• Title/Summary/Keyword: Chun-Kwang

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A Computational Analysis of Water-Hammer (수격현상에 대한 수치적 고찰)

  • Chun, Kwang-Min
    • The Magazine of the Society of Air-Conditioning and Refrigerating Engineers of Korea
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    • v.11 no.1
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    • pp.1-10
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    • 1982
  • The water-hammer phenomena caused by pump power failure are analysed by digital computer. Asan cool ins water pipe system has been chosen as a model. It is Shown that after power failure the pressure at the pump outlet drops sharply, and to prevent reverse flow, either butterfly valve or check valve can be used. After the valve closure, pressure oscillates behind the valve. To weaken the pressure wave, it is recommended to install a servo-operated valve in a bypass Line around the pamp and the check valve.

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Influence of Hwanhonsan Extract against Chemically Induced and Xenografted Mice Tumor (환혼산(還魂散)이 실험적(實驗的)으로 유발(誘發)한 종양(腫瘍)에 미치는 영향(影響))

  • Song, Hyo-Won;Ryu, Do-Gon;Cho, Dong-Ki;Um, Sang-Sub;Kang, Sung-Do;Go, Jeoin-Soo;Sung, Yeun-Kyung;Yun, Young-Gap;Cho, Nam-Su;Lee, Chun-Woo;Kang, Soon-Soo
    • Journal of Oriental Physiology
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    • v.14 no.2 s.20
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    • pp.229-237
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    • 1999
  • Hwanhonsan has been used for curing tumor as a Oriental medicine without any experimental evidence to support the rational basis for their clinical use. This experiment was carried out to evaluate the possible therapeutic or antitumoral effects of Hwanhonsan extract against cancer, and to study some mechanisms responsible for its effect. Some kind of tumors were induced by the typical application of 3-methylcholanthrene(MCA) or by the implantation of malignant tumor cells such as leukemia cells(3LL cells) or sarcoma cells(S180 cells) and FasII cells. Treatment of the Hwanhonsan extract(daily 1 mg/mouse, i.p.) was continued for 7 days prior to tumor induction and after that the treatment was lasted for 20 hrs. Against squamous cell carcinoma induced by MCA, Hwanhonsan decreased. not only the frequency of tumor production but also the number and weight of tumors per tumor bearing mice(TBM). Hwanhonsan also significantly suppressed the development of 3LL cells and S180 cells implanted tumors by frequency and their size, and some developed tumors were regressed by the continuous treatment of Hwanhonsan extract into TBM. However, when tumor was induced by FsaII cells implantation, the growth of implanted cells in mice was delayed by the water extract of Hwanhonsan until 7 days and then rapid growth ensued. In vitro treatment of Hwanhonsan extract had no inhibitory effect on the tumor induced by some kind of cell lines such as A431 cells strain but it significantly inhibited the proliferation of 3LL cells, S180 cells. These results suggested that Hwanhonsan extract exhibited a significant prophylactic benefits against tumors and its antitumor activity was manifested depending on the type of tumor cells.

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Study on relationship between "cholestrol·cardiorenal connective tissue weakness type" and TNF-alpha gene polymorphism in iris constitution analysis (홍채체질 분석에서 콜레스테롤·심신이 약한 체질과 TNF-alpha 유전자 다형성과의 상관성 연구)

