• Title/Summary/Keyword: silver age

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Structural Constraints on Gold-Silver-Bearing Quartz Mineralization in Strike-slip Fault System, Samkwang Mine, Korea (삼광광산에서의 주향이동단층에 의한 함금-은 석영맥에 대한 구조규제)

  • Lee, Hyun Koo;Yoo, Bong-Cheal;Hong, Dong Pyo;Kim, Kyoung-Woong
    • Economic and Environmental Geology
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    • v.28 no.6
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    • pp.579-585
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    • 1995
  • The Samkwang mine is Cretaceous gold-silver-bearing deposits located in the western part of the Ogcheon belt The ore deposits have been emplaced within granite gneiss of the Precambrian age. The Au-Ag deposits are hydrothermal-vein type, characterized by arsenic-, gold- and silver-bearing sulphides, in addition to the principal ore-forming sulphides arsenopyrite, galena, sphalerite, chalcopyrite, pyrite and pyrrhotite. Their proven reserves are 355,000 MT, and grades are 8.4 g Au/t and 13.6 g Ag/t. On the basis of their structural characters, the Au-Ag-bearing quartz veins are classified into three types of ore veins; (1) The Main vein shows $N40^{\circ}-80^{\circ}E$ strike and $55^{\circ}-90^{\circ}SE$ dip, (2) the Sangban vein shows E-W strike and $30^{\circ}-40^{\circ}S$ dip, and (3) the Gukseong vein has $N25^{\circ}-40^{\circ}W$strike and $65^{\circ}-80^{\circ}SW$ dip. The emplacements of the ore veins are closely related to the minimum stress axis $({\sigma}_3)$ during the strike-slip movement of the study area. The ore-bearing veins filled with extension fractures during strike-slip movements were sequentially emplaced as follows: I) When ${\sigma}_1$ operates obliquely to NE-series discontinous surface, the Main fault zone $(F_1)$ developes. 2) During the same time, extension fractures ($T_1$ Gukseong veins) take place. 3) When the fault progress continuously, the existing $T_1$, may be high angle and $T_2$ (Daehung vein) developes continuously. 4) When ${\sigma}_1$ changes to sinistral sense, $T_3$ (basic dyke) occurs. 5) When a reverse fault becomes active, the Sangban vein is branched from the Guksabong vein.

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Relationship between Muscle Strength and Tendon Stiffness of the Ankle Plantarflexors and Its functional Consequence (인체 족저굴곡근의 근력과 아킬레스 건의 경도, 기능적 능력 간 상관관계 분석)

  • Han, Seong-Won;Lee, Dae-Yeon;Lee, Hae-Dong
    • Korean Journal of Applied Biomechanics
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    • v.24 no.1
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    • pp.35-42
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    • 2014
  • Tendon elasticity is an important factor affecting muscle function and thus human movements. It has been reported that the mechanical properties of tendon are adaptable to external loading condition. Based on the adaptability of muscle and tendon to external loading conditions, one can assume that there might be an optimum ratio between muscle strength and tendon stiffness. The present study aimed to investigate whether there is correlation between plantar flexor muscle strength and stiffness of the achilles tendon (AT). Twenty two male subjects (age: $23.2{\pm}1.5yrs$, height: $175.5{\pm}6.2cm$, weight: $75.4{\pm}9.8kg$) performed maximum voluntary isometric plantarflexion on a custom-built dynamometer and muscle-tendon junction of the medial gastrocnemius muscle was simultaneously monitored using a real-time ultrasound imaging machine. The averages of muscle force and tendon stiffness were $366.38{\pm}79.37N$, $35.34{\pm}10.42N/mm$, respectively. Significant positive correlation was observed between muscle strength and tendon stiffness (r=0.8507), indicating that the muscle force is proportional to tendon stiffness. The results might have been used in computational modeling and criterion of training progress level in the fields of training and rehabilitation.

A Study on Historical Research for Costume of Banya(般若) in King Gongmin's Period of Late Goryeo - Focused on the Buddhist Service Costume - (고려 말 공민왕 재위기의 반야(般若) 복식 고증요소 고찰 - 불교법회 복식을 중심으로 -)

