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182 results for “aluminum”
Data from: Correlation of Microstructure and Local Mechanical Properties Along Build Direction for Multi-layer Friction Surfacing of Aluminum Alloys
<p>This dataset contains the data for the publication " Correlation of Microstructure and Local Mechanical Properties Along Build Direction for Multi-layer Friction Surfacing of Aluminum Alloys".</p>
Differential impacts of calcium and aluminum treatments on foliar and sapwood nutrition and metabolism of sugar maple trees growing at the west edge of WS6 of the Hubbard Brook Experimental Forest from 1997-2009.
Plot levels Ca and Al additions study at WS6 BACKGROUD: To better evaluate the interaction of Ca depletion and Al mobilization on a northern hardwood forest, the Nutrient Perturbation (NuPert) study was initiated in 1995, west of the biogeochemical reference watershed (W6) at the HBEF (43.95411°N, 71.74779°W). The study area is on a south-facing slope, with an elevational range of 700–760 m, and most soils are classified as either Aquic Haplorthods or Aquic Haplumbredts (Halman et al. 22015 and references therein). Twelve sugar maple (Acer saccharum Marshall) dominated plots (45 m × 45 m) were randomly assigned to one of three treatments (Ca addition, Al addition, or control (no addition)), yielding four replicates of each treatment in the study. In addition to sugar maple, American beech (Fagus grandifolia Ehrh.) and yellow birch (Betula alleghaniensis Britt.) are co-occurring tree species in these plots, whereas hobblebush (Viburnum lantanoides Michx.) and striped maple (Acer pensylvanicum L.) dominate the understory. Treatments began in 1995 with annual CaCl2 (2.5 g·m−2) and AlCl3 (0.9 g·m−2) applications occurring each fall or spring during leafless periods. The use of CaCl2 was halted in 1999 in favor of a one-time application (38 g·m−2) of wollastonite (CaSiO3, a slow-release form of Ca). Thereafter, AlCl3 additions occurred in alternate years in fall or spring. Foliage was collected from sunlit branches in the upper to mid canopy dominant sugar maple trees. Five trees per plot of each group were selected for sampling in August 2008. There was an ice storm in 1998 at this site which might have interfered with this study findings. In 2009, tiny sapwood plugs were also collected. All the analyses were carried out using the procedures described under section A (Ca-supplementation study). SUMMARY: Acid deposition induced losses of calcium (Ca) from northeastern forests have had negative effects on forest health for decades, including the mobilization of potentiall
The nature of extraframework aluminum species and Brønsted acid site interactions under catalytic operating conditions
<p>This dataset contains example VASP and CP2K input files with VASP optimized strucure files in cif format and xyz trajectories for ab-initio molecular dynamics simulations performed on extraframework aluminum species in H-ZSM-5 unit cells.</p>
π-Conjugated Metal Free Porphyrin as Organic Cathode for Aluminum Batteries
<p>A metal-free porphyrin (TDPP) with a diphenylamino-Phenyl group is proposed as an electrode for aluminum-based batteries. The electrochemical performance is explored thoroughly. The extended porphyrin conjugated structure by the diphenylamino-phenyl groups shows a reversible capacity of 83 mAh.g-1 at 1 A. g-1 after 200 cycles and good cycling stability.</p>
CONSTRUCTION OF A PASSIVE SOLAR THERMAL AIR HEATER USING ALUMINUM CANS
