• Title/Summary/Keyword: Weak Part

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TAE-YANG person's Hae-Yeok disease Investigation (태양인(太陽人) 해역병 고찰(考察))

  • Im, Gyu-Seong
    • Journal of Sasang Constitutional Medicine
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    • v.8 no.2
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    • pp.203-208
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    • 1996
  • Lee-Jae ma referred Hae-Yeok disease as a TAE-YANG person's peculiar disease in Dnoguisusaebowon. I looked around referred portion of Hae-Yeok disease in Internal Classic and the annotation of that part. As a result, newly emphasized stat of Hae-Yeok disease-that is "weak but not weak, strong but not strong" "the upper part of body is healthy, but the lower part is hae-yeok"-is not existed in Internal Classic itself. A person regarded as TAE-YANG person with Hae-Yeok disease is changed for the better by taking Ogapijangcheoktang. And as mentioned in Donguisusaebowon, rage, sorrow cause to appear and grow worse this dease.

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EXISTENCE OF THREE WEAK SOLUTIONS FOR A CLASS OF NONLINEAR OPERATORS INVOLVING p(x)-LAPLACIAN WITH MIXED BOUNDARY CONDITIONS

  • Aramaki, Junichi
    • Nonlinear Functional Analysis and Applications
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    • v.26 no.3
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    • pp.531-551
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    • 2021
  • In this paper, we consider a mixed boundary value problem to a class of nonlinear operators containing p(x)-Laplacian. More precisely, we consider the problem with the Dirichlet condition on a part of the boundary and the Steklov boundary condition on an another part of the boundary. We show the existence of at least three weak solutions under some hypotheses on given functions and the values of parameters.

Decision Criterion for Weak M-ary Signals: Part 2. Application to UWB Multiple Access Systems (약한 다진 신호에 알맞은 결정 기준: 2부. 초광대역 다중접속 시스템에의 응용)

  • Oh, Jong-Ho;Lee, Ju-Mi;Bae, Jin-Soo;Koo, Jin-Kyu;Song, Iick-Ho
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.31 no.1C
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    • pp.1-7
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    • 2006
  • Based on the new detection criterion proposed in Part 1 for the detecton of weak M-ary signals, a detection scheme for ultra wideband multiple access systems is investigated in the presence of impulsive interference. Simulation results show that the proposed detector, requiring less complexity, possesses almost the same performance as the maximum likelihood detector. In impulsive interference, the proposed detector also offers performance improvement over the detector optimized for Gaussian environment.

DECAY RESULTS OF WEAK SOLUTIONS TO THE NON-STATIONARY FRACTIONAL NAVIER-STOKES EQUATIONS

  • Zhaoxia Liu
    • Bulletin of the Korean Mathematical Society
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    • v.61 no.3
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    • pp.637-669
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    • 2024
  • The goal of this paper is to study decay properties of weak solutions to Cauchy problem of the non-stationary fractional Navier-Stokes equations. By using the Fourier splitting method, we give the time L2-decay rate of weak solutions, which reveals that L2-decay is generally determined by its linear generalized Stokes flow. In second part, we establish various decay results and the uniqueness of the two dimensional fractional Navier-Stokes flows. In the end of this article, as an appendix, the existence of global weak solutions is given by making use of Galerkin' method, weak and strong compact convergence theorems.

Decision Criterion for Weak M-ary Signals: Part 1. The Criterion and Decison Regions (약한 다진 신호에 알맞은 결정 기준: 1부. 결정 기준과 결정 영역)

  • Park, So-Ryoung;Koo, Jin-Kyu;Oh, Jong-Ho;Kwon, Hyoung-Moom;Song, Iick-Ho
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.30 no.9A
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    • pp.705-713
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    • 2005
  • A novel decision criterion for weak M-ary signals is proposed in this paper. In the sense of minimizing the error probability, the proposed decision criterion is optimum when the signal strength approaches zero. In Part 1, the proposed detection criterion is proposed and investigated in detail, some interesting properties of the proposed decision criterion are described, and examples of decision regions are obtained. Based on the proposed detection criterion, a detection scheme for ultra wideband multiple access systems is investigated in the presence of impulsive interference in Part 2.

Power stage for Contact-less Induction Charging (비접촉식 충전기의 전력 전달부 설계)

  • 이민철;최배근;홍영욱;조규형
    • Proceedings of the IEEK Conference
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    • 2003.07c
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    • pp.2939-2942
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    • 2003
  • A new contactless Li-ion battery charging system was proposed. The conventional methods for charging Li-ion battery have some weak points. For example, there can be a contact failure, a poor waterproof, and a difficulty to standardize the battery charging systems. The new proposed system can overcome these weak points. The new charging system is composed of power transfer part and data transfer part. This paper focuses on the power transfer part for contactless battery charging. The power stage is mainly composed of PPRC(Push-pull Parallel Resonant Converter) and flyback converter. The new method of chaging Li-ion battery was proposed and PPRC + flyback-boost topology was analyzed. The proposed toplogy was tested under the constant voltage control and the constant current control which are adequate for charging Li-ion battery.

