http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
원상호,공달영 대한자원환경지질학회 2023 자원환경지질 Vol.56 No.4
A total of 64 specimens of trace fossils were collected from the Jinju Formation of the construction site of Jinju Aviation Industrial Complex, and from the Haman Formation of Namhae Gain-ri fossil site. The fossils are continuously and regularly meandering sinecurve in shape. The fossil varies in morphology: width between 0.2 and 5.6 mm, wavelength between 1.5 and 28 mm, and amplitude between 0.9 and 7.9 mm; the Jinju specimens are commonly wider than the Haman ones. The ratio of wavelength to amplitude is more or less regular regardless of width of the specimen, and the linear correlation of the ratios shows that the Jinju specimens fit better than the Haman specimens. Taking all morphometric parameters, specimens in all size ranges are temporarily identified as ichnospecies Cochlichnus anguineus. In order to obtain more distinct and clearer images of Cochlichnus, we selected two specimens and applied a new imaging technology RTI. For photography of the trace fossils, 50 to 80 images were taken per set with photometric lighting close to the surface and horizontally. RTI technology clearly showed that the images of tiny fossils were improved: the surface contrast become sharper and messy and unnecessary information disappeared. Currently, RTI technology is used in many fields including preservation of cultural properties and archaeology. As a consequence, we hope to apply this technique to the field of paleontology, especially to the study of trace fossils of very small size.
Micro arrayed polydiacetylene liposome biosensor using gold nanoparticles for signal enhancement
김우현,원상호,심상준 한국공업화학회 2015 한국공업화학회 연구논문 초록집 Vol.2015 No.1
Polydiacetylene (PDA) liposomes which possess unique properties and that properties allow liposomes to change color and emit fluorescence in response to stimulus such as temperature, antibody-antigen interaction, variations in pH, mechanical stress and organic solvent. This material has been extensively studied as signal transducers in biosensor applications. In this research, we demonstrated an antibody-based biosensor using PDA liposomes for detection of hIgE. Target hIgE chemically bound to antibodies-immobilized PDA liposomes and the fluorescence responses were a little bit increased depending on target protein concentration. On the other hand, in case of the addition of gold nano particles-conjugated polyclonal antibody on the liposomes, fluorescent responses dramatically increased depending on target protein concentration. As the results, we could confirm that gold nano particles-conjugated polyclonal antibody affect fluorescent signal amplification of PDA liposomes chip. This strategy can be useful to detect proteins of ultra low concentration.
개인용 이동 수단용 안전모 보관함의 설계 및 제작에 관한 연구
조장현,김동준,원상호,정민재,정형권 한국기계기술학회 2023 한국기계기술학회지 Vol.25 No.3
In this paper, we introduce the result of the locker of the safety helmet to protect the user’s life from accidents of personal mobility, i.e. electrical-scooter, electrical bicycle and kick-board. Through Arduino kit which is the one of common open source computing platform, electric circuit and equipment to fulfil the functions of the locker of the safety helmet is designed and made. Especially the functions which are protected from the damage of humidity and sterilization of bacteria will be automatically operated in locker by Arduino board and bluetooth module with various sensors. The dimension of the locker is designed using CATIA program and made with ABS(Acrylonitrile Butadiene Styrene) resin to keep and lock the helmet.
이재희,성현민,원상호,이조한,변영화 한국기상학회 2019 대기 Vol.29 No.1
In this paper, we introduce a novel Climate & Environment Database System (CEDS). The CEDS is developed by the National Institute of Meteorological Sciences (NIMS) to provide easy and efficient user interfaces and storage management of climate model data, so improves work efficiency. In uploading the data/files, the CEDS provides an option to automatically operate the international standard data conversion (CMORization) and the quality assurance (QA) processes for submission of CMIP6 variable data. This option increases the system performance, removes the user mistakes, and increases the level of reliability as it eliminates user operation for the CMORization and QA processes. The uploaded raw files are saved in a NAS storage and the Cassandra database stores the metadata that will be used for efficient data access and storage management. The Metadata is automatically generated when uploading a file, or by the user inputs. With the Metadata, the CEDS supports effective storage management by categorizing data/files. This effective storage management allows easy and fast data access with a higher level of data reliability when requesting with the simple search words by a novice. Moreover, the CEDS supports parallel and distributed computing for increasing overall system performance and balancing the load. This supports the high level of availability as multiple users can use it at the same time with fast system-response. Additionally, it deduplicates redundant data and reduces storage space.
침수피해 영향인자 분석을 통한 호우침수위험도 예측 모델 연구
이현종,류성현,원상호,조은주,김승욱,조기훈 한국방재학회 2016 한국방재학회논문집 Vol.16 No.3
In this study, we calculated the risk of flooding rains in Seoul districts through a regression analysis. The Results of regression analysis present it to us that ‘weighted hourly rainfall’, ‘capacity of rainwater recycling facility’, ‘vulnerable housing’(single·multiplex housing density, basement·semi-basement housing rate), ‘topography drainage’(lowlands rate, average slope, drainage pump capacity), imperviousness ratio are powerful factors to damage by order. Non-standardized regression coefficients multiplied by time duration to hourly rainfall classified section created a derived variable indicating the risk of flooding. Capacity of rainwater recycling facility were identified to affect a significant negative flood damage. The Model of this study could be used as basis to establish adapt disaster prevention against heavy rainfall damage. 본 연구에서는 회귀분석을 통하여 서울시의 자치구별 호우침수위험도를 산출하였으며, 호우에 의해 발생하는 침수피해의 주요 영향인자를 제시하고자 하였다. 주요 영향인자 중 가중시강우, 저류조 용량, 취약주택(단독다세대주택 밀집도, 지하·반지하주택비율), 지형배수(저지대율, 평균경사도, 배수펌프량), 불투수율 순으로 영향력이 크게 나타남을 알 수 있었으며, 주요 영향인자를 바탕으로 호우침수 위험도 예측 모델을 개발하였다. 시강우량 구간대의 횟수와 침수 피해 데이터의 상관성을 분석하여 시강우량 구간 횟수별 침수위험도를 나타내는 파생변수를 만들었다. 회귀분석을 통해 산출된 비표준화 회귀계수를 시강우 구간대별로 지속한 시간만큼 곱해 침수위험도를 추정하는 방식을 사용하였다. 빗물저류조 용량이 침수 피해에 유의하게 음의 영향을 미치는 것을 규명하였다. 본 연구에서 제시한 모델은 호우침수피해에 대한 객관적이고 합리적인 방재 대책을 수립할 수 있는 기초 자료로서 활용될 수 있을 것이다.
강정모(Jung Mo Kang),원상호(Sang Ho Weon) 한국경제학회 2001 經濟學硏究 Vol.49 No.4
The purpose of this paper is to examine comparative advantage, trade profile and the degree of similarities or differences in the comparative advantage of NEA economies. There is great deal of similarity between Korea, China, Hong Kong, and Taiwan with respect to the RCA structure of RCA index. However, the RCA structure for Japan significantly differs from the rest of its NEA neighbors. An analysis on the RCA profiles indicates an increase in the maturity of export structure for Korea, China and Japan over the period. However, Chinas export structure is still in a relatively immature stage and will undergo considerable evolution.