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550 results for “copper”
Nant Yr Eira Bronze Age Copper Mine, Powys
Nant Yr Eira is a remote lead and copper mine high on the slopes of Plynlimon in west Montgomeryshire. The earliest working here is the deep open-cut (95 metres long by 6 metres wide and 7 metres deep) on the upper section of the stream which mined a vein of copper ore. Trench excavations across the old spoil tips lining the open-cut revealed broken hammer stones, charcoal and antler pick fragments indicating mining in the Bronze Age between 2000 and 1500 BC. Lower down the hillside can be seen the remains of the Snowbrook Lead Mine (1858 - 87) with a single ore bin and sorting platform and a stone tramway embankment leading to the head of the prominent wheel pit of the crusher house. Below the crusher house there is a formerly roofed over platform and down by the stream there are buddle and jigger processing tips with remains of the jigger platforms and circular buddles. On the slope above the crusher house are grass covered tips leading from the main shaft and a possible barrack and office building. Source: Objaverse 1.0 / Sketchfab
Kuparikolikko, copper coin RKHY1862-26:29
Keisari Hadrianuksen aikainen tetradrakma, kuparisekoite. Etupuolella laakerinlehvin seppelöity Hadrianuksen pää ja teksti " AVT KAI C TPAIAN AΔPIANOC CEB". Kääntöpuolella Niilin ruumiillistuma Nilus temppelissä, käsissään kaisla ja runsaudensarvi. Egypti, 134/135 jaa. Tetradrachm from the reign of emperor Hadrianus, copper alloy. Obverse side: laureate head of Hadrianus, looking to the left, and the inscription "AVT KAI C TPAIAN AΔPIANOC CEB". Reverse side: Nilus, God of the river Nile, in a temple holding reed and cornucopia. Egypt, 134/135 CE. 3D-digitoitu osana Kotona kulttuurissa -tutkimushanketta 2020-2021, käyttäen digitaalista fotogrammetriaa. 3D-digitointia on yksinkertaistettu huomattavasti katselukokemuksen sujuvoittamiseksi. 3D digitized as part of the Making Home Abroad research project 2020-2021, using digital photogrammetry. The 3D digitization is strongly simplified to ensure a smooth online visualization. 3D-digitoinnin hanketunnus / project ID: RKHY1862-26_C Source: Objaverse 1.0 / Sketchfab
RK17 A00032 Copper tube (Neck)
RK17 A00032 is a section of copper tube found during the archaeological excavation of the Rooswijk in 2017. In 2017 and 2018, the shipwreck of the Rooswijk, a 300 year old Dutch East India Company (VOC) ship which sank on the treacherous Goodwin Sands in January 1740 off the coast of England, was excavated by an international team of maritime archaeologists. Post-excavation work began straight after each excavation campaign, focusing on ex-situ research, the conservation and analysis of the artefacts and will continue until the end of the project. The #Rooswijk1740 project is funded and led by the Cultural Heritage Agency of the Netherlands (Ministry of Education, Science and Culture), in collaboration with project partner Historic England and UK-contractor MSDS Marine. Follow #Rooswijk1740 on social media and https://english.cultureelerfgoed.nl/topics/maritime-heritage/shipwrecks/rooswijk1740 Source: Objaverse 1.0 / Sketchfab
Copper pickaxe
ID no.: KK-8/1 Archaeological Museum in Kraków https://muzea.malopolska.pl/en/objects-list/2144 Digitalisation: RDW MIC, Virtual Małopolska project Source: Objaverse 1.0 / Sketchfab
Naquada Culture Copper Harpoon
A double barbed harpoon is one of the hallmarks of the Naqada culture. Such items are known from both - Upper and Lower Egypt. Copper harpoons were probably not only a nilothic game tools but also a weapon and social status marker. Such items are frequently found in the graves dated to Naqada III culture. Presented model is based on the published harpoons from various sites depicting features characteristic for items dated to Naqada IIIC2 such as more geometric form and straight lines of the cutting edges. 3D model was made as a part of the project financed under the National Science Center of Poland grant UMO-2014/15/N/HS3/01144 "The comparative analyses of Early Bronze Age Egyptian and Southern Levantine copper tools including the influences from the Arabian Peninsula and Mesopotamia region". Source: Objaverse 1.0 / Sketchfab
