The stability of the helical equilibrium is analyzed with phase plane method, and an analytical criterion of stability is revealed.
用相平面法分析螺旋线平衡的稳定性，导出解析形式的稳定性条件。
Solid phase spectrophotometry is a new, simple, fast and sensitive trace analytical method.
固相分光光度法是一种简单、快速、灵敏的新型痕量分析手段。
The analytical expressions for the phase and group velocities of the axial optical field, accelerating potential and energy gain etc. are derived and are used to make numerical analysis.
给出了轴上光场的相速度和群速度、加速电位及电子能量增益等的解析表达式，并作了数值计算和分析。
The latest advances in solid phase organic reactions and its analytical techniques were reviewed in this paper.
综述了近几年固相有机反应和分析方法的最新进展。
It was found that the analytical results accorded well with the true contents, indicating that the established standard curves could be used for high precision phase quantitative analysis.
用这些标准曲线对模拟样品进行了定量分析，分析结果和实际值完全吻合，表明所建立的标准曲线可用于高精度的物相定量分析。
Two sets of algebraically explicit analytical solution are derived for the partial differential equation set describing the one dimensional unsteady gas-liquid two phase flow.
对气液两相非定常一元流动方程组导出了两套代数显式解析解。
The phase retrieval problem from single intensity measurement was also discussed in terms of the properties of analytical function or under consideration of sampling theorem.
由单强度测量来恢复相位问题，也有过讨论，可以利用解析函数特有性质或应用取样定理来实现相位恢复。
An simple analytical computation formula is given for field signature of the shims to predict the field and phase perturbation according the shim position, size, thickness and magnet gap.
给出了波荡器垫补修正场的简单解析计算式，可根据垫片的位置、大小、厚度、磁极间隙等参数直接计算出对磁场及位相的修正。
The zero phase shifting filter technology was introduced to the field of analytical chemical signal process.
无相移滤波技术引入了分析化学信号处理领域。
The analytical expressions of the error spectra caused by random errors in the measurement of amplitude and phase of the near field in planar near field measurements are presented.
导出了平面近场测量中近场幅相随机误差所引起的误差谱的解析表达式。
In this article the analytical calculation has been made for the evaporator heat transfer in absorption-diffusion refrigeration system with the annular two-phase two-component heat transfer model.
本文采用双组分环状二相流模型对吸收-扩散式制冷系统蒸发器的传热进行了分析计算。
A quantitative analytical method was established for fomesafen by using reversed phase HPLC.
采用高效液相色谱外标法对氟磺胺醚进行定量。
An analytical method is used to investigate the chiral symmetry restoring phase transition at finite temperature and density.
本文用解析方法研究了有限温度和密度下的手征相变。
However, the two-phase flow field in drip emitter is too complex to be characterized using analytical approach now.
然而，由于灌水器内固液两相流场的复杂性，目前很难用解析的方法来描述整个流场特性。
Several kind of nor-mal phase shifters and their analytical methods are introduced here.
分别介绍了几种较为常用的移相器，并给出了相应的理论方法。
Solid-phase microextraction (SPME) is widely used in analytical laboratories for the analysis of organic compounds, thanks to its simplicity and versatility.
因其简单实用，固相微萃取（SPME）在实验室分析中被广泛用于有机化合物分析。
Phase ratio, particle size and thermal analytical character of the powder have been studied by DTA, particle size analyzer and X-ray diffraction.
应用DTA热分析仪、颗粒度分析仪和X光衍射仪研究分析了粉末的热分解特性、颗粒大小和分布以及相组成。
Vapour phase chromatography has rapidly become one of the most successful analytical techniques.
色谱法已经迅速成为最成功的分析方法之一。
This paper presents pressure drops for vertical pipe in dense-phase pneumatically conveying pulverized coal under high pressures by a method of experimentation and analytical calculation.
该文通过试验和理论计算两种方法研究了高压下煤粉密相气力输送垂直管段的压力损失情况。
The characteristic, theory, fiber coatings, method development of solid-phase microextraction and its coupling with other analytical technologies were reviewed with 59 references.
评述了固相微萃取技术的特点、理论、表面涂层材料和方法的建立，以及与一些分析技术的联用。
Through an analytical method of frequence response, the performance of phase-shift-frequence and amplitude-versus-frequence linear shale shaker has been analyzed.
采用频率响应分析方法，分析了该直线振动筛的相频特性、幅频特性。
Through an analytical method of frequence response, the performance of phase-shift-frequence and amplitude-versus-frequence linear shale shaker has been analyzed.
采用频率响应分析方法，分析了该直线振动筛的相频特性、幅频特性。
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