• 제목/요약/키워드: Comparison study

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A Study on the Body Size of High School Girls (여자 고등학생의 신체치수에 관한 연구)

  • Im, Yeong-Mun;Hwang, Yeong-Seop
    • Proceedings of the Safety Management and Science Conference
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    • 2006.11a
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    • pp.85-89
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    • 2006
  • The main objective of this study is to propose numerical guideline for the improvement of educational environment about high school girls. In order to analyze feature of the somatotype of the high school girls, analysis of this study was performed about 25 body parts such as height(7 parts), width(4 parts), thickness(4 parts), circumference(5 parts), length(4 parts), and body weight. For the specific comparison on body dementions, Mollison's comparison graph were used.

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A Study on Comparison Test for Brake Disc Lining (제동디스크라이닝의 비교시험 연구)

  • Chung Jong-Duk;Kwon Sung-Tae;Han Seok-Yoon;Park Ki-Joon;Chun Hong-Jung
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2005.10a
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    • pp.43-48
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    • 2005
  • In order to facilitate technical exchange among nations and/or institutes through the establishment of mutual recognition and the reliability guarantee of testing results by testing standards standardization, the interlaboratory comparison tests on brake discs and linings between KRRI and CARS were conducted. So far, two ways of comparison tests were performed for a better understanding of mutual recognition and standardization in railroad brake linings between Korea and China. In this paper, the first and second comparison testing results have been summarized, and the suggestions for the future research work are also presented to encourage extensive research on comparison study of railroad brake discs and linings between KRRI and CARS. Eventually, the final goal of the current research will be the establishment of standardization of railroad testing standards.

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A Study of Neurological Soft Signs in Patients with Schizophrenia and Their Unaffected Siblings (조현병 환자와 발병하지 않은 형제에게서 연성신경학적 징후 연구)

  • Cho, Jang Won;Kim, Seok Hyun;Lee, Yu Sang
    • Korean Journal of Biological Psychiatry
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    • v.23 no.4
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    • pp.179-184
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    • 2016
  • Objectives This study was conducted to investigate the possibility of neurological soft signs as an endophenotype for schizophrenia by examining neurological soft signs in patients, their unaffected siblings and normal comparison subjects. Methods The study sample consisted of 32 patients, 25 of their unaffected siblings and 30 normal comparison subjects. Neurological soft signs were evaluated using the Cambridge Neurological Inventory Part 2. soft sign assessment. Results The patients were significantly more impaired than normal comparison subjects (p = 0.047) on primitive reflex. The patients were significantly more impaired than siblings (p = 0.004) and normal comparison subjects (p = 0.021) on motor coordination. The siblings performed better on sensory integration than the patients (p = 0.020) and normal comparison subjects (p = 0.036). Conclusions This study suggests that neurological soft signs might be a potential biomarker for schizophrenia, but might not be an endophenotype for schizophrenia.

An Epidemiological Study on Traffic Accidents (교통사고(交通事故)에 대(對)한 역학적(疫學的) 고찰(考察))

  • Park, Dong-Chul;Lew, Dong-Joon
    • Journal of Preventive Medicine and Public Health
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    • v.17 no.1
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    • pp.75-83
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    • 1984
  • A retrospective study has been made of 170,026 cases of motor vehicle accidents which had been reported to the National Police Headquarters of Republic of Korea, 1983. Also a study has been made of 264 cases of road traffic casualties who were treated at the Eul-ji General Hospital from Jan. 1, 1983 to Dec. 31, 1983. This study was conducted to find out the nature and pattern of the traffic accidents from the clinical and epidemiological view points. In additions, the modes of injury from the road accidents were persued which might help to reduce the traffic accident rate. The results of the study were summarized as follows; 1. In this study, the highest incidence was in the age group between $21{\sim}30$ years (21.29%). And the age group of highest death rate was under 10 years (7.28%). 2. In the comparison of sexual differences, male was dominated in accidents number and death rate. (Casualty rate; 61.66%). 3. In the comparison of each hour differences, the accident was mostly occured during afternoon from 16:00 to 18:00(12.23%). 4. The most common day of week was Sunday (14.74%). 5. The most common season of year was Autumn (27.92%). 6. In the comparison of occupational differences, the high incidences were showed in labor men (31.06%) and business men (12.12%). 7. In the comparison of accidental vehicles, the most common vehicle were cars and the next were trucks and buses. 8. The most common mechanism of accidents was collision (57.41%). 9. In the comparison of clinical differences, orthopaedic and neurosurgical injuries were most common types of the hospitalized casualties. 10. In the comparison of anatomical fracture sites, the most common site was tibia (15.81%) and the next site was femur (12.56%).

