http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
주정란(Jeong Ran Joo),이성근(Sung Keun Lee) 한국전자통신학회 2007 한국전자통신학회 논문지 Vol.2 No.2
무선 센서 네트워크는 다수의 센서 노드로 구성되며, 센서 노드들의 협력 작업을 통해 하나의 공통 작업을 수행한다. 본 논문은 무선 센서 네트워크에서 발생하는 일시적인 혼잡상황을 제어하기 위해 기존의 ECN 메커니즘과 크로스 레이어 기술을 적용한 혼잡제어 메커니즘을 제안하였다. 성능분석을 위해 NS-2 시뮬레이터를 이용하여 무선 센서 네트워크에 혼잡상황 발생시 싱크 노드에서의 패킷 처리율을 분석하였다. 시뮬레이션 결과는 제안된 메커니즘이 무선 센서 네트워크의 혼잡에 효과적으로 대응함을 나타내었다. Wireless Sensor Network(WSN) is composed of a large number of sensor nodes and accomplish a common task such as environment monitoring or asset tracking. This paper proposed a congestion control mechanism applying the ECN mechanism and the cross layer design to cope with temporal congestion in WSN. We experimented with the proposed congestion control mechanism using ns-2 simulator and measured the throughput of sink node. Simulation results show that the suggested mechanism can improve the performance of packet throughput by dealing with the congestion of network efficiently.
주정란,박오장 성인간호학회 1996 성인간호학회지 Vol.8 No.1
This study was done to understand the degree of quality of life and perceived family support, and to identify the relationship between quality of life and perceived family support in dialysis patients. The subjects were consisted of 140 patients who had been treated by dialysis at the 6 dialysis units of 6 hospitals located in Kwangju and Chunju cities. Data were gathered from July 8 to October 27, 1992 through interviews by questionnaire. Analysis of data were done by frequency, t-test, ANOVA, and Pearson Correlation. The results were summarized as follows : 1. The mean score of perceived family support was 48. 5 of total 64 points. 2. In general characteristics, influencing factors to the perceived family support were age(F=6.87, p<.001), religion(F=2.45, p<.01), marital status(F=8.55, p<.001), monthly income(F=3.96, p<.05), present occupation(F=3.48, p<.05), using erythropoietin(F=3.48, p<.01), and supportive resource person(F=7.02, p<.001). 3. The mean score of the quality of life was 134.2 of total 220 points. 4. In general characteristics, influencing factor to the quality of life was only the present occupation(t=2.70, p<.01). 5. The relationship between perceived family support and quality of life showed a positive correlation(r=.3486, p<.001).The higher family support they perceived, the higher quality of life they had.
Fawcett의 C-T-E 구조에 의한 일 간호연구논문 분석
박오장,박영주,송남호,오현자,이난희,주정란,최인희 전남대학교 간호과학연구소 2002 Nursing and Health Issues(NHI) Vol.7 No.1
This research was done to analyze the internal consistencies between Conceptual Model Concept-Theoretical Concept-Empirical indicators(C-T -E) in Han’s paper(1998) by Fawcett’s C-T -E structure(1 999). The result was summarized as follows. The first step: The concepts of Han’s paper(1 998) was induced from the Self Care Model of Orem(1995), and Han used only two theories of three in it : the ’health deviation self-care requisites’ deducted from self-care theory and ’supportive education system' deducted from nursing system theory. The supportive education system of the Orem’s model was integrated with the interactive role theory of Dracup and Meleise(1982) before applying it to this research. The second step: Three concepts of middle-range theory within the Han's paper (1998) are self-care performance, family support activities, and patient education participated with family in patients with. coronary artery disorders. The third step: Han(1 998) used 8 prepositions(5 existence and 3 relaional statments) deducted from Orem’s self care model and the interactive role theory of Dracup and Meleis(1982)., and 12 propositions(3 existence and 9 relational statments) in the middle range theory of the Han’s paper(1 998). The fourth step: Propositions were classified by the level of abstractness into abstract propositions, somewhat concrete propositions, more concrete propositions, and most concrete propositions. The fifth step: Han did not show the diagram of C - T -E structure. The researchers presented Han’s paper as the diagram of Fawcett’s C-T -E structure(see figure 1). Finaly, Han’s paper(1 998) was showed well its internal consistencies between concepts of conceptual model, middle range theory and empirical indicators despite that it did not showed the diagram of C-T -E structure. During this analysis of the paper on the C-T -E structure, the hierarchical structures of research concepts could be clearly grasped between the each concepts in each theories deduced from the conceptual model. The researchers agreed to suggest as follows: 1. The research errors could be reduced by using the diagram of C-T-E structure before collecting research data. 2. The theory evaluation on logical adequacy could be more convenient by using the diagram of C-T -E structure. 3. The diagram of C-T -E structure could help understanding nursing theory or nursing science between nursing scientists or those of multi-disciplinary.