http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김하원(Ha Won KIM) 한국생약학회 1985 생약학회지 Vol.16 No.4
To screen biologically active components of the higher fungi of Korea, the dried carpophores of Auricularia polytricha were extracted with water. The extract was examined for acute toxicity in ICR mice. A low molecular weight toxin of this fungus was purified by acetone precipitation followed by cellulose, silica gel and LH-20 Sephadex column chromatography. Major symptoms of this toxin were eye extrusion, hair erection, trembling of head, paralysis, rapid running or moving before death and depression of respiration. The median lethal doses of the total extract were 1.25g/㎏ and 4.18g/㎏ by i.p. and p.o. administrations, respectively. The amounts of one mouse lethal unit (MLU) of the total extract and final fraction that killed a 20-g mouse within 30 minutes were 28.5 ㎎/mouse and 12 ㎎/mouse, respectively.
부산 주변 해역에 출현하는 황돔(Dentex tumifrons)의 식성
김하원 ( Ha Won KIM ),백근욱 ( Gun Wook Baeck ),박주면 ( Joo Myun Park ),허성희 ( Sung Hol Huh ) 한국어류학회 2012 韓國魚類學會誌 Vol.24 No.1
부산 연안해역에서 2004년 1월부터 12월까지 매월 1회 채집된 황돔(Dentex tumifrons) 317개체의 식성을 조사하였 다. 황돔의 표준체장(SL)은 10.2~27.8 cm 범위였다. 황돔의 위내용물을 분석한 결과 새우류(Macrura)를 주로 섭식하는 육식성어종(carnivore)이었다. 새우류 다음으로 어류(Pisces) 가 중요한 먹이생물이었다. 그 다음으로 집게류(Anomura), 단각류(Amphipoda), 게류(Brachyura), 극피동물(Echinodermata), 두족류(Cephalopoda) 순으로 섭식하였다. 그 외, 갯지 렁이류(Polychaeta), 갯가재류(Stomatopoda), 이매패류(Bivalivia), 패충류 (Ostracoda), 곤쟁이류 (Mysidacea) 등을 섭식 하였지만 그 양은 매우 적었다. 가장 작은 크기군인 10~13 cm의 크기군에서는 새우류가 가장 중요한 먹이생물로 나 타났다. 13~16 cm 크기군에서는 새우류의 비율이 감소한 반면, 집게류, 극피동물, 게류의 비율이 증가하였다. 체장이 증가함에 따라 새우류, 집게류, 극피동물, 게류의 비율이 감 소한 반면, 어류의 비율은 계속 증가하였다. 어류는 체장 25 cm 이상의 크기군에서는 위내용물의 대부분을 차지하였다. The feeding habits of yellowback seabream, Dentex tumifrons, were studied using 317 specimens collected in the coastal waters of Busan, from January to December, 2004. The size of the specimens ranged from 10.2 to 27.8 cm in standard length (SL). D. tumifrons had turned out a carnivore and opportunistic predator that consumed mainly shrimps. Fishes were next important prey items. Its diet also included anomurans, amphipods, crabs, echinodermata and cephalopods. Polychaetes, stomatopods, bivalves, ostracods, mysids and so on were minor preys. The individuals of smallest size class (10~13 cm SL) fed mainly on shrimps. In the next size class (13~16 cm SL), the proportion of shrimps decreased, whereas the consumption of anomurans, echinodermata and crabs increased. The proportion of these prey items decreased as body size increased, whereas the consumption of fishes gradually increased. Fishes accounted for almost stomach contents of larger individuals (more than 25 cm SL).
일개 의과대학에서 입학 시 특성에 따른 의예과 학업성취도에 대한 연구
김하원(Ha-Won Kim),고희선(Hee-Sun Ko),이무송(Moo-Song Lee),남주현(Joo-Hyun Nam),김원동(Won-Dong Kim),이재담(Jae-Dam Lee) 한국의학교육학회 2002 Korean journal of medical education Vol.14 No.2
Purpose: This study examined the relationship between the achievement of premedical students and admission characteristics at University of Ulsan College of Medicine: high school types and majors, gender, admission assessment method and interval from the high school graduation to the entrance of premedical school. Methods: Admission characteristics and demographic informations was obtained for students who entered from 1999 to 2001. Academic achievement was measured according to the results of grade point average (GPA) of total subjects and science subjects and each subject s grades. Admission characteristics and the GPA s and grades were analysed. Multiple linear regression was used to examine the relationship between admission variables and academic achievement. Results: 1. For the first year of premedical school students who studied natural science at ordinary high school, or who graduated science high school showed better achievement than others. 2. Students entered by general selection method also got significantly higher GPA s than other students in the first year. 3. Female students got significantly higher GPA s than male students in two consecutive semesters (1-2 and 2-1). 4. Students qualified by the national highschool graduation examination showed significantly lower achievement than other students in the first semester of the second year. 5. There were no relationships between achievement and other characteristics. Conclusion: Students who have academic difficulties in the first year of the premedical course is those who were not exposed to the natural science subjects. It seemed that the premedical course worked as a buffer absorbing differences from the students of various academic backgrounds in their high school period. For the second year, high school majors did not influence the academic achievement.
