( 3 ) the possible mechanism of dissociation / ionization is analyzed , ( 4 ) it is shown that the main dissociation channel is non - resonant photodissociation of parent molecule followed by the further photodissociation or photoionization of the fragments . in chapter six , the rempi - tof - ms of acetaldehyde are investigated in the range of 279 . 5 - 286 . 5nm . the main results are : ( 1 ) the tof - ms and rempi spectrum of acetaldehyde are measured 第六章主要報道了乙醛分子在279 . 5一286 . 5nm范圍內(nèi)的共振增強(qiáng)多光子解離一電離過程的實驗研究結(jié)果和分析結(jié)果,主要內(nèi)容有: ( l )實驗測定了乙醛分子的共振增強(qiáng)多光子電離的tof質(zhì)譜和分質(zhì)量的既mpi譜。
In chapter five , the rempi - tof - ms of methanol are investigated in the range of 279 . 5 - 286 . 5nm . the main results are : ( 1 ) the tof - ms and rempi spectrum of methanol are measured . ( 2 ) the tof - ms of methanol is identified ; the rempi spectrum of c , ch3 and ch2o are analyzed 第五章主要報道了甲醇分子在279 . 5一286 . 5nm范圍內(nèi)的共振增強(qiáng)多光子解離一電離過程的實驗研究結(jié)果和分析結(jié)果,主要內(nèi)容有: ( 1 )實驗測定了甲醇分子的共振增強(qiáng)多光子電離的tof質(zhì)譜和分質(zhì)量的rempi譜。
( 2 ) the tof - ms of acetaldehyde is identified ; the rempi spectra of c , ch , and ch3 are analyzed . ( 3 ) the possible mechanism of dissociation / ionization is analyzed , ( 4 ) it is also proposed that the main dissociation channel is non - resonant photodissociation of parent molecule followed by the further photodissociation or photoionization of the fragments ( 3 )通過對實驗測定的tof質(zhì)譜和分質(zhì)量的rempi一譜的分析,討論了乙醛分子的多光子共振解離一電離通道以及碎片的解離通道,分析結(jié)果表明乙醛分子的主要解離通道是該分子先多光子解離,然后是解離碎片的進(jìn)一步解離或多光子電離。