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A Study on the Establishment of Destination Image through Mass Media
Hwang,Kyu-sung,Baik,Yu-kyung,Moon,Hye-young 세계문화관광학회 2007 Conference Proceedings Vol.8 No.0
As the products of mass media, such as drama, movies, and commercial advertisements have grown and entertained us, they induced people to visit the locations where they were filmed. However, little has been known what effects in movies or television-induced locations on tourism. The purpose of this study is to investigate the effects of the products of mass media on tourism through locations induced by dramas, movies, and commercial advertisements. More specially, this study examined the relationships between the perceptions of movies or television-induced affective response, the perceptions of movies or television-induced attributes and movies or television-induced destination images on tourism. Findings suggest that if audiences enjoy delightful movies, they will feel destination images with fun and delightfulness when they visit the location scene. Also, the results suggest that if dramas and movies gain in public favor, the location where they are filmed will become a new and fantastic destination to people.
Agrobacterium rhizogenes 에 의하여 형질전환된 인삼 ( Panax ginseng C. A. Meyer ) 의 모상근 배양에 의한 Saponin 생산
황백(Baik Hwang),고경민(Kyeong Min Ko),황경화(Kyeong Hwa Hwang),황성진(Sung Jin Hwang),강영희(Young Hee Kang) 한국식물학회 1991 Journal of Plant Biology Vol.34 No.4
Cultures of hairy root induced from ginseng(Panax ginseng C.A. Meyer) transformed with Agrobacterium rhizogenes (strain A_4, ATCC 15834) were established and morphologically two different hairy root strains (HB1, HB2) were obtained. To determine the optimum growth rate, the hairy root (HB2) was cultured in various liquid medium supplemented with or without plant growth hormone. The growth rate of hairy root cultured on MS medium was 1.3-3.1 times higher than those cultured on other media, and the optimum sucrose concentration and pH were 3-6%, 5.5-6.5, respectively. Also, the growth rate of hairy root was increased when 0.02 M ammonium nitrate, 1.2 mM potassium phosphate (monobasic) and 0.5 mg/l IBA were supplied to liquid medium. The saponin patterns and contents of hairy root (HB2) were determined by TLC and HPLC. The crude saponin contents were 4.67% and the total saponin contents were 1.0%, on dry weight basis.
도라지(Platycodon grandirorum) 뿌리조직에서 고농도 함유 모상근의 유도 및 배양
Hwang, Baik 한국식물학회 1995 Journal of Plant Biology Vol.38 No.4
Hairy roots of Korean ballon flower (Platycodon grandiflorum A. DC) were induced from the root tissues infected with Agrobacterium rhizogenes ATCC 15834. Growth and polyacetylene [lobetyol (1), lobetyolin (2) and lobetyolinin (3)] production fo ten hairy root clones cultured in 1/4 Gamborg B5 (B5) liquid medium were determined. One selected hairy root clone (D6) grew well in hormone free-B5 liquid medium and showed maximum content of polyacetylenes at week 6 for 1 (0.375% dry wt) and at week 7 for 2 and 3 (3.030% and 0.206% dry wt, respectively) whose levels were much higher than those of the intact plant root (1:0.019%, 2:0.077% dry wt, 3 was not detected).
Hwang, Ok-Jin,Kim, Yu-Jeong,Sung, Nak-Sul,Ahn, Jun-Cheul,Kim, Sik-Eung,Hwang, Baik The Korean Society of Medicinal Crop Science 2002 한국약용작물학회지 Vol.10 No.4
The effects of basal media, carbon, nitrogen, phosphate and some major macro elements on growth and shikonin production in Lithospermum erythrorhizon hairy root culture were studied. Among examined media, growth of hairy root cultured in B5 liquid medium was rapid, whereas shikonin production was high in MS liquid medium. Under B5 basal medium, sucrose concentration for optimal growth and shikonin production was 9% and 4% respectively. The growth and shikonin production on pH changes in B5 medium resulted little effect in pH 5.8 to pH 8.8 ranges, whereas growth was decreased dramatically in both above 8.8 and under 5.8. Nitrogen source and concentration effected on the growth and shikonin production. The highest growth rate was in B5 medium (50 mM $KNO_3$ and 1 mM $NaH_2PO_4)$, whereas the highest shikonin production was in the condition supplemented with 5 mM $KNO_3$ and 10 mM $NaH_2PO_4$.
