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1,940 results for “pulses”
Fig. 3 in Effects of the interannual variations in the flood pulse mediated by hypoxia tolerance: the case of the fish assemblages in the upper Paraná River floodplain
Fig. 3. Interannual variation of the absolute and mean ± s.e. values of dissolved oxygen (a, c) and water transparency (b, d) in lakes (circle) and river channels (square) of the upper Paraná River floodplain, in years of short (2000 and 2001) and moderate (2002 and 2003) floods. Numbers 1-6 are codes of the sampling stations (see Fig. 1).
Locating preliminary breakdown pulses in positive cloud-to-ground lightning
<p>Location results of five +CG flashes reported in this paper.</p>
Supporting data for the manuscript "Femtosecond pulse amplification on a chip"
<p>Supporting data for the manuscript "Femtosecond pulse amplification on a chip"</p>
Activation of telecom emitters in silicon upon ion implantation and ns pulsed laser annealing
Open the record for dataset details and reuse information.
betmiga and betmiga pulse rate datasheet
Open the record for dataset details and reuse information.
Data from: Near absence of differential gene expression in the retina of rainbow trout after exposure to a magnetic pulse: implications for magnetoreception
The ability to perceive Earth's magnetic field, or magnetoreception, exists in numerous animals. Although the mechanism underlying magnetoreception has not been clearly established in any species, in salmonid fish it is hypothesized to occur by means of crystals of magnetite associated with nervous tissue such as the brain, olfactory organ, or retina. In this study, rainbow trout (Oncorhynchus mykiss) were exposed to a brief magnetic pulse known to disrupt magnetic orientation behavior in several animals. Changes in gene expression induced by the pulse were then examined in the retina. Analyses indicated that the pulse elicited differential expression of only a single gene, gamma-crystallin M3-like (crygm3). The near-absence of an effect of the magnetic pulse on gene expression in the retina stands in sharp contrast to a recent study in which 181 genes were differentially expressed in brain tissue of O. mykiss after exposure to the same pulse. Overall, our results suggest either that magnetite-based magnetoreceptors in trout are not located in the retina, or else that they are unaffected by magnetic pulses that can disrupt magnetic orientation behavior in animals.
Data from: Increasing the germination envelope under water stress improves seedling emergence in two dominant grass species across different pulse rainfall events
1. Demographic recruitment processes, such as seed germination and seedling emergence, are critical transitional phases to the re-establishment of degraded plant populations, but often fail due to rainfall not supporting plant requirements. Using species from the widespread arid Australian perennial grass genus Triodia, we investigated the interactions of seeds in different dormancy states and their functional germination envelope in response to water stress after simulated pulse rainfall events. 2. Seed dormancy was alleviated in Triodia species to varying degrees by wet/ dry cycling or by removing floret structures from seeds. The seeds were then exposed to different rainfall frequency and quantity events mimicking the 25th, median, 75th and 95th percentile rainfall events found in natural habitats for the study species in the north-west Australian arid zone. 3. Under 95th percentile rainfall conditions recruitment was highest, but still limited to 35% germination and 10% emergence of cleaned seeds (i.e. the least dormant state evaluated). This was related to the functional germination envelope as indicated by more negative base water potential thresholds (Ψb50) for cleaned seeds (≥ -0.33 MPa) compared to intact florets (≥ -0.26 MPa). As a result the maximum cumulative time where soil water potentials were optimal for germination (Ψsoil ≥ Ψb50) were 1.6–2.6 times longer for cleaned seeds in large frequent rainfall events when compared to intact florets. Furthermore, seed dormancy, that usually prolongs seed survival, was linked to a short-term reduction in seed viability, which may further reduce recruitment rates. 4. Synthesis and applications. Our findings indicate that large frequent rainfall events raised soil water potentials above critical thresholds for germination and are important for successful plant establishment. If recruitment bottlenecks are a result of seed dormancy and variable rainfall for arid grass species, then this study shows benefits for alleviating seed dormancy prior to seeding in restoration sites, as this increases the environmental envelope for germination.
Fig. 2 in Influence of environmental parameters on fish assemblage of a Neotropical river with a flood pulse regime, Central Brazil
Fig. 2. Ordination of the co-structure resulting from the co-inertia analysis between the fish assemblages and quantitative (a) and qualitative (b) environmental parameters (square arrow edge = stretch; circle = fish assemblage). Numbers represent the stretch sampled at low (L) or high (H) waters. Letter codes correspond to the main fish species that contributed to the costructure and are listed in Table 1. CD = channel depth; CW = channel width; DO = dissolved oxygen; ST = Secchi transparency; RS/S/L/R = river substrate/sand/leaves/roots; RVC/H = river vegetation cover/high; RVC/A/H = river vegetation cover absent/ high; RS/S/L = river substrate/sand/leaves; RVC/F = river vegetation cover/flooded. Boxes indicate scales.
The state of Diversity and Inclusion in Apache: A Pulse Check (survey)
<p>The state of Diversity and Inclusion in Apache: A Pulse Check (survey)</p>
The state of Diversity and Inclusion in Apache: A Pulse Check
<p>The state of Diversity and Inclusion in Apache: A Pulse Check --- Supplementary materials</p>
Accuracy of Pulse Oximeters With Profound Hypoxia At Rest (NIHO16)
ClinicalTrials.gov study NCT05745675. IPD Sharing: NO. Countries: 1. Publications: 0.
SpO2 Accuracy of Noninvasive Disposable Pulse Oximeter Sensor
ClinicalTrials.gov study NCT05245526. IPD Sharing: NO. Countries: 1. Publications: 0.
High Level Pulsed Heat Versus Low Level Steady Heat in Subjects With Chronic Low Back Pain
ClinicalTrials.gov study NCT04109703. IPD Sharing: NO. Countries: 1. Publications: 0.
Accuracy of Hemoglobin Measurement for Various Rainbow Pulse Oximeter Sensors
ClinicalTrials.gov study NCT03124966. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Procedural Mitral Isthmus Block Durability After Pulsed-Field Ablation in Patients with Non-Paroxysmal Atrial Fibrillation
ClinicalTrials.gov study NCT06803238. IPD Sharing: Not stated. Countries: 0. Publications: 1.
The SAPPHIRE Study (Systolic And Pulse Pressure Hemodynamic Improvement By Restoring Elasticity)
ClinicalTrials.gov study NCT00045981. IPD Sharing: Not stated. Countries: 0. Publications: 10.
Trans-abdominal Fetal Pulse Oximetry
ClinicalTrials.gov study NCT05147584. IPD Sharing: NO. Countries: 1. Publications: 0.
Clinical Trial Testing the BioSerenity Pulse Oximeter (EOXY) Efficacy, Performance and Safety in Healthy Volunteer
ClinicalTrials.gov study NCT03614416. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Clinical Evaluation of Hair Removal and Permanent Hair Reduction for Skin Types VI Using Intense Pulsed Light
ClinicalTrials.gov study NCT02452398. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Comparison Study of Picosecond and Nanosecond Pulse Durations Using a Q-switched Nd:YAG Laser for Tattoo Removal
ClinicalTrials.gov study NCT02244554. IPD Sharing: Not stated. Countries: 1. Publications: 0.
ScienceDex guides
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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.