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김선숙,이승열,김차영,이철희 嶺南大學校 環境問題硏究所 1995 環境硏究 Vol.14 No.2
유연탄의 연소시에 발생되는 산업폐기물인 coal ash를 산처리하여 activated coal ash로 개량하여 흡착제로 사용하고 반응성 염료인 Sumifix Red와 산성염료인 Red EB-L을 시료수로 사용하여 흡착실험을 한 결과 pH에 따른 흡착제거율은 시료수 모두 pH 3~9범위에서는 거의 변동이 없었으나, pH 11에서는 급격하게 감소하였고, 반응시간에 따른 흡착제거율은 activated coal ash를 10g 주입했을 경우 0.5시간 경과후에 Sumifix Red는 54.8%, Red EB-L은 88.7%로 나타났으며, 5시간 경과 후엔 변화가 거의 없었고, 온도에 따른 흡착제거율은 Red EB-L에 있어서는 거의 변동이 없었고, Sumifix Red에서는 15℃에서 가장 높았고 온도가 증가함에 따라 제거율은 감소하는 경향을 나타내었다. 또한, Freundlich 흡착등온식을 이용하여 흡착이 평형에 도달했을 때의 평형농도와 흡착량과의 관계에서 1/n과 k값은 반응성 염료인 Sumifix Red가 각각 0.604, 0.016이었고, 산성 연료인 Red EB-L은 0.921, 0.058로 나타났다. 칼럼을 이용한 activated coal ash의 흡착제거율을 살펴본 결과는 회분식에서와 마찬가지로 Red EB-L이 Sumifix Red보다 높았고, Bohart와 Adams의 식을 이용하여 흡착칼럼을 설계 해 본 결과 흡착용량은 Red EB-L이 74.96kg/m³,17.22kg/m³ 이었으며, activated coal ash이 이론적 충진깊이는 Red EB-L과 Sumifix Red 모두 0.1m 정도로 나타났다. This study was conducted to investigate the characteristics of absorption in continuous waste water treatment system containing activated coal ash. Activated coal ash was produced from bituminous coal and treated by direct acid leaching(DAL) in order to get better activity as porosity absorbent. On this experiment performed by batch and continuous methods, acid and reactive type dyes were selected to find out the feasibility of activated coal ash as absorbent. The absorption removal rate of activated coal ash were nearly constant at the pH range of 3 to 9 on Red EB-L and Sumifix Red. But reduced rapidly at pH 11. The adsorption removal rate of absorbent was not changed at the temperature range of 15℃ ~ 45℃ on acid dye Red EB-L. But in case of reactive dye Sumifix Red, absorption removal rate was reduced at 15℃. When the absorption equilibrium was calculated based on the Freundlich isotherm equation, constant k was 0.016, 0.058 and 1/n was 0.604, 0.921 for Sumifix Red, Red EB-L, respectivey. Removal rate of acid dye Red EB-L was higher than that of reactive dye Sumifix Red by activated coal ash at the continuous column system. Batch system illustrated same tendency. The absorption capacities of absorption column, designed by Bohart and Adams equation, were 74.96 kg.m³17.22 kg/m³ for Red EB-L, Sumifix Red, respectively, and theoretical packing depth of activated coal ash was 0.1 m for all.
최연옥,이열선,조금배 조선대학교 전자정보통신연구소 2000 電子情報通信硏究所論文誌 Vol.3 No.1
Direct Torque Control(DTC) of AC motor has the fast torque and flux dynamic responses even though it has very simple scheme to implement However, DTC do not show good performance at low speed range with conventional open loop stator flux observer when stator resistance varied So, authors proposed nonlinear stator flux obsever in order to flux estimation at low speed and show its simulation results
Lee, Sun-Yeul,Lee, Won-Hyung,Lee, Eun-Ha,Han, Kyu-Cheol,Ko, Young-Kwon The Korean Pain Society 2010 The Korean Journal of Pain Vol.23 No.2
Background: The aim of this study was to compare the efficacy of ketorolac, paracetamol, and paracetamol plus morphine on pain relief after thyroidectomy. Methods: Eighty patients were randomly allocated to one of the 4 groups: normal saline (group C), ketorolac 30 mg (group K), paracetamol 1 g (group P), and paracetamol 700 mg plus morphine 3 mg (group PM). Each regimen was administered intravenously (IV) 30 min. before the end of surgery. If pain was not relieved, patients received an IV bolus of pethidine hydrochloride 25 mg. Pain intensity using a visual analogue scale (VAS) was recorded at 0.5, 1, 2, 4, and 6 hr after the end of surgery. Results: VAS at 0.5 and 1 hr after the end of surgery were significantly lower in group K, group P, and group PM than in group C (P < 0.05). The number of patients receiving pethidine hydrochloride at 0.5 and 1 hr after the end of surgery was significantly lower in group K, group P, and group PM than in group C (P < 0.05). There was no significant difference among the groups in the incidences of adverse events associated with study medications and patient satisfaction (P > 0.05). Conclusions: Paracetamol 1 g IV possesses a similar analgesic efficacy to ketorolac 30 mg IV after thyroidectomy. Paracetamol may represent an alternative to ketorolac for pain prevention after mildly to moderately painful surgery in situations where the use of NSAIDs is unsuitable.