Parys Mountain Copper Mines
LiDAR derived view of the Parys Copper Mines on Parys Mountain, Anglesey. The hillside was mined initially in the Early Bronze Age period c. 3500 BC. Copper ingots and evidence of smelting activity from the Roman period have been found on the northern side of the hill. The main period of extraction took place from 1768 when a near surface body of copper ore was located in what came to be known as The Great Lode. Shallow surface workings developed downward into the huge opencast pits visible now including The Great Opencast and the Mona opencast. Later shafts explored much deeper veins until the mine ceased production in 1904. Anglesey Mining plc are currently considering re-starting mining operations if extraction becomes financially viable. This was the largest copper mine in Europe during the 1780's and the ore was smelted in Lancashire & South Wales. LiDAR data from Natural Resources Wales Model created with Planlauf TERRAIN Source: Objaverse 1.0 / Sketchfab
Copper Axe (71a906)
**Copper axe** Location: Town Creek site (31Mg2-3), Montgomery County, North Carolina. Period: Mississippian (AD 1150-1400). Material: native copper. Dimensions: length, 214.0 mm; width, 53.0 mm; thickness, 6.3 mm. Notes: Catalog no. 71a906. North Carolina Archaeological Collection, Research Laboratories of Archaeology, University of North Carolina at Chapel Hill. Model by Steve Davis. Source: Objaverse 1.0 / Sketchfab
Gemellion Copper Bowl
A gilded and enamelled copper bowl made in Limoges, France. Lent by the trustees of the British Museum and currently on display in the Tower of London. Date: 1250-1275 58 photos taken through glass in October 2021 with a Sony a7R III and processed in Reality Capture. Back could not be properly photographed so has been repainted. Source: Objaverse 1.0 / Sketchfab
Copper-and-Wood Ear Disc (71a982)
**Copper-and-wood ear disc (with modern wood mount on back)** Location: Town Creek site (31Mg2-3), Montgomery County, North Carolina. Period: Mississippian (AD 1150-1400). Material: copper and wood. Dimensions: length, 55.1 mm; width, 53.8 mm; thickness (with mount), 5.6 mm. Notes: Catalog no. 71a982, North Carolina Archaeological Collection, Research Laboratories of Archaeology, University of North Carolina at Chapel Hill. Model by Abigail Gancz. Source: Objaverse 1.0 / Sketchfab
Nucleotide sequence database of Copper-containing membrane monooxygenases genes for analysing primer pairs targeting the ammonia monooxygenase subunit A gene of complete ammonia oxidising Nitrospira
<p>Nucleotide sequences of 487 Cu-mmo genes, including amoA comammox clade A and clade B, amoA ammonia oxidizing bacteria as well as other Cu-mmo genes.</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>
Copper-plate charter of Maharaja Rudradasa of the Valkha dynasty. Bhopal, State Museum
<p>Copper-plate charter of Maharāja Rudradasa of the Valkhā dynasty. Bhopal, State Museum</p>
Copper Ore grade (%) and Contained Copper (MT) from Mudd 2013
<p>Data extracted from Fig. 3 of the paper Mudd, Gavin & Weng, Zhehan & Jowitt, Simon. (2013). A Detailed Assessment of Global Cu Resource Trends and Endowments. Economic Geology. 108. 1163-1183. 10.2113/econgeo.108.5.1163. </p> <p>Note that I only get 718 datapoints, instead of the 730 reported in the paper, yet the mass of copper sums to a very close total (1779.6 MT in my case, 1780.9 in the article).</p>
Porphyry copper formation driven by water-fluxed crustal anatexis during flat-slab subduction
