spectral evolution是什么意思

网络释义

用法例句

For spatial discretization,the compact finite difference schemes on non-uniform meshes in x and y direction are adopted with Fourier spectral expansion for numerical approximation in z direction,the spanwise direction.

在时间离散上应用3阶精度混合显-隐相结合的分裂格式,空间离散在x及y轴向采用非等间距网格的紧致有限差分格式与z向应用Fourier谱展开相杂交的数值方法逼近。

By constructing a quasi birth-and-death process and applying the spectral expansion method the algorithm of stable indexes are given,especially the explicit expression of stationary distribution when c=2.

在该排队模型中,信元的到达遵循泊松过程,服务时间服从指数分布,通过构造拟生灭过程和运用谱展开方法给出了平稳队长分布的算法,具体给出了c=2时平稳队长分布的显式表达式,以及在反馈优先和反馈非优先两种策略下的排队指标,并作出了相应的指标性能分析,得出信元在反馈优先策略下的平均逗留时间较短,进而说明了该排队模型在通信网络中有广泛的应用价值。

Selecting Developing Agent in Synthesis Process of Roxatidine Acetate by TLC

罗沙替丁醋酸酯合成的薄层色谱展开剂的选择

A Research on Structure-preserving Algorithm and Pseudo-spectrum Expansion Based on One-dimensional Model Atom in Intense Laser Field;

强激光场中一维模型原子的伪谱展开与保结构算法研究

The application of the horizontal sandwich TLC development chamber for systematic toxicological analysis;

水平夹层式薄层色谱展开室在毒物筛选分析中的应用

Optimization of the TLC solvent system of alpha-tocopheryl ferulate by the uniform experimential design

均匀设计法优化α-生育酚阿魏酸酯薄层色谱展开剂系统

Optimistic opera facials are always smooth, while pessimism ones are always closing their eyes and curving the browns.

开朗乐观的脸谱总是舒眉展眼，悲伤或暴戾的脸谱多是曲眉合目。

Constructing Beijing Electron Spectroscopy Center,developing characteristic service;

建设北京电子能谱中心,开展优质特色服务

Two kinds of developing solvent choices in Chinese caterpillar fungus mycelium thin layer chromatograph

虫草菌丝体薄层色谱中两种展开剂的选择

Thin layer chromatography analysis of saponins from Sapindus mukorossi Gaerth.in different developing systems

无患子皂甙在不同展开体系中的薄层色谱行为

An attempt of multiple-electro-development on planar electrochromatography

多次电渗展开在平面电色谱中的应用探索

A redshift can be measured when light from a galaxy is broken up and spread out into a band of colors called a spectrum.

当从星系发出的光被分解展开成光谱的时候就可以测出红移了。

Furthermore, we have developed a method for characteristic expansion with discrete spectrum and also analyzed some problems pelated to concrete calculations.

此外,还分析了如何做分立谱特征展开以及具体计算中的有关问题。

Analysis on Pipa Music--Yu Diao Lv Yao;

一纸展开非旧谱 四弦翻出是新声——析琵琶曲《新翻羽调绿腰》

Modification of the developing agent in thin-layer chromatography

对《中国药典》(2005年版一部)薄层色谱法中部分含苯、甲苯展开剂的改进

Evaluation of Health Education among Rural Residents Regarding Death of Spectrum in Hekou District Dongying City

东营市河口区针对死亡谱开展农村居民健康教育效果评价

Phenol acids are separated by paper chromatography with mobile phase of micellar aqueous solution. The effect of8 kinds organic additive in micellar paper chromatography are discussed.

使用胶束水溶液作为纸色谱法的展开剂，分离了酚酸，并尝试了8种有机改性剂对分离的影响。

Achieving Distinctive Professional Directions of RINGT By Tackling Key Problems in Science and Technology,Composing Its Future Development Pages by Exploiting and Innovating;

科技攻关成就天研院特色专业方向 开拓创新谱写天研院未来发展新篇

Evaluation of New Development in Foreign AAS Technique--A Review Three AAS Manufacturers in hardware Improvement or Technical Breakthrough;

国外原子吸收光谱仪器技术发展分析——三家公司仪器特点及研究开发技术路线

To stretch or extend or to be stretched or extended.

（使）展开，（使）扩展使展开或使扩展，展开或扩展