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A study on A Plan to Analyze Risk Factors and Secure Safety through Analysis of Escalator Safety Accidents (에스컬레이터 안전사고 분석을 통한 위험요인 분석 및 안전성 확보 방안에 관한 연구)

  • Kwon, Sun-Geol;Kim, Jin-Soo;Kim, Chang-Eun
    • Journal of the Korea Safety Management & Science
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    • v.14 no.2
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    • pp.55-63
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    • 2012
  • As of Dec. 31, 2011, the number of nation's escalators accounts for 24,248 units, 5.4% of total elevators in our country, safety accidents take up as many 539 case, 55.2% of total elevators' safety accidents. Escalator safety accidents show high incident ratio of primary safety accidents breaking out by users' careless and abnormal use type, taking up multi-caused accident, which mainly take place from vulnerable age groups such as children under 13, and elders above 65. The Government will have to devote itself for policy and support for the establishment of safety management system fit for current state, the revitalization of preventive education for safety accident, the enhancement of safety awareness to escalators' users in order to secure escalator safety environment on an international level and support domestic industrial development.

Improved Crash Detection Algorithm for Vehicle Crash Detection

  • An, Byoungman;Kim, YoungSeop
    • Journal of the Semiconductor & Display Technology
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    • v.19 no.3
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    • pp.93-99
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    • 2020
  • A majority of car crash is affected by careless driving that causes extensive economic and social costs, as well as injuries and fatalities. Thus, the research of precise crash detection systems is very significant issues in automotive safety. A lot of crash detection algorithms have been developed, but the coverage of these algorithms has been limited to few scenarios. Road scenes and situations need to be considered in order to expand the scope of a collision detection system to include a variety of collision modes. The proposed algorithm effectively handles the x, y, and z axes of the sensor, while considering time and suggests a method suitable for various real worlds. To reduce nuisance and false crash detection events, the algorithm discriminated between driving mode and parking mode. The performance of the suggested algorithm was evaluated under various scenarios, and it successfully discriminated between driving and parking modes, and it adjusted crash detection events depending on the real scenario. The proposed algorithm is expected to efficiently manage the space and lifespan of the storage device by allowing the vehicle's black box system to store only necessary crash event's videos.

Some Problems Disclosure on the Insurance Contract Law in UK and The Consumer Insurance(Disclosure & Representations), 2012 (영국보험계약법 상 고지의무 문제와 2012년 소비자보험(고지.표시)법에 관한 연구)

  • Yun, Sung Kuk
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.61
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    • pp.139-163
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    • 2014
  • Recently with making of 'The Consumer Insurance (Disclosure and Representations) Act 2012(hereunder CIA)', the UK revised the duty of disclosure especially with the consumer insurance contract. According to the CIA, if the misrepresentation was careless, the insurer may have the three options based upon what the insurer would have done had the consumer taken care to answer the question accurately; a compensatory remedy, avoidance of the insurance contract or, amendment of the contract. I realized that the establishment of CIA has been exposed to pro-actively relieve the breach of Warranty and Disclosure, Representations as far as required by the Global Insurance market. It was found that it is expected to bring significant changes in UK Insurance Act system of the 21st century, and prepares competition from neighboring countries. On the other hand, in the common law system, countries under MIA(1906) are trying to address the breach of warranty and Disclosure, Representations, except the UK cannot completely adhere with a positive attitude.

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The Effect of Users' Motivations and Interactivity on Online Word of Mouth

  • PARK, Seolwoo
    • The Journal of Asian Finance, Economics and Business
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    • v.7 no.10
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    • pp.855-863
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    • 2020
  • The purpose of this study is to investigate the impacts of two different kinds of interactivity, such as user-to-user and user-to-media interaction, on the relationship between SNS motivation and online word of mouth (WOM). An online survey was conducted with SNS users in Korea. Using the convenience-sampling method, 300 surveys were collected and 295 were used in the actual analysis after excluding data with careless responses or missing values. Hypotheses were tested using Structure Equation Model (SEM) and path analysis by using AMOS22. The results indicate that four different SNS motivations (self-expression, relational, fun, and browsing motivation) have a partially significant positive effect on perceived user-to-user and user-to-media interaction in SNS. Although both user-to-user interactivity and user-to-media interactivity were found to have a significant effect on online word of mouth, by comparing the standardized regression coefficients in these relationships, it was found that user-to-user interactivity has a greater effect on online WOM than user-to-media interactivity. These results show that the motivated SNS users want to express their desire to communicate with other users in contrast than their desire to learn media functions when motivated SNS users reveal their personalities, knowledge, and abilities. Theoretical and managerial implications are discussed.

