http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
A SURFACE PHOTOMETRY OF NEARBY GALAXIES: M106, M31 AND M33
Ann, H.B.,Yu, K.L. The Korean Astronomical Society 1981 Journal of The Korean Astronomical Society Vol.14 No.1
Photoelectric drift scans of nearby galaxies, M106, M31 and M33 have been made at diurnal rate with the 61cm Cassegrain Reflector at Sobacksan Observing Station. Luminosity profiles of M106 and M31 show the asymmetries between east and west sides of the galaxies and the near side of each galaxy exhibits a larger B-V color than the far side. B-V color distribution in the central part of MI06 shows somewhat unusual feature of a blue center with red surrounding regions, and this is an opposite trend to the ordinary color distribution of most of external galaxies. B-V color of M31 is nearly constant in the central part of the galaxy while U-B color decreases as the distance from the center increases.
Octacosanol 섭취가 지구성 운동능력에 미치는 효과
안의수,안병철,김완수,이한,제세영,박기문,이수원 한국운동영양학회 1999 Physical Activity and Nutrition (Phys Act Nutr) Vol.3 No.2
The effect of octacosanol administration on endurance exercise capacity was invesgated. The subjects of this study were healthy-university students to test the effect of octacosanol. Octacosanol(medication group: n=15, athletic group: n=14, 300㎎/capsule, 4 capsules/day) or soy bean oil as placebo(n=15) was administered for 30 days and parameters related to the endurance exercise capacity were measured through incremental exercise testing to all-out before and after each treatment. Both VO_2max and all out time were significantly increased by administration of octacosanol as compared to placebo group(p<0.05). RQmax was significantly decreased in octacosanol as compared to placebo group(p<0.05). The administration of octacosanol had a trend of decrease as compared to placebo group in rating of perceived exertion(RPE) scale. Although the exact mechanism of effect caused by octacosanol administration is not known, it is possible that octacosanol increases the lipolysis and cardiacrespiratory function. From the results, it is suggested that the administration of octacosanol can be increased the endurance exercise capacity.
김윤환,강정부,안동원 경상대학교 축산진흥연구소 1984 畜産振興硏究所報 Vol.11 No.1
GOT, GPT, LDH activities and LDH isozymes were determined in 15 Korean native growing cattle (7-11 months of age) to obtain the base line of serum enzyme activities. The results obtained were as follows; 1. GOT activity was revealed significantly higher value than that of GPT. Both GOT and GPT activities showed slight decreasing tendency according to the growth, but there was not distinct pattern of change during above period in LDH activity. 2. The ratio of LDH₄, and LDH_6 isozymes from total LDH were decreased during growth period, while as those of LDH₁, LDH₂, and LDH₃ were remained. From these results, a certain relationship may be present between serum enzyme activities and the growth of cattle.
Ann, H.W.,Ahn, J.Y.,Jeon, Y.D.,Jung, I.Y.,Jeong, S.J.,Joung, B.,Lee, M.,Ku, N.S.,Han, S.H.,Kim, J.M.,Choi, J.Y. Decker 2015 INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES Vol.36 No.-
Objectives: The use of cardiac implantable electronic device (CIED; pacemakers, implantable cardioverter-defibrillators [ICD], cardiac re-synchronized therapy [CRT]) implantation, one essential treatment for cardiac arrhythmias, is increasing. Infectious complications related to implants are the main reason for device removal and patient morbidity. We sought to identify the incidence of infectious complications among patients with cardiac device implantation and analyze the risk factors for infectious complications. Methods: A retrospective analysis was conducted of 1307 patients (61.5+/-14.2 years-old, 49.6% male) with cardiac device implantation from January 1990 to April 2013. We analyzed the incidence of infectious complications during the follow-up period. To investigate risk factors associated with infectious complications, we conducted a 1:2 matched case-control study of patients with infectious complications and controls without infectious complications who had the same implantation period and physician. Results: Among 1307 patients, 12 had a confirmed device-related infection: 7 with a pocket infection and 5 with infective endocarditis. Over a total of 9091.9 device-years, the incidence of infectious complications was 1.3/1000 device-years, based on the 12 patients with an infection. ICD (5.1/1000 device-year) had a higher incidence of infectious complications than other cardiac devices, and no infectious complications were observed among patients with CRT implantation. Mean duration from the time of implantation to infection was 2.02+/-1.65 years. In a multivariate analysis, the number of prior procedures including wound revision or scar revision was an independent risk factor for infectious complications (OR=10.88, 95% CI 1.11→999, p=0.040). Conclusions: Infection was a rare complication of cardiac device implantation, but repeated procedures were associated with infectious complications.
THE WARPED DISK OF INTEGRAL-SIGN GALAXY PGC 20348
Ann, H.B. The Korean Astronomical Society 2007 Journal of The Korean Astronomical Society Vol.40 No.1
We examine the morphology and luminosity distribution of a strongly warped spiral galaxy PGC 20348 by conducting a detailed BVI CCD surface photometry using BOAO 1.8m telescope. The radial surface brightness shows a break at warp radius $(r_{\omega})$ with a shallow gradient in the inner disk and a steeper gradient in the outer disk. The luminosity of east side of the disk is ${\sim}0.5$ mag fainter than the west side at r > $r_{\omega}$. The reason for the asymmetric luminosity distribution is thought to be the asymmetric flarings that result in the formation of a large diffuse region at the edge of the east disk and a smaller diffuse region at the west disk. The vertical luminosity profiles show a thick disk component whose scale heights increase with increasing galactocentric distances. The warp of PGC 20348 seems to be made by the tidal interactions with the two massive companion galaxies since the flarings and radial increase of disk scale heights are thought to be general properties of tidally perturbed disks. According to the colors of the two clumps inside the diffuse region at the edge of the east disk, they seem to be sites of active star formation triggered by tidal forces from the companion galaxies.
SPH Simulations of Barred Galaxies: Evolution of Nuclear Rings
ANN H. B. The Korean Astronomical Society 2001 Journal of The Korean Astronomical Society Vol.34 No.4
Numerical simulations based on the smoothed particle hydrodynamics (SPH) is performed to investigate the dynamical properties of barred galaxies that have nuclear rings. The nuclear ring morphology depends on the relative strength of bar potentials. Nuclear rings form between the two ILRs and align perpendicular to the bars unless the bar potentials are strong enough to allow the x1 orbits near the ILRs. Shock dissipation plays a critical role in the formation of nuclear rings.