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UAV 및 4D 모델을 활용한 고층건축물 외장재 자동검측 유지관리 방안
김용구,권종욱 대한건축학회지회연합회 2021 대한건축학회연합논문집 Vol.23 No.1
According to the statistical data in the skyscraper, the number of skyscraper in the world has increased rapidly. Therefore, the research related to the facility management of skyscraper is the most important factor and the volume of needs has increased. However, those researches still are not able to suggest an effective resolution to the problem of high demand for time, cost, and manpower for management. Moreover, the safety cannot be guaranteed in the case of high-rise buildings. On top of that, the research has limitations to apply to the current deteriorated facilities maintenance system since it is difficult to detect the errors and acquire the rate of accuracy with detailed information particularly in skyscrapers. Therefore, this paper will suggest the new approach for the management of skyscraper by 4D maps using a UAV(an unmanned aerial vehicle) and the other programs. Consequently, it will help inspectors to gain the information of the skyscraper in a safe and reasonable way.
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金庸丘,申光澈,李承洙,文明善 대한신경외과학회 1976 Journal of Korean neurosurgical society Vol.5 No.1
Infection involving the spinal cord and cauda equina are much less common than intracranial infection. Among the above, bacterial infection in spinal epidural space are relatively uncommon but well recogn-ized entity in adult and children. More than 300 cases with spinal epidural abcess are described in the literatures. Because of its rarity, there is delay in diagnosis and irreversible neurological sequelae in high percentage of cases. Infection of the spinal epidural space are accompanied by fever, tachycardia, headache, pain and tenderness in the back, weakness of the lower extremities and finally a complete paraplegia. The modes of infection are 1) direct extension from inflammatory processe in adjacent tissues 2) perforating wounds or lumbar puncture 3) hematogenous route from the remote origin. The most frequent causative organism is staphylococcus aureus always, but pneumococcus, streptococcus, pseudomonus, typhoid bacillus, pyocyanus, oidium coccidioides and fungus are causative organisms occasionally. In spinal epidural abscess with complete paraplegia, the neurologic sequelae are permanent and unhappy. So the spinal epidural abscess is neurosurgical emergency in which early diagnosis and prompt surgery are necessary to avert permanent cord damage. Recently, the spinal epidural abscess has increasing tendency. We have treated 5 cases with spinal epidural abscesses from Nov. 1974 to Apr. 1976. The followings are results ; 1) Sex incidence showed male 2, female 3 and age incidence ranged from 21 years to 38 years, but 4th decade was most common. 2) Most common mode of infection was unknown though all cases have been applied the acupunture for the back pain several times. 3) Most available procedures of diagnosis were the usual infectious sysmptoms, leukocytosis, increased erythrocyte sedimentation rate, obstructive responce by Queckenstedt test and findings of myelography, including increased protein and pleocytosis in cerebrospinal fluid. 4) All 5 cases had been performed total laminectomy from T₃-L₃, according to the lesions commonly in thoracic spine with spinal epidural abscess and been treated with penicillin G, Methicillin and Geopen. 5) The prognosis was poor in 4 cases with complete paraplegia but 1 case with incomplete paralysis recovered completely.
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南北韓 經濟交流政策에서의 北韓 勞動力 活用 分野 選定 基準에 關한 一硏究
金龍龜 서울大學校經濟硏究所 2002 經濟論集 Vol.41 No.4
南北韓 관계의 진전에 따라 對北 위탁가공교역이 확대될 가능성, 北韓에 南韓 기업과의 합작에 의한 공단이 개발될 가능성 등이 커진 상황에서 아직까지 실질적으로 어떠한 산업분야에서 北韓의 勞動力을 활용하는 인적 교류가 실시되는 것이 바람직할 것인가에 대한 논의는 많이 이루어지지 못하였다. 北韓에 관련된 경제문제를 분석할 때에 항상 봉착되는 것이 직접 통계자료의 부족 문제이다. 北韓의 勞動力 실태와 직접 관련된 원자료를 구할 수 없는 상황에서는 간접적인 통계자료를 활용하여 勞動力 활용 가능 분야를 도출하는 방법을 사용할 수밖에 없는데, 이와 관련하여 고려할 수 잇는 자료는 貿易 統計 資料와 生産聯關表 資料이다. 본 논문에서는 이 두 가지 間接 統計資料의 활용, 해석을 통해서 남북 경제교류 확대를 위한 정책 결정 등의 경우에 북한 노동력 활용을 우선적으로 고려할 r\수 있는 산업 분야를 선정하는 기준을 제시하고자 한다.
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