  • Choi, Jeong
    • Journal of the Korean Society of Costume
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    • v.65 no.6
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    • pp.112-132
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    • 2015
  • Banya was a concubine slave of Shindon(辛旽) who was a powerful monk in late Goryeo Dynasty, as well as the mother of King Woo(禑王), a successor of King Gongmin(恭愍王). This study was undertaken to investigate the sources of costume for Banya. The study focused on the features of Buddhist service costume, street wear, and daywear for common women's costume during the prime age of the Buddhist culture. The study looked into Buddhist paintings, old documents, advanced research, and relics. There are three characteristics of historically investigated Buddhist service costume for Banya: Dallyeongpo(團領袍), long Jeogori made with black Ra(羅), and Jeogori with a long scarf. Skirt, under Jeogori, under skirt, Cho, Ra(羅), Neung (綾), Dan(緞), patterned ramie(紋紵), and Tapja(塔子) were included in all Buddhist service costume. And, street wear consisted of Women's Dapho(婦人搭忽), long Jeogori, skirt, underwear and black Ra beil(蒙首). Daywear consisted of Banbi(半臂), long Jeogori, and skirt, underwear made with cheap fabric, Ju(綢), ramie, and imported cotton. Plumper hair, silver comb and Biyeo, lining of light pink-colored thin silk(小紅薄絹), bronze openworked ornament that fixed the outerwear's opening, bronze needle case, Sutra box and heated gemstone could be matched for the Buddhist service costume. Bronze and heated gemstone could be used for ornaments of street wear and daywear. The investigation of ornaments was carried on by referring to presentation of overseas collections. Considering the limitation of the study on Goryeo costume due to the lack of research material, future studies including much more relics in oversea collections needs to be undertaken.

The Relations between Participation Motive and Satisfaction Level of the Volunteer Activities of the Elderly People (노인의 자원봉사활동 참여 동기와 활동만족도 간의 영향관계)

  • Kim, Chang-Sug;Choi, Soo-Il
    • The Journal of the Korea Contents Association
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    • v.12 no.4
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    • pp.315-326
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    • 2012
  • The purpose of this study is to examine the motivation of elderly people to participate in volunteer activities and to analyze the effect of participation motivation on satisfaction with volunteer activities of them. The 297 questionnaires which were collected from persons over 60 years old who were doing voluntary service activity in welfare center for the aged, Silver police in Goyang and Paju city. The frequency, factor and regression analysis were used for the research. The results are as follows: First, the motivations to participate in volunteer activities had four factors: self-realization, social activities, social responsibility, and personal achievements, and these factors had positive effect on satisfaction with volunteer activities. Second, the motivation to participation in volunteer activities and the degree of satisfaction with them were found to be different in accordance with age, education, income, religion and health.

Incidence of the chlamydia conjunctivitis in the newborn period (신생아에서의 Chlamydia결막염의 빈도에 관한 관찰)

  • Shin, Son-Moon;Kang, Mi-Hwa
    • Journal of Yeungnam Medical Science
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    • v.6 no.2
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    • pp.23-28
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    • 1989
  • After application of silver nitrate on every newborn, the incidence of gonococcal conjunctivitis was markedly decreased. But recently neonatal conjunctivitis due to chlamydia infection is increasing, so clinical observation was made on 26 newborn infants who showed eye discharge from June 1st to August 31st 1989. The results were as follows. 1. The incidence of chlamydia infection among neonatal Conjunctivitis was 34.6%. 2. The most common age at diagnosis was 6-15days of life and there was no sexual prepondrance. 3. There was no significant difference on clinical symptoms between chlamydia conjunctivitis and other Conjunctivitis. 4. Of 26 infants examined. 16 cases revealed no growth on routine bacterial culture. Of the organism cultured, P. aeruginosa was the most common agent(19.2%) and followed by S. aureus(11.5%) and S. epidermidis(7.6%). In one case of chlamydia I conjunctivitis, there was concurrent S. aureus infections. 5. On this study, Giemsa stain did not give significant diagnostic aid of chlamydia conjunctivitis.

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Case Study of 'Becoming Women' through the Media Education -Media Education Club for Seniors (노인 미디어 교육을 통한 '여성 - 되기' 사례 연구 -노인 미디어 학습동아리 <은빛둥지> 활동을 중심으로)

  • Chang, Yujeong;Kang, Jinsuk
    • Korean journal of communication and information
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    • v.70
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    • pp.277-305
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    • 2015
  • French poststructuralists Gilles Deleuze and Felix Guattari pointed out that the minority age already has come in the modern society through discussing minority topic. Futhermore, they supported 'Becoming' as new methodology that minorities escape from suppressed reality. 'Becoming' is the practical concept for how one identity could split into different lives and subjects, thus it could be explained as an exemplary that autonomous change and actively entering into different lives. The purpose of this study seeks the practical way for elder women can independently participate in media education which is based on concretely 'becoming woman'. For this, the article examines the main concept and thought of Deleuze and Guattari. The reason why this article premises this theory is for changing 'desire' of elder women's approach to 'becoming women' through new interpretation about minority and minorities which were defined by quantitative criteria. Consequently, this article would suggests the direction of senior media education for seniors for the positive and specific effect.

