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한약재 및 약선 식재료의 인지도에 관한 연구 -서울지역을 중심으로-
조영신,윤수경,김명희,Cho Young-Shin,Youn Su-Kyung,Kim Myoung-Hee 동아시아식생활학회 2006 동아시아식생활학회지 Vol.16 No.1
Nowadays, people are more concerned about health food than satisfying their hunger. Therefore, media presents programs related to health food such as dietary food, traditional food, and herbal items. The trend has emphasized the importance of traditional food items and the need for a 'han-bang' menu development The purpose of this study was to identify the perception of herbal items and other food items used in medicinal cuisine in the Seoul Area. Out of 300 questionnaires distributed, 287 were collected and analyzed. Descriptive analysis, factor analysis, ANOVA, and T-test were conducted using SPSS 12.0 for windows. This study identified that the perception of herbal items was influenced by age, education, and wage level. Daily eating habits partially affected on the perception of herbal items. Accordingly, these findings indicate that it is necessary for 'han-bang' menu' development set to target market.
조영신,권선주,윤미영,이미화,안소희,공유정,Cho, Young Shin,Kwon, Sun Ju,Yun, Mi Young,Lee, Mi Hwa,An, So Hee,Kong, Yu Jeong 한국중환자간호학회 2016 중환자간호학회지 Vol.9 No.2
Purpose: This study aimed to develop a nursing handoff protocol for intensive care units and test its relevance. Methods: This is a methodological research to develop a protocol. A preliminary protocol was developed by composing items and testing content validity through literature review and experts' review. We revised and complemented the preliminary protocol following practical relevance assessment of 38 intensive care unit nurses at a university hospital to test content validity and to assess practical relevance of the final protocol. Results: On the basis of the content validity test for the final protocol, 40 items were adopted. The scores for the practical relevance of the final protocol increased significantly for items such as accuracy of handoff, reduction of handoff-related errors, convenience in using the protocol, reduction in handoff time, and simplification of handoff. Conclusions: The nursing handoff protocol for intensive care units in this study is expected to improve nursing performance with a standardized handoff in intensive care units, promote patient safety, and improve communication among the medical staff.
조영신,이제훈,조경록,Cho Young-shin,Lee Je-hoon,Cho Kyoung-rok 대한전자공학회 2005 電子工學會論文誌-SD (Semiconductor and devices) Vol.42 No.12
SoC(systnn-on-a-chip) requires high bandwidth system bus for performing multiple functions. Performance of the system is affected by bandwidth of the system bus. In this paper, for efficient management of the bus resource on a SoC platform, we present a latency model of the shared bus organized by multiple layers. Using the latency model, we can analyze latencies of the shared bus on a SoC. Moreover we evaluate a throughput of the bus and compare with needed throughput of the SoC platform including IPs such as MPEG or USB 2.0. And we can use the results as a criteria to find out an optimal bus architecture for the specific SoC design. For verifying accuracy of the proposed model, we compared the latencies with the simulation result from MaxSim tools. As the result of simulation, the accuracy of the IS model for a single layer and multiple layer are over $96\%\;and\;85\%$ respectively. SoC 설계 기술의 발달로 하나의 칩 내에 집적되는 시스템이 다양한 기능을 수행함에 따라 높은 버스 대역폭이 요구되고 있으며, 시스템 버스의 성능이 전체 시스템의 성능에 큰 영향을 미치고 있다. 본 논문은 다중 마스터를 갖는 SoC용 플랫폼의 효율적인 버스 자원 관리를 위해 다층 구조를 갖는 공유 버스의 레이턴시 모델을 제시하였다. 제안된 모델을 이용하여 시스템의 특성과 레이어 및 마스터 수의 증가에 따른 버스의 레이턴시를 분석하였다. 레이턴시 모델을 통해 유도된 버스 처리량과 MPEG, USB2.0과 같은 IP를 포함하는 SoC플랫폼이 필요로 하는 처리량과의 비교를 통해 IP 수에 적합한 버스 레이어를 정량화하여 특정 SoC플랫폼에 최적인 멀티레이어 구조를 도출하였다. 끝으로 제안된 모델의 레이턴시와 MaxSim을 이용한 버스의 레이턴시를 비교하였을 때, 싱글레이어와 멀티레이어에서 각각 $96\%$와 $85\%$ 이상의 정확도를 보였다.
