• Title/Summary/Keyword: Property of matter

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A research on the selection of subject and its legal and institutional guarantee concerning protection of the intellectual property of traditional medicine (전통의약분야의 지적 재산권 보호를 위한 대상 발굴 및 법적.제도적 보장 방안 연구)

  • Kim, Hong-Jun;Lee, Sang-Jung;Ju, Young-Sung
    • Korean Journal of Oriental Medicine
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    • v.8 no.2 s.9
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    • pp.47-65
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    • 2002
  • This project is planned to grasp the present situation of traditional medicine part in our country and to study protection method about this by the intellectual property which is the international concerning point recently. Through this, we will be able to devise means to deal with protection method of traditional medicine being developed by WIPO now. Traditional medicine field In our country Is organized with specific condition separated into the part of institution and the part of non-institution. So, because of the closed peculiarity, we have experienced the difficulties to understand the real facts about traditional medicine. We cannot be indifferent to the matter anymore. Because the expectation of object people is high, we could expect the realization of research content. In 1 detail project, we investigated the situation of traditional medicine in our country through various collecting methods for excavation of oriental treatment technique and herb medicine which is worth protecting. With it, we sorted again into 56 kinds of 11 parts through analysis of validity in the way of oriental medicine. And we tried to link this up 2 detail project which is about legal and institutional guarantee concerning protection. furthermore, we tried to find approach ways for security of objectivity into 4 steps with the example of model disease. we could complete practical classification of traditional medicine in our country. In 2 detail project, we studied the protection method by the intellectual property through research result in 1 detail project. For this, we observed an outline of the intellectual property including a patent application analysis in folk traditional medicine part, and problems of traditional medicine protection and world trend by traditional knowledge protection tendency and the patent law In domestic traditional medicines, the aspects unprotectable with the patent law now were remained. So, we suggested supplementary plan. And we also suggested the freedom of utilization between traditional medicine possession countries (in-situ utilization) and the demand compensation payment for a third country (ex-situ utilization) in connection with international movement.

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Molecular Size Distributions of NOM in Conventional and Advanced Water Treatment Processes (기존수처리 공정 및 고도정수처리 공정에서 NOM의 분자크기 분포 변화)

  • Choi, Il-Hwan;Jung, Yu-Jin
    • Journal of Korean Society on Water Environment
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    • v.24 no.6
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    • pp.682-689
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    • 2008
  • The purpose of this study was to find out the variation between molecular size distribution (MSD) of natural organic matter (NOM) in raw waters after different water treatment processes like conventional process (coagulation, flocculation, filtration) followed by advanced oxidation process (ozonation, GAC adsorption). The MSD of NOM of Suji pilot plant were determined by Liquid Chromatography-Organic Carbon Detection (LC-OCD) which is a kine of high-performance size-exclusion chromatography (HPSEC) with nondispersive infrared (NDIR) detector and $UV_{254}$ detector. Five distinct fractions were generally separated from water samples with the Toyopearl HW-50S column, using 28 mmol phosphate buffer at pH 6.58 as an eluent. Large and intermediate humic fractions were the most dominant fractions in surface water. High molecular weight (HMW) matter was clearly easier to remove in coagulation and clarification than low molecular weight (LMW) matter. Water treatment processes removed the two largest fractions almost completely shifting the MSD towards smaller molecular size in DW. No more distinct variation of MSD was observed by ozone process after sand filtration but the SUVA value were obviously reduced during increase of the ozone doses. UVD results and HS-Diagram demonstrate that ozone induce not the variation of molecular size of humic substance but change the bond structure from aromatic rings or double bonds to single bond. Granular activated carbon (GAC) filtration removed 8~9% of organic compounds and showed better adsorption property for small MSD than large one.

