• Title/Summary/Keyword: total coordination

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Study fo the Characteristics Analysis of Laboratory Chemical Accidents (실험실 화학사고 특성 분석에 관한 연구)

  • Lee, Tae-Hyung;Lee, Deok-Jae;Park, Joong-Don;Shin, Chang-Hyun
    • Fire Science and Engineering
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    • v.30 no.3
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    • pp.110-116
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    • 2016
  • The major aim of this study was to provide information on the chemical accidents that occurred in laboratories over the last 3 years. The total incidence of laboratory chemical accidents was 30 cases; 25 cases occurred at educational institutions. Most accidents (19 cases) occurred due to spills and leaks. The main cause of the accidents analyzed was worker carelessness (21 cases). Twenty-two accidents were related to hazardous chemical substances. In addition, general chemical substances as well as waste liquid contributed 26% to the incidents related to the laboratory. Among the 22 hazardous chemical substances involved in laboratory chemical accident, 67% of accident substances were accident preparedness substances.

Supply Chain Coordination for Perishable Products under Yield and Demand Uncertainty: A Simulation Approach (수요와 수율의 불확실성을 고려한 공급망 조정)

  • Kim, Jin Min;Choi, Suk Bong
    • Journal of Korean Society for Quality Management
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    • v.46 no.4
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    • pp.959-972
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    • 2018
  • Purpose: This study developed a simulation model that incorporates the uncertainty of demand and yield to obtain optimized results for supply chain coordination within environmental constraints. The objective of this study is to examine whether yield management for perishable products can achieve the goal of supply chain coordination between a single buyer and a single supplier under a variety of environmental conditions. Methods: We investigated the efficiency of a revenue-sharing contract and a wholesale price contract by considering demand and yield uncertainty, profit maximizing ratio, and success ratio. The implications for environmental variation were derived through a comparative analysis between the wholesale price contract and the revenue-sharing contract. We performed Monte Carlo simulations to give us the results of an optimized supply chain within the environments defined by the experimental factors and parameters. Results: We found that a revised revenue-sharing contracting model was more efficient than the wholesale price contract model and allowed all members of the supply chain to achieve higher profits. First, as the demand variation (${\sigma}$) increased, the profit of the total supply chain increased. Second, as the revenue-sharing ratio (${\Phi}$) increased, the profits of the manufacturer gradually decreased, while the profits of the retailer gradually increased, and this change was linear. Third, as the quality of yield increased, the profits of suppliers appear to increased. At last, success rate was expressed as the profit increased in the revenue-sharing contract compared to the profit increase in the wholesale price contract. Conclusion: The managerial implications of the simulation findings are: (1) a strategic approach to demand and yield uncertainty helps in efficient resource utilization and improved supply chain performance, (2) a revenue-sharing contract amplifies the effect of yield uncertainty, and (3) revised revenue-sharing contracts fetch more profits for both buyers and suppliers in the supply chain.

The Perception of Gorpcore Look Using Big Data (빅 데이터를 활용한 고프코어 룩에 대한 인식)

  • Ji-Woo Kim;Jeong-Mee Kim
    • Journal of the Korea Fashion and Costume Design Association
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    • v.25 no.4
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    • pp.77-92
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    • 2023
  • The purpose of this study is to investigate the public perception of Gorpcore through Big Aata analytics. The study was conducted based on the collection of Big Data on the word 'Gorpcore' through Textom from July 24, 2017 to March 31, 2023. As a result, 63,386 words were collected from a total of 18,879 posts, and the top 50 words were determined based on frequency of appearance. Based on the collected words, centrality measures and CONCOR algorithm were performed in Ucinet 6. The research results are as follows. 1) The frequency of appearance was high in the order of 'Gorpcore look', 'fashion', 'coordination', 'clothes', 'outdoor', 'Musinsa', 'look', 'trend', 'brand' and 'ahjussi (middle-aged old man in Korean)'. These words had high TF-IDF scores, which leads to the conclusion that these are key words that are recognized as important. 2) Network centrality shows that 'Gorpcore look', 'fashion', 'outdoor', 'coordination', 'clothes', 'trend', 'look' and 'style' have a high correlation with other words. Through this, it was found that the public thinks it is important to create a variety of fashions by styling high-performance outdoor wear and casual wear, and that they are highly interested in clothes and in brands leading the Gorpcore trend. 3) As a result of the CONCOR algorithm, four significant groups were formed. The words that appear in each group are as follows. Group 1 - 'outdoor', 'Gorp', 'Normcore', 'hiking', 'functionality', 'new', 'sports', 'casual wear', 'activity', 'generation', 'collaboration'. Group 2 - 'fashion', 'trend', 'look', 'brand', 'style', 'shoes', 'ugly', 'item', 'trend', 'product', 'Salomon', 'padded jacket', 'stylishness', 'utilization', 'Winter', 'street', 'design', 'retro', 'popular', 'styling'. Group 3 - 'Gorpcore look', 'coordination', 'Musinsa', 'windbreaker', 'recommendation', 'Arcteryx', 'pants', 'man'. Group 4 - 'clothes' 'ahjussi', 'jacket', 'launching', 'spring', 'The North Face', 'collection', 'utility', 'jumper'. As a result, it can be seen that the Gorpcore is also regarded as a part of outdoor, fashion, coordination, and casual wear.

