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鐵道測量에 있어서 三角測量과 三邊測量의 比較考察 : 水平位置決定을 中心으로
李南洙 철도전문대학교 1984 論文集 Vol.5 No.1
This article compares trilateration with triangulation in railroad survey. That study showing analysis and compares that a series of accuracy and errors by exist triangular points with positioning the triangulation and trilateration. As follows. 1) The accuracy in a station position by trilateration is superior to that in a station position by triangulation. 2) Comparing the accuracy of the distance measurement which that of the angular measure ment side length is seems to be large than angular in the influence to the station position. 3) In railroad triangulation, it will obtain the higher accuracy to use side measurement method than angular measurement method.
이남수,조지선 한국수자원공사 2016 저널 물 정책·경제 Vol.27 No.-
본 논고는 2015년 진행된 친수구역조성사업(이하, 친수사업)의 활성화를 위한 제도개선 방안 연구 내용을 요약한 것으로 그 주요 내용은 다음과 같다. 친수사업은 하천주변의 가치를 적극 활용하여 소득증가에 따른 레저·관광 등 새로운 수요에 대응하기 위한 사업으로서, 주택이나 공단 등 주택난 해소, 산업용지 공급 등의 특정 목적 위주의 개발사업과 달리 하천변과 밀접하게 연계되어 친환경적으로 추진되는 사업이다. 친수사업에 따른 개발로 인하여 발생한 이익은 90%를 환수하여 하천정비 등 공공목적에 재투자하도록 하고 있다. 본 연구에서는 친수사업으로 조성되는 토지의 공급 방법 및 가격기준이 현행 법체계에서는 「택지개발업무처리지침」을 준용하도록 하고 있으나, 이는 친수사업의 차별성 및 특수성을 반영하지 못하고 있어 이에 대한 개선방안을 연구하였다. 또한 수년에 걸쳐 시행되는 사업의 특성상 기준의 일관성 및 신뢰성, 투명성 확보를 위해 타 기준을 준용함보다는 별도 기준신설이 필요하다는 관점에서 연구가 진행되었다. 아울러, 타 개발사업별 특성 및 최근의 동향 등을 고려하여, 친수사업의 활성화를 위한 공공 및 민간 차원의 기여 방안을 모색하고자 하였다.
이남수,주문기,고효인,홍지영,오양기 한국생활환경학회 2017 한국생활환경학회지 Vol.24 No.6
The construction of apartment buildings near the road is increasing in the city. Noise insulation facilitiesare installed to reduce road traffic noise. The most effective is the sound proof tunnel. However, the sound prooftunnel is indiscriminately and excessively installed. Noise isolation performance and economic feasibility should beconsidered when installing sound proof tunnel. Based on the results, sufficient alternatives will allow for efficient designsat the same cost. This study provided an alternative to the efficient design of insulation facilities for apartment housings. It predicted the impact of traffic noise. We simulated 3D simulation of the apartment buildings. It analyzed the noisereduction effects.
李南洙,金炯默 고려대학교 의과대학 1979 고려대 의대 잡지 Vol.16 No.1
Mediastinoscopy is a surgical endoscopic technique used mainly for examination and biopsy of lesions of the superior and middle mediastnum. It is particulary concerned with diseases that primarily or secondary involve the paratracheal and parabronchial lymphatics. A total of mediastinoscopy are presented with a detailed analysis of indications and results. Of these mediastinostopy was positive in 10 cases (50%) and negative in 10 cases (50%). The 10 positive mediastinscopies were diagnostic in 4 patients with malignant lymphoma, 5 patients with carcinoma of the lung, one patient with active pulmonary tuberculosis. Of 10 negative mediastinoscopies, one was inoperable due to recurrent laryngeal nerve nvolvement, 9 patients were subjected to radical resection. Complications of mediastinoscopy were developed in 2 cases, one was minimal degree of subcutaneous emphysema on anterior chest wall, and other was widening of right mediastinal border due to hematoma. Two complications were dompletely absorbed after 7days.
우리나라의 土地測定制度에 關한 硏究 : 問題點과 그 展望을 中心으로
李南洙 철도전문대학교 1980 論文集 Vol.1 No.1
This thesis was intended to make,analysis, of the, landsurveying system in Korea by means of tracing the process of development in the history of the same system and also to make comparative study of the current status and plans, etc, of those in foreign countries. In donag so, the author sought, to find a solution to various problems in the use of agricultural land and land in city areas in connection with the land-surveying, system in Korea. It would-be the author's area satisfaction if this thesiswould be a little help in establishing plans concerning the land-surveying system in Korea.
아레나 시뮬레이션을 활용한 화장품 포장공정의 개선사례 연구
이남수,이재용,조은현,이동형 한국산업경영시스템학회 2020 한국산업경영시스템학회지 Vol.43 No.2
Demand for cosmetics with functionality and eco-friendliness has increased dramatically due to recent aging, well-being trends, and increased interest in beauty. Cosmetics production in 2014 was 8,970.4 billion won, an increase of about 50% compared to 6,014.6 billion won in 2010. In the midst of this, similar companies in intense competition are pursuing differentiated strategies and innovation activities to solve quality, price and delivery problems. In particular, cosmetics packaging work is getting more difficult due to the increasing bill of materials (BOM) and difficult assembly methods. Therefore, in this study, the following problems were identified and suggestions for the improvement of the packaging Many research laboratories such as biotechnology, chemistry, and pharmaceuticals, which are undergoing various studies, are equipped with ready-made laboratory safety equipments such as bio-safety workbenches, aseptic bases, and exhaust workbenches. However, most researchers are disadvantaged in using existing safety equipment. This is because existing safety equipment can not take into account all of the unique characteristics of the research. For this reason, researchers are demanding the development of customized safety equipment that is well suited to their research needs. process of Company C, which is facing difficult situation to respond to the customer 's delivery due to the 52 - hour work week. First, we used the stopwatch to find the difficulty process in the packaging process and show ways to improve it. Second, to improve the efficiency of line balancing in the packaging process, we integrate processes, improve work methods, and perform simple automation. As a result, the prepare loss for replacement was reduced by 1 minute from 5 minutes, resulting in a 23% increase in productivity from 112 ea./hour to 137ea./ hour per person. At this time, the LOB of the packaging process was improved from 70% to 82% by operating one more production line through one person per line, total 9 people saving.