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1,630 results for “Stepping”
Dataset of "Hybrid modeling on 3D hydraulic features of a step-pool unit"
<p>In this repository you can find the data for the submission "Hybrid modeling on 3D hydraulic features of a step-pool unit" by Zhang et al. to Earth Surface Dynamics.</p> <p>The topographic models of the step-pool unit made of natural stones after FAVORization in FLOW3D for the six flow rates are kept in .stl files which were named after the flow rates (L/s). The mesh size for the step-pool feature is 2.5 mm for X, Y and Z directions. The locations, water level and flow velocity for the inlet boundary in all the numerical models are presented in the excel file. </p>
Mycobacterium tuberculosis complex NGS made easy: data analysis step-by-step (datasets)
<p>Datasets used in the workshop "<em>Mycobacterium tuberculosis</em> complex NGS made easy: data analysis step-by-step". A capacity development initiative by TB-CAPT, PanACEA and Seq&Treat.</p>
Data supporting On the step type of continuous propagating positive leader in laboratory-scale long spark discharges
<p>The data supports the manuscript entitled "On the step type of continuous propagating positive leader in laboratory-scale long spark discharges". The *.txt file contains the applied voltage waveform and discharge current waveform. The*.doc file contains the data for Figure 5. The *.rar file contains the high-speed video frames, and can be decompressed and opened. The data can be used freely for scientific purposes with appropriate citation.</p>
Respirometry protocols for avian thermoregulation at high air temperatures: stepped and steady-state profiles yield similar results
<p>Relationships between air temperature (Tair) and avian body temperature (Tb), resting metabolic rate (RMR) and evaporative water loss (EWL) during acute heat exposure can be quantified through respirometry using several approaches. One involves birds exposed to a stepped series of progressively increasing Tair setpoints for short periods (< 20-30 min), whereas a second seeks to achieve steady-state conditions by exposing birds to a single Tair for longer periods (> 1-2 h). To compare these two approaches, we measured Tb, RMR and EWL over Tair = 28 C to 44 C in the dark-capped bulbul (Pycnonotus tricolor). The two protocols yielded indistinguishable values of Tb, RMR and EWL and related variables at most Tair values, revealing that both are appropriate for quantifying avian thermal physiology during heat exposure over the range of Tair in the present study. The stepped protocol, however, has several ethical and practical advantages. </p>
A sequential two-step priming scheme reproduces diversity in synaptic strength and short-term plasticity
<p>Please consult the uploaded word file '<a href="https://zenodo.org/api/files/274d8784-bd00-47da-b7e7-7350c0aa3659/figure_4_public.docx">figure_4_public.docx</a>' for a description.</p>
Catalyst-free single-step plasma reforming of CH4 and CO2 to higher value oxygenates under ambient conditions
<p>Experimental data</p>
Data: Detecting preservation and reintroduction sites for endangered plant species using a two-step modelling and field approach
<p><span>To withstand the surge of species loss worldwide, (re)introduction of endangered plant species has become an increasingly common technique in conservation biology. Successful (re)introduction plans, however, require identifying sites that provide the optimal ecological conditions for the target species to thrive. In this study, we propose a two-step approach to identify appropriate (re)introduction sites. The first step involves modelling the niche and distribution of the species with bioclimatic and topographical predictors, both at continental and at national scales. The second step consists of refining these bioclimatic predictions by analysing stationary ecological parameters, such as soil conditions, and relating them to population-level fitness values. We demonstrate this methodology using Swiss populations of the lady's slipper orchid (<em>Cypripedium calceolus</em> L., Orchidaceae), for which conservation plans have existed for years but have generally been unfruitful. Our workflow identified sites for future (re)introductions based on the species requirements for mid-to-sunny light conditions and specific soil physico-chemical properties, such as basic to neutral pH and low soil organic matter content. Our findings show that by combining wide-scale bioclimatic modelling with fine scale field measurements it is possible to carefully identify the ecological requirements of a target species for successful (re)introductions.</span></p>
Softening the steps to gigantism in sauropod dinosaurs through the evolution of a pedal pad
<p class="01Indent"><span>How sauropod dinosaurs were able to withstand the forces associated with their immense size represents one of the most challenging biomechanical scenarios in the evolution of terrestrial tetrapods, but also one lacking robust biomechanical testing. Here, we use finite element analyses to quantify the biomechanical effects of foot skeletal postures with and without the presence of a soft tissue pad in sauropodomorphs. We find that none of the models can maintain bone stresses that fall within optimal bone safety factors in the absence of a soft tissue pad. Our findings suggest that a soft tissue pad in sauropods would have reduced bone stresses by combining the mechanical advantages of a functionally plantigrade foot and the plesiomorphic digitigrade saurischians conditions. The acquisition of a developed soft tissue pad by the Late-Triassic–Early-Jurassic may represent one of the key adaptations for the evolution of gigantism that has become emblematic of these dinosaurs. </span></p>
First steps in the development of a support application for Easy-to-Read adaptation: Questionnaire Responses
<p>This csv document contains the responses obtained in our user study performed in the context of the paper entitled "First steps in the development of a support application for Easy-to-Read adaptation".</p>
Can native predators be used as a stepping stone to reduce prey naivety to novel predators?
