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2,214 results for “Walls”
Valeriana repens Wall. (BR0000010831991)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Valeriana repens Wall. (BR0000011000846)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Valeriana repens Wall. (BR0000010832110)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Valeriana repens Wall. (BR0000010832141)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Valeriana repens Wall. (BR0000010832943)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Cyclic test data of six unreinforced masonry walls with different boundary conditions
<p>Previous test data on unreinforced masonry walls focused on the global response of the wall. A new dataset on six wall tests, which is publically available, allows linking global to local deformations of masonry walls, which can be useful for advancing performance-based design and assessment methods for unreinforced masonry buildings. This data paper presents the<br> results of a test series on six identical unreinforced masonry walls that were constructed using hollow clay brick units and standard cement-based mortar.<br> The test units were subjected to quasi-static cycles of increasing drift demands and the tests differed with regard to the applied axial load and the moment restraint applied at the top of the walls. The walls were tested up to failure. Throughout the loading the deformations of the walls were recorded using a digital photogrammetric measurement system tracking the movement of 312 points per test unit.</p>
Dynamic testing of a four-storey building with reinforced concrete and unreinforced masonry wall: Data set
<p>This paper presents a publically available data set recorded during the shake-table test of a structure with reinforced concrete (RC) and unreinforced masonry (URM) walls. The shake-table test, performed at the TREES laboratory of EUCENTRE (Pavia, Italy), was part of a larger research initiative at EPFL (Lausanne, Switzerland) that addresses the seismic behaviour of mixed RC-URM structures. The half-scale test unit was subjected to several shakings of different intensity levels. The paper presents the geometry of the test unit, the properties of the construction materials, the instrumentation, and outlines the organization of the recorded data. Two sets of data are available: the unprocessed data and a second set of processed data where conventional and optical measurements are synchronised. This second set contains also some derived data, which allows to quickly plot key quantities such as base shear and top displacement. The aim of the paper is to provide all information required by the reader for analysing the test data and using it for validation purposes of numerical and mechanical models. The performance of the test unit is described in a companion paper.</p>
Quasi-static cyclic tests on 2 systems with one RC and one URM wall each
<p>The test units were constructed at 2/3 scale and subjected to quasi-static cyclic in-plane loading. The test units consisted each of one RC and one URM wall, which were connected by two RC beams. The test units represent the lower two storeys of a four storey reference structure. Their behaviour was recorded using conventional and optical measurement techniques.</p>
Udayagiri, Madhya Pradesh. View of passage wall showing shell inscriptions
<p>Udayagiri, Madhya Pradesh. View of passage wall (south side) showing shell inscriptions.</p>
Nicosia Cyprus. Bedesten, north wall of nave.
<p>Nicosia Cyprus. Bedesten, north wall of nave showing ruined vaulting, and pilaster with capital carved with hands in a gesture of benediction, as documented in 1973.</p>
A Single Walled Carbon Nanotube of the (6,5) Type
<p>The files show a rotating single walled carbon nanotube as a continuos gif file. The Pictures also show a commonly used Polymer (PFO-Bpy) as it adsorbes on the carbon nanotube surfaces.</p> <p>* CNT created with Avogadro's CNT building tool.</p> <p>* PFO-Bpy and Toluene created with ChemBioDraw as molecular files and imported to Avogadro</p> <p>* Export from Avogadro to xyz file</p> <p>* import to blender using [molecular blender](https://github.com/smparker/molecular-blender)</p> <p>* Gif creation using [Bligify](https://github.com/doakey3/Bligify)</p>
Bio-inspired apparatus to produce luminescent cavitation in a rigid walled chamber
<p>A mechanical device inspired by the sudden rotational motion of the pistol shrimp claw was developed. The apparatus consists of a limb with a V-shaped end, which fits into a socket forming a cylindrical compression chamber. Air bubbles of different sizes and in different positions inside the chamber were seeded to study their shape evolution in liquids when subjected to pressure pulses induced by the limb closure. Non-spherical shape dynamics, micro jets and photon emission were observed during bubble collapse. The proposed mechanism represents a low-cost technology useful in the study of cavitation near rigid boundaries of diverse geometries.</p> <p>Experimental data on limb motion and bubble dynamics were obtained by processing videos taken with a high-speed camera. Light signals were acquired with a photomultiplier and force signals were acquired using PVDF piezoelectric sensors. </p> <p>Numerical data describing limb motion were obtained by numerically solving a torque balance model, while radial dynamics curves were obtained by solving the Rayleigh-Plesset equation.</p> <p>Data files are presented in two types of extension .opj (and .opju) that can be opened and analyzed in OriginPro software and also .xlsx that can be opened and analyzed with Microsoft Excel. The name of each file corresponds to the Figure number used in the article. <br> <br> Two notebooks created in Mathematica are made available. One of them was used to simulate the dynamics of clamp closure and the other to estimate the pressure pulse generated during limb closure. The versions of these files are not the most up-to-date, <br> but they contain all the information necessary to reproduce the results presented in the article.</p>
Fig. 3 in Extended distribution patterns of the Arabian burnet moth Reissita simonyi (R , 1899) (Lepidoptera: Zygaenidae) and the Arabian wall brown Lasiommata felix (W , 1929) (Lepidoptera: Nymphalidae: Satyrinae) in Southern Arabia
Fig. 3: A typical place to find Lasiommata felix near Bani Mawhab / Bait Muzaret. The artificial walls seem to be a suitable habitat for L. felix.
