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최고야 ( Go Ya Choi ),고병섭 ( Byoung Seob Ko ),장설 ( Seol Jang ),채성욱 ( Sung Uk Chae ),이혜원 ( Hye Won Lee ),이미영 ( Mi Young Lee ) 대한본초학회 2009 大韓本草學會誌 Vol.24 No.4
Objectives: Quality control for imported medicinal herbs is duty for regulation, however to the best of our knowledge there has been no report regarding quality control of imported ones. Therefore, this study investigated the data of imported ones for monitoring quality issue. Methods: These data are categorized according to item, the amount of import, country, inspection item, suitability, and incongruity reason based on the 248 results performed by KIOM. Results: China is the number one country for import with the value of 73%. Inspected medicinal herbs were 139 species, among them Poria is ranked as top for requested number and the amount of import. The amount of import is similar between high ranking 20 species and low ranking 119 ones, showing high ranking ones are major. The incongruity ratio was 7.7% from the total number of inspected items, the reason for incongruity was excess of tolerable amount of Cd residue. Conclusions: From the data, it is effective way to focus on high ranking herbs for evaluating imported herbs for quality control. The study of mechanism on Cd accumulation and its decrease is essential for environmental matter. And identification and storage for mixed used and easily decomposable herbs are remained for further study. Our study might be small step for showing guideline for proper quality control.
위상잠금 적외선 열화상 기법을 이용한 각도별 원전 감육 배관의 결함 검출
윤경원(Kyung-Won Yun),고경욱(Gyeong-Uk Go),김진원(Jin-Weon Kim),정현철(Hyun-Chul Jung),김경석(Kyung-Suk Kim) 한국비파괴검사학회 2013 한국비파괴검사학회지 Vol.33 No.4
위상잠금 적외선 열화상 기법을 이용하여 원전 배관의 결함 검출 및 각도별 결함 검출 조건에 관한 연구를 수행하였다. 결함의 가공은 감육 길이, 원주방향 각도, 감육 깊이를 변화시켜 결함조건을 가공하였다. 사용된 장비는 적외선 열화상 카메라와 1 ㎾용량의 halogen lamp 2개를 사용하였으며, halogen lamp와 대상배관과의 거리는 2 m로 고정시켜 실험을 수행하였다. 실험결과의 분석을 위하여 온도분포, 위상 데이터를 확보하고, 이를 분석하여 결함 길이를 측정하였다. 이 연구를 통해 각도별로 나타나는 감육 결함의 검출 형태를 파악함으로서 실제 발전소의 배관에 나타나는 다양한 각도의 결함의 분석이 가능하다. 적외선 열화상 데이터보다 위상잠금 적외선 열화상 데이터가 측정 결과의 신뢰도가 높았다. This perform research of angle rated defect detection conditions and nuclear power plant piping defect detection by lock-In infrared thermography technique. Defects were processed according to change for wall-thinning length, Circumference orientation angle and wall-thinning depth. In the used equipment IR camera and two halogen lamps, whose full power capacitany is 1 ㎾, halogen lamps and target pipe’s distance fixed 2 m. To analysis of the experimental results ensure for the temperature distribution data, by this data measure for defect length. Reliability of lock-In infrared thermography data is higher than Infrared thermography data. This through research, Shape of angle rated defect is identified industry place. It help various angles defect detection in the nuclear power plant in operation.
Mi Jin Jeong,Go Eun Choi,Balkrishna Ghimire,Ha Yan Lee,Ji Young Jung,Myung Suk Choi,Ja Jung Ku,Kyung Mee Lee,Cheul Ho Lee,Gang Uk Suh,Sung Won Son 한국원예학회 2016 원예과학기술지 Vol.34 No.3
In this study, we investigated the effect of seed collection stage and alternating temperature on the germination of Deutzia paniculata (Hydrangeaceae). The seeds were collected from naturally growing D. paniculata populations in Mt. Palgong, Gyeonsangbuk-do, Korea every two weeks over a three month period from August through October, 2014, totaling five collections. We examined seed characteristics such as seed size (length and width) and weight, and germination percentages for each collection stage under four different germination temperature regimes. We also examined germination after 30 and 60 days of cold moist stratification. Each collection phase had a different germination percentage and the lowest germination percentage was observed in the seeds from phase I (average GP of 15.7%). The germination percentage was similar at the later collection phases and in the higher temperatures suggesting that later collection times and higher temperatures are optimal for D. paniculata germination. We found that the optimum collection stage with high viability and germination percentage of for D. paniculata was during the middle of the September.
