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李鍾傑 忠州大學校 1989 한국교통대학교 논문집 Vol.23 No.-
In this paper I developed the process of functional concept of superior limit and inferior limit. The contents are as follows: 1) I defined the meaning of limit point by introducing [ε→δ] into the limit concept [χ→α], to lead the concept of upper bound, lower bound, and sup. inf. 2) During the set operation I derived the monotone increasing sequence of sets from the fact that intersection-set is akin the G.C.M in number and of the monotone decreasing sequence of sets from the fact that union-set is akin to L.C.M in number. 3) It is bounded that I can introduce limit from the sequence of sets.
李鍾傑 忠州大學校 1995 한국교통대학교 논문집 Vol.30 No.1
This paper developed systematically the theory of Complex number using based on set, and examined the relation of equality. Introducing the four rules of arithmetic operation on the basis of set theory and examining their properties, this paper constructed a system of Complex number. I hope this paper will hope do logical thinking in using the Complex number and grope for desirable teaching method.
李鍾傑 忠州大學校 1996 한국교통대학교 논문집 Vol.31 No.1
This paper developed systematically the theory of Integral Expression using and based on set, and examined the relation of equality. Introducing the four rules of arithmetic operation on the basis of set theory and examining their properties, or this paper constructed a system of integral Expression, by introducing. I hope this paper will help think logically in using the Integral Expression and grope for desirable teaching method.
李鍾傑 忠州大學校 1998 한국교통대학교 논문집 Vol.33 No.1
This paper developed systematically the theory of Symmetric Expression using and based on set, and examined the relation of equality. Introducing the four rules of arithmetic operation on the basis of set theory and examining their properties, this paper constructed a system of Symmetric Expression. I hope this paper will help think logically in using the Symmetric Expression and grope for desirable teaching method.
李鍾傑 忠州大學校 1999 한국교통대학교 논문집 Vol.34 No.1
This paper has developed systematically the theory of continuous function based on the set theory, and examined the relation of uniformity. The theory analyzed the continuum of limit closely by converting the limit concept into function. I hope this paper will enable the reader to think logically when using the continuous function and find a desirable teaching method.
李鐘傑 忠州大學校 1997 한국교통대학교 논문집 Vol.32 No.1
This paper developed systematically the theory of Fractional Expression using and based on set, and examined the relation of equality. Introducing the four rules of arithmetic operation on the basis of set theory and examining their properties, this paper constructed a system of Fractional Expression. I hope this paper will help think logically in using the Fractional Expression and grope for desirable teaching method.
李鍾傑 忠州大學校 1986 한국교통대학교 논문집 Vol.20 No.1
This paper developed systematically the theory of integer using axiom based on set, and examied the relation of eguality. Introducing the found rules of arithmetic operation on the basis of set theory and examining their properties, this paper constructed a system of integer. I hope this paper Will help do logical thinking in using the integer and grope for desirable teaching method.
尹胄漢,李鍾傑 忠州大學校 1991 한국교통대학교 논문집 Vol.25 No.-
In 1986, R. Huff [3] showed that a Dunford integrable function is Pettis integrable if and only if T : X??→L(μ) is weakly compact operator and {T(K(F,ε))|F⊂X,F : finite and ε>0}={0}. In this paper, we introduce the notion of Bourgain property of real valued functions formulated by J.Bourgain [2]. We show that the class of pettis integrable functions is linear space and if f is bounded function with Bourgain property, then T : X??→L(μ) by T(x??)=X??f is weak??-to-weak linear operator. Also, If operator T : L(μ)→X?? with Bourgain property, then show that T is Pettis representable.
Lee, Jong-Geol,Yon, Jung-Min,Jung, Ki-Youn,Lin, Chunmei,Jung, A-Young,Lee, Beom-Jun,Yun, Young-Won,Nam, Sang-Yoon 韓國受精卵移植學會 2011 한국동물생명공학회지 Vol.26 No.4
Procymidone is a fungicide with anti-androgenic properties widely used to protect fruits from fungal infection, which induces an excessive reactive oxygen species production in male reproductive organs. In this study, to clarify whether procymidone affect the cellular antioxidant system of prostate at onset of puberty, gene expression patterns of the representative antioxidant enzymes such as cytoplasmic glutathione peroxidase (GPx1), phospholipid hydroperoxide GPx (PHGPx), selenoprotein P (SePP), cytoplasmic copper/zinc superoxide dismutase (SOD1), and manganese SOD (SOD2) were investigated in the rat ventral prostates exposed to procymidone using real-time RT-PCR analyses. Seven-week-old Sprague-Dawley rats castrated at 6 weeks old were treated with procymidone (25, 50, or 100 mg/kg per day) orally for 7 consecutive days after testosterone propionate (0.4 mg/kg per day) administration by subcutaneous injection. As compared to normal control animals, GPx1 mRNA expression in prostates significantly increased by the administration with TP and/or procymidone. However, PHGPx and SOD1 mRNA levels significanatly decreased by over 25 mg/kg of procymidone treatment and SePP and SOD2 mRNA levels was significanatly reduced by over 50 mg/kg of procymidone treatment. These findings indicate that procymidone may affect the antioxidant system of prostatic cells in up-regulation mode of GPx1, but in down-regulation modes of PHGPx, SePP, SOD1, and SOD2, suggesting that procymidone may affect differently the cellular antioxidant system of prostate according to the exposure doses.