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요양보호사의 치매태도와 돌봄행위 간의 관계에서 공감역량의 매개효과
오영주,전영희 한국직업건강간호학회 2024 한국직업건강간호학회지 Vol.33 No.1
Purpose: This quasi-experimental study used a non-equivalent control group pretest-posttest design with clinical nurses to develop a compassion improvement program and verify its effects on compassion competence and empathic communication. Methods: The Triandis Interpersonal Behavior model (Triandis, 1980) was used as a theoretical framework, and a compassion improvement program was developed based on the ADDIE model. The experimental treatment in the program was conducted for 120 minutes per session, once a week, for a total of six sessions. The data collection and research period ranged from September 7 to November 16. It involved a pre-survey of measured variables, six sessions of experimental treatment, a post-survey, and a follow-up survey in sequence. The collected data were analyzed using the statistical program SPSS/WIN 25.0 and then based on a t-test and repeated measures ANOVA to verify the effectiveness of the program. Results: Clinical nurses participating in the compassion improvement program showed improved compassion competence (F=8.00, p=.001) due to the cultivation of insight, sensitivity, and communication skills. In addition, the improvement in attentive listening (F=3.32, p=.024) indicated that the program was partially effective in empathic communication. Conclusion: The compassion improvement program for clinical nurses, which was developed in this study, is expected to be useful in nursing practice. In other words, the compassion improvement program may contribute to creating a positive atmosphere in the workplace for nurses and an empathic relationship between nurses and healthcare recipients through improvement in the compassion competence of nurses. If the compassion improvement program is continuously implemented as a facilitating condition, it will greatly help prevent the turnover of clinical nurses, assist them in adapting to hospital life, and enhance the quality of nursing care.
옥수수 (Zea mays) 뿌리에서 에탄올에 의한 알데히드 산화효소의 활성 증가
오영주,박웅준,Oh, Young-Joo,Park, Woong-June 한국생명과학회 2007 생명과학회지 Vol.17 No.8
옥수수의 원뿌리(primary root)를 재료로 외부에서 처리한 에탄올이 알데히드 산화효소의 활성을 변화시키는 현상을 관찰하였다. 에탄올의 촉진 효과는 처리된 에탄올의 농도에 따라 다르게 나타나 알데히드 산화효소는 0.2-0.4% 에탄올 처리 구간에서 대조구에 비하여 낮은 활성을 나타내었으며 0.8-1.0% 에탄올 처리 구간에서는 대조구에 비하여 높은 활성을 나타내었다. 에탄올에 의하여 알데히드 산화효소의 활성이 증가하는 조건에서도 두 개의 알데히드 산화효소 유전자 AO1과 AO2 의 전사 수준에는 변화가 없었다. 그러나 에탄올 처리는 알데히드 산화효소의 단백질 함량을 현저히 증가시켰으며, 이는 에탄올이 알데히드 산화효소 활성을 증가시키는 조절작용이 번역(translation) 단계에서 이루어진다는 사실을 보여주었다. 에탄올, 메탄올 그리고 이소프로판올을 처리한 실험 결과 에탄올에 의해서만 알데히드 산화효소의 활성 증가가 유도되었다. 에탄올은 식물체의 뿌리가 저산소 조건에서 에너지 확보를 위하여 발효를 진행하는 경우 자연적으로 식물체내 농도가 증가하는 물질이다. 따라서 에탄올 처리시에 알데히드 산화효소의 활성이 증가하는 현상은 알코올에 대한 일반적인 반응이 아니라 식물체의 뿌리가 생리적으로 경험할 수 있는 에탄올에 대하여 특이적으로 나타내는 반응이라는 결론을 얻었다. We observed that exogenously applied ethanol changed the activities of aldehyde oxidases (AO) in the primary roots of maize (Zea mays). The stimulatory effect of ethanol on the aldehyde oxidase activities was concentration dependent; the AO activities were slightly weaker with 0.2 - 0.4% ethanol and stronger with 0.8 - 1.0% ethanol than the level of control. The promotion of AO activities was not explained by the increased transcription of two AO genes in maize. In contrast, ethanol strongly increased the amount of AO proteins, indicating that ethanol enhanced AO activities by promoting the translation. Among three alcohols including ethanol, methanol and isopropanol, only ethanol promoted AO activities. These results suggested that enhancement of AO activities was specific to ethanol, whose level could be naturally increased when the plant roots drove fermentation to overcome low oxygen stresses.