<p>Predator naivety negatively affects reintroduction success and this threat is exacerbated when prey encounters predators with which they have had no evolutionary experience. While methods have been developed to inculcate fear into such predator-naïve individuals, none have been uniformly successful. Exposing ontogenetically- and evolutionary-naïve individuals firstly to native predators may be an effective stepping stone to improved responses to evolutionarily novel predators. We focused on greater bilbies (Macrotis lagotis) and capitalised on a multi-year mammalian recovery experiment whereby western quolls (Dasyurus geoffroii) were reintroduced into parts of a large fenced reserve that contained a population of naïve bilbies. We quantified a suite of antipredator behaviours and measures of general wariness across quoll-exposed and quoll-naive bilby populations. We then translocated both quoll-exposed and quoll-naïve individuals into a large enclosure that contained feral cats (Felis catus) and monitored several behaviours. We found that bilbies can respond appropriately to quolls but found only limited support that experience with quolls better prepared bilbies to respond to cats. Both populations of bilbies rapidly modified their behaviour in a similar manner following their reintroduction to a novel environment. These results may have emerged due to insufficient prior exposure to quolls, inappropriate behavioural tests or insufficient predation risk during cat exposure. Alternatively, quolls and cats are only distantly related and may not share sufficient similarities in their predatory cues or behaviour to support such a learning transfer. Testing this stepping stone hypothesis with more closely-related predator species and under higher predation risk would be informative.</p>
London Bridge Nancy Steps
The stairs located at the south west corner of London Bridge on Montague Close. https://www.londonremembers.com/memorials/nancy-s-steps-plaque-2 https://londonist.com/london/history/where-are-nancy-s-steps-and-why-do-they-lie-to-us From the blue plaque: "These steps and arch are surviving fragments of the 1831 London Bridge designed by John Rennie and built by his son Sir John Rennie. These steps were the scene of the murder of Nancy in Charles Dicken's novel Oliver Twist." It is not clear who placed this plaque and the part about Oliver Twist is not accurate. See links above. 867 photos taken in February 2022 with a Sony a7R III and processed in Reality Capture. Source: Objaverse 1.0 / Sketchfab
Kosay step, house
Abandoned wooden house in the village of Kosai Steppe, Irkutsk, Russia. Camera: Nikon D 3400. Source: Objaverse 1.0 / Sketchfab
Dancing Maraschino Step
The skeleton is dancing. Made for a Halloween greeting card. Maximo. Source: Objaverse 1.0 / Sketchfab
Figure 1. Steps to perform antiSMASH analysis for bacteria
<p><strong><span>Figure 1.</span></strong><span> Steps to perform antiSMASH analysis for bacteria: [A] An overview of the bacterial version of antiSMASH shows a data input window where you can either upload the genome sequence in FASTA format or get the genome sequence if it has already been deposited in NCBI (https://antismash.secondarymetabolites.org/ assessed on Feb. 7, 2023, at 16:44:21 h).</span><span> [B] </span><span>Analysis output: The user has the option of receiving an email notification for the analysed genome. Alternatively, users can either bookmark job links or copy and save a job link to view it further. In both conditions, data can be viewed for a month as per convenience.</span><span> [C] The genome</span><span> of<strong> </strong><em>Actinopolyspora mortivallis</em> DSM 44261 (NZ_KB913024.1) indicates that different colour codes correspond to B) regions of the identified secondary metabolite (Regions 1–25). [D] Graphical representation of ectoine gene clusters (region 1 and region 15) taking part in various cellular processes.</span></p>
Fossil-calibrated inference of divergence times among the Volvocine algae enables reconstruction of the steps that led to differentiated multicellularity
<p>Throughout its nearly four-billion-year history, life has undergone evolutionary transitions in which simpler subunits have become integrated to form a more complex whole. Many of these transitions opened the door to innovations that resulted in increased biodiversity and/or organismal efficiency. The evolution of multicellularity from unicellular forms represents one such transition, one that paved the way for cellular differentiation, including differentiation of male and female gametes. A useful model for studying the evolution of multicellularity and cellular differentiation is the volvocine algae, a clade of freshwater green algae whose members range from unicellular to colonial, from undifferentiated to completely differentiated, and whose gamete types can be isogamous, anisogamous, or oogamous. To better understand how multicellularity, differentiation, and gametes evolved in this group, we used comparative genomics and fossil data to establish a geologically calibrated roadmap of when these innovations occurred. Our results, presented as ancestral-state reconstructions, show that multicellularity arose independently twice in this clade. Our chronograms indicate multicellularity evolved during the Carboniferous-Triassic periods in Goniaceae + Volvocaceae, and possibly as early as the Cretaceous in Tetrabaenaceae. Using divergence time estimates we inferred when, and in what order, specific developmental changes occurred that led to differentiated multicellularity and oogamy. We find that in the volvocine algae the temporal sequence of developmental changes leading to differentiated multicellularity is much as proposed by David Kirk, and that multicellularity is correlated with the acquisition of anisogamy and oogamy. Lastly, morphological, molecular, and divergence time data suggest the possibility of cryptic species in Tetrabaenaceae.</p>
Effect of Informative Cesarean Delivery Operative Steps Video to Maternal Anxiety Level: a Randomized Controlled Trial
<p>This is a SPSS data for analysis in "Effect of Informative Cesarean Delivery Operative Steps Video to Maternal Anxiety Level: a Randomized Controlled Trial" research, and video is used for intervention group.</p>
Raw data of human stepping motion
<p>Data necessary to support the findings in this study. </p> <p>Raw data of foot motion trajectories of pedestrians in each experiment run.</p>
Fig. 3 in Assessing the quality of biogeochemical coastal data: a step-wise procedure Abstract
Fig. 3: Workflow of the quality control procedure and quality flag (QF) attribution.
