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1,542 results for “Degradation”
Study on the degradation pattern of impact crater communities in Yutu-2's rovering area
<p>Here are the DEM data and DOM data created using images taken by the Yutu-2 rover along the route between the 27th and 33rd moon days.</p> <p>And the extracted impact craters contain their degradation levels.</p> <p>All impact craters are classified into 5 categories (A-AB-B-BC-C)</p>
Activating 2D MoS2 by loading 2D Cu-S nanoplatelets for improved visible light photocatalytic hydrogen evolution, drug degradation, and CO2 reduction
<p>Please see ref:</p> <p> </p> <p>Temerov, F.; Greco, R.; Celis, J.; Eslava, S.; Wang, W.; Yamamoto, T.; Cao, W. <em>Results Mater.</em> <strong>2024</strong>, 22, 100569</p>
Experimental data for "Physical and chemical properties and degradation of MAPbBr3 films on transparent substrates"
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MATLAB codes for paper: UBO-EREX: Uncertainty Bayesian-Optimized Extreme Recurrent EXpansion for Degradation Assessment of Wind Turbine Bearings
<p>These codes belong to the following paper. Please cite our work.</p> <p>Berghout T, Benbouzid M. UBO-EREX: Uncertainty Bayesian-Optimized Extreme Recurrent EXpansion for Degradation Assessment of Wind Turbine Bearings. <em>Electronics</em>. 2024; 13(12):2419. https://doi.org/10.3390/electronics13122419</p>
Degradation of Total Petroleum Hydrocarbon (TPH) from Oil Sludge with Composting as Bulking Agent and Dosage Variation of Liquid Organic Fertilizer
<p>This material has presented on 2nd International Conference on Advanced Research in Engineering and Technology in October 25, 2023.</p>
Does forest degradation affect lizard assemblage in the Arid Chaco Ecoregion? Dataset
<p>The dataset contains information about vegetation coverage and abundance of three lizard species from two sites with differents degrees of disturbance in the Arid Chaco Ecoregion. Monthly samplings were conducted from November to February during the summer of 2014-2015. Two forested areas were selected for comparison: one section that had experienced high amounts of degradation and one section that had suffered only slight degradation. Observers conducted diurnal visual encounter surveys along seven 200 m long transects in each of the two sites. A total of 14 independent systematically distributed transects were conducted, separated by 50 m parallel intervals. All the surveys were performed under similar weather conditions. We categorized the lizards by sex (male and female) and age (adults and juveniles). The microhabitat ground cover characteristics we assessed were: 1) bare ground, 2) herbs/grass, 3) litter, 4) cacti, and 5) rocks; number of shrubs and trees; and the number of vegetal species. To obtain microhabitat coverage data, pictures were taken where the animals were observed at a distance of 1.5 m above the ground. Using the photographs, we calculated the proportion of each microhabitat coverage characteristic. To calculate the number of trees and shrubs a two meter by two meter cardinally oriented X was superimposed over the exact point where the subjects were found and an observer traced the axis counting the number of trees and shrubs that crossed the line. The total number of vegetal species within each delimited area determined its richness.</p>
Supplementary material 1 from: Ávila MP, Carvalho RN, Casatti L, Simião-Ferreira J, de Morais LF, Teresa FB (2018) Metrics derived from fish assemblages as indicators of environmental degradation in Cerrado streams. Zoologia 35: 1-8. https://doi.org/10.3897/zoologia.35.e12895
Table S1. Species identity, total number of individuals and species classification according to trophic guilds and habitat use. Terins: terrestrial invertivorous; Aquins: aquatic invertivorous; Det-Per: detritivorous/periphytivorous; Pis: piscivorous; Omni: omnivorous; WC: water column; Ben: benthic; Nectb: nectobenthic; Bank: bank-dwelling species; Rheo: rheophilic. Figure S1. Species accumulation (black) and rarefaction curve (gray) based on samples. : Data type: measurement
Processed data - DegNorm: Normalization of generalized transcript degradation improves accuracy in RNA-seq analysis
<p>Processed data from DegNorm:</p> <ul> <li>"_raw.txt": raw read counts matrix;</li> <li>"_DI.txt": Degradation index score matrix;</li> <li>"_DegNorm.txt": normalized read counts matrix from DegNorm output;</li> <li>"_coverage.Rdata": list of coverage matrix for the sample;</li> <li>"_countsTIN.txt": TIN normalized counts.</li> </ul> <p> </p>
Dataset for Environmentally Degraded Polyethylene and Polypropylene