<p><strong>Abstract:</strong></p> <p>The technology of solar air heating system is an emerging field in Nigeria. Due to the epileptic power supply in Nigeria, alternative energy sources are beings ought. This project involves the construction of a portable solar air heater. Theconstruction of the solar air heater was done using relevant equations to size the major components of the system. The materials for the components were then selected with consideration to the market availability and cost of the materials.</p> <p>The system was then constructed using the selected materials, and the performance was also studied. The system consists of a flat-plate collector with a single layer of glass on top, and an absorber plate made of aluminium soda cans.</p> <p>The system was tested for three days, and the highest outlet temperature recorded was 48°C. The highest irradiance recorded was 925 W/m² on the first day of testing. The highest efficiency recorded from the system was 41% on the first day of testing.</p> <p> </p> <p><strong>Keywords</strong>: Solar energy, Solar air heater, Aluminium soda cans. </p>
Differential expression analysis to aluminum toxicity in Citrus x limonia Osbeck
<p>Here we deliver the Differential gene expression on genes response to aluminum toxicity in <em>Citrus</em> x<em> limonia. </em>Root apices of ‘Mandarin’ lime plants grown for 60 days in nutrient solutions either with 1480 mM Al<sup>3+</sup> or 0 mM Al<sup>3+</sup> were analyzed by RNA-seq.</p> <p>Clean reads were mapped to the sweet orange (<em>Citrus sinensis</em>) genome (Xu et al. 2013). Gene expression levels were calculated by CPM (Counts per million) reads. We used HTSeq ver. 0.6.1 (Anders et al. 2015) CPM estimation. The differentially expressed genes (DEGs) here reported by NOIseq ver. 2.16.0 (Tarazona et al. 2016). </p> <p> </p> <p><strong>Results:</strong></p> <p><br> Number of differentially expressed (DE) features (Probability > 0.7): 3,351</p> <p>Up-regulated (M > 0): 1,664<br> Down-regulated (M < 0): 1,687</p> <p>All software were run on OmicsBox interface.</p> <p><strong>References:</strong></p> <p>Anders S., Pyl PT. and Huber W. (2015). HTSeq--a Python framework to work with high-throughput sequencing data. Bioinformatics (Oxford, England), 31(2), 166-9.</p> <p>OmicsBox - Bioinformatics made easy. BioBam Bioinformatics (Version 2.0.36). March 3, 2019. www.biobam.com/omicsbox.</p> <p>Tarazona S., Furio-Tari P., Turra D., Pietro AD., Nueda MJ., Ferrer A. and Conesa A. (2015). Data quality aware analysis of differential expression in RNA-seq with NOISeq R/Bioc package. Nucleic acids research, 43(21), e140.</p> <p>Xu Q, Chen L-L, Ruan X, et al (2013) The draft genome of sweet orange (Citrus sinensis). Nat Genet 45:59–66.</p> <p> </p> <p>Legend: </p> <p>Regulation - UP or DOWN = differentially expressed genes, UPregulated or DOWNregulated</p> <p>Citrus_40_Al_2 - Normalized CPM for root apexes under 1480 mM Al<sup>3+</sup> </p> <p>Citrus_0_Al_1 - Normalized CPM for root apexes under 0 mM Al<sup>3+</sup></p>
Thermal conductivity of aluminum at different temperatures
<p><strong>Thermal conductivity of aluminum at different temperatures</strong></p> <p>Junjie Chen</p> <p>Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China</p> <p>Contributor: Junjie Chen, ORCID: 0000-0002-5022-6863, E-mail address: koncjj@gmail.com</p> <p> </p> <p>The thermal conductivities of common substances span at least four orders of magnitude. Gases generally have low thermal conductivity, and pure metals have high thermal conductivity. For example, under standard conditions the thermal conductivity of copper is over ten thousand times that of air. Of all materials, allotropes of carbon, such as graphite and diamond, are usually credited with having the highest thermal conductivities at room temperature. The thermal conductivity of natural diamond at room temperature is several times higher than that of a highly conductive metal such as copper. The effect of temperature on thermal conductivity is different for metals and nonmetals. In metals, heat conductivity is primarily due to free electrons.