• Journal of Ecology and Environment
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• 제43권2호
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• pp.98-103
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• 2019

We compared the functional traits of leaf blades and culms of common reed (Phragmites australis) in four habitat types of distinguished environments such as temperature, precipitation, water characteristics, and indices related to biomass production (montane fen, MF; riparian marsh, RM; lagoon, LG; and salt marsh, SM). We also examined the relationships between the functional traits within and among populations. Four populations showed remarkable differences in the functional traits of leaf blades and culms. MF and RM had relatively tall (> 300 cm) and thick (> 8 mm) culms bearing long leaf blades (> 40 cm), whereas LG and SM had relatively shorter and thinner culms bearing shorter leaf blades than MF and RM. Some relationships between the functional traits of leaf blades and culms showed negative or not significant correlations within the population, whereas most of the relationships between the functional traits showed positive correlations particularly when all the data from four populations was included into the correlation analysis.

• 비교문화연구
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• 제25권
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• pp.529-548
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• 2011

Zu Wen-Zao(朱文藻), Li Tiao-Yuan(李調元), Hong Liang-Ji(洪亮吉), Peng Yuan-Rui(彭元瑞), Qian Dong-Huan(錢東垣), Sun Xing-Yan(孫星衍), Ruan Yuan(阮元), Chen Zhan(陳?), Wu Shi-Fen(嗚式芬), Feng Gui-Fen(馮桂芬), He Shao-Ji(何紹基), Fan Zu-Yin(潘祖蔭) made the contributions to the theoretical construction to the science of Chinese characters in their books "Shuwenxizhuankao(說文繫傳考異)", "Liushufenhao(六書分毫)", "Liushuzhuanzhulu(六書轉注錄)", "Xiqinggujian(西淸古鑒)", "Xiaoeryajiaozheng(小爾雅校證)", "Jiujingzhengsuzikao(九經正俗字考)", "Jiguzhaizhongdingyiqikuanshi(積古齋鐘鼎?器款識)", "Shuwenshengxi(說文聲繫)", "Shuwenjiuzizhengyi(說文解字正義)", "Jungulu(?古錄)", "Shuwenjiuzizhukaozheng (說文解字段注考正)", "Shuowenduanzhubozheng(說文段注駁正)", "Haidongjinshilu(海東金石錄)". They analyzed the rules behind character construction, and tried to find out the nature of Chinese characters, the relationship between Chinese characters, the evolutionary laws of Chinese characters, the characteristic of ancient Chinese characters etc.

• 한국습지학회지
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• 제11권1호
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• pp.15-27
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• 2009

람사르 습지로 지정된 오대산 습지 중 소황병산늪의 보존가치를 찾기 위해 생태특성을 조사하였다. 소황병산늪의 퇴적토 깊이는 최대 86cm이었으며 중간부에서 평균 53cm로 나타났다. 물의 pH는 평균 5.8로 산성이 탄습지와 이탄습지의 중간정도를 나타내었다. 전기전도도는 $11{\mu}S$/cm로 우리나라 습지 중 가장 낮게 나타났으며, 양이온, 질산, 암모니아, 인산 분석 결과 수질은 매우 양호하였다. 유출수량은 3일간 누적 강수량과 양의 상관관계를 보였으며 연중 지속적으로 물이 유출되었다. 주변토양은 사양토로 토양 양분은 매우 적었으며, 산성도는 높았다. 유관속 식물은 45과 95속 121종, 2아종, 16변종, 4품종으로 총 121종류로 조사되었으며, 하부의 물이끼를 바탕으로 삿갓사초, 꿩고비, 산사초 군락이 넓게 분포하였다. 조사결과 소황병산늪은 우리나라에서 가장 온전한 이탄습지로 그 보존 가치가 뛰어나며, 수질, 토양 분석 결과 빈영양상태를 나타내고 위협요인 또한 거의 없으므로 이탄습지가 지속적으로 발달할 수 있을 것으로 예상된다.

• 생태와환경
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• 제39권4호통권118호
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• pp.435-444
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• 2006

세 종류의 이탄습지 (bog, fen, swamp)에서 탄수유기물 분해에 관여하는 일군의 체외 효소 활성도. 미량 기체 ($CO_2$와 $N_2O$), DOC 변화 등을 12개월에 걸쳐 측정하였다 ${\beta}-glucosidase$, cellobiohydrolase, ${\beta}-xylosidase$, N-acetylglucosaminidase 등이 각각 $0.008-0.066\;{\mu}mole\;g^{-1}\;min^{-1}$, $0.003-0.021\;{\mu}mole\;g^{-1}\;min^{-1}$, $0.003-0.016\;{\mu}mole\;g^{-1}\;min^{-1}$, $0.004-0.047\;{\mu}mole\;g^{-1}\;min^{-1}$ 범위의 활성도를 보였다. 전반적으로 swamp에서의 활성도가 가장 높았고, fen과 bog의 순서로 나타났다. 세 종류 습지의 자료를 모두 합쳤을 때, 효소의 활성도는 미량 기체의 발생량이나 가용한 탄소의 양과 유의한 양의 상관관계를 보였다. 또한, 4가지 효소 활성도의 평균값은 미량기체와 가용한 탄소량의 변화에 있어서 20-40% 정도의 변이를 설명할 수 있었다. 이 결과로 비추어, 유기탄소 무기화에 관여하는 효소는 북구 이탄습지에서 미량기체 발생과 DOC 동태에 중요한 역할을 하는 것으로 사료된다.

• 한국지하수토양환경학회:학술대회논문집
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• 한국지하수토양환경학회 2002년도 총회 및 춘계학술발표회
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• pp.3-10
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• 2002

• 대한수학회보
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• 제41권2호
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• pp.299-306
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• 2004

In this paper, we shall construct generating function of twisted generalized Euler numbers. By using this function, we shall define twisted generalized Euler polynomials and numbers. We shall give some basic properties of these polynomials and numbers.

