• Title/Summary/Keyword: Sole

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Effects of seasonal variations in temperature and transport stressor on blood protein and glucose concentrations in wild teleosts of marbled sole(Limanda yokohamae) and greenling(Hexagrammos otakii)

  • Kim, Ki-Hong;Ahn, Kyong-Jin;Kwon, Se-Ryun;Huh, Sung-Hoi
    • Journal of fish pathology
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    • v.14 no.1
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    • pp.54-58
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    • 2001
  • The seasonal trends of plasma protein and glucose concentrations in marbled soles(Limanda yokohamae) and greenlings(Hexagrammos otakii), and the influence of transport stressor on those levels were investigated. Total plasma protein levels of marbled soles and greenlings in late spring and summer were significantly higher than those in winter(January). Plasma glucose levels were consistently increased according to elevation of water temperature both in marbled soles and greenlings. Transport stressor gave rise to decrease of plasma protein levels and increase of blood glucose levels.

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A Mechanism to Derive Optimal Contractor-type & Action Comginations of a Single-source Procurement Contract

  • 정승호
    • Journal of the Korean Operations Research and Management Science Society
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    • v.24 no.2
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    • pp.41-51
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    • 1999
  • In sole-source procurement contraction for government goods and services, the buyer (government) needs to derive the optimal actions from the contractor so the buyer can obtain the maximum utility and the contractor, or single-source supplier, is guaranteed the equivalent of a minimum level of profit. Under the assumption of risk-neutrality for both the buyer and the contractor and the buyer's unobservability of the contractor's action, it is necessary for the buyer to design a (mathematical) model to achieve the above objective. This paper considers the mathematical formulation in which two problems - moral hazard and adverse selection - are present simultaneously; furthermore, from the formulation, a GAMS (General Algebraic Modeling System) program is used for a possible buyer to obtain the optimal actions.

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Studies on the Bacterial Production of L-Glutamate from Acetate Part I. Screening and Identification of L-Glutamate Producing Bacteria. (초산을 이용한 글루타민산의 발효생산에 관한 연구 제 1보 글루타민산 생산균주의 분리 및 동정)

  • 하덕모;노완섭
    • Microbiology and Biotechnology Letters
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    • v.2 no.2
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    • pp.103-109
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    • 1974
  • In the cource of the studies on L-glutamic acid production from acetic acid, 383 strains capable of assimilating acetate as sole source of carbon were isolated from 279 kinds of soil sample. Out of them, 5 strains which produced relatively larger amount of L-glutamate from acetate were selected and named Brevibacterium flavum nov. sp. D1005B, Corynebacterium glutamicum nov. sp. D1025A, Brevib. flavum nov. sp. D2209B, Coryneb. acetoacidophilum nov. sp. D2212B and Coryneb. acetoacidophilum nov. sp. D2349A respectively.

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Intragenic Suppressors for Expory-defective Signal Sequence Mutation of Ribose-binding Protein in Escherichia coli (대장균 리보스 결합단백질의 신호배열 변이에 대한 숙성체 부위의 회복돌연변이)

  • 이영희;송택선;김정호;박순희;박찬규
    • Korean Journal of Microbiology
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    • v.29 no.5
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    • pp.270-277
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    • 1991
  • A mutational alteration in the signal sequence of ribose-binding protein (RBP) of Escherichia coli, rbsB103, completely blocks the export of the protein to the periplasm. Intragenic suppressors for this mutation have been selected on minimal medium with ribose as a sole carbon source. Six suppressor mutations were characterized in detail and were found to have single amino acid wubstitution in the mature portion of RBP, which resulted in the mobility shift of the proteins on SDS polyacrylamide gel. Amino acid changes of these suppressors were localized in several peptides which are packed to form the N terminal domain of typical bilobate conformation of RBP. The involvement of SecB, a molecular chaperone, was investigated in the suppression of signal sequence mutation. Translocation efficency was found to be increased by the presence of SecB for all suppressors. It is likely that the folding characteristics of RBP altered by the suppressor mutations affect the affinity of interaction between SecB and RBP.

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Effects of Environmental Factors on Degradation of Aroclors by Gram-negative Bacteria (Gram 음성세균에 의한 Aroclor 분해에 미치는 환경요소의 영향)

  • 김치경;김문식
    • Korean Journal of Microbiology
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    • v.28 no.2
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    • pp.145-150
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    • 1990
  • The effects of environmental factors on degradation of Aroclor 1242 were investigated with four Gram-negative bacterial isolates. Their biodegradabilities of the Aroclor were well correlated to their growth rates on the Aroclor added as a sole carbon and energy source. The optimum concentration of the Aroclor for biodegradation of the substrate in MM2 medium was 0.5mg/ml in HK-100, HK-123, and MS-1003 strains, but 1 mg/ml in DJ-26 strain. The optimum temperature and pH were $30^{\circ}C$ and 7.0, respectively, for all the strains. On the basis of the results which the strain of DJ-26 showed the highest degradability of the Aroclor as well as the highest growth rate under the optimum environmental conditions, the bacterial isolate identified as Pseudomonas sp. was found to be a strain usable for treatment of the toxic and recalcitrant chemical pollutants, such as polychlorinated aromatic hydrocarbons.