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Alteration and progressive degradation of plastic waste in a polish operational landfill analysed over 60 years
<p>The dataset is presented as an Excel file, which includes both raw and synthetic data collected, processed, or used within the investigation. It supports the tables and images published in the manuscript. The dataset also includes data intended for machine learning (ML) modeling to estimate the total degradation time.</p>
Modeling bacterial interactions uncovers the importance of outliers in the coastal lignin degrading consortium
<h3> FT-ICR-MS spectrometry data.</h3> <ul> <li>LD: LD consortium 1.zip, LD consortium 2.zip, LD consortium 3.zip;</li> <li>P: Pluralibacter gergoviae 1.zip, Pluralibacter gergoviae 2.zip, Pluralibacter gergoviae 3.zip;</li> <li>Blank: Blank 1.zip, Blank 2.zip, Blank 3.zip</li> </ul>
Diagnosis of lithium-ion batteries degradation with P2D model parameters identification: a case study on low temperature charging
<p>Dataset and code of the equilibrium model. They refer to publication <a title="Persistent link using digital object identifier" href="https://doi.org/10.1016/j.fub.2024.100006" target="_blank" rel="noreferrer noopener"><span><span>https://doi.org/10.1016/j.fub.2024.100006</span></span></a></p>
PFAS degradation under UV irradiation
<p>Negative mode LC-ESI-MS/MS analysis of PFAS containing samples acquired in non-targeted DDA mode. Screening for degradation products of PFAS upon UV irradiation.</p>
Data from: Degradation of internal organic matter is the main control on pteropod shell dissolution after death
The potential for preservation of thecosome pteropods is thought to be largely governed by the chemical stability of their delicate aragonitic shells in seawater. However, sediment trap studies have found that significant carbonate dissolution can occur above the carbonate saturation horizon. Here we present the results from experiments conducted on two cruises to the Scotia Sea to directly test whether the breakdown of the organic pteropod body influences shell dissolution. We find that, on the timescales of three to thirteen days, the oxidation of organic matter within the shells of dead pteropods is a stronger driver of shell dissolution than the saturation state of seawater. Three to four days after death, shells became milky white and nano‐SEM images reveal smoothing of internal surface features and increased shell porosity, both indicative of aragonite dissolution. These findings have implications for the interpretation of the condition of pteropod shells from sediment traps and the fossil record, as well as for understanding the processes controlling particulate carbonate export from the surface ocean.
Data from: Influence of natural and novel organic carbon sources on denitrification in forest, degraded urban, and restored streams
Organic carbon is important in regulating ecosystem function, and its source and abundance may be altered by urbanization. We investigated shifts in organic carbon quantity and quality associated with urbanization and ecosystem restoration, and its potential effects on denitrification at the riparian–stream interface. Field measurements of streamwater chemistry, organic carbon characterization, and laboratory-based denitrification experiments were completed at two forested, two restored, and two unrestored urban streams at the Baltimore Long-Term Ecological Research site, Maryland, USA. Dissolved organic carbon (DOC) and nitrate loads increased with runoff according to a power-law function that varied across sites. Stable isotopes and molar C:N ratios suggested that stream particulate organic matter (POM) was a mixture of periphyton, leaves, and grass that varied across site types. Stable-isotope signatures and lipid biomarker analyses of sediments showed that terrestrial organic carbon sources in streams varied as a result of riparian vegetation. Laboratory experiments indicated that organic carbon amendments significantly increased rates of denitrification (35.1 ± 9.4 ng N·[g dry sediment]−1·h−1; mean ± SE) more than nitrate amendments (10.4 ± 4.0 ng N·[g dry sediment]−1·h−1) across streamflow conditions and sites. Denitrification experiments with naturally occurring carbon sources showed that denitrification was significantly higher with grass clippings from home lawns (1244 ± 331 ng N·g dry sediment−1·h−1), and overall unrestored urban sites showed significantly higher denitrification rates than restored and forest sites. We found that urbanization influences organic carbon sources and quality in streams, which can have substantial downstream impacts on ecosystem services such as denitrification.