Selection of Suitable Organic Matter for To-jik Nursery in Panax ginseng C.A. Meyer (인삼 재배 시 토직모 생산에 적합한 유기물 선발)

  • Kim, Dong-Won;Kim, Hee-Jun;Park, Jong-Suk;Kim, Dae-Hyang;Cheong, Seong-Soo;Ryu, Jeong
    • Korean Journal of Medicinal Crop Science
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    • v.18 no.2
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    • pp.74-78
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    • 2010
  • This experiment was carried out to select suitable organic matter in To-jik nursery (self soil nursery) for complement To-jik nursery's defects that are deterioration of raw material by poor quality of seed ginseng and reduction of the quantity in seed ginseng production. Organic matter used were Yacto, rice bean, defatted rice bran, soybean cake and their mixture. As follows, bulk density in soil physical property by treating organic composts was the greatest in soybean cake and the next was followed by mix, Yacto, defatted rice bran, and rice bran treatment in order. Soil pore space ratio was totally the opposite; that was rice bran the first and followed by defatted rice bran, Yacto, mix and soybean cake treatment. The incidence rate of damping off by treating organic composts was 1.5% in both soybean cake and mix while the others was 1.0%. Emergence time was the same among treatment on April 16 and Emergence rate was the highest at 73% in Yacto. There was no significant differences among treatment in the growth of aboveground part but it was a little better in defatted rice bran treatment. In Yacto treatment, the growth of underground part, total root number per kan, rate of first grade ginseng seedling, and rate of usable ginseng seedling etc. were entirely higher but there was little differences. Using defatted rice bran was slightly lower in productivity compared to Yacto, but the possibility was high as a alternative for Yacto in a view of managing cost down.

Changes of Nutrient Accumulation Type and Chemical Property on Annual Dressing Paddy Soil in Fluvio-marine deposit (하해혼성 충적층 유기물 연용 논토양의 화학성 및 양분 집적형태 변화)

  • Yang, Chang-Hyu;Yoo, Young-Seok;Yoo, Chul-Hyun;Jung, Ji-Ho;Kim, Jae-Duk;Jung, Kwang-Yong
    • Korean Journal of Soil Science and Fertilizer
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    • v.39 no.6
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    • pp.351-356
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    • 2006
  • A long-term experiment was initiated in 1979 at Experiment Farm of Honam Agricultural Research Institute, to investigate the effects of continued use of organic matter (rice straw and compost) along with different levels of nitrogen fertilizer in rice cultivation. The soils of experimental plots is classified as Jeonbug series developed on Fluvio-marine deposits. The application rates of rice straw and compost were 5 Mg/ha/year and 10 Mg/ha/per year, respectively. The fertilizer N application rates per season were 0, 100, 150, 200, and 250 kg/ha. In 2002, after 24 years of experiment, the effect of different treatments on soil pH, characteristics soil organic matter, soil N and P were investigated. The results of the study is summarized as following. The continue use of organic matter tended to lower the soil pH, to increase organic matter and available phosphate contents. The rice straw tended to lower soil pH more than compost, while the effect of compost was greater in increasing soil organic matter and available soil P then rice straw. The application of organic matter resulted in the increase in total organic N in the soil. Such effect was greater in compost application than in rice straw application. In organic N, greatest was amino acid-N, followed by unidentifiable organic N. The least was amino sugar-N. The application of organic matter with and without nitrogen fertilizer affected the in organic fractions of P, particularly Fe-P and Al-P. The application of rice straw tended to increase Ca-P.

A Study on High Strength Concrete of Concrete Filled Steel Tube Column (CFT 기둥용 초고강도 충전콘크리트에 관한 연구)

