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689 results for “crystals”
Phase Field model of ice crystallization in sugar solutions
<p>Phase Field model of ice crystallization in sugar solutions</p>
The phase space of fat crystallization
<p>The phase space of fat crystallization</p>
Multiscale investigation of fat crystal networks
<p>Multiscale investigation of fat crystal networks</p>
FIGURE 4 in CCDC 696447: Experimental Crystal Structure Determination
FIGURE 4. Map of Brazil with indication of the number of species recorded in each state.
Composition and crystal structure of Fe, Al-bearing bridgmanite single crystals
<p>Composition and crystal structure data of Fe, Al-bearing bridgmanite single crystals</p>
Supplementary material 1 from: Crystal-Ornelas R, Hudgins EJ, Cuthbert RN, Haubrock PJ, Fantle-Lepczyk J, Angulo E, Kramer AM, Ballesteros-Mejia L, Leroy B, Leung B, López-López E, Diagne C, Courchamp F (2021) Economic costs of biological invasions within North America. In: Zenni RD, McDermott S, García-Berthou E, Essl F (Eds) The economic costs of biological invasions around the world. NeoBiota 67: 485-510. https://doi.org/10.3897/neobiota.67.58038
Supplementary file. Dataset of the costs of biological invasions in North America.
Supplementary material 2 from: Crystal-Ornelas R, Hudgins EJ, Cuthbert RN, Haubrock PJ, Fantle-Lepczyk J, Angulo E, Kramer AM, Ballesteros-Mejia L, Leroy B, Leung B, López-López E, Diagne C, Courchamp F (2021) Economic costs of biological invasions within North America. In: Zenni RD, McDermott S, García-Berthou E, Essl F (Eds) The economic costs of biological invasions around the world. NeoBiota 67: 485-510. https://doi.org/10.3897/neobiota.67.58038
Tables S1, S2 and Figures S1, S2
Data from: A 3D Analysis of Dendritic Solidification and Mosaicity in Ni-Based Single Crystal Superalloys
<p>Author: F. Scholz, M. Cevik, P. Hallensleben, P. Thome, G. Eggeler, J. Frenzel</p> <p>Affiliation: Ruhr University Bochum</p> <p>Date: 08/2021</p> <p>Material: Nickel-base superalloy ERBO/1 (more details: Parsa, A. B., et al. Advanced scale bridging microstructure analysis of single crystal Ni-base superalloys. Adv. Eng. Mater. 2015, 17 (2), 216-230, <a href="https://doi.org/10.1002/adem.201400136">https://doi.org/10.1002/adem.201400136</a>)</p> <p>Casting: Bridgman seed technique; Withdrawal rate: 180 mm/h, Thermal gradient 13.3 K/mm (more details: Hallensleben, P., et al. On the evolution of cast microstructures during processing of single crystal Ni-base superalloys using a Bridgman seed technique, Mat. Des. 2017, 128, 98–111, <a href="https://doi.org/10.1016/j.matdes.2017.05.001">https://doi.org/10.1016/j.matdes.2017.05.001</a>)</p> <p>Sample: Cross sectional slices extracted perpendicular to the growth direction of a single crystal superalloy cylinder (diameter 12mm, length 120 mm).</p> <p>Image acquisition: Optical microscope of type Axio (Carl Zeiss GmbH) equipped with a high-resolution CCD-camera of type Leica DFC320 and stepper-motor driven sample stage of type Tango Desktop (Märzhäuser)</p> <p>Image pre-processing: Preparation of wide-field image collages using the stitching procedures implemented in software package Imagic ims (<a href="https://imagic.ch/en/imagic-ims">https://imagic.ch/en/imagic-ims</a>, 07/2021)</p> <p>Image post-processing: Image registration with CorelDraw X7 (: <a href="https://www.coreldraw.com/en/">https://www.coreldraw.com/en/</a>, 07/2021) using a contour reference mask</p> <p>Quantitate analysis: Dendrite positions were extracted using the software package ImageJ (<a href="https://imagej.de.softonic.com/">https://imagej.de.softonic.com/</a>, 07/2021).</p> <p>--------------------------------------</p> <p>The five optical micrographs cross sections represent image data which were obtained by tomographic characterization of as-cast single crystal nickel-base superalloy prepared by a seeded Bridgman technique. The material has been studied in the frame of the collaborative research center SFB/TR 103. All details on the applied Bridgman technique are described in the literature (Hallensleben, P., et al., Mat. Des. 2017, 128, 98–111, <a href="https://doi.org/10.1016/j.matdes.2017.05.001">https://doi.org/10.1016/j.matdes.2017.05.001</a> and Hallensleben, P., et al., Crystals 2019, 9 (3), 149, <a href="https://doi.org/10.3390/cryst9030149">https://doi.org/10.3390/cryst9030149</a>). The tomographic image slices were prepared by successive electro discharge machining using incremental steps of 1mm. The image series represents the evolution of dendritic microstructures during the early stages of crystal growth from the back melted seed. The five wide-field micrographs were used to retrieve dendrite positions (enclosed as CSV data for each cross section) to evaluate crystal mosaicity on the basis of dendrite growth directions. All information and a detailed interpretation of tomographic are available in (Scholz, F., PhD-thesis, Ruhr University Bochum, <a href="https://doi.org/10.13154/294-8079">https://doi.org/10.13154/294-8079</a>). We hope that our image data will be useful for other types of solidification research. Please provide a notification by personal mail on the re-use of our raw data. Thank you.</p> <p>All images and dendrite position data were evaluated in the following study concerning dendrite growth behavior, low angle misorientation defects, dendrite arrangements and spacings:</p> <p>Scholz, F.; Cevik, M.; Hallensleben, P.; Thome, P.; Eggeler, G.; Frenzel, J. A 3D Analysis of Dendritic Solidification and Mosaicity in Ni-based Single Crystal Superalloys, Materials 2021, 14 (17), 4904 (https://doi.org/10.3390/ma14174904).</p>
