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청소년들의 이종격투기에 대한 미디어 시청동기가 시청태도와 행동에 미치는 영향
공성배(Seong Bae Kong),성낙훈(Nak Hun Seong),배상일(Sang Il Bae),방환복(Whan Bog Bang),이원희(Won Hi Lee) 한국사회체육학회 2007 한국사회체육학회지 Vol.0 No.31
The purpose of this study is to investigate the effects of teenagers` viewing motivation of the mixed martial arts program on viewing attitude and viewing behavior. For this study, teenagers who have seen the mixed martial arts program in Sung-nam and Young-in City were selected as the population. Then, 336 teenagers chosen by systematic stratified cluster random sampling were analyzed. Exploratory Factor Analysis, Reliability Analysis and Multiple Regression were conducted by SPSS Window 12.0. The results were as follows:First, there were statistically significant differences in viewing attitude and viewing behavior according to the gender. Second, there were no statistically significant differences in viewing attitude and viewing behavior according to the school years. Third, there were statistically significant differences in viewing attitude and viewing behavior according to the viewing time. Fourth, there were statistically significant differences in viewing attitude and viewing behavior according to the viewing period. Fifth, it was found that viewing motivation significantly influences viewing attitude and explains 69.2%(R2=.268) of the variance. Vicarious satisfaction, entertainment pursuit motivation, time consuming motivation, and social exchange motivation which are subordinate constructs of viewing motivation have significantly a positive effect on viewing attitude in the order. Sixth, it was found that viewing motivation significantly influences viewing behavior and explains 69.3%(R2=.268) of the variance. Time consuming motivation, entertainment pursuit motivation, vicarious satisfaction, and social exchange motivation which are subordinate constructs of viewing motivation have significantly a positive effect on viewing behavior in the order. However, information pursuit motivation have significantly a negative effect on viewing behavior.
ON MATHEMATICAL TO NONLINEAR(曲線) KINETICS WITH INTRAMASS DIFFUSION UNIMOLECULAR REACTION
Won, You-Sung,Yoon, Ryong-Soo,Jeong, Il-Hyun,Kang, Shin-Choon,Ham, Young-Min,Kang, Doo-Whan,Lee, Chul-Tae,Ma, Young-Dai,Choi, Nak-Mann,Moon, Sei-Ki,Kim, Hyung-Jin,Park, Kyung-Ai,Lee, Chang-Ou,Chun, Bu 단국대학교 대학원 1989 學術論叢 Vol.13 No.-
Equations to mass transfer with nonlinear kinetics from Langmuir-Hinshelwood model or so were thought in this article. We used the perturbation method with simplified Taylor expansion method to attain the solution semianalytically. We even carried out the comparison in effectiveness factor by both. For numerical solution, we introduced Gauss-Siedel method, for the method had been rarely used. Unimolecular recation having Langmuir-Hinshelwood model wass a sample. We perceived the perturbation method to be useful for the q<10 or q>5 in the mode d^2Θ/dN^2 = Ø^2Θ/1+qΘ We, on the other hand, attained the solution without difficulty from the simplified method.
Repeated dose 90-day oral toxicity of 20nm, positive charged Zinc Oxide Nanoparticles in SD rats
Nak-Won Seong,Eun-Ho Maeng,Su-Hyun Kim,Jin-Hee Lee,Sung-Sup Shin,Jun-Ho Kim,Taek-Jin Lee,Seon-Ju Kim,Hak-Su Park,Sang-Bum Koh,Eun-Jeong Lee,Yu-Ri Kim,Meyoung-Kon Kim 한국실험동물학회 2013 한국실험동물학회 학술발표대회 논문집 Vol.2013 No.2
Sung Chul Shin,Soo-Jung Lee,Sung Joong Lee,Jong Il Chung,Dong Won Bae,Soo Taek Kim,Nak-Ju Sung 한국식품과학회 2009 Food Science and Biotechnology Vol.18 No.6
The seed coat of the black soybean contains 3 main anthocyanins such as delphinidin-3-O-β-glucoside, cyanidin-3-O-β-glucoside, and petunidin-3-O-β-glucoside. As a part of our effort on discovering and breeding new black soybean cultivars which possesses specific anthocyanin component rich, we determined the anthocyanin profiles of the 2 cultivars recently developed soybean cv. Gaechuck #1 and cv. Gyeongsang #1, using liquid chromatography-tandem mass spectrometry (LC-MS/MS) and compared their content and identity with those of previously known 10 cultivar controls. The Cosmosil-5C₁?-AR-Ⅱ column were selected for the analysis because of the best peak separation. The column temperature was set up at 35℃. The mobile phase consisting of water containing 0.5%(v/v) formic acid and methanol gave good separation between the 3 anthocyanin analytes and internal standard (quercetin 3-O-β-rutinoside) and peaks with suppressed tail. The MS/MS spectra of each individual anthocyanin standard were detected in positive electron spray ionization (ESI) modes. It was disclosed that the anthocyanin contents of the soybean cv. Gaechuck#1 and cv. Gyeongsang#1 are roughly higher than those of the 10 controls.
Assessment of cervical cancer screening policy in women aged older than 65 years in Korea
( Sang Hoon Lee ),( Ye Won Chung ),( Jin Hwa Hong ),( Jae Kwan Lee ),( Nak Woo Lee ),( Jae Yun Song ) 대한산부인과학회 2012 대한산부인과학회 학술대회 Vol.98 No.-
Updated US guidelines recommend that women aged older than 65 years with evidence of adequate negative prior screening do not require cervical cancer screening. There is no guideline about the appropriate timing and conditions to stop cervical cancer screening in Korea. The purpose of this study was to evaluate the value of cervical cancer screening test in women >65 and to assess the potential age of stopping screening in old women The data of 999 women who underwent cervical cancer screening test followed by coloposcopy at the University hospital from January 2007 to May 2012 were evaluated retrospectively. The mean age was 45.5±13.7 (range: 14-80). Age groups were classified as <21 (n=11), 21-29 (n=128), 30-65 (n=768), and >65 (n=92) and there was no difference in the pathologic results of 65. There was significant higher incidence of cancer compared with ≤CIN3 in women >65 (13.0%) vs. ≤65 (6.6%) (p=0.037). Subjects were further categorized into five age groups (≤55 vs >55, ≤60 vs >60, ≤65 vs >65, ≤70 vs >70, and ≤75 vs >75) to create a cutoff age in terms of the ≤CIN3 vs. cancer, which identified that the cancer incidence was different until the age of 65 but not age over 70. Cervical cancer screening is necessary in women > 65 due to the higher incidence of cervical cancer compared with ≤CIN3. The ratio of higher incidence of cancer was disappeared at the age of 70. New guideline with the appropriate timing and conditions to stop screening should be considered in Korea.