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서울시 복지관에 근무하는 간호사의 직무스트레스와 직무만족도에 영향을 미치는 요인
임희자 지역사회간호학회 2005 지역사회간호학회지 Vol.16 No.3
Purpose: The purpose of this research was to find out factors affecting job stress and job satisfaction of nurse working at the welfare centers. Methods: This study was performed with 140 nurses who were working at or had retired within 1 year from general welfare centers in Seoul during the period from March 29 to February 29 2004. We used a questionnaire asking about general character-istics, work characteristics, stress factors and job satisfaction. We analysed 103 subjects who replied to the questionnaires. Results : The mean job stress level was 2.84 out of 5 and, as for the sub-factors of job stress, income was 4.19, career development 3.69, service environment 3.26 and support system 1.90. The mean job satisfaction level was 3.32 out of 5 and, as for the sub-factors of job satisfaction, job control was 3.58, efficiency of organization 3.27, job burden and responsibility 2.92 and role ambiguity 2.25. When the nurses' job stress was compared according to their general and work characteristics, stress level was significantly high in nurses who had a shortexperience, were working at the department of senior welfare center, or were the only staff at their workplace (p<0.05). In addition, satisfaction level was significantly high in nurses who were working at the department of senior welfare center and medical welfare team, were the only staff at their workplace or had a heavy work load (p<0.05). According to the results of multiple regression analysis, job stress level was influenced by age (=0.212, p<0.01), and job satisfaction level by the number of staffs and work load (=0.272, p<0.1), Conclusions: The results of the study suggest that good atmosphere should be made up to communicate between the departments at the workplace in order to lessen job stress and enhance job satisfaction of nurses working at welfare centers. In addition. role division and job duties among special staffs should be reviewed in order to achieve nigh efficiency in performing job duties.
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임희자,송주환,오병균 木浦大學校基礎科學硏究所 1998 基礎科學硏究誌 Vol.16 No.-
We describe a segmentation of head MR images using the statistical method. This comprises five stages, such as user interactive identification of tissue classes, calculation of a probability distribution for each tissues, segmentation of MR images using the probability distribution, interpolation of the segmented MR Images, and Rendering. We segment a head MR image into four sorts of tissues, such as air, face, brain, and CSF. MRI can generate three types of MR images, such as PD(proton density), T1(spin-lattice relaxation time), and T2(spin-spin relaxation time). We calculate mean, variance, correlation from sample point of two images among the three types of images, - in results, because PD and T2 correlation is the largest one of them, we use PD and T2 MR images -and we acquire the bivariate normal probability distribution for each tissues using those. MR images are segmented using the bivariate normal probability distribution into each tissues.
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공유메모리 비동기 다중프로세서 시스템에서 GTD를 위한 효율적인 알고리즘
임희자(Hee-ja Im),신덕희(Duck-hee Shin),오병균(Byeong-kyun Oh) 한국정보과학회 1999 한국정보과학회 학술발표논문집 Vol.26 No.1A
병렬 시스템에서 GTD 문제는 메시지 패싱에 의해 해결되는데, 공유메모리 시스템에서 GTD 문제는 Locking 기법에 의해 상호배타적으로 변수를 이용하여 해결한다. 본 논문에서는 Locking을 이용하지 않고, 공유메모리 비동기 다중프로세서 시스템에서 GTD 문제를 해결하는 알고리즘을 제안하였다. 제안한 알고리즘은 n개의 프로세서를 갖는 시스템에서 GTD 점검을 위해 2n+1 비트의 작업공간을 할당함으로써 최악의 경우 시간 복잡도를 개선하였다.
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창원시 주남저수지에 도래하는 재두루미와 쇠기러기의 농경지 이용 특성
김수경,임희자,임진희,박소연,윤채린,임재희,윤채영,최우진,정인혜,박시룡 한국자연보호학회 2015 한국자연보호학회지 Vol.9 No.2
In Baekyang rice fields near the Junam reservoir, 87 of White-naped cranes Grus vipio and 1,010 individuals of White-fronted geese Anser albifrons were observed on average. The number of White-naped cranes and White-fronted geese observed in B site was higher than that in A site where the frequency of disturbances such as vehicles and visitor’s accesses were higher. After the vehicles’ and people’s access were controlled, the number of White-naped cranes used in A site increased significantly, but that of White-fronted geese didn’t increase significantly. We propose that the controls for the vehicles’ and visitor’s accesses to the Baekyang birdwatching facilities in A site from November to March will stably enhance the foraging opportunity of White-naped crane in the Baekyang rice fields. Among the four types of rice fields, Whitenaped cranes and White-fronted geese preferred mostly to forage at the rice fields which were not plowed and straws were removed. White-fronted geese also preferred to forage at the barley cultivated fields. Small number of White-naped cranes choose the rice fields which were not plowed and straws were left with highest density of seeds (308 m2) in rice fields and lowest proportion of Baekyang rice fields. And the two species didn’t forage at the plowed rice fields. We propose to recommend to farmers to leave straws and not to plow in rice fields.
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채혈후 시간경과와 항응고제 종류에 따른 세포형태의 변화에 관한 연구
나종석 ( Jong Suk Rha ),임희자 ( Hee Ja Lim ),류근선 ( Keun Seun Ryu ) 대한임상검사과학회 1980 대한임상검사과학회지(KJCLS) Vol.12 No.1
Anticoagulants used in the prevention of coagulation are various in kinds, but their appropriate choice is necessary for correct hematological examination. And immediate examination of blood should be done as soon as possible because delay of the examination of anticoagulated blood affects the morphology. Authors studied the effects of anticoagulants, EDTA and double oxalate, that are commonly used in hematology section of clinical pathology in Korea. Blood smears from two healthy male were made immediately without anticoagulation as well as 2, 4, 8 and 24 hours after collection using EDT A or double oxalate respectively. The results were as follows: 1. Morphological changes, such as cytoplasmic distortion and nuclear irregularity , lobulation or indentation, were evident in anticoagulated blood smears. 2. The morphological changes were more marked in anticoagulated blood with double oxalate. 3. The morpholigcal examination with auticoagulated blood should be performed at least within 2 hours after collection.
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