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1,980 results for “Oil”
Characterization of heteroatom distributions in the polar fraction of North Sea oils using high-resolution mass spectrometry
<p>Supplementary data for <a href="https://doi.org/10.1016/j.petrol.2019.106563">10.1016/j.petrol.2019.106563</a></p> <p>Mass spectra were measured on a Q Exactive HF at 240k@200 m/z resolution in nanospray-ESI direct infusion using a Advion TriVersa NanoMate source. Broadband mass spectra were generated from SIM-segments using dimspy (https://github.com/computational-metabolomics/dimspy). Peaks were annotated using Formularity v.1.0.0 (10.1021/acs.analchem.7b03318) after internal calibration using a homologous CHN series (identified from preliminary KMD/KM plots). All plots were generated using python 3.6.6 and the plotly graphing library (https://plot.ly/python/).</p> <p> </p>
Data Repository for: SOCIO-ENVIRONMENTAL IMPACTS OF OIL PALM CONTRACT FARMING SCHEMES IN THE BRAZILIAN AMAZON
<p>Contract farming is arguably a pro-poor strategy to promote rural development and minimize the social impacts of large-scale agricultural expansion. Yet, little attention has been paid to its environmental impacts, particularly in tropical landscapes. This article fills this gap by linking social and environmental analysis of oil palm contract farming in the Brazilian Amazon. The analysis presented used a mix of quantitative and qualitative methods, including household surveys, remote sensing techniques, and in-depth interviews, to assess whether the scheme managed to avoid deforestation and to contribute to livelihood improvements. The results show that the Brazilian model managed to prevent the deforestation of primary forests, but achieved limited and differentiated livelihood results. The analysis suggests that the Brazilian model is more likely to work for households with an agricultural vocation and a commercial spirit in areas with an abundant availability of degraded lands, but can hardly be a solution in frontier areas or for subsistence or more dependent households. The chapter concludes with some reflections on how contract farming schemes should be designed in order to maximize livelihood gains and minimize negative environmental impacts.</p>
Figure 2 in Comparison of dung beetle communities (Coleoptera: Scarabaeidae: Scarabaeinae) in oil palm plantations and native forest in the eastern Amazon, Brazil
Figure 2 Extrapolation and rarefaction of species richness in forest and oil palm plantation dung beetle communities. Shaded area represents 95% confidence limits. This figure is in color in the electronic version.
Figure 1 in Comparison of dung beetle communities (Coleoptera: Scarabaeidae: Scarabaeinae) in oil palm plantations and native forest in the eastern Amazon, Brazil
Figure 1 Location of the study area in the Brazilian Amazon, in the state of Pará. The right map represents the study area and the spatial distribution of 10 transects (red lines) in forest and oil palm habitats. Green and orange areas indicate primary forest and oil palm plantations, respectively (modified from Mendes-Oliveira et al., 2017). This figure is in color in the electronic version.
Figure 4 in Study of histoarchitectural changes in Anopheles stephensi larvae following exposure to Eucalyptus globulus and Aloe vera oils
Figure 4. Longitudinal section of thorax highlighting the gastric ceca of 4th instar Anopheles stephensi larvae (40×): (a) Control larva having epithelial cells (EC), vesicles (V), nucleus (N), peritrophic membrane (PM), basement-membrane (BM), muscle fibers (MF), microvilli (MV); (b) Eucalyptus globulus oil treated larva showing diversifications in various regions; (c) Aloe vera oil treated larva showing rifts in peritrophic membrane (PM).
Figure 3 in Study of histoarchitectural changes in Anopheles stephensi larvae following exposure to Eucalyptus globulus and Aloe vera oils
Figure 3. Longitudinal sections of head highlighting the region of imaginal bud of antennae (IBA) of 4th instar Anopheles stephensi larvae (40×): (a) Control larva showing intact IBA; (b) Eucalyptus globulus oil treated larva showing cracks and disorganization in IBA; (c) Aloe vera oil treated larva showing stretching and elongation in IBA.
Figure 5 in Study of histoarchitectural changes in Anopheles stephensi larvae following exposure to Eucalyptus globulus and Aloe vera oils
Figure 5. Longitudinal sections of abdomen of 4th instar Anopheles stephensi larvae (10×): (a) Control larva showing lumen (L) and muscle fibers (MF); (b) Eucalyptus globulus oil treated larva showing disintegration; (c) Aloe vera oil treated larva showing perturbation and lesions in the alimentary canal.
