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谱函数

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Systemic studies on quality of Hypericum Japonicum Thunb Pattern recognition of TLC fingerprint characteristics: TLC fingerprint chromatograms were conceived and conducted by computer aided analysis and process; Canonical discriminant function and Fisher's discriminant function were established to provide a brand-new method for quality evaluation of Hypericum Japonicum Thunb samples.

田基黄色谱指纹特征的化学模式识别研究:(1)田基黄TLC指纹特征的计算机模式识别:构建了田基黄药材TLC指纹图谱,并对指纹特征进行了计算机解析与处理:建立了典则判别函数和Fisher's判别函数,为田基黄药材的质量评价提供了一种全新的方法。

By means of the qualitative and quantitative analyses on the characteristic of energy spectrum of the scaling functions, the stuitable region of this numerical method of inversion in the image by inversion is given.

通过对小波尺度函数的低带通谱特性的定性与定量讨论,给出了这一反演方法所得原像函数的适用域。

This method can eleminate the influences of energy leakage, window function, palisade effect and etc.

用这种最大熵谱分析方法可以消除传统熵谱分析中的能量泄漏、窗函数、栅栏效应等对诊断结果带来的影响。

In this paper,the author give the spectra characterizations of nonsigular feedback polynomials and local permutation polynomial s over finite fields and residue class rings,and simplify existing results over prime fields,and provide a new proof method for the spectra characterization of correlation immune functions over finite fields and residue class rings.

本文给出了有限域和剩余类环上非线性反馈移存器的非奇异反馈多项式及局部置换多项式的谱刻划,简化了素域上的现有结果,并对有限域上和剩余类环上相关免疫函数的谱特征给出了一个新的证明方法。

The application of high order spectral analysis is related to computations of high order moment functions and multi-dimensional Fourier transforms. The errors appear in these computations and limitation of measured data may cause the failure of such comparison.

高阶谱分析方法的应用中要涉及到高阶谱矩、高阶相关函数及高维傅立叶变换的计算,这些计算所带来的近似及试验记录的局限性很可能是导致两种方法比较时不成功的原因。

In chapter 4, by AREELS, the Generalized Oscillator Strength Density Spectra were measured in the energy region from 56 to 66eV, with the incident energy 2. 5 keV and energy resolution 80 meV, at scattering angles from 0°to 6°, corresponding to the momentum transfer K〓=0.03~2. 01 a. u. The Fano profile parameters f〓 and q for the optically allowed transition 〓(0, 1)〓P°and the optically forbidden transitions 〓(1, 0)〓S〓and 〓(1, 0)〓D〓 were obtained as a function of K〓. With the hyperspherical coordinate wavefunctions, the dynamical correlation are discussed qualitatively. So, a new experimental way to study dynamical electron correlation effect is opened.In chapter 5, the widely used R-matrix theory was introduced. Then, the GOSDS for the optically allowed excitation series (1s〓)〓S〓→〓(0, 1)〓P°(n=2-4) were calculated by this method, and the Fano profile parameters f〓 and q were obtained sequently. So the electron correlation effect can be described by these parameters quantitatively, and the theoretical results were compared with our AREELS experimental results.

在第四章中,实验上,同样使用角分辨的高能量分辨快电子能量损失谱仪,在2.5keV电子入射能量和80meV的能量分辨下,测量了0°到6°散射角下的He原子双电子激发态在56~66eV的广义振子强度密度谱,这种情况,0°~6°对应的动量转移范围K〓=0.03~2.01a.u。,得到了光学允许跃迁的双电子激发态〓(0,1)〓P〓和光学禁戒跃迁的双电子激发态〓(1,0)〓S〓、〓(1,0)〓D〓的Fano线形参数f〓,q等随动量转移变化的曲线;观测到了几个强度很弱、能级很窄的光学允许和禁戒跃迁双电子激发态,用前人准确的理论结果进行了标识;通过比较弱共振〓(1,0)〓S〓和〓(-1,0)〓S〓的强度随动量转移K〓的变化规律,结合超球坐标理论计算的波函数,定性地阐述了在电子碰撞散射过程中它们各自不同的动力学电子关联效应,发展了一套在实验上研究电子关联效应的新方法。

Chromatographic fingerprint index F and chromatographic fingerprint relative index Fr were used as the objective functions for the evaluation,and the extract of Saussurea involucrate by water was used as the sample.

以色谱指纹图谱指数F和色谱指纹图谱相对指数Fr作为评价毛细管电泳分析系统的目标函数,以雪莲药材水提取液为样品,考察一定浓度的硼砂、硼酸、磷酸氢二钠和磷酸二氢钠溶液按三角形优化法和四面体优化法构成背景电解质时对样品的分离情况,通过添加有机改性剂和调节pH进行再优化。

By this solid-contacting configuration, it was found that the spectra of dielectric function measured at the metal-substrate interface do change with the refractive index and differ from those measured at the metal-air interface in both the Drude and interband transition regions.

采用不同折射率的梯形棱镜作衬底,室温下用热蒸发或电子束蒸发的方法,在棱镜底面生长一系列金膜和银膜,使用椭圆偏振光谱方法分别测量了金属与空气界面及金属与衬底界面的介电函数谱。

We make a rather thorough review of the QCD sum rule approach, which includes the correlation functions and the spectral representations, OPE, Borel transformation, the fixed point gauge, condensates and their empirical values, Borel stability, the dispersion relation and the commonly used

我们对于 QCD 求和规则作了比较全面的评述,包括:关联函数与谱表示;算符乘积展开;Borel变换和固定点规范;凝聚量及其经验值;Borel 稳定性;色散关系和谱密度的常用模型;Wilson 系数的计算;外场方法等。

The method of minimizing the Expected Shortfall: the Pflug-Rockafellar-Uryasev method was introduced and was extended to HARA Spectral Measure of Risk M_. Constrained risk-reward optimization is in factshown to coincide with unconstrained minimization of particular spectral measures.

介绍了α-ES最小化的Pflug-Rockafellar-Uryasev方法将其推广至双曲类风险厌恶函数谱测度M_φ约束下的优化问题,证明了经典的马科维茨风险收益问题与对应的无条件限制的谱度量最小化是一致的。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。