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김영근 ( Young Keun Kim ) 한국복음주의 기독교상담학회 2010 복음과 상담 Vol.14 No.-
본 연구는 청소년의 성문제를 위한 목회상담적 접근을 시도했다. 먼저 청소년의 성의식과 성문제를 연구한 논문 및 자료들을 선행 연구했다. 그런 다음에 청소년의 성의식을 살펴보았고 청소년의 성문제를 성욕증가, 자위행위, 혼전성관계, 데이트, 사회학습적 접근 등의 5가지로 나누어서 연구했다. 청소년의 성문제 5가지 중에서 핵심이 되는 혼전성관계를 집중해서 살펴보았고 혼전성관계의 원인과 논쟁을 다루었고 혼전성관계에 관한 성경적인 관점을 연구했다. 그런 다음에 청소년 성문제를 위한 목회상담적 대안을 10가지로 제시했다. 본 연구의 10가지 대안은 오성춘의 청소년신앙교육의 목표 5가지 항목과 McDowell과 Hostetler의 청소년 상담자의 자질 8가지에 근거해서 작성했다. 청소년성문제를 문제를 위한 10가지 목회상담적 대안은 다음과 같다. ① 청소년의 이야기에 경청하라 ② 성교육의 현장으로 가정과 부모를 활용해라 ③ 청소년의 성교육을 위해 교회의 역할을 실천하라 ④ 청소년들의 바른 신앙과 가치관 확립을 도와라 ⑤ 청소년들의 삶을 섹스 외에 더 좋은 것으로 채우도록 격려하라 ⑥ 청소년성교육을 담당할 지도자를 육성하라 ⑦ 성문제에 실패한 청소년을 적극적으로 수용하라 ⑧ 성문제에 대한 타협적인 자세를 배격하라 ⑨ 성적만족에 관한 체감의 법칙을 숙지시켜라 ⑩ 청소년들에게 성적인 금욕을 선택하도록 권면하라. This paper focussed on the role of pastoral counseling for adolescents’ sexual problems. Firstly, this paper researched several previous studies on sexuality perception and problems among the youth. This paper illustrated five items including increase of sexual desire, masturbation, premarital sex, date, social learning theory as adolescents’ sexual problems. This paper furthermore concentrated its study on premarital sex as the most concerning issue among the five items. This paper illustrated 10 approaches as the role of pastoral counseling for the adolescents’ sexual problems. The ten items were made on the basis of Oh Sung Choon’s five aims of Christian education for the young and McDowell and Hostetler’s seven qualities of Christian counselors for the young. The ten approaches are as follows. ① Listen to carefully adolescents’ hurt story ② Utilize family and parents of the adolescents as a bridge of sexual counseling ③ Put the function of church for juvenile sex education into practice ④ Build up adolescents’ right belief system and value system ⑤ Encourage up adolescents to fill up their lives with better valuable things besides sex ⑥ Bring up specialists of the adolescents’ sex counseling ⑦ Accept positively the adolescents with failed experiences in sexual problems ⑧ Resist a compromising attitude against sound Christian sexual ethics ⑨ Teach adolescents the law of diminishing in sexual satisfaction ⑩ Admonish desirable attitude and behavior toward sex.
