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178 results for “Spiral”
Observational Signatures of Tightly Wound Spirals Driven by Buoyancy Resonances in Protoplanetary Disks
<p>These are simulated CO data cubes presented in "Observational Signatures of Tightly Wound Spirals Driven by Buoyancy Resonances in Protoplanetary Disks" by Bae, Teague and Zhu. They represent simulated 12CO and 13CO ALMA observations using the standard model (see Section 3.1.1 of the paper), with three different planet masses (0.5, 1, and 2 Jupiter-mass) and five different disk inclination values (5, 15, 30, 45, and 60 degrees).</p>
The Triple Spiral (Speira) or Triskelion
The Speira (Spiral) is one of the oldest and most powerful symbols in the world and has been used since the Paleolithic period in Greece. This complex but powerful symbol is found everywhere and in many ancient civilizations around the world. But especially in Greece, it was a sign and symbol of the ubiquitous Ancient Hellenism and a symbol of the Vital Force. We find it in many Greek houses and it decorates architecturally most of the great public and private buildings and monuments. The triple spiral or triskelion or triskeles is an ancient motif consisting of 3 spiral exhibiting rotational symmetry. The spiral design can be based on interlocking Archimedean spirals, or represent three bent human legs. https://www.greecehighdefinition.com/blog/speira-spiral-oldest-greek-symbols-in-the-world-ancient-greece https://en.m.wikipedia.org/wiki/Triskelion Source: Objaverse 1.0 / Sketchfab
Day 344: spiral staircase
Captured with sitescape at Gravensteen, a medieval Castle in Gent, Belgium I'm trying to post 1 scan a day in 2021. You can follow the tag [#1scanaday](http://sketchfab.com/tags/1scanaday), or my [2021 collection here](https://sketchfab.com/alban/collections/1-scan-a-day-in-2021). You can also join at anytime, as long as you try keeping up from there. My tips on iphone lidar scanning: http://bit.ly/lidarscanning Source: Objaverse 1.0 / Sketchfab
Geometric Model Spiral Surface
* This white plaster model has a round base and a vertical spiral of eight turns. It is one of a series copied from originals at the technical high school in Munich, under the direction of Alexander Brill. The model represents the surface of a screw on which a rotational ellipsoid. * *(метка 6)* Source: Objaverse 1.0 / Sketchfab
Phase spiral animations for Hunt et al. (2021) and Hunt et al. (2024)
<p>Animations of the evolution of model M1 from Hunt et al. (2021), a generic merger of a dwarf galaxy into a high-resolution, highly stable disc galaxy. The animations are provided as mp4 (recommended), and as gifs if your media player does not support the mp4 codec.</p> <p>M1-Morphology+kinematics:</p> <ul> <li>Time evolution of Figure 4 from Hunt et al. (2021) showing the face-on (left-hand and centre columns) and edge-on (right-hand column) view of the disc coloured by number count (upper left panel and right-hand column), mean radial velocity (upper centre), mean vertical position (lower left), and mean vertical velocity (lower centre) for Model M1. The dwarf particles are only included in the right-hand column, but its position is marked with a green dot in the face-on panels.</li> </ul> <p>M1-AASpiral:</p> <ul> <li>Time evolution of Figure 7 from Hunt et al. (2021) showing the phase spirals shown across the face of Model M1 in 1 × 1 kpc bins from X, Y = −15 to 15 kpc. Note that the global vertical spiral is visible owing to the offset of the individual phase spirals from (vz, z) = (0, 0) and the vz axes have been re-scaled to compensate for the change in velocity dispersion with radius (see the text in Hunt et al. 2021).</li> </ul> <p>M1-vertical-radial:</p> <ul> <li>Time evolution comparing the z-vz spirals (left) from Figure 7 of Hunt et al. (2021) as shown in M1-AASpiral, and the R-vR phase spirals (right) of Hunt et al. (2024).</li> </ul>
Spirals inside the millimeter cavity of transition disk SR 21
<p>This is a basic reproduction package for the paper 'Shadowing and multiple rings in the protoplanetary disk of HD 139614' by Muro-Arena et al (2022). It aims to provide the most important data products to check and reproduce the main results of the paper, listing all software used and data archives containing the public data used.</p> <p>It is available at arXiv: https://ui.adsabs.harvard.edu/abs/2020A%26A...636L...4M/abstract and has been published by Astronomy and Astrophysics at https://www.aanda.org/articles/aa/full_html/2020/04/aa37656-20/aa37656-20.html</p>
FIGURE 5 in Application of shell spiral deviation methodology to fossil brachiopods: Implications for obtaining specimen ontogenetic ages
FIGURE 5. Spiral deviations from three specimens of the species Terebratula terebratula.
FIGURE 7 in Application of shell spiral deviation methodology to fossil brachiopods: Implications for obtaining specimen ontogenetic ages
FIGURE 7. Spiral deviations from three specimens of the species Pseudoatrypa sp.
FIGURE 6 in Application of shell spiral deviation methodology to fossil brachiopods: Implications for obtaining specimen ontogenetic ages
FIGURE 6. Spiral deviations from three specimens of the species Platystrophia ponderosa.
