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金鎭均 서울産業大學校 1994 논문집 Vol.39 No.1
The purpose of this paper is to show that the non-linear mode of representation in English phonology has a superiority over the mono-linear one through the analysis of the English syllable within the autosegmental framework. Traditional phonology did not realize the importance of syllable, but its status in phonology has gradually been enhanced. Natural generative phonology dealt with syllable within the framework of mono-linear phonology. But the analysis of syllable in view of mono-linear phonology did not solve a lot of phonology problems. CV-theory in the form of non-linear phonology makes up for various defects which the mono-linear analysis of syllable has. By analyzing syllable in terms of CV-theory, we can explicitly represent heavy syllable, complex sound, long segment, syllable nucleus and syllable margin.
金鎭均 서울産業大學校 1996 논문집 Vol.43 No.1
This thesis has as its aim the correlation between phonological variations and language use. Having rejected the concept of language as a monolithic homogeneous object and adopted in its place a view of language as a heterogeneous dynamic system, the use of language is forced to seek out variations. The language user should know the knowledge, not only of the formal code, but also of the social implications of linguistic choices which are available to him as he uses his language in the course of his life. When the language user speaks and listens to his language, he is, in reality, faced with many types of variations. Among them, the most notable variants are at the phonological level. As a result, a systematic research of phonological variants that the language use meets in the course of his social life is made in this study, for knowing them is very important to lead a good social life.
김진균,박종운,현동근,윤승환,김은영,박형천 대한신경외과학회 2004 Journal of Korean neurosurgical society Vol.36 No.3
Objective : Traumatic brain injury has been shown to result in a decrease of the brain-free magnesium concentration that is associated with the development of neurologic deficits. However, changes in free magnesium homeostasis have not been characterized in other fluid compartments. We examine the ionized serum magnesium(Mg2+) and ionized serum calcium(Ca2+) in the moderate diffuse axonal injury of rat model. Methods : We designed a study to determine whether ionized serum magnesium(Mg2+) and / or ionized serum calcium(Ca2+) levels correlate with moderate diffuse axonal injury(mDAI). A new ion-selective electrode was used to determine Mg2+ and Ca2+ level in the serum, prior to and following weight-drop induced mDAI. Results : Serum Mg2+ remained significantly depressed to about 76% of preinjury values for 3 hours (0.73±0.01 mg/dL, 0.79±0.03 mg/dL, 0.84±0.03 mg/dL at 1, 2, 3 hours after trauma, respectively) compared to control group (1.07±0.03 mg/dL, p<0.05), but not in total serum magnesium(tMg). Mg2+/ tMg was shown a significant decrease for first 3 hours (49%, 53.4%, 56.4% at 1, 2, 3 hours after trauma respectively) compared to control group (70.9%, p<0.05). Head trauma resulted in small decrease of Ca2+, but there was a significant increase in the amount of Ca2+/ Mg2+(mean value in control group : in injured group for 3 hours after trauma = 4.65±0.012 : 5.71±0.015, p<0.05). Apoptotic change was shown at 3 hours after mDAI and apoptotic index(AI) was significantly increased at 12 and 24 hours after trauma (54.8±1.7, 51.5±3.2 at 12, 24 hours, p<0.05). Conclusion : These findings suggest that the early decline in serum Mg2+ and increase in the amount of Ca2+/ Mg2+ following brain trauma may be a critical factor in the development of irreversible tissue injury and early treatment with magnesium salt may be effective in histological changes following experimental traumatic brain injury in the rat.