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이성식(Sung-Sik Lee),천성기(Seong-Ki Cheon),이장호(Jang-Ho Lee),안인옥(In-Ok Ahn),신성련(Seong-Lyon Shin),최광태(Kwang-Tae Choi),이갑수(Gab-Soo Lee),이형식(Hyung-Sik Lee),정재동(Jae-Dong Chung) 고려인삼학회 2004 Journal of Ginseng Research Vol.28 No.4
This experiment was conducted to determine economic application method of Yakto among 6 application method: amount of Yakto application 3 plots(70ℓ, 25.5ℓ, 13.3 ℓ/kan), and added side dressing(3ℓ/kan) each plot. The reduced Yakto application(25.5ℓ/kan) with side dressing(3ℓ/kan) showed similar root diameter, fresh weight of roots and yield of good seedlings to standard Yakto application(70ℓ/kan). And also this application method of Yakto gave similar content of Ca and Mg, but the lower content of N, P, K in roots to standard Yakto application(70ℓ/kan). These suggested that 25.5ℓ Yakto application added side dressing(3ℓ/kan) per kan might be economical application method of Yakto.
약토 시용방법이 인삼 양직묘 지상부 생육에 미치는 영향
이성식(Sung-Sik Lee),천성기(Seong-Ki Cheon),이태수(Tae-Su Lee),윤종혁(Jong-Hyuk Yoon),박현석(Hyeon-Suk Park),신성련(Seong-Lyon Shin),최광태(Kwang-Tae Choi),이갑수(Gab-Soo Lee),주성돈(Seong-Don Ju),정재동(Jae-Dong Chung) 고려인삼학회 2004 Journal of Ginseng Research Vol.28 No.4
This experiment was conducted to determine the economic application method of Yakto among 6 application method: amount of Yak to application 3 plot(70ℓ, 25.5ℓ,13.3ℓ/kan;180cmx90cm), and added side dressing(3ℓ/kan) each plot. The reduced amoumt ofYakto application(25.5ℓ, 13.3ℓ/kan) were lower the contents of inorganic nitrogen, P₂O_5, K, Ca and Mg, but similar pH in bed soil compared with standard Yakto application(70ℓ/kan). Side dressing applicated on 29 May increased the contents of inorganic nitrogen, P₂O_5, K, Ca, Mg and salt concentration in bed soil compared with nonside dressing in each Yakto application plot(70ℓ, 25.5ℓ, 13.3ℓ/kan). The reduced amoumt ofYakto application(25.5ℓ/kan) added side dressing(3ℓ/kan) were similar the contents of inorganic nitrogen, K, Mg and salt but lower PPs and Ca in bed soil compared with standard Yakto application(70ℓ/kan) in June. The reduced amoumt of Yak to application(25.5ℓ/kan) added side dressing(3ℓ/kan) was similar the contents of P, K, Ca and Mg but lower N in leaves compared with standard Yakto application(70ℓ/kan). The reduced amoumt of Yakto application(25.5ℓ/kan) added side dressing(3ℓ/kan) was shorter stem length, and higher 5% chlorosis of leaf tip, but similar emergence ratio, survival ratio, leaf senescence ratio, chlorophyll, stem diameter and leaf area compared with standard Yakto application(70ℓ/kan). These suggested that 25.5ℓ Yakto application added side dressing(3ℓ/kan) per kan might be possible economical application method of Yakto.
