김대희 토론문

김대희 한국언론학회 2011 한국언론학회 심포지움 및 세미나 Vol.2011 No.9

[지역취재보도 부문] 전국에 설치된 침수방지 차수판 ‘엉망진창’ : 제190회〈빗물 막는다는 창문형 차수판 부실 실태 대해부 단독 연속보도〉_OBS 김대희, 김영길, 홍웅택 기자

김대희 (사)방송기자연합회 2024 방송기자 Vol.80 No.-

북한강 참다슬기, Semisulcospira coreana (v. Martens) 의 번식생태

김대희,방인철,이완옥,백재민,Kim, Dae-Hee,Bang, In-Chul,Lee, Wan-Ok,Baek, Jae-Min 한국패류학회 2012 The Korean Journal of Malacology Vol.28 No.2

To clarify reproductive ecology of the melania snail Semisulcospira coreana (v. Martens, 1886) in Bukhan River, gonad development, fatness, gonad index, sex ratio, first sexual maturity of population, monthly change of larvae number and developmental stages in brood pouches were investigated by six identification methods. As maturation progrsses, the sex of the snali can be distinguishable easily by color:: the ovary being blue-green and testis light yellow. The sex ratio of female to male individuals over 13.95 mm shell height was significantly different from 1:1 (${\chi}^2$ = 38.45, p < 0.05). The sex ratio of female to male individuals changed drastically according to the season, Based on the monthly variations of fatness, gonad index and histological analysis, spawning occurred twice a year (spring and autumn) and the mean size of matured eggs was $450{\mu}m$ in diameter. The monthly change of larval number in brood pouch showed also two distinct peaks in March and September during the year. The average number of larvae in brood pouches was 286 - 862 individuals. In this study, the number of larvae in the brood pouches were a minimum in December and a maximum in March (975 larvae). The biological minimum size (the size at 50% of group sexual maturity) of the melania snail was 13.95 mm in shell height in females and males. All females over 15 mm in shell height possesed brood pouches.

印尼 AI 시장 현황과 전망_인니 2030년 AI 시장 규모 40억 달러…GDP 3%까지 성장·적용 분야 확장 예상

김대희 (주)첨단 2023 자동화기술 Vol.39 No.10

[산업현장 이야기] IX D esig n er 의 사용자 경험

김대희 대한조선학회 2024 대한조선학회지 Vol.61 No.4

[OBS <장충금 대해부> 취재기] 모두가 쉬쉬하는 장기수선충당금 문제 파헤쳐 국토부 개선 발표 이끌어내다

김대희 한국언론진흥재단 2023 신문과 방송 Vol.- No.636

Usefulness of Mitral Annulus Velocity for the Early Detection of Left Ventricular Dysfunction in a Rat Model of Diabetic Cardiomyopathy

김대희,김용진,김형관,장성아,김민석,손대원,오병희,박영배 한국심초음파학회 2010 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.18 No.1

Background: Diabetic cardiomyopathy (DMCMP) is characterized by myocardial dysfunction regardless of coronary artery disease in diabetic patients. The features of LV dysfunction in rat model of type 1 DM induced by streptozocin, are variable and controversial. Thus, we tested the usefulness of tissue Doppler imaging in the early detection of ventricular dysfunction in a rat model of DMCMP. Methods: Diabetes was induced by intra-peritoneal injection of streptozocin (70 mg/kg) in 8 weeks of Sprague-Dawley rat. Diagnosis of diabetes was defined as venous glucose level over 350 mg/dL 48 hrs after streptozocin injection. Echocardiography was done at baseline and 10 weeks after diabetes induction both in diabetes group (n=15) and normal control (n=10). After echocardiography at 10 weeks, invasive hemodynamic measurement using miniaturized conductance catheter was done in both groups. Results: Ten weeks after diabetes induction, heart and lung mass indexes of diabetes were larger than those of normal control (3.2±0.3 vs. 2.4±0.2 mg/g, p<0.001, 5.5±1.1 vs. 3.6±0.6 mg/g, p<0.001, respectively). In echocardiographic data, s’ (2.4±0.4 vs. 3.1±0.5 cm/s, p<0.001), e’ velocity of mitral annulus (2.9±0.6 vs. 3.8±1.1 cm/s, p<0.001), and E/e’ ratio (27.1±5.6 vs. 19.7±2.6, p<0.001) were impaired in diabetes group. In hemodynamic measurement, there were no differences in ejection fraction, peak dP/dt between the diabetic group and normal control. However, load independent indexes of contractility, the slope of the end-systolic pressure volume relation (0.18±0.07 vs. 0.62±0.18 mmHg/μL, p <0.001) and preload recruitable stroke work (51.8±22.0 vs. 90.9±22.5 mmHg, p<0.001) were impaired in diabetic group compared to normal control. Conclusion: In a rat model of diabetic cardiomyopathy, tissue Doppler imaging of mitral annulus can be a good modality for early detection of myocardial dysfunction.

