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Daily Intake of Fluoride on Foods for Children in Daegu
SangSuk Lee,KyungHee Song,Yunhui Lee 대한예방치과학회 2015 International Journal of Clinical Preventive Denti Vol.11 No.1
Objective: The author has analyze the daily intake foods for preschool children and children, in order to measure the daily amounts of fluoride through food or toothbrushing. 90 young preschool and 90 school children were participated in this study by recording 5 days diet diary with the help of their parents. Methods: The average daily food intake was calculated and the fluoride amounts included in each food was examined through the past 5 reports. Fluoride amounts estimated by daily water intake and toothbrushing with dentifrice contaminated with 500 ppmF, were considered. Total amounts of daily fluoride by intake for young children and school children were estimated, in order to suggest to recommend the fluoride deficiency amount for prevention of dental caries as well as for helping growth and development. Results: Average 167.30±2.92 mgF (0.167 mgF) was estimated for preschool children and 314.27±13.10 mgF (0.314 mgF) for school children in non-water fluoridated area. There was a significant difference in average amount of fluoride intake, between in preschool children and school children (p<0.05). Condulusion: 1. It was estimated that the average 167.30±2.92 mgF (0.167±0.292 mgF) in young children and 314.27±13.10 mgF (0.314±0.131 mgF) were intake through the diet, water and tooth brushing, daily, and there was significantly different the amounts intake by young children and by school children, statistically (p<0.05). 2. It was estimated that the daily deficient amount of fluoride was 0.53 mg in young children and 1.18 mgF in school children. So, it needed some fluoride supplements for them, in order to contribute the caries prevention as well as for growth and development
Intrinsic Motivation: Implications for Physical Educator
Sangsuk. Yoo 호서대학교 기초과학연구소 2014 기초과학연구 논문집 Vol.22 No.1
A goal for all physical educator is to increase student’s motivation to engage in, and enjoy regular physical activity. Enhancing students’ intrinsic motivation is an effective approach to foster participation in physical activity. The purpose of this paper is to address implications of intrinsic motivation that physical educator should consider when they teach. Physical educators play a significant role in shaping the class environment to promote intrinsic motivation. Physical educators should concern (1) how to develop conceptual understanding on learning task, (2) how to allow students the freedom to make choice, (3) how to evaluate performance, not students, (4) how to modify difficulty level of learning task, (5) how to communicate teacher expectation to students. Continuous effort of physical educators to raise the level of students intrinsic motivation would bring great effect on development of positive attitude that promote voluntary participation on physical education throughout their life span.
The Case for Split Unaccusativity Hypothesis
Oh, Sangsuk 서울대학교 어학연구소 2005 語學硏究 Vol.41 No.1
The purpose of this paper is to review the previous treatments of English unaccusative verbs in English syntactic theories and to propose a new hypothesis, in which the conventional unaccusatives should be split into unaccusatives proper (i.e., unaccusatives) and unaccusative hybrids (i.e., ergatives). To make a case for the split unaccusativity hypothesis, ergatives are redefined in terms of four syntactic and semantic properties, and supporting evidence from the areas of syntax, lexical semantics, and psycholinguistics is presented. The projected theoretical relevance is that the separate treatment of unaccusatives and ergatives will help to resolve some issues in the puzzle of unaccusatives and mismatches, as well as contribute to highlighting the interface between syntax and semantics in explaining linguistic phenomena.
Fixed Points Theorems of Families of Maps
YIE,SANGSUK,PARK,BONGMOO 崇田大學校 1983 論文集 Vol.13 No.1
In this paper, we obtained the following main result as an application of Jungck's Theorem: Let (X, d) be a complete metric space and F a uniformly asymptotic contraction on X, then F has a unique fixed point.