A Study on Visual Merchandising Effectiveness: Focused on the Differences in Effectiveness according to Merchandise Class (비주얼 머천다이징 효과에 관한 연구: 복종에 따른 효과차이를 중심으로)

  • Park, Hyun-Hee;Jeon, Jung-Ok
    • Fashion & Textile Research Journal
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    • v.13 no.2
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    • pp.215-225
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    • 2011
  • The purpose of this study is to identify the differences in persuasive effectiveness of visual merchandising according to merchandise class. For the experiment, 8 stimuli brands were selected. A total of 360 questionnaires were obtained from college students. The results were as follows. First, VM cognition were divided into 3 factors by confirmatory factor analysis: coordination, attractiveness, and function. Second, coordination and function had a positive effect on brand attitude. Third, brand attitude had a positive impact on brand loyalty. Fourth, it was revealed that merchandise class had a moderating role in the influence of VM cognition on brand attitude. This study has a meaning in that the theoretical extension of previous studies on VM was executed and demonstrated the moderating role of merchandise class when brand attitude was formed by VM cognition.

Estimation of Economical Efficiency in Multi-Echelon Inventory System through Coordination of Inventory Replenishment Period (재고보충주기의 조정을 통한 다단계 재고시스템의 경제성 평가)

  • Kim, Myeong-Hun;Kim, Byeong-Gon
    • Proceedings of the Korea Society of Information Technology Applications Conference
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    • 2007.05a
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    • pp.198-208
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    • 2007
  • Recently business enterprises have forced to face in fierce competition in today's global markets due to the short life cycles of products and the higher expectation of customers. Together with continuing advances in communications and transportation technologies, these environments have motivated the continuous evolution of the supply chain and the management techniques. This paper consider three-echelon inventory system which consist of one manufacturer, one distributor and N retailers for a single product under assumption of constant demand. This paper propose the inventory replenishment period using heuristic method and order policy through coordination of inventory replenishment period. The simulation results show that decrease the total cost of the three-echelon inventory system.

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A LONGITUDINAL STUDY ON THE GROWTH COORDINATION BETWEEN CRANIOMAXILLARY COMPLEX AND MANDIBLE OF CHILDREN FROM 6 TO 12 YEAR OF LIFE ($6\~12$세 아동에 있어서 상하악 성장 양상의 비교에 대한 연구)

  • Jang, Byung-Ryang;Park, Young-Chuel
    • The korean journal of orthodontics
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    • v.16 no.1
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    • pp.145-154
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    • 1986
  • The purpose of the present study was to investigate the coordination and correlation of growth pattern between craniomaxillary complex and mandible, and among the craniofacial region, body-weight and stature. 14 boys and 16 girls between 6 and 12 years of age were used in this study. The result were as follows; 1. Total increments and maximum increment in mandible is higher than in oraniomaxillary complex during given period and no significant sexual difference existed. 2. The annual growth of craniofacial region did not assume an aspect of constant growth, periodically. 3. Craniofacial growth pattern was interrelated with stature more than with body-weight. 4. The growth behavior of body-weight and stature coincided with the growth of craniofacial region or preceded it in time.

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Effects of Food Consumption Monitoring Using a Camera-Phone on Body Weight and Serum Lipid Level in Obese Female College Students (비만여대생을 대상으로 카메라폰을 이용한 음식섭취 모니터링 강화에 의한 체중 및 혈청지질 감소 효과)

  • Kim, Young-Suk;Kim, Yun-Joo;Hong, In-Sun;Kim, Seon-Hee;Chang, Un-Jae
    • Journal of the Korean Dietetic Association
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    • v.18 no.2
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    • pp.115-125
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    • 2012
  • This study was conducted to investigate the effects of food consumption monitoring using a camera-phone in a weight control program. Twenty-six female college students (>30% body fat) were randomly assigned to the camera-phone and diary (CD) group or diary (D) only group. During the 8-week weight control program, the CD group controlled their food consumption using a camera-phone, in which they took a food picture and uploaded it to the homepage. However, the D group used only a diary to record their food intake. The mean energy intake of the CD group during the program was 1451.9 kcal while that of the D group was 1524.3 kcal. The total energy intakes of both groups significantly decreased during the program. The CD group lost 5.2 kg of body weight and 3.1% body fat while the D group lost 2.2 kg of body weight and 1.1% body fat. The body weight and fat levels significantly decreased in the CD group compared to the D group. The triglyceride, total-cholesterol and LDL-cholesterol levels of the CD group as well as the total-cholesterol level of the D group significantly decreased during the program. The total-cholesterol and LDL-cholesterol levels both significantly decreased in the CD group compared to the D group. In this study, it was concluded that digital photography method using a camera-phone might influence weight control through trained consumption monitoring, which helps individuals reduce discrepancies between perceived and actual consumption levels.

