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하기용,고재권,김영두,김기영,남정권,고종철,김보경,백만기,노광일,노광일,김정곤 한국육종학회 2008 한국육종학회지 Vol.40 No.3
“Dami”is a new japonica rice variety developed and registered by the rice breeding team of Honam Agricultural Research Institute, NICS, RDA in 2006. This variety was derived from a cross between Iksan438 with lodging tolerance and high yield potential, and Iksan426 This variety has about 122 days of growth duration from transplanting to harvesting in Honam and Youngnam plain of Korea. It is about 83 cm in culm length and tolerance to lodging. In reaction to biotic stresses, it shows moderately resistance to blast, and resistance to bacterial blight pathogen races from K1 to K3, but susceptible to other major diseases and insect pests. The milled rice of “ami”has high Quality, midium short grain. The milled rice yield of this variety is about 5.92 MT/ha in local adaptability test for three years. “ami”would be adaptable to Middle plain, Honam plain and Youngnam plain area of Korea.
초청정 클린룸 공조방식에 따른 기류특성에 관한 수치해석
노광철,이승철,오명도 대한설비공학회 2003 설비공학 논문집 Vol.15 No.9
We performed the numerical analysis on the airflow characteristics in the two type of cleanroom systems, which are the axial fan type (AFT) and the fan filter unit (FFU). A computational fluid dynamic model was applied to investigate and compare the nonuniformity, the deflection angle and the air ventilation effectiveness of the two designs of cleanrooms when dampers are adjusted and not adjusted. And the flow-resistance models of the various components were used in this simulation. We know that the airflow characteristics of the cleanrooms are largely affected by damper adjusting And we also find out that the FFU system is superior to the AFT system through the comparison of the cleanroom performance indices.
Li/SO<sub>2</sub>Cl<sub>2</sub> 전지용 전해액의 평가 방법 연구
노광철,조민영,이재원,박선민,고영옥,이정도,정광일,신동현,Roh, Kwang Chul,Cho, Min-Young,Lee, Jae-Won,Park, Sun-Min,Ko, Young-Ok,Lee, Jeong-Do,Chung, Kwang-il,Shin, Dong-Hyun 한국공업화학회 2011 공업화학 Vol.22 No.1
$Li/SO_2Cl_2$ 전지의 양극활물질은 $SO_2Cl_2$인데 이 물질은 전해액의 용매이기도 하다. 이를 일컬어 catholyte (cathode와 electrolyte의 합성어)라 칭하는데 전지의 방전이 진행됨에 따라 소진된다. 따라서 전지 제작 시 투입되는 $SO_2Cl_2$의 특성은 전지의 용량을 결정하는 중요 변수이다. 또한, $Li/SO_2Cl_2$ 전지의 transition minimum voltage (TMV)와 전압지연 편차는 전해액과 리튬의 반응에 의하여 형성된 부동화 막과 관련되는데 이 부동화 막은 전해액 내 불순물(수분 또는 중금속 이온)이 있을 경우 이의 성장이 촉진된다. 따라서 전해액을 정제시키는 기술과 이를 평가하는 방법의 정립은 반드시 필요하다. 본 연구에서는 $LiAlCl_4/SO_2Cl_2$전해액을 $AlCl_3$와 LiCl을 이용하여 제조하였고 제조된 전해액을 이온전도도계와 색도계 및 FT-IR을 이용하여 농도와 수분, 금속함량 등을 평가하였다. The cathodic active material of $Li/SO_2Cl_2$ battery is $SO_2Cl_2$, which is the solvent of an electrolyte. It is referred to as a catholyte, a compound word of cathode and electrolyte. As the battery discharges, the catholyte burns out. And thus, the characteristics of the $SO_2Cl_2$ in the battery determine the capacity. In addition, the transition minimum voltage (TMV) and the voltage delay deviation of $Li/SO_2Cl_2$ battery are due to the passivation film formed by the reaction between an electrolyte and Li. Impurities in the electrolyte, such as moisture or heavy metal ions, will accelerate the growth of the passivation film. Therefore, a technology must be established to purify an electrolyte and to ensure the effectiveness of the purification method. In this research, $LiAlCl_4/SO_2Cl_2$ was manufactured using $AlCl_3$ and LiCl. Its concentration, the amount of moisture, and the metal amount were evaluated using an ionic conductivity meter, a colorimeter, and FT-IR.