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지경진 ( Ji Kyung Jin ),이윤숙 ( Lee Yoonsuk ),이종인 ( Lee Jong In ) 한국농촌계획학회 2021 농촌계획 Vol.27 No.2
This study focuses on the relationship between ginseng production per area and meteorological factors. Four areas of major ginseng production are considered in the study. Chungcheongnam-do and Gyengsangbuk-do are selected as the original major production places and Gyeonggi-do and Kangwon-do are selected as the new major places. The meteorological factors applied for study are the average temperature, accumulated precipitation, and integrated sunshine hours. With the data collected across four areas, we used a panel data analysis. From the results of Hausman test, the fixed effects model allowing to control individual area effect is preferable to the random effects model. Based on the results of the fixed effects model, the accumulated precipitation statistically and significantly affect the decreases in ginseng production. Changes in the average temperature negatively affect ginseng production, but the value is not statistically significant. The integrated sunshine positively affect ginseng production, but the value is not statistically significant.
이기원 ( Lee Ki Won ),연규석 ( Yeon Kyu Seok ),이윤수 ( Lee Youn Su ),지경용 ( Ji Kyong Yong ) 한국농공학회 1999 한국농공학회 학술대회초록집 Vol.1999 No.-
The objective of this study was to develop a polymer mortar guide block for the blind handicapped people. A high strength and a long durability polymer concrete using unsaturated polyester resin was used to developed the block and to improve the exiting cement mortar guide block. Physical and mechanical properties of the polymer mortar guide block were investigated with respect to absorptivity, impact strength, bending strength compared to those of the conventional cement guide block. The polymer mortar guide block was proven to have properties, indicating that the block have better industrial applications.
위암에서 Claudin-4와 E-cadherin 단백 발현 감소와 임상-병리학적 인자들과의 연관성
이성민(Sung Min Lee),이정효(Jung Hyo Lee),김범규(Beom Gyu Kim),김용석(Yong Seok Kim),박용검(Yong Gum Park),지경천(Kyung Chun Chi),임현묵(Hyun Muk Lim),김상준(Sang Jun Kim) 대한외과학회 2007 Annals of Surgical Treatment and Research(ASRT) Vol.73 No.3
Purpose: We examined the expressions of claudin-4 and E-cadherin, which are known as cell adhesion-associated proteins, in stomach cancer. The relationship of their expression with the clinicopathologic factors was examined to investigate the roles of these proteins in the invasion or metastasis of stomach adenocarcinoma. Methods: The expressions of claudin-4 and E-cadherin were examined in 73 cases of adenocarcinoma of the stomach by performing immunohistochemical staining. Results: The expressions of claudin-4 and E-cadherin in the stomach adenocarcinoma were both correlated with the histologic grade, the T-stage and nodal metastasis, respectively (P<0.05). The expression of claudin-4 was significantly associated with the expression of E-cadherin. Conclusion: Our data suggests that claudin-4 and E-cadherin are involved in the processes of histologic differentiation, invasion and metastasis of stomach adenocarcinoma.
복강경 충수절제술로 치료한 급성 충수염의 항생제 감수성 및 세균학적 고찰
이재원(Jae-Won Lee),박중민(Joong-Min Park),이승은(Seung-Eun Lee),박용검(Yong-Geum Park),지경천(Kyong-Choun Chi) 대한외과학회 2010 Annals of Surgical Treatment and Research(ASRT) Vol.79 No.5
Purpose: This study was designed to evaluate the bacteriological characteristics and antibiotics sensitivity in acute appendicitis. Methods: The microbiologic culture and antibiotics sensitivity tests were done on 165 patients who underwent laparoscopic appendectomy under the diagnosis of acute appendicitis. The postoperative complications were also checked. The microbiologic and clinical results were compared between perforated and non-perforated groups. Results: The most common organism cultured from the periappendiceal fluid was Escherichia coli (51.2%), followed by Enterobacter (16.2%) and Pseudomonas (8.9%). In the antibiotics sensitivity test, ciprofloxacin and levofloxacin were highly susceptible. Ceftriaxone and cefotaxime were also highly susceptible. Piperacillin/tazobactam, imipenem and meropenem were very highly susceptible. The complication rate of perforated appendicitis group (17.9%) was higher than that of the non-perforated appendicitis group (7.1%) (P<0.001). A surgical drain was used more frequently in perforated group (23% vs 84.6%, P<0.001). The mean in-patient days were longer in the perforated group (5.7 vs 7.2 days, P<0.001). In the patients with infectious wound complication, antibiotic resistance was more prominent in the non-perforated group than in the perforated group. Conclusion: In the perforated appendicitis group, more precise and careful procedure was required. In the non-perforated appendicitis group, more prudent use of the available antibiotics to conserve valuable therapeutic resources and improved infection control to limit the spread of resistant organisms was required.
지경용,Lee, K.-Y. 한국전자통신연구원 1994 전자통신동향분석 Vol.9 No.1
일본과 미국의 규제제도를 법제도적, 문화적 차이의 관점에서 비교하였다. 특히 일본이 정부정책의 결정으로 시장구조가 재편되는 과정이라면 미국은 정부와 각종 이해관계자 집단간의 투쟁의 산출로서 시장 구조가 성립되어 왔다는 사실을 알 수 있다.
환자가 인지하는 의료서비스 질이 지각하는 가치와 만족도 및 재이용 의도에 미치는 영향 -전문병원과 일반병원을 중심으로-
지경자 ( Kyung Ja Ji ),박천만 ( Chun Man Park ),이종렬 ( Jong Ryol Lee ) 대한보건협회 2011 대한보건연구 Vol.37 No.2
Objectives: This study aims to analyze the effect of quality of health care on perceived value, patient satisfaction and revisit intention. Especially, it was focused on outdoor environment, admission procedure, hospital image, service quality of physicians that patients perceived. Methods: Both inpatients and outpatients were selected from one specialty hospitals and one general hospitals in D city. Questionnaire survey was employed to collect data from the subjects. Results: 1. Specialty Hospitals. For inpatients, hospital image and service quality of medical technicians have an effect on perceived value. Service quality of physicians has an effect on the patient satisfaction. For outpatients, hospital image and service quality of physicians and medical technicians have an effect on perceived value. Outdoor environment, hospital image, service quality of physicians and medical technicians, and perceived value have an effect on patient satisfaction. Perceived value and patient satisfaction have an effect on revisit intention. 2. General Hospitals. For inpatients, hospital image has an effect on the perceived effect. Service quality of medical technicians has an effect on the patient satisfaction. Perceived value and patient satisfaction have an effect on the revisit intention. For outpatients, hospital image and service quality of physicians and medical technicians have an effect on the perceived value. Outdoor environment, service quality of physicians, and perceived value have an effect on the patient satisfaction. Admission procedure, hospital image, service quality of physicians, perceived value, and patient satisfaction have an effect on revisit intention. Conclusion: Thus, this study indicates that the each medical institution have a different influence on the revisit intention by perceived value and patient satisfaction that medical customers feel after they underwent the medical service. It is necessary for medical institutions to develop friendly health service manual that represents specific guidelines of service behaviors in terms of patient-oriented health care service. Specialty hospitals are expected to have an enhanced quality on their specialized health care service. They should evaluate customer satisfaction on their services and analyze various factors that affect on it to improve specialty hospitals. Government also should offer small and middle-sized hospitals basic conditions to increase their self-care capability as high quality of specialty hospitals.