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959 results for “GeoMetre”
Geometric Model Central Surface
* This white plaster model of a central surface has a rectangular base and a central peak. There are no curves indicated. The model was designed by L. Schleiermacher under the supervision of Ludwig Brill at the technical high school in Munich. It shows the locus of centers of principal curvature of an elliptic paraboloid. A tag on the base of the model reads: Centralfläche des Paraboloids. (/) Verl. v. L. Brill. 1. Ser. Nr. IIb. * *(метка 32)* Source: Objaverse 1.0 / Sketchfab
Geometric Model Wave Surface
* This white plaster model of the outer shell of a Fresnel wave surface for a biaxial crystal consists of two pieces that fit together. Parts of two small and two larger circles are drawn on the surface. * *(метка 9)* Source: Objaverse 1.0 / Sketchfab
FIGURE 3. A in Distinguishing between three modern Ellobius species (Rodentia, Mammalia) and identification of fossil Ellobius from Kaldar Cave (Iran) using geometric morphometric analyses of the first lower molar
FIGURE 3. A) Kaldar Cave location. B) Entrance from the south of Kaldar Cave.
Data from: A 3D geometric morphometric analysis of the bovid distal humerus, with special reference to Rusingoryx atopocranion (Pleistocene, Eastern Africa)
<p>The family Bovidae [Mammalia: Artiodactyla] is speciose and has extant representatives on every continent, forming key components of mammal communities. For these reasons, bovids are ideal candidates for studies of ecomorphology. In particular, the morphology of the bovid humerus has been identified as highly related to functional variables such as body mass and habitat. This study investigates the functional morphology of the bovid distal humerus in isolation due to its increased likelihood of preservation in the fossil record, and the resulting opportunity for better understanding the ecomorphology of extinct bovids. A landmark scheme of 30 landmarks was used to capture the 3D distal humerus morphology in 111 extant bovid specimens. We find that the distal humerus has identifiable morphologies associated with body mass, habitat preference, and tribe affiliation, and that some characteristics are shared between high body mass bovids and those living on hard, flat terrain which is likely due to the high stress on the bone in both cases. We directly apply our findings regarding extant bovids to the extinct alcelaphine bovid, <em>Rusingoryx</em> <em>atopocranion</em> from the mid to late Pleistocene (>33-45 ka) Lake Victoria region of Kenya. This species is known for some peculiar morphologies including a domed cranium with hollow nasal crests, and having small hooves for a bovid of its size. Another interesting aspect of <em>Rusingoryx</em>'s skeletal morphology which has not been addressed is an unusual protrusion on the lateral epicondyle of the distal humerus. Despite considerable individual variation in the <em>Rusingoryx</em> specimens, we find evidence to support its historical assignment to the tribe Alcelaphini, and that it likely preferred open grassland habitats, which is consistent with independent reconstructions of the paleoenvironment. We also provide the most accurate body mass estimate for <em>Rusingoryx</em> to date, based on distal humerus centroid size. Overall, we are able to conclude that the distal humerus in extant bovids is highly informative regarding body mass, habitat preference and tribe, and that this can be applied directly to a fossil taxon with promising results.</p>
Reshaping Foramen Magnum Research. Analyzing foramen magnum variation in modern humans using 2D osteometry and 3D geometric morphometrics – A master thesis summary and research review. Supplementary Materials.
<p>This supplementary materials document refers to: <em>Göldner, D., 2024. Reshaping Foramen Magnum Research. Analyzing foramen magnum variation in modern humans using 2D osteometry and 3D geometric morphometrics – A master thesis summary and research review. Mitteilungen der Berliner Gesellschaft für Anthropologie, Ethnologie und Urgeschichte 44 (2023).</em></p> <p> </p> <p> </p>
Fig. 2 in A geometric morphometric study of the wing shapes of Pieris rapae (Lepidoptera: Pieridae) from the Qinling Mountains and adjacent regions: An environmental and distance-based consideration
Fig. 2. Distribution of landmarks on P. rapae forewing and hind wing.
Fig. 2. 60 in Identification and Distribution of Wedge Clams (Donacidae: Bivalvia) in Thailand by Geometric Morphometric and Molecular Analysis.
Fig. 2. 60 Outline digitized landmarks along the inner edge of left valve. Scale bar = 5 mm.
Fig. 1 in A Different Perspective on Sex Dimorphism in the Adult Hermann's Tortoise: Geometric Morphometry.
Fig. 1. HS: Humeral suture, PS: Pectoral suture, FS: Femoral suture.
Fig. 7. Reconstructed denticles shapes using a in Geometric morphometric on a new species of Trichodinidae. A tool to discriminate trichodinid species combined with traditional morphology and molecular analysis
Fig. 7. Reconstructed denticles shapes using a range of 20 harmonic.
Fig. 6 in Geometric morphometric on a new species of Trichodinidae. A tool to discriminate trichodinid species combined with traditional morphology and molecular analysis
Fig. 6. Fourier harmonic power spectrum based on Elliptical Fourier analysis.
