Results 31 to 40 of about 845,202 (292)

Low-Temperature Plasma Diagnostics to Investigate the Process Window Shift in Plasma Etching of SiO2

open access: yesSensors, 2022
As low-temperature plasma plays an important role in semiconductor manufacturing, plasma diagnostics have been widely employed to understand changes in plasma according to external control parameters, which has led to the achievement of appropriate ...
Youngseok Lee   +5 more
doaj   +1 more source

Implementation of the new multichannel X-mode edge density profile reflectometer for the ICRF antenna on ASDEX Upgrade [PDF]

open access: yes, 2016
A new multichannel frequency modulated continuous-wave reflectometry diagnostic has been successfully installed and commissioned on ASDEX Upgrade to measure the plasma edge electron density profile evolution in front of the Ion Cyclotron Range of ...
A. A. Tuccillo   +22 more
core   +2 more sources

Estimation of a coronal mass ejection magnetic field strength using radio observations of gyrosynchrotron radiation [PDF]

open access: yes, 2017
Coronal mass ejections (CMEs) are large eruptions of plasma and magnetic field from the low solar corona into interplanetary space. These eruptions are often associated with the acceleration of energetic electrons which produce various sources of high ...
Carley, Eoin P.   +3 more
core   +5 more sources

Calibration of a laboratory plasma impedance probe

open access: yesFrontiers in Astronomy and Space Sciences
IntroductionThis work describes the calibration of a laboratory plasma impedance probe, a diagnostic to accurately measure the plasma density using resonances in the self-impedance spectrum that are introduced when the probe is immersed in a plasma. This
Erik M. Tejero   +2 more
doaj   +1 more source

Plasma circRNA microarray profiling identifies novel circRNA biomarkers for the diagnosis of ovarian cancer

open access: yesJournal of Ovarian Research, 2022
Background Circular RNA (circRNA), a class of RNA with a covalent closed circular structure that widely existed in serum and plasma, has been considered an ideal liquid biopsy marker in many diseases.
Lili Ge   +9 more
doaj   +1 more source

Prominence plasma diagnostics through EUV absorption [PDF]

open access: yes, 2012
In this paper we introduce a new diagnostic technique that uses prominence EUV and UV absorption to determine the prominence plasma electron temperature and column emission measure, as well as He/H relative abundance; if a realistic assumption on the ...
Landi, E., Reale, F.
core   +2 more sources

Thermally excited fluctuations as a pure electron plasma temperature diagnostic [PDF]

open access: yes, 2006
Thermally excited charge fluctuations in pure electron plasma columns provide a diagnostic for the plasma temperature over a range of 0.05 0.2, so that Landau damping is dominant and well modeled by theory. The third method compares the total (frequency-
Anderegg, F.   +4 more
core   +1 more source

Quantifying fusion born ion populations in magnetically confined plasmas using ion cyclotron emission [PDF]

open access: yes, 2016
Ion cyclotron emission (ICE) offers unique promise as a diagnostic of the fusion born alpha-particle population in magnetically confined plasmas. Pioneering observations from JET and TFTR found that ICE intensity $P_{ICE}$ scales approximately linearly ...
Carbajal, L.   +3 more
core   +2 more sources

Upacicalcet: A Novel Intravenous Calcimimetic Agent for Patients Undergoing Hemodialysis With Secondary Hyperparathyroidism

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Secondary hyperparathyroidism (SHPT) is a common complication in patients receiving maintenance dialysis, driven by calcium and phosphate metabolism disturbances. Calcimimetics are central to the management of SHPT by enhancing calcium‐sensing receptor sensitivity and reducing parathyroid hormone secretion.
Fumihiko Koiwa   +3 more
wiley   +1 more source

Heterodyne interferometer with unequal path lengths [PDF]

open access: yes, 2006
Laser interferometry is an extensively used diagnostic for plasma experiments. Existing plasma interferometers are designed on the presumption that the scene and reference beam path lengths have to be equal, a requirement that is costly in both the ...
Deepak Kumar   +3 more
core   +3 more sources

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