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가교폴리 ( 4- 비닐피리딘 ) 과 메틸오렌지동족체와의 결합에 대한 온도의 존성 . 6 . 가교제의 영향
이석기,박남규,김우식 ( Suck Kee Lee,Nam Kyu Park,Woo Sik Kim ) 한국공업화학회 1990 공업화학 Vol.1 No.2
Various crosslinked poly(4-vinylpyridines) having different degrees of crosslinking were prepared by radical copolymerizations of 4-vinylpyridine with N, N`-2, 6-pyridinebisacrylamide as a crosslinker, The abilities of these crosslinked polymers to bind methyl orange and butyl orange were investigated at various temperatures in a buffer solution of pH 7. The first binding constants were evaluated from the equilibrium binding amounts. The first binding constants against the temperatures showed bell-shaped curves. Also, the first binding constants against the degree of crosslinking showed bell-shaped curves. When the temperature and the degree of crosslinking of maximum binding in the curves of these binding systems were compared with those of previous systems containing crosslinked poly(4-vinylpyridines) prepared by using N , N`-methylenebisacrylamide, N, N`-tetramethy-lenebisacryamide and divinylbenzene as crosslinkers, respectively, they were varied with the crosslinked poly(4-vinyl pyridines) containing different crosslinkers. These results were discussed in terms of the properties of the crosslinkers.
이석기 인제대학교 2011 仁濟論叢 Vol.26 No.1
Although the ’time-signal advertising' has been a norm in today’s TV environment, studies about its effects are scarce, and did get the spotlight as a research domain. This study investigates how the effect of time-signal advertising is moderated by brand power. The results of data analysis indicate that the effect of time-signal advertising is not greater than general advertising. Also, the results show that there is a significant interaction effect between adversing type and brand power. That is, time-signal advertising is more effective than general advertising in weak brand power advertising. Still, general advertising is a more effective marketing tool than time-signal advertising with strong brands.