Pneumatosis intestinalis and portal venous gas secondary to gefitinib therapy for Lung adenocarcinoma

( Joo Young Lee1 ),( Hye-suk Han ),( Sung-nam Lim ),( Young Kwang Shim ),( Yong Hyeok Choi ),( Ok-jun Lee ),( Ki Hyeong Lee1 ),( Seung Taik Kim ) 대한내과학회 2011 대한내과학회 추계학술대회 Vol.2011 No.-

터널 발파에서 이완영역 감소를 위한 제어발파 기술 연구

임한욱,이영호 강원대학교 부설 석재복합신소재 제품연구센터 2003 석재연 논문집 Vol.8 No.-

터널, 도로 및 철도 개설시 낙석이나 암반 사면의 미끌림을 방지하고 과다한 보수작업을 피하기 위해서는 굴착시 원지반을 손상시키지 않도록 시공하는게 중요하다. 특히 지질조건이 다른 지층에서 손상영역을 감소시키기 위해서는 세밀한 발파가 신중히 시행되어야한다. 본 연구에서는 손상영역을 평가하기 위하여 발파진동을 계측하였다. 총 37회의 진동을 계측하고 이를 바탕으로 진동 추정식을 도출하였다. 손상영역은 발파진동식과 암반의 물성 특히 인장강도와 탄성파 전파 속도 등으로부터 구할 수 있다. 지발당 장약량 2.1375kg로 심빼기발파를 실시하는 경우 본 연구에서 구한 손상영역은 약 1.23m로 예상된다. In tunneling, road and rail road cuts, it is of the most importance that the remaining rock is of high quality in order to avoid rock falls, rock slides and excessive maintenance work. Carefully executed blasting will minimize the damage zone even in severe geological conditions. In this study, blasting ground vibration monitorings are adopted to estimate damage zone in road tunnel. A total of 37 blasts were recorded and empirical particle velocity equation was obtained. The damage zone can be estimated by relationships between vibration velocity(Ⅴ) and associated tensile stress(o). The damage zone assumes to be 1.23m with explosive(2.1375kg) at center cut in tunnel blasting.

자유면의 수가 발파진동의 크기에 미치는 영향

이효,임한욱 江原大學校 産業技術硏究所 2001 産業技術硏究 Vol.21 No.A

Blast-vibration tests were carried out to determine the effects of the number of free face on the level of blast vibration. Frequency chatacteristics were also examined by using FFT analysis. To check the effects of the number of free face, charge weight per delay, drilling length, burden and space were applied uniformly and the number of free face was only changed from one to four. The results from tests were checked by regression analysis and K-value.