FIGURE 4. Didymium atrichum. a. Sporocarps. b, c. Spores and lime crystals. d in Myxomycetes biodiversity in Gaziantep Province (Turkey) with four new records
FIGURE 4. Didymium atrichum. a. Sporocarps. b, c. Spores and lime crystals. d. Spore.
FIGURE 6. Craterium obovatum. a. Sporangium. b, c. Spores and lime crystals. d in Myxomycetes biodiversity in Gaziantep Province (Turkey) with four new records
FIGURE 6. Craterium obovatum. a. Sporangium. b, c. Spores and lime crystals. d. Spore.
Crystal Structure and Energetics of Arsenic(III)-oxide Intercalates with Rubidium Chloride and Their Comparison with Isostructural Intercalates of Potassium Halides. Raw diffraction data
<p>Raw diffraction data for:</p> <ul> <li>intercalate <strong>P<sub>RbCl</sub></strong> - pg152</li> <li>intercalate <strong>Y'<sub>RbCl</sub></strong> <ul> <li>measurement of a small crystal - pg149</li> <li>measurement of a large crystal - pg153</li> </ul> </li> </ul> <p>CSD 2073008-2073009.</p> <p>Crystal structures published in a Crystal Growth & Design article DOI: 10.1021/acs.cgd.1c01220</p>
Text-fig. 4. Synchrotron radiation X-ray tomographic microscopy (SRXTM) images of seeds of Canrightia foveolata sp. nov.; Catefica locality, Portugal. a–d) Volume renderings of abraded seeds in ventral (a), lateral (b, d) and apical (c) views showing the slightly protruding chalaza (arrows) and dense longitudinal grooves with shallow pits in the surface of the endotesta; e) Transverse section of seed (orthoslice xy0665) showing the irregular grooved surface of the endotesta (oi-en) and the tegmen comprised of two layers of thick-walled cells that surround the cells of the prominent endothelium (asterisk); f) Longitudinal section (orthoslice xz1195) through seed showing the thin-walled endothelium cells (asterisk) surrounded by the thicker cells of the outer tegmen and endotesta; g) Longitudinal section (orthoslice yz0727) through seed showing outlines of angular crystals evenly distributed in cells of the endotesta (oi-en); note the outer epidermis of the tegmen (ii-o) composed of thick-walled cells; h) Longitudinal section (orthoslice xz0940) of seed showing details of the chalazal region with course of the vascular bundle (vb), cells of the prominent endothelium (asterisk), crystalliferous endotesta of the outer integument (oi-en) and the distinct thick walled cells of the outer cells of the tegmen (ii-o); i) Longitudinal and tangential section (orthoslice yz0542) through the endotesta (oi-en) showing the outlines of densely spaced crystals. Specimens, Catefica 242-S175178 (a–c, e–h), Catefica 49-S175179 (d, i). Scale bars = 300 Μm (a–d), 100 Μm (e, f, h, i), 50 Μm (g). in The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms
Text-fig. 4. Synchrotron radiation X-ray tomographic microscopy (SRXTM) images of seeds of Canrightia foveolata sp. nov.; Catefica locality, Portugal. a–d) Volume renderings of abraded seeds in ventral (a), lateral (b, d) and apical (c) views showing the slightly protruding chalaza (arrows) and dense longitudinal grooves with shallow pits in the surface of the endotesta; e) Transverse section of seed (orthoslice xy0665) showing the irregular grooved surface of the endotesta (oi-en) and the tegmen comprised of two layers of thick-walled cells that surround the cells of the prominent endothelium (asterisk); f) Longitudinal section (orthoslice xz1195) through seed showing the thin-walled endothelium cells (asterisk) surrounded by the thicker cells of the outer tegmen and endotesta; g) Longitudinal section (orthoslice yz0727) through seed showing outlines of angular crystals evenly distributed in cells of the endotesta (oi-en); note the outer epidermis of the tegmen (ii-o) composed of thick-walled cells; h) Longitudinal section (orthoslice xz0940) of seed showing details of the chalazal region with course of the vascular bundle (vb), cells of the prominent endothelium (asterisk), crystalliferous endotesta of the outer integument (oi-en) and the distinct thick walled cells of the outer cells of the tegmen (ii-o); i) Longitudinal and tangential section (orthoslice yz0542) through the endotesta (oi-en) showing the outlines of densely spaced crystals. Specimens, Catefica 242-S175178 (a–c, e–h), Catefica 49-S175179 (d, i). Scale bars = 300 Μm (a–d), 100 Μm (e, f, h, i), 50 Μm (g).