오영주,정직한,이미리내,전주완,이승배,박태윤 한국지질과학협의회 2023 Geosciences Journal Vol.27 No.6
The tectonic affinity of the Korean Peninsula in reference to the Permo-Triassic collision of the Sino-Korean Craton (SKC) and the South China Craton (SCC) has been in the center of debates over the last three decades. Since the Imjingang Belt that runs through the middle part of the Korean Peninsula is thought to represent the major tectonic boundary, most part of North Korea, including the “Pyeongnam Basin” in the southern part, has been regarded as part of the SKC. However, differences in stratigraphy and the fossil occurrence have been recognized by local geologists between the southern part of “the Pyeongnam Basin” (SPB) and the northern part of the “Pyeongnam Basin” (NPB), and which have hardly been considered for the paleogeographical affinity of the regions so far. Here we provide a comprehensive review on 1,072 fossil taxa from the Neoproterozoic to middle Paleozoic sedimentary successions of North Korea, and utilize the data for determining tectonic affinity of the regions. Especailly, Cambrian trilobite genera from the SPB and NPB have been quantitatively compared with those of North China (the SKC) and the SCC, using similarity indices, the non-metric multidimensional scaling (NMDS), and PerMANOVA test. The results have revealed that the SPB is tied to the SCC, not to North China (the SKC), whereas the NPB is closely related to North China. The SCC affinity of the SPB is corroborated by stratigraphical features, such as the presence of the Precambrian–Cambrian boundary and the middle Paleozoic strata, which are largely absent in the SKC. Our results demonstrate that the SPB region likely originated from to the SCC, and thus further suggest that the collisional boundary of supracrustal rocks between the SKC and the SCC in the Korean Peninsula corresponds to the boundary of the NPB and the SPB. Accordingly, the extent of the newly-defined Pyeongnam Basin is restricted to the traditional NPB region. The SPB region is included in the extent of the newly-proposed Hwanghae District, which is bounded to the east with the Imjingang Belt by the Ryesonggang Fault. The South China Craton-originated rocks of the Hwanghae District and the Imjingang Belt are collectively termed the South China-affinity terrane (SAT).
포맷프리 저장 방식 블랙박스의 효율적인 영상 복구 방안에 관한 연구
오영주,이상진 한국디지털포렌식학회 2019 디지털 포렌식 연구 Vol.13 No.4
Format-free technology used in car black boxes is a new storage technique to protect recording images from being lost when physical shocked or sudden power-off. When analysing a black box, the ordinary analysis usually recovers lost images from unallocated space and slack space. However, existing analysis tools do not support the Format-free technology, it is impossible to extract unallocated space and slack space from the memory. As a result, it takes a lot of time to recover lost images with carving in whole memory. In this paper, we selected black boxes using Format-free technology, analyzed it’s storage structure and confirmed the limitations of the existing image recovery method. Through this, we propose an efficient image recovery method that separates unallocated space and slack space. we also designed and implemented the forensic analysis tools supporting Format-free technology. 차량용 블랙박스에서 사용하는 포맷프리 저장 방식은 충격 또는 갑작스런 전원 차단에도 녹화 영상이 손실되지 않게 하기 위해 개발된 저장 방식이다. 기존 차량용 블랙박스 분석은 미할당 영역과 슬랙 영역에서 삭제된 영상을 복구하였으나, 차량용 블랙박스의 포맷프리 저장 방식은 기존 분석 도구에서 지원하지 않아 미할당 영역과 슬랙 영역을 분리하여 삭제된 영상을 복구할 수 없다. 따라서, 전체 영역에서 영상을 복구해야 하므로 많은 시간이 소요된다. 본 논문에서는 포맷프리 저장 방식이 적용된 블랙박스를 선정하여 저장 구조를 분석하고 기존 영상 복구 방식의 한계점을 확인하였다. 이를 통해 미할당 영역과 슬랙 영역을 분리하는 영상 복구 방식을 제안하고, 이 방식에 적용된 포렌식 분석 도구를 설계 및 구현하였다.