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이정일,임재훈,이창홍,민영일,유지홍,임규성 대한소화기내시경학회 1981 Clinical Endoscopy Vol.1 No.1
We analyzed ERCP findings of 15 patients with clonorchiasis, that were confirmed by stool examination and operation from May, 1976 to September, 1980. The results were as follows. 1) Filling defects due to adult worm of clonorchis sinensis were significant direct findings of clonorchiasis. 2) Irregular stenosis, fuzziness, raggedness, peripheral dilation and disturbance of peripheral filling of intrahepatic bile ducts were significant indirect findings of clonorchiasis. 3) ERCP was excellent method to evaluate biliary tree in patients with clonorchiasis, who showed obstructive jaundice.
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섬유아세포의 이동과 교원질 겔의 수축에 미치는 일산화질소의 영향
이정일,이수윤,김재우,Jeong Il Lee,Soo Yoon Lee,Jae Woo Kim 대한안과학회 2008 대한안과학회지 Vol.49 No.4
Purpose: To investigate the role of nitric oxide (NO) on the migration of cultured human Tenon’s capsule fibroblasts (HTCF) and contraction of collagen gel. Methods: After artificial wounding, the primarily cultured HTCF were exposed to an NO donor such as sodium nitroprusside (SNP), S-Nitroso-N-acetylpenicillamine (SNAP), or dexamethasone at various concentrations. The cellular migration was measured up to five days. After embedding the cells in the collagen gels, the amount of contraction by the gels was also measured. Cellular survival and NO production were measured with MTT assay and Griess assay, respectively. Results: Cellular survival was decreased by both NO donors but not by dexamethasone. SNP inhibited migration of HTCF in a dose-dependent manner and enhanced contraction of collagen gels. However, SNAP had no effect on the cellular migration or gel contraction. Dexamethasone inhibited cellular migration but did not affect the contraction of collagen gels. Conclusions: Among the NO donors, only SNP inhibited migration of HTCF and enhanced contraction of collagen gels in vitro. Thus, the effects between the two NO donors on fibroblast‐induced wound healing differ.
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땅콩의 초형별 생태적 특성에 관한 연구 IV. 비닐피복재배가 초형별 생육에 미치는 영향
이정일,박용환,박연규,Lee, Jung-Il,Park, Yong-Hwan,Park, Yeon-Kyu 한국작물학회 1986 한국작물학회지 Vol.31 No.3
This study was conducted to investigate the growth characteristics for each of botanical types of peanut (Arachis hypogaea L.) under vinyl-and non-mulching in cultural limiting region. Ten peanut varieties pertaining to virginia-large seed, virginia-small seed, spanish, valencia, shinpung type were used in this study. Main stem length was in order of valencia, spanish, virginia-small seed, shinpung, virginia-large seed type under vinyl-and non-mulching. By vinyl-mulching, the maximum growth stage of main stem was shortened by 20 days than that of non-mulching. Number of branches per plant was distinguished among botanical types. Numbers of those were virginia-small seed 28, virginia-large seed 27, shinpung 15, spanish 13, valencia 7 under vinyl-mulching and were virginia-small seed 22, virginia-large seed 21, spanish 12, spinpung 12, valencia 5 under non-mulching. The longeset branch length was in order of valencia, spanish, spinpung, virginia-large seed, virginia-small seed type under vinyl-and non-mulching and velencia type was the longest of the botanical types.
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임진왜란 시기 조선의 대일 육상 전력 강화-1596년 강화협상 결렬 전후를 중심으로
이정일 동북아역사재단 2022 東北亞歷史論叢 Vol.- No.76
For three months since the Imjin War began, the Chosŏn armies learned the harsh lesson that the Japanese armies were not a merely manageable enemy that could be knocked out through one or two big field battles. At the same time, the Chosŏn armies also witnessed the tactical mistake made by their enemy whose overly deep penetration into the inland areas of the Chosŏn territory inadvertently left themselves susceptible to isolation with an overextended (about 520 kilometers) front from Pusan to Seoul to Pyŏngyang · Hamhŭng. After the second half of 1592, the Chosŏn military pursued a comprehensive tactical measure against the Japanese armies that would engage themselves in attrition warfare able simultaneously to resolve their shortage of military supplies, including provisions, within the territory of Chosŏn proper and maintain their unexpectedly expanded battlefield. In this article, I explore how the Chosŏn court and military prepared the anti-Japanese countermeasures even before the large-scale overseas deployment of the Ming armies in the beginning of 1593 and sought for the strengthening of their own military power in the middle of the peace negotiations between the Ming and Japan after the first quarter of 1593. In specific, what emerged as the fundamental solution for how to strengthen the anti-Japanese combat power of ground force was a set of regional defense, or 1) mountain fortification (設險), such as mountain fortress or mountain barricade, in terms of maximizing the capacity of natural defense and 2) scorched earth policy (淸野) in terms of blocking completely any access to supply sources for local procurement of the Japanese armies. Moreover, not only joint operations (掎角) within the troops of a province and among the troops of multiple provinces, but also ambush (要害), geared towards surprise attack, encirclement or obstruction, were brought out as a set of mobile defense intended to complement the regional defense as above. This approach will enable us to chart further research that probes how the Chosŏn court and military made effort to increase the anti-Japanese defensive power, centered on combat strength of Chosŏn armies, examine what kinds of military tactics the Japanese armies employed for a new offensive as opposed to Chosŏn, and shed light on internal structures of the Imjin War as an international war in Northeast Asia at that time.
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이정일 대한안전경영과학회 2013 대한안전경영과학회 학술대회논문집 Vol.2013 No.04
Large and complicated firefighting environment is accelerating in the early activities in the field of fire officials at the time limit situation leads to people's lives and property damage, as well as the loss of the Fire Service. Therefore, the state-of-the-art technology that can respond to rapidly changing fire environment urgently in the field of fire fighting have been introduced should be utilized. These intelligent firefighting robots build daegukmin firefighting safety net that can be used when. Other advanced technology industries, the most effective ways that can be introduced into the firefighting shall be provided in the current situation of the industry's initial firefighting robots.
KCI
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