초등학교 과학교실 및 과학동아리 관련 현장 조사 및 프로그램 개발 모형 설정

임청환,김남일,권성기,고한중,이성호 한국과학교육학회 2005 한국과학교육학회지 Vol.25 No.2

본 연구의 목적은 과학 교실 및 과학반, 과학동아리 활동과 관련하여 일선 학교 현장에서는 어떤 문제점을 갖고 있으며 어떤 요구가 있는지 조사연구를 통해 알아보고 그 결과를 바탕으로 활동 프로그램을 개발하기 위한 개발 모형을 제시하는 것이었다. 146개 초등학교의 과학 관련 교사를 대상으로 설문 조사하였으며 조사결과, 교사들은 다양한 문제점과 해결 덜'간을 제시하였는데 다음과 같은 시사점을 얻을 수 있었다. 첫째, 다양한 과학 활동에 대한 행·재정적 지원이 절실히 필요하다. 둘째, 과학비전공 교사도 쉽게 다룰 수 있는 활동 프로그램의 제공이 필요하다. 셋째, 재미있는 활동으로 구성된 프로그램이 있어야 한다. 넷째, 프로그램은 준비가 용이한 활동으로 이루어져야 한다. 다섯째, 탐구 활동 중심의 평가 방법이 제시되어야 한다. 이러한 조사 결과를 바탕으로, 교사, 학생, 운영 환경을 축으로 하는 프로그램 개발 맥락을 설정하고 주제 설정, 활동구성, 차시구성, 활동지 구성, 교사용 지침서 구성의 단계로 이루어진 개발 모형을 제안하였다. The purpose of this study was to investigate the needs of elementary school teachers on extra-science programs and to suggest development model for extra-science program. Survey research was conducted on 146 science-related teachers all over the country. As the result, teachers presented several problems and solutions on extra-science activities and programs. The suggestions from the results are as follows. First, more administrative and financial supports are required. Second, it must be the programs with which any teachers, regardless of their major fields, can execute easily. Third, the programs should be interesting for students to do. Fourth, it should be easy to prepare activities and materials, Finally, the inquiry-focused assessment method should be presented in each program. Based on these suggestions, the context of development of programs was established. Three axises of, students, teachers, and environment, were included in the context. The model of development of programs was set up based on the context. It was constructed with six process steps, Confirmation of theme, Composition of work frame, Organization of each period, Worksheets for students, Guidebook for teachers, Completion, and one or two assessment criteria in each process steps. It must be useful to development of extra-science programs that is appropriate to the need of teachers.

임신과 연관된 유방삽입물 주의 피막 구형 구축의 변화에 대한 임상적 연구

이윤호,임동헌,윤진호,강소라,김한중,배원배 大韓成形外科學會 1997 Archives of Plastic Surgery Vol.24 No.6

It has been reported that the frequency of the development of peripheral capsuler contracture after breast augmentation surgery using silicone-gel implants amounts between 25 to 50%. Various treatments to cure or prevent the capsular contracture are mow being studied and introduced, including submuscular insertion of breast implants, steroid instillation, oral intake of Vit-E, postoperative breast massage, regional injection of antibiotics, and a saline-filled implantation without gel-bleed. This paper reports, along with the literal study, on the improvement of the softening of capsular contracture condition observed from 12 patients who have undergone pregnancy and delivery after breast augmentation surgery operated at the Plastic surgery departments of Ewha University Medical Center and Seoul National University Medical Center during 1985-1995. Conceivably, the softening of the capsular contracture is attributable to the hormonal change, immunologic and inflammatory alteration, and the masking effect resulting from mammary alveolar hypertrophy. It is believed that a study should be continued on the relationship between the pregnancy and the softening of capsular contracture condition.

자동차용 시로코팬의 유동특성에 관한 연구

이행남,박길문,이덕구,정한별,김건일,설재림 朝鮮大學校 機械技術硏究所 2005 機械技術硏究 Vol.8 No.1

The sirocco fan is used to get low noise, and it has been applied to a lot of industry field like the heat engine, the fluid instrument power plant, the food industry, environment industry etc... because there are not problems even it is mixed with a any kind of liquid, gas, and solid. The flow characteristics in sirocco fan are investigated by PIV. The experiment using PIV measurement for Test section's flow characteristics acquired velocity distribution, Condition : when sirocco fan in automobile air controller maximum 1450RPM, and a revolution is a variation (l)950RPM, (2)l100RPM, (3) 1250RPM. The agreement a experiment shows the validity of this study and the results of this study would be useful to the engineers who design for the flow systems

