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이종근,강신준 國立 昌原大學校 基礎科學硏究所 1993 基礎科學硏究所論文集 Vol.4 No.-
본 논문에서는 n터플을 기초로 한 두 가지 완전 해쉬기법을 제시 하였다. 사실 n터플은 heuristic알고리즘을 이용하여 문자의 집합으로 표시할 수 있으며, 이는 다시 0/1 행렬이나 터플 테이블로 표시 된다. 본 연구에서는 Ziegler기법을 이용하여 완전 해쉬 함수를 구조하였다. In this paper, two new perfect hashing methods based on n-tuple are presented. A unique n-tuple from a set of words extracted by a heuristic algorithm. Then the extracted n-tuples are mapped into a 0/1 sparse matrix or tuple table. Using Ziegler's row displacement method or backtracking a perfect hash function is constructed.
김봉수 國立 昌原大學校 基礎科學硏究所 1994 基礎科學硏究所論文集 Vol.6 No.-
A simulation study for the ordering kinetics in a soft spin version of the XY model in one dimension is presented and compared with the simulation carried out by Newman, Bray, and Moore for the original hard spin XY model. We do not find any nonuniversal features discriminating the two models:the excess energy relaxation, dynamic scaling and the growth law, and decay of the auto correlation function are fully identical for both models.
800 GeV 양성자가 원자핵 건판 내에 발생시킨 핵 반응 연구 방법
韓昌熙 國立昌原大學校 基礎科學硏究所 1989 基礎科學硏究所論文集 Vol.1 No.-
In this article, the researching methods on nuclear emulsion of the first run of FNAL E-653 experiment are discribed. The mean free path of 800 GeV protons in nuclear emulsion is measured by means of along-the-track scanning method. The number of charged shower particles, ??, the number of heavy prongs, ??, and the angular distributions of secondary particles of the interactions are measured by the microscope, which is connected the personal computer.
A FORMELA FOR THE TANGENT BUNDLE OF LENS STIEFEL MANIFOLDS
SOHN,MOO YOUNG 國立昌原大學校 基礎科學硏究所 1989 基礎科學硏究所論文集 Vol.1 No.-
In this paper, We will establish the tangent bundle of a Lens Stiefel manifold ?? in terms of canonically defined vector bundles over ??
이호섭,김상수 國立昌原大學校 基礎科學硏究所 1992 基礎科學硏究所論文集 Vol.3 No.-
Spontaneous Birefringence and Electro-Optical properties of Gd₂(MoO₄)₃single crystals were studied. Electro-Optic coefficient and its temperature dependence and Spontaneous Birefringence near the Curie temperature and measured by using the Babinet-Soleil compensator with A/D converter. The value of ??? is 4×??? m/V at room temperature and decreased to zero at phase transition one. The values of temperature and electric field dependence near the phase transition point are presented as hysterosis phenomena.
曺五順 國立 昌原大學校 基礎科學硏究所 1993 基礎科學硏究所論文集 Vol.4 No.-
Both Korea and Mongole may well be said to have been same in the basic forms of their costumes, as their geopolitical background allowed them direct as well as indirect exchanges between both of the countries, and as they were under the influence of the same social circumstance of cultural area-language family of Altai. Thus, the short cut to the finding of the root of Korean culture of costumes is a comparative study of the costumes of both countries. The aim of this study is to analyze the costumes of Korean and Mongolian stone statues; to examine the mutual influence of their costumes by comparative study of them; to extend the use of historical material-stone statues-in the study of costumes.
CSMA/CD 통신방식에서 대기중인 터미널의 수의 분포
신양우 國立 昌原大學校 基礎科學硏究所 1993 基礎科學硏究所論文集 Vol.4 No.-
In this paper we obtain the necessary and sufficient condition for the infinite population, slotted, nonpersistent CSMA/CD channel to be stable under the retransmission control policy with retransmission rate inversely proportional to the number of blocked terminals. Imbedded Markov chain techniques are used to find the stable condition of the system. We also derive the limiting distribution of the number of blocked terminals in the slotted, nonpersistent CSMA/CD channel with the constant propagation deley, general distributions of collision recovery time and transmission time.
이종근 國立昌原大學校 基礎科學硏究所 1994 基礎科學硏究所論文集 Vol.6 No.-
본 연구에서는 패트리 넽에서의 함수적 축소방법을 제시하였다. 이 방법의 기본 개념은 하나의 관계에서 다른 관계에로의 사상함수를 트랜지션의 관계에 적용하는 것이다. 본 연구에서는 먼저 패트리 넽을 관계형 함수로 표현한 후에, 공통의 플레이스를 제거하고 두 개의 트랜지션이 하나의 새로운 트랜지션으로 축소되는 CF-join과 공통의 플레이스를 겹침으로 하나의 트랜지션화하는 CE-join, 그리고 공통의 플레이스를 제거함으로 별개의 간소화된 트랜지션으로 나뉘는 EQ-join을 제시하였다. 축소된 패트리 넽은 기존의 넽이 갖는 성질들·생존성등을 그대로 보존한다. A functional reduction method of Petri nets is proposed. The method is based on interpretation of relations and transitions with functions which map one series of a relation to another. In particular, we propose CF-join which combines two transitions to new one after reduction of the common places, CE-join which superpose two transitions to one after superposition of the common places, and EQ-join which reduces the common places, after the Petri nets were explained by a relational scheme. A reduced net can be obtained without changing the properties such as liveness and boundness.
폴리에스터 섬유에 응용되는 Photochromic 분산염료에 있는 치환기효과에 따른 염착량의 변화
이은정,백건호 國立 昌原大學校 基礎科學硏究所 1993 基礎科學硏究所論文集 Vol.4 No.-
1:1 Complex of (Ⅰ;R=4-amino-2,6-dichlorophenyl,Ⅱ;R=4-amino-3,5-dichlorophenyl) organomercury cation ?? and dithizone have been synthesized. Indication of hydrogen bond of these compounds with polyester was obtained from solvent extraction studies. The return time ofⅠdispersion dye dissolved in toluene from orange through blue to original colour was 22.5 minutes and was 12 minutes in case of sample Ⅱ. Thermal stability of Ⅰ was higher than that of Ⅱ by +Ⅰ effect of electron releasing group but photochemical stability of Ⅰ solution dissolved in toluene was similar to that of Ⅱ dispersion dye solution. Optimal pH of Ⅰ & Ⅱ was 6, and 7, respectively. Amount taken up by Ⅰ was 14 times higher than by Ⅱ.
염화시클로부탄의 적도방향 이형태체에 대한 몇가지 Basis set에서 얻어진 최적구조 파라미터의 비교
이민주 國立昌原大學校 基礎科學硏究所 1994 基礎科學硏究所論文集 Vol.6 No.-
The utility of ab initio calculations for the determination of structural parameters for the equatorial conformer of chlorocyclobutane is demonstrated. It is shown that the C-H distances calculated with the LANL2DZ basis set give the best result when compare them with experimental values obtained form the microwave and the electron diffraction methods. For the structural parameters related to chlorine atom, the values obtained with the 3-21G*, 4-31G*, and 6-31G* are better than them with the LANL1DZ and LANL2DZ.