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( Bo An Jang ),( Chin Surk Ko ),( Jung Han Kim ),( Cheong Bin Kim ),( Seong Seung Kang2 ) 대한지질공학회 2014 지질공학 Vol.24 No.3
Limestone bodies under the tectonic environment have experienced various tectonic processes, and also changed the stress state. In this study, calcite twins found in limestones of the Joseon Supergroup and Pyeongan Supergroup in the northeastern part of the Ogcheon Belt, South Korea were measured, then the paleostress (i.e., the maximum shortening axis) was reconstructed using the new calcite strain gauge (NCSG) technique. The average twin thickness and average twin intensity increase as the total twin strain increases. We utilize the appearance of twins, the average twin thickness and average twin intensity, and the total twin strain to estimate that the observed calcite twins were produced at temperatures of < 200oC in the Joseon Supergroup and 170oC in the Pyeongan Supergroup. In the Joseon Supergroup, the dominant direction of the maximum shortening axis WNW-ESE to NW-SE; NE-SW shortening is also observed. The maximum shortening axes in the Pyeongan Supergroup are oriented NW-SE and NE-SW. The NE-SW direction of maximum shortening is associated with the occurrence of the Songrim orogeny of the Paleozoic to Early Jurassic, and the NW-SE direction of maximum shortening correlates to the Daebo orogeny of the Early Jurassic to Late Jurassic. It is thus concluded that the paleostress across the study area changed from NE-SW to NW-SE during the Mesozoic.
커튼월 단열 앵커링 유닛의 난방에너지 성능 및 경제성 평가
강승희,구보경,주선경,송승영 대한건축학회 2003 대한건축학회논문집 Vol.19 No.12
Curtain wall system has been widely applied to the residential unit of high-rise complex building which is the new trend in a recent construction market. It is very important to improve the insulation performance of curtain wall anchoring unit since it is composed of materials with high thermal conductivity, such as aluminium, steel and so on. Thus this study aims to evaluate the heating energy performance and economical efficiency of various alternatives which are different in position and material of insulation. As results, alternative of inserting the urethane washer & pad and coating the anchoring unit with urethane foam can improve the heating energy performance and L.C.C(Life Cycle Cost) by 6.33% and 0.95%, respectively, as compared with the existing case.
강보승,이정훈,송형곤,송근정,정연권 대한응급의학회 2000 대한응급의학회지 Vol.11 No.3
Heat stroke, a medical emergency, occurs when the body's thermal regulation is upset and unable to dissipate adequate amounts of heat with a rise in body temperature. It is characterized by hyperpyrexia, with a core temperature of 40˚C or more. hot dry skin, and central nervous system disturbance and usually results in rhabdomyolysis and multiorgan failure. Our case, a 43-year-old healthy male, was caused by a marathon, half course, on a sunny day in late summer. He suddenly fell down on the road and was delivered to a nearby hospital, where a seizure developed. He was transfered to our hospital and then displayed Central Nervous System disturbance, hot dry skin, acute liver failure, rhabdomyolysis, anurlc acute renal failure, and disseminated intravasculular coagulopathy. He was treated with general supportive care and hemofiltration. Despite the aggressive management, he died of shock on the fifth day after admission.
내·외단열공법 및 온도조건별 냉동냉장창고 외피의 적정 단열계획
강승희,구보경,송승영 대한건축학회 2003 대한건축학회논문집 Vol.19 No.3
It is very important to apply the reasonable insulation method to refrigerated warehouse since temperature difference between storage and outside is so great. However, insulation method for refrigerated warehouse is not expressly provided in the Korean building code and there are few examinations for evaluation of each insulation method. Thus, this study aims to evaluate the economical efficiency of the refrigerated warehouse envelope with different insulation method(inside and outside insulation), temperature condition(0℃, -6℃ and -15℃) and insulation thickness(100㎜, 150㎜ and 200㎜ / 50㎜ or 250㎜). As results, it is proved to have the best economical efficiency when outside insulation method with thickness of 100㎜(0℃ and -6℃) and 150㎜ urethane(-15℃) is applied.
