• The Korean Journal of Ecology
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• v.18 no.3
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• pp.367-383
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• 1995

The relationship between floristic composition and soil environmental factors was investigated in the forest vegetation of Mt. Mohu.The forest vegetation unit of the Mt. Mohu could be divided into three communities, Quercus mongolica community, Pinus densiflora community and Quercus variabilis community. There were two subcommunities in Quercus mongolica community, which were Rhododendron schlippcubachii subcommunity and Stephanandra incisa subcommunity. The Quercus mongolica community was distributed at the altitude of 600~900 m, Pinus densiflora and Quercus variabilis communities were distributed on south-west slope at the altitudes of 430~520 m and 400~500 m, respectively.The DBH class of dominant species in each community showed that Quercus mongolica had 9 individuals/a at 11~15 cm class, Quercus variabilis 5.6 individuals/a at 11~15 cm class, and Pinus densiflora 8 individuals/a at 16~20 cm class. Quercus mongolica. Quercus variabilis and Pinus densiflora communities showed a bell-shape distribution.The contents of organic matter and soil water, and cation exchange capacity of the soil increased and the pH decreased in proportion to increased altitude. The soil environmental conditions of Quercus mongolica community were more favorable than those of Pinus densiflora and Quercus variabilis communities.The supposed successional sere of the forest vegetation of Mt. Mohu was as follows: Pinus densiflora community.Quercus variabilis community.Quercus mongolica community

• Journal of the Korean earth science society
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• v.28 no.1
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• pp.136-141
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• 2007

The UNESCO`s earth science division has developed the geoparks program to recognize earth scientific heritage sites worldwide. To respond to this movement, I suggest Byeonsanbando National Park (BNP) as the first geopark in Korea and provide, at the same time, a line of evidence supporting the designation of geopark. BNP has the best qualifications with geological, geomorphological, ecological, and cultural resources. In Chaeseokgang and Jeokbyukgang, there are many geological and geomorphological resources attracting the scientific importance. In addition, BNP has a total of 844 species of wild plants and 550 species of wild animals. Cultural properties abound in BNP, including Koryo bronze bell of Naesosa and Taeungjon hall of Kaeamsa. To be designated a geopark by UNESCO, a management plan of geotourism will be required in addition to the geological, geomorphological, ecological and cultural resources, which should be prepared by the Korea National Parks Service and related local government authority. If the above-mentioned conditions are met completely, Korea would enter the global network of geoparks for the first time.

• Journal of Acupuncture Research
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• v.18 no.1
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• pp.237-247
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• 2001

Background : infection associated with otalgia, herpetic eruptions, facial palsy, trigeminal pain and cochleovestibular dysfunction such as hearing dishubance, tinnitus, vertigo and other symptoms, and is not frequently encountered in otolaryngologic field. And facial paralysis occured by this syndrome is rapid in onset, usually severe in degree, and poor in prognosis. Objectives : To evaluate the Oriental Medicine's treatment and prognosis of Herpes zoster oticus and to classify of peripheral Facial palsy on Oriental Medicine. Methods : Clinical observation and analysis about a case of Ramsay-Hunt syndrome III type was done, who visited Dongguk University Gangnam Hospital. This case is managed by integrated therapy of oriental and western medicine. In oriental medicine, to treate ear pain, heonggae-yeongoetang(荊芥蓮翹湯) was given and to treat herpetic eruption, 8 constitution acupuncture treatement was done. In western medicine, antiviral agent, acyclovir and steroid hormone, prednisolon were treated. Result : About 6 weeks treatment, this case which has worse prognosis than Bell's palsy, was completed cured without any complication. Conclusion : 1. Futher divided classification about non-infectious and infectious facial palsy include "Ramsay Hunt Syndrome" is needed. 2. In acute state, Jeonyohwadan's (纏腰火丹) treatement can be applied, but the difference of invasion part, primary symptom such as ear pain and herpetic eruption is needed another treatment. 3. Ear pain and herpetic eruption can be treated in part of poongyeol(風熱) and subyeol(濕熱). 4. In Acupuncture treatement, Jeonyohwadan's (纏腰火丹) treatement can be applied in acute stage and guanwasa's treatement can be applied in chronic stage. but futher research is needed. 5. This case, Ramsay Hunt Syndrome IlI type, was managed by integrated therapy such as heonggae-yeongoetang(荊芥蓮翹湯), 8 constitution acupuncture treatement, acyclovir and prednisolon and this treatement was good effect.

