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995 results for “Life cycle”
Performance and environmental accounting of nutrient cycling models to estimate nitrogen emissions in agriculture and their sensitivity in life cycle assessment
<p>Abstract</p> <p>Purpose</p> <p>Several models are available in the literature to estimate agricultural emissions. From life cycle assessment (LCA) perspective, there is no standardized procedure for estimating emissions of nitrogen or other nutrients. This article aims to compare four agricultural models (PEF, SALCA, Daisy and Animo) with different complexity levels and test their suitability and sensitivity in LCA.</p> <p>Methods</p> <p>Required input data, obtained outputs, and main characteristics of the models are presented. Then, the performance of the models was evaluated according to their potential feasibility to be used in estimating nitrogen emissions in LCA using an adapted version of the criteria proposed by the United Nations Framework Convention on Climate Change (UNFCCC), and other relevant studies, to judge their suitability in LCA. Finally, nitrogen emissions from a case study of irrigated maize in Spain were estimated using the selected models and were tested in a full LCA to characterize the impacts.</p> <p>Results and discussion</p> <p>According to the set of criteria, the models scored, from best to worst: Daisy (77%), SALCA (74%), Animo (72%) and PEF (70%), being Daisy the most suitable model to LCA framework. Regarding the case study, the estimated emissions agreed to literature data for the irrigated corn crop in Spain and the Mediterranean, except N<sub>2</sub>O emissions. The impact characterization showed differences of up to 56% for the most relevant impact categories when considering nitrogen emissions. Additionally, an overview of the models used to estimate nitrogen emissions in LCA studies showed that many models have been used, but not always in a suitable or justified manner.</p> <p>Conclusions</p> <p>Although mechanistic models are more laborious, mainly due to the amount of input data required, this study shows that Daisy could be a suitable model to estimate emissions when fertilizer application is relevant for the environmental study. In addition, and due to LCA urgently needing a solid methodology to estimate nitrogen emissions, mechanistic models such as Daisy could be used to estimate default values for different archetype scenarios.</p>
F in Biology and life cycle of Scopelocheirus hopei (A. Costa, 1851), a scavenging amphipod from the continental slope of the Mediterranean
F. 10. Distribution of the various female stages throughout the year.
F in Biology and life cycle of Scopelocheirus hopei (A. Costa, 1851), a scavenging amphipod from the continental slope of the Mediterranean
F. 2. Top view of the trap showing the cardan system and the steel cables for joint.
F in Biology and life cycle of Scopelocheirus hopei (A. Costa, 1851), a scavenging amphipod from the continental slope of the Mediterranean
F. 7. Growth curve of S. hopei collected in Planier Canyon: males and females.
F in Biology and life cycle of Scopelocheirus hopei (A. Costa, 1851), a scavenging amphipod from the continental slope of the Mediterranean
F. 1. Sample station: P, the Planier Canyon.
F in Biology and life cycle of Scopelocheirus hopei (A. Costa, 1851), a scavenging amphipod from the continental slope of the Mediterranean
F. 11. Development of the various male generations.
Evaluating the Environmental Efficiency of Bioplastics using Advanced Life Cycle Assessment
<p>This repository contains 3 datasets that pertain to a doctoral thesis with the above title.</p>
FIGURES 29–30 in An unknown world in the Neotropical region: a complete life cycle of a new species of Monoclona Mik, 1886 (Diptera: Mycetophilidae: Sciophilinae)
FIGURES 29–30. Monoclona carambeiensis sp. nov. male, Holotype. 29. Pupal stage; 30. Pupal exuvium.
