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2,214 results for “Walls”
Fig. 4 in The tube wall of Cambrian anabaritids
Fig. 4. Jacutiochrea tristicha (Missarzhevsky), specimen SMNH X3416, sample K2/25. A. Tube, with positions of B, D and E (arrow) indicated. B. Close−up of A, showing fractured apertural flange. C. Close−up of B, showing boundary between inner, fibrous, and outer, more solid, fabric. D. Close−up of A, showing hole after euhedral crystal penetrating the celestite−replaced wall. Picture light−dark inverted to make crystal habit more visible. E. Close−up of lower part of tube (slightly tilted from A), showing persistent celestite cleavage pattern oblique to axis of tube. F. Close−up of E, showing hole after euhedral crystal and celestite cleavage pattern.
Fig. 10 in The tube wall of Cambrian anabaritids
Fig. 10. Reconstruction of growth laminae of Jacutiochrea tristicha and Tiksitheca cf. licis in flanged portion of the wall (cf. Fig. 7B).
Fig. 1 in The tube wall of Cambrian anabaritids
Fig. 1. Location maps and generalized stratigraphic columns showing sampling localities and levels for the described material.
Fig. 9. A, F, G in The tube wall of Cambrian anabaritids
Fig. 9. A, F, G. Anabarites tricarinatus Missarzhevsky; specimen SMNH X3412, sample K2/25. A. Phosphatic replica of the outer surface, general view; aperture towards top of figure (the arrows correspond to close−ups in Fand G). F. Casts of fibres (white arrow) perpendicular to growth lines (black arrow) from area indicated in A(aperture toward bottom of picture). G. Casts of fibres perpendicularly oriented to the longitudinal axis of the tube from the area of a replicated longitudinal keel indicated in A. B–E. Anabarites cf. signatus Mambetov; specimens SMNH X3413 (B–D), and SMNH X3414 (E) from sample 96−5/0. B. Close−up of the area at the aperture arrowed in D with phosphatized fibers (?). C. Close−up of the area with an attached outer phosphatic crust (arrowed in D) reflecting a longitudinal groove (arrowed). D. Overall view of phosphatic internal mould (arrows correspond to close−ups in B and C). E. Another internal mould without replicated fibres, but with longitudinal grooves (lower part of the figure), and a cross−section of the specimen (upper part of the figure). H–J. Anabarites modestus Bokova, specimen SMNH X3415, sample K1a/47. H. General view of phosphatic internal mould with phosphatic casts of fibres and remains of an outer phosphatic crust. I. Longitudinal phosphatic replicas at the aperture and an outer smooth phosphatic crust (lower part of the figure). J. Close−up of I showing replicated fibres arranged in a fan−like manner.
Fig. 7 in The tube wall of Cambrian anabaritids
Fig. 7. Tiksitheca cf. licis Missarzhevsky, specimen SMNH X3410, same as in Fig. 6 after inner tube has been broken longitudinally to expose internal wall structure. A. Tube wall, with positions of B–E indicated. B. Close−up of A, showing chevron pattern inside flange and curved laminae within flange (cf. Fig. 11). C–E. Close−ups of A, showing oblique and partly sinuous growth laminae in non−flanged portions of the wall.
Fig. 5 in The tube wall of Cambrian anabaritids
Fig. 5. Jacutiochrea tristicha (Missarzhevsky), specimen SMNH X3409 (same as in Figs. 2 and 3), sample K2/25. A. Close−up of area marked in Fig. 3A, showing apatite encrusting the internal surface of the tube (wall missing in figured window). B. Close−up of A, showing hexagonal apatite tablets. C. Close−up of B, showing individual tablet.
