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Impact of gas heating in inductively coupled plasmas (2001)

Hash, D. B. ; Bose, D. ; Rao, M. V. V. S. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 90 (2001), S. 2148-2157

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: Recently it has been recognized that the neutral gas in inductively coupled plasma reactors heats up significantly during processing. The resulting gas density variations across the reactor affect reaction rates, radical densities, plasma characteristics, and uniformity within the reactor. A self-consistent model that couples the plasma generation and transport to the gas flow and heating has been developed and used to study CF4 discharges. A Langmuir probe has been used to measure radial profiles of electron density and temperature. The model predictions agree well with the experimental results. As a result of these comparisons along with the poorer performance of the model without the gas–plasma coupling, the importance of gas heating in plasma processing has been verified. © 2001 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1390503

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Hydatid disease in children may have an atypical presentation (2000)

Gangopadhyay, A. N. ; Sahoo, Sakti P. ; Sharma, S. P. ; [et al.]

Springer

Pediatric surgery international 16 (2000), S. 89-90

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ISSN: 1437-9813

Keywords: Key words Hydatid disease ; Children choledochal cyst

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Abstract Although there is voluminous literature describing various aspects of hydatid disease in children, little attention has been paid to the small group of patients whose symptoms result in atypical presentation. This article addresses this problem, describing the features in ten children aged from 2 to 12 years. The sites of involvement were within a choledochal cyst (1). the pelvic cavity (1), the spleen (1), and transverse mesocolon. Albendazole was efficacious in the treatment of one recurrent case, as well as in preventing recurrence.