Solution, Crystal and in Silico Structures of the Organometallic Vitamin B12-Derivative Acetylcobalamin and of its Novel Rhodium- Analogue Acetylrhodibalamin
<p>Cartesian coordinate files of all calculated structures discussed in the publication.</p>
Characterization of the radiation hardness of PbWO4 crystals for the POKER calorimeter
<p>For the construction of the POKER calorimeter, some PbWO4 crystals were purchased by Crytur. All the crystals were characterized in terms of radiation hardness at the Strahlenzentrum facility at Gießen (Germany). The test evaluates the damage induced by the crystals' exposure to an intense gamma source (constituted by an array of 60Co sources). Longitudinal optical transmittance was measured before and after the exposure, to quantify the damage. </p> <p>This dataset contains the data of the radiation hardness measurements performed on two sets of PbWO4 crystals: one including 20x20x220 mm^3 crystals and the other one including 20x20x200 cm^3 crystals. The files are in csv format and divided by data taking days (the legend can be found in the file Cristalli.csv). Each csv file shows two columns for each crystals: one with the wavelength and one with the correspondent Transmittance. Each crystal was measured at least twice (before and after the exposure), and the measurements are labeled with the crystal code and the label "before" or "after". Some measurements were repeated (and then the measure is labeled with a corresponding number) to evaluate the systematics. </p> <p>From this dataset it is possible to calculate a parameter, dk, which quantifies the radiation damage. It is defined as d = L^-1 * ln(Tbef/Taf), where L is the crystals length, Tbef is the transmittance before the exposure and Taf is the transmittance after the exposure).</p> <p>To calculate the parameter, some fits were performed in a small wavelength range (415-425 nm), since the wavelength of our interest is 420 nm. </p> <p>This is done trough the attached code, called "<a href="/api/files/7f4453e2-ce5c-45f0-a23c-c4181cca4eb9/dk_analysis.py?versionId=f125fc58-74b5-4fe4-871c-1f2c2bc2e05d">dk_analysis.py</a>", which is a python-based macro. </p>
Are neural network potentials trained on liquid states transferable to crystal nucleation? A test on ice nucleation in the mW water model
<p>Dataset used to train the neural network potential for reproducing mW nucleation.</p>
Calculating the Stability of Different Surfaces of GaAsxP1−x Mixed-Crystals using the Virtual Crystal Approximation
<p>Data necessary to reproduce all figures in the paper.</p>
Fig. 4. Single-crystal X in Eudesmane-type and agarospirane-type sesquiterpenes from agarwood of Aquilaria agallocha
Fig. 4. Single-crystal X-ray structure of compound 3.
Fig. 5. Single-crystal X in Eudesmane-type and agarospirane-type sesquiterpenes from agarwood of Aquilaria agallocha
Fig. 5. Single-crystal X-ray structure of compound 9.
Fig. 6. Single-crystal X in Eudesmane-type and agarospirane-type sesquiterpenes from agarwood of Aquilaria agallocha
Fig. 6. Single-crystal X-ray structures of compound 10.
Fig. 5. Single-crystal X in Bioactive diterpenoids and sesquiterpenoids with different skeletons from Salvia digitaloides Diels
Fig. 5. Single-crystal X-ray structure of compound 5.
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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
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.