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Systematic Botanical Survey of Traditional Herbal Medicines Listed in the Official Drug Compendia(Pharmacopoeia and Natural Drug Standards) of Korea, China and Japan (한(韓) 중(中) 일(日)의 공정서(公定書)(약전(藥典) 및 규격집(規格集))에 수재(收載)된 전통천연약물(傳統天然藥物)의 품질(品質)에 관한 조사(調査) (I) -기원(起源)에 관한 분류학적(分類學的) 검토(檢討)-)

  • Park, Sang-Hi;Youm, Jeong-Rok;Chang, Il-Moo
    • Korean Journal of Pharmacognosy
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    • v.22 no.2
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    • pp.112-123
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    • 1991
  • Traditional drugs(herbal and animal drugs) of Korea, China and Japan have developed essentially from the same origin, since the traditional medicine of three countries has been originated from ancient China. Due to different geographical locations and discrepancy of plant resources of the traditional drugs, some divergency in terms of systematic botany in traditional drug materials has appeared in the three countries. Present report aims to survey traditional herbal drugs that have been called same traditional names in three countries, but they are actually different with respect to systematic botanical view-point. The official drug compendia(pharmacopoeia and natural drug standards) of three countries were subject to examination. Survey was conducted by the following categories. Traditional drugs were listed under same name, however, 1) they belong to different genus; 7 traditional herbal drugs were listed. 2) they belong to same genus, but different species; 24 traditional herbal drugs were found. 3) a variety of related species are used; 15 traditional drugs were listed. 4) actually same plant, but taxonomical name is differently called and/or different parts of plant are used; 10 traditional drugs were counted. 5) animal drugs belong to one of the above categories; 7 traditional animal drugs were found. Total 63 traditional drugs(herbal and animal) were found to comprise different taxonomical names when the official drug compendia of Korea, China and Japan were examined.

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High Genetic Variability of Schistosoma haematobium in Mali and Nigeria

  • Ezeh, Charles;Yin, Mingbo;Li, Hongyan;Zhang, Ting;Xu, Bin;Sacko, Moussa;Feng, Zheng;Hu, Wei
    • Parasites, Hosts and Diseases
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    • v.53 no.1
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    • pp.129-134
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    • 2015
  • Schistosoma haematobium is one of the most prevalent parasitic flatworms, infecting over 112 million people in Africa. However, little is known about the genetic diversity of natural S. haematobium populations from the human host because of the inaccessible location of adult worms in the host. We used 4 microsatellite loci to genotype individually pooled S. haematobium eggs directly from each patient sampled at 4 endemic locations in Africa. We found that the average allele number of individuals from Mali was significantly higher than that from Nigeria. In addition, no significant difference in allelic composition was detected among the populations within Nigeria; however, the allelic composition was significantly different between Mali and Nigeria populations. This study demonstrated a high level of genetic variability of S. haematobium in the populations from Mali and Nigeria, the 2 major African endemic countries, suggesting that geographical population differentiation may occur in the regions.

An Empirical Study on Managing Knowledge Transfer in Global Software Development (글로벌 소프트웨어 개발에서의 지식이전에 대한 실증적 연구)

  • Kim, Gyeung-Min;Kim, Saem-Yi;Mohamudaly, Nawaz
    • Information Systems Review
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    • v.11 no.1
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    • pp.69-83
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    • 2009
  • In a global software development project, knowledge transfer between a corporate headquarter and offshore development sites is considered to be important for effective software development. This article presents empirical research that investigates factors influencing knowledge transfer in global software development. The factors evaluated in this study are: 1) quality of communication infrastructure, 2) quality of partnership and 3) types of governance mechanism. Questionnaires were collected from offshore development sites in Mauritius. While the quality of both the partnership and communication infrastructure were found to be determinants to knowledge transfer, hierarchical governance had a negative impact on knowledge transfer. Although the results are similar to the previous studies done within an organizational boundary, implications of the results are far different due to the geographical distance among offshore locations. Future research is called for to investigate the relationships between governance type and knowledge transfer.

The Analysis of Characteristics of Swell in Korea using the Ubiquitous Measurement System (유비쿼터스 관측시스템을 이용한 국내 너울의 특성규명에 관한 연구)

  • Jang, Bok-Jin;Yeo, Woon-Kwang;Lee, Jong-Kook;Park, Kwang-Soon
    • Journal of Korea Water Resources Association
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    • v.41 no.8
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    • pp.785-795
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    • 2008
  • The swell is a major cause of interruption for the activity in a port and the ship navigation in coastal waters, coastal geographical changes, and the disaster with a loss of lives. However, many researches about the observation and the prediction of swells have not been conducted actively due to the difficulties to collect and synthesize the massive amount of long term field data for waves and meteorological information. In this study, the internet-based realtime monitoring system(Fieldbox) was developed to collect the wave data. The characteristics and main components of swells occurred in Korea were analyzed using wave data observed through the Fieldbox and the meteorological data collected by the KMA(Korea Meteorological Administration) and NASA(National Aeronautics and Space Administration). The characteristics of the swell generation patterns were analyzed using the monthly data of the Kwangan Tower between 2004 and 2006 to estimate the specific features such as sources and locations of swells generated in Korea.