김영근,허창우,Kim, Young-Keun,Hur, Chang-Wu 한국정보통신학회 2008 한국정보통신학회논문지 Vol.12 No.10
현대에 컴퓨터를 기반으로 무선으로 데이터를 측정하고 제어하는 device들이 보편화되어 있으며, 낮은 가격으로 높은 성능을 낼 수 있는 device들이 각광 받고 있다. 그리고 산업 환경에서 유선 이용이 불가능한 곳이나 직접 사람이 들어갈 수 없는 위험한 장소의 거리 측정 할 때 Zigbee 통신 Solution을 이용한다면 공간의 제약 없이 컴퓨터로 데이터를 분석 처리 할 수 있다. Zigbee 통신은 기존의 RF나 bluetooth등에 비해 전력소모에서 효율적이고 battery 사용을 장시간 사용할 수 있는 장점을 가지고 있다. 또한 시스템 구현 비용이 아주 저렴하기 때문에 네트워크에 많은 노드들을 설치 할 수 있다. 이에 본 논문에서 구현한 거리 측정 무선 송/수신 시스템은 여러 개의 LMC(Laser Measuring Control)와 이에 상응하는 여러 개의 Slave Zigbee에서 하나의 Master Zighee 까지 무선으로 데이터를 송신한다. Master Zigbee는 LMC에서 측정한 데이터들을 수신 받아 컴퓨터로의 처리를 하고자 하였다. At the present day, devices for measurement and control of data by wireless based computer have been generalized. The devices with low cost and high performance have been spotlighted. If Zigbee communication solution is used in dangerous places and places that can not in use wire communication, computer can process data without limitation. Zigbee communication solution is effective in power consumption as compared with RF or bluetooth and can use battery. System cost of Zigbee also is very low, so can install lots of nodes. The system made in this paper transmit by wireless many LMCs(Laser Measuring Control) of wireless transmission system for distance measurement and many slave Zigbee to a master Zigbee.
김영근,Kim, Young Keun 한국터널지하공간학회 1999 자연, 터널 그리고 지하공간 Vol.1 No.2
Recently, many deformations in tunnel such as crack and leakage were occulted. Specially, the defects of tunnel lining have been a serious problem in safety and stability many repair works for maintenance in tunnel have been carried out. Therefore, it is necessary to estimate the structural cracking for countermeasure in deformed tunnel and to investigate on the characteristics of lining system and the soundness of tunnel. In this study model tests for tunnel lining were carried out using test apparatus and centrifuge, In the direct loading test, the prototype was Kyungbu high-speed railway tunnel and the scale is 1/10, and lining models were made of concrete. Test conditions included load conditions such as direction, shape and type, lining conditions such as single and double lining, thickness, and reinforcement. In centrifuge model test, the prototype was Seoul subway tunnel and the scale is 1/100, and lining models were made of aluminum and hydrostone. Test conditions included tunnel defects such as thickness shortage. behind cavity and longitudinal cracks, reinforcement methods such as epoxy, grouting and carbon sheet. From these model tests , the characteristics of deformation and failure for tunnel lining were estimated, and the structural behaviors of deformed lining and the effects of repair and reinforcement for tunnel lining were researched.
아크릴 공중합체와 지방산 카르바미드의 블렌딩에 의한 내구유연발수제의 제조에 관한 연구 - Ⅰ . 면직물에의 발수가공 -
김영근,이종민,박은경,박홍수 ( Young Keun Kim,Chong Min Lee,Eun Kyung Park,Hong Soo Park ) 한국공업화학회 1994 공업화학 Vol.5 No.2
