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During the 1980s and 1990s, Korea has invested heavily in biotechnology research and development, with the aim of becoming a leading nation in this field. It is important to understand the historical progress of this development in order to appreciate the current state of biotechnology in Korea. However, it is equally important to know what research is currently being planned and carried out, and...
This issue, redesigned in a new format, marks the beginning of Volume 25, the beginning of the “silver anniversary” year of the Journal of Abnormal Child Psychology. Data were compiled from the first 24 volumes to study changes over time, and Pearson correlations were calculated to determine linear trends in the journal's development The number of articles per volume has doubled, from about 25 to...
Summary form only given. Eight years have passed since the first demonstration of semiconductor gain-coupled (GC) distributed-feedback (DFB) lasers. During this period, a number of advantages of the GC and CC (complex-coupled) DFB lasers over the conventional index-coupled (IC) ones have been set forth. Those advantages sound, however, somewhat optimistic when people come across a serious question...
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