For the process of the isomerizations, the former is endothermal reaction, the later is exothermic.
前者异构化为吸热反应,后者为放热反应。
2
The efficiency of the non resonant two photon (NRTP) isomerizations of stilbenes and 1,4 diphenyl 1,3 butadienes was found to depend strongly on the wavelength of the laser pulses.