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A Measurement Study on Evaluating Container Network Performance for Edge Computing
Junghan Yoon,Jian Li,Sangho Shin 한국통신학회 2020 한국통신학회 APNOMS Vol.2020 No.09
With the development of cloud technology, people are focusing on lightweight container technology. Container networking is a core technology in providing high-level cloud services, and there are various implementation models such as Container Network Model (CNM) and Container Network Interface (CNI). Among them, CNI is a de-facto standard adopted by various container platforms. There are many plugins that implement the CNI networking model, and the implementation method differs, showing a great difference in a view of performance. MEC (Multi-Access Edge Computing) is a technology that provides services by locating the server closest to the user who wants to use mobile communication services. In this paper, the performance was measured by applying various CNI network plugins to the CoV architecture. Through this measurement, we analyzed the factors of network performance degradation. The result of the analysis is expected to be used as a good reference in constructing the CoV architecture for low latency in the future.
Junghan Kim,Yoon-Ah Kook,Mohamed Bayome,Jae Hyun Park,Won Lee,Hojae Choi,Noha H. Abbas 대한치과교정학회 2019 대한치과교정학회지 Vol.49 No.4
Objective: The aim of this study was to evaluate the amount of tooth movement and histologic changes with different corticotomy designs and micro-osteoperforation in rabbits. Methods: The sample consisted of 24 rabbits divided into three experimental groups (triangular corticotomy [TC] and indentation corticotomy [IC] with flap, and flapless micro-osteoperforations [MP]) and a control. A traction force of 100 cN was applied by connecting the first premolars to the incisors. The amount of tooth movement was measured. Kruskal–Wallis test was used to assess differences in tooth movement between the groups. Micro-computed tomography, hematoxylin and eosin staining, and tartrate-resistant acidic phosphatase (TRAP) analysis were performed. Analysis of variance was applied to assess differences in TRAP-positive osteoclast count between the groups. Results: The amount of tooth movement increased by 46.5% and 32.0% in the IC and MP groups, respectively, while the bone fraction analysis showed 69.7% and 8.5% less mineralization compared to the control. There were no significant intergroup differences in the number of TRAPpositive osteoclasts. Conclusions: The micro-osteoperforation group showed no significant differences in the amount of tooth movement compared to the corticotomy groups, nor in the TRAP-positive osteoclast count compared to both corticotomy groups and control.
유방암의 재발과 화학요법 감수성의 판단 척도로서의 혈장내 Glutathions S-Trans-ferases(GSTs)치에 대한 연구
윤정환,제갈영종,정상영,양성렬 中央醫學社 1997 中央醫學 Vol.62 No.12
Although the mechanism associated with the development of multi drug resistance is still unclear, many researchers have reported the roles of specific enzymes in cells selected for multi drug resistance. The glutathione S-transferases(GSTs) are a family of enzymes that are responsible for the detoxification of a broad class of electrophilas and enables to protect even certain cancer cells from chemotherapeutic agents. However, a clinical role of GSTs monitoring in chemotherapy for breast cancer is not delineated yet in spite of some meaningful experimental results. So we performed a preliminary study of GSTs activity in breast cancer patients to evaluate how to use GSTs activity in diagnostic and therapeutic aspects of breast cancer. The results were follows ; 1. Median value of serum GSTs activity is 0.245 n mol/min/mg protein in control, 0.6 13 n mol/min/mg protein in primary breast cancer, and 0.306 n mol/min/mg protein in recurred breast cancer respectively. 2. There are no significant changes in level of serum of GSTs activity according to pattern of chemotherapic regimens. 3. There is a tendency of increasing GSTs activity in chemotherapic failure, without statistical significance. In conclusion, serum GSTs activity appears to be a possible marker in diagnosing primary breast cancers, recurred breast cancer, and predicting chemotherapeutic effects in re-curred breast cancer. However more intensive study including the establishment of standard estimation method for serum GSTs activity and the role of each isozyme of GSTs might need to identify the more definitive role of serum GSTs activity in diagnosis and treatment of breast cancer.