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김동민,Kim, Dong-Min 한국상하수도협회 1977 水道 Vol.9 No.-
이글은 76년11월13일 열린 본협회 제4차 정기총회에 앞서 기념강연회에서 있었던 서울산업대학 위생공학과장 김동민 교수의 강연내용을 간추린 것이다.
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金東玟,裵恩相,高春明,金永煥 高麗大學校 倂設 保健大學 保健科學硏究所 1973 保健科學論集 Vol.4 No.1
During the months of May to July, 1972, the authors investigated the occurrence and level of pollution in Seoul Han River. It was rather a short and broad investigation carried out in order to obtain a general understanding about the pollution pattern and orient successive, specific investigations which were anticipated. The investigation covered a total 21.5㎞ stretch from northern city-border, or about 52% of the 41.5㎞ section of Han River which fell inside the jurisdiction of Seoul metropolitan administration. In the 21. 5㎞ stretch the investigation was mostly focused on the middle 2.5㎞ flow length, between Chungnangchon outfall to Bokwang Water Treatment Plant Pumping station, or between the distances 14.0㎞ to 16. 5㎞ from the northern city-border. Upper- and down-stream investigations supplemented the major investigation on the middle 2.5 ㎞ section. Chungnangchon and Tanchon were two major streams flowing into the Han River in the whole 21.5㎞ stretch. There were also 12 minor outfalls in this whole stretch, 6,4and2outfallsdischaging respectively into the upper, middle and down streams. During the months of May and June, 1972, the total daily 5-day BOD and suspended solids discharged from the 2 major streams and 12 minor outfalls were respectively 51 and 134 metric tons in average. Chungnangchon alone, however, discharged 75% and 85% of the total daily 5-day BOD and suspended solid loads respectively. The population of Chungnangchon drainge basin within Seoul was 2,402,000 or about 43% of total city population in 1971. The average flow of Chungnangchon was 3.4mVsec during the investigation. During the month of May to July, 1972 the average water quality of Han River, in the section between Chungnangchon and Bokwang pumping station and the vicinity of Noryangjin highway bridge, was as follows: COD 113㎎/ℓ, 5-day BOD 31㎎/ℓ, SS 203㎎/ℓ, PO^(3-)_4 0.3㎎/ℓ, total nitrogen 6.3㎎/ℓ, and ABS 0.17㎎/ℓ. The average water quality in the upper section was a little better, but it also suffered considerable pollution. The average flow of Han River was 424mVsec during this period. No anaerobic zone was observed in the entire stretch, the average D.O. concentrations being 5.6 ㎎/ℓ, in the upper section and 5.6㎎/ℓ in the middle and down sections. Fishes were caught in these sections. The bottom specimens from the middle, heavily polluted sections showed the actvity of flagellates, dliates, rotifers and higher animals, while they showed not much volatile matter. The index of coliform bacteria was hightest below the Chungnangchon outfall, showing 54×10^(6) MPN/100㎖. The dillution factor at the outfall of Chungnangchon was 90. Butt it will be much lower during the winter season when the flow is lowest; the 24-year average flow of Han River in February was 132.6mVsec at Paldang, some miles above Seoul. The average BOD rate constant (K₁) was 0.023 and the ultimate BOD 219㎎/ℓ below Chungnangchon outfall. The average reaeration constant (K₂) was 0.18 in the central section. Thus, the average self-purification contant was 7.8. The rather high value is due to the low BOD rate constant. The average flow velocity was 0.36m/sec in the upper section and 0.397m/sec in the middle section. These velocities kept the suspended solids from settling. The Streeter-Phelps Oxygen Sag Curve was drawn. It showed that the critical point of oxygen deficit would occur after 4.9 days of flow from Chungnangchon outfall. In actual case the flow will be far in the Western Sea of Korean Peninsula in 4.9 days since the flow length is ralatively short in the downstream form Seoul. Also, there will be very little effect on the concentration of dissolved oxygen at Bokwang pumping station because its flow distance from Chungnangchon outfall is so short. The entire section of Han River investigated in this study is presently not suitable as water supply source when evaluated by the stream standards of several, leading developed nations. Also, unless the pollution level in the upper river section is substantially lowered, the Chungnangchon sewage treatment plants under construction or in planning stage will not improve the water quality of Bokwang pumping station up to the level acceptable by those standards. In such a case, the future role of the Chungnangchon sewage treatment plants will be mainly the protection of the ecology in Han River estuary. A further, specific study on the pattern and effects of Han River water pollution is recommended to be conducted in a period including the dry winter season.
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會社整理法上 分割型 整理計劃에 의해 設立된 受惠會社의 整理節次 對象 與否
김동민 한국기업법학회 2005 企業法硏究 Vol.19 No.3
In case a corporation subject to a reorganization, which conducts businesses of a construction and a civil engineering, needs a new company of a solid financial structure in order to receive an order of a construction or in case of an Merger & Acquisition by which a part of business units is to be merged and acquired with regard to a corporation subject to a reorganization which faces delisting because of a worsened state of an impaired capital, the usefulness of a division-type reorganization plan can be maximized. However, significant problems are raised with respect to the usefulness and permissible scope of a division-type reorganization plan in terms of a practice. In this regard, this thesis reviewed that within which scope it would not be in violation of the current law for a corporation subject to a reorganization to perform a division-type reorganization plan and whether or not a validity can be granted to such a reorganization plan in terms of a revival of a corporation subject to a reorganization and a fair and equal settlement of an interest for parties concerned. On the basis of such, liabilities of a corporation subject to a reorganization can be paid off in regular succession in order to strive for a revival of such company in a reorganization. In this context, an authorization of a court is required on a division-type reorganization plan, and the beneficiary company in a division-type reorganization plan should be the subject of the reorganization procedures.
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跳馬競技의 着地 成功率에 關한 分析 : Centering on the malas 男子選手를 中心으로
金東敏 韓國體育大學校 1988 論文集 Vol.11 No.-
The purpose of this study was to analyze the success rate of landing in vaulting performance(Approach, Take-off, Pre-flight, Horse contect, Post-flight Landing). The subjects were 23 gymnasts who were participated in the 10th Asian Games in Seoul, the 24th World Championships in Rotterdam and the 24th Olympic Games in Seoul especially who were in Competition Ⅰ and Competition Ⅲ. The results were as follows. 1) Landing success rate as the games The success rate was 72.9% in Asian Games, in World Championships was 85% which was the highest rate and in Olympic Games was 72.5%. 2) Landing success rate as performances The skills which formed the highest rate were Cuervo piked with 1/1 turn and Handspring with salto forward with 1/2 turn piked, their rate was 90% in Asian Game. One arm handspring and salto sideward with 1/4 turn stretched shill formed 100% in World Championships. And in the Olympic Games Cuervo stretched(layout) skill formed 100%. 3) Landing success rate as an attitudes Tucked style was used 9 times and it's rates was 64.4% Piked style was used 13 times and was 72.3%, stretched style was used 24 times and was 84.2%
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