High spatiotemporal resolution free surface detection using cost-effective video equipment and computer vision techniques in nearly stationary flow along a transparent wall in the laboratory
<p>The identification of the air-water interface in free surface flows traditionally involves intrusive techniques or costly equipment. Non-intrusive alternatives, such as computer vision, are emerging as highly effective substitutes or supplements for more invasive techniques in laboratory measurements, thanks to their straightforward implementation and cost efficiency. This research specifically delves in the conjunction of various naive techniques, exploring their collective precision in detecting the air-water interface along transparent walls in laboratory. A detection technique based on the double gradient of the image is applied and thoroughly examined. The study progresses through multiple refinement stages, culminating in a method that is both cost effective and easy to implement. This methodology allows for large-scale, high resolution measurements (200 mm × 1800 frames per video at a 0.25 mm, 50 Hz resolution), offering both spatial and temporal measurements by adeptly detecting the free surface along transparent walls.</p>
Figure 1 in The common wall lizard Podarcis muralis (Reptilia: Lacertidae) shows diverse food preferences and intraspecific differences: a study case from Bulgaria
Figure 1. Percentage share of the OTUs according to: number of faecal samples of P. muralis in which the OTU was found (Fr.); number of specimens registered in the faecal samples (N); number of specimens, collected by pit-fall traps (Tr.).
Figure 3 in The common wall lizard Podarcis muralis (Reptilia: Lacertidae) shows diverse food preferences and intraspecific differences: a study case from Bulgaria
Figure 3. Percentage share of the categories of evasiveness (E1, E2, and E3) and hardness (H1, H2, and H3) according to the number of categorized prey items from the faecal samples of P. muralis (Ad. = adults; Imm. = immatures; M = males; F = females; Tot. = the entire sample).
Figure 2 in The common wall lizard Podarcis muralis (Reptilia: Lacertidae) shows diverse food preferences and intraspecific differences: a study case from Bulgaria
Figure 2. Diversity profiles of the diet of P. muralis based on the faecal samples from the study sites (Ad. = adults; Imm. = immatures; M = males; F = females).
Questionnaires answers and data processing for a mixed-presence user study with two wall-sized displays
<p>Questionnaire answers and data processing tabs that was part of a mixed-presence experiment with two wall-sized displays.<br>Was used for a study in Q4 2023. Accompanies a paper.<br>Complements the protocol for that study that can be found at https://zenodo.org/doi/10.5281/zenodo.12663837 and contains answers for the questionnaires that can be found at https://zenodo.org/doi/10.5281/zenodo.12664007</p>
FIG. 2. — Wall scenes. A in Porcupines in ancient Egypt? A prickly problem re-assessed
FIG. 2. — Wall scenes. A, Relief fragment, tomb of Pehenuka, Saqqara. Berlin Museum (ÄM 1132). Credit: Mary Hartley, drawn from a photograph by Osama Shukir Muhammed Amin FRCP (Glasg) (CC BY-SA 4.0): https://urlz.fr/romy, last consultation on 15 July 2024; B, wall scene, Amun temple of Hibis. Credit: Mary Hartley, re-drawn from Lippert 2012: fig. 1.
Linked collectors and determiners for: Emesopsis infenestra Tatarnic, Wall & Cassis, 2011 (Heteroptera: Reduviidae), genus and species new to New Zealand.
Natural history specimen data linked to collectors and determiners held within, "Emesopsis infenestra Tatarnic, Wall & Cassis, 2011 (Heteroptera: Reduviidae), genus and species new to New Zealand". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/cc2cbf14-b5b0-414a-8f7f-7648e9e1bb2f">https://bionomia.net/dataset/cc2cbf14-b5b0-414a-8f7f-7648e9e1bb2f</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/cc2cbf14-b5b0-414a-8f7f-7648e9e1bb2f">https://gbif.org/dataset/cc2cbf14-b5b0-414a-8f7f-7648e9e1bb2f</a>. Formatted as a Frictionless Data package.
