谱

After analyzing five samples of the nickel based alloy, with different content of element Co, it was found that the intensity ratio of the analysis spectrum, Co393.60nm, and the comparison spectrum, Fe 393.03nm, is of strong linear and positive relationship with the content of the element Co.

使用Co393.60nm谱线为分析谱线，Fe 393.03nm谱线为比较谱线，对5种不同Co元素含量的镍基高温合金标准样品进行了分析测定。

Thereby, these facts indicate that the SDE not only have better statistic properties but also have uniformly smaller mean square errors than ANOVAE in an available group of linear mixed models. The other significative following work is to generalize the idea of SDE to multivariate linear mixed model and obtain the SDE of variance component matrices which uniformly dominate the ANOVAE either.

对于含有一个随机效应的混合模型，目前文献中都仅讨论了方差分量的谱分解估计和ANOVA估计等价的充要条件，本文首次给出了方差分量的谱分解估计在均方误差意义下严格的优于ANOVA估计的理论结果，并推广到广义谱分解估计，从而说明谱分解估计不仅较ANOVA估计有更好的统计性质，而且在一类常用的模型下有更小的风险损失。

The dynamic flow profile inside a conically shaped column for preparative liquid chromatography was studied by using a self-made device where the movement of acolored sample in the column could be observed clearly and truly.

利用自制的台锥形色谱柱内谱带流型可视化研究装置，对台锥形色谱柱内样品谱带的流型进行研究。

A method of time delay estimation by two times spectral analysis, where the time delay is the time interval between peaks of spectrum of the cross power spectral density, is proposed in the paper. It can be used to estimate time delay of not only single target but also multi-target without unwrap.

本文提出了两次谱分析时延估计方法，即将互功率谱函数再次进行谱估计，二次谱峰值位置间距即为时延估计，这种方法既能够估计单目标时延，又能够估计多目标时延，并且不用相位解绕。

On the base of fatigue loading spectrum achievements, combining the characteristics of large-span grid structure with hanging cranes and the using-requirement on fatigue loading spectrum of grid structure with hanging cranes, this paper has firstly put forward the theoretic method for constructing fatigue loading spectrum of grid structure with hanging cranes, organized the relevantprogram--GJFLS. and elementally established the program loadingspectrum .

在继承疲劳载荷谱已有成果的基础上，本文结合网架设置悬挂吊车的特点以及网架疲劳载荷谱的使用要求，首次提出了网架疲劳载荷谱编制的理论方法，并编制了相应的程序，初步建立了网架程序载荷谱。

It is for the first time that the fingerprint spectrum of essential oil of 19 species of Bupleurum genus is established by GC relative retention times, and according to the overlap ratio of peaks and eight strong peaks in the fingerprint spectrum, their comparative study is achieved.

本文首次利用气相色谱的定性参数——相对保留值建立了柴胡属19种植物发挥油的GC指纹谱，并根据指纹谱中色谱峰的重叠率和八强峰进行分析对比研究。

The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p-polynomials, as well as the permutation theory over finite field: The new definition of Chrestenson linear spectrum is given and the relation between the new Chrestenson linear spectrum and the Chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field; The distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field GF (2) and prime field F〓; The relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of Chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed; Using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized Bent functions over its prime field; The existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p-polynomials over finite field.

重新定义了有限域上逻辑函数的Chrestenson线性谱，考察了新定义的Chrestenson线性谱和原来的Chrestenson循环谱的关系，并利用一组对偶基给出了有限域上逻辑函数的反演公式；给出了有限域上随机变量联合分布的分解式，并利用随机变量联合分布的分解式对有限域上逻辑函数的密码性质进行了研究；给出了有限域上逻辑函数与相应素域上向量逻辑函数的关系，探讨了它们之间密码性质的联系，如平衡性，相关免疫性，扩散性，线性结构以及非线性度等；讨论了有限域上逻辑函数各类线性结构之间的关系，并给出了任意点都是线性结构的逻辑函数的全部构造，由此引出了有限域上的"泛仿射函数"的概念；考察了有限域上逻辑函数的退化性与线性结构的关系、退化性与Chrestenson谱支集的关系；给出了有限域逻辑函数非线性度的定义，利用有限域上逻辑函数的非线性度与相应素域上向量逻辑函数非线性度的关系，考察了有限域上逻辑函数的非线性度与线性结构的关系；利用有限域上逻辑函数与相应素域上向量逻辑函数的关系，揭示了有限域上的广义Bent函数与相应素域上的广义Bent函数的关系，以及有限域上的完全非线性函数与相应素域上向量广义Bent函数之间的关系；给出了任意有限域上任意n元完全非线性函数存在性与否的完整证明，并利用有限域上平衡的p-多项式的性质给出了有限域上完全非线性函数的一些基本构造方法。

This paper points out that as the peak of the first order wind spectrum situated at a region of very low frequency, the contribution of the sum_frequency part to the second order wind spectrum is no longer negligible.

本文指出，由于风速谱与波浪谱不同，它的能量峰值位于极低频率处，因此二阶风速谱中和频项的贡献不能忽略，为此本文首先导出了保留和频项情况下的二阶风速谱表达式，并将和频项与差频项在数值上作了比较。

Regular porosity in about 38 nanometer size was observed using atomic force microscopy. Excitation and Emission spectrum were obtained by using F-4500 fluorometer.

用F-4500型荧光分光光度计测量其三维荧光谱，与未经氧化的铝片作对比，发现前者的激发谱在280 nm~340 nm有一个较宽的谱带，并且在253.8 nm附近有一个肩峰，发射谱有一个以417.4 nm为峰值的较宽谱带，而后者却无任何明显的发射峰和激发峰。

The recognition of voiced phonemes in final is based on the first and second formant which are extract from FFT spectrum.

根据浊音的特点，研究了浊音的短帧FFT谱，提出利用谱图和浊音谱结构的知识提取第一、二共振峰等参数，并根据在FFT谱上提取的第一、二共振峰进行浊音串和韵母的识别的方案。

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。