  • Yoo, Chun-sang;Hwang, Woo-jun;Kim, Kyung-sik;Choi, Sung-yong;Kim, Jong-uk
    • Journal of Acupuncture Research
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    • v.21 no.2
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    • pp.89-101
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    • 2004
  • 홍채학은 대체의학의 한 분야로서 홍채 침착의 불규칙성을 주시함으로써 의학적 상태를 진단한다. 홍채학적 분류에 의한 체질은 가족력을 보이고 있으며 이는 홍채체질의 유전성을 의미한다. 강력한 면역조절자이며 전 염증성 사이토카인인 종양괴사인자(tumor necrosis factor-a, TNF-${\alpha}$)는 많은 병리적 과정에서 중요한 역할을 한다. 따라서 본 연구자는 고혈압환자에서 홍채체질과 TNF-${\alpha}$ 유전자 다형성과의 관련성을 조사하였다. 87명의 고혈압 환자와 79명의 정상인을 홍채체질에 따라 분류하였으며 이들의 TNF-${\alpha}$ 유전자형을 분석하였다. 결과적으로 정상인에 비하여 TNF-${\alpha}$ GA 이형접합체의 빈도가 고혈압 환자군에서 감소하였다. 이 같은 결과는 TNF-${\alpha}$ 다형성이 고혈압에 대한 저항성과 관련 있음을 의미한다. 또한 고혈압환자에서 콜레스테롤 침착체질과 심신 결합조직 허약 체질은 42.5%로서 정상인 16.5%에 비하여 현저하게 증가하였다 (P<0.001). GG TNF-${\alpha}$ 유전자형을 갖고 있는 군에서 심신 결합조직 허약체질과 콜레스테롤 침착체질의 빈도는 정상인보다 환자에서 유의하게 높았다(P<0.001). 본 연구에서 저자는 홍채체질과 고혈압사이의 관련성을 발견함과 동시에 TNF-${\alpha}$ 유전자 다형성과 고혈압, 그리고 홍채 체질과의 관련성을 최초로 입증하였다.

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A Case Report for subject symptom and WBC numerical index change of non-bacterial chronic prostatis disease by Bojungiki-Tang (보중익기탕가미방으로 치료한 만성 비세균성전립선염환자의 자각증상 및 백혈구수치변화에 대한 치험 1례)

  • Cho Cheol-Jun;Koo Chang-Mo;Kim Jin-Won;Lee Seung-Jin;Sun Jung-Ki;Park Yang-Chun;Bae Han-Ho;Lee Joung-Eun;Han Young-Joo;Lim Do-Hui
    • The Journal of Internal Korean Medicine
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    • v.25 no.1
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    • pp.149-157
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    • 2004
  • The chronic non-bacterial prostatis disease is relatively incurable, chronic and recurrent. Due to its prostatis barrier, chronic non-bacterial prostatis disease is difficult to be penetrated with Medicine. Nevertheless, we obtained the desired results using the method of iki action by Bojungiki-tang. The purpose of this study is to evaluate the effect of treatment and change of WBC numerical index using Bojungiki-tang. We investigated one chronic non-bacterial prostatis disease for about one year with NIH chronic prostatis symptom index, expressed prostatic secretion(EPS). After the treatment, symptom index score was decreased from 27 to 1. Also WBC numerical index by EPS test was decreased to zero. These results indicate that oriental medical therapy is effective in treating chronic non-bacterial prostatis disease. Therefore further study of the effect of herb-medicine is necessary.

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The Clinical study of acupuncture and moxibustion therapy on $ch'{\check{o}}nch'u(ST25)$ for constipation (변비(便秘)에 대한 천추혈(天樞穴) 침구치료(鍼灸治療)의 임상적(臨床的) 연구(硏究))

  • Lim Chun-Woo;Park Won-Tae;So Woong-Ryong;Song Min-Ju;Kim Youn-Sub;Kang Suk-Il
    • Journal of Acupuncture Research
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    • v.18 no.6
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    • pp.125-134
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    • 2001
  • Objective : Clinical study of acupuncture and moxibustion therapy on $ch'{\check{o}}nch'u(ST25)$ for treatment of constipation Methods : Comparison study after the acupuncture and the moxibustion treatment to the 41 people who were visiting patients of Kwangdong Oriental Medicine Hospital between 10/1/2000 and 4/17/2001. Results : 21 patients turned out to be in the defecation group and 9 patients in the non-defecation group out of 30 patients who were treated by acupuncture among 41 patients(Defecation effect 70%). 7 patients turned out to be in the defecation group and 4 patients in the non-defecation group out of 11 patients who were treated by moxibustion among 41 patents(Defecation effect 63.64%). In the states of defecation in the group performed the acupuncture, the good excrements like soft and watery-soft consist in 30.4%. In the group performed moxibustion therapy occupied 45.5%. Comparatively the good excrements was shown. Conclusion : The patients who are excessive were more effective than those who are deficient in defecation by acupuncture treatment and the patients who are deficient were more effective than those who are excessive in defecation by moxibustion treatment.

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