<p><span>Supplemtary Data used in the study entitled 'Lamont et al. (2024) Porphyry copper formation driven by water-fluxed crustal anatexis during flat-slab subduction, Nature Geoscience'.</span></p> <p><span>A compilation of geochronology (U–Pb and Ar-Ar and K-Ar) for intrusive and extrusive igneous rocks, mineralization and porphyry copper deposits, and timing of shortening and extension is provided in Supplementary Table S1. Whole rock geochemical data from igneous rocks in Arizona is provided in Supplementary Table 2. A compilation of Nd, Pb and Hf in zircon isotopes, and two-stage model ages from the SW USA and NW Mexico is provided in Supplementary Table S3. Electron-probe microanalysis data for samples TLAZ22-08 and TLAZ22-167 are in Supplementary Table S4. Thermobarometry Results are provided in Supplementary Table S5. In-situ Rb-Sr Geochronology Results are provided in Table S6, whereas U–Th–Pb Monazite Geochronology Results are provided in Supplementary Table S7. <span> </span></span></p>
Supplementary Table S1. Combined analysis of variance containing the degrees of freedom (DF), mean squares (MS), P value (P val.), mean, coefficient of experimental variation (CEV%) and selective accuracy (SA) for the traits of luminosity (L*), chromaticity a* (a*), chromaticity b* (b*), grain length (length, mm), grain width (width, mm), grain thickness (thickness, mm), mass of 100 grains (Mass, g), normal grains (Ng, %), water absorption (absorption, %), cooking time (Ct, min:s), and concentrations of potassium (K, g kg-1 dry matter - DM), phosphorus (P, g kg-1 DM), calcium (Ca, g kg-1 DM), magnesium (Mg, g kg-1 DM), iron (Fe, mg kg-1 DM), zinc (Zn, mg kg-1 DM), and copper (Cu, mg kg-1 DM) obtained in 25 common bean cultivars evaluated in four experiments carried out from 2019 to 2021
<p><strong><span>Table S1.</span></strong><span> Combined analysis of variance.</span></p> <p><strong><span>Indirect selection for multiple technological and nutritional traits in common bean cultivars under different degrees of multicollinearity</span></strong></p> <p><strong><span>Bragantia, 2024.</span></strong></p>
Copper and sand tiger shark distribution in the Southwest Atlantic
<p>This repository contains all neccesary data files to reproduce analyses in De Wysiecki et al. (Submitted).</p> <p>De Wysiecki AM, Barnett A, Cortés F, Sanchez-Carnero N, Milessi AC, Trobbiani GA & Jaureguizar AJ. Submitted. Utilizing global presence data to indirectly estimate the potential distribution of apex predators in a data-scarce region: a case study of copper and sand tiger sharks in the Southwest Atlantic.</p> <p>Analyses cannot be fully reproduced from scratch because a fraction of occurrences have confidentiality agreements in place and could not be released. However, models can be reproduced from the calibration step onward using this calibration data.</p> <p>Please contact me at <a href="mailto:agustindewy@gmail.com">agustindewy@gmail.com</a> if you have any questions.</p>
Characterization of photodiodes for detection of variations in part-to-part gap and weld penetration depth during remote laser welding of copper-to-steel battery tab connectors
<p>In this folder, .csv files and Matlab scripts for processing data from experimental campaign that has been reported in the following paper:<br> Chianese, G., Franciosa, P., Nolte, J., Ceglarek, D., and Patalano, S., “Characterization of photodiodes for detection of variations in part-to-part gap and weld penetration depth during remote laser welding of copper-to-steel battery tab connectors.” Journal of Manufacturing Science and Engineering. In-press.</p> <p>As the experimental campaign is made up of two phases, files are divided in two folders:<br> (i) Phase I - Weld penetration depth; and,<br> (ii) Phase II - Part-to-part gap.</p> <p>In each of these two folders, there are:<br> (i) a Matlab live script that, once the code is run, allows the user to select the signals (please, select all of them);<br> (ii) functions to run the code;<br> (iii) Matlab variable files;<br> (iii) a folder with .csv files that contain signals recorded during experimental campaign;<br> (iv) an Excel file reporting experimental setup and process parameters;<br> (v) a PDF file with the live script and results of the data processing for the readers that cannot run Matlab codes.</p>
