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태권도 수련생 학부모의 참여요인 및 수련 기대 만족도에 대한 연구
전정우(Jeon Jeong-Woo),정현호(Jeong Hyun-Ho) 한국체육과학회 2008 한국체육과학회지 Vol.17 No.2
The purpose of this study was to examine whether the demographic characteristics of parents whose children learned taekwondo made any differences to what made them decide to let their children learn it (hereinafter called motivation) and their satisfaction level with that decision. It's meant to seek effective ways of managing taekwondo training centers to keep up with changing circumstances around that. The subjects in this study were 443 parents selected by probability sampling from among people who resided in the city of Cheongju as of 2007. Their preschool and school-aged children got training in taekwondo. For data handling, SPSS 12.0 for Windows program was employed to make a frequency analysis, factor analysis, t-test and one- way ANOVA, and LSD posttest was conducted to look for any possible significant intergroup gaps. The findings of the study were as follows: 1) Relationship of Demographic Characteristics to the Motivation (1) The motivation of the parents was statistically significantly different according to age. (2) The motivation of the parents was statistically significantly different according to education. (3) The motivation of the parents was statistically significantly different according to occupation. (4) The motivation of the parents was statistically significantly different according to their children's gender. 2) Relationship of Demographic Characteristics to Satisfaction Level (1) Their age made a statistically significant difference to their satisfaction level. (2) Their academic level made a statistically significant difference to their satisfaction level. (3) The grade of their children made a statistically significant difference to their satisfaction level. The above-mentioned findings illustrated that in terms of the factors of letting children undergo training in taekwondo, satisfaction level with gym facilities, marketing and educational programs varied statistically significantly with age, academic background and occupation respectively, and the satisfaction level with marketing differed statistically significantly with child gender as well. In terms of expected satisfaction, whether taekwondo training satisfied their expectations in terms of social activities differed statistically significantly with age, and whether that met their expectations in terms of self-development was statistically significantly different according to academic credential. Whether that came up to their expectations in terms of social activities differed statistically significantly with child grade. The findings on taekwondo training among students are expected to serve as an opportunity to bolster the management and P.R. of taekwondo halls and to boost the promotion and growth of taekwondo as one of national sports
마우스 및 랫드에서 botulinum toxin type A의 단회 및 28일 반복투여 독성시험
전태원,김지영,현선희,김남희,이상규,김춘화,우희동,양기혁,정현호,정태천,Jeon, Tae-Won,Kim, Ji-Young,Hyun, Sun-Hee,Kim, Nam-Hee,Lee, Sang-Kyu,Kim, Chun-Hwa,Woo, Hee-Dong,Yang, Gi-Hyeok,Jung, Hyun-Ho,Jeong, Tae-Cheon 대한수의학회 2003 大韓獸醫學會誌 Vol.43 No.1
Single and 28-day repeated dose toxicity studies of botulimnn toxin type A were carried out in ICR mice and Sprague-Dawley rats, respectively. In the single dose toxicity study, botulinwn toxin was injected intraperitoneally to male and female mice at a single dose of 40, 59, 89 133 and 200 ng/10 ml saline/kg. All animals died from 59 ng/kg group. Some clinical signs, such as decrease in locomotor activity, dyspnea, prone position and ptosis, were observed in most of both sexes from 59 ng/kg group, but no signs were seen in all animals at 40 ng/kg group. The results showed that the median lethal dose of botulinum toxin might be in the range of 40-59 ng/kg in both sexes. In the repeated dose toxicity study, the test material was administered intradermally for 28 days at doses of 0 (vehicle-treated control), 1.25, 2.5, 5.0 and $10.0ng/head/50{\mu}{\ell}$ saline in male and female rats. No test material-related changes were noted in survivals, clinical signs, food and water consumptions and gross finding in any group. Botulinum toxin treatment significantly decreased the body weight gain rate in male of 5.0 ng/head group and over and in female of 10.0 ng/head group compared to vehicle-treated control. One or more relative organ weights (i.e., spleen, thymus, liver and kidney) were increased significantly from 5.0 ng/head group compared to vehicle-treated control in both sexes. Serum biochemistry revealed increases in aspartate aminotransferase (AST), alanine aminotransferase (ALT), creatine phosphokinase, total protein and albumin in male, and increases in AST and ALT and decreases in $K^+$ and $Cl^-$ in female without dose-pendent manners. In the histopathological study, physical stimulation by needle caused slight inflammations of dennis. In addition, botulinum toxin treatment induced denervation of nerve cell and disuse of muscle, resulting in atrophy of skeletal muscle in both sexes from 2.5 ng/head group. When the antibodies to toxin were determined in all animals, a significant increase in serum antibodies was observed from 5.0 ng/head group. The results showed that the NOAEL of botulinum toxin might be 1.25 ng/head for 28-day repeated dose toxicity in rats.