An Efficient In vitro Propagation of Zanthoxylum piperitum DC.
Hwang, Sung-Jin,Hwang, Baik The Korean Society of Medicinal Crop Science 2003 韓國藥用作物學會誌 Vol.11 No.4
A protocol is described for rapid multiplication of Zanthoxylum piperitum DC. (Rutaceae), an important aromatic and medicinal plant, through shoot-tip explant cultures. Murashige and Skoog (MS) medium supplemented with various concentrations of N-6-benzyladenine (BA), N-6-benzylaminopurine (BAP) and thidiazuron (TDZ), in single or in combination with ${\alpha}-naphthaleneacetic$ acid (NAA), was used to determine the rate of shoot proliferation. N-6-benzyladenine (BA) used at 0.5mg/l, was the most effective in initiating multiple shoot proliferation at the rate of 23 microshoots per shoot-tip explants after 40 days of culture. Shoot multiplication increased 1.2-fold in each successive subculture. Induction of rooting (98%) was achieved by transferring the shoots to the same basal medium containing 2 mg/l indole-3-butyric acid (IBA). Plantlets went through a hardening phase in a controlled growth chamber, prior to in vivo transfer. These results represented that possible application for the mass production of plantlets through in vitro culture system of Zanthoxylum piperitum DC.
Adsorption of Benzenethiol and 1,4-Benzenedithiol on the Si(111)-7 X 7 Surface
Jaeyoon Baik,박종윤,Bongsoo Kim,Chan-Cuk Hwang,Han-Na Hwang,Jong Yeol Ahn,Jungwoon Park,Ki-Seok An,Minkook Kim 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.50 No.3
Benzenethiol- and 1,4-benzenedithiol-adsorbed Si(111)-7~$\times$~7 surfaces were studied by using scanning tunneling microscopy and synchrotron radiation photoemission spectroscopy, which showed that benzenethiol molecules were adsorbed on Si adatoms with upright structures and 1,4-benzenedithiol molecules on two adjacent Si adatoms with a bridging structure. At the initial stage, the adsorptions can be understood by a dissociative process between sulfur and hydrogen on the Si atoms. Here, sulfur bonds to the electrophilic adatoms while hydrogen bonds to neighboring nucleophilic restatoms. On the other hand, this adsorption mechanism during the initial stage does not apply at higher exposures of molecules, as is noticed from the photoemission spectra. Benzenethiol- and 1,4-benzenedithiol-adsorbed Si(111)-7~$\times$~7 surfaces were studied by using scanning tunneling microscopy and synchrotron radiation photoemission spectroscopy, which showed that benzenethiol molecules were adsorbed on Si adatoms with upright structures and 1,4-benzenedithiol molecules on two adjacent Si adatoms with a bridging structure. At the initial stage, the adsorptions can be understood by a dissociative process between sulfur and hydrogen on the Si atoms. Here, sulfur bonds to the electrophilic adatoms while hydrogen bonds to neighboring nucleophilic restatoms. On the other hand, this adsorption mechanism during the initial stage does not apply at higher exposures of molecules, as is noticed from the photoemission spectra.
황백 ( Baik Hwang ),김미경 ( Mee Kyung Kim ),( I . K . Vasil ) 한국식물학회 1988 Journal of Plant Biology Vol.31 No.1
Several cultivars of rice were examined for induction of embryogenic callus on a medium containing MS salts, vitamins and 2,4-D under darkness. Embryogenic callus was obtained from cultivar Cheonma with high ratio and embryo-like structures were formed from the callus on a medium with or without reduced 2,4-D. Somatic embryoids with a plumule and radicle axis surrounded by a scutellum were observed. These embryoids germinated and produced plantlets in 30 days on the same medium. Protoplasts isolated from an embryogenic cell suspension culture derived from embryogenic callus were cultured either in liquid or in agar medium and protoplast derived cell colonies were obtained in 3-4 weeks.