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Solar urticaria in Korean patients
( Sung Min Kim ),( Young Ah Cho ),( Ji Su Lee ),( Ji Youn Hong ),( Jin Hee Kim ),( Joo Ran Hong ),( Hye In Cheon ),( Yang Won Lee ),( Yong Beom Choe ),( Kyu Joong Ahn ) 대한피부과학회 2020 대한피부과학회 학술발표대회집 Vol.72 No.1
Background: Solar urticaria (SU) is an uncommon type of photodermatoses characterized by erythematous wheal with pruritus after sunlight exposure, which shows a female predominance. Only a few studies to analyze the clinical features of SU were reported in Asia. Objectives: We aimed to analyze the clinical and photobiological characteristics of SU in Korea. Methods: We retrospectively investigated the medical records of patients with SU who visited the department of dermatology, Konkuk university medical center from January 2005 to January 2020. Results: Of a total of 44 patients, 36 (81.8%) were male and 8 (18.2%) were female. The mean age at onset was 17.6 years (range, 5-47) and the mean threshold time was 19.7 minutes. Among 32 patients who underwent phototesting, the action spectrum most commonly implicated was ultraviolet (UV) A only in 12 (37.5%), and then visible light (415nm) only was responsible for SU in 8 (25.0%). Three patients (9.4%) were induced by both UVA and visible light (415nm). Even 4 patients (12.5%) were triggered by only natural sunlight. Serum immunoglobulin E levels were measured in 33 patients, and 17 (51.5%) showed values higher than normal. The treatment most widely used were oral antihistamine (43.2%), followed by phototherapy (13.6%). Conclusion: SU is a rare photodermatosis in Korea, which shows a male preponderance. In this study, UVA and visible light (415nm) were predominant action spectrum of SU.
Jin-SungHUH,Jeong-WoonKIM,Jun-HyuckYOON,Su-YeonLEE 한국목재공학회 2020 목재공학 Vol.48 No.2
This study was conducted to analyze the sap flow and composition by tapping date in Acer akamotoanum from an artificial forest in the City of Jinju. The sap was collected from five saplings (diameter at breast height10-20 cm) in two phases with an interval of a month. During phase 1 (January 10, 2019 - February 9, 2019) with daily mean temperature of 1.16±2.15℃, 60.59 liters of sap was collected over 32 days. Phase 2 (February 12, 2019 - February 22, 2019) with daily mean temperature of 2.55±1.30℃ yielded 13.38 liters of sap over 11 days, which was a reduction to 22% of the total sap flow in phase 1. The analysis of sugar composition in the collected sap from phase 1 and 2 showed that sucrose concentration was 2.5% at its highest during the earlier days of collection and decreased to 0.8% at the end. Glucose and fructose concentrations were measured near 0, and were lower than sucrose concentration. The most prominent inorganic elements in the collected sap were potassium (41.69 - 89.75 mg/kg), calcium (24.66 - 48.14 mg/kg) and magnesium (10.18 - 27.25 mg/kg). The contents of sucrose and inorganic components between the samples collected from phase 1 and 2 did not show significant differences. The sap flow amounts of A. okamotoanum from different tapping periods showed a notable variation, but there were no significant differences in the contents of sugar or inorganic elements. 본 연구는 진주시 소재 우산고로쇠 인공림에서의 수액 채취 시기별 출수량 및 구성성분을 분석하기 위해 수행되었다. 수액채취는 한 달 간격으로 2회에 걸쳐 이루어졌으며, 각 회당 채취목은 각각 소경목(흉고직경 10~20 cm) 5본씩 이었다. 일평균 기온이 1.16 ± 2.15℃로 조사된 1차 시기(2019년 1월 10일 ~ 2월 09일)의 수액 총 출수일이 약 32일, 총 출수량은 약 60.59 L로 관찰되었다. 일평균 기온이 2.55 ± 1.30℃로 조사된 2차 시기(2019년 2월 12 ~ 22일)에는 총 출수일이 약 11일이었으며 총 출수량은 약 13.38 L로 1차 시기 기준의 약 22%에 해당하는 양으로 감소하였다. 1, 2차 채취 시기별 수액의 당 성분분석 결과 자당(Sucrose)의 함량이 출수초기 최고 2.5%를 나타냈으며 출수 종료시점에는 최소 0.8% 대로 감소하였다. 포도당(Glucose)과 과당(Fructose)은 Sucrose에 비하여 함량이 낮았으며, 0에 가까운 수치를 나타내었다. 채취 수액의 무기성분 분석결과, 주요 성분은 칼륨(41.69 ~ 89.75 mg/kg), 칼슘(24.66 ~ 48.14 mg/kg), 마그네슘(10.18 ~ 27.25 mg/kg)이었다. 1, 2차 채취 시기별 수액 간의 sucrose함량 및 무기성분의 함량 범위는 유의적인 차이를 보이지는 않았다. 결과적으로 시기를 달리한 우산고로쇠 수액 채취에 있어서 출수량은 큰 차이를 보였지만 당 및 무기성분 함량의 경우에는 유의적 차이가 나타나지는 않았다.