  • Jung, Keun-Ho;Lim, Nam-Gi;Lee, Young-Do
    • Journal of the Korea Institute of Building Construction
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    • v.4 no.1
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    • pp.127-132
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    • 2004
  • CFT(Concrete Filled Steel Tube) is a structure of circular or squared of steel column filled with concrete. The steel tube holds the concrete inside and that makes this structure to perform superior features on stiffness, proof stress, transformation, fire resistance and construction itself. In this study, by over the 800kgf/$\textrm{cm}^2$ of high strength concrete for CFT column, research has been done on the basic property of matter such as fluidity, resistance on segregation, compressive strength, setting icons of the concrete filled in the steel tube under conditions of standard weather. Physical properties of concrete for CFT that Concrete with silica fume, fly ash of air entraining and high-range water reducing agent, that used to CFT column research purpose to find the most ideal composition, which is achieved by the investigation in the concrete's property of matter like ability of Slump, Slump Flow, Air content, Bleeding, and Settlement. For this study, experiments which are bused on obtained the result through physical test are practiced, with all of the experiment, specimens only for control are produced in each method of curing and analyzed to relations with core strength in mock-up test. In mock-up test, the research is studied compactability of concrete filled in tube and degree of hydration hysteresis, as a basic reference for applying to field of CFT column which is used over 800kgf/$\textrm{cm}^2$ high strength concrete.

Soil Chemical Property and Leaf Mineral Nutrient of Ginseng Cultivated in Paddy Field Occurring Leaf Discoloration (인삼 논재배에서 황증이 발생한 토양과 식물체의 무기성분 함량 특성)

  • Lee, Sung Woo;Park, Kee Choon;Lee, Seung Ho;Park, Jin Myeon;Jang, In Bok;Kim, Ki Hong
    • Korean Journal of Medicinal Crop Science
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    • v.21 no.4
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    • pp.289-295
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    • 2013
  • This study was carried out to investigate the cause of leaf discoloration occurring frequently in paddy cultivation. Chemical property of soil and inorganic nutrient component of leaf were analyzed on abnormal fields of 7 regions where leaf discoloration occurred severely and normal fields of 7 regions among ginseng garden. The pH of abnormal fields was strong acidic condition (pH 5.51) compare to normal fields of slightly acid condition (pH 6.42). Calcium and magnesium content in abnormal fields were lower distinctly than that of normal fields, while EC, organic matter, phosphate, and potassium content showed not distinct difference between abnormal and normal fields. Whereas calcium and magnesium content were distinctly high in normal fields, both of potassium and iron content of ginseng leaf were distinctly high in abnormal fields. In particular, iron content of abnormal fields was more 1.94 times in soil, and 3.03 times in leaf than that of normal fields. In soil chemical property, there were significant negative correlation between leaf discoloration ratio and soil pH, and there were also significant positive correlation between leaf discoloration ratio and iron content. In ginseng leaf, there were highly significant negative correlation between leaf discoloration ratio and calcium content, and there were also highly significant positive correlation between leaf discoloration ratio and iron content.

Study on the Formulation of the Cultural Property Policy during the Japanese Colonial Period -with the Focus on the Composition of the Committee and Changes in the Listing of Cultural Properties- (일제강점기 문화재 정책 형성과정 연구 -위원회 구성과 목록 변화를 중심으로-)

  • Oh, Chun-Young
    • Korean Journal of Heritage: History & Science
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    • v.51 no.1
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    • pp.100-125
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    • 2018
  • The Japanese colonial authority investigated and institutionalized Korea's cultural properties for the purpose of governance. This process was conducted by Japanese officials and scholars, and systematized after making some changes. The Reservation Rule (1916) and the cultural properties designated in 1934 were actually the starting point for Korea's current cultural property policy. In the view of lineup of 'committee' that consider all of cultural property and changing of 'cultural property list', this study discusses the cultural property policy implemented by Joseon's Government-General, which can be summarized as follows. First, Joseon's Government-General formed a committee (Preservation Society) to formulate the cultural property policy, and had the policy implemented by appointing Governor officials who accounted for more than half the total number of officials of the institution. Although some Koreans were concerned about this, they had no influence on the matter. Second, the cultural properties listed by Joseon's Government-General are divided into three periods according to the lists. The compilation of the first list was led by Sekino Tadashi, who represented the grading system (1909~1916); while that of the second list (1917~1933) was led by Guroita Gatsumi, who represented listing (1917~1933). Guroita Gatsumi tried to erase Sekino Tadashi's list by formulating the cultural property policy and the list - a situation that was revealed in the system and the actual contents of the list. The third list was made as a list of designated cultural properties in 1934. This list also reflected the results of Sekino Tadashi investigation of the important cultural properties at existing temples that had been excluded from the previous regulations (1934~1945). In this way, a basic framework for the listing of Korean cultural properties was established in 1934.