Cyclic variations of gonad development of an air-breathing fish, Channa striata in the lentic and lotic environments

  • Al Mahmud, Nasim;Rahman, Hassan Md. Hafizur;Mostakim, Golam Mohammod;Khan, Mohd. Golam Quader;Shahjahan, Md.;Lucky, Nahid Sultana;Islam, M. Sadiqul
    • Fisheries and Aquatic Sciences
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    • v.19 no.1
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    • pp.5.1-5.7
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    • 2016
  • The study was conducted to know the cyclic changes in gonadal maturation and to investigate the developmental stages of oocytes and testicular germ cells of an air-breathing fish, Channa striata. Fish were sampled monthly from lentic and lotic environments of three geographical locations of Bangladesh from December to November and the histological analysis of their gonad was done to evaluate the objectives. The highest mean GSI was $5.95{\pm}0.20$ for female in July and $0.14{\pm}0.01$ for male also in July showing that the gonadal development reached its peak during this month. The highest mean oocyte diameter was $1257.50{\pm}24.17{\mu}m$ observed in July implying that the oocyte reached maturity in this month. Histological study of ovary revealed the evidence of early yolk granule stage and late yolk granule stage from April to July. In case of male four stages of spermatogenesis were distinguished and spermatozoa were highly abundant in June and July. So the monthly pooled values of GSI and the analysis of gonadal histology indicated that the peak breeding season of C. striata occurred in July in the lentic and lotic environments. Samples collected from lentic and lotic habitats are suggestive of no difference in the development of the gonad. The results of the present study will be useful for selective breeding programme, conservation and sustainable fishery management of C. striata in its natural habitat.

Genetic Characterization of Indigenous Goats of Sub-saharan Africa Using Microsatellite DNA Markers

  • Chenyambuga, S.W.;Hanotte, O.;Hirbo, J.;Watts, P.C.;Kemp, S.J.;Kifaro, G.C.;Gwakisa, P.S.;Petersen, P.H.;Rege, J.E.O.
    • Asian-Australasian Journal of Animal Sciences
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    • v.17 no.4
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    • pp.445-452
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    • 2004
  • Genetic diversity of sub-Saharan African goats was assessed using 19 microsatellite markers. Breeds were sampled from eastern Africa (Maasai, Kigezi, Mubende, North West Highland, Arsi-Bale), southern Africa (Ndebele, Pafuri) and West Africa (West African Dwarf, Maure, Djallonke). European breeds (Grisons Striped, Toggenburg), Asian breeds (Mongolian Cashmere, Bandipur) and a Middle East breed (Arab) were also included. The mean number of alleles per locus and average gene diversity ranged from 5.26$\pm$0.464 (Djallonke) to 7.05$\pm$0.516 (Mubende) and from 0.542$\pm$0.036 (Pafuri) to 0.672$\pm$0.031 (Ndebele), respectively. The between breeds variation evaluated using $$G_{ST}$$ and $\theta$ were found to account for 14.6% ($\theta$) and 15.7% ($$G_{ST}$$) of the total genetic variation. The $D_{A}$ measure of genetic distance between pairs of breeds indicated that the largest genetic distance was between Pafuri and Djallonke while the lowest genetic distance was between Arsi-Bale and North West Highland. A neighbour-joining tree of breed relationships revealed that the breeds were grouped according to their geographic origins. Principal component analysis supported the grouping of the breeds according to their geographic origins. It was concluded that the relationships of sub-Saharan African goat breeds were according to their geographical locations implying that the goats of eastern Africa, West Africa and southern Africa are genetically distinct. Within each sub-region, goat populations could be differentiated according to morphological characteristics.

KEPCO-China Huaneng Post-combustion CO2 Capture Pilot Test and Cost Evaluation

  • Lee, Ji Hyun;Kwak, NoSang;Niu, Hongwei;Wang, Jinyi;Wang, Shiqing;Shang, Hang;Gao, Shiwang
    • Korean Chemical Engineering Research
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    • v.58 no.1
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    • pp.150-162
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    • 2020
  • The proprietary post-combustion CO2 solvent (KoSol) developed by the Korea Electric Power Research Institute (KEPRI) was applied at the Shanghai Shidongkou CO2 Capture Pilot Plant (China Huaneng CERI, capacity: 120,000 ton CO2/yr) of the China Huaneng Group (CHNG) for performance evaluation. The key results of the pilot test and data on the South Korean/Chinese electric power market were used to calculate the predicted cost of CO2 avoided upon deployment of CO2 capture technology in commercial-scale coal-fired power plants. Sensitivity analysis was performed for the key factors. It is estimated that, in the case of South Korea, the calculated cost of CO2 avoided for an 960 MW ultra-supercritical (USC) coal-fired power plant is approximately 35~44 USD/tCO2 (excluding CO2 transportation and storage costs). Conversely, applying the same technology to a 1,000 MW USC coal-fired power plant in Shanghai, China, results in a slightly lower cost (32~42 USD/tCO2). This study confirms the importance of international cooperation that takes into consideration the geographical locations and the performance of CO2 capture technology for the involved countries in the process of advancing the economic efficiency of large-scale CCS technology aimed to reduce greenhouse gases