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Enterobacter sp. JE-1에 의한 Congo Red의 생분해

  • 공은진;김종수
    • Journal of Environmental Science International
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    • v.7 no.4
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    • pp.473-480
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    • 1998
  • The bacterial strain JE-1 degrading and utilizing Congo Red as a sole carbon source was isolated from dye-contaminated soul and Identified as Enterobacter species. Enterobacter sp. JE-1 had the highesc decolorization ability when It was cultured In the medium containing 0.05% $NH_4N0_3, 0.05% K_2HP0_4, 0. 03%$ $MgSO_4$, $7H_2O$, 0.025% Congo Red, initial pH 7.0 at $30^{\circ}C$, respectively Enterobacter sp. n-1 had the relatively high substrate specificity. The dye decolorizing activity was exclusively extracellular. The expected metabolic intermediates of Congo Red by Enterobacter sp.15-1 were analyzed by GC/MS. As a result. metabolic products like hauadecanoic acid, 1, 2, 3-triphenylcyclopropene, aliphatic hydrocarbons butylester were detected. Benzldine 616 not detected.

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An Operating Strategy of In-house Power Supply Systems in the Permanent Shutdown Nuclear Power Plant (원자력발전소 영구정지 시 소내전력공급계통 운영방안)

  • Lim, Hee-Taek;Lee, Kwang-Dae;Jeon, Dang-Hee;Youn, Jong-Hyun;Joo, Ik-Deok
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.67 no.2
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    • pp.337-342
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    • 2018
  • Spent fuel is moved from the reactor into the spent fuel pool when nuclear power plant permanently shutdown. The sole function of a permanently defueled facility is to store spent fuel in a quiescent state. The function of electric system and loads are reduced. It is necessary to establish an operating strategy of electric system in the permanent shutdown nuclear plant. This paper reviews required loads and design criteria considering transition to permanent shutdown. An operating strategy of onsite electric system is proposed considering decommissioning strategy and stage of defueled condition.

Biomechanical Gait Analysis and Simulation on the Normal, Cavus and Flat Foot with Orthotics (Orthotics 착용에 따른 정상, 요족, 평발의 생체역학적 보행분석 및 시뮬레이션)

  • Lee, Jung-Hyun;Lee, Jae-Ok;Park, Soung-Ha;Lee, Young-Shin
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.31 no.11
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    • pp.1115-1123
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    • 2007
  • The foot plays an important role in supporting the body and keeping body balance. An abnormal walking habit breaks the balance of the human body as well as the function of the foot. The foot orthotics which is designed to consider biomechanics effectively distributes the load of the human body on the sole of the foot. In this paper, gait analysis was performed for three male subjects wearing the orthotics. In this study, three male subjects were selected. The experimental apparatus consists of a plantar pressure analysis system and digital EMG system. The gait characteristics are simulated by ADAMS/LifeMOD. The COP (Center of Pressure), EMG and ground reaction force were investigated. As a result of gait analysis, the path of COP was improved and muscle activities were decreased with orthotics on the abnormal walking subjects.

A Study on the Development of Shoe Outsole Mold for Flash-less (플래시 발생 억제형 신발 밑창 금형 개발에 관한 연구)

  • Hur Kwan Do;Yeo Hong Tae;Choi Young
    • Journal of the Korean Society for Precision Engineering
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    • v.22 no.1
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    • pp.103-108
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    • 2005
  • In this study, to develop a flash-less mold for forming of shoe-outsole, experiments and forming analysis were carried out. In order to reduce the extra-materials, offset method and mass distribution method are used in the preform design. The vertical mold structure pressing the preform was introduced to produce a flash-less shoe-sole. To measure the contact status of parting surface of mold, the pressure film has been used. The guide-gutter system and the continuous pressing mold have been developed for the discharge of extra-materials and re-pressing. By the investigation, flash of shoe-outsole was considerably reduced.

Dynamic Analysis of tractor frame analysis and test results (트랙터 프레임의 동특성 해석 및 시험결과 분석)

  • Ahn, Tae-Kil;Park, Young-Ji;Kim, jung-ho;Kim, sang-gyun
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2014.04a
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    • pp.566-568
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    • 2014
  • The phenomenon that it becomes the damage to the object occurs due to the resonance. I found out the sole vibration frequency at the tractor frame through the finite element analysis and extended the life of the tractor and tested a stability in order to prevent that damage. The results of the experimental and theoretical values were satisfactory, thereby the object of the experiment do not have a theoretical value to find out a problem of vibration was able to grasp.

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