</p> <p>Thermal conductivity (watts per meter-kelvin), Temperature (degrees kelvin)</p> <table> <tbody> <tr> <td> <p>4510</p> </td> <td> <p>6</p> </td> </tr> <tr> <td> <p>5150</p> </td> <td> <p>7</p> </td> </tr> <tr> <td> <p>5730</p> </td> <td> <p>8</p> </td> </tr> <tr> <td> <p>6220</p> </td> <td> <p>9</p> </td> </tr> <tr> <td> <p>6610</p> </td> <td> <p>10</p> </td> </tr> <tr> <td> <p>6900</p> </td> <td> <p>11</p> </td> </tr> <tr> <td> <p>7080</p> </td> <td> <p>12</p> </td> </tr> <tr> <td> <p>7150</p> </td> <td> <p>13</p> </td> </tr> <tr> <td> <p>7130</p> </td> <td> <p>14</p> </td> </tr> <tr> <td> <p>7020</p> </td> <td> <p>15</p> </td> </tr> <tr> <td> <p>6840</p> </td> <td> <p>16</p> </td> </tr> <tr> <td> <p>6350</p> </td> <td> <p>18</p> </td> </tr> <tr> <td> <p>5650</p> </td> <td> <p>20</p> </td> </tr> <tr> <td> <p>4000</p> </td> <td> <p>25</p> </td> </tr> <tr> <td> <p>2850</p> </td> <td> <p>30</p> </td> </tr> <tr> <td> <p>2100</p> </td> <td> <p>35</p> </td> </tr> <tr> <td> <p>1600</p> </td> <td> <p>40</p> </td> </tr> <tr> <td> <p>1250</p> </td> <td> <p>45</p> </td> </tr> <tr> <td> <p>1000</p> </td> <td> <p>50</p> </td> </tr> <tr> <td> <p>670</p> </td> <td> <p>60</p> </td> </tr> <tr> <td> <p>500</p> </td> <td> <p>70</p> </td> </tr> <tr> <td> <p>400</p> </td> <td> <p>80</p> </td> </tr> <tr> <td> <p>340</p> </td> <td> <p>90</p> </td> </tr> <tr> <td> <p>300</p> </td> <td> <p>100</p> </td> </tr> <tr> <td> <p>247</p> </td> <td> <p>150</p> </td> </tr> <tr> <td> <p>237</p> </td> <td> <p>200</p> </td> </tr> <tr> <td> <p>235</p> </td> <td> <p>250</p> </td> </tr> <tr> <td> <p>236</p> </td> <td> <p>273</p> </td> </tr> <tr> <td> <p>237</p> </td> <td> <p>300</p> </td> </tr> <tr> <td> <p>240</p> </td> <td> <p>350</p> </td> </tr> <tr> <td> <p>240</p> </td> <td> <p>400</p> </td> </tr> <tr> <td> <p>237</p> </td> <td> <p>500</p> </td> </tr> <tr> <td> <p>232</p> </td> <td> <p>600</p> </td> </tr> <tr> <td> <p>226</p> </td> <td> <p>700</p> </td> </tr> <tr> <td> <p>220</p> </td> <td> <p>800</p> </td> </tr> <tr> <td> <p>213</p> </td> <td> <p>900</p> </td> </tr> </tbody> </table>
Simultaneous Control of Aluminum Atoms and Defects in MOR Zeolite Framework by Post-Synthetic Treatments
<p><span>Input and output files used to calculate 27Al NMR chemical shifts in Quantum Espresso 6.5 for modernities with various defects and Al substitutions.</span></p>
Role of laser wobbling welding parameters in dissimilar welding of aluminum and copper alloys: general preliminary process window.
<p>This database explores a wide range of process parameters concerning laser welding of aluminum and copper 0.3 mm thick foils in lap configuration. In particular, this application involves wobbling technique as a dynamic beam shaping for enhancing the formation of a correct interface width in this kind of welding. Given different values of laser power, wobbling tangential speed and wobbling diameter, the results are expressed in terms of weld bead width at the face of the weld bead, weld bead width at the interface between the two sheets and bead penetration depth in the lower sheet. Some trials gave an excessive penetration so that the specimen was cut in two separate parts after the process. This specific type of dissimilar welding is useful for enhancing "hybrid" characteristics of components, where a trade-off between mechanical and electrical or thermal characteristics is needed.</p>
Granular Aluminum Parametric Amplifier for Low-Noise Measurements in Tesla Fields
<p>Raw and processed data as well as a jupyter notebooks for the evaluation associated with the paper "Granular Aluminum Parametric Amplifier for Low-Noise Measurements in Tesla Fields" (publicly available on arXiv: <a href="https://arxiv.org/abs/2403.10669">arXiv:2403.10669</a>) by N. Zapata et al. acquired and prepared at the Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany.</p> <p>The notebooks show how to analyze the main results of the manuscript.</p> <p>For additional information please contact: nicolas.gonzalez2@kit.edu or ioan.pop@kit.edu.</p>
Figure 2. Energy dispersive X in Morphological, optical and thermal properties of α- and γ-aluminum nanoparticles: Assessment of their biological activities against storage mites and mycotoxin producing fungi
Figure 2. Energy dispersive X-ray spectroscopy of α - and γ-Al2O3NPs.