首都圈工業地帶의 形成過程과 構造的特性에 關한 硏究

林漢洙,李成福 誠信女子大學校 韓國地理硏究所 1985 應用地理 Vol.- No.8

This study is analysing the structural characteristic and the locational fluctuation of the metropolitan industry according to the number of corporations and workers, the output, and the growth of the value added from 1962 to 1981, during which the 4th economic development plan was put in effect. Following results are extrated from this analysis. 1) The metropolitan area which the rate of the land was 11.76% of the whole nation while the 36.26% of the total people lived in 1982, is the over-populated region, and then it forms the greatest industry complex where markets and consumption industries of all kinds are concentrated superfluously. 2) Analysing the change of the industrial growth according to the growth rate of the metropolitan area from 1966 to 1981, it shows a high level of growth, as the number of coporations doubled, the number of workers increased four times, the output about 96 times, and the value added about 97 times. By regional groups, the industrial growth is much higher in Kyeongkido than is Seoul and Incheon. This means that the industry was scattered to Kyeongkido, the neighboring region of Seoul, as the results of restriction on building new factories, the transfer of corporations with the public pollution, the fostering satellite cities and the regional dispersion of industries in order to solve the over-populated problem in Seoul. Observing the change of the industrial growth by the component ration, the number of corporations accounts for 43.54%, the number of workers 43.27%, the output 37.38%, and the value added 40.4% recording as the highest level in the country, but the other ratios except the number of corporations are rather declining in compared with those in 1976. This is the result of the locational fluctuation in consequence of constructions o the regional industrial complex and the export industrial complex, and the regional dispersion of industries due to the over-populated problem in the metropolitan area. The industrial concentration rate gy the population drops from 1.23 to 1.22 in the number of corporations, from 1.76 to 1.05 in the output, and from 1.50 to 1.14 in the value added. And by regional groups, while it becomes low in Seoul and Incheon, it goes up in Kyeongkido where the industrial growth is accelerated. The industrial concentration rate by the size of land, tends to increase in the number of corporations, on the other hand, it showed a rising trend in the number of workers, the output, and the value added until 1976, however, since 1981 it was becoming low. On the contrary of the concentration, the concentration rates of cities like Seoul, Incheon, Kwangmyeong, Anyang, and Pucheon, appear to rise up. Analysing the rte of the metropolitan industry to the whole country, focused on the number of corporations and workers, it represented 45.2% and 44.8% respectively in 1982. 3) According to the kinds of industries, the component ratios of assembly metals and machine equipment industry are highest and then fiber clothes, leather industries, chemical fibers, coals, rubbers, and plastic industries attain high component ratios in the arrange order. In the case of Seoul, all kinds of industries except the wooden products industry have high component ratios comparing with those in the whole country, particularly foodstuffs, cigarettes fibers, clothes, leathers, papers, and printings occupy more than 50% of the whole country. All kinds of industries except the wooden products industry specialize the Kurogu and Yeongdeungpogu. In Kyeongkido, fibers, clothes, leathers, assembly metals, and machine equipment industries from high percentages and the south-west region, including Pucheon, Siheung, Hwaseong, Yongin, and Koyang, makes a remarkable growth in the industry. As mentioned above, the metropolitan area made a high level of the industrial growth, but the rate of it to the whole country dropped in 1981 compared with in 1976. Especially, the industrial increase is worthy of close attention in the south-west region. Like this, the phenomenon of the concentration to Seoul spreads to the metropolitan area and as the result of it, the over-populated problem was aggravated. 4) Although the administration made a draft of the policy and forced in effect to cope with the over-populated phenomenon in the metropolitan area, I suggested that it have to emphasise on the following matters for the balanced development of the region. It has to decrease industrial area greatly and adjust them withing the region of the metropolitan city planning, restrict on the facilities causing the concentration of population, select the limit region of development in the satellite cities, and regulate the over-populated phenomenon. In addition, it has to maintain the systematic rapid transit transportations between the metropolitan area and the district cities, and accordingly, establish industrial sites, district industrial complexes, export industrial complexes, educational institutions and major administration organs in the south of Daegson and enforce local self governments.

암반내 A.E 계측 자료의 처리를 위한 신경 회로망의 적용성 연구

이상은,임한욱 강원대학교 산업기술연구소 2000 産業技術硏究 Vol.20 No.A

To determine the source location of acoustic emission in rock, the least square method has been used until lately but it needs much time and efforts. In this study, neural network system is applied to above model instead of least square method. This system has twenty seven input processing elements and three output processing element. The source locations calculated by above two methods are similarly concordant. The new method using neural network system is relatively simple and easy for calculating source location compared with traditional method.

