• Title/Summary/Keyword: Man-in-the-Middle

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Studies for the Sustainable Management of Oyster Farms in Pukman Bay, Korea: Estimate of Primary Production

  • Jeong, Woo-Geon;Cho, Sang-Man;Lee, Sang-Jun
    • Fisheries and Aquatic Sciences
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    • v.12 no.2
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    • pp.111-117
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    • 2009
  • To develop sustainable management strategies for oyster farms in Pukman Bay, Korea, we estimated primary production using a numerical model. Because oysters are filter feeders, estimations of primary production (PP) are essential in developing management strategies. The daily PP ranged from 0.07 to 1.5 gC/$m^2$/d and showed significant spatial variations. The spatial distribution of PP was strongly associated with hydrodynamic features, and distinct patterns were observed in three different regions. In the inner bay, high PP was directly influenced by urban and agricultural sewage. The middle part of the bay had low PP, whereas PP in the outer area was high. PP was relatively low during the main oyster growth season, from late autumn to early winter. These findings represent important information for developing a management model for oyster farms in Pukman Bay.

Western Men`s Underclothes in The First Half of The 19C (19세기 전기의 서양 남성 속옷에 관한 고찰)

  • 김주애;허정란
    • The Research Journal of the Costume Culture
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    • v.7 no.5
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    • pp.56-67
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    • 1999
  • At the turn of the 19C, the first development, spreading to the all classes that peculiar attitude of mind associated with the term prudery. The second changes of habit which affected both sexes and their undergarments were the novel idea of personal cleanliness. Drawers appear to have been of two lengths, short, when worn under breeches, and long when worn under pantaloons and trousers. The dandy wore corsets for beauty. In the early part of the 19C, the differences between day and evening style came to be accentuated. Not only the beau, but the soldier and hunting man were addicted to stays. The high standing collars of the early 1800s became fairly low in the middle of the century. in mid of the 19C, a woolen under-vest was worn next to the skin and studs were an usual fashion. At about 1850 the bottom of the shirt was cut in a curve. For evening dress the elliptic collar was introduced.

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Enhanced Security Scheme to Support Secure and Fast ASN-anchored Mobility in Mobile WiMAX

  • Park, Chang-Seop;Kang, Hyun-Sun
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.5 no.11
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    • pp.2204-2220
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    • 2011
  • Without providing a proper security measure to the handover procedure in Mobile WiMAX, several security attacks can be mounted. Even though security schemes have been previously proposed for this purpose, they are still vulnerable to several security attacks due to fatal design flaws. A newly proposed security scheme in this paper is based on the framework of authentication domain and concept of handover ticket. A method of establishing security associations within the authentication domain is proposed, and a lightweight security measure to protect the management messages associated with the handover is also proposed. Especially, using the handover ticket, the new security scheme can defend against a Redirection Attack arising from a compromised base station. The new security scheme is comparatively analyzed with the previous security schemes in terms of Replay, Session Hijacking, Man-In-The-Middle, and Redirection attacks.

Clinical Report of Insamyangwitang in Hyungsang medicine (인삼양위탕(人蔘養胃湯)의 임상활용(臨床活用)에 대(對)한 형상의학적(形象醫學的) 고찰(考察))

  • Park Chan-Ki
    • Herbal Formula Science
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    • v.11 no.1
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    • pp.205-216
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    • 2003
  • A general review is made on Insamyangwitang(人蔘養胃湯). Following conclusions are drawn from the clinical cases of Insamyangwitang in Hyungsang medicine. 1. Insamyangwitang is composed of four different prescriptions of Huisaentang, Sakoonjatang, Eajintang and Pyungwisan. Huisaentang is usually prescribed for the intestinal convulsion. Sakoonjatang for the deficiency of Ki. Eajintang for retention of phlegm. 2. Insamyangwitang is effective in strengthening the spleen, drying the dampness, warning the middle-warmer to stop vomiting, regulating the flow of Ki, and eliminating phlegm. 3. Insamyangwitang is applicable to malaria caused by cold, intestinal convulsion, abdominal mass, edema, tympanites, Yin syndrome of exogenous febrile disease, distension, lack of appetite, stomachache, and diarrhea. 4. Persons with the following characteristic in Hyungsang are more susceptible to Insamyangwitang : Jung type, Hyul type, fish type, Taium meridian type, white fat damp constitution, person with big mouth, and woman rather than man.

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A new species and a new record of Meghimatium Slugs (Pulmonata: Philomycidae) in Korea

  • Park, Gab-Man
    • Korean Journal of Environmental Biology
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    • v.39 no.3
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    • pp.399-405
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    • 2021
  • Until now, five species (Meghimatium bilineatum, M. fruhstorferi, Limax flavus, L. marginatus, Deroceras reticulatum) in three genera of families Philomycidae and Limacidae have been reported in Korea. Philomycidae is a family of air-breathing land snails. Meghimatium hongdoensis sp. nov. is described based on its middle size (60-80 mm in body length), its body coloration (dark-red yellow), no dorsal with streaks, its genitalia, and 16rDNA sequence analysis. Specimens of this new species were collected from Hongdo island, Sinan-gun, Jeollanam-do, Korea. This species is only known from the type locality at Hongdo to date. It could be found in high-humidity sites. Meghimatium uniforme (Laidlaw 1937) was the first one reported in Korea. It was also collected from Gageodo island, Sinan-gun, Jeollanam-do, Korea. In this study, morphological characteristics including their radula and genital structures of these two species were described. Preliminary results of mitochondrial 16S rDNA sequencing and phylogenetic analyses indicated that these species belonged to the Korean clade.