내구유연발수제를 제조할 목적으로 전보에서 합성한 poly(OMA-co-DAMA)[PODC], poly(DMA-co-DAMA)[PDDC], poly(EMA-co-DAMA)[PEDC] 각각의 양이온화물, 본 실험에서 합성한 지방산 카르바미드의 양이온화물(ODTCC), 왁스류 및 유화제들을 블렌드시켜 발수제 PODCW, PDDCW, PEDCW를 각각 제조하였다. 발수제 PODCW, PDDCW, PEDCW 각각을 면직물에 단독 및 수지병용으로 처리하여 내세탁성, 인열강도, 방추도 및 접촉각 등을 측정해본 결과, 물성의 향상을 가져왔다. 그러나 발수도는 PODCW의 경우 80 정도로 사용 가능하였으나, PDDCW와 PEDCW의 발수도는 현저히 저하되었다. 제조된 발수제의 적정 열경화온도는 140℃, 적정 사용농도는 3wt%이었고, 사용된 발수제용 촉매 중 아세트산나트륨이 가장 좋았으며, 촉매의 사용농도는 0.6wt%가 적당하였다. 또한 발수제와 셀룰로오스 섬유화의 반응메카니즘을 규명하고 내세탁성 결과치를 검토한 결과, 제조된 발수제가 내구성 발수제임을 입증하였으며, SEM으로 발수처리된 면직물의 표면구조를 관찰하였다. Each of the three cationized compounds synthesized previously, poly(OMA-co-DAMA)[PODC], poly(DMA-co-DAMA) [PDDC] and poly(EMA-co-DAMA) [PEDC] was blended with waxes, emulsifiers and cationized fatty carbamide(ODTCC) synthesized in this study for the preparation of some durable softening water-repellenting agents, PODCW, PDDCW and PEDCW. The results of washability, tearing strength, crease recovery and contact angle of the cotton fabrics treated with PODCW, PDDCW and PEDCW with and without textile finishing resin, showed remarkable improvement of the physical properties. Rating of water repellency of cotton fabric treated with PODCW was 80, but those treated with PDDCW and PEDCW were not high enough to use in industry. Proper curing temperature of the synthesized water-repelleting agents was 140℃; proper using concentration was 3wt% ; sodium acetate was the best catalyst for water-repellenting agents among the used, and proper concentration was 0.6wt%. From the results of reaction mechanism of cellulosic fiber with water-repellenting agent and washability of the fibers treated with water-repellenting agents the prepared water-repellenting agent proved to be durable. Surface structures of cotton fabrics treated with water-repellenting agent were investigated by SEM.
아크릴 공중합체와 지방산 카르바미드의 블렌딩에 의한 내구유연발수제의 제조에 관한 연구 - Ⅲ . 나일론 직물에의 발수가공 -
김영근,박창환,박홍수 ( Young Keun Kim,Chang Hwan Park,Hong Soo Park ) 한국공업화학회 1995 공업화학 Vol.6 No.1
내구유연발수제를 제조할 목적으로 전보에서 각각 합성한 poly(OMA-co-DAMA)[PODC], poly(DMA-co-DAMA)[PDDC], poly(EMA-co-DAMA)[PEDC] 각각의 양이온화물과 지방산 카르바미드의 양이온화물을, 왁스류 및 유화제들과 블렌드시켜 발수제 PODCW, PDDCW, PEDCW를 각각 제조하였다. 발수제 PODCW, PDOCW, PEDCW 각각을 나일론 태피터에 단독 및 수지병용으로 처리하여 내세탁성, 방추도, 인열강도 및 접촉각 등을 측정해 본 결과, 물성의 향상을 가져왔다. 그러나 발수도는 PODCW의 경우 90^- 정도로 사용가능하였으나, PDDCW화 PEDCW의 발수도는 저하되었다. 또한 발수제와 나일론 섬유와의 반응메카니즘을 추정하고 내세탁성 결과치를 검토한 결과 제조된 발수제가 내구성 발수제임을 입증하였으며, SEM으로 발수처리된 나일론 태피터의 표면구조를 관찰하였다. Durable softening water-repellenting agent such as PODCW, PDDCW and PEDCW were prepared by blending cationized compounds such as poly(OMA-co-DAMA)[PODC], poly(DMA-co-DAMA)[PDDC] and poly (EMA-co-DAMA)[PEDC], and cationized compound of fatty carbamide, of which synthetic methods were reported in the previous paper, wakes, and emulsifiers. The results of washability, crease recovery, tearing strength and contact angle of the nylon taffeta treated with PODCW, PDDCW and PEDCW with and without textile finishing resin, showed a remarkable improvement of the physical properties. Rating of water repellency of nylon taffeta treated with PODCW was 90^-, but those treated with PDDCW and PEDCW were not high enough to use in industry. From the results of the searching of reaction mechanism of nylon fiber with water-repellenting agent and washability of the fiber treated with water-repellenting agents, the prepared water-repellenting agent proved to be durable. Surface structures of nylon taffeta treated with water-repellenting agent were examined by SEM.
