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- wavelet spectral method 声辐射
- In this paper,it is studied that the angular spectral method for electromagnetic wave propagation is equivalent to Huygens principle. 证明了平面电磁波传播的角谱法与惠更斯原理是完全等效的。
- The present paper deals with improvement of spectrograph electrode detecting Au by chemical spectral method and its application results. 论述了化学光谱法测定微量金的摄谱电极的改进及应用效果。
- Abstract： This paper reviews some recent development in time seri es spectral analysis,particularly a new generalized spectral method. 摘 要： 综述了时间序列频谱分析;尤其是一种广义频谱方法的新近发展.
- Methods:Morphological, microscopical and UV spectral methods. 方法:形态学、组织学和紫外光谱方法。
- A depth spectral method we developed for stereo matching has increased its credibility and realized the X ray stratified imaging. 利用深度谱分析物体层次，提高了立体匹配的置信度，提高了X射线立体透视的分层成像的质量。
- The application of nitrous oxide-acetylene flame atomic absorbance spectral method to measure the content of calcium in positive powder of thermal activated batteries is studied. 简述了用一氧化二氮乙炔火焰原子吸收光谱法测定热激活电池正极粉中钙含量。
- This photoacoustic spectral method shows high sensitivity and precision, particularly uitable for measuring the absorption spectra of weakly absorbing films. 尤其是测量弱吸收薄膜的吸收谱时;具有较高的灵敏度和实用性.
- In this paper,normal speciation techniques in analysis polymer ferric salt are classified as chemic analytical method,electrochemistry method,spectral method,micrograph. 本文将比较常见的聚铁盐形态分析方法,介绍了化学分析法、波谱法、电化学法、显微观测法。
- The Method of Wavelet Spectral Correlation in Processing Fractal Stochastic Noise 分形随机噪声信号处理的小波谱相关方法
- Since the 20th century, fluorescence spectral method (FSM), as one of important modern instrumental analysis techniques, has been rapidly developed. Its theory was gradually abounding, and its operating technique was gradually mature and diversified. 荧光光谱法作为一种重要的现代仪器分析方法，从20世纪以来得到了长足发展，理论日益丰富，技术日益成熟和多样化。
- The spectral element methods has the properties of finite element methods and the accuracy of spectral methods, Applying this method to Computational Aeroacoustics is promising. 谱元方法具有高精度和良好的边界适应性，将其引入计算气动声学问题中很有发展潜力。
- Residual lignins from sodium sulfide pretreatment kraft pulping were studied by chemical and spectral methods. 用化学和波谱分析研究了硫化钠预处理硫酸盐制浆中残余木质素的化学结构特性。
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- The structures of these compounds were elucidated mainly by spectral methods as three tetracyclo-triterpene acids (1-3),three steroids (4-6) and (+)catechin (7). 采用硅胶柱层析等方法从中分离纯化得7个化合物,通过波谱技术和理化常数对照确定了它们的化学结构,包括3个四环三萜酸(1-3)、3个甾体(4-6)及儿茶素(7)。
- Results The content of pinoresinol in Forsythia suspensa was 0.121%.Its structure was identified with spectral methods including IR, NMR and MS etc.Concl... 结果测得松脂素在连翘中的含量为0.;121%25;并采用IR;NMR;MS等方法确证了其结构。
- Spectral Method for a Class of Parabolic Equations 解几类抛物型方程的谱方法
- Recent Progress on Finite Spectral Method in CFD 流体动力学有限谱方法的进展
- A Spectral Method for Fokker-Planck-Landau Equation 解FOKKER-PLANCK-LANDAU方程的谱方法
- Keywords spectral decomposition inversion;wavelet spectral decomposition imaging;time-frequency tricolor and reservoir prediction; 分频反演;小波分频成像;时频三原色;储层预测;
