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3d - OSTI GOV

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Last Updated: 10 May 2022

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On the planar limit of 3d $ {\mathrm{T}}_{\rho}^{\sigma}\left[\mathrm{SU}\left(\mathrm{N}\right)\right] $

A bstract A bstract A bstract a few points of 3d MATHEQ T SU N quiver gauge designs in which the number of nodes is high and the scale scales quadratically with the length of the quiver. As limiting situations, limiting cases have traditionally discussed theories with N 2 ln N scaling. Each balanced 3d quiver theory is tied to a 5d parent, whose matrix model is related and dominated by the same saddle point, resulting in close correlations between BPS observeables.

Source link: https://www.osti.gov/biblio/1863717


Thresholding Analysis and Feature Extraction from 3D Ground Penetrating Radar Data for Noninvasive Assessment of Peanut Yield

With the aim of creating a noninvasive high-throughput peanut phenotyping and yield-monitoring system, image thresholding was carried out on 3D GPR data from four of the channels to reveal features that were related to peanut yield with the intention of creating a noninvasive high-throughput peanut phenotyping and yield-monitoring system. Correlating individual GPR results to yield correlations of up to 39% explained uncertainty, while multiline regression models generated up to 51% explained variability. After regression models were designed specifically for each peanut species, correlations increased. For a fruitful use of this type of analysis, we found that a systematic search of thresholding range, analysis window size, and data summary statistics are all essential. The results also show that thresholding analysis of peanut yield is a valid strategy for noninvasive assessment of peanut yield, which could be further developed for high-throughput phenotyping and yield monitoring, as well as yield monitoring, adding a new sensor and new capabilities to the increasing array of digital agriculture technologies.

Source link: https://www.osti.gov/biblio/1848230


3d N=4 Bootstrap and Mirror Symmetry

We investigate the effects of the Z2 mirror operation for the SCFT single-and-mixencing equations for the moment map operators, as well as numerical bootstrap to obtain universal constraints on OPE estimates for given flavor symmetry groups. We discover that the simplest known self-mirror model with SU flavor symmetry saturates our bootstrap bounds, allowing us to extract the non-BPS results and explore the self-mirror Z 2 symmetry thereof, among other things.

Source link: https://www.osti.gov/biblio/1851266


Tracking the evolution of processes occurring in silicon anodes in lithium ion batteries by 3D visualization of relaxation times

A 3D illustration of relaxation times has been used in unconventional electroanalytical device for monitoring processes in silicon anodes in lithium ion batteries. The electrodes were collected at various potentials and cycles during cyclic voltammetry testing and were treated by means of the Distribution of Relaxation Times scheme. In addition, it was possible to observe that the Si anode's typical relaxation time decreases when cycling, indicating that the material undergoes chemical changes that allow it to lithiate faster.

Source link: https://www.osti.gov/biblio/1814880


3D/2D passivation as a secret to success for polycrystalline thin-film solar cells

Polycrystalline photovoltaic materials have low prices and good scalability, but grain boundaries in these materials are stretched defects, which can dramatically raise carrier recombination. This has mainly resulted in process optimization, but in some cases, 2D capping layers are intentionally included to improve device functionality. With rational design options for next-generation polycrystalline solar cells, it is finally demonstrated that the desired characteristics of successful low-dimensional layers are presented.

Source link: https://www.osti.gov/biblio/1781612


3D Printed Nickel–Molybdenum-Based Electrocatalysts for Hydrogen Evolution at Low Overpotentials in a Flow-Through Configuration

In a simple electrochemical H-cell, three-dimensional printed, hierarchically porous nickel molybdenum electrocatalysts were synthesized and tested in a flow-through system for the hydrogen evolution reaction in 1. 0 M KOH. Because of the resol-based aerogel precursor, which produces superporous carbon aerogel as a catalyst, 3D NiMo electrodes have hierarchically porous structures. An analytical model that included electrokinetics of HER as well as the mass transport with or without the flow-through configuration was invented to quantitatively assess voltage losses due to bubble formation in the porous electrodes. The flow-through configuration in the simple H-cell achieved high electrochemically accessible surface areas for electrochemical reactions and provided valuable insight for the adaption of the porous electrodes in flow cells.

Source link: https://www.osti.gov/biblio/1810667


Nucleosynthesis of an 11.8 M ⊙ Supernova with 3D Simulation of the Inner Ejecta: Overall Yields and Implications for Short-lived Radionuclides in the Early Solar System

Nucleosynthesis using tracer covers the innermost 0. 1 M of the ejecta, based on a 3D supernova simulation of an 11. 8 M progenitor model with an initial solar composition. We combine the tracers' results with those from a suitable 1D model in order to get the total yields for the complete supernova. We investigate the possibility that an 11. 8 M supernova caused the formation of the solar system using the yields of short-lived radionuclides, as well as some of the SLRs measured in meteorites.

Source link: https://www.osti.gov/biblio/1849958


Direct observation of 3D atomic packing in monatomic amorphous materials

Liquids and solids are two fundamental states of matter. Though crystallography has long understood the crystalline solids' composition, our analysis of the 3D atomic structure of liquids and amorphous materials remained skeptic. For the first time, we've developed atomic temography to determine 3D atomic positions in monatomic amorphous media, including a Ta thin film and two Pd nanoparticles. The 3D atomic pattern of monatomic liquids is similar to that of the experimental amorphous substance, according to our molecular dynamics simulations and experimental findings. In addition, we find that pentagonal bipyramid networks, which are common in monatomic liquids, have rapidly expanded in size and form a small amount of complete icosahedra during the transition from a liquid to a glass state, providing a new glimpse of structural evolution during the glass transition.

Source link: https://www.osti.gov/biblio/1670142


Assembling Si 2 BN nanoribbons into a 3D porous structure as a universal anode material for both Li- and Na-ion batteries with high performance

The development of anode materials is vital to the success of sodium ion batteries. The commercial anode graphite in Li-ion batteries does not work for Na-ion batteries due to the size difference between Li and Na. We design a three dimensional porous structure by using the nanoribbons of a Si 2 BN sheet as building blocks influenced by a recent report on the high success of a 2D-Si 2 BN sheet as an anode material for Li-ion batteries.

Source link: https://www.osti.gov/biblio/1850119

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions