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連續回分式 反應器에서 有機性 廢水의 分解 Phenol이 미치는 影響
朴永圭,姜信寬,李哲熙 嶺南大學校 環境問題硏究所 1985 環境硏究 Vol.5 No.2
The synthetic Wastewater mixed with the sewage and phenol was treated by the sequencing batch reactor process to investigate the effect of phenol toxidity on the biodegradation. According as the phenol concentration of the raw wastewater was increased, the rate coefficient of the substrate removal, ??, by the adsorption during the fill period and the rate coefficient of the substrate biodegradation, ??, during the aeration period were decreased for phenol toxidity, but the activated energy of the substrate biodegradation, the sludge volume index and the suspended soild concentration were increased. It was found that the removal efficiency of COD was obtained more than 90% after the aeration period below 267(mg/l) of the phenol concentration, and that the removal efficiency was remarkably decreased for the toxidity at 333(mg/l) of the phenol concentration.
權泳徹 진주산업대학교 1968 論文集 Vol.2 No.-
晋州地方의 竹筍나방의 合理的인 防除策을 究明하고저 1967年 5月∼8月에 걸쳐 왕대에 對한 竹荀나방의 生態調査와 이에 對한 藥劑試驗을 實施한 結果는 다음과 같다. (1)1967年度 晋州地方의 왕대는 5月 26日부터 發荀이 始作되었으며, 竹荀나방의 被害는 6月2日부터 發見되었으나 6月中旬頃에 가장 심했다. (2)竹荀나방의 加害部位는 地上에서 160㎝ 높이以內였으며, 大部分 竹荀의 側面으로부터 侵入하여 竹荀 生長送中에 被害를 주었다. (3)竹荀나방의 藥劑撒布는 發荀直前에 撒布하는 것이 發荀後에 撒布하는 것보다 效果가 있었으며, 藥劑는 Folidol과 Sumithion이 有效하였다. These experiments, on ecologic investigations of bamboo shoot cutworms and the effects of insecticides for these worms, were carried out to know the reasonable methods controlling these worms. And these experiments were done at the experimental bamboo grove fields of Chinju Agricultural and Forestry Junior Technical College from May to August in 1967. The results obtained in these experiments were summarized as follows. (1)The new bamboo shoots, Wangdae (Phyllostachys reticulata Koch.) began to sprout May 26th in this year. The damage of bamoo shoots by bamboo shoot cutworm (Bamvusiphila vulgaris Butler) came out June 2nd. And the most damageable period was the middle of June. (2)The portion of bamboo shoots which the insects invaded, was height less than 160 cm. The bamboo shoot cutworms generally invaded the lateral parts of bamboo shoots. (3)Folidol and Sumithion was the most recommendable ones of all insecticides supplied for the bamboo shoot cutworms control in this experiment. It was more effective that these insecticides were sprayed just before the bamboo shoots have sprouted than after the bamboo shoots have sprouted.
權泳徹 진주산업대학교 1970 論文集 Vol.6 No.-
智異山 本校演習林을 중심으로 하여 觀賞樹木의 開花期, 花色, 花經, 花序, 香氣, 結實期, 果色 및 用途 等의 特性을 調査한 것으로 1968年 3月부터 1969年 11月까지 現地踏査를 通하여 調査整理된 結果를 要約하면 다음과 같다. 1. 本調査地域內에서 調査된 觀賞樹林의 種類는 57科 169種으로 그 中 능금나무科에 屬한 것이 13種으로 가장 많았다. 2. 開花樹種中 가장 빠른 것이 생강나무(3月上旬)였으며 가장 늦은 것은 차나무(10月中旬)이었다. 3. 開花期間이 가장 긴 樹種은 해당화(5月~7月), 구기자나무(6月~9月), 배롱나무(7月~9月)이였다. 4. 樹木의 月別 開花比 3月: 6.5% 7月: 7.1% 4月: 23.0% 8月: 3.0% 5月: 37.9% 9月: 0.6% 6月: 21.3% 10月: 0.6% 5. 樹木의 月別 結實比 3月: 0.6% 9月: 44.0% 6月: 3.6% 10月: 39.3% 7月: 7.7% 11月: 0.6% 8月: 4.2% 6. 花色別比 黃色系: 45.8% 紅色系: 18.0% 白色系: 29.0% 紫色系: 7.2% 7. 果色別比 黃色系: 14.8% 褐色系: 29.0% 紅色系: 30.0% 黑色系: 18.0% 紫色系: 6.5% 白色系: 1.7% 8. 其他 特性分類比 (a) 꽃 향기가 좋은 樹種: 15.4% (b) 잎,가지,열매 等의 特殊用途가 있는 樹種 (食用, 藥用, 染料 其他): 55.0% (c) 잎의 觀賞價値가 있는 樹種: 4.2% (d) 樹幹의 觀賞價値가 있는 樹種: 3.0% (e) 열매의 觀賞價値가 있는 樹種: 19.0% (f) 生離用 樹種: 6.5% This investigation was conducted at the experimental forest of Chinju Agricultural and Forestry Junior Technical College in Mt. Jiri from March, 1968 to November, 1969 through on the spot Survey. Characteristics such as flowering time, flower color, flower diameter, inflorescence, fragrance, fruiting time, fruit color and utility was surveyed in this experiment. The results obtained were as follows; 1. The most family of all 57 families with 169 species surveyed in this experimental area were Malaceae containing 13 species. 2. Benjoin obtisibolum(Blume) D. Kuntze was bloomed at early part of March most early than any other species and Thea sinensis L. was bloomed at the middle part of October latest than any others. 