흉부 전산화단층촬영검사를 위한 최적의 저선량 프로토콜에 관한 팬텀연구
김영근(Young-Keun Kim),양숙(Sook Yang),왕태욱(Tae-uk Wang),김은혜(Eun-Hye Kim) 대한방사선과학회(구 대한방사선기술학회) 2021 방사선기술과학 Vol.44 No.2
The purpose of this study was to evaluate optimal CT scan parameters to minimize patient dose to the irradiation and maintain satisfactory image quality in low-dose chest computed tomography (CT) scans. In a chest anthropomorphic phantom, chest CT scans were performed at different kVp and mA within reference of 3.4mGy in volume CT Dose Index (CTDIvol). The following quantitative parameters had been statistically evaluated: image noise, signal-to-noise ratio (SNR), contrast-to-noise ratio (CNR), and figure of merit (FOM). Nine radiographers conducted the blind test to select the optimal kVp-mA combination. Results indicated that the kVp-mA combination of 80kVp-90mA, 100kVp-50mA, 120kVp-30mA and 140kVp-30mA were obtained high SNR and CNR. The 120kVp-30mA combination offered good compromise in the FOM, which showed the quality and dose performance. In the blind test, an image of 80kVp-90mA obtained a high score with 4.7 points, and 120kVp-10mA or 140kVp-10mA with a low tube current were observed severe noise and poor image quality, thus resulting in decreased diagnostic accuracy. On the other hand, in the combination of high kVp and high mA(140kVp-90mA), the image quality was improved, but the radiation dose was also increased. the FOM value of 140kVp-90mA was lower than 120kVp-30mA. The application of appropriate scan parameters in low-dose chest CT scans produced satisfactory results in dose and image quality for the accuracy of the clinical diagnosis.
1980 년대와 1990 년대의 불명열 원인의 비교분석
김영근(Young Keun Kim),김명수(Myoung Soo Kim),이꽃실(Kkot Sil Lee),허애정(Ae Jung Huh),염준섭(Joon Sup Yeom),홍성관(Sung Kwan Hong),장경희(Kyung Hee Chang),송영구(Young Goo Song),김준명(June Myung Kim) 대한내과학회 2001 대한내과학회지 Vol.61 No.5
N/A Background : Physicians find fever of unknown origin (FUO) a difficult problem to solve. Analysis of the causes of FUO may be useful in the diagnosis of FUO. We investigated the causes of FUO in the last two decades from 1980 to 1999 and compared the two decades to seek for a trend of changes of the causes of FUO. Methods : Among 854 patient s diagnosed as FUO on discharge, we retrospectively reviewed 278 patient s compatible with the Petersdorf`s criteria through inpatient and outpatient medical records . Results : There were 144 (51.5%) men and 134 (48.2%) women. Among the 98 patients in the 1980s, infectious disease was the cause in 37 (37.8%) patients, collagen vascular disease in 17 (17.3%), malignancy in 8 (8.2%), miscellaneous in 11 (11.2%), and unidentifiable cause in 25 (25.5%) patients. Among the 180 patients in the 1990s, infectious disease was the cause in 45 (25.0%) patients, collagen vascular disease in 37 (20.5%), malignancy in 34 (18.9%), miscellaneous in 45 (25.0%), and unidentifiable cause in 19 (10.6%) patients. According t o the order of frequency, the causes of infectious disease were pulmonary tuberculosis (19.4%), extrapulmonary tuberculosis (8.2%), liver abscess (4.1%) in the 1980s and extrapulmonary tuberculosis (17.2%), pulmonary tuberculosis (4.4%), liver abscess (1.1%) in the 1990s. The diagnostic methods for evaluation of FUO were culture (45.6%), radiology (17.6%), serology (16.2%), and biopsy (10.3%) in the 1980s and radiology (31.5%), biopsy (26.9%), culture (21.5%) and serology (20.0%) in the 1990s. Conclusion : Among the causes of FUO, infectious disease decreased and collagen disease and malignancy increased with time. The most common cause of infectious disease was pulmonary tuberculosis in the 1980s but extrapulmonary tuberculosis in the 1990s. Use of radiology and biopsy as diagnostic methods for FUO increased.(Korean J Med 61:546- 552, 2001)