Improvement of diabetes and hypertension after gastrectomy: a nationwide cohort study.
Lee, Eun Kyung,Kim, So Young,Lee, You Jin,Kwak, Mi Hyang,Kim, Hak Jin,Choi, Il Ju,Cho, Soo-Jeong,Kim, Young Woo,Lee, Jong Yeul,Kim, Chan Gyoo,Yoon, Hong Man,Eom, Bang Wool,Kong, Sun-Young,Yoo, Min Kyo WJG Press 2015 WORLD JOURNAL OF GASTROENTEROLOGY Vol.21 No.4
<P>To evaluate the effect of gastrectomy on diabetes mellitus (DM) and hypertension (HTN) in non-obese gastric cancer patients.</P>
A review of allergic rhinitis in traditional Chinese medicine
Lee, Sang-Chang,Kim, Min-San,Seong, Man-Jun,Choi, Mi-Sun,Kang, Suk-Hoon,Lee, Sheng-Ho,Kim, Jong-Hak,Lee, Young-Seob,Kwon, Dong-Yeul 대한한약학회 2008 Journal of oriental pharmacy Vol.1 No.2
Allergic rhinitis comes within snuffle in Chinese medicine. For generations, physicians have believed that the internal factors that cause this disease are pulmonary tuberculosis, splenic hypofunction and loss of virility, and its external factors are a cold, an uncommon atmosphere and an uncommon flavor. From the viewpoint of Chinese medicine, this symptom was fundamentally cured by "abidance by individuality, locality and seasons", on the basis of demonstration. In result, visceral function was recovered. In Chinese medicine, a disease is etiologically cured by the principles of Wholism and by discriminating among symptoms. In particular, "method for replenishing Qi and securing Exterior" has been widely used among the foregoing therapeutics. According to modern pharmacology, Astragli Radix, Atractylodis Macrocephalae Rhizoma and Ledebouriellae Radix all have antihistaminic effects and strengthen of the masticating and swallowing function of the recticuloendothelial system. This disease can be cured by controlling immunity and allergic reactions. Besides, it is necessary to take moderate exercise, to strengthen constitution, to avoid causative substances, to control ingesting flesh, meat and shrimps, to eat little, and to avoid what is cold and raw.
Lee, Sung Jun,Rim, Tyler Hyung Taek,Jang, Sun Young,Kim, Chan Yun,Shin, Dong Yeob,Lee, Eun Jig,Lee, Sang Yeul,Yoon, Jin Sook Springer-Verlag 2013 Graefe’s archive for clinical and experimental oph Vol.251 No.1
<P>To evaluate the efficacy of subconjunctival triamcinolone injection for treating upper eyelid retraction caused by thyroid-associated ophthalmopathy (TAO).</P>
Lee, Ju-Suk,Kim, Ye-Jin,Ryu, Ki-Hyun,Han, Tae-Ho,Park, Kuen-Woo,Chung, Kyu-Hwan,Lee, Chan,Lee, Gung-Pyo,Kim, Sun-Hyung,Hong, Jin-Sung,Park, Young-Doo,Woo, Eun-Taeck,Park, Sung-Chul,Son, Dae-Yeul 한국원예학회 2012 Horticulture, Environment, and Biotechnology Vol.53 No.2
Pollen of genetically modified (GM) pepper containing the gene for cucumber mosaic virus (CMV) coat protein (CP) and GM Chinese cabbage with high phenylethylisothiocyanate (PEITC) content was investigated for assessment of allergic risk. Amino acid (AA) sequences of the inserted gene products of GM virus resistant pepper and GM Chinese cabbage with high PEITC content were compared with those of known allergens. No known allergen greater than 35% AA sequence homology, over 80 AA window or more than 8 consecutive identical AA was found. Protein patterns of GM/non-GM pepper and Chinese cabbage pollen extracts in SDS-PAGE analysis showed the same distribution of protein bands among the GM and non-GM pepper or Chinese cabbage, respectively. Sera from pollen allergic patients showed some IgE reactivity via immunoblotting and ELISA; however, no differences were observed between the pollen of GM and non-GM pepper or Chinese cabbage, respectively. Based on these results, we conclude that pollens of the virus resistant GM pepper and GM Chinese cabbage with high PEITC have no differences in their protein composition or allergenicity relative to non-GM pepper and Chinese cabbage.