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김휘중,원승희,임효덕 大韓神經精神醫學會 1999 신경정신의학 Vol.38 No.6
연구목적: 저자들은 West와 Sheldon-Keller가 성인애착을 평가하기 위해 개발한 상호애착척도(Reciprocal Attachment Questionnaire 이하 RAQ)를 우리나라의 사회문화적 배경에 적용가능한 척도로 표준화하기 위해 본 연구를 시행하였다. 방 법: 1998년 4월 29일부터 1998년 6월1일까지 경북대학교 의과대학에 재학중인 의학과 및 간호학과 학생 총 483명(남자: 234명, 여자:249명)을 대상으로 하였다. 한국판 상호애착척도(RAQ-K)의 신뢰도와 타당도를 검정하였고 이를 원 저자의 연구결과와 비교하였다. 결 과: 상호애착척도는 `애착 차원 척도`와 `애착유형 척도`로 나누어지는데, `애착차원 척도`는 5개의 하위척도로 이루어지고, `애착유형 척도`는 4개 하위척도로 구성되어 있다. 각 척도별로 결과는 다음과 같다. `애착차원 척도`의 경우 높은 검사-재검사 신뢰도와 하위척도간 상관관계를 보여 주었고, 하위척도의 내적일치도는 `유용성`과 `이용` 하위척도를 제외하고 높은 결과를 보여 주었다. `유용성` 하위척도는 13번 문항, `이용` 하위척도는 34번 문항이 문항-하위척도 상관관계가 유의하게 낮았다. `애착유형 척도`의 경우 높은 신뢰도를 보여 주었다. RAQ-K의 요인분석 결과 `애착차원 척도`와 애착유형 척도` 모두 이론적 구성처럼 두 개의 요인이 전체의 73.9%, 74.8%를 설명하여 높은 구성타당도를 보였다. 결 론: RAQ-K는 `유용성`·`이용` 하위척도를 제외하고 West와 Sheldon-Keller의 결과와 유사한 정도의 높은 신뢰도와 타당도를 보여 주었다. 향후 일부 문항의 재검정과 다양한 연령과 사회경제적 배경을 가진 집단에 대한 추가연구가 필요하다고 생각된다. Objective: The aim of this study was to develop the Reciprocal Attachment Questionnaire-Korean version(RAQ-K). Methods: The authors tested the reliability of dimensional and pattern scales of RAQ-K with Crohnbach`s alpha, test-retest reliability and interscale correlation, and construct validity with factor analysis. The subjects were Korean undergraduate students: 234 males and 249 females in the medical and nursing schools of Kyungpook National University. Results; The dimensional scale of RAQ-K proved to be reliable in terms of Crohnbach`s alpha coefficient except Availability and Use subscales, test-retest reliability and interscale correlation. The pattern scales of RAQ-K were reliable. Both dimensional and pattern scales were valid with two factor orthogonal rotation. Conclusion: The authors found RAQ-K retained available psychometric properties. But further study with some consideration to develop RAQ-K is expected. This research should assess samples of various age groups or various kinds of patients after considering two subscales. The authors stress that it is very important to consider the cultural difference between the East and the West and characteristics of Korean culture in developing a Korean version of foreign scales.
李貞碩,張殷永,金元厚,方孝昌 한국항공대학교 1991 論文集 Vol.29 No.-
MLS(Microwave Landing System)는 어떤 활주로 상황에서도 기종에 관계없이 계기착륙이 필요한 항법정보를 정확하고 신롸성있는 상태에서 넓은 운용범위를 갖게되는 시스템으로서 ILS보다 장비기술 및 운용면에서 우수한 것으로 입증되었으며, 공항의 장애물과 악지형의 영향에 따라 유도특성이 방해받더라도 시스템의 가용성에는 제한이 없도록한 특징이 있다. 본 논문에서는 기존의 ISL의 접근절차로서는 불가능했던 비표준 지형과 평행 활주로에서 MSL를 이용한 접근 유도시 활주로 중심선에 대한 접근 오차 한계를 계산하고 기준 활주로와 평행 활주로 각각에 대한 접근유도시 거리오차를 산출하여 MSL를 이용한 정밀 접근유도 상태를 검토하였다. 그 결과 MSL는 비표준 지형 및 평행 활주로에서도 5NM이내의 거리에서는 접근오차가 0.1%(0.16NM)이내를 유지하여 ICAO 기준을 만족함으로써 규정상의 접근유도가 가능함을 알수 있었다. The MLS was followed by definition of a signal-in-space having the accuracy, reliability and coverage to aeronautics needs for all type of aircraft at all runway suitable for terminal instrument procedures. MLS has been demonstrated to be superior to ILS from both technical and operational capabilities. Even at runway where ground terrain and airport obstacles prevent standard split-site installations, the availability of MLS will not be limited. In this thesis, the range error and limitted error bound of a computed centerline approach is derived and identified in order to solve the problems of percision approach guidence at non-standard sitin gand parallel runway. As the result, it is known that the MLS is able to approach guidence with 0.1%(0.16NM) limited range error at non-standard siting and parallel runway within 5NM.
