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이욱(Uk Lee),김만조(Mahn-Jo Kim),김선창(Sun-Chang Kim),이문호(Moon-Ho Lee),장용석(Yong-Seok Jang) 한국원예학회 2005 원예과학기술지 Vol.23 No.1
본 연구는 밤나무 교잡종 과실의 조합별 및 개체별 질적특성을 조사함으로써 신품종 육성의 기초 자료뿐만 아니라 품종검정 기준설정의 기초자료로 활용하는데 그 목적이 있다. 과실모양은 11 조합의 많은 개체에서 타원형(85.30%)을 나타냈으며 K×R 등 5조합에서 삼각형(3.78%), R×K 등 8조합에서 원형(5.46%), R×O 등 3조합에서 장타원형(5.46%)으로 각각 관찰되었다. 과피색은 모든 조합에서 암갈색과 적갈색이 각각 49.16%와 38.24%로 관찰되었으며 과피털은 K×R과 R×K만이 과피 전체에서 각각 1개체씩 관찰되었다. 과피털의 밀도는 대부분의 조합에서 92.86%가 중 이상이었으며 좌면의 크기는 E×O, E×R, K×O에서만 중 이상인 것으로 조사되었다. 과실의 광택은 K×O조합에서만 약인 개체가 출현하였으며 열과형태는 모든 조합에서 3가지 형태중 2가지 이상의 형태가 각각 혼재되어 있었다. 양적형질이 우수한 8개체 중 RO-22, RO-25 등 2개체만이 과실모양과 과피색이 각각 장타원형과 암갈색을 나타내었으며 OK-2 제외한 나머지 5개체는 각각 타원형과 적갈색으로 관찰되었다. 과피털의 위치는 OK-2 제외한 모든 개체는 과정부였으며 과피털의 밀도는 IO-15 제외한 모든 개체에서 밀하게 분포하였다. 좌면의 크기는 JO-7과 RO-25 개체가 가장 작았으며 광택은 K×O의 1개체를 제외한 모든 개체에서 중 이상으로 우수하였다. 열과형태는 JO-7과 JO-12, IO-15, OK-15 개체에서 각각 과정부 열과와 주두부 열과 등 각각 단일 형태를 나타낸 반면, OK-2 등 4개체는 과정부 열과와 측면부 열과가 혼재하고 있음을 알 수 있었다. 내피박피성을 조사한 결과, OK-2, OK- 4, OK-15 등 3개체는 내피박피율이 20% 내외로 불량한 반면 RO-25, JO-12 등 2개체의 내피박 피율이 각각 78.6%, 72.4%로 매우 우수한 것으로 나타났다. This study was aimed to applicate as the basic data for the presentation of International Union for the Protection of New Varieties of Plants (UPOV) guideline and for breeding new cultivars through qualitative characteristics of nut in chestnut hybrids. In nut shape, oval type, 85.30%, could be observed in all combinations, and triangle type, 3.78%, in K×R, K×O, E×R, I×R, J×O, and oblong type, 5.46%, in R×O, I×O, E×O, I×R, respectively. Both dark and reddish brown, 49.16% and 38.24%, in nut color were observed in all combinations, and nut pericarp hairs in only K×R, R×K could be observed in whole part. The density of its hair showed above middle rank (92.86%) in most of combinations, and the size of hilum area showed above middle rank in only E×O, K×O and E×R. Ten combinations except K×O showed a good condition in nut luster, and two or three types of three split type could be observed in all combinations, simultaneously. Superior individuals, RO-22 and RO-25, showed oblong and dark brown, but others except OK-2 showed oval and reddish brown in nut shape and nut color, respectively. In position of nut pericarp hair, only OK-2 showed stigma part, but all of superior individuals except IO-15 showed thickness in its density. Only JO-7 and RO-25 were smaller than others in size of hilum area, and JO-7, OK-4, OK-15, RO-22 and RO-25 had nuts with excellent luster. Most of individuals had nuts with two or three types in type of nut split, and JO-7, JO-12, IO-15 and OK-15 showed only single type. In peeling rate, OK-2, OK-4 and OK-15 showed around 20% while RO-25 and JO-12 showed 78.6% and 72.4% being considered as superior individuals for roasted chestnuts.