Fig. 4 in Extended distribution patterns of the Arabian burnet moth Reissita simonyi (R , 1899) (Lepidoptera: Zygaenidae) and the Arabian wall brown Lasiommata felix (W , 1929) (Lepidoptera: Nymphalidae: Satyrinae) in Southern Arabia
Fig. 4: Distribution of Reissita simonyi yemenicola (along the Red Sea) and Reissita simonyi simonyi (along the Indian Ocean at both sides of the Yemeni-Omani border).
Fig. 22 in The dorsal shell wall structure of Mesozoic ammonoids
Fig. 22. Periostracal extension of the ventral shell wall (median section, growth direction to the right, centrifugal). A. Phylloceras (Euphylloceras) cf. velledae (Michelin, 1934), BSPG MAo-1770, early Albian, Cretaceous, Ambatolafia, Mahajanga Basin, NW Madagascar; a scythe-like extension of the ventral organic periostracum forms an organic radial lirae (Radtke and Keupp 2016); the dorsal inner prismatic layer of the succeeding whorl smoothes out the periostracum relief. B. Phylloceras (Euphylloceras) sp., BSPG MAo-1769, early Albian, Cretaceous, Ambatolafia, Mahajanga Basin, NW Madagascar; the same as in A. C. Phylloceras (Phylloceras) plicatum Neumayr, 1871, BSPG MAn-4509, late Oxfordian, Jurassic, Sakaraha, Morondava Basin, SW Madagascar; the ventral organic periostracum forms convex periostracal extensions; the dorsal inner prismatic layer of the succeeding whorl smoothes out the periostracum relief. D. Desmophyllites diphylloides (Forbes, 1846), BSPG MAo-1838, Campanian, Cretaceous, Teshio-Nakagawa area, Hokkaido, Japan; the same as in C. Abbreviations: dipl, dorsal inner prismatic layer; if, infilling; ipl, inner prismatic layer, ncl, nacreous layer, opl, outer prismatic layer, per, periostracum.
Fig. 18 in The dorsal shell wall structure of Mesozoic ammonoids
Fig. 18. Construction of the complete dorsal shell wall (transversal section, centrifugal). Hoploscaphites nicoletii (Morton, 1842), AMNH-FI-99143, Maastrichtian, Cretaceous, Fox Hills Formation (Loc. 3272), S Dakota, USA. A–C. Prior to the detachment of the living chamber, the dorsal shell wall is already complete and consists of a wrinkle layer, a dorsal outer prismatic layer, a dorsal nacreous layer and a dorsal inner prismatic layer. B. Close-up of A. D. In the detached living chamber, at least a dorsal nacreous layer is formed. The dorsal outer prismatic layer and the dorsal inner prismatic layer are not preserved. Abbreviations: dipl, dorsal inner prismatic layer; dncl, dorsal nacreous layer; dopl, dorsal outer prismatic layer; if, infilling; ipl, inner prismatic layer; ncl, nacreous layer; wl, wrinkle layer.
