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Pyriminobac-methyl과 azimsulfuron 합제의 신규제형인 분산형 정제에 대한 독성 평가
백경진,이동연,이상훈,김태원,정두순,임종환,김명석,박병권,윤효인 충남대학교 수의과대학 동물의과학연구소 2004 動物醫科學硏究誌 Vol.12 No.-
Dispersible tablets disintegrate either to form a stabilized suspension rapidly in water, or to disperse instantaneously in the rice field without the aid of water. In this study, the newly formulated dispersible tablet form of herbicidal combination, pyriminobac-methyl and azimsulfuron, was evaluated the safety for human and animals in the toxicological viewpoints. The LD_(50) value of dispersible tablet form for pyriminobac-methyl and azimsulfuron was above 2,500 mg/kg for the oral route and above 2,000 mg/kg for the dermal route. It is considered to have low acute oral and dermal toxicity based on the findings of the present studies. In addition, the combination of pyriminobac-methyl and azimsulfuron showed mild skin irritant under the conditions of this study and conjunctival redness and slight opacity on cornea appeared from 1 hour after application.
Reciprocal Lattice Explorer의 原理와 使用法
徐日煥,李珍昊,秋錦洪,林星秀,柳保盈,朴晶蘭,金文執,趙素羅,金憲俊,李正秀,成百石 충남대학교 자연과학연구소 1993 忠南科學硏究誌 Vol.20 No.2
Reciprocal lattice explorer는 de Jong-Bouman camera와 Buerger precession camera를 合친것이다. 이 explorer를 使用하면 goniometer에 한번 固定한 試料를 使用하여 그 試料의 空間群을 決定하는데 必要한 모든 寫眞을 撮影할 수 있으며 그들은 찌그러지지 않은 逆格子面의 寫眞들이다. 本 論文에서는 de Jong-Bouman 과 Buerger precession 寫眞術의 原理와 使用法을 記述 하였고 또한 de Jong-Bouman의 振動寫眞과 zeroth layer 寫眞으로부터 11個 Laue群의 識別方法도 提示하였다. The reciprocal lattice explorer is an instrument which incorporates the principles of both the Buerger precession and the de Jong-Bouman methods. On the explorer all photographs which are necessary for a space group determination can be taken with a single setting of a crystal and the photographs show undistorted pictures of the reciprocal lattice planes. In this paper, the principles and the usages of the de Jong-Bouman and the Buerger precession photography are described, and a method of 11 Laue group identification using the de Jong-Bouman oscillation and zeroth layer photographs is shown.
이상백,김은정,고영환,고정삼 제주대학교 공과대학 첨단기술연구소 2001 尖端技術硏究所論文集 Vol.12 No.2
The effects of MA packaging on the low temperature storage of satsuma mandarin, overwintering satsuma and Kiyomi tangor were investigated. Thickness of film, holes in film and incorporation of antimicrobial agent were considered as parameters for MA packaging. Chitosan was applied to surface of fruits to determine the effects of coation during MA storage. Thickness of film and holes in a bag did not affect decay ratios in three fruits. Decay ratio of satsuma mandarin packaged with LDPE film with 2-5% ceramic antimicrobial agent slightly decreased. Chitosan coating lowered decay ratio of fruit during MA storage. MA packaging with LDPE film was effective in lowering weight loss and preventing delamination of fruits. MA packaging did not affect qualities of fruit during storage.
Carbosulfan의 피부자극성, 안점막 자극성 및 피부감작성등의 알러지성 효과에 관한 연구
이상훈,이동연,백경진,김태원,정두순,임종환,김명석,박병권,윤효인 충남대학교 수의과대학 동물의과학연구소 2004 動物醫科學硏究誌 Vol.12 No.-
Many studies have been published on the human health effects of carbosulfan toxicity. Carbosulfan used as an insecticide can produce an irritating and allergenic effect when acting on the skin. In this study, a sensitization test on albino guinea pigs and intradermal reactivity and occular irritation test on albino rabbits were carried out with carbosulfan. Signs of acute skin inflammation appeared along with the clinical symptom of chronic dermatosis caused by the solution irritating characteristics. Moreover, carbosulfan showed severe eye irritation with conjuctival redness and severe opacity on cornea. Preventive measures should involve workers' obligatory instructions on the noxious impact on human skin and strict observance of industrial safety rules.
