• Title/Summary/Keyword: Hanlim

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Studies on the Physiological and Ecological Characteristics of Korean boxwood(Buxus microphylla var. koreana Nakai) (회양목의 생리적 특성과 엽색변화에 관한 연구)

  • 하유미;강양희;심경구;김용기
    • Journal of the Korean Institute of Landscape Architecture
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    • v.19 no.4
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    • pp.46-57
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    • 1992
  • This study was carried out to compare physiological characteristics of winter green cultivar (Buxus microphylla van. koreana 'Hanlim') with those of native cultuvar and clucidate the effect of environmental factors such as light intensity, time of shading, and nutrients etc. on leaf color in Korean boxwood(Buxus microphylla var. koreana Nakai). The results are summarized as followed; The 'Hanlim' cultivar had higher contents of chlorophyll as compared with native cultivar from September, 1989 to March, 1990. However, at April, 1990, native cultivar had higher chlorophyll contents. In the rate of photosynthesis, 'Hanlim' cultivar was higher than native cultivar from September to December, 1989, but showed the opposite trend from March to April, 1990. As to the period of browning, 'Hanlim'cultivar had stayed green even after November 22, 1989, while the foliage of native cultivar turned yellowish brown color through the winter. The contents of nitrogen and potassium of 'Hanlim' cultivar werehigher than those of the native cultivar. However native cultivar had higher rate of phosphorus, magnessium, and calcium. In the effect of environmental factors such as light intensity, time of shading, and nutrients etc. on leaf color in Korean boxwood(Buxus microphylla var. koreana Nakai), chlorophyll contents were increased with shading and leaves grown 70% shading had twice as much as those of full sunlight, fertilized plot. Nutrient fertilization increased chlorophyll contents and values of color in boxwood too. In the shading times, early shading time maintained effectively green color of boxwood in winter. Therefore, in case of native cultivars, it has planted at full sunlight area until now and color of leaves turned yellowish brown color through the witner. However, it will maintain green color of leaves by planting at shade area. In addition to, as 'Hanlim' cultivar had benefits of maintain green color of leaves during winter, it will be planted at full sunlight area to landscape plants.

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Epidemic form of creative background and Joseon Dynasty of Hanlim another song (<한림별곡(翰林別曲)>의 창작(創作) 배경(背景)과 조선시대(朝鮮時代) <한림별곡(翰林別曲)>의 유행(流行))

  • Kwon, Hyok Myong
    • (The)Study of the Eastern Classic
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    • no.57
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    • pp.437-466
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    • 2014
  • This paper, is in the focus of the fact that was popular in the Joseon Dynasty, was clearly private background and fashionable aspects of its creation. In Section 2, as the background of the epidemic of of the Joseon Dynasty, and was derived creative situation of . is the "left Order live music" relationship center rather, was that it was created by the Academy belongs is highlighted "Hanlin year". As a result, collapses the relationship between the order raw Korea early left, in conjunction with the boast to debauchery and evaluated surface Shinyoung of successor Geibun of this academy, be epidemic in the Joseon Dynasty it is the could be. In Chapter 3, and two to the original, it was examined the epidemic surface of of the Joseon Dynasty. The epidemic of surface, in the conventional research and are relatively detailed, but in this paper, while accommodating the existing research results, of consideration "Hanlim feast" has led to Geibun of Korea "immune new Feast" was observed a trend surface is placed around the fact. As a result, , the Joseon is that it has been singing on the occasion official four-kan and Geibun center, first Nara are exempt new feast bonds back to the four Hall again in Geibun, usually it can be seen that it is spread in the Scholar-official and gisaeng's. Lower limit has been singing can be up to around the late 17th century it has been speculated through the time of Gimumanjun.