화상 환자에서 신속 순차 시각 제시를 이용한 주의깜빡임에 관한 예비연구

김대희,전보라,서정훈,조용석,임해준,허준,김도헌,전욱,김종현,정명훈,최인근,이병철,Kim, Dae Hee,Jun, Bora,Seo, Cheong Hoon,Cho, Yongsuk,Yim, Haejun,Hur, Jun,Kim, Dohern,Chun, Wook,Kim, Jonghyun,Jung, Myung Hun,Choi, Ihngeun,Lee, Boung Ch 대한생물정신의학회 2010 생물정신의학 Vol.17 No.2

Objectives : Trauma patients have attentional bias which enforces traumatic memories and causes cognitive errors. Understanding of such selective attention may explain many aspects of the posttraumatic stress disorder(PTSD) symptoms. Methods : We used the rapid serial visual presentation(RSVP) method to verify attentional blink in burn patients with PTSD. International affective picture system(IAPS) was used as stimuli and distracters. In the 'neutral test', patients have been presented series of pictures with human face picture as target stimuli. Each picture had 100ms interval. However the distance between target facial pictures was randomized and recognition of second facial picture accuracy was measured. In the 'stress test', the first target was stress picture which arouses patient emotions instead of the facial picture. Neutral and Stress tests were done with seven PTSD patients and 20 controls. In '85ms test' the interval was reduced to 85ms. The accuracy of recognition of second target facial picture was rated in all three tests. Eighty-five ms study was done with eighteen PTSD patients. Results : Attentional blinks were observed in 100-400ms of RSVP. PTSD patients showed increased recognition rate in the 'stress test' compared with the 'neutral test'. When presentation interval was decreased to 85 ms, PTSD patient showed decrease of attentional blink effect when target facial picture interval was 170ms. Conclusion : We found attentional blink effect could be affected by stress stimulus in burn patients. And attentional blink may be affected by stimulus interval and the character of stimulus. There may be some other specific mechanism related with selective attention in attentional blink especially with facial picture processing.

도시설계제도상의 건축규제실태에 관한 고찰 : 강서구를 중심으로 Especially Focused on Urban Guidance at Kangseo-Gu

김대희,이재국,이문보 대한건축학회 1999 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.19 No.1

The purpose of this study is investigated generally urban design, examined and analysed controlled elements of urban design where is the guide line of Kangseo-Gu, and confirmed present conditions to be adapted forms. The contents and scopes of this study are investigated urban guidances at 5 areas in Kangseo-Gu. Firstly, they are confirmed to be related to urban plan as upper law. Secondly, the controlled elements of urban design are confirmed how to be applied design guidance as practice, Thirdly, how to be applied Incentive, method of application, etc far a high degree of efficiency of urban design. We may conclude that firstly. the focus of urban design is on quantity rather than quality. Secondly, the application of architectural regulation is so restricted. Thirdly, the using terms are unclear. Fourthly, the ways of administration are not to introduce dwellings voluntarily to participate in it but to control. Fifthly, the applying of incentives is only to control the public spaces.

ZnO 박막 성장을 위한 Zn 전구체와 Si (001) 표면과의 초기 반응

김대희,이가원,김영철,Kim, Dae-Hee,Lee, Ga-Won,Kim, Yeong-Cheol 한국재료학회 2010 한국재료학회지 Vol.20 No.9

We studied the initial reaction mechanism of Zn precursors, namely, di-methylzinc ($Zn(CH_3)_2$, DMZ) and diethylzinc ($Zn(C_2H_5)_2$, DEZ), for zinc oxide thin-film growth on a Si (001) surface using density functional theory. We calculated the migration and reaction energy barriers for DMZ and DEZ on a fully hydroxylized Si (001) surface. The Zn atom of DMZ or DEZ was adsorbed on an O atom of a hydroxyl (-OH) due to the lone pair electrons of the O atom on the Si (001) surface. The adsorbed DMZ or DEZ migrated to all available surface sites, and rotated on the O atom with low energy barriers in the range of 0.00-0.13 eV. We considered the DMZ or DEZ reaction at all available surface sites. The rotated and migrated DMZs reacted with the nearest -OH to produce a uni-methylzinc ($-ZnCH_3$, UMZ) group and methane ($CH_4$) with energy barriers in the range of 0.53-0.78 eV. In the case of the DEZs, smaller energy barriers in the range of 0.21-0.35 eV were needed for its reaction to produce a uni-ethylzinc ($-ZnC_2H_5$, UEZ) group and ethane ($C_2H_6$). Therefore, DEZ is preferred to DMZ due to its lower energy barrier for the surface reaction.