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677 results for “inversion”
Magnetic and gravimetric models of La Palma (Canary Island) from standalone and joint inversions.
<p>The Excel file contains the updated 3D models derived from the standalone and joint inversions of the magnetic and gravimetric anomalies on the island of La Palma (Canary Islands). The first Excel sheet contains the 3D magnetic susceptibility model from the standalone inversion. The second sheet shows the 3D magnetic susceptibility model from the joint inversion and the last sheet contain the density contrast model derived from the joint inversion.</p> <p>Each sheet has the following columns:</p> <p>Coordinate UTM X, Coordinate UTM Y, Height (-) or Depth (+), Physical property (magnetic susceptibility or density). </p> <p>Units are given in the headings.</p>
Altimetry-derived Gravity Gradients using Spectral Method and Their Performance in Bathymetry Inversion using Back-Propagation Neural Network
<p>Data and accompanying MATLAB scripts for the machine learning section of the paper <em> Altimetry-derived Gravity Gradients using Spectral Method and Their Performance in Bathymetry Inversion using Back-Propagation Neural Network</em>. </p>
[PART 3] How to fit a round peg in a square hole: Pseudomonas aeruginosa acyl-CoA dehydrogenases and structure-guided inversion of their substrate specificity.
<p>Metadynamics data for the PaFADE1</p> <p>1320- PaFadE1 8PNS noCoA +FAD + G129M A295E - metadynamics, 10A3 OPLS4 T3P<br>1321- PaFadE1 8PNS noCoA +FAD WT - metadynamics, 10A3 OPLS4 T3P</p>
[PART 2] How to fit a round peg in a square hole: Pseudomonas aeruginosa acyl-CoA dehydrogenases and structure-guided inversion of their substrate specificity.
<p>Classical unbiased molecular dynamics dataset generated with Maestro 2023.4</p> <p>1320- PaFadE1 8PNS noCoA +FAD + G129M A295E, 10A3 OPLS4 T3P<br>1321- PaFadE1 8PNS noCoA +FAD WT, 10A3 OPLS4 T3P</p>
Estimating labquake source parameters: spectral inversion from a calibrated acoustic system
<p>Laboratory acoustic emissions (AEs) serve as small-scale analogues to earthquakes, offering fundamental insights into seismic processes. To ensure accurate physical interpretations of AEs, rigorous calibration of the acoustic system is essential. In this paper, we present an empirical calibration technique that quantifies sensor responses, instrumentation effects, and path characteristics into a single entity termed instrument apparatus response.</p> <p>Using a controlled seismic source with different steel balls, we retrieve the instrument apparatus response in the frequency domain under typical experimental conditions for various piezoelectric sensors (PZTs) arranged to simulate a three-component seismic station. Removing these responses from the raw AEs spectra allows us to obtain calibrated AE source spectra which are then effectively used to constrain the AEs seismic source parameters.</p> <p>We apply this calibration method to acoustic emissions (AEs) generated during unstable stick-slip behavior of quartz gouge in double-direct shear experiments. The calibrated AEs range in magnitude from -7.1 to -6.4 and exhibit stress drops between 0.075 MPa and 4.29 MPa, consistent with earthquake scaling relation. </p> <p>This result highlights the strong similarities between AEs generated from frictional gouge experiments and natural earthquakes. Through this acoustic emission calibration we gain physical insights into the seismic sources of laboratory AEs, enhancing our understanding of seismic rupture processes in fault gouge experiments.</p>
Implementation of Inverse Model Policy based on KineNN in Physical Robot for Pick and Place Scenario
<p>Inverse Model Policy based on KineNN was trained in a simulation. After that, the policy is evaluated with the physical robot. The policy is used to drive the robot to specific target such as: Pick Position, Safe Pick Position, Place Position, Safe Place Position. </p>
Codes for "Intensifying Inverse KE Cascade Over Energetic Oceans Under Global Warming" By Geng et al. Submitted to Nature Climate Change
<p>This repository contains the necessary codes for the study of "Intensification of Oceanic Inverse Energy Cascade Under Global Warming" .</p> <p>Specifically, this repository contains the following items:</p> <p>(1) The codes for computing the global kinetic energy cascade, the four metrics of inverse KE cascade and their trends.</p> <p>(2) The function codes needed for coarse-graining filtering and trend analysis.</p> <p>(3) Necessary data for running the programs at MATLAB.</p>
Data from: The adaptive significance of chromosomal inversion polymorphisms in Drosophila melanogaster
Chromosomal inversions, structural mutations that reverse a segment of a chromosome, cause suppression of recombination in the heterozygous state. Several studies have shown that inversion polymorphisms can form clines or fluctuate predictably in frequency over seasonal time spans. These observations prompted the hypothesis that chromosomal rearrangements might be subject to spatially and/or temporally varying selection. Here we review what has been learned about the adaptive significance of inversion polymorphisms in the vinegar fly Drosophila melanogaster, the species in which they were first discovered by Sturtevant in 1917. A large body of work provides compelling evidence that several inversions in this system are adaptive; however, the precise selective mechanisms that maintain them polymorphic in natural populations remain poorly understood. Recent advances in population genomics, modeling and functional genetics promise to greatly improve our understanding of this longstanding and fundamental problem in the near future.