Sequential Analysis of Hepatitis Be Antigen Status in Infants Born to Hepatitis Be Antigen-Positive Mothers (HBe항원 양성 산모에서 출생한 HBe항원 양성인 신생아의 추적관찰)

  • Park, Eun Sook;Lee, Hae Kyung;Oh, Chang Hee;Kim, Sung Ku;Yun, Hae Sun;Song, Won Keun;Lee, Young Ah
    • Clinical and Experimental Pediatrics
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    • v.45 no.6
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    • pp.727-731
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    • 2002
  • Purpose : The objectives of this study are to evaluate the significance of HBeAg positivity in infants born to HBeAg and HBsAg positive mothers. Methods : The HBeAg status of 22 HBeAg positive, HBsAg negative infants born to HBeAg and HBsAg positive mothers from December 1996 to March 1999 were evaluated by enzyme immunoassay. Results : The number of HBsAg positive carrier mothers was 213(4.9%) out of 4,338 pregnant women. HBeAg was positive in 76(41.5%) out of 183 HBsAg positive mothers. Only 49 infants born to 76 HBeAg positive mothers could be evaluated; 36 infants were HBeAg positive and HBsAg negative. Laboratory follow up was possible in 22 infants. HBeAg disappeared in 7 cases within two months and in 20 cases within 12 months(over 90%). Ultimately, twenty-two babies who were HBsAg-negative and HBeAg-positive became negative for HBeAg, however, one showed HBsAg in follow up of 6 months of age. Conclusion : HBeAg positivity in infants born to HBeAg positive mothers may result from the maternofetal transmission and this HBeAg eventually disappeared without clinical significance.

Changes in Composition of Total Lipids of Human Milk during Lactation (수유기간의 경과에 따른 인유 지방질 조성의 변화)

  • Yoon, Tai-Heon;Lim, Kyung-Ja;Jang, You-Kyung
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.11 no.3
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    • pp.35-36
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    • 1982
  • Lipid composition of human milk samples (ten colostrum and 10 mature) was analyzed by quantitative thin-layer chromatography with flame ionization detector. Six kinds of lipid components existed in human milk. Among them, triglyceride which was most abundant lipid component showed significantly lower levels in colostrum than in mature milk. Other lipid components have no significant differences between colostrum and mature milk.

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Cheju Hanlim S/T Model Parameter Determination and Assessment of Voltage Control Loop on the Characteristic Tests of Generator/Excitation System (발전기/제어계 특성시험을 통한 제주한림 S/T 모델정수 결정과 전압제어특성 평가)

  • Kim, D.J.;Moon, Y.H.;Lee, K.J.;Yun, Y.B.
    • Proceedings of the KIEE Conference
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    • 1999.11b
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    • pp.147-149
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    • 1999
  • This paper deals with the determination of generator/exciter model parameters for a Cheju Hanlim steam turbine unit. Using the recorded data from the generator characteristic tests, the model parameters have been derived and verified by comparing the simulation results and recorded data. In addition to it, the closed-loop performance of voltage control on no-load condition has been assessed in the frequency domain by taking advantage of derived generator/exciter model parameters.

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Environmental Character and Catch Fluctuation of Set Net Ground in the Coastal Water of Hanlim in Cheju Island III. Environmental Character and Catch Fluctuation (제주도 한림 연안 정치망 어장의 환경특성과 어획량 변동에 관한 연구 III. 어획량변동과 환경요인)

  • KIM Jun-Teck;JEONG Dong-Gun;RHO Hong-Kil
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.32 no.1
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    • pp.105-111
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    • 1999
  • To investigate the relationships between ocean environmental characteristics and thechange of the catch, we analyzed various environmental factors such as mean temperature, salinity, current vectors, lunar day and wind vectors from 1995 to 1996 and the catch fluctuation of Hanlim set net from 1994 to 1996. The results are as follow ; 1) The proportion of fishes caught in Hanlim set net is highest for horse mackere1 ($69.2\%$) and is followed by common mackerel ($18.4\%$), hair tail ($5.6\%$), squid ($2.7\%$) and rabbit fish ($1.4\%$) in order. Two peaks in the monthly catch appeared in June and October in the operation period of May- December. 2) The flow direction was northward in flood time and southeastward in ebb time around the Hanlim set net. Thus, the vortical mixing of sea water was active and continued for more than 3 hours. In addition, mean daily temperature was low due to the presence of middle and bottom water in offshore. Increase in salinity or high salinity of sea water provides a favorable condition for catches of fishes. Catches in the first quarter and the last quarter of the moon were larger than that in full moon and the last of the month. In particular, when south or southeasterly wind velocity reaches about 3$\~$6.5 m/s, the possibility of catches increases.

