查询词典 normalization factor

Stress intensity factor is obtained by solving singular integral equation. Numerical examples are given to show the effects of material properties, interlayer thickness, and especially the distribution parameter k on the stress intensity factor.

通过处理奇异积分方程得到了应力强度因子，数值结果给出了材料特性、界面层厚度、尤其是分布特征参数k对应力强度因子的影响。

The loading program, by which the load can be directly applied to the internal force influence surface, is generated and used to get the result of loading on the influence surface. Through comparing the result of loading on the internal force influence surface of assembly skew hollow slab bridge with the one of the perpendicular bridge, the reduction factor method is offered and its corresponding reduction factor can be obtained.

编制了内力影响面加载程序实现对内力影响面的直接加载；在此基础上，通过参数分析，对比装配式正交空心板桥和斜交空心板桥内力影响面加载的结果，提出斜交空心板桥设计计算的折减系数法，并给出相应的折减系数。

MethodsNeural tubes isolated from the region between midotic placode and third somite of mouse embryo at ED 8.5d were cultured in DMEM/F12 serum-free medium containing basic fibroblast growth factor and epidermal growth factor. The cell cycle of CNCCs was analyzed with flow cytometry, the proliferation capability was determined by MTT method, AP-2α expression was detected by immunocytochemistry as a biological marker of cardiac neural crest cells. The features of migration, multi-directional differentiation were observed as well.

材料与方法成年2月龄C57／BL6小鼠交配，取ED8.5d小鼠胚胎枕中部至第3体节神经管，应用包含碱性纤维生长因子和表皮细胞生长因子的无血清培养基培养，利用MTT法检测细胞增殖能力，利用流式细胞仪检测细胞周期，采用转录激活因子2α(AP-2α，Activator protein-2α)作为其生物学标记物，观察其增殖状况、细胞周期、迁移、分化等生物学特性。

Water supply of city is its vital arteries and offers necessary condition for producing and living. It is the key factor of city development and also the important factor of society stableness.

城市供水是城市的命脉，它为城市的生产、生活提供着必需的条件，是制约城市发展的决定性因素，甚至也构成了关系社会安定的重要因素。

The paper outlines the general design method for the minimum beat systems, an discussion on the role of the staleness weighting factor in improving transient response performance of digital control systems and the method to introduce the staleness weighting factor alongwith examples applied in practical engineering systems.

本文概述了最少拍系统的一般设计方法，讨论了失效加因子改善数字控制系统瞬态响应性能的作用，以及引入失效加权因子的方法、并给出了它们在实际工程系统设计中应用的例子、对完善最少拍系统设计方法在工程上的应用具有一定的价值。

In the image layer to the adaptive control approach, through the introduction of quantization step size factor - encoding bits output mapping table to identify each frame image quantization step size factor of the reference value.

在图像层采用后向自适应控制的方法，通过引入量化步长因子—编码输出比特数映射表，确定每帧图像量化步长因子的基准值。

These parameters were the inhibition factor of vagal activity, the weighting factor of pulmonary stretch receptor and the gain of autonomic activities.

这些参数分别是迷走神经抑制比例、肺牵张反射的权重因子以及自主神经的放大系数。

Objective:To investigate the effects of marrow stroma cells on the expression of nerve growth factor and brain-derived neurotrophic factor after traumatic rat brain injury.

目的：研究骨髓基质细胞治疗脑创伤大鼠后内源性的神经生长因子和脑源性神经营养因子的影响。

Taking into account Reliability and strength and stress scatter, the paper introduces calculate formula of structure safety factor by design theory of reliability and putting forward a definition to structure safety factor.

根据可靠性设计思想，考虑结构的可靠性、强度及应力的分散性，给出安全系数的定义，推导出安全系数的理论计算公式，为合理选择安全系数提供参考。

Chapter 7 at first introduces the elementary theory of subentry coefficient designing methods and deduces the calculational formula of single safety factor considering the reliability, then propounds the numerical calculation method of random safety factor to make foundation for deep investigation.

第七章先介绍了分项系数设计法的基本原理，推导了可靠性意义下的单一安全系数的计算公式，然后提出了随机安全系数的数值计算方法，为进一步研究随机安全系数打下基础。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。