查询词典 factor analysis

Results of animal experiment showed different changes of cholecystokinin and somatostatin in central, peripheral and regional were the main pathologic factor to causing spleen asthenia in the animal model of liver depression and spleen asthenia, and change of corticotropin releasing factor was the main factor to inducing liver depression.

动物实验结果表明在肝郁脾虚的复合模型中，引起脾虚的主要原因是CCK、SS在中枢、外周、局部的不同含量变化，而CRF的含量改变是肝郁的主要环节。

A fast algorithm for calculating the inverse and Moore-Penrose inverse of the permutation factor circulant matrix is presented. Then, a fast algorithm for the product of the permutation factor circulant matrix is given. Finally, The least-square solutions of inverse problems and the optimal approximation problems for the permutation factor circulant matrix are discussed.

首先给出了一种求n阶置换因子循环矩阵的逆阵、自反g-逆、群逆、Moore-Penrose逆的快速算法，然后给出了计算两n阶置换因子循环矩阵之乘积阵的一种快速算法，最后给出了其反问题的最小二乘解的存在性定理及它的一般表示，并证明了逼近矩阵的存在唯一性且给出它的具体表达式。

The results show the temporal pulse shape modulation is affected by the broadening factor and the delay time, as spectrum modulation is only affected by the delay time, and the intensity factor changes similarly with the cosine function of the phase factor.

研究结果表明，时间调制与基元脉冲的展宽量及相邻脉冲之间的延迟时间有关，光谱调制只与相邻脉冲之间的延迟时间有关，而强度的演化则与相位因子的余弦函数演化具有一定的相似性。

Since long, our country to affects the file appraisal standard the factor research to be quite deep, for example document aspects and so on content, document origin as well as social demand achieved the mutual recognition, but the cost of storage factor is actually recent year only then mentioned that and develops it along with the market economy, in the file appraises in various factors the status to be getting more and more important, takes seriously and strengthens to the cost of storage factor research has the vital significance.

长期以来，我国对影响档案鉴定标准的因素研究颇深，例如文件的内容、文件的来源以及社会需求等方面都已达成共识，但保管费用因素却是近些年来才提到的，并且随着市场经济的发展它在档案鉴定诸因素中的地位愈来愈重要，重视和加强对保管费用因素的研究有着重要的意义。

The combination of epidermal growth factor, basic fibroblast growth factor and insulin-like growth factor can effectively promote the directional differentiation of BMSCs into oligodendrocytes.

碱性成纤维细胞生长因子、表皮生长因子与胰岛素样生长因子联合应用能够有效促进骨髓间充质干细胞向少突胶质样细胞定向分化。

D. Applications, characteristics, sizing and selection of different types of cables/overload lines with due considerations to load factor, diversity factor, power factor, voltage drop and maximum demand of the installation.

各种电缆/架空电缆的应用、特性、尺寸定位和选择，必须适当考虑有关负载系数、不等率、功率因数、电压降及装置的最大需求量等因数。

According to the gallus colony stimulating factor (colony-stimulating factor, CSF) cDNA sequences published by GenBank, a pairs of specific primer was designed, the local dorking was injected 100 μg/mL ConA, total RNA was extracted from feeding 24 hours lymphocyte from spleen, then dorking colony stimulating factor cDNA fragment was cloned by RT-PCR technology.

根据GenBank中报道的红原锦鸡集落刺激因子(Colony-stimulatingfactor， CSF)cDNA序列，利用Primer Premier5.0软件设计一对特异性引物，对本地肉鸡注射100μg/mL ConA试剂，饲养24 h后，取脾脏提取淋巴细胞总RNA，利用RT-PCR技术克隆集落刺激因子的cDNA片段。

The action of the droit of factor of production and aborning of factor of production is to press foundation of theory of distributive of factor of production.

生产要素的所有权和生产要素在生产中的作用是按生产要素分配的理论基础。

This is the sum of the hysteresis loss factor, eddy current loss factor and residual loss factor.

式中 tan 〥 h 为磁滞损耗因数， tan 〥 e 为涡流损耗因数， tan 〥 r 为剩余损耗因数

The correction factor can be expressed in several equivalent forms: matrix tensor, velocity spreading factor and geometrical spreading factor.

该校正因子有几种等价的描述形式：度规量、速度扩散因子和几何扩散因子。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。