양상백,안동환 釜山大學校 人文學硏究所 1998 人文論叢 Vol.52 No.1
본 논문에서는 주제화구문 분석의 선행연구에서 알 수 있듯이 주제화구문에 대한 이론적인 발전단계는 단문과 매입문에서의 wh~요소와 주제화요소간의 순서적인 현상을 설명하려는 노력과 관련이 있다는 사실을 살펴보았다. 즉 매입문에서의 이들 현상에 대한 설명력은 CP-지정어 분석과 IP-부가 분석보다 CP-반복 분석이 훨씬 우월하나 단문에서 부정요소 전치구문과 전형적인 주제화요소가 함께 나타날 경우 CP-반복 분석은 이를 올바르게 설명하지 못함을 살펴보았다. 이러한 선행연구의 문제점은 주어-조동사 도치와 상관없이 모든 전치구문을 주제화구문이라고 분석한데서 기인한다. 따라서 이 연구에서는 주어-조동사 도치를 수반하는 전치요소(초점요소)가 전형적인 주제화요소와 서로 다른 특성을 지니고 있음을 논증하고 통사적·의미적 차이점, 분포적 상관관계, 전치요소간의 어순상이 특징을 살펴보았다. Rochemont(1986)이 제시한 대조적 초점해석의 정의는 담화상에서 뿐만 아니라 통사적인 구문인 주어-조동사 도치를 수반하는 전치구문에도 적용될 수 있음을 살펴보았다. This paper deals with Topicalization and Subject-Auxiliary Inversion constructions in English. It suggests that a proposed element of these constructions involves a contrastive meaning, contrary to that of topicalization and argues that subject-auxiliary inversion constructions are contrastive focus constructions. Pointing out some problems with the previous research on topicalization, it discusses some differences between topicalization and the preposing constructions of adverb or negative phrases triggering a subject-auxiliary inversion, based ontheir syntactic and semantic differences, and hierarchical order among a wh-element, a topicalized element and a proposed element (focused element) in the simple clause as well as the embedded clause. It is thus proposed that the inversion constructions can also be applied for Contrastive Focus Interpretation suggested by Rochemont(1986).
이상철,김여갑,류동목,이백수,최유성,한승완,오승환 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.1
Although the use of the antibiotics has minimized the dangers of the spread of odontogenic infection to adjacent important organs, sometimes the fatal cases, such as Ludwig's angina, mediastinitis, intracranial complications from the odotogenic infection, may be occurred. The odontogenic infections or oral and maxillofacial region may involve the intracranial area through systemic circulation or by direct spread into the intracranial cavity. Headache, malaise, loss of appetite, chills, fever, vomiting, apathy, and irritability are usually followed by more specific involvement of the nervous system. We experienced one patient who died of intracranial complication from odontogenic infection. So we report the case and the literatures about intracranial involvements following odontogenic infections and dental procedures.
徐日煥,秋錦洪,李珍昊,林星秀,柳保盈,朴晶蘭,金憲俊,成百石,李正秀,金文執 충남대학교 자연과학연구소 1993 忠南科學硏究誌 Vol.20 No.1
The multiplicity factor, which may be defined as the number of different planes in a form having identical interplanar spacing and identical intensity, is tabulated here for eleven Laue groups on the basis of their symmetries.
徐日煥,李正秀,李珍昊,秋錦洪,成百石,林星秀,柳保盈 충남대학교 자연과학연구소 1992 忠南科學硏究誌 Vol.19 No.2
三斜晶系에는 2個의 空間群이 있고 單斜晶系에는 13個의 空間群이 있다. 本 論解에서는 이 空間群들을 誘導한후 各 空間群에 屬한 一般位置, 原點移動, 特殊座標 및 反射條件들을 說明 하였다. There are two and thirteen space groups in triclinic and monoclinic systems respectively. After derivation of the space groups, the general coordinates, the special coordinates and the reflection conditions of each space group have been discussed and change of origin of certain space groups is also shown.