查询词典 rational fractional function

A series of polyether based polyurethaneurea aqueous dispersions with well-defined hard segment s were prepared by fractional steps with polyether polyol, 4,4′-diphenylmethane diisocyanate,dimethylolpropionic acid,1,4-butanediol,isophorone diisocyanate and ethylenediamine.

以二苯基甲烷二异氰酸酯、二羟甲基丙酸、1，4-丁二醇、异佛尔酮二异氰酸酯和乙二胺为硬段，聚醚多元醇为软段，通过分子设计采用分步合成法，制备了具有规整硬段和良好分散性能的聚醚型聚氨酯脲水分散液。

By utilizing the character of dissymmetrical fractional fourier transform and combine the algorithm advantage of space domain and frequency domain,it presents a blind image watermarking algorithm.

结合空间域和变换域算法特点，利用不对称分数傅立叶变换的特性，提出了一种图象盲水印算法。

To assess the dosimetric difference and inter-fractional variation of balloon setup, the paired Student t-test was used.

用成对样本t检定评估剂量分布差异及分次治疗间摄护腺的位移误差。

In fact, the multiplicity is caused by the reason that there are a lot of techniques to fractionalize the eigenvalues of Fourier transform in the procedure of constructing the fractional Fourier transform.

实际上，分数傅立叶变换的多样性主要是由傅立叶变换的特征值在构造分数傅立叶变换时可采取不同的分数化方法所决定的。

RESULTS: There was reduced fractional anisotropy in patients with schizophrenia in regions corresponding to the superior longitudinal fasciculi bilaterally and in the genu of the corpus callosum.

结果：分裂症患者的双侧上纵束和胼胝体膝部的FA值降低。

ObjectivesOsteoarthritis of the knee, also named as hyperplasive gonarthritis, or osteoarthrosis of the knee, is a common degenerative articular disease, characterized with pain and stiffness of the knee, and fractional sound when the knee is moving.

一。研究目的膝骨性关节炎(Osteoarthritis of the knee，KOA)，又称增生性膝关节炎、膝骨关节病等，是一种常见的退行性关节疾病，临床上以膝关节疼痛、僵硬、活动受限、活动时可有摩擦响声为特征，是一种累及骨、滑膜及关节周围支持结构的疾病。

Diffusion tensor imaging is a kind of new technique after diffusion weighted imaging.DTI can reflect anisotropy hydrone molecular diffusion features of damaged myeloid tissue through measuring apparent diffusion coefficient and fractional anisotropy.Accordingly,we can make more precise and allround estimate about spinal compression on microscopic scale.

磁共振扩散张量成像是继扩散加权成像后发展起来的一种新技术，它通过测量表观扩散系数及部分各向异性值来反映损伤脊髓组织的各向异性水分子扩散特征，从而在微观水平对脊髓压迫症做出更精确和全面的评价。

A TD-SCDMA frequency synthesizer is designed in this paper, third-order interpolative Delta-Sigma fractional PLL has been adopted for the frequency synthesizer designed.

本论文设计了一个基于三阶内插型Delta-Sigma小数分频电荷泵锁相环结构的TD-SCDMA频率综合器。

The reaction order of was found to be unity and that in isobutyl alcohol to be positive fractional.

结果表明反应对鈰离子为一级，对异丁醇的表观反应级数为正分数。

The mafic microgranular inclusionin the granodiorite shows the magmatic mixing process,whithout assimilation-contamination and fractional crystallization in the upward movement of magma.

基本一致。加之花岗闪长岩类中含镁铁质微粒包体，认为花岗闪长岩类存在岩浆混合作用，岩浆向上运移过程中未发生同化混染和分离结晶作用。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。