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A Corpus-Based Study on Syntactic Features of Maritime English News Headlines
Wang, Meihan,장세은 언어과학회 2022 언어과학연구 Vol.- No.100
The purpose of this study is to explore the syntactic features of maritime news headlines from three aspects: sentence structure patterns, sentence voices and omissions, with the help of SPSS, WordSmith Tools and CLAWS4. Three findings are noted. First, simple sentences are used much more frequently in the Maritime News Headline Corpus (MNHC) than the General News Headlines Corpus (GNHC). Among the seven basic modes of simple sentences, SVOA, SVO, and SVA are the most common patterns used in the two corpora. Second, there were no significant differences between the two corpora in sentence voice. However, the active voice is used more frequently in the two corpora than the passive voice. Third, there were no significant differences between the corpora in omissions. However, the data showed a significant similarity in that the omission of relative verbs, auxiliary verbs, articles, conjunctions and pronouns in the MNHC, as seen in the GNHC.
Reduction of Graphene Oxide and its Effect on Square Resistance of Reduced Graphene Oxide Films
Zhaoxia Hou,Yin Zhou,Guangbin Li,Shaohong Wang,Meihan Wang,Xiaodan Hu,Siming Li 대한화학회 2015 Bulletin of the Korean Chemical Society Vol.36 No.6
Graphite oxide was prepared via the modified Hummers’ method and graphene via chemical reduction. Deoxygenation efficiency of graphene oxide was compared among single reductants including sodium borohydride, hydrohalic acids, hydrazine hydrate, and vitamin C. Two-step reduction of graphene oxide was primarily studied. The reduced graphene oxide was characterized by XRD, TG, SEM, XPS, and Raman spectroscopy. Square resistance was measured as well. Results showed that films with single-step N2H4 reduction have the best transmittance and electrical conductivity with square resistance of ~5746 Ω/sq at 70% transmittance. This provided an experimental basis of using graphene for electronic device applications.