• 오리마을
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• 통권86호
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• pp.57-61
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• 2010

이번 연구는 아플라톡신 $B_1(AFB_2)$의 독성이 오리의 생산성, 체내 기관, 간 효소 활성도, 외관상 소화율, 영양소 소화율에 미치는 영향을 알아보기 위한 것이다. 1일령의 육용오리 90마리를 3개의 처리군으로 나눠 10마리씩 펜에서 사육하였다. 그룹1은 일반 사료를 급여하였고, 그룹 2와 3은 각각 아플라톡신 $20{\mu}g/kg$, $40{\mu}g/kg$이 포함된 오염된 쌀을 섞어 6주 동안 급여하였다. 그 결과 아플라톡신에 오염된 사료를 섭취한 그룹의 증체량과 사료 섭취량이 감소하였고, 사료요구률(feed to gain ratio), 간, 신장, 췌장의 무게가 높은 것으로 나타났다. 알라닌 아미노전이효소(ALT, serum alanine aminotransferase)와 혈중 아스파라진산 아미노전이효소(AST, aspartate aminotransferase)의 활성도도 아플라톡신 오염 그룹에서 유의성을 보이며 높았다. 아플라톡신 오염 그룹의 오리들의 십이지장에서 채취한 단백질 분해효소, 키모트립신, 트립신(이자액에서 분비되는 단백질 분해효소), 전분 가수 분해효소 등 소화효소의 활성도가 증가한 반면, 조단백질의 외관상 소화율은 유의성있게 낮은 것으로 나타났다. 이는 아플라톡신에 오염된 사료로가 오리의 생산성과 영양소의 외관상 소화율을 감소시키고 십이지장 내용물의 소화효소활성을 변화시킨다고 볼 수 있다.

• BMB Reports
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• 제33권2호
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• pp.155-161
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• 2000

The saccharomyces cerevisiae Rad27, a structure-specific endonuclease for the okazaski fragment maturation has been known to interact genetically and biochemically with Dna2, an essential enzyme for DNA replication. In an attempt to define the significance of the interaction between the two enzymes, we expressed and purified both Dna2 and Rad27 proteins. In this report, Rad27 could not form a complex with Dna2 in the three different analyses. The analyses included glycerol gradient sedimentation, protein-column chromatography, and coinfection of baculoviruses followed by affinity purification. This is in striking contrast to the previous results that used crude extracts. These results suggest that the interaction between the two proteins is not sufficiently stable or indirect, and thus requires an additional protein(s) in order for Rad27 and Dna2 to form a stable physical complex. This result is consistent with our genetic findings that Schizosaccharomyces pombe Dna2 is capable of interacting with several proteins that include two subunits of polymerase $\delta$, DNA ligase I, as well as Fen-1. In addition, we found that the N-terminal modification of Rad27 abolished its enzymatic activity. Thus, as suspected, we found that on the basis of the structure determination, N-terminal methionine indeed plays an important role in the nucleolytic cleavage reaction.

• 대한한의학방제학회지
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• 제9권1호
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• pp.165-206
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• 2001

After this study, I report the following result from it 1. 'Qiao zhang' is the symptoms that the abdomen is distension and fullness, but face, eye, four limb is not dropsial swelling. It corresponds to the Gu zhang(?脹), Zhang man(脹滿), Jiju(積聚), Dan fu zhang(單腹脹), Zhong man(重滿) of the Oriental Medicine. 2. The cause and overeating and, and malfunction pathology of the 'Qiao zhang' were accumulation of water cause of overeating and, overdrinking, the hurt of feeling, overwork, infection of blood sucker and malfunction of liver, spleen and kidney for jandice and Jiji(積聚) 3. The treatment of the 'Qiao zhang' was reinforcing middle-energizer and replenishing Qi and allevating water retention because middle-energizer were much weak. 4. The prescription of the 'Qiao zhang' that Zhang man fen xiao wan(中滿分消散) were 16 times the most. Zhang man fen xiao tang(中滿分消湯), Guang man kui jian tang(廣茂潰堅湯), ren shen gui pi tang(人蔘芎歸湯), Yu yu liang wan(禹餘糧丸), mun xiang sun qi tang(木香順氣散) were next. 5. The single herb of the prescription of the 'Qiao zhang' that were Auckrandiae Radix(木香), Citri Pericarpium(陳皮) for rephenshing qi drug, Atractylodis Macrocephalae Phieoma(白朮), Ginseng Radix(人蔘), Magnoliae Cortex(厚朴) for regurating qi drug, Pinelliae Rhzoma(半夏) for dischanging phlegm drug.

• 한국환경복원기술학회지
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• 제15권1호
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• pp.53-62
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• 2012

Culm cutting is very effective and convenient method for asexual propagation and even much less destructive than the other ways such as excavation of rhizomes. Despite that culm cutting is such a useful method, only few investigations for raising its efficiency have been carried out. We tried to examine the effect of different geographical populations and cutting sections on the shoot emergence, biomass production and its allocation in terms of cutting efficiency. Culms were sampled from three environmentally distinct wetlands : riparian marsh, salt marsh and montane fen and then they were cut separately into four sections from the bottom to the top part. Both factors of different population and section affected the shoot emergence together. Middle parts on the culm always showed more shoot emergence irrespective of different population. On the other hand, first section from salt marsh and fourth section from the montane fen did not exhibit any shoot emergence. Significant difference in increase of shoot emergence between different sections during investigation period was confirmed only from salt marsh population. Not only different population but also appropriate cutting section should be considered together for better efficiency in cutting of reed culms.