Analyzing Coordination of Theory and Evidence Presented in Pre-service Elementary Teachers' Science Writing for Inquiry Activities (예비 초등교사의 과학 탐구 글쓰기 활동에서 나타난 이론과 증거의 조정 과정 분석)

  • Lee, Sun-Kyung;Lee, Gyu-Ho;Choi, Chui-Im;Shin, Myeong-Kyeong
    • Journal of The Korean Association For Science Education
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    • v.32 no.2
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    • pp.201-209
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    • 2012
  • This study aims to explore patterns and characteristics of coordination between evidence and theories which were found in pre-service elementary teachers' writing for their science inquiry. Five science inquiry activities and a total of 115 writings of the participant teacher at the elementary teacher preparation university in Korea were collected and analyzed for this study. Based on the writing analyses there were found four types of coordination between the evidence and theory. We proposed four types as: Type 1-Consistency of evidence and theory; Type 2-Consistence of evidence and theory including more extension or elaboration of theory; Type 3-Inconsistence of evidence and theory Type 4-Inconsistence of evidence and theory followed by coordination of them. Firstly the findings indicated that the most to least frequent types were Type 1, Type 3, Type 2, and Type 4. The most frequent type was Type 1. It is interpreted that theory in the inquiry questions were frequently figured out by participants and they selected supporting evidence out of data found. There were rarely found relations between activity topics and frequencies of coordination types except in activity 1. The findings in this study will connect to the point of how students collaborate their previously owned knowledge with experiment planning, data analysis and interpretation and making of their own scientific claims.

A Systematic Review of the Bimanual Intensive Training to Improve Bilateral Coordination for Children With Hemiplegic Cerebral Palsy (편측 뇌성마비 아동(hemiplegic cerebral palsy)의 양손 협응 향상을 위한 집중적 양손활동훈련에 관한 체계적 고찰)

  • Byun, Eun-Jin
    • Therapeutic Science for Rehabilitation
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    • v.4 no.1
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    • pp.7-17
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    • 2015
  • Objective : To investigate the current researches which identify the improvement of bilateral coordination skill of children with hemiplegic cerebral palsy after bimanual intensive training. Methods : We systematically examined papers published in journals from 2004 to 2014, using RISS, Pubmed. Total 6 studies were included in the analyses. Result : All of the selected 6 studies were foreign papers, and the Pedro score was 5 or more. Among various interventions, modified CIMT designs were the most. The primary outcome measure tools are AHA and JTTHF for evaluating bilateral coordination and hand functions, and QUEST, ABILHAND-Kids, COPM, GAS, PEDI, 3-D movement kinematics were used for evaluating various aspects of effectiveness of interventions. Conclusion : Through this systematic review, it is identified that bilateral intensive training provides positive effects to not only hand functions but also bilateral coordination. Furthermore, it also provided supports to participate in ADL requiring bilateral coordination. These results will provides evidence concerning the effectiveness of BIT for children with hemiplegic cerebral palsy.

The Effect of Vestibular-Proprioceptive Based Sensory Integration Intervention on Spatial Relations and Visual-Motor Coordination in Children with Developmental Disabilities (전정감각, 고유감각 중심의 감각통합중재가 발달장애 아동의 공간 지각력과 시-운동 협응력에 미치는 영향)

  • Kang, Set-Byul;Kim, Su-Kyoung
    • The Journal of Korean Academy of Sensory Integration
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    • v.21 no.2
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    • pp.24-34
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    • 2023
  • Objective : This study sought to investigate the effects of a sensory integration intervention focusing on vestibular and proprioceptive on the spatial relations and visual-motor coordination of children with developmental disorders. Methods : Three children with developmental disabilities aged 5 to 6 years were the subjects of this study, and the ABA' design, which is one of the single subject research designs. A total of 18 sessions were conducted over a six-week period-that is, three 30-minute sessions per week. During the three baseline sessions, the children's spatial relations and visual-motor coordination were evaluated prior to the intervention. During the 12 sessions conducted in the intervention period, a vestibular and proprioception sensory integration intervention was performed, while in the final three sessions, the children's spatial relations and visual-motor coordination were again evaluated (without any further intervention Children were measured and evaluated every session after intervention using a computer cognitive rehabilitation program (CoTras-C). Moreover, the Kaufman Assessment Battery for Children and the Korean-Development Test of Visual Perception-2 were used as evaluation tools to verify the effectiveness of the intervention. Results : There were significant differences in the spatial relations and visual-motor coordination scores of the children with developmental disorders before and after the vestibular and proprioceptive sensory integration intervention. More specifically, after the intervention, all three children showed statistically significant improvements. Conclusion : The applied vestibular and proprioceptive sensory integration therapy had a significant impact on the spatial relations and visual-motor coordination of the three children with developmental disorders.