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Numerical simulation of ion-exchange in glass for integratedoptical components

A numerical model based on the finite-element method for solving the nonlinear diffusion equation of ion-exchange in glasses is presented. The model is applied to the calculation of the concentration profile for a Ag⁺-Na⁺ ion-exchanged channel waveguide. The calculated concentration profile is in good agreement with a measured refractive-index profile of a waveguide fabricated with the same parameters as used in the calculations     

Adequacy of a translation of the MMPI into American Sign Language for use with deaf individuals: Linguistic equivalency issues.

Translated the MMPI into American Sign Language (ASL) via the back-translation procedure and recorded it on videotape to determine the linguistic equivalency of a sign language translation of a psychological test for use with deaf individuals. The bilingual retest technique was conducted whereby both forms of the instrument were administered to 28 ASL-English bilingual deaf Ss. Due to the advent of the MMPI-2 during the conduct of this study, a new set of T scores was calculated from the present MMPI data to compare the effect of shifting to the MMPI-2 norms. The results demonstrate adequate linguistic equivalencies of the ASL MMPI items and underscore the potential utility and practicality of future ASL translations of psychological tests for use with deaf individuals. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Combustion of bulk density powder mixtures in a coflow of nitrogen gas: 3. The Ti-(Ti + 0.5C) layered system

Explored is the filtration combustion in Ti-(Ti + 0.5C) layered powder systems in a coflow of nitrogen gas. The presence/absence of nitrogen coflow through the layered system was found to drastically affect the character of wave propagation and structure/properties of product. The obtained data can be regarded as a basis for fabrication of new layered and composite materials in the mode of dynamic filtration combustion.