5 research outputs found
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Testing of low Z coated limiters in tokamak fusion devices
Extensive testing on a laboratory scale has been used to select those coatings most suitable for this environment. From this testing which included pulsed electron beam heating, low energy ion bombardment and arcing, chemical vapor deposited coating of TiB/sub 2/ and TiC on Poco graphite substrates have been selected and tested as limiters in ISX. Both limiter materials gave clean, stable, reproducible tokamak discharges the first day of operation. After one weeks exposure, the TiC limiter showed only superficial damage with no coating failure. The TiB/sub 2/ limiter had some small areas of coating failure. TiC coated graphite limiters have also been briefly tested in the tokamaks Alcator and PDX with favorable results
On Compensation in Multidimensional Response Modeling
compensatory model, maximum-likelihood estimation, monotone score function, multidimensional response model,
Locally dependent latent trait model and the dutch identity revisited
hybrid kernel, EM algorithm, generalized log-linear model, reproducibility,