Jeong, Mi Jin,Choi, Go Eun,Ghimire, Balkrishna,Lee, Ha Yan,Jung, Ji Young,Choi, Myung Suk,Ku, Ja Jung,Lee, Kyung Mee,Lee, Cheul Ho,Suh, Gang Uk,Son, Sung Won Korean Society of Horticultural Science 2016 원예과학기술지 Vol.34 No.3
In this study, we investigated the effect of seed collection stage and alternating temperature on the germination of Deutzia paniculata (Hydrangeaceae). The seeds were collected from naturally growing D. paniculata populations in Mt. Palgong, Gyeonsangbuk-do, Korea every two weeks over a three month period from August through October, 2014, totaling five collections. We examined seed characteristics such as seed size (length and width) and weight, and germination percentages for each collection stage under four different germination temperature regimes. We also examined germination after 30 and 60 days of cold moist stratification. Each collection phase had a different germination percentage and the lowest germination percentage was observed in the seeds from phase I (average GP of 15.7%). The germination percentage was similar at the later collection phases and in the higher temperatures suggesting that later collection times and higher temperatures are optimal for D. paniculata germination. We found that the optimum collection stage with high viability and germination percentage of for D. paniculata was during the middle of the September.
이승빈 ( Lee Seung-been ),박경규 ( Park Kyung Kyu ),서민조 ( Seo Min Jo ),김시욱 ( Choi Won Jun ),최원준 ( Kim Si Uk ),김치경 ( Kim Chee Kyung ) 한국건축시공학회 2023 한국건축시공학회 학술발표대회 논문집 Vol.23 No.2
The process of construction site supervision plays a crucial role in ensuring safety and quality assurance in construction projects. However, traditional methods of supervision largely depend on human vision and individual experience, posing limitations in quickly detecting and preventing all defects. In particular, the thorough supervision of expansive sites is time-consuming and makes it challenging to identify all defects. This study proposes a new construction supervision system that utilizes vision processing technology and Artificial Intelligence(AI) to automatically detect and analyze defects as a solution to these issues. The system we developed is provided in the form of an application that operates on portable devices, designed to a lower technical barrier so that even non-experts can easily aid construction site supervision. The developed system swiftly and accurately identifies various potential defects at the construction site. As such, the introduction of this system is expected to significantly enhance the speed and accuracy of the construction supervision process.
( Byeong Ho Jeong ),( Jae Uk Song ),( Wooyoul Kim ),( Seo Goo Han ),( Yousang Ko ),( Junwhi Song ),( Boksoon Chang ),( Goohyeon Hong ),( Su Young Kim ),( Go Eun Choi ),( Sung Jae Shin ),( Won Jung Koh 대한결핵 및 호흡기학회 2013 Tuberculosis and Respiratory Diseases Vol.74 No.4
We report a rare case of lung disease caused by Mycobacterium lentiflavum in a previously healthy woman. A 54-year-old woman was referred to our hospital due to chronic cough and sputum. A computed tomography scan of the chest revealed bilateral bronchiectasis with bronchiolitis in the right middle lobe and the lingular division of the left upper lobe. Nontuberculous mycobacteria were isolated twice from three expectorated sputum specimens. All isolates were identified as M. lentiflavum by multilocus sequence analysis based on rpoB, hsp65, and 16S rRNA fragments. To the best of our knowledge, this is the first documented case of M. lentiflavum lung disease in an immunocompetent adult in Korea.