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NO<sub>x</sub> 제거용 저온 플라즈마 반응기에서의 플라즈마 화학 및 입자 성장
김동주,김교선,Kim, Dong-Joo,Kim, Kyo-Seon 강원대학교 산업기술연구소 1999 産業技術硏究 Vol.19 No.-
We analyzed theoretically the removal efficiency and the particle growth inside the pulse corona discharge reactor to remove $NO_x$ and investigated the effects of process variables such as the NO and $NH_3$ input concentrations. Most of NO is converted into $NO_2$ and $HNO_3$ and the $HNO_3$ reacts with $NH_3$ to form the $NH_4NO_3$ particles. About 6.4% of NO is converted into $HNO_2$ which form the $NH_4NO_2$ particles by reaction with $NH_3$. Some of $NO_2$ follows the reaction pathway to form $NO_3$ and $N_2O_5$. The amount of particles formed inside the reactor is basically determined by the input $NH_3$ concentration. The ratio of NO to $NH_3$ affects the reactor length for particle formation significantly. The higher the input concentrations of NO and $NH_3$ are, the faster the particles grow.
김동주,장이찬,최재운,박진우,Dong-Ju Kim,M.D.,Lee-Chan Jang,M.D.,Jae-Woon Choi,M.D. and Jin-Woo Park,M.D. 대한갑상선-내분비외과학회 2012 The Koreran journal of Endocrine Surgery Vol.12 No.3
Clear cell renal cell carcinoma (RCC) is the most common histological subtype of malignant renal tumors. Although RCC frequently metastasizes to many organs, it rarely metastasizes to the thyroid gland without evidence of other organ involvement. We report a case of a metastatic renal cell carcinoma to the thyroid gland, which was misdiagnosed preoperatively as a follicular neoplasm from the fine needle aspiration cytology.
UO<sub>2</sub> 및 (U<sub>1-y</sub>Ce<sub>y</sub>)O<sub>2</sub> 소결체의 열팽창 측정 및 평가
김동주,김용수,이영우,Kim, Dong-Joo,Kim, Yong-Soo,Lee, Young-Woo 한국세라믹학회 2005 한국세라믹학회지 Vol.42 No.5
The linear thermal expansions of $UO_2$ and $(U_{1-y}Ce_y)O_2$ pellet were measured from room temperature to $1400^{\circ}C$ as a function of Ce contents (0, 7.63, 14.84, and $21.68 mol\%$) by using the TMA(Thermo-Mechanical Analysis) method. From the measured data, the linear thermal expansion rate, the coefficient of linear thermal expansion and density variation with temperature were calculated, and the best-fitted temperature-dependent equations were recommended. It was shown that the rate and coefficient of $(U_{1-y}Ce_y)O_2$ thermal expansion increased and the density decreased with increasing Ce contents.