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임유진,이상명,김동수,김준범,최광식,이신혜,박정규,이동운,Lim, Eu-Gene,Lee, Sang-Myeong,Kim, Dong-Soo,Kim, Joon-Bum,Lee, Shin-Hye,Choi, Kwang-Sik,Park, Chung-Gyoo,Lee, Dong-Woon 한국응용곤충학회 2012 한국응용곤충학회지 Vol.51 No.1
솔껍질깍지벌레는 우리나라 곰솔림의 주요한 해충의 하나이다. 본 연구는 우리나라에서 솔껍질깍지벌레의 분포를 알아보기 위하여 7개도 3개 광역시, 91개 시군구, 686 읍면동의 해송림에서 2010년 밀도를 조사하였다. 5개도 2개 광역시에서 솔껍질깍지벌레가 서식하고 있었는데 시군구별로는 조사대상의 64.8%인 59개 시군구에서 서식이 확인되었다. 솔껍질깍지벌레의 분포는 남해안 전역과 동해안의 포항, 서해안의 충남 보령지역까지 분포하였다. 충북과 대전광역시 및 제주도에서는 솔껍질깍지벌레의 분포가 확인되지 않았다. 부산지역은 16곳의 모든 구에서 솔껍질깍지벌레가 분포하였고, 시군 단위에서는 전남 해남군의 솔껍질깍지벌레 평균밀도가 1.713마리/0.785 $cm^2$로 가장 높았으며 읍면동 단위에서는 해남군 송지면이 6.36마리/0.785 $cm^2$로 가장 높았다. 곰솔 가지 내의 솔껍질깍지벌레 밀도와 솔껍질깍지벌레가 서식하고 있는 빈도와는 높은 상관관계가 있었다(상관계수=0.89). The black pine bast scale, $Masucoccus$ $thunbergianae$ (Hemiptera: Margarodidae), is a serious pest of the Japanese black pine, $Pinus$ $thunbergii$, in Korea. The distribution of the black pine bast scale was examined, looking overall at 686 towns (eup), townships (myeon) or neighborhoods (dong). There were Japanese black pine ($Pinus$ $thunbergii$) forests in 91 cities, counties (gun) and borough (gu), in seven provinces and three metropolitan cities during 2010. Black pine bast scale were found in 64.8% of cities or counties or borough (59) in 7 provinces and 3 metropolitan cities, and were distributed in all South Costal regions, Pohang in East Costal region and Boryeong in West Costal region. Chungcheongbukdo, Daejeon and Jeju did not have black pine bast scale. All the gu regions in Busan had black pine bast scale, of which the area with the highest prevalence was Haenam in Jeollanamdo (1.713 crawlers/0.785 $cm^2$). Songji-myeon had the highest occurrence rate (6.36 crawlers/0.785 $cm^2$) from the towns, township and dong. The density of black pine bast scale in twigs was highly correlated with percentage of the sample with scale (Correlation coefficacy=0.89).
시간축이동법을 이용한 발전기 보수유지계획의 수립에 관한 연구
이동인,김영훈,이광식,도대호 嶺南大學校 工業技術硏究所 1993 工業技術硏究所論文集 Vol.21 No.2
The proper resource allocation is a very important topic in power system problems, especially in operation and planning. One of such problems is optimal maintenance in operation and planning. The least cost should be the subject to be pursued in this study. A simulation model of a probablistic operation which is called cumulant method, is applied to the problem of optimal maintenance scheduling. A new technique called time axis shift method is developed. This method is similar to dynamic programming successive approximation.
광주지역 황사기간중의 대기 건성침적량의 특성에 관한 연구
류일광,이치영,강영식,노기환,김관천,유경석,강동구 광주보건대학 2002 論文集 Vol.27 No.-
The deposition amounts of Ferric that are naturally originated elements from earth crust. The rate was 14,993㎎/㎡ day at the rang yellow sand season, which was 20 times higher than at the ordinary times. Artifical earth crust element Cr were lower than the amount yellow sand an increase. Naturally originated elements origination, movment channel and mutual be close the correlations of elements each other and were lower than in artificially originated elements. Deposition amount of chang were higher before yellow sand, lower before yellow sand of origination, time were inverse proportion. The average concentration of liquefactive metals high, compare heavy matal and numerous of deposition amount. A1so gain liquefactive matal were rescattering numerous on account of little mass deduction.