Su‑Jin Lee,김성일,Pil‑Wan Han,김창업 대한전기학회 2020 Journal of Electrical Engineering & Technology Vol.15 No.4
This paper deals with the characteristics analysis of 3-phase induction motors for electric power steering applications by combining fnite element analysis with an equivalent circuit model. Induction motors for automobiles have high magnetic saturation due to size limitations. Accordingly, to improve the accuracy of the equivalent circuit analysis, it is necessary to consider the magnetizing reactance according to the magnetizing current. An equivalent circuit analysis method that takes into account the magnetic saturation of 3-phase induction motors is proposed and verifed through a test.
Cyclic Loading Test of Structural Walls with Small Openings
Hyun-Jin Yu,Su-Min Kang,Hong-Gun Park,정란 한국콘크리트학회 2019 International Journal of Concrete Structures and M Vol.13 No.6
This study aimed to investigate the effects of small openings on the structural performance of reinforced-concrete(RC) structural walls. Cyclic lateral loading tests were conducted on five RC walls with an aspect ratio of 2.6 and small openings. The main test parameter was the size of the small openings. The specimens were designed to fail after flexural yielding, considering the typical failure mode of slender RC walls. The structural performances of the test specimens were analyzed based on the test results in terms of the load-carrying capacity (flexural strength), hysteretic behavior, strain distribution, and the size of the openings. The specimens showed flexural yielding regardless of the size of the openings, and the flexural strength and deformation capacity were not significantly affected by the small openings. This result indicates that small openings do not affect the flexural behavior of slender walls if the walls have sufficient shear resistance and the small openings are located away from the extreme compressive end and in the compression zone where compressive stress does not decrease.
장세진,고상백,강동묵,김성아,강명근,이철갑,정진주,조정진,손미아,채창호,김정원,김정일,김형수,노상철,박재범,우종민,김수영,김정연,하미나,박정선,이경용,김형렬,공정옥,김인아,김정수,박준호,현숙정,손동국 大韓産業醫學會 2005 대한직업환경의학회지 Vol.17 No.4
Background and Purposes: Over the past three decades, numerous studies performed in Korea have reported that job stress is a determinant risk factor for chronic diseases and work disability. Every society has its own culture and occupational climate particular to their organizations, and hence experiences different occupational stress. An occupational stress measurement tool therefore needs to be developed to estimate it objectively. The purpose of this study is to develop and standardize the Korean Occupational Stress Scale (KOSS) which is considered to be unique and specific occupational stressors in Korean employees. Subjects and Methods: Data were obtained from the National Study for Development and Standardization of Occupational Stress (NSDSOS Project: 2002-2004). A total of 12,631 employees from a nationwide sample proportional to the Korean Standard Industrial Classification and the Korean Standard Occupational Classification were administered. The KOSS was developed for 2 years (2002-2004). In the first year, we collected 255 items from the most popular job stress measurement tools such as JCQ, ERI, NIOSH and OSI, and 44 items derived from the a qualitative study (depth interview). Forty-three items of KOSS, in the second year, were retained for use in the final version of the KOSS by using Delphi and factor analysis. Items were scored using conventional 1-2-3-4 Likert scores for the response categories. Results: We developed eight subscales by using factor analysis and validation process: physical environment (3 items), job demand (8 items), insufficient job control (5 items), interpersonal conflict (4 items), job insecurity (6 items), organizational system (7 items), lack of reward (6 items), and occupational climate (4 items). Together they explained 50.0% of total variance. Internal consistency alpha scores were ranged from 0.51 to 0.82. Twenty-four items of the short form of the KOSS (KOSS-SF) were also developed to estimate job stress in the work setting. Because the levels of the subscales of occupational stress were gender dependent, gender-specific standard norms for both the 43-item full version and the 24-item short form using a quartile for the subscales of KOSS were presented. Conclusion: The results of this study suggest that KOSS might be an appropriate measurement scale to estimate occupational stress of Korean employees. Further and more detailed study needs to be conducted to improve the validity of this scale.