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Evaluation on Damage Weak Part of Rail Fastening System for Concrete Tracks (콘크리트 궤도용 탄성레일체결장치 손상취약부 분석)

  • Choi, Jung-Youl;Kim, Sang-Jin;Chung, Jee-Seung
    • The Journal of the Convergence on Culture Technology
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    • v.8 no.3
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    • pp.265-270
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    • 2022
  • The purpose of this study is to derive the damage weak part of the elastic rail fastening system for concrete tracks (System 300-1). In the concrete tracks, the elastic rail fastening system sticks the rail and the sleeper and reacts all the time when the train is running. Among the components of the rail fastening system, the resilience pad and tension clamp were fatigue members and were constantly deformed in response to compressive and uplift forces. In this study, the residual deformation characteristics of the tension clamp according to the period of use were analyzed using by specimens taken on site in the same section for 6, 11, and 16 years on the serviced urban transit. In addition, the damage mechanisms for each component were derived based on finite element analysis. As a result of the numerical analysis, the stress (strain) of each part of the tension clamp according to the external force from the applied clamping force was analyzed to derive the damaged weak part of the tension clamp.

Self-controller of Saam Acupuncture Viewed from the Aspect of the Five Viscera Interaction (오장상섭(五臟相涉)의 측면에서 살펴본 사암침법(舍岩鍼法)의 억관(抑官)과 보관(補官))

  • Oh, Jun-Ho
    • Korean Journal of Acupuncture
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    • v.28 no.3
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    • pp.127-140
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    • 2011
  • Objectives : The aim of this study is to regulate the medical meaning about Kwan [self-denial] which is used by Jeongkyeok [reinforcing the weak body part] and Seungkyeok [consolidating the weak body part while inducing cathartic action of comparatively stronger body part] of Saam Acupuncture in common. Methods : This study generalized the method of understanding 'The Five Viscera Interaction' in Oriental Medicine from the perspective of literature and considering human organs in the medical context. Results and Conclusions : 1. There existed 'The Five Viscera Interaction' theory regulating the correlation between the five viscera headed by "Nankyeong" in the traditional Oriental medicine. The five viscera interaction theory was used as the standard of judging the symptom and the prognosis of a disease in the history of Oriental medicine and further used even as the method of preventing and treating diseases. 2. The treatment included in "Biyebaekyobang", a medical book in the period of Goryeo, can be rated as the most developmental form of medical theory which applied 'the five viscera interaction theory' to clinical treatment. The author of "Biyebaekyobang" managed to break away from the schematism of the five viscera interaction through the method of treating two internal organs using one organ treatment and applying the individually different relations between organs. "Biyebaekyobang" shows close similarities to Saam Acupuncture. 3. The organs handled in Saam Acupuncture has a significance in that it put forward the part which had not been aggressively dealt with in medical history up until then.

Field Observations and Hydraulic Model Experiments of Tidal Currents in Chinhae Bay (진해만 조류의 현장관측 및 수리모형실험)

  • CHANG Sun-Duck;KIM Cha-Kyum;LEE Jong-Sup
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.26 no.4
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    • pp.346-352
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    • 1993
  • Tidal currents and tidal residual currents in Chinhae Bay are investigated by the field observations and hydraulic experiments during the spring tide and neap tide. The horizontal and vertical scales of the model are l/2,000 and 1/159, respectively. The hydraulic model results roughly coincide with the field data. Maximum tidal currents during the spring tide and neap tide in the central channel of Chinhae Bay are strong as about 90 and 30cm/s respectively, and strong tidal residual currents take place. Maximum tidal currents during the spring tide and neap tide in the western and northern part of the bay are weak as below 30 and 10cm/s respectively, and also tidal residual currents are weak. Tidal residual currents rotating clockwise occur in the central part of the bay. Northward tidal residual currents in the northern part of Kajo-do are predominant, whereas southward ones in the southern part of Kajo-do are remarkable. The surface currents in the bay depend strongly on the wind and river flow, and it seems to be remarkable during the neap tide.

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CASE STUDY ON SEVERELY-DAMAGED REINFORCED EARTH WALL WITH GEO-TEXTILE IN HYOGO, JAPAN Part II: Numerical simulation into causes and countermeasures

  • Hur, Jin-Suk;Kawajiri, Shunzo;Jung, Min-Su;Shibuya, Satoru
    • Proceedings of the Korean Geotechical Society Conference
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    • 2010.09c
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    • pp.11-17
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    • 2010
  • Numerical analysis was carried out in order to simulate the development of the large deformation that took place on the reinforced earth wall, a part of the Tottori expressway planned to pass Hyogo, Japan. Since this reinforced earth wall had experienced unexpected deformation of the wall during construction, the wall was re-constructed twice. However, the wall deformation showed no sign to cease even at the final stage of the construction. Countermeasures to re-stabilize the wall were demanded. In part I of this paper, it was manifested that subsidence of a 3-meter weak soil due to seepage flow was responsible for the large deformation. A part of concrete panel wall was severely damaged due to extremely large pulling force of geotextile induced by the hammock state. As for the countermeasures, "grouting with slag system" was applied to fill voids of the backfill, and also to prevent further development of settlement in the weak soil layer. "Ground anchor" was also considered to achieve the prescribed factor of safety.

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