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이하선의 단일섬유종(Solitary Fibrous Tumor) 1예
박정수(Cheong Soo Park),양우익(Woo Ik Yang),백소야(So Ya Paik),정웅윤(Woong Youn Chung),장항석(Hang Seok Chang),황수경(Su Kyung Hwang) 대한두경부종양학회 1999 대한두경부 종양학회지 Vol.15 No.2
Solitary fibrous tumors are commonly arise in the pleura and less commonly in extrapleural sites. In head and neck area, solitary fibrous tumors can occur in nose, paranasal sinus, soft palate, epiglottis, thyroid, parotid and submandibular gland. To our knowledge, this is the 5th case of solitary fibrous tumor arising from the parotid gland in English literature. We report a case of solitary fibrous tumor occurred in the superficial lobe of right parotid gland which was successfully treated by superficial parotidectomy with preservation of the facial nerve.
꽃잎 수가 많은 복숭아색 스탠다드 절화 장미 ‘투디오스’ 육성
허문선(Moon-Sun Heo),황수경(Soo-Kyung Hwang),윤재수(Jae-Soo Yoon),강병철(Byoung-Cheorl Kang) 한국원예학회 2016 원예과학기술지 Vol.34 No.5
장미 신품종 ‘To Dios’는 고양시농업기술센터에서 2013년에 종자친 ‘Vanilla perfume’과 화분친 ‘Marcia’간의 교배를 통하여 얻은 교잡 후대로부터 선발되었다. 꽃잎수가 48매인 스탠다드 오렌지 장미 ‘Vanilla perfume’을 종자친으로, 꽃잎수 96매의 스탠다드 흰색 장미 ‘Marcia’를 화분친으로 2009년에 교배하여 실생묘를 만들었다. 2010년부터 2013년까지 특성 검정한 결과 절화 특성의 우수성이 인정됨으로써 최종 선발하여 ‘To Dios’로 명명하였다. ‘To Dios’는 스탠다드 타입의 복숭아색(RHS Red Group 36B)을 띄며, 꽃 직경은 11.2㎝으로 넓고, 128매의 꽃잎을 갖는다. 절화 수명은 15일이다. 개화소요일수는 47일이고, 연간 절화 수량은 160본/㎡이다. ‘To Dios’는 국립종자원에서 2014년 3월 19일 품종보호등록(제 4875호) 되었다. A standard rose cultivar, ‘To Dios’(Rosa hybrida) was selected for use as a cut flower from the progeny of a cross between ‘Vanilla perfume’ and ‘Marcia’ at the research and development division of the Goyang-si Agricultural Technology Center in 2013. ‘Vanilla perfume’, an orange-colored (RHS Orange Group 27C) standard rose cultivar with 48 petals, was used as the female plant. ‘Marcia’, a white-colored (RHS Green white Group 157B) standard rose cultivar with 96 petals was used as the male parent. A cross was made in 2009 and seedlings were produced. Selections were made between 2010 and 2013, and a plant with good cut flower traits was finally selected and named ‘To Dios’. ‘To Dios’ is a standard rose with large flowers of 11.2 ㎝ in diameter and 128 peach-colored (RHS Red Group 36B) petals per flower. Vase life of this cultivar is up to 15 days. It takes 47 days from pruning to blooming and cut flower productivity is approximately 160 stems/㎡ per year. ‘To Dios’ was registered as a new cultivar No. 4875 with the Korea Seed & Variety Service on March 19, 2014.
G91강 저주파 피로균열 성장에 미치는 온도와 응력비의 영향
김종범 ( Jong Bum Kim ),황수경 ( Soo Kyung Hwang ),김범준 ( Bum Joon Kim ),이종훈 ( Jong Hoon Lee ),박창규 ( Chang Gyu Park ),이형연 ( Hyeong Yeon Lee ),김문기 ( Moon Ki Kim ),임병수 ( Byeong Soo Lim ) 대한금속재료학회 ( 구 대한금속학회 ) 2012 대한금속·재료학회지 Vol.50 No.4
9-12% Cr steels have been used in thermal power plants which repeat start and stop operations. Major factors of fatigue life are temperature, frequency, stress ratio, holding time, microstructure, and environment. Normally, fatigue life decreases at high temperature, low frequency, high stress ratio, and long holding time conditions. A Mod.9Cr-1Mo steel, called G91, was developed at ORNL (Oak Ridge National Laboratory, USA) and was adopted as a high-temperature structural material in the ASME Code in 2004. However, its low-cycle fatigue and fatigue crack growth characteristics have been rarely studied. In this work, we have investigated the low-cycle fatigue crack growth behaviors of G91 steel under various test conditions in terms of temperature and stress ratio. As temperature and stress ratio increase, the crack growth rate becomes faster and striation distance also increases. On the other hand, the number of branch cracks decreases.
박주희(Joo-Hee Park),황수경(Soo-Kyung Hwang),최정화(Jeong-Wha Choi) 한국생활환경학회 2010 한국생활환경학회지 Vol.17 No.4
The purpose of this study is to analyze the relationships between heat tolerance and cold tolerance resulting from continuous exposure to various jjimjilbang. 17 male subjects were participated for 26-weeks-jjimjil training and heat/cold tolerance test. Through the cluster analysis, we studied the changes of heat/cold tolerance level based on physiological values; T<SUB>re</SUB>, △T<SUB>re</SUB>, T<SUB>sk</SUB> △T<SUB>sk</SUB>, TBWL, REE. Then the tolerance level of each subjects were examined to analyze the main effect (improved heat tolerance) and side effect (reduced cold tolerance) of jjimjil training. According to jjimjil training, the heat tolerance tends to improved (n=13) in rectal temperature, skin temperature and sweat rate (total body weight loss) especially in fire sudatorium-jjimjil group and lounge-rest group. And the cold tolerance tends to improved (n=12) in rectal temperature, skin temperature and resting energy expenditure (resting metaboilc rate) especially in ice room-rest group. So, we identified that according to proper jjimjil training, heat tolerance can be improved without reduced their own cold tolerance. It means jjimjil training in this study is generally enough stimulation for promoting heat tolerance, and jjimjil training method including intensity of temperature stimulation, exposure time, resting method and seasonal effect should be considered for proper jjimjil training recommendations.