质荷比

由质荷比为4903.00、4971.15、5343.98的3个差异蛋白峰组成的诊断模型的敏感度、特异度高，对MM临床诊断有重要意义。

The diagnosis model which comprising of 3 protein peaks with mass-to-charge ratio of 4903.00 、 4971.15 、 5343.98 can obtain high sensibility and specificity .

从各主要分子离子峰之间质荷比差值都是58，推断该聚醚多元醇以环氧丙烷为单体。

While most of the mass-to-charge ratio differs in58 u , it can be concluded that the repeat unit of the polyether polyols is propylene oxide .

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 .

按照环状亚砜的质谱裂解机理和PSO3E质谱图中最强峰的质荷比特征，推断PSO3E是五元环亚砜。

In the light of the interpretation of mass spectra of cyclic sulfoxides and the character of the strongest peak of PSO3E mass spectra , PSO3E were a series five-membered cyclic sulfoxides .

烷基取代苯的质谱基峰质荷比的特征规律

A characteristic rule of rate of mass to charge for the base peak about alkyl benzenes

气相氢中质荷比为0.5,2.2和1粒子的质谱学探讨及实验证据

The Mass Spectrogram Theory and Experiment Evidence of The Particle of The m / e for 0.5,2.2 and 1 in Gas Hydrogen

研究表明，由于十二烷基磺酸钠-蛋白质复合物的质荷比接近，消除了电动进样中的进样歧视。

It was observed that analyte discrimination usually encountered in conventional electrokinetic injection was eliminated due to the similar charge to mass ratios of SDS-protein complexes .

2-烷基噻吩和2,5-（二烷基）噻吩质谱基峰质荷比的特征规律

The characteristic rules of rates of mass to charge for base peak about 2 - ( alkyl group ) thiophene and 2,5 - ( two alkyl groups ) thiophene

结果通过质谱的质荷比（M/Z）及色谱保留时间的相互比较，确定了咖啡酸、阿魏酸和原儿茶醛3种活性成分。

Result By comparing the ionic fragments of MS and retention time of each peak , the main active components in compound dandelion enema were determined , including caffeic acid , ferulic acid and protocatechualdehyde .

监控特征离子峰（m/z268、266、231、176），以总离子流的保留时间和质谱碎片的质荷比以及质谱碎片的相对丰度确保定性结果可靠。

The qualitation were safety to monitored ion current ( m / z 268,266,231,176 ), with the mass-spectrum and diagnostic ions ( m / z ) and relative abundance and retention time of total ion current of samples showed .

如今，我们能够通过含有成千上万个分析通道（如基因芯片，质谱的质荷比和近红外光谱、拉曼光谱等的波长）的仪器来获取实验样本的相关数据。

Now , we can get a vast amount of data about the samples by the aid of the instruments which is high throughput , such as gene-chip , mass-to-charge ratios of mass spectrometry , and wavelengths of Near Infrared Spectrum or Raman Spectrum .