심리적 안전이 창의성에 미치는 영향: 성장마인드셋과 조직지원인식의 매개효과를 중심으로
최우수(Choi, Woo-Su),오상진(Oh, Sang-Jin) 한국경영교육학회 2020 경영교육연구 Vol.35 No.5
[연구목적] 본 연구는 불확실한 경영 환경 속 기업에게 혁신 수단으로서 창의성을 제시하기위해, 심리적 안전이 창의성에 미치는 영향과 그 과정에서 성장마인드셋, 조직지원인식과의 관계를 실증하여, 창의성 제고를 위한 실용적 방안을 제시하고자 한다. [연구방법] 국내 기업에 근무하는 다양한 업종의 구성원 총 420명에게 설문지를 배부하여 353명에게 자료를 수집하였다. 심리적 안전, 창의성, 성장마인드셋, 조직지원인식과 관련된 이론 및 선행 연구를 토대로 가설을 설정하였으며, 통계 도구로는 CFA를 통해 신뢰도와 타당성을 검증하였고, 가설검증을 위해 SPSS25, AMOS25, Macro Process3.0을 사용하였다. [연구결과] 연구 모형에 대한 가설 검증 결과 심리적 안전은 성장마인드셋, 조직지원인식, 창의성에 유의한 정(+)의 영향을 주는 것으로 나타났으며, 성장마인드셋과 조직지원인식의 매개효과도 유의한 것으로 나타났다. [연구의 시사점] 본 연구는 기업 현장의 조직문화 요인과 창의성 간의 관계를 동기부여 이론으로 검증했다는데 의의가 크다. 특히, 창의성을 특별한 재능 소유자의 전유물이 아니라 조직 문화의 변화를 통해 구성원들에게 확산시킬 수 있는 혁신의 도구로 제안했다는 점에서 시사점이 있다. [Purpose] This study aims to present creativity as a means of innovation to companies in uncertain business environment, demonstrate the impact of psychological safety on creativity and its relationship with growth mind-set and perceived organizational support in the process, and suggest practical measures to enhance creativity. [Methodology] Data were collected from 353 members. Hypothesis was set based on theories and previous studies related to psychological safety, perceived organizational support, growth mind-set and creativity. The collected data were reviewed for reliability and validity through CFA, and hypothesis verification was performed using SPSS 25, AMOS 25, and Macro Process 3.0 by Bootstrap. [Findings] Psychological safety was found to have a significant positive effect on growth mind-set, perceived organizational support and creativity, and the mediating effects of growth mind-set, perceived organizational support were also significant. [Implications] This study is significant in that it has verified the relationship between organizational culture factors and creativity at corporate sites with the theory of motivation. In particular, creativity is not the exclusive property of a particular talent owner, but it has implications for spreading to members through changes in organizational culture and, through this, proposed as a tool for innovation.
식이 단백질의 급원에 따른 당뇨쥐의 혈당 및 혈청지질에 미치는 영향
이수진,김영진,박수정,김희정,이윤희,유영상 동아시아식생활학회 1997 동아시아식생활학회지 Vol.7 No.2
This study was designed to find out the effects of soybean protein and milk protein between nondiabetic and diabetic rats. The experimental results are summarized as follows. 1. Total food intake was higher in diabetic soybean protein group than other groups but it was not significant. 2. The change of body weight was lower in diabetic soybean protein group than other groups and the soybean protein was effective to maintain the ideal body weight. 3. The effects of lowering total cholesterol and glucose in serum was higher in soybean protein groups than the milk protein groups.
중년 직장여성의 일-가정 갈등이 삶의 의미에 미치는 영향: 사회적지지와 자기효능감의 매개효과를 중심으로
강명수(Kang, Myung-Su),류은진(Ryoo, Eun-Jin),이수경(Lee, Soo-Kyoung) 한국가족학회 2019 가족과 문화 Vol.31 No.3
본 연구는 다중역할을 수행하고 있는 중년 직장여성을 대상으로 일-가정 갈등, 사회적지지, 자기효능감, 삶의 의미 간의 관계를 파악하고자 하였다. 구체적으로 연구 대상자는 40세에서 60세 미만의 자녀가 있는 맞벌이 중년 직장여성들로서 총 202명의 자료가 최종 분석에 사용 되었다. 구조방정식 모형을 통해 자료를 분석하였는데, 분석결과 첫째, 중년 직장여성의 일-가정 갈등은 사회적지지, 자기효능감과 유의미한 관계를 맺고 있었으나, 삶의 의미와는 직접적인 유의미한 관계를 갖고 있지 않았다. 둘째, 사회적지지와 자기효능감은 일-가정 갈등과 삶의 의미 간의 관계에서 유의미한 완전매개효과를 보이는 것으로 나타났다. 따라서 중년 직장여성이 다중역할 수행에서 삶의 의미를 찾도록 도와주기 위해서는 사회적지지와 자기효능감을 높여줄 필요가 있다. 연구결과를 토대로 교육과 상담에의 논의점 및 제안점을 제시하였다. The purpose of our study was to identify a structural relationship between the work-family conflict, social support, self-effectiveness and the meaning of life among married female workers who are performing multiple roles. The subjects were middle-aged married working mothers aged 40 to 60, they taked care of at least one child and worked more 10 hours in a week. The 202 data were analyzed using a structural equation model. The analysis results showed in the lives of middle-aged married female workers as follows. First, the work-family conflict had direct effects on social support and self-effectiveness significantly. And the work-family conflict had no significant direct effect but significant indirect effect on the meaning of life. Second, social support and self-effectiveness had complete mediation effects in relation between the work-family conflict and the meaning of life. Therefore, to find the meaning of life for middle-aged married female workers, it is necessary to enhance their social support and self-effectiveness. Based on the results of the study, we suggested the discussion for education and counseling.
