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김창원,고주형,최광수,허남효,김병군 釜山大學校生産技術硏究所 1999 生産技術硏究所論文集 Vol.56 No.-
하수처리장 운전 제어 및 자동화는 현재 세계적인 추세이다. 자동 제어를 도입함으로써 운전의 효율성 및 안정성 향상, 일관된 운전, 운전비용 절감 등 많은 이득을 기대할 수 있다. 유럽 등 선진국에서는 이미 7,80년대부터 다방면에서 많은 역구가 수행되었고, 80년대 이후 건설된 대부분의 하수처리장에서 용존산소 농도 제어를 비롯한 기본적인 제어를 실제로 적용하고 있다. 그러나 현재까지 국내에는 하수처리장에 자동 제어가 적용된 경우가 없으며, 현장 적용은 몇몇 폐수처리장에 국한된다. 그러나 자동 제어를 통해 얻을 수 있는 이득이 매우 크다는 것이 명백하고, 현재 각 대학 연구에서 활발하게 연구를 수행하고 있으므로, 가까운 장래에 많은 하·폐수처리장에 자동 제어가 광범위하게 도입될 것으로 기대된다. Operational control and automation of sewage works is a worldwide tendency. By introducing automatic control, many benefits like improvement of efficiency and stability, consistent operation an operational cost saving, can be obtained. Lots of process studies have been performed from 7,80s in developed countries, and basic control (e. g. DO control) is having been appplied to almost every plants constructed after 80s. In Korea, no large sewage work is automatically controlled till now, while some limited application for wastewater treatment plants are exist. But it is very clear that automatic control holds great porfits and lots of vigorous researches are being conducted in many universities and laboratiories, so widespread introduction of automatic control to sewage/wastewater treatment plant in near future is expected.
호흡율 측정기를 이용한 폐수의 외부탄소원 이용가능성 평가
최은희,고주형,임정훈,부경민,김창원 부산대학교 환경문제연구소 2000 環境硏究報 Vol.18 No.-
In this research, we measured Readily Biodegradable COD(Ss) using respiration meter which measured OUR and calculated respiration rate due to calculate organic matter portion of external carbon sources because known organic matter analysis methods i.e. COD, BOD did not measure amount of organic matter which was used in denitrification. Based on the experimental results, leather wastewater had 40.3% Ss in TCOD and food fermentation liquid, alcoholic wastewater and petrochemical wastewater was 38%, 38% and 28.3% respectively. However in case of considering of flowrate and concentration, flood fermentation and alcoholic wastewater was revealed that they were effective external carbon sources
배구심판의 주의집중 유형분석 : 공인심판을 중심으로 Focussing on Certified Referees
고기채,선주형,손흥기,고인태 경희대학교 체육과학연구소 2001 體育學論文集 Vol.29 No.-
The aim of the study was to provide useful basic materials for researches into the ways to enhance volleyball referees' attention. The attention power test(TAIS) was carried out by 85 questionnaire papers, three of them were excluded for unfaithfulness and no reply, returned from the referees who participated in the 2001 Samsung Fire Insurance Super league, the 18th Seoul youth athletic meeting combining a preliminary match of Seoul for the 30th National Youth Sports Meet, and the 4th Songwon cup national man's and woman's volleyball game and the test were examined according to the age of referees(the twenties, the thirties, the forties, and the fifties), the types of the certificates(the international. the A grade, the B grade, and the C grade referees), the positions(the 1st, the 2nd, and the linejudges), and the level of concentration skill(the superior, the middle, and the inferior). The results of the comparative verification are like follows. 1) The result of the study on the attention power according to the types of the referees' certificates shows a significant difference at the level of p〈.05. 2) The result of the study on the attention power according to the referees' positions shows a significant difference at the level of p〈.01. 3) The results of the study on the shape of attention power according to the referees' age shows significant differences at the level of p〈.01 in each of BET, BIT, and OIT. 4) The result of the study on the attention power according to the types of the referees' certificates shows a significant difference at the level of p〈.05. 5) The result of the study on the attention power according to the referees' positions shows a significant difference at the level of p〈.01 in BET. 6) The result of the study on the attention power according to the referees' level of concentration skill, divided into the superior, the middle, and the inferior, shows a significant difference at the level of p〈.001. 7) The results of the study on the attention power according to the referees' level of concentration skill, divided into the superior, the middle, and the inferior, shows significant differences at the level of p〈.01 in each of BET, BIT, and OIT and at the level of p〈.05 in NAR. From the results like above, the attention power patterns to be considered for volleyball referees suggest that a attention power pattern is requested with considerations of a factor needed attention in a very active and speedy game situation and a factor concentrating his attention on one affair.
박정란,강진형,구효정,노지영,류형철,박상욱,고동현,조일환,이주영,황다니엘,김인경 한국약제학회 2003 Journal of Pharmaceutical Investigation Vol.33 No.2
Selective COX (cyclooxygenase)-2 inhibitors including celecoxib have been shown to induce apoptosis and cell cycle changes in various tumor cells. New inhibitors are recently being developed as chemomodulating agents. We evaluated celecoxib and screened 150 synthetic compounds for anti-proliferative activities in vitro. Effects of celecoxib on COX activity, cell growth, cell cycle distribution, and apoptosis induction were determined in A549 COX-2 overexpressing human non-small cell lung cancer (NSCLC) cells. The COX inhibition of celecoxib increased with concentration up to 82% at 1μM after 24 hr exposure. Forty μM and 50μM of celecoxib induce G_1 arrest, and TUNEL-positive apoptotic cells, respectively. Among 150 compounds, several compounds were selected for having greater COX-2 inhibitory activity and higher selectivity than celecoxib with growth inhibitory activity. Celecoxib showed concentration-dependent COX inhibitory activity, and ability to induce cell cycle arrest and apoptosis in human NSCLC cells in vitro. Among synthetic analogues screened, several compounds showed promising in vitro activity as COX-2 inhibitory anticancer agents, which warrant further evaluation in vitro and in vivo.
재발성 상피성 난소암 환자에서 Gemcitabine 단독 항암화학요법을 사용한 4예
박용주 ( Yong Joo Park ),이철민 ( Chul Min Lee ),서형주 ( Hyung Joo Seo ),이혜주 ( Hye Joo Lee ),김정선 ( Jaung Sun Kim ),고지경 ( Ji Kyung Ko ),조용균 ( Yong Kyoon Cho ),최훈 ( Hoon Choi ),김복린 ( Bok Rin Kim ),이홍균 ( Hong Ky 대한산부인과학회 2004 Obstetrics & Gynecology Science Vol.47 No.11