Fig. 17 in The dorsal shell wall structure of Mesozoic ammonoids
Fig. 17. Construction of the complete dorsal shell wall (median section, growth direction to the left, centrifugal). A. Choffatia (Grossouvria) sp. 1, BSPG MAn-4520, late Callovian, Jurassic, Dubki near Saratov, Russia; A1, the dorsal shell wall consists of a dorsal outer prismatic layer, a dorsal nacreous layer and a dorsal inner prismatic layer; A2, close-up of A1. B. Divisosphinctes besairiei Collignon, 1960, BSPG PA-10151b, late Oxfordian, Jurassic, Sakaraha, Morondava Basin, SW Madagascar; B1, the ventral shell wall (vsw) is overgrown by an encruster (enc) which is in turn overgrown by the succeeding whorl (dsw); B2, the thin early complete dorsal shell is formed in contact with the ventral shell wall; it consists of (a wrinkle layer), a dorsal outer prismatic layer, a dorsal nacreous layer and a dorsal inner prismatic layer; B3, the dorsal outer prismatic layer; B4, the older, thick, detached dorsal shell wall consists of the same three layers as in B2; B5, close-up of B4. Abbreviations: dipl, dorsal inner prismatic layer; dncl, dorsal nacreous layer; dopl, dorsal outer prismatic layer; dsw, dorsal shell wall; enc, encruster; if, infilling; ncl, nacreous layer; opl, outer prismatic layer; s, septum; vsw, ventral shell wall; wl, wrinkle layer.
Fig. 21 in The dorsal shell wall structure of Mesozoic ammonoids
Fig. 21. Construction of the seemingly complete dorsal shell wall (transversal section, centrifugal). Quenstedtoceras henrici Douville, 1912, BSPG MAn- 4768, early Callovian, Jurassic, Dubki near Saratov, Russia. A. At the contact of two whorls the outer prismatic layer and the nacreous layer of the attaching whorl wedge out but a "new" dorsal outer prismatic layer is formed towards the spiral plane which covers the wrinkle layer; the inner prismatic layer is continuous. B. The (dorsal) nacreous layer and the (dorsal) inner prismatic layer attach to the "new" dorsal outer prismatic layer which compensates the relief of the wrinkle layer. C. The dorsal shell wall consists of a wrinkle layer, a dorsal outer prismatic layer and a dorsal inner prismatic layer. D. The wrinkle layer left imprints in the dorsal outer prismatic layer. Abbreviations: dipl, dorsal inner prismatic layer; dopl, dorsal outer prismatic layer; ipl, inner prismatic layer, ncl, nacreous layer, opl, outer prismatic layer; wl, wrinkle layer.
Fig. 16 in The dorsal shell wall structure of Mesozoic ammonoids
Fig. 16. Construction of the complete dorsal shell wall (transversal section, centrifugal). Lobolytoceras costellatum (Pavia, 2002), BSPG MAn-3059, late Oxfordian, Sakaraha, Morondava Basin, SW Madagascar. A. The dorsal shell wall consists of a dorsal outer prismatic layer, a dorsal nacreous layer and a dorsal inner prismatic layer. B. Close-up of A; the thick dorsal inner prismatic layer consists of two sub-layers. C. Close-up of A; the dorsal outer prismatic layer. Abbreviations: dipl, dorsal inner prismatic layer; dncl, dorsal nacreous layer; dopl, dorsal outer prismatic layer.
Fig. 19 in The dorsal shell wall structure of Mesozoic ammonoids
Fig. 19. Construction of the complete dorsal shell wall (A, median section, growth direction to the right, centrifugal; B, transversal section, centrifugal). A. Scaphites whitfieldi Cobban, 1951, AMNH-FI-99144, Touronian, Cretaceous, Turner Sandy Member (Loc. 3190), Wyoming, USA; A1, shortly before complete detachment of the living chamber, the dorsal nacreous layer is repeatedly reinforced by new generations of the dorsal nacreous layer (dncl A–C); A2, close-up of A1. B. Ancyloceratoidea indet., BSPG MAo-1813, Aptian, Cretaceous, Shilovka near Volga River, Russia; B1, contact of both dorsal shell portion of two succeeding shafts; the dorsal shell wall consists of a dorsal outer prismatic layer, a primary dorsal nacreous layer, a primary dorsal inner prismatic layer and a secondary dorsal nacreous layer; the secondary dorsal inner prismatic layer is not preserved; B2, close-up of B1. Abbreviations: dipl, dorsal inner prismatic layer; dipl 1/2, primary/secondary dorsal inner prismatic layer; dncl, dorsal nacreous layer; dncl 1/2, primary/secondary dorsal nacreous layer; dncl A–C, generations of the dorsal nacreous layer; if, infilling; ipl, inner prismatic layer; ncl, nacreous layer; ol, organic layer; s, septum.
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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.