Raw coordinates of 3D landmarks related to the article 'A new zooarchaeological application for geometric morphometric methods: Distinguishing Ovis aries morphotypes to address connectivity and mobility of prehistoric Central Asian pastoralists' by Haruda et al.
<p>Raw coordinates from 3D landmarks of <em>Ovis aries </em>astragali. These bones originate from Final Bronze Age archaeological contexts from central and southeastern Kazakhstan. These relate to the article 'A new zooarchaeological application for geometric morphometric methods: Distinguishing <em>Ovis aries</em> morphotypes to address connectivity and mobility of prehistoric Central Asian pastoralists' by Haruda et al. </p>
Geometric focusing of supercurrent in hourglass-shaped ballistic Josephson junctions
<p>Dataset and code for publication "Geometric focusing of supercurrent in hourglass-shaped ballistic Josephson junctions"</p>
Supplementary materials for the paper "Computing with liquid crystal fingers: Models of geometric and logical computation." Physical Review E 84.6 (2011): 061702.
<p>When a voltage is applied across a thin layer of cholesteric liquid crystal, fingers of cholesteric alignment can form and propagate in the layer. In computer simulation, based on experimental laboratory results, we demonstrate that these cholesteric fingers can solve selected problems of computational geometry, logic, and arithmetics. We show that branching fingers approximate a planar Voronoi diagram, and nonbranching fingers produce a convex subdivision of concave polygons. We also provide a detailed blueprint and simulation of a one-bit half-adder functioning on the principles of collision-based computing, where the implementation is via collision of liquid crystal fingers with obstacles and other fingers.</p>
Geometric means of the interventions for the datasets of ecoinvent
<p>ecoinvent version 3.5</p> <p>see the corresponding article:</p> <p>Consistent normalization approach for Life Cycle Assessment based on inventory databases</p> <p><a href="https://doi.org/10.1016/j.scitotenv.2019.134583">https://doi.org/10.1016/j.scitotenv.2019.134583</a></p>
Geometric-Phase Microscopy for Quantitative Phase Imaging of Isotropic, Birefringent and SpaceVariant Polarization Samples_experimental dataset
<p>This dataset shares the data presented in the paper "Geometric-Phase Microscopy for Quantitative Phase Imaging of Isotropic, Birefringent and SpaceVariant Polarization Samples" available in open access under http://doi.org/10.1038/s41598-019-40441-9. </p>
Figure 5 in Chondrocranial differences in Bufotes variabilis (Anura: Bufonidae): geometric morphometric comparison with two anuran species
Figure 5. DFA results in B. variabilis.
Fig. 6 in Fractal analysis of ostracod shell variability: A comparison with geometric and classic morphometrics
Fig. 6. Location of landmarks chose on Krithe valve for shape analysis.
Determination of the geometric parameters of the defects based on the tomographically obtained data and their influence on the fatigue behavior of the S960 with laser cladded protective layers
<p>Original Figure 3: Geometric dimensions of the single-track deposition region of Aluminium-Bronze/S960</p>
Geometric and mechanical guidance: role of stigmatic epidermis in early pollen tube pathfinding in Arabidopsis
<div> <p>Geometry and cell wall mechanics guide early pollen tube growth in <em>Arabidopsis thaliana</em></p> </div> <div><span><span><span>Lucie</span> <span>Riglet</span></span>, <span><span>Catherine</span> <span>Quilliet</span></span>, C<span><span>hristophe</span> <span>Godin</span></span>, <span><span>Karin</span> <span>John</span></span>, I<span><span>sabelle</span> <span>Fobis-Loisy</span></span></span></div> <div> </div> <div><span><span>preprint available under</span></span></div> <div><span><span>doi:</span> https://doi.org/10.1101/2024.02.05.578915</span></div> <p>---</p> <p>contained are the source codes and scripts to reproduce the results shown in Figs. 3,4 and Supplementary Figures S2, S3</p> <p>(the results of Fig. S3 D,E is not contained in the preprint)</p> <p>---</p> <p>Numerical code and script files to reproduce pollen tube trajectories on papilla surfaces</p> <p>tested on:</p> <p>*) macOS Catalina 10.15.6 </p> <p><span>*) Apple clang version 11.0.3 (clang-1103.0.32.62)</span></p> <p><span>Target: x86_64-apple-darwin19.6.0</span></p> <p><span>*) R 4.0.0 GUI 1.71 Catalina build (7827)</span></p> <p>---</p> <p></p>
Figure 1. Landmarks and curves selection. A. Fore wing. B. Hind wing. C in Geometric morphometric analysis of Eysarcoris guttiger, E. annamita and E. ventralis (Hemiptera: Pentatomidae)
Figure 1. Landmarks and curves selection. A. Fore wing. B. Hind wing. C. Pygophore.
ScienceDex guides
Understand access before you commit
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.