The Current Trends and the Prospective View of the Molecular Gastronomy (분자미식학의 현황과 앞으로의 전망)

  • Lee, Eun-Jung;Ahn, Jeong-Suk;Choi, Jeong-Yoon
    • Culinary science and hospitality research
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    • v.14 no.1
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    • pp.56-72
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    • 2008
  • Molecular gastronomy is a science that deconstructs the classic haute cuisine and applies science knowledge and laboratory techniques to create textures and flavors in unusual ways. The term 'Molecular Gastronomy' was introduced in 1988 by French chemist 'Herve This' and Oxford physicist 'Nicholas Kurti'. It has since been adopted by both world culinary establishments and scientists, from 'El Bulli' to 'Harold McGee'. Since most world-top prestigious restaurants and chefs were enthralled by this revolunary culinary movement, molecular gastronomy and molecular cooking have drawn a growing interest of lots of Korean people in the food industry until now. However, Korean foodservice industry is unlikely to be ready to develop this advent-garde culinary movement because molecular gastronomy is still an insufficiently established concept of culinary science and philosophy in Korea. Besides, there are many clumsy abuses of putative and clinically unproven bio-chemical components in kitchens and restaurants in the name of culinary science or culinary arts. Such a careless approach and attitude towards an important exercise like a cooking is highly deplorable. Thus it is still too far early to expect the prospective path of molecular gastronomy in Korea without understanding the core principle of molecular gastronomy and having any cultural support.

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A Formal Guidance for Handling Different Uncertainty Sources Employed in the Level 2 PSA

  • Ahn Kwang-Il;Yang Joon-Eon;Ha Jae-Joo
    • Nuclear Engineering and Technology
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    • v.36 no.1
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    • pp.83-103
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    • 2004
  • The methodological framework of the Level 2 PSA appears to be currently standardized in a formalized fashion, but there have been different opinions on the way the sources of uncertainty are characterized and treated. This is primarily because the Level 2 PSA deals with complex phenomenological processes that are deterministic in nature rather than random processes, and there are no probabilistic models characterizing them clearly. As a result, the probabilistic quantification of the Level 2 PSA CET / APET is often subjected to two sources of uncertainty: (a) incomplete modeling of accident pathways or different predictions for the behavior of phenomenological events and (b) expert-to-expert variation in estimating the occurrence probability of phenomenological events. While a clear definition of the two sources of uncertainty involved in the Level 2 PSA makes it possible to treat an uncertainty in a consistent manner, careless application of these different sources of uncertainty may produce different conclusions in the decision-making process. The primary purpose of this paper is to characterize typical sources of uncertainty that would often be addressed in the Level 2 PSA and to provide a formal guidance for quantifying their impacts on the PSA Level 2 risk results. An additional purpose of this paper is to give a formal approach on how to combine random uncertainties addressed in the Level 1 PSA with subjectivistic uncertainties addressed in the Level 2 PSA.

Causes and Condition of Industrial Accidents during Manual Materials Handling (중량물 취급시 재해 발생 현황 몇 원인에 관한 연구)

  • 양성환
    • Journal of the Korean Professional Engineers Association
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    • v.30 no.5
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    • pp.96-104
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    • 1997
  • This study analyze industrial safety and health planning report for manufacture. The purpose of accident analysis is to obtain accurate and objective information about the causes of accidents in order to prevent accidents from reoccurring. This study investigated the causes and conditions of occupational accidents in Korean industry. As the most accidents are occurred in lifting material, the questionnaire analyses about injuries are operated for occur to deal with the Manual Materials Handing. The results show that there are some characteristics in the accidents of Korean industry since 1986: (1) accidents rates tend to have lower since 1983(1994-1.18%, 1995-0.99%, 1996-0.88%), (2) larger companies tend to have lower accident rates than the smaller ones, (3) inexperience is related to high accident rates(1995-51.26%, 1996-48.82%1, because of the careless education for freshman such as OJT which in order to prevent accident, and (4) the body sites most vulnerable to injury are the hands and fingers and increased the back(caused of Back pain). The results of questionnaire analysis show that operator(n= 104) interested in reinforce the back & belly(42.86%). These finding identified in this study can be used to prevent the industrial accidents, and used to improving directions based on analyzed result.