마우스 대식세포에서 스테로이드 호르몬과 세포내 Ca++ 이 타우린수송체의 활성에 미치는 영향
김하원(Ha Won Kim),안혜숙(Hye Suk An),이선민(Sun Min Lee),이은진(Eun Jin Lee),현진원(Jin Won Hyun),박건구(Kun Koo Park),박태선(Tae Sun Park),김병각(Byong Kak Kim) 한국응용약물학회 2001 Biomolecules & Therapeutics(구 응용약물학회지) Vol.9 No.1
N/A The activity of taurine transporter is affected by various extracellular stimuli such as ion, hormone and stress. To assess effects of steroid hormones and cyclosporin A (CsA) on the taurine transporter activity, murine monocytic RAW264.7 cell line was stimulated with dexamethasone (DM), triamcinolone (TA), cortisone (CS), hydrocortisone (HCS), prednisone (PSN), prednisolone (PSL) and methylprednisolone (MPSL) in the presence of 12-O-tetradecanoylphorbol-l3-acetate (TPA). Treatment of TPA on the cell line led to significant reduction of taurine transporter activity. However, in case of stimulation of the cells with steroid hormones in the presence of TPA, all of them recovered TPA-induced reduction of the taurine transporter activity. Treatment of the cells with CsA led to significant reduction of the taurine transporter activity. Ionomycin (IM) recovered the reduced taurine transporter activity by CsA, but failed in the presence of EDTA, a calcium chelating agent. These results showed that glucocorticoid hormone recovered TPA-induced reduction of taurine transporter activity and that IM recovered CsA-induced reduction of the transporter activity by increasing intracellular free Ca^(++) concentration.
김하원(Ha Won Kim),윤원영(Won Young Yun) 대한산업공학회 2016 대한산업공학회지 Vol.42 No.1
This paper considers one-shot systems such as missiles, air bags of automobiles that are stored for a long time and are used at most once. One shot systems are inspected periodically to detect system failures and repair the system because we do not know whether the system will work or not on demand. Thus, we can keep high availability of the system by periodic inspection. Martinez (1984) obtained the system reliability approximately. In this paper, we obtain the exact system reliability under periodic inspection. Finally, we compare the system reliability from our formula with one of Martinez (1984) by numerical examples.
Cordyceps militaris 로부터 분리한 Ergosterol Peroxide 의 한국인 암세포주에 대한 항암작용
김하원(Ha Won Kim),김영호(Young Ho Kim),채흥복(Xing Fu Cai),남경숙(Kyong Suk Nam),이승정(Seung Jung Lee),안혜숙(Hye Suk An),정은호(Eun Ho Jeong),윤승현(Seung Hyun Yun),성수경(Su Kyong Sung),이성진(Sung Jin Lee),현진원(Jin Won Hyun) 한국균학회 2001 韓國菌學會誌 Vol.29 No.1
N/A
김하원,허성회,곽석남,Kim, Ha-Won,Huh, Sung-Hoi,Kwak, Seok-Nam The Korean Society of Marine Environment and safet 2013 海洋環境安全學會誌 Vol.19 No.1
실비늘치(6.70~5.32 cm TL)의 성장과 생산량에 대한 연구는 동대만 잘피밭에서 2006년도에 실시하였다. 실비늘치 시료는 소형 빔트롤에 의해서 총 888개체가 채집되었다. Bertalanffy 성장식을 이용하여 구한 전장의 성장식은 $L_t=24.8257(1-e^{-0.5583(t+0.4816)})$이었다. 실비늘치의 밀도, 생체량, 일일생산량, 연간생산량, 그리고 P/B ratio는 각각 $0.01{\pm}0.009/m^2$, $0.17{\pm}0.16g/m^2$, $0.00006{\pm}0.00006g$ AFDW/$m^2$/day, 0.02g AFDW/$m^2$/yr, 그리고 0.12이었다. 실비늘치 생산량의 월변화는 컸으며, 7월(0.000182g AFDW/$m^2$/day), 9월(0.000127g AFDW/$m^2$/day) 그리고 11월(0.000123g AFDW/$m^2$/day)에 높았으며, 4월과 5월(0.000003g AFDW/$m^2$/day)에 가장 낮았다. 실비늘치의 생산량의 월변화는 개체수와 생체량, 그리고 성장률과 양의 상관관계를 보였다. The growth and production of Aulichthys japonicus (6.70~15.32 cm TL) were investigated in an eelgrass bed of Dongdae Bay, Korea throughout 2006. A total 888 A. japonicus were collected with a small beam trawl. Growth in fish total length was expressed by the von Bertalanffy's growth equation as: $L_t=24.8257(1-e^{-0.5583(t+0.4816)})$. The densities, biomass, daily, annual production, and P/B ratio were $0.01{\pm}0.009/m^{-2}$, $0.17{\pm}0.16g/m^2$, $0.00006{\pm}0.00006g$ AFDW/$m^2$/day, 0.02g AFDW/$m^2$/yr, and 0.12, respectively. Monthly variation in production of A. japonicus was large; the peak occurred at July, September and November 2006 (0.000182, 0.000127 and 0.000123 g AFDW/$m^2$/day), where as the lowest value was 0.000003g AFDW/$m^2$/day at April and May 2006. Monthly change in production of A. japonicus was positive correlated with number of individuals, biomass and growth rate.