分子离子

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 study for the constructions of H_2 ~ + , HD ~ + and D_2 ~ + by the interaction of fast molecular ion with solid

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。

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 .

用B样条技术研究氢分子离子能级的收敛性

A Study of Convergency about the Energy Levels of H_2 ~ + with B-splines Technology

强磁场中氢分子离子H2~+的电子能级

The Electron Energy Values of The H + 2 Ion in Superstrong Magnetic Field

强磁场中氢分子离子H2~+反键态能级的绝热变分计算

Adiabatic and adiabatic variational calculation of hydrogen molecule ion anti-bonding state energy in strong magnetic field

电子和Ar2~+分子离子的三体离解复合

Three-body dissociative recombination of Ar_2 ~ + molecular ions and electrons

塞曼效应在Cl2~+及其同位素分子离子光谱标识中的应用

Application of the Zeeman Effect to the Spectral Assignment of Cl_2 ~ + Including Its Isotopics

结果表明：1.这些化合物都显示分子离子峰，它们的相对丰度似有随R链的增长而减弱的趋势；

The results showed : ( 1 ) All of these compounds revealed molecular ions and their relative abundances seemed to decrease with increasing chain length of R.

用BF2~+分子离子注入n型硅，由于B的有效注入能量减少，可以得到B的浅注入分布，B分布的沟道效应也明显降低。

Shallow B + as-implanted profiles can be obtained and channelling effect significantly suppressed by implanting BF2 + molecular ions into silicon , due to low effective boron energy .

研究了飞秒强激光场中多电荷N2、O2和CO分子离子的解离。

The dissociation of multi-charged molecular ions of N2 , O2 and CO in intense femtosecond laser fields is investigated .

快D2~+和H2~+分子离子在碳膜中产生D~-和H~-负离子的产额测量

The measurement of the yields of d ~ - and h ~ - ions produced from carbon foils bombarded by fast d_2 ~ + and h_2 ~ + beams

苯环上的取代基团X对分子离子和一些碎片离子的强度有明显的影响：随X电负性的增强，相应离子的强度下降。

The intensity of molecular ions and some fragment ions of all compounds ( 1 ~ 25 ) was closely related to the electronic nature of substituted group X.

本文讨论了用离子存储技术研究低能（eV量级）氢分子离子与氮分子碰撞的过程。

The reaction coefficient for collision between hydrogen molecular ions and nitrogen molecules has been measured by using ion storage technique .

2发射探针对等离子体的诊断：等离子体中含有Nb的激发态原子、Ar的激发态原子以及离子和N2的分子离子；随着N2流量的增加，出现了靶中毒现象。

The diagnostic results of OES : there are Nb + , Ar + , Ar + and N2 + in plasma and target poisoning appears with N2 flow increasing .

采用10ng/mlRh和Sc为双内标补偿校正镓基体的抑制效应，采用碰撞室（CCT）技术消除多元素分子离子的干扰；

It used 10ng / mlRh and Sc to compensate the depression effect , used CCT to eliminate the interference of multi-element molecule and ion .

结果发现使用这一新的技术能明显提高被检测多肽分子离子信号的信噪比（S／N），和传统的不锈钢靶板技术相比，平均信噪比提高了5倍。

The average signal-to-noise ratios ( S / N ) for molecular ion signals obtained with this one-step method are found to be 5 times better than that obtained using traditional metal plate method for the BSA digests under the optimizing condition .

C+离子比N+离子的角分布具有更窄的半高宽，这说明CO分子离子在激光场中沿着激光偏振方向的准直程度要高于N2分子离子。

CO molecular ions are more easily aligned along the laser polarization than N2 molecular ions because the angular distribution of C + ions has the narrower full width at half maximum than N + ions . 4 .

第七章展望了几项值得继续深入开展的研究工作和方向，在方法和设备完善之后工作的中心应围绕探寻新的分子离子及瞬态中性分子展开，如PN~+、CN~+及PN等。

Future work is discussed in chapter 7 . After the improvement of the techniques , future study should center on the spectral observation of new transients such asPN ~ + , CN ~ + and PN etc.

结果表明，以PEG为内标的ESI/TOF质谱法可对不稳定碱性化合物的质子化分子离子（MH~+）进行准确质量测定，而且简便、快速。

Using polyethylene glycol ( PEG ) as internal reference , ESI / TOF mass spectrometry can determine the accurate mass of the protonated molecular ions of the unsteady basic compounds . This method is simple and expeditious .

而存在分子离子及同量异位素~（99）Ru的干扰，采用传统的质谱方法也很难实现对它的高灵敏测量。

Due to the existence of the interferent of the stable isobar Ru and molecules ions , the common Mass spectrometry is also difficult to detect the ~ ( 99 ) Tc with high sensitivity .

从反冲离子飞行时间谱得到氮气分子离子的库仑爆炸释放的动能（KER），并与库仑爆炸模型进行了比较。

The kinetic energy release ( KER ) of the fragments is derived from the time-of-flight spectra . The results are compared with CE model .

根据CID技术得到的RDX和HMX的分子离子，加合离子和特征碎片离子，易确定RDX和HMX的结构。

According to the molecular ions , the adduct ions and characteristic fragmentation ions of RDX and HMX obtained by CID technique , the structures of RDX and HMX are easily confirmed .

质谱：大气压化学电离源（APCI），选择性监测（SIR）质荷比（m/z）分别为226（特布他林），260（内标），368（班布特罗）带正电荷的分子离子峰定量。

MS : Use atmospheric pressure chemical ionization ( APCI ), and selected ion mass spectral ( m / z ) 226 ( terbutaline ), 260 ( internal standard ), 368 ( bambuterol ) to quantify .

含硒化合物在质谱裂解图中有特征分子离子或离子峰簇，其主要峰M：（M-2）约为2：1，完全不使用标准样品，也可以辨别含硒化合物。

In MS , the Se-containing compounds had the characterized molecular or ion clusters , and the M : ( M-2 ) is about 2:1 in the clusters .

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。

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 .

本工作用电荷分离（CS）谱和电子捕获诱导解离（ECID）谱研究了三种苯二胺异构体的双电荷分子离子在气相中的结构和反应。

The structures and decomposition reactions of doubly charged phenylenediamines were studied by means of charge separation ( CS ) and electron capture induced decomposition ( EOID ) spectra .

并用软电离手段&快原子轰击正、负离子（PFAB和NFAB）质谱，使EI谱上不出现分子离子峰的两个化合物而获得满意结果。

The problem of 2,6 compounds with no molecular ions peaks in EI mass spectra was successfully solved by adopting fast atom bombardment mass spectrometry ( FABMS ) .

利用XUV激光结合高分辨光电子能谱的方法，我们研究了一些重要分子离子的光谱，如：CH3CN+/CD3CN+的电子运动与核振动之间的相互作用（Jahn-Teller效应）。

Using an XUV laser and zero kinetic energy photoelectron spectroscopy we have studied the spectroscopy of various important molecular ions , such as the electronic-vibrational interaction in CH_3CN ~ + / CD_3CN ~ + ( the Jahn-Teller effect ) .

研究了聚乙二醇（PEG）为内标物的电喷雾（ESI）/飞行时间质谱（TOF-MS）准确质量测定方法，并应用于5个红霉素类抗生素质子化分子离子（MH~+）的质量测定。

Using polyethylene glycol ( PEG ) as internal reference , electrospray ionization ( ESI ) / time - of - flight mass spectrometry ( TOF - MS ) was developed to determine the accurate mass of the protonated molecular ions of five erythromycin analogue antibiotics .

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 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 .