• Title/Summary/Keyword: Cheong Ryeong Yeon

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Review on the Name of TE11 (청냉연(TE11) 혈명에 대한 고찰)

  • Jung, Hyun Jong;Koo, Sungtae
    • Korean Journal of Acupuncture
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    • v.37 no.4
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    • pp.271-275
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    • 2020
  • Objectives : The acupoint TE11 (cheongnaengyeon; CNY) firstly appeared in the ≪A-B Classic of Acupuncture and Moxibustion (AB Classic)≫. The name CNY is known to be originated from an ancient deep pool described in the book of ≪Chuangtzu (Jangja in Korean)≫. Description of the name, however, was not found in a single form in the book of ≪Chuangtzu≫ and its annotated books which made a confusion. The aim of the present study is to review the name of TE11 in terms of its origin. Methods : We have compared printed editions of ≪Chuangtzu≫ and its annotated books and various acupuncture classics including ≪AB Classic≫, ≪Essential Prescriptions Worth a Thousand Gold for Emergencies (Essential Prescriptions)≫, ≪Illustrated Manual of Acupuncture Points of the Bronze Figure (Illustrated Manual)≫, ≪Collection of Gems of Acupuncture and Moxibustion (Collections of Gems)≫, and ≪Complete Compendium of Acupuncture and Moxibustion (Complete Compendium)≫. Results : The name of ancient deep pool was found in two different forms in the book of ≪Chuangtzu≫ and its annotated books. One was CNY, the other was Cheong Ryeong Yeon (CRY). The description in the ≪Chuangtzu≫, the source book, was CRY. In addition, the acupoint TE11 was described as CRY in the ≪AB Classic≫, Cheong Ryeong Cheon in the ≪Essential Prescriptions≫. Meanwhile, the point was described as CNY in the ≪Illustrated Manual≫, the ≪Collections of Gems≫ and the ≪Complete Compendium≫. Conclusions : Data suggest that the original description was CRY and a mix of CNY and CRY as a name of TE11 was used. The Korean standard name of TE11 should be changed as CRY.

Dynamic characteristics of TbFeCo Magneto-Optical recording media at 680nm wavelength region (680nm 파장에서 TbFeCo 광자기 기록매체의 동특성)

  • Yoon, Doo-Won;Yeon, Cheong;Kim, Myong-Ryeong
    • Electrical & Electronic Materials
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    • v.8 no.5
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    • pp.558-563
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    • 1995
  • Dynamic characteristics of TbFeCo magneto-optical recording media at 680nm wavelength region were studied by means of computer simulation of disc structure and optimization of process variables during sputter deposition. With the slightly reduced Kerr rotation angle due to the reduced wavelength of optical laser source, the improved recording density in TbFeCo magneto optical media showing the CNR greater than 50dB could be achieved by only adjusting the thickness of dielectric and the recording layers when the wavelength of light source is changed from 780nm to 680nm. In addition, the recording power margin of 5mW and the 2mW minimum recording power was realized, It was shown from the present study that the increase in laser power density demonstrated feasibility of low cost and low power laser diode with the reduced optimum recording power.

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The Differences of Rice Growth and Yield at Various Agroclimatic Regions in Chungnam Province (충남지역 농업기후 지대별 벼 생육 및 수량 변이)

  • Choi, N.G.;Park, J.H.
    • Journal of Practical Agriculture & Fisheries Research
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    • v.20 no.1
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    • pp.163-174
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    • 2018
  • Rice cultivation is immensely affected by many climatic factors including temperature, precipitation, etc, and imbalanced climatic conditions negatively affect the growth of rice. In this study, we investigated the effects of different agroclimatic zones of Chungnam Province on rice quality and examined the correlations between climatic characteristics and rice yield components. Average temperatures and rainfall were higher in 'Western Sobaek Inland' than those in the 'South Western coastal zone, and precipitation records showed a wide variation among counties due to typhoons during the examined periods. The average accumulative temperature affecting the magnitude of production during reproductive growth periods was higher in "Cheon-An", "Gong-Ju", "Yeon-Gi (Se-Jong)", "Bo-Ryeong", and "Dang-Jin" counties than those in other counties. The plant height was higher in 'Western Sobaek Inland' counties such as "Yeon-Gi(Se-Jong)" and "Cheon-An", and 'Southern Charyeong Plain' counties such as "Cheong-Yang", "Dang-Jin", and "A-San", than those in other counties. The number of tillers during the 40 days after rice transplantation in "Seo-Cheon" and "Bo-Ryeong" counties increased compared to other counties. This result was relevant to the fact that the date of rice transplantation in those counties was 3 to 4 days later than those in other counties of Chung-Nam Province. The average yield (milled rice basis) was the highest in 'Western Sobaek Inland' zone, showing 3,756 kg ha-1, followed by 'Southern Charyeong Plain' zone showing 3,621kg ha-1, and was the lowest in 'South Western coastal zone by 3,315kg ha-1. "Yeon-Gi(Se-Jong)" and "Dang-Jin" counties showed the highest yields of 4,100kg ha-1. "Seo-San", "Seo-Cheon", and "Tae-An" counties were relatively lower yields of 3,240~3,280kg ha-1 in comparison of other counties.