Data from: A degradation debt? large-scale shifts in community composition and loss of biomass in a tropical forest fragment after 40 years of isolation
Habitat loss and fragmentation are among the biggest threats to tropical biodiversity and associated ecosystem services. We examined forest dynamics in a mid-elevation 365-ha fragment in southern Costa Rica. The fragment was isolated in the mid-1970s and belongs to the Las Cruces Biological Station. A 2.25-ha permanent plot was established in the center of the old-growth forest (>400 m to nearest edge boundary) and all plants >5 cm DBH were censused, mapped, and identified to species in two surveys taken ~5–6 years apart (>3,000 stems/survey). Although the reserve maintains high species richness (>200 spp.), with many rare species represented by only one individual, we document a strong shift in composition with a two-fold increase in the number of soft-wooded pioneer individuals. The dominant late-successional understory tree species, Chrysochlamys glauca (Clusiaceae), and most species in the Lauraceae, declined dramatically. Turnover was high: 22.9% of stems in the first survey were lost, and 27.8% of stems in the second survey represented new recruits. Mean tree diameter decreased significantly and there was a 10% decrease in overall biomass. Such alteration has been documented previously but only in smaller fragments or within ~100 m of an edge boundary. Further penetration into this fragment was perhaps driven by a progressive invasion of disturbance-adapted species into the fragment's core over time; the loss of once-dominant late successional species could be a contributing factor. The pattern found is of particular concern given that such fragments represent a substantial portion of today's remaining tropical habitat; further studies in similar-sized fragments that have been isolated for similar prolonged periods are called for.
FIGURE 6 in Description of two new species of torrent frog, Amolops Cope (Anura: Ranidae) from a degrading forest in the northeast Indian state of Nagaland
FIGURE 6. Habitat photograph depicting the current scale of habitat destruction of the primary stream (main) ca. 30 m from the adjoining side stream and collection locality of Amolops nidorbellus sp. nov. and Amolops kohimaensis sp. nov. (inset).
FIGURE 4 in Description of two new species of torrent frog, Amolops Cope (Anura: Ranidae) from a degrading forest in the northeast Indian state of Nagaland
FIGURE 4. Holotype of Amolops kohimaensis sp. nov. (ZSI A 10972) in preservation: A. dorsal view, B. ventral view, C. lateral view of head, D. anterior dorsal view, E. anterior ventral view, F. ventral view of hand, G. ventral view of foot.
FIGURE 2 in Description of two new species of torrent frog, Amolops Cope (Anura: Ranidae) from a degrading forest in the northeast Indian state of Nagaland
FIGURE 2. Holotype of Amolops nidorbellus sp. nov. (ZSI A 10965) in preservation: A. dorsal view, B. ventral view, C. lateral view of head, D. anterior dorsal view, E. anterior ventral view, F. ventral view of hand, G. ventral view of foot.
FIGURE 1 in Description of two new species of torrent frog, Amolops Cope (Anura: Ranidae) from a degrading forest in the northeast Indian state of Nagaland
FIGURE 1. Map of northeast India showing the type locality of the new Amolops species: 1. Amolops nidorbellus sp. nov., 2. Amolops kohimaensis sp. nov.. Positioning of symbols is approximate; for exact coordinates, see text.
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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.