Based on the previous literatures, the following major innovation works were carried out in this dissertation:(1) The derivatization reaction conditions of ephedrine and pseudoephedrine with sensitive derivation reagent in aqueous system were studied and two new methods were developed for the assay of them by microemulsion electrokinetic chromatography and micellar electrokinetic chromatography with LIF detection. The sensitivity and analysis times were greatly improved compared with the previous reports;(2) A new method of CZE with indirect LIF detection was developed for the simultaneous determination of six coumarin compounds (esculin, esculetin, isofraxidin, genistein, naringin and sophoricoside) with fluorescein as the probe. The proposed method enlarges the application range of LIF detector, and provides new approach for the analysis of certain compounds difficult to derivatize;(3) Based on the above research, an MEKC with indirect LIF detection method for the simultaneous determination of adenine and guanine in DNA extracts from fungus, maize and soybean was established;(4) A new method for the investigation of the complexes formed between human serum albumin and ampicillin sodium under the simulated physiology conditions using laser light scattering technique was developed.

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The paper gives a derivation rule of the power exponential function and analyzes some common calculation methods.

摘要證明了一條冪指函數(shù)的求導(dǎo)法則干天天干，并總結(jié)了冪指函數(shù)導(dǎo)數(shù)計(jì)算的常用方法。

The derivation of the effective magnetic field expression for the ferromagnetism materials with applied stress.

地磁場(chǎng)中受力鐵磁性材料有效場(chǎng)表達(dá)式的推導(dǎo)三级视频网站欧美日韩。

Based on the profound analysis of cable element and derivation of finite element method, measure of cable element affected by self-weight is put forward after the discussion of the affecting factors of self-weight. Taking full advantage of the UPFs development technology of Ansys, the user-element is developed and the procedure of implementation and technology of development is discussed seriously. And it is helpful to the redevelopment of other similar element.

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This paper brings forward the derivation and an explicit formula for the computation of the availability of a light path connection when shared-path-protection is adopted.

基本的保護(hù)方式有專(zhuān)用通路保護(hù)和共享通路保護(hù)兩種。

In this paper,the non-linear factors,such as spring torque,friction,intake resistance and gear clearance,are considered during the derivation of ETS model.Five controllers are designed in Matlab/Simulink,using PID,fuzzy,sliding model contro...

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The article is based on derivation of general and balanced model consumptive function, from theoretic analysis a few elements that restrict average per capita of our country dweller to consume growth, analysed an influence to consume meaning of a variety of policy effects of increase rate and its reality.

本文基于一般均衡模型推導(dǎo)了消費(fèi)函數(shù)，從理論上分析了制約我國(guó)居民人均消費(fèi)增長(zhǎng)的一些因素国产精品色在线播放，并分析了影響消費(fèi)增長(zhǎng)率的多種政策效果及其現(xiàn)實(shí)意義高清无码视频免费观看。

An optimal filter is designed specially for dq transform used in the voltage mea-surement of transfer switch,which is composed of lower-order notch filter and lower-order low pass filter with higher cut-off frequency in series.Its transfer function is presented by theoretical derivation.If the order is same,it is better in measuring the positive sequence of fundamental amplitude than the average filter and the low-pass filter.

針對(duì)轉(zhuǎn)換開(kāi)關(guān)電壓檢測(cè)法——dq變換設(shè)計(jì)了優(yōu)化濾波器，該濾波器是利用低階陷波濾波器和較高截止頻率低階低通濾波器串聯(lián)形成的十八岁以下禁止观看的网站，通過(guò)理論推導(dǎo)給出了該濾波器的傳遞函數(shù)另类小说图片，在相同的濾波階數(shù)下久久资源综合，該優(yōu)化數(shù)字濾波器在提取基波正序幅值的性能比較中亚洲AⅤ色福利天堂在线观看，優(yōu)于平均值濾波法及低通數(shù)字濾波器法等。

Further, with the help of Riccati equations, an infinite number of conservation laws for the solton hierarchy are deduced. For the sake of simplicity, taking the general TD hierarchy as an illustrative example, we prove that its 2×2 Lenard pair of operators forms a Hamiltonian pair. Thus the isospectral evolution TD hierarchy is the general Hamiltonian system and possesses the Bi-Hamiltonian structures and Multi-Hamiltonian structures. By using the method of derivation of functional under some constraint condition, a complete one-to-one correspondence between the Hamiltonian functions of the hierarchy and its conservation density functions can be built. These results can also be applied to the isospectral evolution soliton hierarchy of this paper. Finally, there's a gauge transformation between the spectral problem of this paper and the AKNS system. Moreover, the potentials in these spectral problems satisfy the general Miura transformation, the corresponding relationship between the two soliton hierarchies is also given.

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