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李英燁 Natural Science Research Institute JEONJU UNIVERSI 1990 전주대학교 자연과학연구소 학술논문집 Vol.3 No.1
We dealt with author of God's creationism, historical background, order of creation, character in science about the universe creation which is written in the Genesis and the Proverbs, and hypothesis in relation to evolutionism. Also, we considered recently prospect in differentiation of species by Genetic engineeing (Gene manipulation method) which is the latest science in modern Genetics. In the differentiation of species in biololgical evolution, as molecular biololgical research, though the gene of sex chromosome is demonstrated expressing by mutation or, that change of base sequence in gene, chromosome partial aberration (or, Deletion, Duplication, Translocation, Inversion) as well as numeral aberration in chromosome (like that : aneuploidy and polyploidy) etc, is able to induce of variety about species of some living things that has no prescribe proof of variety in original species yet. So we are able to explain complementary between Creationism and Evolution Theory. However, it is eternal truth to homeostasis for system sustenance of all living things that are the first creatures. Creationism which was recorded by ancients should be comprehensioned basis on science and knowledge of ancient. Christian promulgate that creationism the truth research in foundation of modern science, forever and should be keep Creation theology with redemption theology.
45° 및 90° 충돌분사에서의 난류유동에 대한 실험적인 비교고찰
李鎭植 Natural Science Research Institute JEONJU UNIVERSI 1986 전주대학교 자연과학연구소 학술논문집 Vol.1 No.1
In cross angle 45° and 90°, When two jets issuing in the uniform velocity are crossed it was experimentally compared with that the mean velocity and fluctuating velocity distributions, the intensity of turbulence were measured and analyzed in front and rear region of the point of the center line, at Reynolds numbers; 3.28 x 10 exp(4). And Momentum fluxes at each position along the axis were investigated. So the mean velocity, the values of the flutuating velocity and the intensity of turbulence were found much larger difference in the width or maximum values between cross angle 45° and 90°. And the momentum fluxes were slightly decreased in both cross angles, but they were also appeared by large difference by dint of collision in cross point area. However after the fully mixed flow region they were getting better gradually same values along the X-axis.
형경우,강준건,이용석 Natural Science Research Institute JEONJU UNIVERSI 1995 전주대학교 자연과학연구소 학술논문집 Vol.8 No.2
MgAl-layered double hydroxides, [Mg_(1-x)Al_x(OH)_2](CO_3^2-)_X/2·yH_2O were synthesized by the co-precipitation methods and with variation of charge density which has a very important role to he determined the physicochemical properties of layered materials. From the results of XRD analysis, we found that the lattice parameter and the unit cell volume decreased linearly to the amount of Al substituent in the vicinity of x = 0.0667 and x = 0.33, but those were nearly constant. when the x are far from these vicinity. Especially, Mg(OH)_2 peak also shows besides LDH phases in a compound with a small x value of 0.0667. From these results, the most appropriate condition to synthesis the LDH single phase was revealed to be x = 0.1 - 0.33.
PLANE PARTITIONS AND SYMMETRIC FUNCTION
Choi, Seul Hee Natural Science Research Institute JEONJU UNIVERSI 1995 전주대학교 자연과학연구소 학술논문집 Vol.8 No.1
Let A_n the set of all homogeneous symmetric functions of degree n in the infinitely many indeterminates x_1, x_2, ...... with coefficients in the fild Q of rational numbers. The representative basis of A_n are monomial symmetric functions, elementary symmetric functions, complete symmetric functions and power sums. We show some properties of the relations among basis of A_n.