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Effect of Entrepreneur's Characteristics on the Intention of Entrepreneruship -Focusing on the Moderating Effect of Entrepreneurship Mentoring in Korean- (창업가의 특성요인이 창업의지에 미치는 영향 -국내 창업 멘토링의 조절 효과를 중심으로-)

  • Yook, Chang-Hwan;Jeon, In-Oh
    • The Journal of the Korea Contents Association
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    • v.14 no.10
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    • pp.661-676
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    • 2014
  • Due to current economic recessions, interest on entrepreneurship and/or business start-up is getting increased beyond sex and ages. Currently business start-up of university students and retirement to age limit in silver generation are getting increased day by day. As a part of preparation against those phenomenons, this investigation try to show the effect of characteristic factors of entrepreneurs on the will of business establishment In this study, in order to analyse effects on business establishment, survey was conducted for 328 pre and existed entrepreneurs. For collected datas, reliability analysis, factor analysis and correlation analysis were conducted via spss20 statistical program and lastly, through regression analysis, following conclusions were drawn. At first, the will of business establishment was effected by personal characteristic and environmental factor. in second, the mentoring of business establishment was effected by personal characteristic and environmental factor In particular, the will of business establishment was controlled by mentoring of business establishment which was effected by environmental factor.

A Survey on the Consciousness of Adolescents about the Elderly Housing Life Plan from Technology.Home Economics Textbook (기술.가정 교과에 기초한 노년기 주생활 계획에 관한 청소년의 의식 조사)

  • Lee, Seung-Jin;Choi, Byung-Sook
    • Korean Journal of Human Ecology
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    • v.9 no.3
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    • pp.5-21
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    • 2006
  • The purpose of this study was to grasp the consciousness of adolescents about their future in old aged housing. This research was executed with a questionnaire survey method. Data samples were collected from 255 students who finished first grade curriculum in high schools in Chonbuk province and Seoul city. The results were as followed. First, a healthcare plan was very highly recognized by students, and they wanted to live as couples or single in their old age. Second, the respondent students recognized elderly housing as a home for the aged, a silver town and nursing home. 72.1% of the respondents preferred a single detached house as an elderly house form. They preferred an elderly housing district with well provided convenient facilities for daily living. They wanted to live in the country or rest areas for the aged. They preferred an interior space composition with LDK with 2 bedrooms. 52.0% students wanted a neighborhood for their friends to live together. Third, 28.3% of the respondent students thought the appropriate time to move in elderly exclusive housing was 66-70 years old. And when their physical condition worsened or they needed care, they would. want to move into that housing. Also, they wanted the most convenient facility and a medical care facility in elderly exclusive housing. Forth, students' space design needs for elderly were high, more than 4 points. It was especially needed safety in space design, and this grade was 4.56(,53) points. Also the needs of safety and the convenient facilities.equipments were statistically significant by boys and girls.

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A Preliminary Study of the Validity of the Concealed Information Test Using P300 and Reaction Time (P300과 반응시간을 이용한 거짓반응의 타당성에 대한 예비적 연구)

  • Park, Gun-Tae;Rhee, Moon-Sung;Kim, Moo-Jin;Roh, In-Soo;Jeong, Phil-Ja
    • Anxiety and mood
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    • v.4 no.2
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    • pp.99-103
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    • 2008
  • Objectives : The authors sought to examine the differences in the number of P300 detected by subjects in experimental and control groups when exposed to relevant stimuli. In addition, the authors tried to determinethe subjects' reaction time when asked to respond to relevant stimuli. Methods : The subjects were 20 informed female volunteers aged 22-38 years (median age : 24). Relevant stimuli (concealed information) were created by unknowingly exposing the two groups to obscene pictures and semantic questions. The number of P300 detected and the length of reaction time were compared between the two groups. Results : Contrary to theauthors' expectations, there were no significant differences in the number of P300 detected or in the length of reaction time between the two groups. Conclusions : These results indicate that, unlike a polygraph test, concealed information tests adopting P300 and reaction time as major physiological responses ofsubjects exposed to meaningful personal information might not serve as a valid practical tool in the field of criminal psychology. However, further studies involving a greater number of subjects are needed before a final conclusion regarding the validity of this new type of concealed information test can be drawn.

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Development of Vest Design with Korean Image for the Elderly - Based on the concept of universal fashion design - (노년기 여성을 위만 한국적 이미지의 조끼디자인 개발 - 유니버설 패션 디자인 개념을 바탕으로 -)

  • Na, Hyun-Shin;Byun, Jee-Yeon;Mun, Ji-Hyun;Cho, Yun-Joo
    • Journal of the Korean Society of Costume
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    • v.59 no.7
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    • pp.77-85
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    • 2009
  • Nowadays the numbers of the aging population are rapidly increasing in Korea, which became the 'aged country' from the year 2000. These aged people are getting more important consumer group and the products and services related to the silver industry are getting bigger. Universal fashion design is based on the concept of universal design that pursues the 'design for all'. This study aims to understand the physical, physiological, and psychological characteristics of the elderly women and apply the principles of universal design to universal fashion design for the elderly. Korean traditional vest, 'Baeja' was used as the design inference for the target of age 55 and older. This group is also called as 2Y2R(too young to retire), Tonk(too only no kids), Y-O(young-old) generation, or OPAL(old people with active life). Principles of universal design such as accessibility, flexibility in use, fair in use, aesthetics, safely-oriented were applied in developing the vest. This universal fashion products enable the elderly to have physical independence and make them have the self respect and better life.