• Journal of Acupuncture Research
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• v.23 no.6
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• pp.133-143
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• 2006

Objectives : To Investigate Severity Measurement and the Correlation between Acupoints on the Face and the Upper limb in Bell's Palsy Patients by Using of DITI. Methods : We recreated the persons in the Wonkwang oriental hospital, KwangJu and the public health center, Hwasoon from April 2005 to October 2005. the 60 persons randomized allocated were not showed the acupuncture and treated in the acupuncture points used for treatment of the shoulder pain. the 30 persons were treated with real acupuncture and the others were treated with Kiln Sham Acupuncture. Conclusion : This report suggest that we must except Kyon-lyo(TE14), kyon-u(LI15), and hu-gye(SI03) from the shoulder pain study with Kim Sham Acupuncture because the persons significantly distinguished Real acupuncture from Sham acupuncture at the Kyon-lyo(TE14), kyon-u(LI15) and hu-gye(SI03) and so We cannot blind a person.

• Journal of the Korean housing association
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• v.17 no.1
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• pp.117-126
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• 2006

This study was conducted as a survey to find out middle-aged persons's housing preferences for a future elderly housing and to grasp background characteristics of persons influencing the preferences and the effect of elderly's aging situations on the changes of their preferences. A sample of 300 middle-aged people was selected purposely from parents of university students living in Gwang-ju city. Questionnaires were administered to parents by students and analysed with SPSS Windows 10 program. Middle-aged persons's housing preferences were differed according to elderly's aging situations, in the case of healthy situation, they tended to prefer to stay present house without their children in irrespective to couple or single, whereas in the case of unhealthy situation, they tended to prefer to live with their children. and couples showed preferences for planned housing for the elderly and singles showed preferences for elderly housing facilities with care services. The most important characteristics of elderly housing among middle-aged people was a places where they can enjoy leisure and provide home-help services, located in the suburbs. Also middle-aged persons were likely to prefer to a green spaces such as garden, path for walking, and madang for the elderly housing. Needs for community care services (NCCS) were required above the average. Among the items of NCCS, a visiting medical examination was the most demanding, and a visiting nursing services, a emergency calling bell, and home repairs were sequently followed in the level of needs. The characteristics of the elderly housing which preferred to and needs for community care services were influenced by middle-aged persons's age, gender, subjective evaluation of economic abilities, tenure status, the cost of living, and the size of housing. This findings suggests that it must to be considered to develop various types of the elderly housing depending on socioeconomic status.

• Journal of Communications and Networks
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• v.3 no.4
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• pp.383-395
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• 2001

Recent measurement and simulation studies have revealed that wide area network traffic displays complex statistical characteristics-possibly multifractal scaling-on fine timescales, in addition to the well-known properly of self-similar scaling on coarser timescales. In this paper we investigate the performance and network engineering significance of these fine timescale features using measured TCP anti MPEG2 video traces, queueing simulations and analytical arguments. We demonstrate that the fine timescale features can affect performance substantially at low and intermediate utilizations, while the longer timescale self-similarity is important at intermediate and high utilizations. We relate the fine timescale structure in the measured TCP traces to flow controls, and show that UDP traffic-which is not flow controlled-lacks such fine timescale structure. Likewise we relate the fine timescale structure in video MPEG2 traces to sub-frame encoding. We show that it is possibly to construct a relatively parsimonious multi-fractal cascade model of fine timescale features that matches the queueing performance of both the TCP and video traces. We outline an analytical method ta estimate performance for traffic that is self-similar on coarse timescales and multi-fractal on fine timescales, and show that the engineering problem of setting safe operating points for planning or admission controls can be significantly influenced by fine timescale fluctuations in network traffic. The work reported here can be used to model the relevant characteristics of wide area traffic across a full range of engineering timescales, and can be the basis of more accurate network performance analysis and engineering.

• The Korean Journal of Ecology
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• v.1 no.1
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• pp.17-23
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• 1977

Flowering dates of 389 plant species in the Hongneung Arboretum, Seoul, had been recorded from 1968 through 1975. The thermal analysis on the air temperature as the key factor determining the first flowering date, with climatological data obtained in the Arboretum, were undertaken by Nuttonson's Index (1948) and Lindsey & Newman's Index (1956). The results and conclusion in this study are as follow; Peak in the bell shape distribution curve of the species and first flowering dates, largely, was early May. Flower spans of most species were 10 to 20 days, neverthless, some species flower only a few days while others may stay flowering a hundred days even more. Increase-curves of summation temperature from early spring through late-summer showed almost the same mode in both Nuttonson;s Index (Tn) and Lindsey & Newman's Index (T1). These Indices manifested the exponential curve, increasing slowly at the beginning of spring chiefly but rapidly from the middle part of April. The equation of the linear relationahip between Tn and Tl as far as in thisstudy is as follow. Tl=230Tn It appears that the distribution of summation temperature, below Tn=400°C·day, affects the first flowering, even though it could be modified somehow by the distribution of precipitation, day length and others. Nuttonson's Index (Tn.f) and Lindsey & Newman's Index (Tl.f) upon the thermal amount first flowering dates have been respectively simulated as follow. Tn.f=θa + C Tl.f=230θa + 230C where θ is air temperature 10°C, a and C are a constant.