FIGURE -. (Continued) in Phylogenetic approach for identification and life cycles of Puccinia (Pucciniaceae) species on Poaceae from northeastern China
FIGURE -. (Continued)
FIGURE -. (Continued) in Phylogenetic approach for identification and life cycles of Puccinia (Pucciniaceae) species on Poaceae from northeastern China
FIGURE -. (Continued)
FIGURE -. (Continued) in Phylogenetic approach for identification and life cycles of Puccinia (Pucciniaceae) species on Poaceae from northeastern China
FIGURE -. (Continued)
Supplementary data for Life-cycle assessment shows that retrofitting coal-fired power plants with fuel cells will substantially reduce greenhouse gas emissions
<p>This dataset contains supplementary data for "Life-cycle assessment shows that retrofitting coal-fired power plants with fuel cells will substantially reduce greenhouse gas emissions" DOI: <strong>10.1016/j.oneear.2022.03.009</strong>.</p> <p>S1-S10 contains life-cycle inventories of solid oxide fuel cells, molten carbonate fuel cells, phosphoric acid fuel cells, and proton exchange membrane fuel cells with either natural gas or wind-electrolysis hydrogen as a feedstock.</p> <p>S11-S13 contains technological information of coal-fired power plants in China</p>
Moodle Life-Cycle Ziele
<p>Ziele des Moodle Life-Cycle</p>
Moodle Life-Cycle Instanzen
<p>Moodle-Jahresinstanzen im Verlauf der Studienjahre</p>
Dataset of paper "Environmental life cycle assessment of UV-C LEDs vs. mercury lamps and oxidant selection for diclofenac degradation"
<p>Dataset of paper "Environmental life cycle assessment of UV-C LEDs vs. mercury lamps and oxidant selection for diclofenac degradation":</p> <ul> <li><span><span>Absolute impact across all categories of the Environmental Footprint (EF) for each treatment and scenario </span></span></li> <li><span><span>Relative impacts as percentages </span></span></li> </ul>
Implementing Life Cycle Assessment (LCA) for Columns and Beams in Building Renovation Projects
Open the record for dataset details and reuse information.
Figure 1 in The life cycle in late Paleozoic eryopid temnospondyls: developmental variation, plasticity and phylogeny
Figure 1. Larval and small juvenile specimens of Onchiodon labyrinthicus Geinitz. (a) LFUG 13530, (b) LFUG 13405, (c) MMG SaP 390, (d) LFUG 13361, (e) MMG SaP 237, (f) LFUG 13343. Dark grey shading depicts deeper levels of bone. Scale equals 10 mm.
Fig. 9 in Morphology and life cycle of an epiphytic pherusellid ctenostome bryozoan from the Mediterranean Sea
Fig. 9 Myoanatomy of a retracted polypide of an adult Pherusella sp. a Anal view of the lophophoral base. Volume rendering. Note the two buccal dilatators on a more proximal position, indicated by asterisk (*). b Oral view of retractor muscle and lophophoral base. Maximum intensity projection. c Distal view of musculature of the polypide. Maximum intensity projection. d Detailed view of retractor muscle shows f-actin fibers with a crossstriated pattern indicated by arrows. Maximum intensity projection. e Distal view of musculature of the polypide with particular focus on the longitudinal fibers proceeding along the esophagus and cardia. Volume rendering. Abbreviations: al – abfrontal lophophoral base muscle, bd – buccal dilatator, ca – cardia, cae – caecum, es – esophagus, f – funiculus, fl – frontal lophophoral base muscle, int – intestine, mo – mouth opening, ph – pharynx, phr – pharyngeal ring muscle, py – pylorus, rm – retractor muscle, tm – tentacle muscle, vm – "vshaped" lophophoral base muscle
Fig. 13 in Morphology and life cycle of an epiphytic pherusellid ctenostome bryozoan from the Mediterranean Sea
Fig. 13 Tentacle innervation and peripheral nervous system of an adult Pherusella sp. a + b Oral view of the lophophoral base with four neurite bundles innervating each tentacle. Staining against acetylated alpha-tubulin. b Medio-frontal neurite bundle is indicated in green, latero-frontal neurite bundle in purple, and abfrontal neurite bundle in yellow. Maximum intensity projection. c Peripheral nervous system shows the distal part with the parietal plexus und parietal muscle innervation. Staining against acetylated alpha-tubulin is indicated in green, musculature is indicated in beige, and cell nuclei in blue. Volume rendering. Abbreviations: afn – abfrontal neurite bundle, ap – aperture, cg – cerebral ganglion, cor – circumoral ring neurite bundle, cts – compound tentacle sheath neurite bundle, lfn – latero-frontal neurite bundle, mfn – medio-frontal neurite bundle, int – intestine, pm – parietal muscle, pmn – parietal muscle neurite bundle, pp – parietal plexus, pv – parietovestibular muscle, rm – retractor muscle, t – tentacle, v – vestibulum
FIGURE 1 in The larva and pupa of Potamyia flavata (Banks 1934) (Trichoptera: Hydropsychidae): Description, life cycle, and notes on its biology
FIGURE 1. Map of Thailand showing locations of the seven sampling sites.
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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.