The results show that the single aerosol particles of aromatic compounds can easily lose a electron to form a molecular ion spectrum , and its functional group is liable to dis.
发现这几种芳香族化合物气溶胶单粒子的LDI-TOFMS谱都是容易优先失去一个电子形成母体离子峰M+,其官能团也极易脱落,这为我们进行有机分子在气溶胶状态下的激光质谱特征研究以及单颗粒大气气溶胶化组成的鉴别提供了基本信息。
Researches on B/Y Peak Selecting Algorithm Based on Support Vector Machine Classification and Peptide Sequence Tag Generating Algorithm;
基于支持向量机分类的b/y离子峰选取算法及肽序列标签生成算法的研究
The Measurement and Analysis of Argon Plasma Arc Temperature Distribution Using Off-axis Peak Intensity Method
用离轴峰值法测定氩等离子体电弧的温度分布
Peak-Width Quantitation for Flow-Injection Microwave Plasma Torch-Atomic Emission Spectrometry
流动注射等离子体炬原子发射光谱峰宽定量法
Tables of Peak Positions for XPS Photoelectron and Auger Electron Peaks
XPS光电子峰和俄歇电子峰峰位表
At 24h after reperfusion the intracellular calcium level reached the peak, and began to decease at 72h.
钙离子于再灌注后1h开始升高,至24h达到高峰,72h出现下降。
The Study on the Aero-anion, Dust Absorption Effect and Noise Reduction Effect in Three Different Forest in Lianfengshan Park;
联峰山公园三种林地内空气负离子水平、滞尘及降噪能力研究
A Correlation Study of the Day-to-day Variability of F2-layer Peak Electron Density over Europe;
欧洲上空电离层峰值电子密度逐日变化的相关性研究
Raman Spectra of Carbonate Ions as Pressure Gauge at High Pressure and Room Temperature
常温高压下碳酸根离子的拉曼谱峰标定压力初探
The mountain peaks recede into the distance as one leaves the shore.
人离岸时，山峰向后退去。
The volatile matter of Chinese lacquer was separated by GC with PEG 20M capillary column and FID. 7-9 components have been separated.
利用毛细管色谱柱和氢火焰离子化检测器对生漆挥发物进行分离,分出7～9个色谱峰。
The results showed that: (1)the chromatogram were characteristic of sharp peak,less interferene,completes separation between a series of fatty acid methyl esters;
图谱表明各峰间分离效果良好、峰形尖锐、干扰少。
Some Problems Related to Correct Peak Seeking of Spectral Lines of the Elemets in Low Concentrations for Computer Controlled Scanning Monochromator With ICP Excitation source
电感耦合等离子体扫描单色器分析系统为低浓度元素谱线准确寻找峰位的几个问题
We left early to beat the rush-hour traffic.
我们抢先在交通尖峰时刻前离开。
The flame of the sunset lifted from the mountain tops and dusk came into the valley.
落日余晖离开了峰顶，谷内暮色苍茫。
The distance between peaks increases as the thickness is reduced.
峰值间的距离随厚度的减薄而增大。
Different notes have different distances between the tops of the waves.
音调不同，声波波峰之间的距离也不同。
They were only 100 metres off the summit when the accident happened.
事故发生时他们离峰顶只有100米远.
ion plasma wave and ionic plasma oscillation
离子等离子体波和离子等离子体振荡