Data from: Long distance dispersal and genetic structure of natural populations: an assessment of the inverse isolation hypothesis in peat mosses
It is well accepted that the shape of the dispersal kernel, especially its tail, has a substantial effect on the genetic structure of species. Theory predicts that dispersal by fat-tailed kernels reshuffles genetic material and thus preserves genetic diversity during colonization. Moreover, if efficient long distance dispersal is coupled with random colonization, an inverse isolation effect is predicted to develop in which increasing genetic diversity per colonizer is expected with increasing distance from a genetically variable source. By contrast, increasing isolation leads to decreasing genetic diversity when dispersal is via thin-tailed kernels. Here we use a well-established model group for dispersal biology (peat mosses: genus Sphagnum) with a fat-tailed dispersal kernel, and the natural laboratory of the Stockholm archipelago to study the validity of the inverse isolation hypothesis in spore-dispersed plants in island colonization. Population genetic structure of three species (S. fallax, S. fimbriatum and S. palustre) with contrasting life histories and ploidy levels were investigated on a set of islands using microsatellites. Our data show (φ'st, AMOVA, IBD) that dispersal of the two most abundant species can be well approximated by a random colonization model. We find that genetic diversity per colonizer on islands increases with distance from the mainland for S. fallax and S. fimbriatum. By contrast, S. palustre deviates from this pattern, owing to its restricted distribution in the region affecting its source pool strength. Therefore, the inverse isolation effect appears to hold in natural populations of peat mosses and, likely, in other organisms with small diaspores.
Constructing a 3-D radially anisotropic crustal velocity model for Oklahoma using full waveform inversion
<p>The CSV file is the inverted 3D shear velocity. It contains absolute horizontally and vertically polarized shear velocity, as well as their relative perturbation with respect to the averaged 1-D velocity profile. The radial anisotropy (RA), which is defined in the paper, is also concluded in the file.</p>
Inversion and Spatiotemporal Analysis of Ocean Primary Productivity in Bohai Sea Based on improved DINEOF reconstructed MODIS Data
<p>his section of data is the raw data and experimental results of manuscript "Inversion and Spatiotemporal Analysis of Ocean Primary Productivity in Bohai Sea Based on improved DINEOF reconstructed MODIS Data".</p>
Therapeutic Intervention With Neuromodulation and Inverse Virtual Reality in Patients With Fibromyalgia
ClinicalTrials.gov study NCT05726123. IPD Sharing: Not stated. Countries: 1. Publications: 0.
MRIPositive Diagnosis of Vestibular Neuritis Using Fluid Attenuated Inversion Recuperation (FLAIR) Sequence on a 1.5 Tesla
ClinicalTrials.gov study NCT03452410. IPD Sharing: NO. Countries: 1. Publications: 0.
Assessment of the Accuracy of Surgical Guide Designed From Dental Model Optical Scan Versus Impression Inversion With Markers Techniques in Computer Guided Implantology. Randomized Clinical Trial.
ClinicalTrials.gov study NCT03367949. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Clinical Validation of an Artificial Intelligence Tool to Predict Inversion Time
ClinicalTrials.gov study NCT06855238. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Inverse Ratio Ventilation on Bariatric Operation
ClinicalTrials.gov study NCT01922401. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Trial Twice Daily Application of LEO 124249 Ointment 30 mg/g in Treatment of Mild to Moderate Inverse Psoriasis
ClinicalTrials.gov study NCT02695940. IPD Sharing: NO. Countries: 1. Publications: 0.
Staple Line Inversion vs Buttressing on Postoperative Vomits After LSG
ClinicalTrials.gov study NCT03104023. IPD Sharing: NO. Countries: 1. Publications: 0.
Inversion and Fixation of the Transversalis Fascia in Laparoscopic Inguinal Hernia Repair
ClinicalTrials.gov study NCT05420818. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Modified Cervical Inversion During CS in Placenta Previa
ClinicalTrials.gov study NCT03772184. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.