이성형 ( Seong Hyung Lee ) 근역한문학회 2015 한문학논집(漢文學論集) Vol.40 No.-
鶴峯 金誠一(1538~1593) 燕行詩의 意境은 性理學的 修養論의 문제로 귀결되는데, 漢詩를 통해 성정 도야를 기약했던 자신의 한시관에 충실한 작시태도로 판단된 다. 또한 次韻詩가 적고 長篇詩가 많아서, 개인의 성정도야와 자연스러운 감정의 노 정에 적절했다. 학봉 연행시의 재도적 의경은 ``性理學的 性情 修養의 强調``와 ``性理學的 價値에 의한 人物 褒貶``으로 범주화할 수 있다. 먼저 개인적 수양의 측면으로는 忠孝兼全을 위 해 先公後私를 중시하였음을 볼 수 있다. 특히 長篇詩를 바탕으로 ``忠孝兼全``을 지향 하는 載道的 문학관에 충실한 작품 세계를 보였다. 다음으로 학봉은 스승인 退溪의 華夷觀을 계승하여 內聖外王을 통한 守在四夷를 지향했다. 학봉의 연행시에 城牆과 江河 등 경계공간에 華夷의 개념을 대입한 것은 華와 夷를 구별하여 夷狄을 辨斥하고 자 한 것이다. 그러나 궁극적으로 王道의 교화로 夷狄이 감화되어 城牆이 불필요한 상태를 지향했다. 학봉은 성리학적 가치를 바탕으로 역사적 인물을 褒貶하였다. 학봉은 역사적 사실 에 대하여 현상적인 문제가 발생하게 된 근본 원인을 규명하고 이에 대한 평가를 내렸는데, 그 귀결도 역시 修養의 문제였다. 또한 性理學的 歷史觀을 계승하였고, 하흠과 연계된 의무려산을 성리학적 表象으로 조성하였다. 학봉 연행시의 문학적 의의는 우선 성리학적 가치를 바탕으로 서술적이고 논리적인 성격의 송시풍을 추구한 학봉의 한시관과 효용론이 연행시의 의경에 충실히 구현 되었다는 점이다. 다음으로 학봉의 ``朝天紀行``은 조선 후기 ``續北征`` 같은 장편 연행시가 출현하게 된 배경을 보여주는 작품으로서 그 의의를 갖는다. Moral value intention of Yeonhaengsi(燕行詩) of Hakbong(鶴峯) Kim Seong Il(金誠一 ; 1538~1593) belongs to the issue of Confucian self-cultivation theory and is considered to be verse writing attitude faithful to his viewpoint on Chinese poetry who promises temperament cultivation through Chinese poetry. In addition, it was suitable for personal temperament cultivation and natural disclosure of emotion since it has a few poems imitating rhythms of other poems and many long poem. Moral value intention of Hakbong Yeonhaengsi(燕行詩) can be classified into ``emphasis of Confucian temperament cultivation`` and ``praise and blame of person by Confucian value``. First, in terms of personal cultivation, ``preceding private obligation with public affairs`` was emphasized for fidelity and filial duty. In particular, he showed the works faithful to moral value view of literature pursuing ``fidelity and filial duty`` based on long poem. Next, he pursued Sujesai(守在四夷) through a person with knowledge and virtue by inheriting the sense of Hwai(華夷觀) of Toegye(退溪) Lee Hwang(李滉), his teacher. Application of the concept of Hwai(華夷) to the boundary space such as growth and falling in Yeonhaengsi(燕行詩) was to oppose the foreign enemy by differentiating Chinese from foreigners. However, ultimately, he was touchedby the reformation of kingship and pursued the status not requiring wall of palace. Hakbong(鶴峯) praised and blamed historical figure based on Confucian values. He clarified fundamental causes of the historical fact, evaluated phenomenal issue, and concluded it with the issue of cultivation. In addition, he inherited the Confucian viewpoint of history and presented Ueimuryesan mountain(醫巫閭山 ) related to Haeum(賀欽) as the Confucian symbol. Literary meaning of Yeonhengsi(燕行詩) of Hakbong(鶴峯) is that utility theory and viewpoint of Chinese poems of Hakbong(鶴峯) pursing the poetical style of Song dynasty which was descriptive and logic based on Confucian value were faithfully implemented in the Yeonhengsi(燕行詩). Next, ``Jocheongiheng(朝天紀行)`` of Hakbong(鶴峯) is meaningful in that it showed the background when long poem such as ``Sokbukjeong(續北征)`` at the late Joseon dynasty appeared.
이성길(Seong-Kil Lee),박수강(Su-Kang Park),조금배(Geum-Bae Cho),백형래(Hyung-Lae Baek),김대곤(Dae-Gon Kim),김평호(Pyoung-Ho Kim) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
The conventional types of X -ray generators were bulky in physical size and heavy in weight, and the control accuracies of the output voltages were not always satisfactory.<br/> The high frequency switching inverter and converter technology on power conversion and control systems have been greatly closed up introducing power semiconductor devices. To decreasing the volume and the weight of high voltage transformer, and to stabilize ripple.<br/> In this paper, the newly developed x-ray generator in a low cost using duty modulation PWM inverter. This system verify improved performance by stabilize ripple of X-ray tube voltage and compared the reproducibility, linearity and dose in single phase, three phase and PSU.