이정식,오동열,김광일 大韓神經精神醫學會 1991 신경정신의학 Vol.30 No.3
Opinions about the family burden of psychotic in-patient were collected from 207 caretakers of psychotic in-patient admitted to the Seoul National Mental Hospital from December 1989 to February 1990 through individual informal interview. Each respondent was asked to varbalize initially all the worries concerning the patients. and their care and then to choose two serious worries among them. Form these opinions, the authors tried to identify the family burden of psychotic in-patient and the relevance between family burden and demographic variables. and to discuss the issues arising from this investigation. The results were as follows : 1) The caretaker's worries could be classified into six areas. “The future and outcome” of the patient was the most frequent worrying area. being 64.3%. The worry about “Family was 45.4% ; Care and support”.42.5% : “Mental health support”. 14.5% ; “Shame and stigma”. 12.6% ; “Neighborhood”. 4.8%. 2) The parents worried much more about “The future and outcome” of the patient whereas the spouse and the siblings worried more about “Family” and the offsprings worried about “Neighborhood”. especially. The caretakers who inhabit in the metropolis worried more about “Care and support” and worried especially about “care and responsibility” among the “Care and supports” area while the caretakers in the other areas worried more about “Neighborhood ” and worried especially about “financial burden” among the“Care and support” area. The caretakers of the famale patient worried more about “everyday life of patients” among “The future and outcome area”. The higher the education level of the caretakers. the more they worried about “future of patient” among “The future and outcome” area and “influence on offspring” among the “Family” area. Male caretakers worried more about “drug” while female caretakers worried more about “policy and institution” among the “Mental health supports area”. There were three problems regarding family's burden of psychotic in-patient : Caretaker's loading in all areas : Caretaker's devastated emotion by the long-standing burden ; A lack of helpers.
Reynolds Number 변화에 따른 방전형식의 제어와 Ozone 생성
이동인,이광식,오재열 嶺南大學校 工業技術硏究所 1993 工業技術硏究所論文集 Vol.21 No.1
This paper shows the characteristics of sparkover discharge in flowing air ranging from 0[m/s] to 30[m/s] under the non-uniform fields gap. The quantities of ozone generation are measured for various electrodes forms (needle-needle electrode, needle-rod electrode, rod-rod electrode) on the constant Reynolds Number(Re). Some principal results of this study are as follows. The discharge pattern can be controlled by adjusting the Reynolds number. The quantities of ozone generation at each corona forms are described as follows glow corona(g.c)<brush corona(b.c)<streamer corona(s.c). The quantities of ozone generation rapidly increases to 2[cm] and decreased over 2.5[cm] in case of various electrode gaps 1, 1.5, 2 and 2.5[cm] with constant Re.
盧東均,金廣植 全南大學校 農漁村開發硏究所 1987 農業科學技術硏究 Vol.22 No.-
To inrestigate the biochemical characteristics of continuous cropping soil Planted tomato plant, chemical properties, the types of humus, microorganisms'phases, and enzymes activities are examined and the results are summarized as fellows. 1) The chemical properties of the sample soil did not correspond with the continueuse cropping years. Maybe the sample soil is not suited for vegetables because the chemical properties of the soil were not good. 2) The content of humus did net have regular changes, either, But the content of humic acid was decreased with continuous cropping rearm. Fulvic acid was relatively increased with them. 3) Precipitation ratio (PQ) and FA/TC were increased with continuous cropping years, but HA/TC and the content of total carbon were decreased with them. 4) The number of bacteria, fungi, phytophthora, and prthium was increased with cropping years except actinomycetes and fusarium. 5) B/F ratio was decreased with cropping years, and it seemed that the sample soil was changed gradually into the fungi-type. 6) The activities of β-glucosidase, protease, and polygalacturonase were not shown the regular changes with cropping years.
랫트의 생체내 카드뮴 단독투여 및 카드뮴과 셀레늄 병용투여에 따른 필수원소의 변화
김동현,변정식,조영채,이범식,김광환,김정윤 忠南大學校 環境問題硏究所 1995 環境硏究 Vol.13 No.-
This study was performed to find out the changes of essential elements as Cu, Fe, Zn, and Ca in blood, liver, kidney and testis of rats. The experimental rats were divided into 4 groups that were consisted of control group(groupⅠ), 3.0㎎Cd/kg group(groupⅡ), 3.0㎎Cd +1.0㎎Se/kg group(groupⅢ) and 3.0mgCd+2.5mgSe/kg group(groupⅣ). Each group was intraperitoneal injection with difference dose of cadmium and selenium such as 3.0mgCd/kg, 3.0mgCd+1.0mgSe/kg and 3.0mgCd+2.5mgSe/kg. Rats were killed at the time of 3 day and 28 day, and Cd, Se, Cu, Zn and Ca concentration in several organs were determined by Atomic Absorption Spectrophotometry and inductively Coupled Plasma. Cadmium content in blood, liver, kidney and testis were significantly increased in the Cd alone injection group than Cd mixed with selenium injection groups. But, copper content were not significantly differences in control and each experimental group. Iron content were significantly increased in the Cd alone injection group than others groups. Zinc and calcium content were significantly decreased in the Cd alone injection group than other groups. On the other hand the essential element content in Cd mixed with selenium injection group were almost equaled with those of control group than Cd alone injection group.