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Stuart Davis 현대문법학회 2001 현대문법연구 Vol.24 No.-
Stuart Davis. 2001. The Distribution of Aspirated Stops and /h/ in American English. Studies in Modern Grammar 24, 1-23. Languages that have both aspirated stops and the phoneme /h/ frequently manifest a close parallel in their distribution. Previous work in phonology either has failed to recognize this close parallel or does not formally account for it. For example, virtually none of the work on American English phonology observes the similarity of distribution that exists between /h/ and aspirated stops. In this paper we illustrate the close parallelism and then offer an analysis of it within Optimality Theory. The organization of this paper is as follows. In Section I we present the data that show the parallel distribution between /h/ and aspirated stops in American English. In Section 2 we develop an optimality-theoretic analysis accounting for the distribution of aspirated stops and /h/ in American English in a unified way. In Section 3 we discuss two other possible approaches in accounting for the distribution of /h/ and aspirated stops in American English and note their shortcomings. Finally, in Section 4 we briefly consider the distribution of aspiration and /h/ beyond American English and show the range of distribution patterns that are predicted to occur under the optimality-theoretic approach.
English Loanwords and the Word-Final [t] Problem in Korean
Davis, Stuart,Kang, Hyunsook 서울대학교 언어교육원 (구 서울대학교 어학연구소) 2006 語學硏究 Vol.42 No.2
English nouns that are borrowed into Korean as ending in [t] are lexicalized as if they ended in /s/. While some researchers have suggested that the lexicalization of word final [t] as /s/ reflects a general weakening process or involves something specific to loanwords, we will argue that the borrowing of English word final [t] as lexical /s/ in Korean is purely a matter internal to the morphophonology of Korean. While our claim is not a new claim since the idea is present in some of the recent literature, the detailed analysis of this within Optimality Theory and its formal connection to cases of paradigm leveling elsewhere in Korean nominal morphology as well as to diachrony is original.
Reimbursement for Preventive Health Services: The U.S. Experience
Davis, Karen The Korean Society for Preventive Medicine 1989 Journal of Preventive Medicine and Public Health Vol.22 No.1
This paper examines the failure to promote adequate preventive health care in the U.S. It focuses specifically on the preventive health services of screening, counseling, and immunization. It explores evidence on their effectiveness, as well as coverage under current private and public health insurance plans. It concludes with a proposal to expand health insurance coverage for preventive services and to reimburse physicians directly for preventive health services provided to patients.
Syllable Structure for an Artificial Language Based on Universal Principles
Davis, Stuart Institute for University Language Sejong Instituti 2002 Journal of Universal Language Vol.3 No.1
This paper discusses the type of syllables that should be found in a spoken artificial language based on the common types of syllables found in natural languages. The paper also examines the various units within the syllable, such as onset, nucleus, and coda, suggesting how the preferred structure of these units may be incorporated into an artificial language. One proposal that will emerge is that an artificial language needs to allow for at least a slight degree of complexity in its syllable structure. The paper further discusses related issue of prosody such as word stress and minimal word length in an artificial language. The paper concludes with an overview of the proposals made about syllable structure for an artificial language.
Davis, Christina M.,Kawashima, Yuki,Ohkubo, Kei,Lim, Jong Min,Kim, Dongho,Fukuzumi, Shunichi,Sessler, Jonathan L. American Chemical Society 2014 The Journal of Physical Chemistry Part C Vol.118 No.25
<P>A supramolecular assembly is formed upon mixing millimolar concentrations of a <I>tetrakis</I>-tetrathiafulvalene calix[4]pyrrole (TTF-C4P) and a porphyrin tetraethylammonium carboxylate salt in benzonitrile (PhCN). The TTF-C4P binds to the carboxylate moiety of the porphyrin with a 1:1 stoichiometry and a binding constant of 6.3 × 10<SUP>4</SUP> M<SUP>–1</SUP> in this solvent at 298 K. Laser photoexcitation of the supramolecular complex results in formation of the triplet charge-separated (CS) state composed of a radical cation of the TTF-C4P receptor and the radical anion of the porphyrin carboxylate. These processes and the resulting states were characterized by means of transient absorption and electron spin resonance (ESR) spectroscopies. The rate constants corresponding to the forward and backward intramolecular electron-transfer (ET) processes were determined to be 2.1 × 10<SUP>4</SUP> and 3.6 × 10<SUP>2</SUP> s<SUP>–1</SUP>, respectively. The rate constants of intermolecular forward and backward electron transfer were also determined to be 4.4 × 10<SUP>8</SUP> and 9.8 × 10<SUP>8</SUP> M<SUP>–1</SUP> s<SUP>–1</SUP>, respectively. The electronic coupling constant (<I>V</I>), 1.2 × 10<SUP>–2</SUP> cm<SUP>–1</SUP>, and the reorganization energy (λ), 0.76 eV, for back electron transfer were evaluated from the temperature dependence of the rate constants of intramolecular electron transfer. The small <I>V</I> value indicates little spin-forbidden interaction between the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO) and substantiates the long-lived CS lifetime. These results were corroborated by density function theory (DFT) calculations, which provided support for the conclusion that the HOMO and LUMO, located on a TTF moiety of the TTF-C4P and the porphyrin core, respectively, have little interaction though space.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jpccck/2014/jpccck.2014.118.issue-25/jp504087b/production/images/medium/jp-2014-04087b_0014.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/jp504087b'>ACS Electronic Supporting Info</A></P>
Capturing sustainable fashion purchase behavior of Hispanic consumers in the US
Davis Lizhu,Dabas Chitra 한국마케팅과학회 2021 Journal of Global Fashion Marketing Vol.12 No.3
Despite the vital role Hispanic consumers play in the U.S. apparel market, research on their sustainable apparel consumption behavior is limited. This study investigated the influence of normative expectations on young Hispanic consumers’ organic apparel purchasing behavior. A self-administered online survey was used to collect data from a population of Hispanic college students. The proposed conceptual model was tested using structural equation modeling (SEM). The study results revealed that social norms did not directly influence organic apparel purchase behavior of Hispanic consumers. Instead, social norms determined personal norms and organic apparel knowledge, which then affected the purchase behavior. Perceived health benefits also significantly affected young Hispanic consumers’ purchase behavior of organic apparel. We also found that organic apparel knowledge significantly affected the perceived quality and health benefits of organic apparel. This study contributed to the literature by 1) understanding the complex relationships of social norms with personal norms, organic apparel knowledge, and organic apparel purchase behavior of Hispanic consumers, and 2) incorporating perceived product value into the conceptual model. Findings of this study can help sustainable apparel manufacturers and retailers to develop effective marketing strategies for targeting Hispanic consumers in the US apparel markets.