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Study on 'Sasang Constitution Unchangeability Theory(四象體質 不變論)' (사상체질(四象體質) 부변론(不變論)에 대(對)한 이론적(理論的) 검토(檢討))

  • Choi, Chan-Hun;Yoon, Dea-Hwan;Lim, Jin-Seok;Baek, Jin-Ung
    • Journal of Society of Preventive Korean Medicine
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    • v.12 no.2
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    • pp.115-130
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    • 2008
  • It is very important problem that exactly distinguish constitution, in Sasang constitutional Medicine. But, it is careless that discuss the propriety of 'Sasang constitution unchangeability theory(四象體質 不變論)'. The foundation of Sasang constitution unchangeability theory is the sentence in DongUi SuSae BoWon Sa-dan theory(東醫壽世保元 四端論) : "The Organ system of Taeyang(太陽), Taeum(太陰), Soyang (少陽) and Soeum(少陰) is the variation of YinYang(陰陽), is firm nature and is unnecessary agreement. (太少陰陽之臟局 陰陽之變化也 天稟之已定 固無可論)". But, the foundation of Sasang constitution unchangeability theory contradict the theory that Organ system(臟腑) is made by deviation of emotions(joy, anger, sorrow and pleasure :喜怒哀樂) or temperament(性情). Because these emotions is revealed after birth(後天), the deviation of Organs system made by deviation of emotions is not innate, is acquired after birth. Therefore, it is necessary to discuss the opinion that Sasang constitution is variable after birth. The conclusion of our study is that Sasang constitution can be variable after birth.

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Cognitive Analysis on Accident-related Human Factors during Shunting Movements (철도 입환작업 중의 인적 사고요인에 대한 인지과학적 분석)

  • Lee, Seung-Won;Lim, Hyeon-Kyo
    • Journal of the Korean Society of Safety
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    • v.20 no.4 s.72
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    • pp.114-121
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    • 2005
  • Railroad shunting movements connecting and disconnecting train sets are very susceptible to human errors since they depend on human decision-making and action procedure that are variable to situation to situation. Nevertheless, in the investigation of railroad accidents, all the accident causes related with human factors have merely been categorized as 'careless treatment' of the workers without any systematic approach of behavioral sciences or the analysis of human errors. In this research, therefore, 137 accident cases occurred during railroad shunting movements and 435 accident cases occurred during driving were analyzed with a special interest of human errors. According to results, the traditional accident investigation scheme used for last several decades did not seem to be appropriate for catching up true accident causes with respect to human errors. In addition, both signal men and locomotive drivers made many mistakes in judgement/action stage while the former mainly commit judgement tasks where as the latter mainly commit cognition tasks. Ant those tasks such as 'confirmation of signal and route', 'location check-up of connected train sets', and 'route identification for a shift of track' ranked highly for accident susceptibility.

Clinical Specimen Printing System using RFID (RFID를 이용한 검체 프린팅 시스템)

  • Kim, Yong-Phil;Choi, Kwang-Il;Jung, Hoe-Kyung
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.18 no.2
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    • pp.351-356
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    • 2014
  • Although the demand for histopathological examinations has been increasing, medical accidents in management of specimens also have been increasing because most of the examinations are processed manually which can cause careless handing, confusing information and mismatching during the procedure. In the future, histopatological examination will be used frequently for handing incurable diseases and verification of new drug. Thus, efficient and error-free management system for handling personalized medical history and test results is infallibly necessary. In this paper, I have proposed an integrated printing system for informatization of histopathological examination that support the u-Healthcare environment based on RFID in near future. The proposed system supports systematization of whole examination process and information of pathological samples. This system will contribute to reduction of costs, improvement of operational efficiency, and mostly fundamental prevention of medical accidents.