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李容五,卞鍾秀 慶北大學校 齒科大學 1984 慶北齒大論文集 Vol.1 No.2
Forensic odontolgy is important in individual age determination, the growing and calcifying teeth are especially good materials in age determination. The teeth inspection of ancient Korean children of the Daegaya Kingdom period, about the 4th-5th century was performed by the author with the following results. The age of the child who was burried at the Linking Cist was presumed to be in the 5-year-old child. The age of the child of the Cist No. 32 NW-2 was presumed to be in the late three year to rarly four-year-old child. These ancient deciduous teeth revealed some large size of the crown in compared with the crown of the modern human teeth.
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睡液中 Testosterone의 含量과 血淸中 High Density Lipoprotein Cholesterol의 消長이 座瘡發生에 미치는 效果
李容五,卞種秀 慶北大學校 齒科大學 1985 慶北齒大論文集 Vol.2 No.1
Sex hormone levels are possibly related to risk of heart disease through lipoprotein levels, specifically high density lipoprotein (HDL) cholesterol. HDL cholesterol is a powerful protective factor. Women have higher HDL cholesterol levels than men. Female sex hormones appear to be strongly related to HDL cholesterol; estrogen increases and progesterone decrease HDL cholesterol levels. There is some suggestion that pharmaceutical doses of testosterone will lower HDL cholesterol levels. Little is known about the relation between endogenous testosterone and HDL cholesterol levels. Acne is considered to be an androgen dependent condition and free testosterone in saliva is a useful marker of androgenicity in acne. Hence concentrations of salivary and serum testosterone, serum HDL cholesterol, total cholesterol, triglycerides and phospholipids were determined in male and female patients with varying grades of acne. Levels of salivary testosterone in male patients with acne cystica were slightly higher than those of men without acne, while men and women with acne vulgaris and women with acne cystica had normal salivary testosterone values. Levels of serum testosterone in male and female patients with acne (vulgaris or cystica) were not significantly different from those of controls. Levels of HDL cholesterol in male and female patients with acne cystica were significantly reduced as compared with levels in sex-matched controls and patients with acne vulgaris, while levels of total cholesterol, triglycerides and phospholipids in male and femal patients with acne (vulgaris or cystica) were not significnat. Salivary testosterone levels were negatively correlated with HDL cholesterol in male patients with acne, while salivary testosterone levels were positively correlated with HDL cholesterol in femal patients with acne.
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이용오,문선혜,Lee, Y.O.,Moon, S.H. 대한악안면성형재건외과학회 1991 Maxillofacial Plastic Reconstructive Surgery Vol.13 No.3
We retrospectively reviewed 334 inpatients who sustained a total of 518 mandibular fractures and who ewer treated in our department between l980-1990. This results were obtained as follows : 1. In respect of incidence, there were the highest frequency in July, and the lowest frequency in May. The number of patients has not been increased year after year due to competition with other department in our hospital. 2. The age frequency was the highest in the 2nd decade(38.9%) and the ratio of man to women was 4.9 : 1. 3. The most frequent cause of mandibular fracture was traffic accident(43.4%), and the next was fall down(24.3%), fist blow(71%), industrial accident(21%) and others in order. In the traffic accident, autobicycle accident was 14.1%. 4. The most common location of mandibular fracture was symphysis(38.8%), condyle(20.7% ), angle(19.9%) and body(15.1%) were next in order of frequency. The classification by location of fracture, the frequency of single fracture was 54.8%. 5. In 334 patients of mandibular fracture, the frequency of associated injuries was facial laceration(58.4%), teeth injuries(37.7%), extremity injuries(13.2%) were next in order of frequency. 6. The patients arrived in hospital immediately within 24 hours after accident wee 61.4% of all. In respect of treatment, open reduction was 68.7% of all. 7. Complications including infection were present 11.1% of patient. Other complications inclued delayed healing malocclusion, malocclusion and neurologic problem.