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Removal of Copper ton by Na-P1 Synthesized from Jeju scoria (제주 스코리아로부터 합성된 Na-P1 제올라이트에 의한 Cu 이온 제거)

  • 감상규;홍정연;현성수;안병준;이민규
    • Journal of Environmental Science International
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    • v.11 no.1
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    • pp.75-83
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    • 2002
  • The removal performance of copper ion was studied using Na-P1 zeolites synthesized from Jeju scoria. The scoria which is found in large amounts in Jeju Island, was sampled at four regions, Jeju-shi Bonggae-dong(A). Pukcheju-gun Hanlim-eup Sangmyong-ri Mangoreum(B), Pukcheju-gun Hanlim-eup Keumag-ri(C) and Namcheju-gun Andeok-myun Dongkwang-ri(D). Synthetic Na-P1 zeolites used in this study were more effective than natural zeolite and scoria for the removal of copper ion. The removal performances of copper ion decreased in the order of Na-P1(D) > Na-P1(C) > Na-P1(B) > Na-P1(A) among Na-P1 synthesized from the scoria according to region. These results showed the same trend with cation exchange capacity(CEC) for each synthetic zeolite, i.e., the synthetic Na-P1 zeolite with a higher CEC showed a higher removal performance. The effective diffusion coefficients of copper ion by synthetic Na-P1 zeolites were one hundred and ten times higher than those by a pure zeolite 4A and the zeolite A synthesized from coal fly ash, respectively.

Modeling of Hanlim's gas turbine generator & qualitative analysis of PSS operation (한림가스터빈 발전기/제어계의 모델링 및 PSS 동작의 정성적 분석)

  • Choi, K.S.;Moon, Y.H.;Kim, D.J.;Choo, J.B.;Lyu, S.H.
    • Proceedings of the KIEE Conference
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    • 1996.11a
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    • pp.95-98
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    • 1996
  • Response speed of generator/control system kas increased with the aid of the development of power electronics. Even though it is desirable to enhance response speed for the control system(AVR/Gov) of generator itself, in case a certain generator/control system with high response excitation system is connected with bulk power system, terminal voltage and active power of some generators can oscillate with adjoining generators or near area when even a little of disturbance take place. PSS(Power System Stabilizer) is used to damp rotor swing by adding the supplementary signal in phase with speed. As the stable AVR response is very important before PSS is installed, modeling and analysis of generator/control system was performed. Next we have analysed PSS response of Hanlim's gas turbine by transmission line open/close test.

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Feasibility Test for Hydraulic Conductivity Characterization of Small Basin-Scale Aquifers Based on Geostatistical Evolution Strategy Using Naturally Imposed Hydraulic Stress (자연 수리자극을 이용한 소유역 규모 대수층 수리전도도 특성화: 지구통계 진화전략 역산해석 기법의 적용 가능성 시험)

  • Park, Eungyu
    • Journal of Soil and Groundwater Environment
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    • v.25 no.4
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    • pp.87-97
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    • 2020
  • In this study, the applicability of the geostatistical evolution strategy as an inverse analysis method of estimating hydraulic properties of small-scale basin was tested. The geostatistical evolution strategy is a type of data assimilation method that can effectively estimate aquifer hydraulic conductivity by combining a global optimization model of the evolution strategy and a local optimization model of the ensemble Kalman filtering. In the applicability test, the geometry, hydraulic boundary conditions, and the distribution of groundwater monitoring wells of Hanlim-Eup were employed. On the other hand, a synthetic hydraulic conductivity distribution was generated and used as the reference property for ease of estimation quality assessment. In the estimations, two different cases were tested where, in Case I, both groundwater levels and hydraulic conductivity measurements were assumed to be available, and only the groundwater levels were available, in Case II. In both cases, the reference and estimated hydraulic conductivity fields were found to show reasonable similarity, even though the prior information for estimation was not accurate. The ability to estimate hydraulic conductivity without accurate prior information suggests that this method can be used effectively to estimate mathematical properties in real-world cases, many of which little prior information is available for the aquifer conditions.