Results 21 to 30 of about 469,970 (301)
Energies, 2020 Power transformers are the main element of an electric power system. The service life of these devices depends to a large extent on the technical condition of their insulation system.
Maciej Zdanowski
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Studies on Bile Pigments II. Seperation of Natural Direct Bilirubins [PDF]
, 1956 Separation of both forms of the direct bilirubin were carried out from the dog's gallbladder bile, and further isolations of them were also done. 1. The natural salt-form bilirubin was isolated after separation on the column of aluminium oxide with a n ...
Sakamoto, Takeshi
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Energies, 2016 This article presents the results of comparative studies on streamer propagation and breakdown in a point-insulating plate electrode system in mineral oil and two ester liquids. The studies were performed for a 10-mm gap and a positive standard lightning
Pawel Rozga
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Energies, 2023 This article describes the results of laboratory tests on an oil-wedge-type electrode system, which were supplemented by FEM (finite element method) simulations. The studies were focused on the comparison of the partial-discharge inception voltage (PDIV)
Bartlomiej Pasternak, Pawel Rozga
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Energies, 2017 Mineral oil is widely used as liquid insulation in high voltage equipment. Due to environmental considerations, recently natural esters have been considered as naturally friendly liquid insulation candidates for high voltage transformers.
Abi Munajad, Cahyo Subroto, Suwarno
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Energies, 2021 Increasing usage of petroleum-based insulating oils in electrical apparatus has led to increase in pollution and, at the same time, the oils adversely affect the life of electrical apparatus. This increases the demand of Mineral Oil (MO), which is on the
Raymon Antony Raj +3 more
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Aging of Kraft paper insulation in natural ester dielectric fluid [PDF]
, 2013 The aging behavior of transformer insulation Kraft paper aged in a natural ester oil, recently developed from palm kernel oil, is compared to the behavior of paper samples aged in mineral insulating oil.
Abdelmalik, A. A. +2 more
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Galactosylsphingamides : new α-GalCer analogues to probe the F’-pocket of CD1d [PDF]
, 2017 Invariant Natural Killer T-cells (iNKT-cells) are an attractive target for immune response modulation, as upon CD1d-mediated stimulation with KRN7000, a synthetic alpha-galactosylceramide, they produce a vast amount of cytokines.
Decruy, Tine +9 more
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Evaluation of the Antimicrobial Activity of Endophytic Bacterial Populations From Chinese Traditional Medicinal Plant Licorice and Characterization of the Bioactive Secondary Metabolites Produced by Bacillus atrophaeus Against Verticillium dahliae [PDF]
, 2018 Endophytic bacteria associated with medicinal plants possess unique strategies that enhance growth and suvival of host plants, many of which are mediated by distinctive secondary metabolites.
Guo, Jian-Wei +9 more
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Statistical Analysis of Breakdown Voltage of Insulating Liquid Dopped with Surfactants
Energies, 2023 This article presents the research process and statistical analysis of the selection of an appropriate type of surfactant to be added to natural ester oil MIDEL eN 1204. The tested parameter was the breakdown voltage.
Łukasz Nagi, Mateusz Bogacz
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