Effect of Organic Fertilizer Application on the Chemical Properties of the Orchard Soils and Apple Yield (사과원에서 유기질비료시용이 토양화학성 및 사과 수량에 미치는 영향)

  • Choi, Jyung;Lee, Dong-Hoon;Choi, Choong-Lyeal
    • Korean Journal of Soil Science and Fertilizer
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    • v.33 no.6
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    • pp.393-397
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    • 2000
  • This study was conducted to find out the effect of long-term compost application on the chemical properties of the orchard soils and apple quality. The contents of P and cations in soils were increased by the application of compost, while there are no difference in that of organic matter. The increase in application rates of compost resulted to the increase in apple yields, however, firmness and Brix of apple were as not differentiated by the compost application. The application of lower chemical fertilizer and higher compost resulted to the increase in the contents of organic matter and Ca in soils. The compost application resulted to the increase in inorganic material contents in soil but was not effective on the quality of apple fruits.

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Mesoporous Carbon as a Metal-Free Catalyst for the Reduction of Nitroaromatics with Hydrazine Hydrate

  • Wang, Hui-Chun;Li, Bao-Lin;Zheng, Yan-Jun;Wang, Wen-Ying
    • Bulletin of the Korean Chemical Society
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    • v.33 no.9
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    • pp.2961-2965
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    • 2012
  • Mesoporous carbons with tailored pore size were prepared by using sucrose as the carbon source and silicas as the templates. The silica templates were obtained from a hydroxypropyl-${\beta}$-cyclodextrin-silica hybrids using ammonium perchlorate oxidation at different temperatures to remove the organic matter. The structures and surface chemistry properties of these carbon materials were characterized by $N_2$ adsorption, TEM, SEM and FTIR measurements. The catalytic performances of these carbon materials were investigated through the reduction of nitroaromatic using hydrazine hydrate as the reducing agent. Compared with other carbon materials, such as active carbon, and carbon materials from the silica templates obtained by using calcination to remove the organic matter, these carbon materials exhibited much higher catalytic activity, no obvious deactivation was observed after recycling the catalyst four times. Higher surface area and pore volume, and the presence of abundant surface oxygen-containing functional groups, which originate from the special preparation process of carbon material, are likely responsible for the high catalytic property of these mesoporous carbon materials.

Hydraulic Property and Solute Breakthrough from Salt Accumulated Soils under Various Head Pressures

  • Lee, Sanghun;Chung, Doug-Young;Hwang, Seon-Woong;Lee, Kyeong-Bo;Yang, Chang-Hyu;Kim, Hong-Kyu
    • Korean Journal of Soil Science and Fertilizer
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    • v.45 no.5
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    • pp.717-724
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    • 2012
  • Salt accumulated soil should be reclaimed to lower salt level for crop production. This study was carried out to investigate the characteristics of water flow and transport of mono and divalent solutes on salt accumulated soils with different head pressures. Saturated hydraulic conductivity was measured by constant and falling head methods with maintaining different head pressures. Saturated hydraulic conductivity was influenced by bulk density and organic matter contents in soils, but it had different elusion patterns between saline and sodic soil. While the quantity of water necessary for reclamation could be varies with soil type, it was considered that the supply of one pore volume of water was affordable and economic. Additional head pressure significantly increased the volume of leachate at a given time and it was more effective at low organic matter soils. The results indicate that additional head pressure would be one of the best irrigation practices on desalination method for salt accumulated soils.