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서비스 마아케팅의 展開問題硏究 : Based on the Characteristics of Life Behavior 生活行動의 特性을 中心으로
張光秀 尙志大學校 1990 論文集 Vol.11 No.-
The service sector of the economy, which in Korea trends to be more than the manufacturing sector, is today in a state of turmoil. Deregulstion change in professional association standards, the growing application of computer technology, and the continued expansion of franchise chains are combining to produce dramatic change in the environment of many service industries. The purpose of this study is to explain theoretically service business differ in many important respects from manufacturing business, requiring distinctive approach to marketing strategy development and execution based on the characteristics of life behavior. Service providers will need to understand how consumers choose and evaluate their offerings. Unfortunately, most of what is known about consumer evaluation processes pertains specifically to goods. The assumption appears to be that services, if not identical to goods, are at least similar enough in the consumer's mind that they are chosen and evaluated in the same manner. The study proposes to refute this assumption by showing that services unique characteristics necessitate different consumer evaluation processes from those used when assessing goods. Because experience and credence qualities dominate in services, consumers may employ different evaluation processes than those areas where characteristics of services may lead divergent evaluation processes : information search : evaluation criteria : size and composition of the evoked set of alternatives ; perceived risk ; adoption of innovations ; brand loyalty ; and attribution of dissatisfaction. The characteristics of life behavior is divided into three marketplaces, of which family as the field of the first life behavior is, job as the field of the second life behavior is, and other things except the first and te second as the field of the third life behavior are. Each of them is different characteristics of marketplace and may be used as a basis for lifestyle segmentation in three ways. This study could be drawn a conclusion that services unique characteristics of intangibility, nonstandardization, and inseparability lead them to possess high levels of experience and credence qualities, which, in trun, make them more difficult to evaluate than tangible goods. Specific assumptions about differences in consumer evaluation processes between services and goods were offered, acompanied by strategy implications for marketers.
張光秀 嶺南大學校附設 基礎科學硏究所 1986 基礎科學硏究 Vol.6 No.-
The electron self energy will be varied by phonon-electron and electron-electron interaction. The Fynman diagram pictures the process of interactions. Green's functions corresponding to the diagram are calculated with Cauchy residue theorem in suitable integral line. The vaariation of the self energy has an effect on states of superconductivity with the cooper pair model.
장광수 嶺南大學校 基礎科學硏究所 1994 基礎科學硏究 Vol.14 No.-
In this study, the quantum mechanical scattering phenomena is simulated. For a realistic analysis of scattered density probability, an imaginary part as well as a real term is employed. Results obtained by this study show that this kind of study can be applied to the many other fields including the scattering theory.
장광수 嶺南大學校附設 基礎科學硏究所 1984 基礎科學硏究 Vol.4 No.-
As starting point we shall take the hamiltonian operator which describes the interaction between electrons and lattice vibrations. With the transformation of creation and annihilation operators for phonons and electrons by exponential function, equations of motion in Heisenberg picture shows us that phonon-electron interaction is transformed into effective electron-electron interaction. By the linearized equation of motion in reduced hamiltonian, We have the quasiparticle operator, normalized ground state in the quasiparticle approximation and real excited state in superconductivity. We may evaluate the energy gap parameter ?? by performing the appropriate integration.