위 유문동 평활근 세포의 전기적 활동에 미치는 Vanadate의 효과
유중배,방효원,엄대용,이상돈 중앙대학교 의과대학 의과학연구소 1990 中央醫大誌 Vol.15 No.1
Effects of vanadate on the resting membrane potential and slow waves of the circular smooth muscle were observed using glass capillary microelectrodes. The obtained results were as follows: 1. Vanadate did not show any effects on; the slow waves of spontaneously beating preparations. 2. Variation of the resting membrane potential due to the change of outside K^+ was 20-28m V/decade which suggested the significant contribution of Na^+ to maintain the resting membrane potential. 3. Vanadate did not show any further effects on the depolarized state about l0mV by outside 20mM K^+. 4. Vanadate induced the depolarization in the low outside K^+ condition and the effect was exaggerated when Cal^(2+) was depleted. 5. Vanadate induced the depolarization in the low Na^+ and K^+ condition. It was conjectured that the effects of vanadate were enhancing the voltage-dependent calcium.
이효정,이혜승,한길로,이재원,황적준 大韓法醫學會 2000 대한법의학회지 Vol.24 No.1
DNA analysis has become one of the most powerful tools in forensic inference for human identification and is now used worldwide. It is used to be statistical technique for the individual identification of a civil and criminal action. The purpose of this article is computerization of the statistical technique for the population study and DNA evidence analysis. The system using SAS/AF and SAS/SCL is the graphic user interface and the correspondence of the changed experimental circumstances
이효지,백현남,김정원 한국조리과학회 2004 한국식품조리과학회지 Vol.20 No.6
The objective of this study was to seek the best recipe for making Gamdanja. Gamdanja is a kind of rice cake made from persimmon extract and waxy flour, with a little salt mixed into the waxy flour. The method involved boiling the persimmon extract and beating in the waxy rice powder until all the waxy flour had been added.The procedure was as follows: Gamdanja containing different ratios of ingredients, such as persimmon extract (23, 23.5 and 24 hrs) and waxy rice flour (160 and 180g). The most desirable recipe was determined after sensory examination and mechanical tests using texture, moisture content and colorimeter measurements. The results of the sensory evaluation showed that Gamdanja made using persimmon extracted for 23.5 hrs, with the additional of 160g of waxy flour gave the higher scores for QDA profile, chewiness, delicacy and after swallowing preference than the other ratios. The results of the acceptance test also showed that the Gamdanja made using the persimmon extracted for 23.5 hrs with 160g of waxy rice flour was the best mix in every respect, such as for color and overall acceptability. In the textural analysis of Gamdanja, the hardness, adhesiveness, gununiness and chewiness were increased by the additiong of furtherwaxy flour. The moisture content of Gamdanja with persimmon extracted for 23 Ins was higher than those extracted for 23.5 and 24 hrs. The L-, a- and b-values of Gamdanja were increased with decreasing waxy flour. The sensory and mechanical examinations showed the overall quality of Gamdanja had positive correlations with delicacy and color, but negative correlations with hardness, adhesiveness, gumminess, and chewiness. As a result of these tests, the most desirable recipe for the Gamdanja was persimmon extracted for 23.5 hrs with the additional of 160g of waxy rice flour, containing I% salt and a moisture content of 45.87%.
백정원,김태효,이영철 경남대학교 공업기술연구소 2000 硏究論文集 Vol.18 No.-
본 논문에서는, 영상의 패턴인식에서 에지의 경계를 확실하게 결정하기 위해 주어진 구간의 중앙 값과 서브픽셀(sub-pixel) 처리를 실행하는 알고리즘을 제안하였다. 본 알고리즘은 에지 부근의 기울기 값과 중앙값을 구하기 위하여 램프에지를 일차원 미분을 사용하여 루프에지의 형태로 변환하고, 서브픽셀 단위의 경계위치를 구하기 위하여 CoM(center of Mass)의 오프셋 값을 선정된 기준좌표에 적용하였다. 본 알고리즘을 평가하기 위해서 표준편차 값, 처리시간 및 예측되는 에지의 위치를 Tabatabai 및 Lyvers 알고리즘과 비교하였다. In this paper, a new edge detection algorithm which uses CoM(Center of Mass) method and sub-pixel algorithm is proposed. The procedure of this detector is as fellows; If a edge is ramp edge, we change it to roof edge by the gradient edge detector. To obtain the edge location to sub-pixel resolution, we apply CoM, then applied offset information to the result from CoM procedure. In order to evaluate the performance of this algorithm, we analyzed the standard deviation and the distance between the estimated edge location and the real edge location. We compared the performance with the Tabatabai and Lyvers algorithms.