A Study on the Ubiquitous Cave Systems (유비쿼터스 동굴시스템에 관한 연구)

  • Oh, Jong-Woo
    • Journal of the Speleological Society of Korea
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    • no.90
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    • pp.35-56
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    • 2009
  • The purpose of this paper is to analyze the implementation of the karst infrastructure systems for the u-cave. IT based u-cave represents spatial information derived fields, such as geographical distribution of the cave boundaries, physical configuration of the cave locations and formation characteristics of the karst history. These three aspects relate to karst infrastructure systems, cave monitoring center and spatial database implementation. In terms of the IT based u-cave infrastructure implementation systems, the u-cave depends on IT contents and spatial features. uIT contents are strongly related to IT839 strategy due to the national agenda is "u-Korea". Cave should contribute to u-cave construction through the spatial analyses methods including USN, RFID, LiDAR, ELD, and GIS technologies. For these methods various cave functions will guide to u-cave's distribution, location, and characteristics of karst. The infrastructure consists of landforms and speleothem facilities, underground related facilities, environmental protection systems, and cave planning. These six units of the cave infrastructures have spatial databases that consist of spatial configuration, such as 4-D in order to draw the spatial distribution of the limestone and lava caves. IT based u-cave system infrastructure implementation should deal with IT convergence to generate fusion affects.

Conservation Values of Major Resources in the Korean DMZ and Its Vicinity (DMZ일원 주요 자원의 보전에 대한 지불의사액 추정 연구: 응답자의 지리적 이질성에 대한 검증)

  • Choi, Andy S.;Park, Eun-Jin
    • Environmental and Resource Economics Review
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    • v.19 no.2
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    • pp.303-340
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    • 2010
  • The Demilitarized Zone (DMZ) of Korea has been crucial not only for its buffering role between two Koreas, but also for the conservation of various resources across its premises. The objectives of this study is threefold. The first objective is to identify major resources that determine economic values of the DMZ and its vicinity. The second and third objectives are respectively to estimate conservation values of those resources using Choice Modeling and to test whether or not respondents living in different geographical locations have significantly different willingness to pay for the conservation. In a very conservative estimation, results showed that Korean adults have about 55,000 Won on average for conserving five major resources : the DMZ area, endangered species, cultural heritage items and sites, the Truce Village, and villages in the Civilian Conroal Zone. This equals the aggregate economic value of about 2,07 trillion Won. Moreover, significant regional differences were found in public benefits from conserving these major resources.

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Analysis on Timely Refusal to Accept Discrepant Documents in Documentary Credit Transactions -with a special emphasis on Federal Bank Ltd. v. VM Jog Engineering Ltd, Indian Supreme Court Decision- (화환신용장 거래에서 은행의 불일치서류 거절의 적시성에 관한 연구 -Federal Bank Ltd. v. VM Jog Engineering Ltd.의 사건에서의 인도 최고법원의 판결을 중심으로-)

  • Hahn, Jae-Phil
    • Journal of Arbitration Studies
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    • v.16 no.3
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    • pp.161-189
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    • 2006
  • This paper is aiming at analyzing case law of India in relation with reasonable time to make decision whether to accept or to refuse the documents received from the presenter in credit transactions. As specified in UCP, the failure to refuse to accept the documents within a reasonable time precludes the Issuing Bank, Confirming Bank (if any) and Nominated Bank from asserting that they are discrepant. Compliance of the stipulated documents on their face with the terms and conditions of the credit shall be determined by international standard banking practice as reflected in this Articles of UCP 500. The Issuing bank is only to be held responsible for honoring the documents presented by beneficiary through the nominated banks if they are strictly in compliance with terms and conditions of the Credit. As any well experienced banker knows, however, a word-by-word, letter-by-letter correspondence between the documents and the credit terms means a practical impossibility. Thus the notion of reasonable care in conjunction with the doctrine of strict compliance mixed with International Standard Banking Practices has not played a right functional standard for checking the documents as stipulated in the credit and UCP 500. And so the rejection rate is highly estimated at approximately 50% in EU and 40 to 70% according to their geographical locations in the USA. As a result, it can possibly be inferred from this fact that the credit industry would be facing the functional failure as the international trade credit facility, if not supported with motive power as a relevant scheme in UCP 500. It is quite important to note that UCP 500 Article 13(b) which specify the time limit for the banks to notify the presenter their decision not to accept the documents within a reasonable time not to exceed seven banking days following the day of receipt of documents would be the motive engine to improve the negotiability of documents in international trade financial facility.

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