加工大麥(平麥) 醱酵에 使用된 Bacillus subtilis SNU 816의 蒐集과 生物學的 性狀에 關한 硏究
李周植,李吾炯 Natural Science Research Institute JEONJU UNIVERSI 1986 전주대학교 자연과학연구소 학술논문집 Vol.1 No.1
The "Natto" a foodstuff made from soybeen fermentation has been produced and consumed about 300, 000 ton every year in Japan. However, its production and consumption are in fact poor in korea regared as a developing country. It is thought that the production of spore liquid of fermentation microorganism and the management of the strain are the important subjects. Microbiological investigations on the spore and mucin formation were carried out using, the strain of Bacillus subtilis SNU 816 in order to solve the afere mentioned subjects. The results are sunmarized B.subtilis SNU 816 was classified from a viewpoint of physiological characteristics as a strain of B. subtills by means of Bergey's manual (1957). Solution of soybeen extracted with 10% NaC1, pH6.4, was very suitable for the spore formation of the strain . The cultures keeping at. 37℃, 40℃ and 50℃ in increasing order were more favorable especilly for the mucin formation of the spore from, though the from lipuid of vegetative form was not suiltable. The starter for the flat barley fermentation should be spore from lipuid of the strain and same factors were related for the spore and mucin formation of the strain, but there were many differences in the results by fermantation methods. The effects of glutamic acid and biotin on the growth and sporulation of Bacillus subtilis SNU 816 were investigated. When B. subtilis SNU 816 was cultivated in glucose-minenal salts medium(Glc medium) with week buffer action, the growth rate and percentage of sporulation were partially increased by sole addition of glutamic acid (Glc+Glu medium) or biotin(Glc + Bio medium). On the ather hand when both glutamic acid and biotin were added to the medium(Glc+Bio+Glu medium), considerable increases in both growth rate and percentage of sporultion were observed. The approximate doubling times in each Glc, Glc+Glu, Glc+Bio, and Glc+Bio+Glu medium were 4 hours, 3 hours, 1.5 hour, 0.7 hour, respectively. Percentages of sporulation after 18 hours cultivation in each Glc, Glc+Glu, Glc+Bio, and Glc+Bio+Glu medium were 0.01% 0.13% 1.4% and 43%, respectively. The lag periods in each Glc, Glc+Bio, Glc+Glu, and Glc+Bio+Glu medium were about 36.2 hours, 29.8 hours, 12.3 hours, and 11 hours, respecitively. These results indicated that the addition of glutamic acid to Glc medium was much more effective in the reduction of the ag period that of biotin. The growth rate in Glc medium was proportionally increased according as the concentration of biotin added to the medium was increased until it was reached to 0.02mg/ml. Above that concentration, no more addition-effect was observed. The requirement of this strain for biotin was obvious in the Glo+Glu medium whis initial pH5.0. Because of the low pH value of the medium, the growth was considerably refarded. But when the biotin was added to this medium, ncrmal growth was resfored, and the pH of the medium was rapidly increased. These results implicated that the addition of biotin would enable this strain to use glutamic acid rapidly from the medium. It was concluded that glutamic acid and biotin were needed for this strain to reduce the lag periods, and to achieve optimal growth and sporulation.
K_2CuCl_4·2H_2O 단결정내의 수소핵자기 공명
韓泰鍾 Natural Science Research Institute JEONJU UNIVERSI 1986 전주대학교 자연과학연구소 학술논문집 Vol.1 No.1
Nuclear Magnetic Resonance of ^1H in K_2CuCl_4·2H_2O has been measured with 3MHz at room temperature. The resonance data is analyzed in terms of the nuclear Zeeman interaction and nuclear dipole-dipole interaction. The distance between hydrogen nuclei is obtained from this analysis. The obtaind result is r=1.63±0.01A. This is in good agreement with the values previously reported.
Permuting Properties of Derivations
Lee, Eun-Hwi,Cheong, In-Kyu Natural Science Research Institute JEONJU UNIVERSI 1990 전주대학교 자연과학연구소 학술논문집 Vol.3 No.1
Let D be a continuous derivation on a Banach algebra A with unit and G the group of invertible elements. We show that the following statements are equivalent. (1) The principal component of G is contained in the set of v∈G for which D permutes with inner automorphism h(v). (2) D permutes with every inner derivation δ . (3) D(A) is contained in the center of A.
Benzophenone Effects on Photoisomerization and Azulene Quenching of trans-1, 2-Bispyrazinylethylene
Bong, Pill-Hoon Natural Science Research Institute JEONJU UNIVERSI 1986 전주대학교 자연과학연구소 학술논문집 Vol.1 No.1
The trans→cis photoisomerization of trans→1, 2-bispyrazinylethylene were investigated in various conditions. The quantum yields of trans→cis photoisomerization decrease with increasing benzophenone concentration because of the self-quenching of benzophenone triplets. The Stern -Volmer constant of azulene quenching, however, increases as the concentration of benzophenone increases because of the quenching of benzophenone triplet by azulene. These results are same as the results from laser flash experiments, and from the direct and sensitized photoisomerization.