phonological variations that occur naturally in spontaneous speech. The interests in variability of speech are not limited to the phonology but are expanding toward other areas of linguistics and speech-related fields. Speech data recorded in a studio by reading aloud a given script are gradually being replaced more and more by those recorded spontaneously in a natural setting without any script. The two types of recorded materials are equally important in pursuing various linguistic research goals. However, it is evident that the recordings from natural spontaneous speech contain more phonetic, phonological and sociolinguistic phenomena of the native speakers of a particular language than those from unnatural citation-form studio recordings. The Buckeye corpus of spontaneous speech[1] is a pioneering example of natural speech data. The 40 hours of recording from American talkers along with a search tool[2] are available for free to the research community and the corpus has been in the front line of changing the phonetic and phonological aspects of linguistic study in the world. In the same vein, Praat[3], the free software for doing phonetics by computer, has changed the way phoneticians do their work since its introduction to the linguistic research community.
Synthesis and in vitro Evaluation of 7-Dialkylaminomethylbenzo[g]quinoxaline-5,10-diones. -The title compounds (VI) are tested for their cytotoxic activities against four human cancer cell lines. The most active compound (VIc) shows cytotoxic activity comparable to that of doxorubicin against HCT-15 cancer cell lines. -(LEE*, H.; CHO, S.; NAMGOONG, K.; JUNG, J.-K.; CHO, J.; YANG, S.-I.; Bioorg.
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