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보행자와 차량의 정체와 흐름 및 안전을 분석하는 AI 신호등 시스템 연구
이용오,박대우 한국정보통신학회 2023 한국정보통신학회논문지 Vol.27 No.8
In urban centers in South Korea, vehicle speeds on public roads are typically 50 km/h, and speeds in elementary school zones are within 30 km/h. There are many traffic jams on the roads, and most vehicles drive close to westbound. In addition, the efficiency of traveling is very low due to regular traffic jams, and the number of vehicles varies depending on the traffic light, making it uneconomical to operate vehicles overall. If pedestrians and vehicles are analyzed through cameras (CCTV) installed on road sections, and artificial intelligence (AI) is introduced to each traffic light section to operate artificial traffic lights, it will be efficient to solve traffic congestion. In this paper, we study an AI traffic light system that analyzes the flow of vehicles and pedestrians through image recognition and analysis of road camera images, and improves the movement efficiency of vehicles and pedestrians through automatic adjustment of traffic lights in congested sections. 한국의 도심에서 차량의 일반도로 속도는 보통 50km/h이고, 초등학교 스쿨존의 속도는 30km/h 이내이다. 도로는 정체 구간이 많아 대부분의 차량이 서행에 가깝게 운전한다. 또한, 상습 정체 구간으로 인해 이동에 대한 효율성이 매우 낮은 것이 현실이며, 신호등에 따라서 구간마다 차량이 적고 많음이 달라서 전체적으로 보면 비경제적인 차량 운행이 되고 있다. 만약 도로 구간에 설치된 카메라(CCTV)를 통해 보행자와 차량을 분석하고, 신호등 구간마다 인공지능(AI)을 도입하여 인공지능 신호등을 운영한다면 교통체증을 해소하는데 효율적일 것이다. 본 논문에서는 도로의 카메라 영상에 대한 영상인식과 분석을 통해 차량과 보행자의 흐름을 분석하고, 정체 구간의 신호등 자동 조정을 통해 차량과 보행자의 이동 효율성을 개선하는 인공지능 신호등 시스템을 연구한다.
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이용오 충남대학교 농과대학 1996 논문집 Vol.- No.2
이상의 결과를 종합해 볼 때 논산군의 재배 현황은 아직 노동력의 고령화는 큰 문제가 되지 않으며 노동력수는 2인을 중심으로 하는 가족형 중심의 농업으로 이루어져 있다. 또한 반촉성재배에 치중된 오랜 경험을 바탕으로 영농을 설계하여 운영하고 있다. 과거에는 품종이 보교조생의 비율이 90%를 넘었지만 근래의 경향은 국내에서 육성된 수흥 및 시장성이 우수한 여봉의 면적이 점점 확대되고 있어 신품종에 대한 선호도는 점점 높아지고 있다. 반몉 촉성재배를 희망하는 농가가 증가하고는 있지만 재배 비율은 상대적으로 낮은 경향이었다. 이러한 원인은 현재의 시설로는 촉성재배가 어려운 상태이며 시설을 개량하여 수막 재배와 열풍기를 이용한 가온재배 방식을 도입해야 겠으며 조사 결과 수막을 이용한 보온 방식으로 수확시기를 앞당기는 작형은 선호하지만 초촉성재배에는 의구심을 표현하였으며 현상태를 유지하려는 경향이 높은 탓으로 사료된다. 또한 최선정보의 부족과 선진지의 견학기회 부족, 외국의 현황에 대한 인식이 부족한 데서 기인한 것으로 생각된다. 결론적으로 논산군의 딸기 발전 방향의 모델 설정에는 많은 정보의 제공과 동시에 젊은 층의 후계자를 통한 신기술의 보급으로 선도적인 역할을 주도할 인력 양서에 중점을 두어야 할 것으로 사료된다. 이에 부응한 고품질 딸기의 생산기술 개발과 새로운 시장 개척 및 지역특산화 상품으로 육성해야 할 과제들이 더욱 더 심층적으로 연구되어야 할 것이다.
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