자연 절리면 전단강도의 크기에 영향을 미치는 요인

임한욱,이무형 강원대학교 부설 석재복합신소재 제품연구센터 2004 석재연 논문집 Vol.9 No.-

자연 절리면 전단강도의 크기에 영향을 미치는 여러 요인중에서 시험편의 크기와 형상효과를 검토하기 위하여 4가지 형태와 6가지 크기별로 직접전단시험을 실시하였다. 즉 수직옹력을 0.29에서 2.65 MPa까지 서로 달리하면서 각 응력별로 최대전단강도, 잔류전단강도, 최대 수직변위 및 강성, 평창곡선 그리고 거?계수를 구하였다. 연구결과 시험편의 크기와 전단강도와 변형거동에 미치는 영향을 상당한 반면에 형태 효과는 거의 없었다. 또한 시험편의 크기가 커질수록 절리 거?계수와 절리 압축강도는 감소를 보였으며, 전단강도 역시 감소하였다. 즉 시험편의 크기가 12.25에서 361 ㎠로 증가함에 따라 전단강도는 최대 72%, 잔류전단강도는 약 57%, 전단강성은 약 80 %감소하였다. 낮은 유효수직옹력하에서 절리암반의 최대 전단강도를 평가하기 위하여 기존의 Barton식을 보정한 새로운 경험식을 제안하였다. The effect of shape and size of specimens on the shear behaviour of joints is studied by performing direct shear tests on four different shapes and six different sizes. The peak shear strength, residual shear strength, peak shear displacement, shear stiffness and dilation curves were also measured with the different normal stress(0.29-2.65 Mpa) and roughness parameters. The results show significant scale effects on the both the shear strength and deformation characteristics, while shape effects can not nearly be found. It is also shown that as a result both the joint roughness coefficient(JRC) and the joint compression strength(JCS) reduce with increasing scale. Shear strengths are also generally decreased with increasing joint area. A series of shear tests shows about 72% reduction in shear strengths, about 57% in residual shear strength, about 80 % in shear stiffness as the area of specimens in crease from 12.25 to 361㎠. To estimate peak shear strength of jointed rock under low normal effective stress, the modified Barton's equation is suggested. ▷ 원문 참조 ◁ where A and B are coefficient to be determined by regression analysis on experimental data.

통풍 환자에서의 지질대사

이은우,강기서,강수용,이한준,김경환,임정일,박철경 중앙대학교 의과대학 의과학연구소 2001 中央醫大誌 Vol.26 No.2

Objective: To evaluate hyperlipidemia, a msjor tisk factor of coronary artery disease, frequently asscoiated with gout patients, we compared the mean lipid level of gout patient with that of non-gout male and accessed statistical significance for treatment of gout patient. Method: This study ws performed in the 266 male gout outpatients of the CAU medical center, who had serum lipid level test from Apr. 1996 to Aug. 2000. Serum uric acid, total cholesterol, triglyceride, HDL -cholesterol, and LDL-cholesterol level were measured after 12 hours of fasting. The patients with high lipid level were further evaluated into each type of the hyperlipidemia through electrophoresis study, and the test results were compared with that of the non-gout male adults(40∼60yr), and the statistical significance was examined. Results : The gout patients showed high levels of total cholesterol, triglyceride, and LDL-cholesterol. Especially they showed high level of triglyceride and LDL-cholesterol which suggested as the risk factors of atherosclerosis and coronary heart disease, but shoewed low level of HDL -cholesterol. But there were no definite relations between lipid level and other factors auch as age of patient, initial uric acid ;eve; and duration od gout. Conclusion: To evaluate the risk factors of atherosclerotic change of cadriac vascular system in gout patient, screening tests of serum lipid level of the patient seem mandatory.