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최봉철,정구회,임봉수 大田大學校 産業技術硏究所 2003 산업기술연구소 論文集 Vol.14 No.1
This study was performed to evauate for the noodles wastewater with high viscosity and low nutrient (Nitrogen, and Phosphorus). To add nutrient to grow activated sludge highly, about. 2 kg/day fertilizer that contains nitrogen was fed to the influent. Both the status of the aeration tank and the treatment performance were observed. Before feeding nutrient, the MLSS concentration in aeration tank was about 1,400 ㎎/L, and Spharotilous, Thiothrix. Prordon etc. were detected, while the BOD, COD and SS removal efficiency were so low as 78%, 77% and 56%, respectively. After feeding nutrient the MLSS concentration in aeration tank was increased to about 2,700 ㎎/L, and Epistylis. Monostyla, Voticella etc. were observed to be prolific. Meanwhile average 98% of BOD, 94% of COD, 71% of SS were removed, the microorganism can be activated to improve the noodles wastewater treatment performance. It is recommend to set up thickener and dewatering facilities to treat wasted activated sludge.
Lim, Jong Gu,O, Sei Won,Lee, Ki Dong,Suk, Dong Keun,Jung, Tae Young,Shim, Tae Sun,Chon, Gyu Rak The Korean Academy of Tuberculosis and Respiratory 2013 Tuberculosis and Respiratory Diseases Vol.74 No.3
Pleural effusion is a rare complication in non-tuberculous mycobacterial infection. We report a case of Mycobacterium intracellulare pleuritis with idiopathic pulmonary fibrosis in a 69-year-old man presenting with dyspnea. Pleural effusion revealed lymphocyte dominant exudate. M. intracellulare was identified using a polymerase chain reaction-restriction fragment length polymorphism method and liquid cultures of pleural effusion and pleural biopsy. After combination therapy for M. intracellulare pulmonary disease, the patient was clinically well at a 1-month follow-up.
Induction of Ovulation by Hormone Treatment in Ussurian Bullhead Leiocassis ussuriensis
Lim Sang Gu,Kim Young Soo,Han Hyung Kyun,Kim Kwang Suk,Kim Dae Jung,Kang Eon Jong,Son Sang Gyu,Kim Eung Oh 한국발생생물학회 2012 발생과 생식 Vol.16 No.4
The effects of ovulation induction in ussurian bullhead, Leiocassis ussuriensis, were investigated by treating ussurian bullhead with hCG, LHRHa, GnRHa, ovaprim, and pimozide. hCG was injected to ussurian bullhead at 0.75% NaCl, 5,000, 10,000, 20,000, and 30,000 IU, respectively. The ovulation inducement rates were 100% in 20,000 and 30,000 IU. Fertilization rates were 82.7% and 79.8%. Hatching rates were 59.4% and 57.2%. Ovulation time was between 16-19 hr The concentrations of LHRHa injected were 0.75 NaCl, 50, 100, 200, 300, and . The ovulation inducement rates were 100% in 300 and . Fertilization and hatching rates were 84.9% and 68.4% at . The times to ovulation were between 23 hr and 34 hr. Ovaprim of 0.75% NaCl, 1.0, 1.5, 2.0, 2.5 and 3.0 ml/kg were injected to the abdominal cavity. The ovulation inducement rate was highest at 2.0 and 3.0 ml/kg to 92% and ovulation time was between 27-38 hr. LHRHa concentrations of 0.75% NaCl, 50, 100, 200, 300 and were injected with pimozide (). Ovulation inducement rate was 100% from 200 to 400 IU with pimozide. Ovulation time was 22-36 h. Fertilization and hatching rates were 88.9% and 70.4% in with pimozide.
Lim, Sang-Gu,Baeck, Jae Min,Kim, Chul Won,Kim, Young Soo The Korean Society of Developmental Biology 2014 발생과 생식 Vol.18 No.3
Rearing experiments were conducted using several regimes combined with different photoperiods and water temperatures to investigate the role of temperature and photoperiod as environmental cues regulating reproduction in red marbled rockfish, Sebastiscus tertius. The initial gonadosomatic index (GSI) was $1.62{\pm}0.32%$ and that in the $15^{\circ}C$ control was $7.01{\pm}0.46%$ at the end of the experiment. The highest GSI was $9.10{\pm}0.35%$ in the 12L:12D photoperiod-treated fish. The highest GSI at $19^{\circ}C$ was $15.03{\pm}0.86%$ in the 12L:12D photoperiod treatment. The initial hepatosomatic index (HSI) was $3.09{\pm}0.72%$ and that in the $15^{\circ}C$ control was $3.88{\pm}0.45%$. The highest HSI was $4.00{\pm}0.56%$ in the 15L:9D treated fish. The highest HSI at $19^{\circ}C$ was $4.05{\pm}0.63%$ in the 12L:12D treated fish.
Lim, Sang-Gu,Baeck, Jae Min,Kim, Chul Won,Kim, Young Soo 한국발생생물학회 2014 발생과 생식 Vol.18 No.3
Rearing experiments were conducted using several regimes combined with different photoperiods and water temperatures to investigate the role of temperature and photoperiod as environmental cues regulating reproduction in red marbled rockfish, Sebastiscus tertius. The initial gonadosomatic index (GSI) was 1.62±0.32% and that in the 15˚C control was 7.01±0.46% at the end of the experiment. The highest GSI was 9.10±0.35% in the 12L:12D photoperiod-treated fish. The highest GSI at 19˚C was 15.03±0.86% in the 12L:12D photoperiod treatment. The initial hepatosomatic index (HSI) was 3.09±0.72% and that in the 15˚C control was 3.88±0.45%. The highest HSI was 4.00±0.56% in the 15L:9D treated fish. The highest HSI at 19˚C was 4.05±0.63% in the 12L:12D treated fish.
Lim, Sang Gu,Han, Hyoung Kyun,Gil, Hyun Woo,Park, In-Seok The Korean Society of Developmental Biology 2012 발생과 생식 Vol.16 No.4
Korean bullhead (Pseudobagrus fulvidraco) was collected from the Kum River areas of Kangkyung-eup, Nonsan city, Chungcheongnam-do, Korea, from April to June, 2012 and was fertilized in order to observe egg development and temperature-related cleavage rates and mitotic intervals (${\tau}_0$). The fertilized eggs were separative, demersal and light yellowish with $1.5{\pm}0.06mm$ in diameter, and did not contain oil globules. The first cleavage stages were 90 min, 80 min, 60 min and 50 min at $21^{\circ}C$, $24^{\circ}C$, $27^{\circ}C$ and $30^{\circ}C$, respectively. At higher temperatures, eggs developed faster and underwent further identical development. For Korean bullhead, ${\tau}_0$ were $33.4{\pm}2.08$ min at $21^{\circ}C$, $31.5{\pm}3.06$ min at $24^{\circ}C$, $28.1{\pm}2.11$ min at $27^{\circ}C$ and $26.4{\pm}3.35$ min at $30^{\circ}C$. There were strong negative correlations between the $\tau_0$ and water temperatures at all points studied (Y=-1.13X+58.15, $R^2$=0.98, n=30, where Y is ${\tau}_0$ and X is temperature). The results obtained in this work will be helpful for chromosome manipulation by use of cleavage frequency data and ${\tau}_0$ data in Korean bullhead.