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金成俊,朴承禹,張秉郁,權純國,鄭夏禹 서울大學校 農科大學 1986 서울대농학연구지 Vol.11 No.1
In this study, a daily water balance model for effective rainfall in paddy fields is descrived, and compares the results with field data. The model was used to simulate seasonal effective rainfall for ideal plots with different irrigation scheduling. The followings are a summary of this study results: 1. Effective rainfall during irrigation season of paddy fields in 1985 ranged from 172.3mm at 4cm ridge to 206.7mm at 6cm ridge. They were 63.1% and 75.7% of total precipitation during that span, respectively. The water balance model simulated that 60.5% and 69.5% precipitation may be considered to be effective rainfall. 2. Daily rainfall appears to be important to the ratios of effective rainfall to the total. 3. Measured and estimated effective rainfall had a high correlation. R=0.9805
협부 화상반흔의 교정에 있어서 Cervicofacial Flap의 이용
유성종,이학수,김석권,김성수 大韓成形外科學會 1988 Archives of Plastic Surgery Vol.15 No.4
The face and its features have been the subject of poet and artistic endeavors throughout the ages. Because a person's face is hghly visible and difficult to camouflage, large burn scar on sheek is obvious to others and may be distressing to the affected individual. Particular skill is required of the surgeon reconstructing large burn scar on cheek, because the cosmetic result will have physical and psychological implocations for patient. Cervicofacial flap has much advantages for reconstruction of large burn scar on cheek as followings; 1. Satisfactory color and controur match. 2. Excellent result in function and appearance. 3. One stage reconstruction as simple procedure. 4. Inset scar lies along nasolabial fold and RSTL. 5. No requirement of delay procedure. 6. Good viability.
水稻의 穗發芽에 關한 硏究 (Ⅰ) 收穫 및 置床時期의 影響
趙東三,金仁培,尹汰,朴成圭,權圭七 충북대학교 농업과학기술연구소 1987 農業科學硏究 Vol.5 No.1
This study was conducted in 1986 to investigate the vivaparous germination in rice. Two varieties, Daeseongbyeo and Chilseongbyeo, were transplanted on May 25 and June 5 and panicles were harvested 5 times with the interval of 5 days beginning 30 days after heading. Panicles were seeded in incubator at 20℃ right after harvest and after drying and storage to observe the germination. Rate of viviparous germination of Daeseongbyeo was higher than that of Chilseongbyeo regardless of the seeding time. Rate of vivaparous germination of May 25 transplanting was higher than that of June 5 transplanting. Germination of Daeseongbyeo was not afftected by seeding time. Viviparous germination rate of Daeseongbyeo appeared to be increased as the harvesting was posponded. On the other hand, Chilseongbyeo did'nt germinate when seeded right after harvesting and rate of vivaparous germination was decreased as the harvesting was postponded. Vivaparous germination was higher in the order of top > middle > bottom part on a panicle, while grains on the primary branches showed higher vivaparous germination than those on the secondary branches.
水稻의 穗發芽性에 關한 硏究 (Ⅱ) 栽培時期 移動에 따른 穗發芽性
趙東三,孫錫龍,金鍾煥,尹太,朴成圭,權圭七 충북대학교 농업과학기술연구소 1988 農業科學硏究 Vol.6 No.1
This study was conducted in 1987 to investigate the viviparous germination in rice. Six varieties, i. e., Daeseongbyeo, Sangpungbyeo Hwaseongbyeo, Taebagbyeo, Chilseongbyeo and Samgangbyeo were used for this experiment. Seedlings were transplanted on May 25 and dune 5 and panicles were harvested 5 times with 5 days interval beginning 25 days after heading. Panicles were incubated at normal temperature right after harvest to observe the germination. Rate of viviparous germination of Japonica type was higher than that of Indica type. The early varieties such as Daeseongbyeo, showed high viviparous germination. Rate of viviparous germination of May 25 transplanting was higher than that of June 5 transplanting. Viviparous germination rate of Japonica type appeared to be increased as the harvesting was postponed. On the other hand, Indica type didn't show viviparous germinate. Based on this study the optimum harvesting time of tested varieties appeared to be between 40 to 45 days after heading.
