您要查找的是不是:
- Studies on the potential energy curves of homonuclear diatomic molecular ions using energy consistent method[J]. 引用该论文 陈红丽;孙卫国;刘国跃;刘一丁;冯灏.
- With the theory of electron-molecule scattering, we have investigated the scat-tering and energy loss for slow diatomic molecular ions in electron gases in solidsand discussed the influence of the coherence effects between two ions to the energyloss. 利用量子力学中的电子分子散射理论,研究了低速双原子分子离子在固体电子气中的散射与能量损失,重点讨论了两离子之间的干扰效应对能量损失的影响。
- Diatomic molecular ion 双原子分子离子
- Studies on the potential energy curves of homonuclear diatomic molecular ions using energy consistent method 同核双原子分子离子的势能研究
- By research of N2 in strong laser field, the characters of same nucleus diatomic molecular in extreme condition are found. 通过对强激光场作用下N2分子的研究,我们得到了在极端条件下同核双原子分子的动力学特点。
- Mass specta of N-Benzylidene-1-methoxy-1-propylamine have been discussed,Logical loss of molecular ion was deduced. ? 讨论了1-甲氧基-N-(芳甲叉基)-1-丙胺类化合物的质谱,分析了主要碎片离子的产生过程,推测了该类化合物的裂分规律。
- Abstract The decomposition reaction of molecular ion of phenol and phenylmethylether had been stuied by molecular orbitals theory. 摘要 本文利用分子轨道理论计算方法研究苯酚和苯甲醚分子离子分解反应,计算了分解反应中的前体离子、碎片离子和碎片的电离电位和内能。
- Several organic peroxides have been split at appropriate conditions by which mass spectra graph with molecular ion has been made. 在高真空、缓慢进样的条件下,对这几种有机过氧化物进行质谱裂解,可得到带分子、离子的质谱图。
- The second part discusses statistical partition functions and thermodynamical functions using the AM rovibrational energies for the diatomic molecular systems, and provides a good computational basis for accurate studyies of thermodynamical functions. 本文第二部分以热力学的基本理论为基础,运用AM和AEM方法获得的双原子分子精确的光谱常数、振动能级和离解能数据,对双原子分子体系的配分函数和热力学函数进行了必要的讨论,为热力学函数的精确研究及其应用奠定了良好的基础。
- The results shows the molecular ion peak m/z 364[M+H]+, m/z156, were detected by ESI-MS; m/z363[M]+ and m/z138,m/z181 and m/z154, m/z221 were detected by EI-MS. 用ESI-MS获得m/z364[M+H]+、m/z156等质谱峰,用EI-MS获得m/z363[M]+、m/z138、m/z181、m/z154、m/z221等质谱峰,并解释了其中的主要特征碎片离子。
- The existence of carbonyl group in structure seems to be a factor that favors the formation of quasi-molecular ion (QMI) or other adduct molecular ion (OAMI) in positive mode. 化合物结构中羰基的存在似有利于化合物在正离子模式下形成准分子离子或其它分子加和离子。
- The existence of carbonyl group in structure seems to be a factor that fayors the formation of quasi-molecular ion (QMI) or other adduct molecular ion (OAMI) in positive mode. 化合物结构中羰基的存在似有利于化合物在正离子模式下形成凖分子离子或其他分子加和离子。
- Diatomic Molecular Symmetry and Dissociation Limit 双原子分子的对称性与离解极限
- No Sample fragments are found in negative ESI process, but a lot of fragments are almost presented in FAB process. Comparing these spectra, the fragments or molecular ion can be distinguished. 试样在负离子电喷雾电离(ESI)过程中不产生碎 片峰,但是在FAB过程中产生许多碎片,比较这些谱图,就可以区别碎片峰和分子离子峰。
- The results showed that the molecular ion peak of Aris A A is rather strong in the mass spectrum,the detection limit is 5 ng(signal to noise ratio=10). The sensitivity is high enough to determine Aris A A in CTPM. 测定结果表明;马兜铃酸A的质谱有较强的分子离子峰;最低检测限为5 ng(信噪比等于10);可以满足对中成药中马兜铃酸A测定之要求.
- Adduct ions [M+NH_4]~+, protonated molecular ion [M+H]~+ and molecularion [M]~+. 观察到较高强度的加合离子[M+NH_4]~+、质子化分子离子[M+H]~+和分子离子[M]?
- An intense sodium adduct appeared in their FABmass spectra, which was more abundant than the corresponding protonated molecular ion[M+H]~+ and may give more difinite information about molecular weight of the sample. 结果表明:在FAB谱中[M+Na]~+加合离子的丰度要比[M+H]~+离子高得多。
- No sample fragments are found in negative ESI process, but a lot of fragments are almost presented in FAB process.Comparing these spectra,the fragments or molecular ion can be distinguished. 试样在负离子电喷雾电离(ESI)过程中不产生碎片峰,但是在FAB过程中产生许多碎片,比较这些谱图,就可以区别碎片峰和分子离子峰。
- GROUP THEORY AND THE TERMS OF HETERONUCLEAR DIATOMIC MOLECULAR 群论与异核双原子分子的光谱项
- The samples were dissolved in dimethyl sulfoxide (DMSO) and the data were recorded by positive ion mode.No any other fragment was found except for little molecular ion which loses a chlorine atom. 样品溶解在二甲基亚砜中,以正离子方式记录谱图,结果发现除产生一个失去氯原子的分子离子峰外,没有任何碎片峰。