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HPLC-PDA을 이용한 이진탕 중 6종 성분의 동시분석
김성실,김정훈,신현규,서창섭,Kim, Seong-Sil,Kim, Jung-Hoon,Shin, Hyeun-Kyoo,Seo, Chang-Seob 대한한의학방제학회 2013 大韓韓醫學方劑學會誌 Vol.21 No.1
Objectives : Yijin-tang has been used in the treatment of gastrointestinal diseases such as irritable bowel syndrome, gastritis, and gastric ulcer. In this study, a high-performance liquid chromatography (HPLC) method was established for simultaneous analysis of six compounds, liquiritin, glycyrrhizin, hesperidin, 6-gingerol, homogentisic acid, and 3,4-dihydroxybenzaldehyde in Yijin-tang, a traditional Korean herbal medicinal preparation. Methods : A Gemini C18 column was used for the separation of six constituents at $40^{\circ}C$. The mobile phase using gradient elution consist of two solvent systems, 1.0% acetic acid in water (A) and 1.0% acetic acid in acetonitrile (B). The flow-rate was 1.0 mL/min and injection volume was $10{\mu}g$. The detector was a photodiode array (PDA) detector set at 254 nm and 280 nm. Results : The calibration curves of six compounds showed good linearity in various concentration ranges ($R^2{\geq}0.9997$). The limits of detection (LOD) and limits of quantification (LOQ) were 0.028-$0.192{\mu}g/mL$ and 0.093-$0.540{\mu}g/mL$, respectively. The RSD (%) of the intra and inter day validations were 0.03-0.84% and 0.05 -1.00%, respectively. Recovery was 96.14-01.90% and RSD (%) was less than 1.5%. Conclusions : The established simultaneous analysis methods will help management to improve the quality of Yijin-tang.
퍼스널컴퓨터 도입(導入)의 경제성(經濟性) 평가(評價)
김성실,Kim, Seong-Sil 한국품질경영학회 1986 품질경영학회지 Vol.14 No.2
The primary purpose of this paper is to make the management of small business aware of the potential and further, to assist their decision on purchasing and applying the personal computers to their business problems. With emphasis on the step by step expansion various computer hardware systems are reviewed, compared and evaluated in its price, micro-processor, memory size, software availability, etc. Using the concept of incremental costs, a method to evaluate software packages is developed. By this method the optimal system can be determined.
김성실 ( Seong Sil Kim ),최영희 ( Young Hee Choi ),김미경 ( Mee Kyung Kim ) 한국호텔리조트학회(구 한국호텔리조트카지노산학학회) 2013 호텔리조트연구 Vol.12 No.2
본 연구는 호텔조직구성원에 대한 갈등요인이 조직성과에 어떠한 영향을 주고 있는지를 알아봄으로써, 구성원들의 갈등을 효율적으로 관리하여 조직성과를 향상시킬 수 있는 유용한 시사점을 제시하고자 하는데 목적이 있다. 따라서 아직 많은 연구가 이뤄지지 않은 호텔조직에서의 갈등에 관한 개념과 의의에 대하여 문헌연구를 통하여 이해하고, 그리고 조직에서의 갈등이 조직성과에 미치는 영향을 규명하고자 선행연구의 측정지표를 이용하여 실증분석을 실시하였다. The purpose of this study was to present useful implications that can efficiently manage the conflicts of the members and improve organizational performance by investigating the effects of the conflict factors for the hotel employees on the customer orientation and organizational performance of the employees. as a result of analyzing the research that verifies the effect relationships of organization conflict factors on organization performance derived partially significant results. It was surveyed that relationship conflict, compensation conflict and communication conflict showed significant effect relationships in organizational citizenship behavior, but emotional conflict and task conflict were dismissed. In addition, it was surveyed that relationship conflict and compensation conflict showed significant effect relationships in the effect relationships for organizational performance (organizational commitment), but emotional conflict, task conflict and communication conflict were dismissed. It was analyzed that relationship conflict showed significant effect relationships in organizational performance (task satisfaction), but emotional conflict, compensation conflict, task conflict and communication conflict were dismissed.