• Title/Summary/Keyword: 낙산

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A Study on the digestion special quality of cultural asset meninges equipment (문화재 수막설비의 소화특성에 관한 연구)

  • Kim, Yoo-Shik;Yoog, Chang-Il;Choi, Hyeon-Tak;Shin, Min-Jong
    • Proceedings of the Korea Institute of Fire Science and Engineering Conference
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    • 2010.10a
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    • pp.103-108
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    • 2010
  • 2000년 이후 세계적인 기상이변과 환경변화는 지구촌 곳곳에 많은 인적 물적 피해를 가져 오고 있으며, 이러한 다양한 화재들은 우리에게도 예외 일 수는 없다. 여러 가지 원인으로 반복된 낙산사화재, 숭례문화재, 항일암 등. 문화재 화재는 우리의 유구한 문화유산의 소실은 물론 많은 국민들에게도 적지 않은 충격을 주고 있으며, 이러한 일들이 더 이상 반복되지 않도록 하기 위해서는 문화재 화재안전 및 방재 시스템에 적합한 보다 체계적인 수막설비의 인프라 구축과 문화재 화재 예방에 효과적인 방재시스템의 적용 및 관리규정 그리고 메뉼의 연구가 있어야 한다.

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Changes of Nutritive Values and Qualities in Various Regions of Sorghum × Sorghum Hybrid Silage by Manufacture Method of Silage (수수 × 수수 교잡종의 사일리지 제조방법에 따른 부위별 사료가치 및 품질 변화)

  • Choi, Ki Choon;Jung, Min-Woong;Park, Hyung Su;Kim, Da Hye;Kim, Jong Geun;Lee, Sang Lak;Kim, Myeong Hwa;Han, Young Jun;Kim, Mang Jung;Kim, Won Ho;Choi, Gi Jun
    • Journal of Animal Environmental Science
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    • v.18 no.3
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    • pp.247-256
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    • 2012
  • This study was carried out to investigate the effects of various regions of sorghum-sorghum hybrid (SSH) silage on nutritive values and qualities of SSH silage. SSH "SS405" was harvested at ripen stage and ensiled. Samples of SSH silage used in this study were collected in three regions (outside, middle and inside). The contents of crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), total digestible nutrients (TDN) and in vitro dry matter digestibility (IVDMD) in SSH silage were not influenced by SSH silage manufacture methods and lactic acid bacteria. The contents of CP in inside region of SSH silage were lower than those of outside and middle regions (p<0.05). However, the contents of NDF, ADF and TDN, and IVDMD were not different between the regions of SSH silage. The content of lactic acid in SSH round bale silage was significantly decreased (p<0.05), as compared to SSH square bale silage (SB), gunny bag silage (GB) and trench silage (TS). The contents of acetic acid and butyric acid in SSH silage were not influenced by SSH silage manufacture methods and lactic acid bacteria. The contents of lactic acid in inside region of SSH silage were lower than those of outside and middle regions (p<0.05). In addition, the contents of lactic acid, acetic acid and butyric acid were not different between the regions of SSH silage. Therefore we suggest that nutritive values and quality of SSH silage were not influenced by regions of sampling collected from these silages.

The Evvalution of Different Factors Influencing the Quality of Silage (Silago 품질에 영향을 미치는 각종요인의 평가)

  • 한정대;윤익석
    • Journal of The Korean Society of Grassland and Forage Science
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    • v.1 no.1
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    • pp.18-28
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    • 1978
  • To study about the effect of harvested stage and physical treatment such as wilting or chopping of plant material on the quality of silage, Italian ryegrass(Lolium multiflorum) harvested at pre-headed or heading stage and Seombadi(Dystaenia takesimana Nakai) harvested at pre-flowering stage, were used for the purpose. The materials were treated in four different ways which were a) non-treated, b) one day-wilted, c) chopped with 1 to 2cm length and d) wilted and chopped, and those were ensiled in plastic containers and stored at room temperature for three months. After three months of storage, it was investigated and obtained the following results. 1) Having 6.31 of NFE/CP ratio and low content of crude fiber, Seombadi contained more suitable constituents for silage than Italian ryegrass. 2) Under the non-treated or chopped condition, the loss of NFE was higher, and lower with wilted material. 3) Wilting or chopping improved DM digestibility. 4) Compared with Italian ryegrass harvested at pre-headed stage, the storage amount per unit volume of heading stage-Italian ryegrass and Seombadi were higher 8% and 69% respectively, and wilting and/or chopping increased the storage amount 41 to 134%. 5) The majority of weight loss during storage was observed at 1st week after ensiling, it continued slightly until 4th week. The highest loss in 8th week were 3.76% of nontreated material. 6) One day wilting increased DM content of silage 23 to 131%. Wilting and chopping increased pH and lactic acid improved the quality considerably. 7) The correlation between $NH_3$ and butyric acid, and between lactic acid and DM were r=0.782**, r=0.634** respectively. The regression equation were y=12.853X+4.908 (X=butyric acid), y=0.016X+1.309(X=DM content), respectively. 8. The above results indicate that it is necessary to wilt or chop material to make good quality silage from Italian ryegrass, and such treatment can improve the quality of silage with Seombadi also.

