• 제목/요약/키워드: Korean origin

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인동의 생약학적 연구 (Pharmacognostical Studies on the 'InDong')

  • 배지영;이유진;박종희
    • 생약학회지
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    • 제41권2호
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    • pp.94-96
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    • 2010
  • Crude drug 'InDong(忍冬)' has been used mainly to cure common cold, high fever and gonorrhea. With regard to the botanical origin of InDong, it has been considered to be Lonicera species of Caprifoliaceae, but there was no pharmacognostical conformation on it. To clarify the botanical origin of 'InDong', the anatomical characteristics of the branches of Lonicera species growing wild in Korea, Lonicera japonica and L. japonica forma. chinensis were studied. As a result, it was clarified that InDong was the branches of Lonicera japonica.

칼만필터를 이용한 도시고속도로 교통량예측 및 실시간O-D 추정 (Prediction of Volumes and Estimation of Real-time Origin-Destination Parameters on Urban Freeways via The Kalman Filtering Approach)

  • 강정규
    • 대한교통학회지
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    • 제14권3호
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    • pp.7-26
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    • 1996
  • The estimation of real-time Origin-Destination(O-D) parameters, which gives travel demand between combinations of origin and destination points on a urban freeway network, from on-line surveillance traffic data is essential in developing an efficient ATMS strategy. On this need a real-time O-D parameter estimation model is formulated as a parameter adaptive filtering model based on the extended Kalman Filter. A Monte Carlo test have shown that the estimation of time-varying O-D parameter is possible using only traffic counts. Tests with field data produced the interesting finding that off-ramp volume predictions generated using a constant freeway O-D matrix was replaced by real-time estimates generated using the parameter adaptive filter.

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시호(柴胡)의 생약학적(生藥學的) 연구(硏究) -죽시호(竹柴胡)의 기원(起源)에 대하여- (Pharmacognostical Studies on 'Shiho' -On the Botanical Origin of 'Jook Shiho'-)

  • 한대석
    • 생약학회지
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    • 제5권4호
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    • pp.205-210
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    • 1974
  • Four kinds of Bupleuri Radix, namely 'Dang shiho', 'Won shiho', 'Shik shiho' and 'Jook shiho', are currently used in the market of Korea. It is thought that 'Dang shiho' is the root of Bupleurum falcatum and B. scorzoneraefolium. It was also reported that 'Won shiho' and 'Shik shiho' are the root of B. falcatum. Since 'Jook shiho' which is widely used in the market and even exported, has not been clarified as to the origin of the plant and the chemical components, the author obtained some results by this study, the summaries of which are as following: 1. The results of microscopical examination of 'Jook shiho' and 'Kae shiho' were entirely identical and the TLC patterns were coincided as well. It was therefore definitely clarified that the origin of 'Jook shiho' is Bupleurum longe-radiatum. 2. The TLC patterns of 'Won shiho', 'Jook shiho' and 'Kae shiho' which are belonging to the same family and the same genus, appeared identical, and reveal the similarity of the chemical constituents and thereby strongly support the fact that 'Jook shiho' can be used for the same purpose as 'Won shiho'.

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"시호"의 생약학적 연구 (Pharmacognostical Study on the ${\ulcorner}$Si Ho${\lrcorner}$)

  • 정지형;황명석;이용수;박종희
    • 생약학회지
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    • 제31권1호
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    • pp.63-71
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    • 2000
  • 'Si Ho'(柴胡) is one of the chinese crude drugs used mainly to cure inflammation, fever, cough, hepatitis, jaundice, etc. Though the botanical origin of the crude drug has been considered to be Bupleurum species of Umbelliferae, there has been no pharmacognostical study. To clarify the botanical origin of 'Si Ho', the morphological and anatomical characteristics of the roots of Bupleurum species growing in Korea, such as Bupleurum euphorbioides Nakai, Bupleurum falcatum L., Bupleurum leveillei Bois., Bupleurum longiradiatum Turcz. and Bupleurum scorzoneraefolium Wild. were studied. As a result, it is authentified that 'Si Ho' was proved to be the root of Bupleurum falcatum and B. scorzoneraefolium and 'Jug Si Ho' was the root of B. longiradiatum.

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한국산 속단의 생약학적 연구 (Pharmacognostical Studies on the 'SogDan' from Korea)

  • 박종희;배지영;안미정
    • 생약학회지
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    • 제40권4호
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    • pp.286-288
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    • 2009
  • 'SogDan(續斷)' is one of the crude drugs used mainly as a tonic and analgesic. The botanical origin of the crude drug has never been studied pharmacognostically. To clarify the botanical origin of SogDan from Korea, the anatomical characteristics of Phlomis umbrosa Turcz. and Phlomis koraiensis Nakai were studied. As a result, it was clarified that SogDan from Korea was the root of Phlomis umbrosa.