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조효정,정장표,박명호,이승훈 慶星大學校 環境問題硏究所 1996 環境硏報 Vol.6 No.1
The air quality has been deteriorated dux to the rapid industrialization and the increase of traffic volume. Especially, the concentrations of air pollutants of Saha-Gu including Shinp'yong-Jangrim industrial complex showed severe air pollution level compared to other districts in Pusan. To establish proper and comprehensive cnntrol strategies for the reduction of air pollutant levels, the information on the emission quantities of air pollutants are necessarily needed. Although there are a few data on the emissions of air pollutants of various sourxes, the data have not been used enough dux to the deficiency of quality and content. Therefore, it is nexessary to establesh the data system of emission inventory for the purpose of being used in air quality management. In this study, the database program of emissions inventory was made using the clipper version 5.2 program. The major functions of datavase program are to estimate the emission quantities and contributions of air pollutants by the grid, the source scale, the source type, and the season in Saha-Gu.
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서승조,조태호,백남권,박강은,김성규,박장서 晋州敎育大學校 科學敎育硏究所 2001 科學敎育硏究 Vol.27 No.-
The purposes of this study are to examine how Science Performance Assesment is being well conducted in elementary schools and to check the teachers' awareness through surveying the actual condition. To achieve this purpose, the author, in this study, distributed questionnaire developed by researcher under supervision of academic advisor to the elementary school teachers in Gyeongnam province. Based on the data. the research results were mainly analyzed by the statistical method using Chi-square test. The survey was consisted of questions which was designed to perceive teachers' awareness about elementary school science performance assessment. The main findings of this study are summarized as follows', 1. Elementary teacher's are doing affirmative estimation about induction of performance assessment. 2. Most teacher are recognizing performance assessment right and teachers' understanding appeared high. 3. Material development of performance assessment is recognizing that people who have opinion which is special must develop. 4. The biggest problem of performance assessment fixing is recognizing that number of persons per class are many and amount of training courses is much also with the tribe during time. 5. It was recognizing positively whether it is in class improvement of performance assessment effect. 6. Teachers had awareness that confirm studies accomplishment degree through performance assessment, or will utilize to improvement material of teaching-learning method.
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강호조,이후장,정태성,김도경,어용준,김재황 한국수의공중보건학회 2003 예방수의학회지 Vol.27 No.3
Feather waste, generated in large quantities as a byproduct of commercial poultry processing, is almost pure keratin, which is not easily degradable by common proteolytic enzymes. Several feather-degrading bacterial isolates were isolated from feather waste and soil. These isolates were able to degrade chicken feather, when grown on basal medium containing 1.0% native feather as a source of energy, carbon, and nitrogen. The isolates were characterized according to morphological characteristics and biochemical tests, and Vitek and API kit system. belonging to the Acinetobacter calcoaceticus complex, Bacillus thuringiensis, Bacillus circulans, Bacillus cereus. It was observed that aerobic growth by the isolate on single whole chicken feather, resulted in complete degradation of the keratin protein after 5-6 days of incubation at 37℃. The production of protein by the organism was decreased with cultivation time, with the maximum activity coinciding with the start of the stationary phase. The kerationolytic activity increased with cultivation time.
