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SiBCN fiber reinforced SiBCN matrix mini‐composites (SiBCN/SiBCN) as a new type of the ceramic matrix composite were fabricated by precursor infiltration and pyrolysis (PIP) process. Various degumming methods for continuous SiBCN fibers resulted in different properties and surface conditions, further affecting the interfacial bonding strength (IFBS) and mechanical properties of the composites. The...
An acoustic study on the elision of schwa in English utterances produced by a native speaker of English, a Han Chinese learner of English, and a Uyghur learner of English is presented in this paper. With Praat software, three acoustic parameters - fundamental frequency, the first formant and the second formant - are measured with two tiers (syllables and words). Results show that the Uyghur produces...
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