The Study of Suit Design and Materials for Middle-aged Men′s Visual Effect (중년남성 시각효과를 위한 수트디자인과 소재연구)

  • 박순천
    • Korean Journal of Human Ecology
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    • v.4 no.2
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    • pp.123-140
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    • 2001
  • The purpose of this study is to find the suitable suit design of mid-aged men by examining visual effects in Physical and Psychological side aspects. I used convenience sampling by considering sex and age distribution. These methods were used to analyze data that were frequency analysis, variate analysis, centesimal scale, primary factor analysis, three primary variate analysis, duality variate analysis, equation variate analysis and Cronbach's multiplex range verification 1. Image perception of men's suit was analyzed with arrangement, numbers of button, pattern and the shape of one's body and was divided into charming, youthfulness, modernism. affection and manly. 2. 1) There are partly resemblance difference in physical visual effect by the shape of body and suit design. 2) There are partly resemblance differences in psychological visual effect by one's shape and suit design. In conclusion arrangement, number of button and Pattern are very important to give an effect on whole visual effect man's suit. Also, these were felt differently in each types of body Therefore it is confirmed that the type of body is important fluent to make people perceive.

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A Case of Multiple Symmetrical Lipomatosis Causing Upper Airway Obstruction (상기도 폐쇄를 일으킨 다발성 대칭성 지방종증 1예)

  • Kim, Jeong-Kyu;Kim, Kyung-Chan
    • Tuberculosis and Respiratory Diseases
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    • v.70 no.1
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    • pp.63-68
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    • 2011
  • Multiple symmetrical lipomatosis (MSL), also called Madelung's disease, is a rare disorder of unknown etiology and characterized by abnormal accumulation of large subcutaneous fatty masses in neck, shoulder, and upper trunk. MSL has known to predominantly affect middle-aged men with a history of alcoholism. Although the clinical course of MSL is considered to be slowly progressive, in advanced stage, fatty masses in the neck may compress the upper aerodigestive tract, resulting in dyspnea and dysphagia. The treatment of MSL is surgical resection, but radical excision is very difficult and recurrence after surgery is frequent. We report the case of 55-year-old man with long lasting MSL, which caused severe airway obstruction. This patient was admitted with progressive dyspnea and massive accumulation of fat around the vocal cord that was detected on a neck CT scan. This abnormal fatty infiltration in supraglottic region caused upper airway obstruction.

Ecological and Genetic Biodiversity of Corbicula leana in the Nakdong River and the Nam River

  • Huh, Man-Kyu;Lee, Bok-Kyu;Kim, Byung-Kee;Heo, Youn-Seong;Lee, Hak-Young
    • The Korean Journal of Ecology
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    • v.28 no.2
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    • pp.63-67
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    • 2005
  • The eleven local samples of six species including Corbicula leana examined in this study were collected from the Nam River and the Nakdong River in Korea. Buzas's new formula was used to evaluate the ecological biodiversity among eleven populations and six species. In addition, enzyme electrophoresis was used to genetic diversity within and among populations of C. leana. The upper populations of the river have fewer species than the middle and low populations of this river. The genetic diversity trends to increase from the source of the main river to the mouth. It suggests that the population of downstream might be expanded toward upstream.

Postoperative Vasospasm in Unruptured Intracranial Aneurysm

  • Lee, Suk-In;Park, Cheol-Wan;Hong, Won-Jin;Park, Chan-Woo
    • Journal of Korean Neurosurgical Society
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    • v.40 no.2
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    • pp.131-134
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    • 2006
  • The cerebral vasospasm after clipping surgery of unruptured aneurysm is uncommon. A 44-year-old man with unruptured left middle cerebral artery[MCA] aneurysm had clipping surgery. From the third postoperative day, he presented with drowsy mentality, dysphasia and right hemiparesis. Computed tomographic scans showed low density area in frontotemporal lobe and midline shift. Transfemoral cerebral angiography revealed severe vasospasm in supraclinoid internal carotid artery, anterior cerebral artery, and MCA on the operative side. We performed left frontotemporoparietal craniectomy and hypertensive-hypervolemic therapy. He recovered without neurological deficits but for dysphasia. Neurosurgeon should be alert to the possibility of vasospasm after clipping surgery even in case of unruptured cerebral aneurysm.

A Study on the Agricultural Student's Perception of Sustainable Agriculture (농업계 대학생의 환경농업인식에 관한 연구)

  • Lee, Jong-Man
    • Journal of Agricultural Extension & Community Development
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    • v.9 no.1
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    • pp.11-27
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    • 2002
  • The objectives of this study were to categorize agriculture, to analyze perception of sustainable agriculture and to suggest the directions for improving farming practices in Korea. This study was conducted by review of literature and mail survey. The data was collected from 225 purposively sampled agricultural students by questionnaire. Major findings of the study were as follows; 1) According to the respondents, sustainable agriculture may bring positive effects on the betterment of land conservation, water management and animal protection. 2) The respondents expected that the sustainable agricultural practices may diminish the use of agricultural chemicals and increase safe agricultural products. 3) Sustainable agriculture needs more labor power, however, the number of small and middle-size farms in Korea would not be increased. 4) Even though the price of sustainable agriculture products increases, the respondents expected that rural economic condition would not be much improved because of sustainable agriculture. 5) Agricultural students responded that number of farmers in sustainable agriculture would be increased in the future.

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