ODYM-RECC Copper dataset, used for sector-level estimates for global future copper demand and the potential for resource efficiency
<p>Complete Model database with 105 parameter files used in the ODYM-RECC Copper model (github: https://github.com/SteffiKlose/ODYM-RECC-Copper.git) used for Sector-level estimates for global future copper demand and the potential for resource efficiency (<a href="https://doi.org/10.1016/j.resconrec.2023.106941">https://doi.org/10.1016/j.resconrec.2023.106941</a>)</p> <p>This dataset is based on the Database of the ODYM-RECC v2.4 model, used for the GLOBAL case study on material efficiency and climate change mitigation (https://doi.org/10.5281/zenodo.4671644)</p>
Data for: Copper ions inhibit pentose phosphate pathway function in Staphylococcus aureus
<p>To gain a better insight of how Cu ions toxify cells, metabolomic analyses were performed in <em>S. aureus</em> strains that lack the described Cu ion detoxification systems (ΔcopBL <em>ΔcopAZ</em>; <em>cop<sup>-</sup></em>). Exposure of the <em>cop<sup>-</sup></em> strain to Cu(II) resulted in an increase in the concentrations of metabolites utilized to synthesize phosphoribosyl diphosphate (PRPP). PRPP is created using the enzyme phosphoribosylpyrophosphate synthetase (Prs) which catalyzes the interconversion of ATP and ribose 5-phosphate to PRPP and AMP. Supplementing growth medium with metabolites requiring PRPP for synthesis improved growth in the presence of Cu(II). A suppressor screen revealed that a strain with a lesion in the gene coding adenine phosphoribosyltransferase (<em>apt</em>) was more resistant to Cu. Apt catalyzes the conversion of adenine with PRPP to AMP. The <em>apt</em> mutant had an increased pool of adenine suggesting that the PRPP pool was being redirected. Over-production of <em>apt</em>, or alternate enzymes that utilize PRPP, increased sensitivity to Cu(II). Increasing or decreasing expression of <em>prs</em> resulted in decreased and increased sensitivity to growth in the presence of Cu(II), respectively. We demonstrate that Prs is inhibited by Cu ions <em>in</em> <em>vivo</em> and <em>in vitro</em> and that treatment of cells with Cu(II) results in decreased PRPP levels. Lastly, we establish that <em>S. aureus</em> that lacks the ability to remove Cu ions from the cytosol is defective in colonizing the airway in a murine model of acute pneumonia, as well as the skin. The data presented are consistent with a model wherein Cu ions inhibits pentose phosphate pathway function and are used by the immune system to prevent<em> S. aureus</em> infections.</p>
raw data for the article "Copper(I)-BOX Catalyzed Asymmetric 3-Component Reaction for the Synthesis of Trifluoromethylated Propargylic Ethers and Anilines"
<p>Raw NMR, HPLC, IR and MS data for the article "Copper(I)-BOX Catalyzed Asymmetric 3-Component Reaction for the Synthesis of Trifluoromethylated Propargylic Ethers and Anilines" published in Angewandte Chemie, DOI: </p> <p><a href="https://doi.org/10.1002/anie.202305776">https://doi.org/10.1002/anie.202305776</a> </p> <p>The number of the folders either correspond to compounds numbers in the article or the name of the folder is self-describing. All details concerning conditions and equipment for measurements can be found in the supporting information of the article.</p>
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