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The Effect of Information System Quality on Customer Value and Satisfaction in Hotel Comparison Sites

  • Kong, Choon-Moo;Jung, Ji-Hee
    • Journal of the Korea Society of Computer and Information
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    • v.23 no.12
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    • pp.233-240
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    • 2018
  • In this study, variables were constructed based on prior research to examine the impact of information system quality (information quality, system quality, service quality), customer value and satisfaction in hotel comparison site. The samples consist of 205 survey data drawn from hotel comparison site users. The collected data were analyzed by SPSS 24.0 and AMOS 21.0. According to results of the reliability and validity test, all were found reliable, and all items were included. The results are as follows: first, Among the information system quality (information quality, system quality, and service quality) of the hotel comparison site, the information quality and service quality have positive effects on customer value. Second, the information system quality(information quality, system quality, and service quality) of the hotel comparison site has a positive effect on customer satisfaction. Third, the customer value of the hotel comparison site has a positive effect on customer satisfaction.

Effects of Yuklinzu on the ovariectomized rat model of postmenopausal osteoporosis (육린주가 난소적출 백서의 골다공병에 미치는 영향)

  • Choi Sang Soon;Uem Ju O;Kim Song Baek;Yoo Sim Keun
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.16 no.4
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    • pp.788-800
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    • 2002
  • Aging is characterized by an age-dependent reduction in bone density. Pronounced bone loss by postmenopausal estrogen deficiency induces a bad effect on dynamic balance of bone metabolism. When the bone density is reduced to the level below the fracture threshold, the risk for fracture is greatly increased. The purpose of this study is to examine what are the effects of the Yuklinzu(YLZ: 毓麟珠) on the ovariectomized rat model of postmenopausal osteoporosis. The results of the experiment are as follows: Body weight in control group showed significant increase in comparison with sham, but that in YLZ-treated showed no change in comparison with control. The level of serum albumin in control group showed significant decrease in comparison with sham. That in YLZ-treated was slightly decreased in comparison with control. The level of serum ALP activity in control group showed significant increase in comparison with sham, but that in YLZ-treated was significantly decreased in comparison with control. The level of serum phosphorous in control group showed significant increase in comparison with sham, but that in YLZ-treated showed no change in comparison with control. The level of serum calcium in control group showed no change in comparison with sham, but that in YLZ-treated was significantly decreased in comparison with control. The level of serum GOT in control group showed no change in comparison with sham, but that in YLZ-treated was significantly decreased in comparison with control. The level of serum GPT did not significant change among the three groups. The level of serum estrogen in control group showed slightly increased in comparison with sham, but that in YLZ-treated showed no change in comparison with control. The level of serum T3 in control group showed no change in comparison with sham, and that in YLZ-treated showed no change in comparison with control. The level of serum T4 in control group showed significant increase in comparison with sham, but that in YLZ-treated was significantly decreased in comparison with control. Mechanical strength of the femur neck in control group showed significant decrease in comparison with sham. That in YLZ-treated showed slightly increased in comparison with control. Trabecular bone area as well as trabecular thickness in control group showed significant decrease in comparison with sham. Those in YLZ-treated showed significant increase in comparison with control. Trabecular number and did not significant change among the three groups. Trabecular separation only in YLZ-treated showed significant decrease in comparison with control. Osteoclast number and oseoblast surface in control group showed significant increase in comparison with sham. Those in YLZ-treated showed slightly decreased in comparison with control. According to the above these results, YLZ has shown to be capable of preventing and curing osteoporosis caused by old-aged and postmenopause.