State of Nature layers for Water Availability and Water Pollution to support SBTN Step 1: Assess and Step 2: Interpret & Prioritize
<p>There are multiple well-recognized and peer-reviewed global datasets that can be used to assess water availability and water pollution. Each of these datasets are based on different inputs, modeling approaches, assumptions, and limitations. Therefore, in SBTN Step 1: Assess and Step 2: Interpret & Prioritize, companies are required to consult different global datasets for a robust and comprehensive State of Nature (SoN) assessment for water availability and water pollution. </p> <p>To streamline this process, WWF, the World Resources Institute (WRI), and SBTN worked together to develop two ready-to-use unified layers of SoN – one for water availability and one for water pollution – in line with the <a href="https://sciencebasedtargetsnetwork.org/resources/" target="_blank" rel="noopener">Technical Guidance for Steps 1: Assess and Step 2: Interpret & Prioritize</a> (July 2024). The main outputs contain the maximum values of Water Availability and of Water Pollution as well as the individual indicators' values. This information is available at different spatial resolutions, thus in two data formats: 1) a shapefile with values at HydroBasins (Pfafstetter level 6); and 2) an excel file with values at sub-national divisions (Adm1) and national divisions (Adm0). These datasets and complete documentation are publicly available for download below.</p>
The application of a mode of double preconcentration and double stripping steps in combination with a flow system to decrease the detection limit and increase the selectivity of determinations in stripping analysis of As(III)
<p><span>Due to the fact that arsenic </span><span>has very harmful and toxic effects on living organisms </span><span>monitoring of its content in various environmental samples </span><span>at trace level concentrations</span><span> </span><span>is desirable and highly recommended. Such advantages as low cost and portable instrumentation, achieving low detection limits and most of all the possibility of the direct determination of As(III) with no separation step make stripping voltammetry suitable for the determination of arsenic.</span><span> </span><span> <br></span></p> <p><span>These data concer the application of double deposition and double stripping steps mode in combination with a flow system for anodic stripping voltammetric determination of As(III) ions. An advantage of the proposed way of the voltammetric measurements is a decrease of the detection limit as compared to the values obtained using a traditional three-electrode system thanks to an initial preconcentration of the analyte on the first working electrode as well as the significant increase in a selectivity of As(III) determination thanks to the possibility of solution exchange after the first deposition step.</span></p> <p><span><span>The proposed way of the voltammetric measurements leads to the following analytical advantages: (i) a decrease of the detection limit as compared to the values obtained using traditional three-electrode system by an initial preconcentration of the analyte using the large-surface area electrode; (ii) an increase of the selectivity of voltammetric determinations thanks to the application of a flow system and exchange the solution after the first deposition step; (iii) simplification of performing the measurements in comparison to the original version of double accumulation and stripping steps mode due to the lack of a need to change the position of the first working electrode; (iv) the possibility of analysis of samples with a complex matrix thanks to the use of a flow system leading to minimization of matrix effects in the second deposition step. The developed procedure of As(III) determination offers a wide linear dynamic range in the range from 1 × 10<sup>-9</sup> to 5 × 10<sup>-8</sup> mol L<sup>-1</sup> at a deposition time of 120 s at both working electrodes. The detection limit for As(III) determination was 4.8 × 10<sup>-10</sup> mol L<sup>-1</sup>. The undoubted advantage of the described procedure is its high selectivity. The tolerable limit of excess of Cu(II), which is the main interferent in the course of anodic stripping voltammetric As(III) determination, was significantly increased thanks to the solution exchange after the first deposition step. The correctness of the proposed procedure was confirmed by analysis of a real water sample and lake water certified reference material by obtaining satisfactory recovery values. The additional advantage of the proposed procedure is a miniaturization of the measurement system and the use of environmentally friendly electrodes.</span></span></p>
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.