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Effect of Number of Film Layers and Storage Duration and on the Fermentation Quality of Whole Crop Oat Silage (귀리 사일리지의 비닐겹수 및 저장기간에 따른 발효품질)

  • Song, Tae-Hwa;Park, Jong-Ho;Yoon, Chang;Kang, Chon-Sik;Son, Jae-Han;Yoon, Young-mi;Kim, Yang-Kil;Cheong, Young-Keun;Park, Tae-Il
    • Journal of The Korean Society of Grassland and Forage Science
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    • v.38 no.1
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    • pp.1-6
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    • 2018
  • This study was conducted to investigate the feed value and silage quality according to storage period and film layers in whole crop oat silage. The crude protein content was increased in all silage during the storage periods compared to those before silage, under prolonged storage period slightly and the number of film layers of silage, six layer were higher than four layers, but no significant. NDF and ADF contents were also increased in all silage of storage duration compared to those before silage, but they was similar level between storage duration and number of film layers. TDN content was decreased of the storage duration. However, it was similar under the storage duration and the number of film layers. The pH value was decreased during prolonged storage period and six layers was lower than four layers depending on the film layers. In the organic acid contents, lactic acid and acetic acid were increased under the prolonged storage duration, and butyric acid was higher significantly(p<0.05), six layers of the film were showed higher lactic acid and lower butyric acid(p<0.05). Therefore, oat silage should be used within 6 months it was when treated with 4 layers, if considering the long-term storage, it is desirable to treat it with 6 layers or more.

The Examination of the Validity of a Vertically Upward Shifting of the Landscape Control Point(LCP) for the Management of Cities Mountain Landscape (시가지내 산악경관관리를 위한 조망점의 수직상향 동의 검증)

  • 정정섭;권상준;조태동
    • Korean Journal of Environment and Ecology
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    • v.17 no.4
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    • pp.366-374
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    • 2004
  • The purpose of this study is to develop effective destination management strategies for three typical tourist destinations in Kangwon province based on the importance-performance analysis. The results show that overall performance levels of 21 management attributes in three destinations is relatively low, compared to the importance levels of the attributes. 6 attributes place in Concentrate Here, 4 attributes in Possible Overkill, 6 attributes in Keep Up Good Work, and 5 attributes in Low Priority. There is no significant difference in the importance level among three destinations, while performance levels are the lowest at Naksan & Kyungpo beaches, and highest at Ganhyun area. Findings of the survey expect to be used as fundamentals in management policy making process for each destinations.

Destination Management Strategy Based on the Importance-Performance Analysis -A Case Study in Kangwon-do Province, Korea- (중요도-성취도 분석을 기초로 한 관광지 관리 방안에 관한 연구 -강원도 소재 관광지를 중심으로-)

  • 김정민
    • Korean Journal of Environment and Ecology
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    • v.17 no.3
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    • pp.276-284
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    • 2003
  • The purpose of this study is to develop effective destination management strategies for three typical tourist destinations in Kangwon province based on the importance-performance analysis. The results show that overall performance levels of 21 management attributes in three destinations is relatively low, compared to the importance levels of the attributes. 6 attributes place in Concentrate Here, 4 attributes in Possible Overkill, 6 attributes in Keep Up Good Work, and 5 attributes in Low Priority. There is no significant difference in the importance level among three destinations, while performance levels are the lowest at Naksan & Kyungpo beaches, and highest at Ganhyun area. Findings of the survey expect to be used as fundamentals in management policy making process for each destinations.

