Results 201 to 210 of about 19,897 (263)
Oxidation and Sulfidation Resistance of Hot-Pressed AlCrMoTaTi and AlCrNbTaTi Alloys at High Temperatures. [PDF]
Materials (Basel)Smoła G +4 more
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Synthesis, Characterization, and Biological Evaluation of Aliphatic-Substituted Benzimidazole Derivatives: Induction of Apoptosis, Cell Cycle Arrest, and Molecular Docking in Breast Cancer Cells. [PDF]
Drug Dev ResKeser M +7 more
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Photographic Analysis of a Low-Current, Vacuum Electric Arc Using an Ultrafast Camera. [PDF]
Materials (Basel)Lech M, Węgierek P.
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A sperm racetrack to separate sperm by swim speed.
Lab ChipBaldwin-Brown J +7 more
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Vacuum, 1956
DURING an investigation of the behaviour of electric arcs in vacuum, measurements have been made of arc voltages with various cathode materials, and photographs have been taken of cathode spot tracks on one particular material. Certain of these measurements may be relevant to phenomena occurring at the opening of low-current contacts in air.
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DURING an investigation of the behaviour of electric arcs in vacuum, measurements have been made of arc voltages with various cathode materials, and photographs have been taken of cathode spot tracks on one particular material. Certain of these measurements may be relevant to phenomena occurring at the opening of low-current contacts in air.
openaire +2 more sources
Investigations of arc instabilities in DC vacuum arcs
2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV), 2021Investigations of low currents vacuum arcs (< 30 A) have been performed on CuCr, Cu and W contact materials in order to evaluate their chopping current behavior. Results show that the arc burning between CuCr contacts is relatively stable with an average lifetime of 16 ms at 7A, in the presented test set-up.
Thierry Delachaux +2 more
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The vacuum arc and vacuum interruption
Journal of Physics D: Applied Physics, 1989The vacuum arc has been widely studied in recent years. One of the principal reasons for this interest has been the increasing use of the vacuum arc to achieve circuit interruption in electrical distribution systems. This is an expanding application with sales predictions of 300000 units for 1987 and with many millions already in service worldwide ...
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A Theoretical Analysis of Vacuum Arc Thruster and Vacuum Arc Ion Thruster Performance
IEEE Transactions on Plasma Science, 2008Thrusters that exploit vacuum arc discharges to produce high-velocity plasma jets directly or as sources of plasma that is subsequently accelerated electrostatically have been proposed or are currently under development. Vacuum arc discharges exhibit certain regularities in their behavior that allow the performance of these thrusters to be described by
John Ziemer +2 more
exaly +2 more sources
1994
Since the vacuum arc is the key element in the vacuum interrupter, some knowledge of its structure and behaviour is essential to understanding the operation of vacuum switchgear. The name vacuum arc is really incorrect, indeed, it is a contradiction. As Ecker points out 'If there is a vacuum there is no arc, and if there is an arc there is no vacuum ...
openaire +1 more source
Since the vacuum arc is the key element in the vacuum interrupter, some knowledge of its structure and behaviour is essential to understanding the operation of vacuum switchgear. The name vacuum arc is really incorrect, indeed, it is a contradiction. As Ecker points out 'If there is a vacuum there is no arc, and if there is an arc there is no vacuum ...
openaire +1 more source
2017 4th International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST), 2017
The paper investigates the pulsed AMF arc control on the vacuum arc and the post arc characteristic to reveal the mechanism of AMF arc control in different control time and find the proper AMF arc control. The pulsed AMF control system is designed and the pulse width is adjusting from 1.5ms to 10ms.
Guowei Ge +4 more
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The paper investigates the pulsed AMF arc control on the vacuum arc and the post arc characteristic to reveal the mechanism of AMF arc control in different control time and find the proper AMF arc control. The pulsed AMF control system is designed and the pulse width is adjusting from 1.5ms to 10ms.
Guowei Ge +4 more
openaire +1 more source