molecular ion
英 [məˈlekjələ(r) ˈaɪən]
美 [məˈlekjələr ˈaɪən]
分子离子
双语例句
- We investigated high harmonic generated from the interaction of intense pulses with a one-electron model molecular ion.
本文研究了单电子分子离子与强激光场相互作用下的高次谐波发射谱。 - Different from that of nanosecond, benzene phtoionization using femtosecond laser has predominent molecular ion peak with very small percentage of fragments.
苯的飞秒质谱图与纳秒情况不同，分子离子为主，碎片峰很少。 - Electronic structure of molecular Rydberg states of some small molecules and molecular ion
分子里德伯态的电子能级结构&一些小分子及分子离子的里德伯能级结构 - 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 one-center expansion method and Bohn-Oppenheimer approximation are used to investigate convergence of ground and lower exited state energy of the Hydrogen molecular ion ( H~+_2) in the strong external magnetic field.
采用单中心展开方法和Bohn-Oppenheimer近似，用B-splines技术研究平行强外场下的氢分子离子的基态和低激发态能量的收敛性。 - The vicinage effects and wake effects of H~+_2 molecular ion in solids are also discussed.
作者对H+2在固体膜中的电荷交换、分子关联效应以及尾流效应进行了必要的分析和讨论。 - Both IBA and JA standard chemicals showed almost same changes of mass spectrum pattern. Optimum drift voltage for most intensity was 60 V, as drift voltage increased, the intensity of molecular ion peak decreased and the fragment ion peaks shifted to smaller m/ z one.
IBA和JA的标准试剂显示了相同的质谱图形变化，在60V时能得到最强分子离子峰，当电压继续升高时分子离子峰的强度逐渐减弱，并出现一些m/z更小的碎片离子峰。 - The Hamiltonian of Heteronuclear Hydrogen Molecular Ion HD~+ in Magnetic Field
异核氢分子离子HD~+在磁场中的哈密顿量 - High-Order Harmonic Generation from Multi-Atom Molecular Ion in an Ultra-Short Laser Field
一维多原子分子离子与超短激光场作用产生的高次谐波 - We found a new kind of bifurcation through the classical study of hydrogen molecular ion: The new orbit borns form the ellips periodic orbit and the ellips orbit still keeps stable after bifurcation.
在利用经典力学讨论氢分子离子的周期轨道中，发现了一种奇特的分叉现象：新的轨道均从椭圆轨道中产生，母椭圆轨道一直是稳定的，但新产生的子轨道却并不稳定。 - According to the exact masses and corresponding elemental compositions of molecular ion and eight characteristic ions, a possible fragmentation pathway of the ferulic acid molecule was proposed, by which the molecular structure was confirmed.
根据质谱提供的分子离子和8个特征碎片离子的精确质量和相应的元素组成，提出了阿魏酸分子的裂解途径，结合谱图检索，从而确认该分子的结构。 - It is based on the assumption that analytical signals differ from random noise in the chromatographic peak width. The information of the molecular ion or pseudo-molecular ion about the analytes can be obtained.
根据分析信号与随机噪声的质量色谱峰宽度不同，通过滤除质谱中的随机噪声，较为准确地得到化合物分子离子或准分子离子的信息，可显著地改善定性分析的准确性。 - Mass spectra has showed that it is easy to lose a methane molecule and a methyl group from each molecular ion in RD forming a conjugated ion; both di-and tripolymer often crack into a derivative ion of the dipolymer.
质谱分析表明：RD容易失去甲烷分子和甲基形成共轭体的离子，二聚体和三聚体容易形成二聚体的衍生物离子。 - The results showed that neutral molecule of aniline may be lost in the cleavage of mass spectra, while the remainder molecular ion of phenyl iso-thiocyanate became steady due to the conjugate of π electron.
实验结果表明二苯硫脲质谱裂解中可能发生了中性丢失，丢失了中性分子苯胺，生成的异硫氰酸苯酯分子离子由于π电子共轭而致稳。 - 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。 - Their mass spectral fragmentations were proposed on the basis of high resolution mass spectrometry and B/ E linked scan spectra. The results show that the molecular ion is relatively strong, and the characteristic peak [ ArNCO]~+ is a base peak.
根据高分辨质谱及联动扫描质谱揭示了该类化合物的质谱裂解途径，结果表明该类化合物出现较强的分子离子峰及特征的基峰[ArNCO]~+。 - In APCI/ MS the structures of small molecular drugs and CID voltage affected their molecular ion peaks and fragment ion peaks obviously.
此外，还给出了丰富的碎片峰；小分子药物的结构与CID电压对APCI/MS的分子离子峰及碎片离子丰度有明确的影响。 - It pointed out that the negative ion DCIMS can provide very useful information for characterizing molecular ion of monosaccharides.
指出负离子解吸化学电离质谱对鉴别低碳醣的分子离子可以提供十分有用的信息。 - Study on Concentration Modulation Spectra of the Molecular Ion Beam by AC Glow Discharge
离子分子束源的浓度调制光谱研究 - The study for the constructions of H_2~+, HD~+ and D_2~+ by the interaction of fast molecular ion with solid
利用快分子离子与固体的相互作用对H2~+，HD~+和D2~+结构的研究 - The molecular ion peaks of these spectra are very weak, but [ M-H]+ peaks have much stronger.
结果表明，该类化合物的分子离子峰（M＋）很弱，但却具有效强的〔M－H〕＋峰。 - The stability of molecular ion, the mode of formation of the base peak and the number of fragment ions depend mainly upon the property of substituent group.
结果表明，分子离子的稳定性、基峰的生成方式以及碎片离子的多少主要取决于取代基R的性质。 - Study of Decomposition Reaction of Phenol and Phenylmethylether Molecular Ion by Molecular Orbitals Theoretical Calculation
用分子轨道理论计算方法对苯酚和苯甲醚分子离子分解反应的研究 - Recent studies on the dissociation of the hydrogen molecular ion revealed some interesting and unique properties of its dissociating procedure.
最近人们对氢分子离子的光解离过程进行了实验方面的研究，显示出解离过程中的奇异性质。 - Comparing the atomic ion, the molecular ion is of obvious difference.
与单个原子离子相比，分子离子与等离子体的相互作用有很大的不同。 - The wake effect excites a strong interference between the ions, which results in the energy loss of a molecular ion is not equal with the sum of energy loss with same number atomic ions.
这种尾流效应使分子离子中单个离子之间产生很强的干扰作用，这种作用使分子离子的能量损失不等于相同数量的孤立的原子离子的能量损失之和。