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of 3
pro vyhledávání: '"林毅青"'
Autor:
LIN, YI-CHING, 林毅青
107
The residual stress of the plastic lens will affect the visual comfort. This study applies PDCA loop of quality management method, visual inspection, the spectacle lens frame measuring ruler, the energy-saving lens stress detector and the se
The residual stress of the plastic lens will affect the visual comfort. This study applies PDCA loop of quality management method, visual inspection, the spectacle lens frame measuring ruler, the energy-saving lens stress detector and the se
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/pcq97t
Publikováno v:
Journal of Agricultural Resources & Environment / Nongye Ziyuan yu Huanjing Xuebao; 2024, Vol. 41 Issue 5, p1182-1191, 10p
Autor:
Yi-Ching Lin, 林毅青
96
We have synthesized symmetric and asymmetric free base porphyrins and their zinc complexes containing nitrophenyl and tolyl substituents. Electron-withdrawing substituents on the phenyl rings exert different electronic effects on the porphyri
We have synthesized symmetric and asymmetric free base porphyrins and their zinc complexes containing nitrophenyl and tolyl substituents. Electron-withdrawing substituents on the phenyl rings exert different electronic effects on the porphyri
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/74161911546295936263