Rapid and Efficient Molecular Cloning of Rat Liver Full-length LDH A-cDNA (효율높은 cloning system을 통한 Rat Liver 전장 낙산탈수소효소 A-cDNA의 제조 및 분리동정)

  • 노옥경;배석철;이승기
    • YAKHAK HOEJI
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    • v.31 no.2
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    • pp.116-125
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    • 1987
  • It is still difficult and time consuming to obtain cDNA sequences that contain the entire nucleotide sequence of the corresponding mRNA. A rapid and high efficient cloning method to obtain full-length cDNA segments is thus developed. The cloning procedure described here consists of the construction of oligo(dT)-tailed vector primer using pWR34 plasmid, polyadenylation of mRNA-cDNA heteroduplex using terminal deoxytransferase, and replacement of MRNA strand with DNA by RNase H and DNA polymerase I. The restriction endonuclease analysis shows that the size of inserted-cDNA is in the range of 1.5~4.0 kb long suggesting that most of cloned cDNA are full-length or nearly full-length cDNA. The plasmid-DNA recombinants obtained were 4$\times$$10^5$~$10^{6}$ per $\mu\textrm{g}$ of rat liver poly (A$^+$)mRNA, which is 4 to 10 fold higher cloning efficiency in comparison to the presently used methods for full-length cDNA cloning. The results indicate that the described cloning system is much simpler, less time consuming, and very efficient cloning method to construct a cDNA library.

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Cellular Autolysis of Clostridium butyricum ID-113 (Clostridium butyricum ID의 자가분해)

  • Kwag, Jong-Hui;Lee, Se-Yong;Kim, Tae-Han;Lee, Jung-Chi
    • Microbiology and Biotechnology Letters
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    • v.17 no.1
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    • pp.63-68
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    • 1989
  • The optimum conditions for cellular autolysis in Clostridium butyricum ID-113 have been investigated. Cellular autolysis was optimal at pH 1.0 in 0.05 M potassium phosphate buffer and at 37$^{\circ}C$. The rate of cellular autolysis depended on the age of culture. The most rapid cellular autolysis occurred in the cells of mid-exponentially growing cultures, but cellular autolysis decreased sharply when the cultures entered the stationary phase. A growing culture of Cl. butyricum ID-113 was induced to autolyze and lost its turbidity spontaneously in the hypertonic NaCl, sucrose, or glucose medium. The autolytic enzyme activity was found In the autolysate of cells and the supernatant of the culture.

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Transcriptional Control of Lactate Dehydrogenase A-Gene Expression during the Pre-replicative Phase of Regenerating Rat Liver (백서 재생간조직의 낙산탈수소효소 A-유전자 발현의 전사활성)

  • Kim, Hae-Young;Lee, Seung-Ki
    • YAKHAK HOEJI
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    • v.32 no.4
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    • pp.239-244
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    • 1988
  • Transcriptional rate of lactate dehydrogenase A-gene(LDH-A) during the prereplicative phase of regenerating rat liver was determined by in vitro run-off transcription assay. The results show that the transcription rate of LDH A-gene increases between 12 hours and 15 hours peaking at 13 hours after partial hepatectomy of rat liver. The increased rate of LDH A-gene transcription was interfered after DL-propranolol treatment intraperitoneally injected twice at 1 hour and 8 hours after partial hepatectomy indicating that the transcriptional control of LDH A-gene expression may be mediated by beta adrenergic receptor and cAMP as a second messenger. And also was it shown that the temporally increased rate of LDH A-gene transcription was maximum one hour after the second cAMP-surge which is known to play an important role for the initiation of DNA replication during regeneration of rat liver. And the transcriptional rate of LDH A-gene was decreased to the basal level at the time period when the hepatocytes proliferate rapidly suggesting that the induced LDH Aisozyme may be required for the initiation of DNA replication during regeneration of rat liver. These data may be supporting for the hypothesis suggesting that the induced LDH A-isozyme during the pre-replicative phase of regenerating rat liver may play bifunctional roles as a glycolytic enzyme and a helix destablizing protein as well.

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Walking along Seoul City Wall as Therapeutic Mobilities (치유적 모빌리티로서 서울 한양도성길 걷기)

  • Park, Hyanggi
    • Journal of the Korean Geographical Society
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    • v.51 no.1
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    • pp.109-125
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    • 2016
  • Human life has been inextricably linked with healing. Recently, as the demands of healing are higher, it is more necessary to study spaces, places and mobilities related to healing in geographical studies. This paper draws on a case study of urban peoples walks along Seoul City Wall to explore what healing factors affect the people walking along historical landscapes in urban center and understand geographical implications of the healing process. Based on the concept and analytical lens of 'therapeutic mobilities' introduced by Gatrell, this research analyzes texts written on 181 blogs. The results show the main factors that affect their healing are 'weather climate', 'walk stroll', and 'nightscape'. Futhermore, the blogs' narratives focusing on these main factors imply healing place-making, time as limiting factor, and the social body within nightscape in the healing process.

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