김병철,강보승,송형곤,이정훈,송근정,정연권 대한응급의학회 1999 대한응급의학회지 Vol.10 No.4
Background : The purpose of this study was to analyze the endotracheal intubation cases performed in the emergency department. Methods : We investigated retrospectively 326 cases of endotracheal intubation performed in the emergency department of a tertiary care center form April 1, 1998 to March 31, 1999. We focused on operators, medications used, its success rate and immediate complications, and the relationship between its success rate and medications. Results : Of 326 consecutive intubations, 193 patients(59.2%) were done by emergency medicine residents or attending physician. While 320 patients(98.2%) were successfully intubated, 6 patients could not be intubated and 2 patients underwent tracheostomy. Of 50 cases of intubations(15.3%) attempted with paralyzing agents, 48 cases were done with succinylcholine and 46 cases underwent by emergency physicians. Intubations with neuromuscular paralysis resulted in high success rates at the first attempt. Of 55 immediate adverse events were encountered in 47 patients(desaturation=17, bronchial intubation=15, hypotension=8, bradycardia=4, cardiac arrest=2, others=5). Conclusion : At this institution, paralyzing agents were used infrequently, but almost all of them were used by emergency physicians.
김만구,강미희,임양석,박기준,황훈,이보경,홍승희,이동수 江原大學校 附設 環境硏究所 1999 環境硏究 Vol.16 No.-
The rain water samples were collected at Chunchon and Seoul by using wet only automatic sampler from January 1996 through December 1997. The daily base rain water samples collected over than 95% rainy events during the whole period. The samples were measured both pH and conductivity, and were analysed major ionic components, SO₄^(2-), NO₃^(-), Cl^(-), NH₄^(+), Ca^(2+), Na^(+) and K ^(+), by ion chromatography. In 1996, about 77% sampled rain water showed below pH 5.6 and the 60% of rain water was lower than pH 5.0. The volume weighted average pH was 4.7 at all sites. In 1997, the volume weighted average pH was 4.6 and 4.9 at Seoul and Chunchon, respectively. Among the rain water samples, 87% and 55% of samples showed below than pH 5.6 and 5.0, respectively. The pH value of Chunchon was significantly (p<0.05) lower than Seoul at the rain samples for less than 20 ㎜ rainfall. However conductivity of the rain samples were 20.9 μS/㎝ for 1996 and 27.7 μS/㎝ for 1997 at Seoul, and 19.1 μS/㎝ for 1996 and 14.1 μS/㎝ for 1997 at Chunchon. H₂SO₄AND HNO₃CONTRIBUTED 65.9% and 29.6% of free acidity at Seoul, respectively. The ratio of [NO₃^(-)]/[nss-SO₄^(2-)] were 0.43 at Seoul and 0.51 at Chunchon for rain samples for less than 20 ㎜ rainfall. The annual wet deposition of Cl^(-), NO₃^(-), SO₄^(2-), H^(+), Na^(+), NH₄^(+), K ^(+), Mg^(2+) and Ca^(2+), respectively, 568.8 ㎏/㎢, 1489.3 ㎏/㎢, 3184.8 ㎏/㎢, 20.9 ㎏/㎢, 249.4 ㎏/㎢, 1091.2 ㎏/㎢, 189.8 ㎏/㎢, 90.2 ㎏/㎢, and 702.4 ㎏/㎢ at Seoul for 1996; 656.4 ㎏/㎢, 2029.7 ㎏/㎢, 3280.7 ㎏/㎢,27.2 ㎏/㎢, 229.4 ㎏/㎢, 1063.9 ㎏/㎢, 106.9 ㎏/㎢, 7802 ㎏/㎢, and 645.3 ㎏/㎢, at Seoul for 1997; 116.9 ㎏/㎢, 983.3 ㎏/㎢, 1797.0 ㎏/㎢, 21.4 ㎏/㎢, 83.2 ㎏/㎢, 648.1 ㎏/㎢, 78.0 ㎏/㎢, 22.2 ㎏/㎢ and 368.8 ㎏/㎢ at Chunchon for 1996; 100.2 ㎏/㎢, 1077.6 ㎏/㎢, 1754.0 ㎏/㎢, 13.4 ㎏/㎢, 146.0 ㎏/㎢, 602.3 ㎏/㎢, 88.8 ㎏/㎢, 16.2 ㎏/㎢ and 206.8 ㎏/㎢ at Chunchon for 1997.