Experimental data on plastered rubble stone masonry walls
<p>This repository contains data from experimental tests on plastered rubble stone masonry walls conducted at École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland. </p> <p><strong>Data visualization in RENKU</strong>: <a href="https://renkulab.io/projects/eesd.epfl/plastered-rubble-stone-masonry-walls">Click here</a></p> <p>Please cite the following related publications:</p> <blockquote> <p><br> [1] Rezaie, A., Godio, M., Beyer, K. (2020). Experimental investigation of strength, stiffness and drift capacity of rubble stone masonry walls. Construction and Building Materials, 251, 118972.</p> <p> </p> <p>[2] Rezaie, A., Achanta, R., Godio, M., Beyer, K. (2020). Comparison of crack segmentation using digital image correlation measurements and deep learning. Construction and Building Materials, 261, 120474.</p> <p> </p> <p>[3] Rezaie, A., Godio, M., & Beyer, K. (2021). Investigating the cracking of plastered stone masonry walls under shear–compression loading. Construction and Building Materials, 306, 124831.</p> <p><br> [4] Rezaie, A., Godio, M., Achanta, R., & Beyer, K. (2022). Machine-learning for damage assessment of rubble stone masonry piers based on crack patterns. <em>Automation in Construction</em>, <em>140</em>, 104313.</p> </blockquote>
Data from: Devonian agglutinated polychaete tubes: all in all it's just another grain in the wall
<p>SI dataset related to the 3D reconstructions presented in "Devonian agglutinated polychaete tubes: all in all it’s just another grain in the wal", including:</p> <ul> <li>Movie S1 - 3D model animation of <em>Annulitubus mutveii</em> (mpg format).</li> <li>X-Ray microtomography data (virtual stack) of specimen.</li> <li>The files generated during the acquisition (restore.macro) and reconstruction (.xml) steps.</li> </ul>
Shadow-wall lithography of ballistic superconductor-semiconductor quantum devices
<p>This repository contains data sets that support the conclusions and figures in the manuscript "Shadow-wall lithography of ballistic superconductor-semiconductor quantum devices".</p> <p>The Jupyter notebook "Manuscript figures.ipynb" contains all the necessary scripts to generate the figures. The measurement data is contained in the "Data" folder.</p>
Jumping the green wall: the use of PNA-DNA clamps to enhance microbiome sampling depth in wildlife microbiome research
As microbiome research moves away from model organisms to wildlife, new challenges for microbiome high throughput sequencing arise caused by the variety of wildlife diets. High levels of contamination are commonly observed emanating from the host (mitochondria) or diet (chloroplast). Such high contamination levels affect the overall sequencing depth of wildlife samples thus decreasing statistical power and leading to poor performance in downstream analysis. We developed an amplification protocol utilizing PNA-DNA clamps to maximize the use of resources and to increase the sampling depth of true microbiome sequences in samples with high levels of plastid contamination. We chose two study organisms, a bat (Leptonyteris yerbabuenae) and a bird (Mimus parvulus), both relying on heavy plant-based diets that sometimes lead to traces of plant-based faecal material producing high contamination signals from chloroplasts and mitochondria. On average, our protocol yielded a 13-fold increase in bacterial sequence amplification compared with the standard protocol (Earth Microbiome Protocol) used in wildlife research. For both focal species, we were able significantly to increase the percentage of sequences available for downstream analyses after the filtering of plastids and mitochondria. Our study presents the first results obtained by using PNA-DNA clamps to block the PCR amplification of chloroplast and mitochondrial DNA from the diet in the gut microbiome of wildlife. The method involves a cost-effective molecular technique instead of the filtering out of unwanted sequencing reads. As 33% and 26% of birds and bats, respectively, have a plant-based diet, the tool that we present here will optimize the sequencing and analysis of wild microbiomes.
Text-fig. 1. Location of Ivanovce Pliocene primate site in Slovakia within the wider area of the Carpathians-Pannonian Basin (white circle). The northern wall of the former limestone quarry at Ivanovce near Trenčín in western Slovakia. Several karst fillings provided a rich early Pliocene vertebrate assemblage. a: schematic sketch of the site showing the location of different karst fillings, b: photo of the same site during the palaeontological research in 1960s. in Allosorex Stenodus Fejfar, 1966 (Eulipotyphla, Soricidae): Re-Description Of Type Material And Re-Interpretation Of Its Fossil Record
Text-fig. 1. Location of Ivanovce Pliocene primate site in Slovakia within the wider area of the Carpathians-Pannonian Basin (white circle). The northern wall of the former limestone quarry at Ivanovce near Trenčín in western Slovakia. Several karst fillings provided a rich early Pliocene vertebrate assemblage. a: schematic sketch of the site showing the location of different karst fillings, b: photo of the same site during the palaeontological research in 1960s.