일반논문 : 추재 조수삼의 『경원총집(經원總集)』에 대하여
이수진 ( Su Jin Lee ) 한민족문화학회 2007 한민족문화연구 Vol.20 No.-
이 논문은 추재 조수삼이 1793년에 직접 정리한 그의 초기 저작 『경원총집(經원總集)』에 대한 검토이다. 먼저 『경원총집』의 체재와 발간 경위, 그리고 그것이 『추재집(秋齋集)』과 맺고 있는 관계를 살펴보았다. 이를 바탕으로 『경원총집』에 실려 있는 작품세계를 고찰하고 그것이 지닌 자료적 가치 등을 모색하였다. 『경원총집』은 2권으로 이뤄져 있는데 권1에는 『죽서수창(竹西酬唱)』·『다산집유(茶山輯遺)』, 권2에는 『연행기정(燕行紀程)』·『청야만영(靑野漫詠)』이 실려 있다. 먼저 『죽서수창』과 『다산집유』에서는 세속에서 벗어나 자연 속에서의 삶을 영위하고자 하는 은거의식과 함께 신분의 벽을 절감하며 끊임없이 내면의 자아와 세계의 갈등 양상을 엿볼 수 있다. 권2의 『연행기정』편에는 1789년 1차 연행 당시의 견문을 고스란히 담아냈을 뿐만 아니라 그 과정을 순차적으로 기록하고 있어 연행노정을 쉽게 알게 하였다. 이러한 첫 연행은 그의 세계관을 변모시키는 계기가 되었다. 『청야만영』에서는 다양한 교유관계가 드러나는데, 무엇보다도 젊은 시절 실학자 이덕무와의 교유는 추재에게 있어서 현실 사회에 대한 관심을 불러일으키는데 보다 결정적인 역할을 하게 된다. 추재의 문학 연구가 주로 후반기 작품들에 집중되어 있어 전반기 작품들에 대해서는 논의된 바가 거의 없었다. 이러한 점에서 초기 저작 『경원총집』은 추재 문학의 연구 자료로써 상당한 가치를 지닌다. 또한 『경원총집』은 추재가 자신의 저작을 연대순으로 구성한 것이어서 『추재집』의 연대기순 편찬론의 재고는 물론이고 추재 문학 전반에 대한 재검토를 필요로 하게 한다. This study examines 『Gyeongwonchongjip』, one of the early writings by Chujae Jo Su-sam, a middle class literary man in the 18th-19th centuries. This work was authored by Jo himself in 1793. First, I investigated the structure of 『Gyeongwonchongjip』, the procedure of its publication, and its relation with 『Chujaejip』. Based on these, I examine the literary world of the works in 『Gyeongwonchongjip』, and explore their literary values. 『Gyeongwonchongjip』 consists of two volumes <volume 1> contains 『Jukseosuchang』, and 『Dasanjipyu』, and <volume 2> 『Yeonhaenggijeong』, and 『Cheongyamanyeong』. As the date of the writing of 『Yeonhaenggijeong』, which contains the report of the first travel to Khanvalikh in 1789, is clear, it is necessary to reconsider the claim that 『Chujaejip』, which was published in 1939, is edited chronologically. With the 19th century as the middle point, Chujae`s poems in the first half take life in nature as their subject matters, and those in the second half realistic life in the. We can observe a clue to such a change in Chujae`s poems from 『Gyeongwonchongjip』. First, along with the hermitage consciousness that pursues a life in nature beyond the mundane world, we can see aspects of the poet`s incessant conflicts with the inner ego out of his keenly feeling the great wall of social classes from 『Jukseosuchang』, and 『Dasanjipyu』. On the other hand, in <Goryeogungsa> in 『Dasanjipyu』 he expresses his interest in historical conventions. In addition to this, the first travel to Khanvalikh in 1789 would have greatly changed his mind. 『Cheongyamanyeong』 reveals his various friendly relations with others; especially, his association with Lee Deok-mu, a Silhak scholar, is the most prominent. In Chujae`s younger days, his association with Lee would have played a decisive role in making him interested in real society.