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Boggs, Marjorie; Eastman, Helen

doi:10.1177/104438943501501003

Cited by 2 publications

(2 citation statements)

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“…These are "hazy" films with rough surfaces to promote impregnation. The only additives contained in the BOPP film under study are pentaerythritoltetrakis(3,5-di-tert-butyl-4 hydroxyhydrocinnamate) and calcium stearate [4] which is a sterically hindered phenol used as an antioxidant to abstract unstable radicals. Calcium stearate is a lubricant and an acid scavenger to neutralize any hydrochloric acid generated from reactions between the hindered phenol and residual chloride-containing catalyst.…”

Section: A Materials and Sample Preparationmentioning

confidence: 99%

Field and electron beam-induced luminescence phenomena in polypropylene thin films

Qiao

Teyssèdre

Laurent

2015

2015 IEEE 11th International Conference on the Properties and Applications of Dielectric Materials (ICPADM)

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Field-induced luminescence of insulating polymers is an exciting field of research. Being intrinsically related with the high-field electronic properties of the material, it provides a way to investigate electrical ageing and breakdown processes. It is particularly suited for those materials used in high field applications, e.g. thin films of polypropylene in capacitors. One of the puzzling aspects of electroluminescence in wide band gap polymers is that the emission spectra are only reproduced under electron beam irradiation. In this communication, we report for the first time the field and electron beam induced luminescence in polypropylene films. Measurements were performed on 17 mthick bi-oriented polypropylene films. The home-designed electron gun provides electrons of up to 10 keV in energies. Emission spectra acquired for different beam energies are compared to the electroluminescence spectra obtained under AC stress for fields in the range 150-300 kV/mm. The nature of the excitation process in field and electron beam-induced luminescence is discussed together with the nature of emitting species and their significance for ageing study.

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Section: A Materials and Sample Preparationmentioning

confidence: 99%

Field and electron beam-induced luminescence phenomena in polypropylene thin films

Qiao

Teyssèdre

Laurent

2015

2015 IEEE 11th International Conference on the Properties and Applications of Dielectric Materials (ICPADM)

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“…Hyperfidelis, focusing on enhancing agricultural output, supports geospatial visualization by accessing image datum and coordinate systems. It reads various formats of raster and vector datasets including satellite imagery, UAV-based RGB imagery, multispectral imagery, and hyperspectral imagery, using libraries like rasterio 1.2.10 for manipulation and Spectral Python 0.22.4 [34] for hyperspectral data 3D spectral hypercube visualization [35] (Figure 1) and processing (Figure 2). Moreover, Hyperfidelis extracts color channels and normalizes them for visualization, facilitated by PyQt5 5.15.2 for frontend display.…”

Section: Software Designmentioning

confidence: 99%

Hyperfidelis: A Software Toolkit to Empower Precision Agriculture with GeoAI

Sagan,

Coral,

Bhadra

et al. 2024

Remote Sensing

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The potential of artificial intelligence (AI) and machine learning (ML) in agriculture for improving crop yields and reducing the use of water, fertilizers, and pesticides remains a challenge. The goal of this work was to introduce Hyperfidelis, a geospatial software package that provides a comprehensive workflow that includes imagery visualization, feature extraction, zonal statistics, and modeling of key agricultural traits including chlorophyll content, yield, and leaf area index in a ML framework that can be used to improve food security. The platform combines a user-friendly graphical user interface with cutting-edge machine learning techniques, bridging the gap between plant science, agronomy, remote sensing, and data science without requiring users to possess any coding knowledge. Hyperfidelis offers several data engineering and machine learning algorithms that can be employed without scripting, which will prove essential in the plant science community.

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Cited by 2 publications

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Field and electron beam-induced luminescence phenomena in polypropylene thin films

Field and electron beam-induced luminescence phenomena in polypropylene thin films

Hyperfidelis: A Software Toolkit to Empower Precision Agriculture with GeoAI

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