Fortran code to compute the spiralling North Atlantic Gyre
<p>Code to compute and plot the figures describing the North Atlantic Subtropical Gyres contribution to the AMOC. </p>
Dataset supporting publication: "Development and Validation of Analytical Solutions for Earth Basket (Spiral) Heat Exchangers"
<p>Dataset supporting publication: “Development and Validation of Analytical Solutions for Earth Basket (Spiral) Heat Exchangers” (publication available for download:<a href="https://zenodo.org/record/7274096#.Y2JpLnbMJPY">GEOFIT Zenodo</a>).</p> <p>This paper presents an analytical solution and its validation for earth basket (vertical spiral) ground heat<br> exchangers. The model, based on the well known Finite Line Source Equation, accounts for the heat exchanger pipe diameter and seasonally varying near surface temperature. For computational efficiency the standard approach of using G-functions has been implemented as well. The analytical model is validated based on laboratory experiments and extensive CFD analysis.</p>
Data from "Molecular Mapping of DR Tau's Protoplanetary Disk, Envelope, Outflow, and Large-Scale Spiral Arm"
<p>Data associated with Huang et al., 2023, "Molecular Mapping of DR Tau's Protoplanetary Disk, Envelope, Outflow, and Large-Scale Spiral Arm," ApJ, 943, 107</p> <p>The raw data can be obtained by requesting data from program W20BE (PI: J. Huang) from the NOEMA archive. </p> <p><strong>Images</strong></p> <p>images.tar: FITS files of image cubes and moment maps as shown in Figs. 2, 3, 5, 9, and 10 (see also finalimagingscript.py)</p> <p><strong>Spectra</strong></p> <p>spectra.tar: ASCII files of spectra shown in Figs. 1 and 9 (see also finalimagingscript.py) </p> <p><strong>Measurement sets (CASA format)</strong></p> <p>drtau_LINENAME_corrected.ms.tar: Measurement set for a given line, corresponding to drtau_LINENAME_selfcal-contsub.uvt in lines_contsub_uvt.tar </p> <p>drtau_ui_cont_corrected.ms.tar: Continuum measurement set corresponding to the UI baseband, generated from w20be-ui-cont-selfcal.uvt in continuum_uvt.tar </p> <p><strong>UV tables (GILDAS format)</strong></p> <p>LR_uvt.tar: Pipeline-calibrated UV tables of low-resolution data (see w20be-tables-LR.clic)</p> <p>HR_uvt.tar: Pipeline-calibrated UV tables of high-resolution data (see w20be-tables-HR.clic)</p> <p>continuum_uvt.tar: Self-calibrated, spectrally averaged continuum UV tables generated from LR_uvt.tar</p> <p>lines_contsub_uvt.tar: Self-calibrated, continuum-subtracted line UV tables generated from the UV tables in HR_uvt.tar</p> <p><strong>Scripts</strong></p> <p>w20be-tables-LR.clic: CLIC script used to output UV tables of low-resolution data from the pipeline-calibrated data (output contained in LR_uvt.tar)</p> <p>w20be-tables-HR.clic: CLIC script used to output UV tables of high-resolution data from the pipeline-calibrated data (output contained in HR_uvt.tar)</p> <p>uvfitstoms.py: Script to export uvfits files to measurement sets and to correct the metadata in the measurement sets </p> <p>finalimagingscript.py: CASA script used to generate imaging products in images.tar and spectra in spectra.tar </p> <p><strong>Other:</strong></p> <p>calib.tar: Files output by NOEMA pipeline </p> <p> </p>
Spiral Ramrod Cleaner
Iron and Brass Spiral Ramrod Cleaning tip. Fort Mose (1738-1763). To learn more visit:https://fortmose.org/ Model by Emily Jane Murray Source: Objaverse 1.0 / Sketchfab
Spiral ramrod cleaner (RealityCapture)
Iron and Brass Spiral Ramrod Cleaning tip. Fort Mose (1738-1763). To learn more visit:https://fortmose.org/ Model by Emma Dietrich This model was made with RealityCapture software by Capturing Reality Source: Objaverse 1.0 / Sketchfab
Spiral finger ring of silver, middel ages.
A spiral finger ring of silver, two rounds. Both ends ends with two animal heads. The animal heads have a clear snout with nostrils, eyes and ears, both of the outer ones have a V-shaped ornament in relief as a neck. The design of the ends is almost identical. Ring rail with two beads along the edge, in the middle a sunken field with cross (stamped?). Some crosses have small remnants of gilding in the lowest parts. Museums ID: S14130.1 Found in: Tysvær, Rogaland - Norway Found by: John M. Førre Source: Objaverse 1.0 / Sketchfab
Uterine Artery and Spiral Artery Doppler Parameters in Patients With Postmenopausal Bleeding
ClinicalTrials.gov study NCT02822885. IPD Sharing: NO. Countries: 1. Publications: 2.
Proprioceptive Neuromuscular Facilitation Combined With Spiral Muscle Chain Training for Pediatric Scoliosis
ClinicalTrials.gov study NCT07319702. IPD Sharing: NO. Countries: 1. Publications: 3.
GABAergic synapses between auditory efferent neurons and type II spiral ganglion afferent neurons in the mouse cochlea
Open the record for dataset details and reuse information.
Data from: Evaluation of the Laguerre-Gaussian mode purity produced by 3D-printed microwave spiral phase plates
Open the record for dataset details and reuse information.
Tanum 62 1 Skepp Spiral SHFA
Laserscan of one of the boats on this panel at Gerum Source: Objaverse 1.0 / Sketchfab
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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)
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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.