalTrials.gov study NCT05550623. IPD Sharing: NO. Countries: 1. Publications: 1.
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