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김상구 ( Sang-goo Kim ),박현석 ( Hyun-seog Park ),손희종 ( Hee-jong Son ),이정규 ( Jeong-gyu Lee ),류동춘 ( Dong-choon Ryu ),유평종 ( Pyung-jong Yoo ) 한국환경과학회 2016 한국환경과학회지 Vol.25 No.7
The H water treatment plant has been operating since 1982 and has had no renovation. It is assumed that the filters have been operated for more than 30 years and therefore are deteriorated. Many of the filters show an unequal state of air scouring during backwashing. For this study one filter, which was presumed most deteriorated among eighteen filters, was selected as a model filter for renovation. Some of the effects seen after renovation of the underdrain system were a lower average filtrated turbidity by approximately 0.02 NTU and an equal backwash state throughout the filter bed. Sand wash efficiencies by backwash before renovation of the underdrain system were 28%, 8%, and 5% at the surface, 50 cm depth, and 100 cm depth, respectively, and after renovation of the underdrain system were 94%, 26%, and 15% , respectively. The standard deviation of the effective sand size was 0.025-0.033 mm before renovation of the underdrain system and 0.002-0.011 mm after renovation of the underdrain system, meanings there was equal backwash pressure throughout the filter. Filtration time after renovation was approximately 2 times longer than before renovation.
김상구 ( Sang Gu Kim ),임미진 ( Mie Jin Lim ),권성렬 ( Seong Ryul Kwon ),정재천 ( Jae Cheon Jeong ),최석진 ( Suk Jin Choi ),김영욱 ( Young Wook Kim ),박원 ( Won Park ) 대한류마티스학회 2008 대한류마티스학회지 Vol.15 No.4
Multifocal skeletal tuberculosis is defined as osteoarticular lesions that occur simultaneously at two or more locations. Cystic lesions of multiple bones in tuberculosis are encountered less frequently in adults than in children. The multifocal cystic skeletal tuberculosis involving hands and feet is rare, particularly. We report a case of systemic sclerosis that was treated with glucocorticoid and antirheumatic drug for many years and complicated with multifocal cystic skeletal tuberculosis. This case was misled to the diagnosis of staphylococcal pyogenic abscess by the first microbial culture of the draining pus. The sonographic finding suggested rather metastatic bone lesion or systemic inflammatory arthritis such as rheumatoid arthritis. Although it is rare, tuberculosis should be included in the differential diagnosis of multiple cystic systemic skeletal lesions in immunocompromised patients.
EGFR 유전자 돌연변이를 보였던 비흡연 여성 선암 환자에서 Gefitinib 투여 후 발생한 급성호흡부전
김상구 ( Sang Gu Kim ),류정선 ( Jeong Seon Ryu ),한지영 ( Jee Young Han ),김현정 ( Hyun Jung Kim ),조재화 ( Jae Hwa Cho ),곽승민 ( Seung Min Kwak ),이홍렬 ( Hong Lyeol Lee ) 대한결핵 및 호흡기학회 2008 Tuberculosis and Respiratory Diseases Vol.64 No.1
Gefitinib를 사용할 경우 발생할 수 있는 급성호흡부전은 주로 남성, 흡연자, 편평상피세포암 혹은 사이성 폐질환 등에서 발생하는 것으로 알려져 있다. 따라서 이와 같은 임상적 요인이 없는 경우 이 약제를 안전하게 사용할 수 있을 것이다. 연구자 등은 흡연한 적이 없고, EGFR 유전자의 19번 엑손 돌연변이를 보였던 47세 여성 선암 환자에서 gefitinib 투여 후 발생한 급성호흡부전을 보고하며, 부작용의 발생기전이 밝혀지지 않은 시점에서, 이들 임상적 특성을 보이는 환자에서도 호흡기계 부작용의 발생 가능성에 대한 임상의사의 주의를 촉구하는 바이다. (Tuberc Respir Dis 2008;64:44-47)
교통사고 위험도 지표 결정을 위한 노출변수 분석과 국제간 동등비교
김상구(KIM, SangGu) 대한교통학회 2021 대한교통학회지 Vol.39 No.6
도로교통 안전도를 평가하기 위한 위험도 지표 개발은 매우 중요하다. 위험도 지표는 교통사고 변수와 노출변수의 비로 구성되어 있다. 위험도 지표에 사용되는 노출변수는 주어진 사회경제 조건과 도로교통 조건을 동등하게 비교분석할 수 있도록 조정해주는 역할을 한다. 본 연구는 OECD 회원국을 대상으로 기존에 사용하고 있는 위험도지표를 평가하고 적합한 노출변수를 개발하여 한국의 교통사고 위험도를 객관적으로 평가하고 국내 교통안전 비전과 목표 제시에 활용하였다. 노출변수를 개발하기 위해 상관분석을 수행하였고 이들의 조합을 통해서 인구자동차계수와 자동차도로계수를 선정하였다. 국제간 동등비교를 위해 1인당 GDP, 자동차 보유율, 그리고 도로보급률에 따른 사망자 기준으로 4개의 위험도 지표를 평가하였다. 위험도 지표를 기준으로 한국의 교통사고 위험도는 비교대상 11개 국가에 비해 매우 높은 것으로 분석되었다. 비교 대상국가의 안전벨트 착용률과 이륜차의 헬멧 착용률을 조사하여 교통안전 선진국과 비교하여 국내의 낮은 착용률이 사망자의 높은 위험도 지표의 한 원인으로 제시하였다. The development of risk indicators to evaluate road traffic safety is very important. The risk indicator is generally defined as the ratio of the traffic accident variable and the exposure variable. The exposure variable used in the risk indicator plays a role of adjusting the given socio-economic conditions and road traffic conditions that can be normalized and compared equally. The purpose of this study is to objectively evaluate Korea’s traffic accident risk by analyzing the current risk indicators for OECD member countries and selecting appropriate exposure variables, and finally to present a domestic traffic safety vision and goal. After correlation analysis was performed to develop exposure variables, population-vehicle coefficient and vehicle-road coefficient were selected through their combination. For an equal international comparison, four risk indicators were evaluated based on the mortality according to per capita GDP, motorisation rate, and road distribution rate. The analysis of these risk indicators shows that the risk of traffic accidents in Korea was very high compared to other 11 countries. The low wearing rate in Korea compared to the advanced countries in traffic safety was suggested as the cause of the high risk indicators for fatalities through the investigation of the rate of wearing seat belts and helmets on powered two-wheelers and cyclists in the countries to be compared.
김상구(Sang-Goo Kim),이원일(Weon-Il Lee) 서울행정학회 2004 한국사회와 행정연구 Vol.15 No.1
Government striving for maintain cooperative relations NGO which rapidly growing. The above present state are called governance, new public management, policy network, third-party government. Object of this study analyze that how are Pusan Metropolitan City's personnel and NGO's constituents understand relations between government and NGO, and what are variables get on relations between government and NGO. The findings of this dissertation are as follows: 1. There is significant difference between mean marks of civil servants' understanding and the mean marks of NGO's constituents's understanding. 2. As a result of regression. civil servants answerd that NGO's opposition to Pusan Metropolitan City's policy and Pusan Metropolitan City's accept of NGO's opinion influenced upon relations between government and NGO. NGO's constituents answerd that variables influenced upon relations between government and NGO did not existed.