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SONOS 구조의 EAROM Cell제조 및 그 전기적 특성에 관한 연구
정곤,정호선,강진영,김보우,Jong, Gon,Chung, Ho-Sun,Kang, Jin-Young,Kim, Bo-Woo 대한전자공학회 1985 전자공학회지 Vol.22 No.6
An electrically alterable read only memory with polysilicon gate is experimently realized employing a SONOS structure. The SONOS memory cells are proposed to achieve lower programming voltage with thin nitride (70A, 170$\AA$) layer. Its programming voltage is 10V (Tnit=70$\AA$), 22V(Tnit=170$\AA$). And the SONOS cell is able to, erasc biasing negative gate pulse, then its voltage is about -24V for nitride thickness of 170$\AA$.
오 세관,이 정희,원 용재,이 동현,김 정곤 한국작물학회 2014 Korean journal of crop science Vol.59 No.3
The objective of this study was to evaluate quality properties including amylose, alkali digestion value (ADV), texture and GABA (Gamma Amino-Butyric Acid) of brown rice and 1~5 mm germinated brown rice of Keunnun and Samkwang culitvars. The protein content of germinated brown rice showed increasing tendency according to shoot length, however, the difference was not statistically significant. The amylose content of all samples ranged from 15.0% to 16.0% in Keunnun and 17.0% to 18.0% in Samkwang, without significant differences. Compared to regular brown rice, germinated brown rice from both cultivars demonstrated reduced gel consistency, which contributed to the improved cooked rice texture. Especially, germinated brown rice had significantly lower setback values, which is correlated with high palatability of cooked rice. However, there was no significant difference in gel consistency between 1 mm and 2~5 mm germinated brown rice. GABA content in Keunnun increased by 3~5 times after germination process. In Samkwang, GABA content increased by 50 times (from 0.005 μg/g to 0.243~0.247 μg/g) after germination. The hardness of germinated brown rice was significantly lower than that of brown rice. However, there was no significant difference in hardness according to shoot length. Consequently, when processing germinate brown rice, it is recommended to maximize functional ingredients by germination while maintaining shoot length less than 2 mm.
강 찬호,유 영진,최 규환,김 효진,신 용규,이 공준,고 도영,송 영주,김 정곤 한국작물학회 2014 Korean journal of crop science Vol.59 No.3
Kenaf (Hibiscus cannabinus L.) was recognized as a potential source of forage. But the domestic cultivation techniques are not set standards yet. So we tested the basic culture techniques during 2012~2013 for getting a high yield and good grade forage production system. The best seeding method for mechanized planting (corn planter used) was hill seeding with 20×20 cm seeding distance. When we treated hill seeding with 20×20 cm, the yield what we could get was 13,641 kg/10a and it was 32% more than that of conventional practice hill seeding with 20×30 cm seeding distance. The proper seeding date for getting high yield was May 1. In May 1, the yield per 10a was reached 13,423 kg, and it was 30% more than that of seeding at May 30. More over the crude protein content which was important factor for determinating forage nutritive value was 12.7% and it was higher 1.8% (relatively 16.5% high) than that of May 30 seeding. The most effective herbicide for kenaf was Fluazipof-p-butyl. It’s herbicidal rate was 97% and phyto-toxicity was less than 5%. Regional adaptability for Jeollabuk-Do including Imsil Gun, Kochang Gun and Sunchang Gun were identified that the stable cultivation were possible in these area with average yield 12,400 kg/10a and it was about 1.7 times as compared to corn harvest.