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신호상,김경조,장창희,강석철 한국비파괴검사학회 2004 한국비파괴검사학회지 Vol.24 No.2
각국의 법령에서는 원자력발전소에서 발생할 수 있는 사고로부터 국민의 건강과 재산을 보호하기 위해 원자력발전소의 압력경계 주요 용접부 등에 대해서는 주기적으로 열화의 정도를 파악하기 위한 가동중 비파괴검사를 수행하도록 규정하고 있으며, 이를 뒷받침하기 위한 가동중검사 기술기준을 제정하여 이행하고 있다. 최근 리스크를 반영한 가동중검사 프로그램을 개발하여 적용을 시도하고 있지만, 기존의 결정론적 검사대상 선정 프로그램은 아직도 상당한 의미가 있다고 할 수 있다. 본 논문에서는 가동중검사에 관한 선진국 즉, 미국, 프랑스, 캐나다, 일본 등의 기술기준과 IAEA에서 제시하는 안전지침에 비교검토를 통하여 현재 국내 가동중검사 기술기준의 개선방안을 모색하고자 하였다. In each country, the periodic ISI(In-Service Inspection) is required by the law to protect the public health and property from the potential accident of the nuclear facilities. To support the implementation of ISI program, the prescriptive ISI technical standards have been established. As the key parts of the ISI program, the non-destructive examination techniques are widely used to identify the degree of degradation of the pressure boundary components and welds. Recently, the risk informed-ISI program has been developed and implemented in several countries. Nonetheless, the existing ISI program which prescriptively decides the scope of inspection still has its own significance. In this article, the technical standards of ISI in leading countries like US, France, Canada, and Japan are reviewed and compared with the safety guide by IAEA. An outline to revise the domestic technical standards of ISI has been suggested.
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돈분과 톱밥의 혼합비율이 지렁이 생존에 미치는 영향 : Eisenia foetida
황보순,조익환,박창일,손장호 대구대학교 생명과학연구소 2002 생명과학연구 Vol.1 No.2
본 연구는 톱밥의 혼합비율을 달리한 돈분을 대상으로 부숙기간별 이화학적 변화를 측정하고 이를 바탕으로 생존율을 조사하여 가축분의 효율적인 vermicomposting의 기초자료로 이용하고자 실시하였다. 그 결과를 요약하면 다음과 같다. 부숙이 경과함에 따라 지렁이가 생존하기 시작하여 8주부터 A구(돈분 100%)를 포함한 모든 구에서 지렁이의 생존이 가능하였다. C/N비는 부숙이 경과함에 따라 낮아졌으며, 톱밥혼합 비율이 높을수록 C/N비가 유의하게 높아 톱밥첨가 40인 E구가 다른구 보다 유의하게 높았다(P<0.05). 지렁이가 생존하기 시작한 C/N비는 10.8~16.0으로 나타났다. 톱밥 혼합비율을 달리한 돈분의 pH 변화는 부숙이 경과함에 따라 점차 pH 7.5에 가까워지는 경향을 보였으며 지렁이가 생존하기 시작한 pH는 7.5~8.0으로 나타났다. Ec의 변화는 부숙 경과에 따라 거의 없었으며, 처리구간에서는 톱밥첨가가 많을수록 낮아졌으며 지렁이가 생존하기 시작한 Ec는 2.2~4.7mS/㎝으로 나타났다. This study was performed to investigate the effect of different mixture ratio of the sawdust and swine manure and to measure C/N ratio, ph, Ec of the ripening of that and investigate on survival of earthworm with that and to use to efficient vermicomposting of swine manure as basic information. The results are summarized as follows. According as ripening of different mixture ratio of the sawdust and swine manure, earthworm begins to exist and survival of earthworm is possible in all including A(swine manure 100%) since 8 weeks. According as ripening, C/N ratio became low and sawdust mixing ratio is high. C/N ratio is significantly higher in E(sawdust 40%) than A, B, C and D(P< 0.05). C/N ratio that earthworm begins to exist appeared by 10.8∼16.0. pH value change of looked tendency that approach to pH 7.5 gradually according as ripening. pH value that earthworm begins to exist appeared by 7.5∼8.0. Electrolytic conductivity became low sawdust addition ratio is high. Electrolytic conductivity that earthworm begins to exist appeared by 2.2∼4.7mS/㎝.
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