3. Lycium chinensis Miller(from June to sepember), Rosa rugosa Thunoerg(from May to July), and Lagerstreemia indica L. (from July to September) were estimated the longest flowering species. 4. Blooming percentage by month March: 6.5% July: 7.1% April: 23.0% August: 3.0% May: 37.9% September: 0.6% June: 21.3% October: 0.6% 5. Fruiting percentage by month. May: 0.6% September: 44.0% June: 3.6% October: 39.3% July: 7.7% November: 0.6% August: 4.2% 6. Flower color percentage. Yellow line: 45.8% Red line: 18.0% White line: 29.0% Violet line: 7.2% 7. Fruit color percentage. Yellow line: 14.3% Brown line: 29.0% Red line: 30.0% Black line: 18.0% Violet line: 6.5% White line: 1.7% 8. Other characteristics. (a) Excellent fragrant species: 15.4% (b) Species for special usage: 55.0% (c) Species for leaf ornamental trees: 4.2% (d) Species for stem ornamental trees: 3.0% (e) Species for fruit ornamental trees: 19.0% (f) Species for hedge: 6.5%
朴永圭,李哲熙,李武康 嶺南大學校 環境問題硏究所 1982 環境硏究 Vol.2 No.1
This studies provided the optimization for the design treating activated sludge process for the waste water from the large-scale dyeing industrial complex. Two processes were here used to treat the dyeing waste water, which one is treated with raw waste water directly by the activated sludge process and the other treated by the coagulation follwing with activated sludge process. Design parameters as maximum specific substrate utillization rate(??) and half velocity coefficient (??) were obtained for each process. And also discussed the optimization conitions for the design of the activated sludge process with these parameters.
아세톤-물혼합용매에서 trans-[Co(en)_2Cl_2]^+ 및 trans-[Co(1,3-pn)_2Cl_2]^+ 이온의 가용매 분해 반응에 미치는 압력과 용매조성의 영향
朴裕哲,卞鍾轍,金京美,趙靈濟 慶北大學校 物理化學硏究所 1985 硏究論文集 Vol.6 No.-
The rates of solvolysis of trans-[Co(en)_2Cl_2]^+ and trans-[Co(1,3-pn)_2Cl_2]^+, in which en and 1,3-pn are ethylenediamine and 1,3-propylenediamine resepectively, have been investigated using conductometric and spectrophotometric methods at various pressures up to 2,000 bar in acetone-water mixture. The activation volumes obtained from the pressure effect on rate constants were small and positive values in both complexes of trans-[Co(en)_2Cl_2]^+ and trans-[Co(1,3-pn)_2Cl_2]^+. These results are discussed in terms of dissociative mechanism (S_NI) for the solvolysis of both complexes. The importance of solvent composition on the reaction is further confirmed by application of a free energy cycle. It is concluded from the free energy cycle that the effect of solvation of transition state in the solvolysis of both complexes is more dominant than that of initial state. In addition to that, it is shown that the character of S_NI is further increased with increasing the content of acetone.
Anoxic-oxic 및 Step-feed process에 있어서의 생물학적 질소제거 Modeling
이철희,박영규,이병대 嶺南大學校 環境問題硏究所 1995 環境硏究 Vol.14 No.2
본 연구는 WQM MODEL에 의해서 Anoxic-oxic process와 Step-feed process 각 Unit에서의 TN 유출수를 계산하였고 실 처리장의 측정치와 비교분석하였다. Simulation도중에서 bugs나 logic error는 발생하지 않았다. 또한 모든 simulation결과치는 두번 행한 값이고 이 값들은 매우 유사한 값을 나타내어 본 모델이 좋은 재현상을 보이는 것으로 나타났다. 몇 개의 simulation결과치가 실 처리장의 측정치와 다소 차이가 있었으나 이것은 실 처리장의 유입수질의 부족하였기 때문에 발생한 것이라고 생각된다. 그러나 전반적으로는 실 처리장의 측정치와 좋은 상관관계를 보이고 있어 본 모델이 신뢰성을 보이고 있는 것으로 나타났다. 본 모델을 이용하여 Anoxic-oxic process와 Step-feed process의 실 처리장에서 TN유출수를 ±4.92 mg/ℓ안에서 예측 가능함을 나타냈다. Two activated sludge methods of anoxic-oxic and step-feed process were analyzed numerically for the each unit and final TN effluent by WQM MODEL and the results were compared with several measured data from these WWTPs. No bugs and logic error were occurred during simulation work. All of the simulation results tried to two times were obtained and both results were almost same thus this model has good reappearance. A few of simulation results were deviated with measured data because lack of influent water qualities are reported however simulation results have wholly good relationship with measured data. Also each unit of simulation result was kept good realtionship with that of measured data therefore this WQM MODEL has good reliance. Finally, WQM MODEL predicts final TN effluent within±4.92 mg/ℓ.