The reaction of 5-(4-hydroxyphenyl)-10,15,20-triphenyl porphyrin with 2,6-dibromomethylpyridine and 4,4′-dicarboxyl-2,2′-bipyridine respectively gave 2,6-bis-
This paper emphasizes the effect of spillovers on R&D (Research and Development) level. When competing firms have spillovers to each other in R&D, cooperation wil
Network storage increase capacity and scalability of storage system, data availability and enables the sharing of data among clients. When the developing networ