Text-fig. 2. Map of the Mikhailovka quarry. 1 – wall of the quarry, 2 – roads, 3 – position and number of sections. in Late Pleistocene (Eemian) Mollusk And Small Mammal Fauna From Mikhailovka-5 (Kursk Oblast, Central Russia)
Text-fig. 2. Map of the Mikhailovka quarry. 1 – wall of the quarry, 2 – roads, 3 – position and number of sections.
Text-fig. 50. Scanning electron microscope (SEM) and synchrotron radiation X-ray tomographic microscopy (SRXTM) images of a flower and mature carpels of Reyanthus lusitanicus gen. et sp. nov.; Torres Vedras locality, Portugal. a) Holotype; multicarpellate flower showing numerous carpels surrounded by remains of the androecium and perianth; note the bract subtending the flower (arrowhead); b, c) Longitudinal sections perpendicular to section in (f) (b, SRXTM orthoslice xz0461) and (c, SRXTM cut voltex xz0540-0580) showing receptacle, carpels and remains of the androecium and perianth; note prominent cavities formed by the oil cells, subtending bract (arrow) and bract subtending fragmentary bud (arrowhead); d, e) Apical (d) and lateral (e) views of gynoecium showing laterally flattened carpels and dorsi-ventrally flattened stamen or staminode (* in e); f) Longitudinal section (SRXTM orthoslice yz0405) of gynoecium showing conical receptacle and carpels with densely spaced oil cells; g, h) Mature carpel of Reyanthus lusitanicus gen. et sp. nov. showing slightly curved form, rounded apex and base that tapers toward the attachment to the receptacle; i) Surface of carpel showing embedded oil cells; j) Transverse section through three carpels showing attachment of developing ovules near the ventral sutures and oil cells in the wall just below the surface (SRXTM cut voltex xy0770-0845). Specimens TV299-S136716 (holotype; a–f), TV299-S136717 (g–j). Scale bars 300 Μm (a–d, f–h), 150 Μm (e, j), 30 Μm (i). in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 50. Scanning electron microscope (SEM) and synchrotron radiation X-ray tomographic microscopy (SRXTM) images of a flower and mature carpels of Reyanthus lusitanicus gen. et sp. nov.; Torres Vedras locality, Portugal. a) Holotype; multicarpellate flower showing numerous carpels surrounded by remains of the androecium and perianth; note the bract subtending the flower (arrowhead); b, c) Longitudinal sections perpendicular to section in (f) (b, SRXTM orthoslice xz0461) and (c, SRXTM cut voltex xz0540-0580) showing receptacle, carpels and remains of the androecium and perianth; note prominent cavities formed by the oil cells, subtending bract (arrow) and bract subtending fragmentary bud (arrowhead); d, e) Apical (d) and lateral (e) views of gynoecium showing laterally flattened carpels and dorsi-ventrally flattened stamen or staminode (* in e); f) Longitudinal section (SRXTM orthoslice yz0405) of gynoecium showing conical receptacle and carpels with densely spaced oil cells; g, h) Mature carpel of Reyanthus lusitanicus gen. et sp. nov. showing slightly curved form, rounded apex and base that tapers toward the attachment to the receptacle; i) Surface of carpel showing embedded oil cells; j) Transverse section through three carpels showing attachment of developing ovules near the ventral sutures and oil cells in the wall just below the surface (SRXTM cut voltex xy0770-0845). Specimens TV299-S136716 (holotype; a–f), TV299-S136717 (g–j). Scale bars 300 Μm (a–d, f–h), 150 Μm (e, j), 30 Μm (i).
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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)
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
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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
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