Kim, Beom Jin,Kim, Hyun-Soo,Song, Hyun Joo,Chung, Il-Kwun,Kim, Gwang Ha,Kim, Byung-Wook,Shim, Ki-Nam,Jeon, Seong Woo,Jung, Yun Jin,Yang, Chang-Hun,Kim, Ji Hyun,Kim, Tae Ho,Kim, Sang Gyun,Shin, Woon Ge The Korean Academy of Medical Sciences 2016 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.31 No.8
<P>Eradication of <I>Helicobacter pylori</I> using first-line therapy is becoming less effective. Subjects who had been treated for <I>H. pylori</I> infection were prospectively enrolled through an on-line database registry from October 2010 to December 2012. Demographic data, detection methods, treatment indication, regimens, durations, compliance, adverse events, and eradication results for <I>H. pylori</I> infection were collected. Data of 3,700 patients from 34 hospitals were analyzed. The overall eradication rate of the first-line therapy was 73.0%. Eradication failure was significantly associated with old age, concomitant medication, and comorbidity. Regional differences in eradication rates were observed. The most common first-line therapy was proton pump inhibitor-based triple therapy (standard triple therapy, STT) for 7 days (86.8%). The eradication rates varied with regimens, being 73% in STT, 81.8% in bismuth-based quadruple therapy, 100% in sequential therapy, and 90.3% in concomitant therapy. The eradication rate in treatment-naïve patients was higher than that in patients previously treated for <I>H. pylori</I> infection (73.8% vs. 58.5%, <I>P</I> < 0.001). The overall eradication rate for second-line therapy was 84.3%. There was no statistical difference in eradication rates among various regimens. <I>H. pylori</I> eradication rate using STT is decreasing in Korea and has become sub-optimal, suggesting the need for alternative regimens to improve the efficacy of first-line therapy for <I>H. pylori</I> infection.</P>
Kim, Donghyeon,Bae, Jong-Seong,Hong, Tae Eun,Hui, Kwun Nam,Kim, Sungyun,Kim, Chang Hae,Park, Jung-Chul American Chemical Society 2016 ACS APPLIED MATERIALS & INTERFACES Vol.8 No.27
<P>In the search for well-defined phosphor materials for white NUV-LEDs, the highly enhanced luminous efficacy by N-3(-) doping as well as color tunability via Ca substitution has been successfully obtained in Ba(2-x)Ca(3)SiO(4-delta)6N(2/3 delta):Eu2+ (x = 0.0, 0.5, 0.8, 1.0) phosphors. With increasing Ca -substitution rate, the crystal structures of the phosphor materials are changed from the primitive orthorhombic structure to the hexagonal one, so that the CIE coordinates move from bluish-green (at Ca = 0.0), to blue (at Ca = 0.5), and finally to near white region (at Ca = 0.8 and 1.0) in these materials. In combination with the results from X-ray photoelectron spectroscopy (XPS) and infrared (IR) spectroscopy, the elemental distribution of the phosphor materials found from secondary-ion mass spectrometry (SIMS) directly indicates that the N3- ions are partially substituted for 02- ions into the crystal lattice of alkaline-earth orthosilicates and thus critically improves the color-tunable photoluminescence (PL) and electroluminescence (EL) efficiency of the phosphor materials for white NUV-LEDs. The newly found 'the N-3(-) doping and color-tunable effect' on large PL and EL enhancement may provide a platform in the discovery of new efficient phosphors for solid state lighting.</P>
김은주,김홍수,이문호,김선주,백승호,김대중,김재한,박상흠,정일권,오흥석 대한소화기학회 1999 대한소화기학회지 Vol.33 No.4
Granulosa cell tumor is a rare ovarian neoplasm. Its indolent growth usually leads to large tumor a the time of diagnosis. It is characterized by variable and long interval to recurrence in pelvic and peritoneal cavities, but solitary retroperitoneal recurrence is very rare. In general, the retroperitonea tumor should be differentiated from neurogic tumor, lymphoma and other various tumors which are originated from pancreas. At laparotomy, a 43-year-old woman was found to have an oval shaped solid and cystic tumor within the retroperitoneum. Eight years ago, she had total hysterectomy with bilateral salpingo-oophorectomy due to right ovarian tumor. Histological examination of the retroperi toneal tumor showed histological features that were compatible with granulosa cell tumor of ovary We report a rare case of solitary retroperitoneal granulosa cell tumor with a review of relevan literatures.