3D CT를 이용한 파노라마 방사선 사진상 상악 매복 견치 위치 정보의 유용성 평가
김혜정,박효상,권오원 대한치과교정학회 2008 대한치과교정학회지 Vol.38 No.4
3D CT를 이용하여 파노라마에서 얻어진 상악 매복 견치 위치 정보의 유용성을 평가하기 위해, 상악 견치 매복을 주소로 경북대학교병원에 내원한 환자를 대상으로 파노라마 방사선 사진과 3D CT에서의 매복 견치의 위치를 평가하였다. 대상은 25명(남자 7명, 여자 18명)으로 평균 나이는 10.9세(범위 : 8.2 - 15.7세)이며, 35개의 상악 매복 견치 증례를 분석하여 다음의 결과를 얻었다. 첫째, 파노라마 방사선 사진은 확대되어 촬영되므로 3D CT의 계측치보다 상악 견치의 tooth length, crown width, vertical distance 그리고 lateral shift값에서 큰 값을 가졌다. 단, angulation to occlusal plane은 파노라마에서 더 작은 값으로 계측되었다. 둘째, 파노라마 방사선 사진상 상악 견치가 구개측으로 매복된 경우, angulation to occlusal plane은 3D CT보다 작게 측정되고 vertical distance는 더 크게 측정되었다. 셋째, 파노라마 방사선 사진에서 상악 매복 견치의 tooth length, crown width 그리고 순측으로 매복된 경우 상악 견치의 angulation to occlusal plane은 3D CT와 근접된 계측치를 가졌다. 또한 CT와 비교하였을 때, 치근 흡수 정도 평가에 대한 파노라마 방사선 사진의 감수성은 33.3%인 것으로 측정되었다. 파노라마 방사선 사진은 협측 매복견치의 위치는 실제와 유사하다고 생각되나 구개측 매복의 경우 3D CT보다 더 높게, 각도는 더 작게 나타나는 등 상당한 차이가 있어 CT를 이용한 추가적인 검사가 필요하다고 생각된다. Objective: The aim of this study was to evaluate the potency of panoramic radiography for the detection of maxillary impacted canines. Methods: Twenty-five patients were selected, comprised of 7 males (mean age: 10.9 years, range: 8.5 - 14.5 years) and 18 females (mean age: 10.9 years, range: 8.2 - 15.7 years). In total, thirty-five maxillary impacted canines were estimated. The position of the canine and root resorption of adjacent teeth were evaluated on panoramic radiography and 3D CT. Results: Except for angulation to the occlusal plane, the other parameters, such as tooth length, crown width, vertical distance and lateral shift showed larger values on panoramic radiography compared to 3D CT. In palatally impacted cases, the angulation of canine was smaller, and the vertical distance to the occlusal place was larger on panoramic radiography than 3D CT. For labially impacted canines, tooth length, crown width, and angulation to the occlusal plane were similar for the two methods. The sensitivity for detecting root resorption on panoramic radiography was calculated as being 33.3% of 3D CT. Conclusions: The position of labially impacted canines can be effectively estimated using panoramic radiography, but palatally impacted canines need further investigation such as 3D CT for proper diagnosis.
서울 居住主婦의 通過儀禮에 대한 意識과 儀禮飮食의 利用實態에 대한 硏究
손유미,정낙원,이효지 漢陽大學校 韓國生活科學硏究所 1992 韓國 生活 科學 硏究 Vol.- No.10
The purpose of this study is to investigate the actual situation of the transitional rites and to reestablish the meaning of that by grasping the relation among urban housewives' view, knowledge and behavior about transitional rites, by grasping the relation of those and background variables, by grasping the actual use -pattern of ritual food. The results are as follows 1.The view of the transitional rites shows significant difference according to educational level(p <0.001) and religion(p<0.001), and shows partial difference according to age, income, and residing shape. The older, the more traditional. With the less income, the more traditional. So do for the less educated, for Buddhist, and for those who live in a private residense. 2.The mean of knowledge about the transitional rites is 13.03. The knowledge shows significant difference according to religion, and shows partial difference according to educational level and income. the mean of knowledge is higher for the less educated, and for Buddhist. Those who earn more than 1500 thousand won have more knowledge than the other groups. 3.The behavior about traditional rites shows significant difference according to religion (p<0.001), residing shape(p<0.05), and shows partial difference according to age, educational level, family constitution, and whether employed or not. 4.There is close correlation(p<0.001) among the views, knowledge, and behavior. The behavior is traditional and the mean of knowledge is high as the view of the transitional rites is traditional.