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벼멸구의 유기인계(有機燐系) 살충제저항성(殺蟲劑抵抗性)에 대(對)하여(II) 생화학적특성(生化學的特性) 비교(比較)
김정화,황태구,Kim, Jeong-Wha,Hwang, Tae-Gu 한국응용곤충학회 1987 한국식물보호학회지 Vol.26 No.3
본(本) 실험(實驗)은 벼멸구에 대한 반수치사약량(半數致死藥量)의 차이(差異)를 나타내는 저항성(抵抗性) 및 감수성계통(感受性系統)과 그들의 교잡종(交雜種) $F_1$에 대(對)한 생화학적(生化學的) 특성(特性)을 구명(究明)하고자 실시(實施)하였다. 살충제무처리(殺蟲劑無處理)의 esterase활성(活性)은 저항성계통(抵抗性系統)과 교잡종(交雜種) $F_1$이 감수성계통(感受性系統)에 비(比)하여 높았으며, diazinon, MEP, BPMC 처리후(處理後) esterase의 활성변화(活性變化)는 저항성계통(抵抗性系統)과 교잡종(交雜種) $F_1$에서는 별차이(別差異)가 없었으나 감수성계통(感受性系統)에서는 현저(顯著)히 떨어졌다. Esterase의 높은 활성(活性)은 저항성발달(抵抗性發達)과 관계(關係)가 있었으며 교잡종(交雜種) $F_1$에서 esterase 활성(活性)이 높게 나타난 것은 저항성계통(抵抗性系統)이 우성인자(優性因子)로 유전(遺傳)됨을 알 수 있었다. This experiment was carried out to evaluate the difference in the biochemical characteristic of the brown planthoppers of the insecticide risistant, susceptible strains and their hybrid progenies. Activity of the esterase isozyme separated by electrophoresis method was remarkably high in the resistant strain as compared with the susceptible strain. Esterase activity between the insecticide-treated strains and the non-insecticide strains was not degraded in the resistant strain and the $F_1$, but remarkably degraded in the susceptible strain. The increase of esterase activity was associated with the development of resistance, and that was inherited with a dominant gene.
李武康,黃泰九 경성대학교 1989 論文集 Vol.10 No.1
The batch and cotinuous study were performed to determine the optimum condition for the ozonization of alachlor. In the batch study, alachlor removal per unit ozone application rate was found to be 1.44 when the initial concentration of alachlor was 5 folds or greater than the ozone concentration. Alachlor removal was inhibited with the addition of NH??Cl and methanol. The removal, however, increased with pH and temperature. A continuous ozone oxidation study was also performed with alachlor wastewater. The COD removal efficiency was 21.4% at 10 minutes of reaction time, but alachlor removal was 3.8% only.
벼멸구의 有機燐系 殺蟲劑 低抗性에 對하여 (Ⅰ) 生物學的 特性 比較
金正和,黃泰龜,李炯來 충북대학교 농업과학기술연구소 1987 農業科學硏究 Vol.5 No.1
This paper was carried out to evaluate the difference in the biological characteristics of the brown planthoppers of the insecticide resistant, susceptible strains and their hybrid progenies. The nymphal period was shortened in the susceptible strain as compared with the resistant strain and the F1. The adult emergence was lower in the resistant strain than in the susceptible strain and the F1, but the F1 was not significantly different as compared with the susceptible strain. The sex ratio was not significantly different between the susceptible and resistant strains, but low in the F1. The average body weight of the female and male adults was higher in the resistant strain than that of the susceptible strain and the F1. The preovipositional period was long in the resistant strain as compared with the susceptible strain, but the F1(S X R) was shortened and the F1(R X S) was not significantly different as compared with the susceptible strain. The average number of eggs laid by a female was not significantly different at the 1% level among the susceptible, resistant strains and the F1(S X R), but remarkably decreased in the F1(R X S). The average longevity of the adult was significantly shortened in the Fl than that of the susceptible and resistant strains, but not significantly different between the susceptible and resistant strains. The feeding activity of the female adult BPH infested for 24 hours was remarkably high in the resistant strain as compared with the susceptible strain and the F1, but the feeding activity of the male adult was variable.
Dye Wastewater Treatment by Rotating Biological Contactor-H₂O₂ Oxidation Process
Park, Yung-Kyu,Lee, Chul-Hee,Hwang, Tae-Gu,Hahn, Myung-Ho 嶺南大學校 環境問題硏究所 1988 環境硏究 Vol.8 No.1
本 硏究는 回轉圓板-過酸化水素 酸化의 연속 工程에 의해 染色廢水 處理할 때 그 處理特性과 polyvinyl alcohol의 영향을 조사하기 위해 수행하였다. 回轉圓板 生物膜 工程에 있어서 微生物 合成係數, Y와 最大基質 利用速度, ??는 染色廢水내에 함유된 polyvinyl alcohol의 농도가 증가함에 따라 減少하는 반면 內生呼吸系數, ??와 Michaelis-Mentent常數, ??는 증가하였다. 回轉圓板 生物膜 工程의 流出水를 過酸化水素 酸化時 COD에 대한 過酸化水素의 最適比는 2이며, 過酸化水素에 대한 철촉매의 最適比는 1 이였다. Polyvinyl alcogol이 100mg/l 함유된 染色廢水를 回轉圓板 生物膜 工程 단독으로 處理할 경우 COD 除去效率은 약 75%였으나, 回轉圓板-過酸化水素 酸化工程으로 연속 處理하여 90% 이상의 COD 除去效率을 얻었다.