Figure 1 in Morphological, optical and thermal properties of α- and γ-aluminum nanoparticles: Assessment of their biological activities against storage mites and mycotoxin producing fungi
Figure 1. Field emission scanning electron microscope (FESEM) of α- and γ-Al2O3NPs.
Figure 3 in Morphological, optical and thermal properties of α- and γ-aluminum nanoparticles: Assessment of their biological activities against storage mites and mycotoxin producing fungi
Figure 3. UV-Vis and direct optical band gap spectra of (A) α-Al2O3NPs and (B) γ-Al2O3NPs.
Dataset for Structure compatibility of graphite and phases formed from aluminum or magnesium phyllosilicates
<p>Dataset for contribution "Structure compatibility of graphite and phases formed from aluminum or magnesium phyllosilicates" from international conference NANOCON 2024.</p>
Ball-on-plate tribotesting of IVB element layers deposited on anodized aluminum alloys
<p>This dataset contains a summary file (this one) and two spreadsheet files with coefficients of friction of anodic coatings with or without deposited layers of IVB elements, their oxides or selected other elements. Aluminum alloys 1050 and 6082 are used as substrates with 50 μm anodic coatings and 15-75 nm or higher thickness of the deposited layers. Corundum ball of 6 mm OD is used as a counter-body at 2 cm/s velocity under 1 N and 10 N loads. In this file, methodology, charts with coefficients of friction, X-ray reflectance data and calculations are provided to quantify the deposition rates on polished surfaces.</p>
Raw data for Investment casting of periodic aluminum cellular structures using slurry-cast table salt moulds
<p>This dataset includes the raw data used to draw the conclusions of the paper entitled "Investment casting of periodic aluminum cellular structures using slurry-cast table salt moulds". </p> <p>The work presents a precision-casting process specifically designed to manufacture periodic cellular structures.</p>
Forced Oscillations On Aluminum (1)
<p>Test #188<br> Type of Experiment: Forced Oscillations</p> <p>Sample: Aluminum (#1)</p> <p>Experimental Conditions: </p> <ul> <li>Confining pressure: 10 MPa</li> <li>Pore Pressure: 0 MPa</li> <li>Seating Differential Stress: 10 MPa</li> <li>Amplitude of oscillating Stress: 1.0 MPa (Peak-to-peak)</li> <li>LVDTs: 2 high-resolution axial LVDTs and 4 radial LVDTs (1 high resolution)</li> </ul> <p>More details are in the Excel file, including the initial processing of the data before calibration and a list of experiments.</p>
Supporting datasets for "Dynamical Equilibrium between Brønsted and Lewis Sites in Zeolites: Framework-Associated Octahedral Aluminum"
<p>Tar of directory tree containing input files for VASP and CASTEP calculations of local geometries and NMR parameters (both static and dynamic) for systems described in the manuscript, including CHA and MOR in H form, various Si/Al ratios and water loadings.</p>
Aluminum Billett 3D profile
<p>The dataset is divided in two folders: calibration and case study.</p> <p>In calibration there are three folders: camera, translation and rotation. In camera there are the .btp files<br> acquired to calibrate the camera. In translation, there are the images of the center of the line. Each picture <br> corresponds to an increase of 0.1 mm. The images are named after each increment. In rotation, there are the images<br> of the laser line. Each picture corresponds to an incremental rotation of 2 degrees. The images are named after <br> each increment. </p> <p>In case study there are two folders: straight and not straight. The straight folder contains the acquired data<br> for a straight billet. The not straight folder contains the acquired data for a not straight billet. Each of these<br> folders contain three folders: profiles, rotation and translation. Profiles contain the .csv file acquired by<br> the laser profilometer. The sub folder cleaned profiles contains just the x and z coordinates of the acquisition. <br> Rotation, contains .btp images acquired with a higher exposure time: all the line is visible. <br> Translation, contains .btp images acquired with a lower exposure time: only the center of the line is visible.<br> In each folder of case study, the files are named according to the position measured by the encoder of the motorized drive. </p>
Molecular dynamics trajectory for liquid aluminum
<p>This record provides a molecular dynamics trajectory for liquid aluminum generated via <a href="https://www.lammps.org/">lammps</a> using the input files included in this record (main.in, Al99.eam.alloy). This trajectory is used in one of the examples that demonstrate the functionality of the <a href="https://dynasor.materialsmodeling.org">dynasor package</a>.</p>
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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
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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
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.