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1,663 results for “shells”
Shell Fuze (Type 85)
One of the more unusual objects I have modelled, a collaberative effort with Lynne McKeggie - the fuze of a shell! It is a Type 85 timer fuze, manufactured by the Bethlehem Steel Company (BSC), USA. It is given as belonging to Lot 201, with a date of manufacture of 1915. The object was found in fields close to the Tarbat Discovery Centre at Portmahomack, and donated to the museum by local landowner Douglas Gordon. Further information on the Tarbat Discovery centre can be found at https://www.tarbat-discovery.co.uk/ Source: Objaverse 1.0 / Sketchfab
Shell Adze
This is a Shell Adze from the Late Archaic Period (ca. 5700-3500 BP). It is made from Queen Conch shell and used as a wood working tool. This artifact is currerntly housed at Rollins College. (Model made by Ellie Minette) Source: Objaverse 1.0 / Sketchfab
Bistability between π-diradical open-shell and closed-shell states in indeno[1,2-a]fluorene
<p>S. Mishra, M. Vilas-Varela, L.-A. Lieske, R. Ortiz, S. Fatayer, I. Rončević, F. Albrecht, T. Frederiksen, D. Peña, and L. Gross<br><em>Bistability between π-diradical open-shell and closed-shell states in indeno[1,2-a]fluorene</em><br>Nat. Chem. (2024)</p> <p>Indenofluorenes are non-benzenoid conjugated hydrocarbons that have received great interest owing to their unusual electronic structure and potential applications in non-linear optics and photovoltaics. Here, we report the generation of unsubstituted indeno[1,2-a]fluorene, the final and yet unreported parent indenofluorene isomer, on various surfaces by cleavage of two C-H bonds in 7,12-dihydroindeno[1,2-a]fluorene through voltage pulses applied by the tip of a combined scanning tunneling microscope and atomic force microscope. On bilayer NaCl on Au(111), indeno[1,2-a]fluorene is in the neutral charge state, while it exhibits charge bistability between neutral and anionic states on the lower work function surfaces of bilayer NaCl on Ag(111) and Cu(111). In the neutral state, indeno[1,2-a]fluorene exhibits either of two ground states: an open-shell π-diradical state, predicted to be a triplet by density functional and multireference many-body perturbation theory calculations, or a closed-shell state with a para-quinodimethane moiety in the as-indacene core. Switching between open- and closed-shell states of a single molecule is observed by changing its adsorption site on NaCl.</p>
Raw Data of Biodiesel production from waste cooking oil using calcium oxide (CaO) derived from Waste Scallop Shell
<p>The data are the results of laboratory tests on CaO catalysts made from scallop shells, testing the physicochemical, thermal and performance properties of biodiesel samples synthesized from waste cooking oil.</p>
Shell Mask (2157a19-2)
**Shell mask** Location: Nununyi mound (31Sw3), Swain County, North Carolina. Period: Mississippian, probably Qualla phase (AD 1400-1700). Material: marine shell. Dimensions: length, 106.6 mm; width, 80.5 mm; thickness, 5.0 mm. Notes: Catalog no. 2157a19, specimen 1. North Carolina Archaeological Collection, Research Laboratories of Archaeology, University of North Carolina at Chapel Hill. Model by Chris LaMack. Source: Objaverse 1.0 / Sketchfab
Sea Shell (Photogrammetry)
Upon request, we scanned this sea shell for you, it is lowpoly and gameready. Have fun with it and please leave a comment and visit us on our website https://meshfinder.de/ Source: Objaverse 1.0 / Sketchfab
Grosvenor Gardens Shell Hut West
One of two small shed/huts in the small public park at Grosvenor Gardens, Victoria, London. This one is the one on the west side. Date: 1952 Designed by Jean Moreux. https://en.wikipedia.org/wiki/Grosvenor_Gardens 274 photos taken in November 2020 with a Sony a6000 and processed in Reality Capture. Source: Objaverse 1.0 / Sketchfab
Shell Mask (2158a19)
**Shell mask** Location: Peachtree site (31Ce1), Cherokee County, North Carolina. Period: Mississippian (AD 1400-1600). Material: marine shell. Dimensions: length, 180.0 mm; width, 137.6 mm; thickness, 9.0 mm. Notes: Catalog no. 2158a19, North Carolina Archaeological Collection, Research Laboratories of Archaeology, University of North Carolina at Chapel Hill. Model by Chris LaMack. Source: Objaverse 1.0 / Sketchfab
Shell Ladle
Possible Busycon Shell Ladle from the Bureau of Land Management Jupiter Inlet Lighthouse Outstanding Natural Area (JILONA) To learn more about JILONA visit; https://www.blm.gov/programs/national-conservation-lands/eastern-states/jupiter-inlet-lighthouse Model by Emma Dietrich This model was made using RealityCapture software by Capturing Reality Source: Objaverse 1.0 / Sketchfab
Tairua Pearl Shell Lure
Fishing lure made from tropical black-lipped pearl shell ([Pinctada margaritifera](https://en.wikipedia.org/wiki/Pinctada_margaritifera)). It was found in 1964 during an archaeological excavation at Tairua on the Coromandel Peninsula. The lure is highly significant because it was made in East Polynesia (in the early-mid1300s) and brought here, on a waka, with the Polynesian settlers of Aotearoa. Identifier: **AU1785** [Source record](http://www.aucklandmuseum.com/collections-research/collections/record/am_humanhistory-object-592550?k=AU1785&ordinal=0) on Auckland Museum website. #AMCollection Source: Objaverse 1.0 / Sketchfab