Figure 7 in Study of histoarchitectural changes in Anopheles stephensi larvae following exposure to Eucalyptus globulus and Aloe vera oils
Figure 7. Longitudinal sections of midgut region highlighting fat bodies of 4th instar Anopheles stephensi larvae (40×): (a) Control larva showing deposition of fat bodies (FB); (b) Eucalyptus globulus oil treated larva showing disappearance of fat bodies (FB) in various areas; (c) Aloe vera oil treated larva showing very little disruption of fat bodies (FB).
Fig. 1 in Native enemies of Strategus aloeus (Coleoptera: Scarabaeidae) in oil palm plantations in Colombia
Fig. 1. Natural enemies of Strategus aloeus. Metarhizium anisopliae infecting S. aloeus in: A. larvae, B. pupae, and C. adult of Phileurus didymus, D. searching for prey and E. preying on 3rd stage larvae of S. aloeus.
Figs 1, 2 in Two new species of oil-collecting bees of Centris (Melanocentris) from Colombia (Hymenoptera: Apidae)
Figs 1, 2. Centris (Melanocentris) germani sp. nov., holotype male:1, frontal view (scale bar 2 mm); 2, habitus, lateral view (scale bar 5 mm).
Figs 3, 4 in Two new species of oil-collecting bees of Centris (Melanocentris) from Colombia (Hymenoptera: Apidae)
Figs 3, 4. Centris (Melanocentris) marinae sp. nov., holotype male: 1, frontal view (scale bar 2 mm); 2, habitus, lateral view (scale bar 5 mm).
Fig. 5 in Two new species of oil-collecting bees of Centris (Melanocentris) from Colombia (Hymenoptera: Apidae)
Fig. 5. Distribution records of Centris (Melanocentris) germani sp. nov. and C. (Melanocentris) marinae sp. nov.
Figs 1, 2 in Nesting biology of the oil-collecting bee Epicharis (Hoplepicharis) fasciata (Hymenoptera: Apidae) in an urban area of Rio de Janeiro, RJ, Brazil
Figs 1, 2. Construction and nests of Epicharis (Hoplepicharis) fasciata Lepeletier & Serville, 1828 at the Jardim Botânico of Rio de Janeiro:1, female constructing her nest; 2, female inside her nest and another flying in the nesting area.
Figs 6, 7 in Nesting biology of the oil-collecting bee Epicharis (Hoplepicharis) fasciata (Hymenoptera: Apidae) in an urban area of Rio de Janeiro, RJ, Brazil
Figs 6, 7. Insects associated with Epicharis (Hoplepicharis) fasciata Lepeletier & Serville, 1828: 6, female of the cleptoparasitic bee Rhathymus bicolor Lepeletier & Serville, 1828 leaving a nest;7, female of Pseudomethoca sp. walking through the nesting area.
Figs 4, 5 in Nesting biology of the oil-collecting bee Epicharis (Hoplepicharis) fasciata (Hymenoptera: Apidae) in an urban area of Rio de Janeiro, RJ, Brazil
Figs 4, 5. Brood cells and larva of Epicharis (Hoplepicharis) fasciata Lepeletier & Serville, 1828: 4, lateral view (scale bar 1 cm); 5, brood cell with pre-defecating larva eating the pollen mass (scale bar 1 cm).
Fig. 3 in Nesting biology of the oil-collecting bee Epicharis (Hoplepicharis) fasciata (Hymenoptera: Apidae) in an urban area of Rio de Janeiro, RJ, Brazil
Fig. 3. Nests of Epicharis (Hoplepicharis) fasciata Lepeletier & Serville, 1828 showing the position of the brood cells.
Figure 4 in Antimicrobial activity of noni fruit essential oil on Escherichia coli O157:H7 and Salmonella Enteritidis
Figure 4. The GC chromatogram of noni EO: 1. α-pinene; 2. camphene; 3. Methyl ester; 4. 2- heptanone; 5. Caprylic acid.
Figure 1 in Antimicrobial activity of noni fruit essential oil on Escherichia coli O157:H7 and Salmonella Enteritidis
Figure 1. The effect of noni EO on E. coli O157:H7 and S. Enteritidis using the direct spreading- plate method on the MIC value of noni EO towards both pathogens.
Figure 3 in Antimicrobial activity of noni fruit essential oil on Escherichia coli O157:H7 and Salmonella Enteritidis
Figure 3. The survival of E. coli O157:H7 and S. Enteritidis as affected by noni EO in TBS after a treatment for 16 hours.
Figure 2 in Antimicrobial activity of noni fruit essential oil on Escherichia coli O157:H7 and Salmonella Enteritidis
Figure 2. The effect of noni EO on E. coli O157:H7 and S. Enteritidis using the broth dilution method in TBS to determine the MBC value of noni EO against both pathogens.
ScienceDex guides
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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.