A Comparison Study on Accredited Architectural Education Contents between US and Korea

  • Kim, Jin-Wook
    • Architectural research
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    • v.13 no.2
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    • pp.13-21
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    • 2011
  • Since 2002, Architecture Schools in Korea was changing long traditional architectural education system from 4 years generalized architectural engineering curriculum to 5 years professional architecture program. Until 2010, 76 architecture schools have changed their program to 5 years course which was focused to design studio education. It was a very rapid change and there was not much time develop their own system which could represent institutional identity, character of students and local environment. Korea joined as a regular member of Canberra Accord in 2010 and it is meaningful to compare Korean architecture program contents to another country education contents. US architecture programs were selected for this comparison study. The goals of this study are to create a comparable understanding the form of contents of Architectural Education in US and Korea and to verify the substantial equivalence of these systems. To achieve above goals, three public institutes of each country were selected and analyzed with general information, history, resources, curriculum and the matrix of Student Performance Criteria for quantitative comparison. For qualitative comparison education context of programs were analyzed with program missions, the way of advising, professional connection and distribution of faculty loads.

A Study on the Comparison of LANDSAT-5 TM and MSS Data -laying stress on the landuse mapping of Incheon area- (LANDSAT-5의 TM과 MSS 데이타의 비교에 관한 연구 -인천지역의 토지이용분류를 중심으로-)

  • 안철호;박병욱
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.4 no.2
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    • pp.27-41
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    • 1986
  • In this study, practical use of TM (Thematic Mapper) data was evaluated by comparison of LANDSAT- 5 TM and MSS (Multispectral Scanner) data. The comparison of TM and MSS data was achieved by analyzing the result of landuse mapping of Incheon area, and in addition, the comparison of accuracy according to image enhancement method was made. From the results of this study, we found that TM data was more accurate by about 20% than MSS data in landuse mapping, and that smoothing was effective in image enhancement processing of TM data.

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Effects of the Gamidokwalgisaeng-tang(GDS) Oral Administration and Electro-acupuncture at Chishil$(BL_{52})$, Hyonjong$(GB_{39})$ on Osteoporotic Rats Induced by Ovariectomy (가미독활기생탕(加味獨活寄生湯)의 경구투여(經口投與)와 지실(志室).현종(懸鍾) 전침(電鍼) 병용(倂用) 시술(施術)이 흰 쥐의 골다공증(骨多孔症)에 미치는 영향(影響))

  • Cho, Myung-Rae;Chae, Woo-Seok;Choi, Won-Hwak
    • Journal of Acupuncture Research
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    • v.23 no.3
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    • pp.1-19
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    • 2006
  • Objectives : This study was carried out to determine the effects of Gamidokwalgisaeng-tang(GDS) oral administration and electro-acupuncture at $BL_{52}$ & $GB_{39}$ on the postmenopausal osteoporosis. Methods: In order to study the effects of the Gamidokwalgisaeng-tang(GDS) oral administration and electro-acupuncture at $BL_{52}$, $GB_{39}$ on osteoporotic rats induced by ovariectomy, body weight, femur weight, uterine weight, serum level of osteocalcin, alkaline phosphatase(ALP), cholesterol, triglyceride, estradiol, androstenedione, testosterone and urinary excretions of calcium & phosphorus were measured. Results : 1. Body weight in all experimental group decreased significantly in comparison with ovariectomized group(OVX). 2. The weight of femur compared with body increased significantly in GDS oral administration and combination treatment group in comparison with ovariectomized group(OVX). 3. Uterine endometrial morphology is caused by ovariectomy and the weight of uterus decreased significantly in control and all experimental group in comparison with sham. 4. The serum level of osteocalcin decreased in all experimental group in comparison with OVX, but significantly in electro-acupuncture and combination treatment group. 5. The serum alkaline phosphatase(ALP) activity decreased in electro-acupuncture and combination treatment group in comparison with OVX, but only significantly in electro-acupuncture group. 6. The serum level of cholesterol increased significantly in OVX in comparison with sham and decreased in all experimental group in comparison with OVX, not insignificantly. The serum level of triglyceride increased in all experimental group in comparison with OVX, not insignificantly. 7. Urinary excretions of calcium and phosphorus decreased significantly in all experimental group in comparison with OVX. Conclusion : We suggest that GDS oral administration and electro-acupuncture at $BL_{52}$ & $GB_{39}$ are available for prevention and curing about the postmenopausal osteoporosis.

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