Cosmic magnetic fields in the large-scale structure of the universe

  • Ryu, Dongsu
    • 천문학회보
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    • 제39권2호
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    • pp.37-37
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    • 2014
  • Magnetic fields appear to be ubiquitous in astrophysical environments. The existence of magnetic fields in the large-scale structure of the universe has been established through observations of Faraday rotation and synchrotron emission, as well as through recent gamma-ray observations. Yet, the nature and origin of the magnetic fields remains controversial and largely unknown. In this talk, I briefly summarize recent developments in our understanding of the nature and origin of magnetic fields. I also describe a plausible scenario for the origin of the magnetic fields; seed fields were created in the early universe and subsequently amplified during the formation of the large-scale structure of the universe. I then discuss the prospect of observation of magnetic fields in the large-scale structure of the universe.

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Mn-Zn 페라이트 다결정의 조성에 따른 투자율의 변화 기구 (Origin of the Initial Permeability of Manganese-Zinc Ferrite Polycrytals)

  • 변순천;제해준;고경현;홍국선
    • 한국세라믹학회지
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    • 제34권4호
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    • pp.351-356
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    • 1997
  • The origin of the variation of initial permeability in manganese-zinc ferrite polycrystals with a content of hematite was investigated. Initial permeability showed maximum with hematite content while there was no significant change in microstructure. Saturation magnetization increased with hematite content. So the variation of initial permeability was not explained on the basis of microstructural change or saturation magnetization. Temperature dependence of initial permeability revealed magnetocrystalline anisotropy was the origin of the variation of initial permeability. The change in magnetocrystalline anisotropy was ascribed to the variation in ferrous ion concentration. Therefore the variation of initial permeability in manganese-zinc ferrite polycrystals with a content of hematite was due to ferrous ion concentration via magnetocrystalline anisotropy.

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토복령의 생약학적 연구 (Pharmacognostical Study on the To Bog Ryung)

  • 박종희;김정묘;도원임
    • 생약학회지
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    • 제33권3호통권130호
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    • pp.169-172
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    • 2002
  • Chinese crude drug 'To Bog Ryung' has been to cure chronic aperient, syphilis cough and diabetes. The botanical origin of the crude drug has never been studied pharmacognostically. To clarify the botanical origin of To Bog Ryung, the morphological and anatomical characteristics of the rhizomes of Smilax species growing in Korea, i.e. S. china, S. riparia var. ussuriensis, S. nipponica, S. sieboldii were compared. As a result, it was determined that To Bog Ryung was the rhizome of Smilax china and Smilax sieboldii.

한약 초오의 생약학적 연구 (Pharmacognostical Studies on the ‘Cho O’)

  • 박종희;박성수;어영아행
    • 생약학회지
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    • 제33권3호통권130호
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    • pp.157-168
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    • 2002
  • Aconites distribute widely in northern hemispere of the earth reaching to arctic zone from warm and temperate one. Chinese crude drug 'Cho O'(草烏) has been used as a remedy for apoplexy, dyspepsia, neuralgia, chronic rheumatis etc. Though the botanical origin of the crude drug has been considered to be Aconitum species of Ranunculaceae, there has been no confirmation on it. To clarify the botanical origin of Cho O, the morphological and anatomical characteristics of the roots of Aconitum species growing in Korea, i.e. A. chiisanense, A. ciliare, A. jaluense, A. napiforme, A. proliferum, A. pseudoproliferum and A. triphyllum were studied. As the result, Cho O was proved to be the roots of Aconitum triphyllum, A. jaluense, A. chiisanense and A. napiforme.

누로의 생약학적 연구 (Pharmacognostical Studies on the 'NuRo')

  • 박종희;이유진;배지영;김성룡
    • 생약학회지
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    • 제40권3호
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    • pp.161-164
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    • 2009
  • 'NuRo (漏蘆)' is one of the crude drugs which has been used for removal of fever and skin disease. With regard to the botanical origin of 'NuRo', it has been considered to be Echinops species of Compositae, but there has no pharmacognostical confirmation on it. To clarify the botanical origin of 'NuRo', the anatomical characteristics of the root of Echinops latifolius and E. setifer were studied. As a result, it was clarified that 'NuRo' from Korea was the root of Echinops setifer.