• The Journal of Korean Institute of Electromagnetic Engineering and Science
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• v.17 no.8 s.111
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• pp.725-731
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• 2006

A novel design of frequency multiplier using a feedforward technique and a defected ground structure(DGS) is proposed. The feedforward loop in the proposed frequency multiplier suppresses the fundamental component $(f_0)$, the dumb-bell or spiral shaped DGS diminish unwanted harmonics such as second, third and fourth. Due to the combination of the feedforward structure and the DGS, only the multiplied frequency component$(2f_0,\;3f_0,\;4f_0)$ appears at the output port and the other unwanted components are suppressed excellently. The frequency multiplier is designed at 1 GHz $(f_0)$, by the proposed technique and measured. The measured output power of $2f_0,\;3f_0$ and $4f_0$ is -2.59 dBm, -5.36dBm and -4.57dBm, respectively, when the input power is 0dBm.

• Journal of the Korean Society of Costume
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• v.63 no.7
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• pp.1-16
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• 2013

The objective of this study is to analyze the characteristic of a functional design for a commercial outdoor brand jacket based on 3 types of functions : windproof, waterproof, and cold proof. To analyze the design and fabric characteristics of outdoor jackets by function, 903 men's and women's outdoor jacket images were selected from the catalogues during S/S 2009 - F/W 2011 of the 6 brands: The North Face, Columbia Sports Wear, Kolon Sports, K2, Arcteryx and Mont-Bell. These brands were selected based on their high market share and brand awareness of the outdoor brands in Korea. In this study, design elements analysis was conducted as following 8 elements: hood/collar height/central front flap/waistline/pocket location/ventilation for the body part/sleeve patterns/cuff for the sleeve part. Fabrics were analyzed by the frequency of fabric types used in the 3 jacket types. According to the result derived from the analysis of the six brands of outdoor wear jacket design trends by year, detachable hood and a co-use of velcro and elastic bands have been mainly designed for all of windproof, waterproof, and cold proof jacket to all in order to respond quickly to changes in the external environment. For reinforced storage function on trekking, the number of pockets has been gradually growing, and a function was being developed to connect an electronic device to a pocket. The method, result, and collateral observations relevant to each of these phases are described. Outdoor jacket design characteristics were investigated for outdoor brands, which can provide data to suggest more accurate functional design, and satisfy functional design needs. In this regard, this research was significant in the sense that it suggested preliminary data to reconsider competitiveness of the brand products.

• The Journal of Churna Manual Medicine for Spine and Nerves
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• v.2 no.1
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• pp.127-152
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• 2007

Objectives : To research the trend of the study related to Chuna(推拿) and to establish the direction of further studies into the Chuna(推拿). Methods : We reviewed and analyzed all theses published by Korean research institution. And these theses were classified by research institutions, published year, field of study, subject, research methods, thesis types, illness and symptoms. Results : The following results were obtained in this study. 1. Classified by the major field of study, oriental medicine accounted for 59 papers, followed by 18 in physical education and 2 in the science of nursing and medicine. 2. Upon classifying theses according to research method and thesis types, research related to clinical trial accounted for nearly half of all theses. It was followed by consideration of documents. 3. After 1998 deals with the effects of the Chuna on variable illnesses such as: ossified posterior longitudinal ligament, chronic coccyalgia, entrapment neuropathy, low birth weight infant, Bell's palsy, stress incontinence, paramenia, Parkinson disease, Bertolloti syndrom, TMJ (because of scoliosis) etc. 4. Two most widely cured illnesses using the Chuna therapy are scoliosis and HNP of L-spine. However, when considering the fact that several clinical tests and casuistics did not include research into Lumbago (including HNP of L-spine), it can be concluded that most of the Chuna therapies have been concentrated on Lumbago. Conclusion : As it can be seen in the above results, the possibility of curing illness through Chuna and the usefulness of Chuna have been shown factually and clinically through various consideration of documents, clinical trial & casuistics. Based upon such facts, it is regarded that further scientific research along with additional clinical approaches involving the Chuna should be performed.