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KAERI 부지 주변의 환경선량 측정을 위한 온라인 감마선량 감시시스템
이정호,박두원,이원윤,이현덕,최용호,김삼랑,홍광희,이창우 대한방사선 방어학회 1994 방사선방어학회지 Vol.19 No.2
환경감마선량 변동을 감시하기 위해 한국원자력연구소 부지 주변에 온라인 감마선량 감시망을 구성하였다. 모니터링 포스트에 설치된 전리함 검출기에 의해 측정된 자료는 무선전송방식으로 중앙통제소에 전송되어 실시간으로 감시된다. 무선전송 방식은 자료의 전송, 처리 및 자자에 신뢰도가 높고 경제적이었다. 감시시스템은 급격한 선량증가시 조기경보체제와 연결할 수 있게 하였다. On-line gamma monitoring system around KSERI-site was set up to monitor the radiation fluctuations in environment. Data on gamma exposure rates measured by the ionication chamber in the monitoring posts are transmitted to a computer of central control station with radio telemetry transmission and reliable on handing and storing of data. This monitroing system can triger an early warning system in the event of abnormal radiation levels.
Application of Artificial Insemination Technology for Dairy Breeding in Mongolia
Hyun‐Tae Jo,Jong‐In Jin,Seong‐Su Kim,Byung‐Hyun Choi,Tumor Baldan,Jung‐Gyu Lee,Yun‐Shik Kim,Sam‐Churl Kim,Il‐Keun Kong 한국동물생명공학회(구 한국동물번식학회) 2011 발생공학 국제심포지엄 및 학술대회 Vol.2011 No.1
This study was focused on improvement of milk production in Mongolia dairy industry by artificial insemination (AI) technology, of which was supported from ODA project of KOICA in Republic of Korea. The study was started from January 2009 to present and 3rd years in this year. So, all data, especially synchronization and pregnancy of dairy cows (Holstein) will be summarized in final result in this year. For synchronization, total 81 dairy cows selected from 4 private farms that were 38, 30, 8 and 5 in Undarmal milk, Onjin (Enkhbayer), Jargalant, and BRM School, respectively. All the dairy cows were injected intramuscular (IM) of 5 ml PGF2α in the vulva and detected estrus 2 to 3 days after PGF2α injection. Total 78 out of 81 dairy cows (96.3%) were detected estrus by only 1 time injection of PGF2α. The dairy cows that were induced estrus, inseminated with 0.5 ml dairy frozen semen by conventional AI techniques. The pregnancy diagnosis of the AI dairy cows was detected by uterus palpation after 60 days of insemination. Total 75 from 78 inseminated dairy cows (90.1%) were diagnosis pregnant. The estrus induction and pregnant rate were very effective using PGF2α injection and conventional AI techniques in Mongolia dairy cow. The results indicated that AI after estrus induction in Mongolia dairy cows could be applied to dairy breeding technology to improve the breeding efficiency and milk production.
이신규,김잉곤,최회윤,류재만,조삼현 대한성형외과학회 1992 Archives of Plastic Surgery Vol.19 No.3
Accessory breast tissue is developed from persistence of breast tissue along the milk line which first beomes apparent at the 6th week of embryo and usually atrophies except for the thoracic area until the 9th week. It is much more common than amastia and occurs in approximately from 2 to 6 percent of the population. But multiple polymastia involving labia major is quite rare. We experienced one case of multiple polymastia involving labia majora & both axilla and 6 cases of polymastia & polyhelia, so we are willing to report our cases with a review of literature.
대구 상인동 가스참사로 본 지역 응급의료체계에 대한 고찰
이삼범,도호석,도병수,이창현,심민철,권굉보 대한응급의학회 1995 대한응급의학회지 Vol.6 No.2
Disaster may be defined as a sudden calamitous event associated with great damage or destruction. A more common definition, among emergency-preparedness planners, is a medical occurrence that overwhelms medical care systems and facilities. Most regional disaster plans are formulated to respond to disasters of moderate size. At 07:50 A.M. on 28 April 1995, gas explosion was happened at Sangin-Dong where was going to be under construction of subway in Taegu, Korea. 102 victims had died and 178 victims had moderate or minor injuries. Problems in the organization at the scene, triage, field management, transport to the hospital, and the communication contributed to the confusion in the management of victims. An analysis of this disaster allows several lessons to be learn about perimeter control, command functions, crowd control, and transportation priorities. It will benefit disaster planners in other communities.
李東鍵,鄭三鉉 東亞大學校附設스포츠科學硏究所 1996 스포츠科學硏究論文集 Vol.14 No.-
Der Zweck dieser Forschung ist es, daβerforscht den Begriff des Militarischen Logos, den Bildungsprozeβdes Koreanische Militarischen Logos und die Substanz des koreanishe Militarischen Logos durch den Entfaltunganblick des Koreanische Militarischen Logos Um diese Forschung kurz fassen; Der Begriff des Militarischen Logos in korea ist Takaendo, das Judo, das Bongenschieβlich der Chinesisches Kriegerischen Kunster, des japanische Rettertums. Der Bildungsprozeβdes Militarischen Logos in korea ist die Ordnung der Bluts verwandtes verteidigungs kunst und der Landes verteidingungs kunst. Entfaltungsanblick des Militarischen Logos in korea ist von dem kriegerischen Talent zu Militarischen Technik, von der Militarischen Technik zur Militarischen kunste, und zum Militarischen Logos.