군평선이, Hapalogenys mucronatus의 형태 및 골격
민재원(Jae Won Min),윤빛나(Bit Na Youn),한경호(Kyeong Ho Han),김선재(Seon Jae Kim),정현호(Hyun Ho Jeong),황재호(Jae Ho Hwang),이성훈(Sung Hun Lee),라성주(Sung Ju Rha) 전남대학교 수산과학연구소 2012 수산과학연구소논문집 Vol.20 No.-
농어목 하스돔과에 속하는 군평선이의 형태 및 골격을 조사하기 위하여 2008년 4월부터 2008년 6월까지 여수 금오도 주변 해역에서 새우조망에 채포된 어체를 여수 군내리 어판장에서 구입하였다. 표본의 형질을 조사하기 위하여 외부형태를 관찰 한 후 계수ㆍ계측하였으며, 골격의 형태는 삶아서 채골하여 관찰하였다. 군평선이의 외부형태는 몸이 황갈색 바탕에 너비가 넓은 6개의 암갈색 가로줄 무늬가 있으며, 가장 앞의 줄무늬는 눈을 가로 지르고 가장 뒤의 줄무늬는 미병부에 위치하였다. 등지느러미 줄기수는 극조가 11개, 연조가 16~17개였고, 뒷지느러미는 극조가 3개, 연조가 10개였으며, 가슴지느러미는 연조 17~18개, 배지느러미는 극조가 1개, 연조가 5개, 꼬리지느러미 줄기수가 17~18개였다. 두개골을 등쪽에서 보았을 때 형태는 뱀의 머리를 닮아 있고 앞뒤로 길게 늘어져 있으며 앞쪽은 다소 오목한 형태를 띤다. 전상악골은 상행돌기의 위 가장자리는 비교적 넓고 뭉툭하며, 후반부에도 후상행돌기가 있고, 전상악골이 치골보다 조금 더 길며, 이빨이 발달되어 있다. 전새개골은 앞부분이 두텁고 반달모양을 하며, 뒤 부분에는 톱니모양의 날카로운 돌기가 있다. 새궁부에서 새조골은 5개로 이루어져 있고 길이가 길고 두터우며, 각설골과 하설골에 연결되어 있다. 견대부의 상쇄골과 쇄골은 T-자형으로 연결되어 있고, 척추골의 복추골은 9개, 미추골은 총12개이며 각 추체들은 돌기가 있어 견고하게 결합되어 있다. The Belted beard grunt, Hapalogenys mucronatus of the family Pomadasyidae were colleted by Guem-o-do coastal in Yeosu, April~June 2008. This species is color of the body; covered with graybrown and the line on the body is black color. Dosal fin rays 16~17; pectoral fin rays 17~18; anal fin rays 10; caudal fin rays 17~18; ventral fin rays 5. Measurement for ten specimen (144~154mm SL) in hundredths of standard length; head length 33.3%; pectoral fin length 24.4%; dosal fin length 28.6%; caudal peduncle length 15.3%; caudal peduncle depth 13.4%. Skull is looks like snakes head, long and the front of concave. premaxillary dge of bumps is comparatively wide and the latter half premaxillary. premaxillary is dentray than to long. The preopercle has thick semicircular front part and sharp bump at rear. The branchiostegalray is composed thick and long five bones, and connected the ceratohyal and hypohyal in operculum. The supracleithrum and cleitrum are connected T-shape in the shoulder girdle. Nine abdominal and twelve caudal vertebrae are strongly combined and each centrum has bump in vertebrae.