Flash photolysis is a pump-probe laboratory technique, in which a sample is firstly excited by a strong pulse (called pump pulse) of light from a laser of nanosecond, picosecond, or femtosecond pulse width or by a short-pulse light source such as a flash lamp. This first strong pulse starts a chemical reaction or leads to an increased population for energy levels other than the ground state within a sample of atoms or molecules.
例句与用法
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Were investigated in aqueous solution by krf laser flash photolysis . from optical studies , the photoionization of aromatic amino acids produced radicals and hydrated electron , and the interaction of tyrosine and phenylalanine with so 运用激光闪光光解瞬态吸收光谱研究了色氨酸trp酪氨酸tyr ，苯丙氨酸phe和二肽trp - tyr光电离和被so
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