Shell Gorget Drawing
Pen drawing remix of [*Shell Gorget (2342a3369)*](https://sketchfab.com/3d-models/shell-gorget-2342a3369-fea0bd7ad4a54d03a6d3cbfff46256c2) by[ RLA Archaeology](https://sketchfab.com/rla-archaeology) licensed under [CC0 Attribution](https://creativecommons.org/licenses/by/4.0/) Source: Objaverse 1.0 / Sketchfab
Shell Adze Sketchfab
This is a Shell Adze from the Late Archaic Period (ca. 5700-3500 BP). It is made from Queen Conch shell and used as a wood working tool. This artifact is currerntly housed at Rollins College. (Model maade by Ellie Minette) Source: Objaverse 1.0 / Sketchfab
Shell Gorget (2350a1708)
**Conch shell gorget** Location: Town Creek site (31Mg2-3), Montgomery County, North Carolina. Period: Mississippian (AD 1150-1400). Material: marine shell. Dimensions: length, 64.9 mm; width, 54.6 mm; thickness, 33.4 mm. Notes: Catalog no. 2350a1709. North Carolina Archaeological Collection, Research Laboratories of Archaeology, University of North Carolina at Chapel Hill. Model by Abigail Gancz. Source: Objaverse 1.0 / Sketchfab
Turtle shell 3D Scan
Turtle shell 3D scan using the HDI Compact series of 3D scanner (next generation of the HDI 100 Series). Source: Objaverse 1.0 / Sketchfab
Shell Gorget (2351a535-1)
**Engraved shell gorget** Location: Fredricks site (31Or231), Orange County, North Carolina. Period: Historic (AD 1700). Material: marine shell. Dimensions: length, 66.2 mm; width, 63.6 mm; thickness, 2.3 mm. Notes: Catalog no. 2351a535-1, North Carolina Archaeological Collection, Research Laboratories of Archaeology, University of North Carolina at Chapel Hill. Model by Steve Davis. Source: Objaverse 1.0 / Sketchfab
Shell Snuffbox
Material: Shell and Silver. Accession no: DG 015. Current location: [The Hunt Museum](https://www.huntmuseum.com/), [Limerick](https://www.geonames.org/7778675/limerick-city.html). A [snuff-box](http://vocab.getty.edu/page/aat/300196983) made from a shell with silver mounts. [18th Century](http://n2t.net/ark:/99152/p06c6g32vpj). [More](https://www.huntmuseum.com/explore/item/307024b1-f064-3964-9aae-d3d28d29ad49/?s%3DDG+015&pos=1). Source: Objaverse 1.0 / Sketchfab
Sea Scallop Shell
**DATA ACQUISITION** **Object Description:** approximate dimensions .5"x1.75"x1.75" **Equipment:** Canon EOS 5D Mark IV; EF24-70mm f/4L IS USM; Kodak Lightbox (*used outdoors under natural lighting conditions); Turntable; Tripod **Software:** Agisoft Photoscan (*in conjunction with Indiana University High-Performance Computing Cluster (Carbonate) https://kb.iu.edu/d/aquv ); Adobe CC 2018 **Camera Settings:** ISO (100); Aperture (f/11); Shutter Speed (varies); Focal Length (50mm) **File Type:** .CR2 (Source); .JPG (Processing) **Image Count:** 228 <br> **DENSE CLOUD RECONSTRUCTION PARAMETERS** **Quality:** High **Depth Filtering:** Mild **Points:** 1,475,853 <br> **MODEL RECONSTRUCTION PARAMETERS** **Quality:** High **Depth Filtering:** Mild **Face Count (Photoscan Processing Results):** 295,170 **Face Count (Decimation For Web):** 200,000 **3D Printable:** Yes <br> **TEXTURE PARAMETERS** **Count:** 1 **Size:** 8,192 x 8,192 **Delighting:** Yes Source: Objaverse 1.0 / Sketchfab
Cowrie Shell
This small shell was one of a handful recovered in 2015 during an archaeological dig at the Old City Hall in Boston. Cowrie shells are specific to the Indo-Pacific ocean and were historically used as currency in regions of West Africa. Archaeologists often interpret these shells as a sign of African American presence and worldview when found in North America. From 1708 to 1734 the property held the schoolmaster's house for Boston Latin School and was occupied by Nathaniel Williams and his family, along with their two enslaved Africans named Richard and Hagar. While there are many possible interpretations for the shells, it is possible that they belonged to Richard or Hagar, and serve as evidence of West African culture in early Boston.Scanned by Brian Schools. Source: Objaverse 1.0 / Sketchfab
Shell Disk Bead (1940a121-2)
**Columella shell disk bead** Location: Cane Creek site (31Ml3), Mitchell County, North Carolina. Period: late Middle Woodland (AD 700-1100). Material: marine shell. Dimensions: length, 20.0 mm; width, 21.0 mm; thickness, 8.2 mm. Notes: Catalog no. 1940a121, specimen 2. North Carolina Archaeological Collection, Research Laboratories of Archaeology, University of North Carolina at Chapel Hill. Model by Abigail Gancz. Source: Objaverse 1.0 / Sketchfab
Shell Gorget (80a1035-2)
**Shell gorget** Location: Wall site (31Or11), Orange County, North Carolina. Period: Late Woodland, Hillsboro phase (AD 1500-1600). Material: marine shell. Dimensions: length, 32.4 mm; width, 30.2 mm; thickness, 3.0 mm. Notes: Catalog no. 80a1035, specimen 2. North Carolina Archaeological Collection, Research Laboratories of Archaeology, University of North Carolina at Chapel Hill. Model by Abigail Gancz. Source: Objaverse 1.0 / Sketchfab
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.