DGEBA / MDA / SN 계 트링 열화 현상의 프랙탈 특성
조영신,심미자,김상욱 ( Young Shin Cho,Mi Ja Shim,Sang Wook Kim ) 한국공업화학회 1995 공업화학 Vol.6 No.6
내 충격성을 강화시키기 위해 SN이 도입된 DGEBA-MDA-SN계에서 교류 고전계 인가하에 발생하는 장기 열화현상인 전기트리의 형상을 프랙탈 차원을 이용하여 정량적인 해석을 시도하였다. 인가전압을 달리하여 트리 길이를 측정하고, scale-covering 법에 의해 프랙탈 차원을 구하였다. 발생된 트리는 프랙탈성을 나타내었고 인가전압이 증가함에 따라 프랙탈 차원은 감소하였다. 그리고 전계 인가시간에 따라 증가하다가 수렴하여 특정한 차원을 갖는 트리로 성장함을 확인할 수 있었고, 형상의 변화를 프랙탈 차원 관찰을 통하여 정량적으로 해석할 수 있었다. The long term deterioration associated with the phenomenon of electrical treeing in the DGEBA-MDA-SN system is discussed quantitatively from the viewpoint of fractal dimension analysis. Samples in this investigation were SN introduced DGEBA-MDA-SN system to reinforce the impact resistance of conventional DGEBA-MDA system. The experiment was carried out under AC high voltage application. The generated tree was observed through image analyzer. After that, the tree length was measured and the fractal dimensions of electrical tree was estimated by using a scale-covering method. The results showed that the electrical tree patterns are fractal objects and they can be quantified by means of fractal dimensions.
Aluminum 입자 충전된 DGEBA - MDA 계의 열적성질
조영신,심미자,김상욱 ( Young Shin Cho,Mi Ja Shim,Sang Wook Kim ) 한국공업화학회 1995 공업화학 Vol.6 No.6
열분석기를 이용하여 기계적으로 합금된 알루미늄 입자가 충전된 DGEBA-MDA/Al 복합재료계의 열적성질에 대하여 연구하였다. 초기 분해온도는 승온속도에 관계없이 충전제의 함량에 따라 증가하다가 20 phr 이상에서는 감소하였으며, 40 phr 첨가되었을 때 다시 증가하였다. 열적 안정성의 변화는 Toop`s 식으로부터 구한 열분해 활성화에너지의 변화와 상호 관련성이 있음을 알 수 있었으며 충전된 알루미늄이 열분해 활성화에너지를 증가시켜 열적인 안정성이 증가된 것으로 생각된다. 40 phr에서의 증가는 열전도성이 좋은 충전제가 연속적인 열전도로를 형성함으로써 열적 분산이 원활해졌기 때문으로 생각된다. Thermal properties of mechanically alloyed aluminum particles filled DGEBA-MDA composite systems were investigated over a range of filler contents. Initial decomposition temperature increased up to a critical Al contents regardless of heating rate, beyond which the value decreased and then increased again with filler concentration of 40 phr. A TGA study of the composites showed that the presence of Al powder increases the thermal stability of the system through an increase in activation energy calculated by Toop`s equation to a maximum at a critical filler concentration(20 phr), beyond which the stability decreased slightly and increased again at 40 phr. The increase of thermal stability at 40 phr is considered to be concerned with the formation of thermal conducting path dissipating thermal stress.
집중치료 경험이 중환자실 생존자의 집중치료 후 증후군에 미치는 영향: PLS-구조모형 적용
조영신,강지연,Young Shin, Cho,Jiyeon Kang 한국중환자간호학회 2024 중환자간호학회지 Vol.17 No.1
Purpose : Post-intensive care syndrome (PICS) is characterized by a constellation of mental health, physical, and cognitive impairments, and is recognized as a long-term sequela among survivors of intensive care units (ICUs). The objective of this study was to explore the impact of intensive care experience (ICE) on the development of PICS in individuals surviving critical care. Methods : This secondary analysis utilized data derived from a prospective, multicenter cohort study of ICU survivors. The cohort comprised 143 survivors who were enrolled between July and August 2019. The original study's participants completed the Korean version of the ICE questionnaire (K-ICEQ) within one week following discharge from the ICU. Of these, 82 individuals completed the PICS questionnaire (PICSQ) three months subsequent to discharge from hospital. The influence of ICE on the manifestation of PICS was examined through Partial Least Squares-Structural Equation Modeling (PLS-SEM). Result : The R<sup>2</sup> values of the final model ranged from 0.35 to 0.51, while the Q<sup>2</sup> values were all greater than 0, indicating adequacy for prediction of PICS. Notable pathways in the relationship between the four ICE dimensions and the three PICS domains included significant associations from 'ICE-awareness of surroundings' to 'PICS-cognitive', from 'ICE-recall of experience' to 'PICS-cognitive', and from 'ICE-frightening experiences' to 'PICS-mental health'. Analysis found no significant moderating effects of age or disease severity on these relationships. Additionally, gender differences were identified in the significant pathways within the model. Conclusion : Adverse ICU experiences may detrimentally impact the cognitive and mental health domains of PICS following discharge. In order to improve long-term outcomes of individuals who survive critical care, it is imperative to develop nursing interventions aimed at enhancing the ICU experience for patients.