有些分子离子断裂成为较小的子离子和中性碎片。
Some of the molecular ions fragment into smaller daughter ions and neutral fragments.
目的研究电穿孔技术对小分子离子型药物经皮渗透的影响。
OBJECTIVE To study the effects of electroporation on the permeation of small molecular ion drug through skin in vitro.
它不导致复杂的谱线线型，非常适合进行分子离子的振转光谱测量。
It doesn't complicate the spectral line shape and is most suitable for detecting the ro vibrational spectrum of molecular ions.
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。
It pointed out that the negative ion DCIMS can provide very useful information for characterizing molecular ion of monosaccharides.
本文测定设计的两个过程中同一分子离子的表观电势，用质谱法测定出分子的离解能。
This article is devoted to the measurement of the appearance potential of the Same molecule ion in two processes and of the dissociation energy of molecules by mass Spectrometry.
自由基分子及分子离子光谱在天体演化、化学反应动力学、医学等方面具有重要意义。
Free radicals and molecular ions play an important role in the study of interstellar medium, chemical reaction dynamics and medicines.
电喷雾质谱（ESI-MS）技术是一种软电离技术，其中主要是分子离子形成。
Electrospray ionization mass spectrometry(ESI- MS) is a soft ionization technique by which molecular ions are mainly formed.
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 favors the formation of quasi-molecular ion (QMI) or other adduct molecular ion (OAMI) in positive mode.
本文的研究主要包括以下几个方面：首先，一维线性多原子分子离子与强激光场相互作用的谐波研究。
The main jobs of this article are as follows: Firstly, the research on the one-dimension multi-atom molecular ions exposed in the ultra-short laser pulse.
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.
本文阐述了束-箔方法测量原子、分子离子激发态寿命的原理和优点，阐述了我们的实验过程和得到的一些结果。
The principles and advantages of measuring lifetime of atomic and molecular excited states using the beam-foil method are described.
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。
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。
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.
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