이창현,도호석,이삼범,도병수 대한응급의학회 1995 대한응급의학회지 Vol.6 No.2
Acute intermittent porphyria(AIP) is a genetic disorder of heme biosynthesis caused by defects in the gene encoding hydroxymethylbilane(HMB) synthase on the long arm of chromosome 11, and is characterized by overproduction, accumulation and excretion of heme precursors. The common symptoms of AIP are neurovisceral symptom and abdominal pain is most common symptom, therefore attacts are often confused with acute abdomen or bowel obstruction. Thus AIP is rare disorder, but when other disease is ruled out, some consideration is needed especially in emergency department. In conclusion, the authors report a case of AIP that complained of the cramping abdominal pain with the review of literatures.
유전체 충전형 플라즈마 반응기를 이용한 Trichloroethylene의 분해반응
이해완,류삼곤,박명규,박현배,황경창 한국화학공학회 2003 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.41 No.3
유전체 충전형 플라즈마 반응기를 이용하여 공기중 trichloroethylene (TCE)의 분해반응에 대한 연구를 수행하였다. 방전전력, 체류시간 및 반응물 유입농도 등과 같은 여러 가지 운전변수에 따른 TCE의분해효율을 조사하고, 반응 부산물의 분석을 통하여 TCE 분해 반응 메커니즘을 제시하였다. 실험결과 방전전력 및 체류시간이 증가함에 따라 TCE 분해효율은 증가하였으나 유입농도의 변화에 대한 영향은 거의 없었다. BaTiO_3를 충전한 반응기가 알루미나를 충전한 반응기보다 분해효율이 높았으나 TCE의 완전 산화분해의척도가 되는 CO_x(CO+CO_2)의 수율 및 CO_2의 선택도는 BaTiO_3를 충전한 반응기보다 알루미나를 충전한 반응기가 월등하게 높았다. 반응생성물 분석결과 주반응 생성물은 CO_x,CHCl_2COCl, C_2H_2Cl_2O_2및 COCl_2로 공기중 TCE의 분해 메커니즘은 주로 ClO와 OH 라디칼에 의한 반응으로 판단된다. The decompositon of trichloroethylene (TCE) in air using a ferroelectric packed-bed reactor was studied. The effects of discharge power, residence time, inlet concentration and other operating conditions on the decomposition efficiency were investigated and the analysis of reaction products was conducted to suggest the mechanism of TCE decomposition. Experimental results showed that the decomposition efficiency of TCE increased with increasing discharge power and residence time but was unaffected by inlet concentration. The decomposition efficiency for BaTiO_3 packed reactor was higher than that for alumina packed reactor, but the yield of CO_x(CO+CO_2) and selectivity of CO_2 as the measure of the complete oxidation of TCE were higher in alumina packed reactor. The main products of TCE decomposition were CO_x,CHCl_2COCl, C_2H_2Cl_2O_2 and COCl_2. On the basis of the results, it is inferred that the decomposition of TCE in air proceeds by OH and CIO radical reaction mechanism.
두경부 편평세포암종세포주에서 retinoic acid가 linear-quadratic 모델을 적용한 방사선감수성과 apoptosis 유발에 미치는 영향
이은숙,강범현,허민석,이삼선,최현배,최순철,박태원 대한구강악안면방사선학회 2001 Imaging Science in Dentistry Vol.31 No.3
Purpose : To evaluate the effect of all-trans-retinoic acid on radiosensitivity and radiation-induced apoptosis in NHOK, HEp-2 and FaDu cell lines. Material and Methods : We measured the changes in survival fraction at 2 Gy (SF2), α and β after treatment of retinoic acid (1μM) prior to irradiation with doses of 2,4,6 and 10 Gy and correlated the radiosensitizing effect of retinoic acid with them. Also, apoptosis induction was assayed with the flow cytometry on days 1, 2, 3, 4 and 5 after irradiation (2,10 and 20 Gy) combined with retinoic acid. Results and Conclusion : SF2 values for NHOK, HEp-2 and FaDu cell lines were 0.54, 0.64 and 0.41, respectively and the cell line of FaDu was the most radiosensitive, For cell lines of NHOK and HEp-2, pretreatment of cells with retinoic acid resulted in a significant decrease of the SF2 values. The α/β ratios of x-ray survival curve were 8.714(NHOK), 4.098(HEp-2) and 11.79(FaDu). The α/β ratio for NHOK decreased on pretreatment with retinoic acid, whereas those for HEp-2 and FaDu increased. Radiation induced apoptosis in all cell lines but, retinoic acid did not affect the apoptosis. (Korean J Oral Maxillofac Radiol 2001; 31 : 135-43)
괴사후성과 비괴사후성 간경변증에서 원인별 주석교질 (^99mTc-tin colloid) 간스캔의 차이
이헌영,허승식,이강욱,정현용,김삼용,신영태,김영건,노흥규 충남대학교 의과대학 지역사회의학연구소 1992 충남의대잡지 Vol.19 No.2
The differences of the liver scintigraphic features between postnecrotic and nonpostnecrotic liver cirrhosis were studied for 69 patients. Degrees of mottling and splenomegaly were no different between two groups but shrinked form was more frequent finding in postnecrotic type(23:10), and normal shape & enlarged left lobe with shrinked right lobe were relatively dominant in non-postnecrotic group(15:6, 10:2). Grade of extrahepatic uptake of ^99mTc-tin colloid was significantly higher in Child-Pugh B & C group than A group(p<0.05), but there was no difference between postnecrotic and non-postnecrotic groups. These will be important results on the dicision for the presence of cirrhosis according to the variable causes.