查询词典 difference coefficient

This layer coating the friction coefficient is extremely small, the existing solid matter in the friction coefficient of the lowest kind.

这一层涂层的摩擦系数非常小，现有的固体物质摩擦的系数最低的一种。

The dynamics and heat transfer on the spinning line during the air drawing process are discussed in detail, mainly relating the forces acting upon the polymer along the spinning line and the expressions of the air drawing coefficient C〓 and heat transfer coefficient h. By introducing the power-law model as the constitutive equation to describe the theological properties of polymer melt and considering the changing of the density and specific heat capacity of polymer melt at constant pressure with the polymer temperature, the former model of polymer air drawing is improved and a complete polymer air drawing model is established, which is integrated with the model of air jet flow field of dual slot die.

在此基础上，对前人的聚合物拉伸理论模型进行了改进，以幂律模型作为描述聚合物熔体流变行为的本构方程，并考虑了聚合物熔体密度和定压比热随聚合物熔体温度变化而变化这个因素，从而建立了完整的熔喷聚合物拉伸理论模型。

In this method, the effect of the course of the excavation to the coefficient has been taken into consideration and the coefficient can be got by the initial tangent modulus of the curve about stress-strain relationship.

而目前关于其沿深度的变化规律有多种不同的假设，水平向基床系数的取值大多凭工程经验及现场试验来确定，带有很大的随机性且缺乏足够的理论依据。

Furthermore, this paper also elicits some disciplinary conclusions by studying an actual engineering examination. So it can offer some reference and evidence to the design of the soil-nail retaining system from the traditional safety coefficient method to the more economic and scientific subentry safety coefficient method.

进而，通过对一具体工程实例的分析研究得出了一些规律性的结论，为土钉支护的设计由传统的安全系数法向更为经济、科学的分项安全系数法转变提供了参考和依据。

Starting from symmetry properties of equation and considering the variable coefficient of the equation as a new dependent variable,a new general method to solve variable coefficient equation is proposed.

将非线性方程的变系数看作与实际物理场具有相等地位的新变量，利用普遍的经典李群方法可以求解某些特殊类型的变系数方程，其解由相应的常系数方程的解表示。

Inner layer heterogeneity, plane heterogeneity and microfacies heterogeneity are studied by using heterogeneity parameters: permeability variance coefficient, permeability tantivy coefficient and permeability differential.

应用渗透率的变异系数、突进系数和级差来分析储层层内、平面非均质性与各微相的非均质性。

In order to solve this problem that the temperature coefficient of the Chromium-film resistance fabricated at first was low, the main factors effecting on temperature coefficient are studied in this paper on the basis of film theory and experiments.

针对初期制备的铬薄膜电阻温度系数较低的问题，根据薄膜理论分析，研究了影响铬薄膜电阻温度系数的主要因素，根据实验结果不断改进铬薄膜电阻制备工艺，最终制作出了基本满足检测要求的热敏电阻薄膜。

Strong technical force, a blend of a group of industry experts, academics and technology elite, is the first high-precision negative temperature coefficient intervention thermistor large-scale production enterprises, and in August 1998 in the domestic first developed SMD0805 series Negative temperature coefficient of thermal resistance, to fill the gaps in the domestic market.

公司技术力量雄厚，荟萃了一批行业内的专家、学者和科技精英，是国内最早介入高精度负温度系数热敏电阻规模化生产的企业，并于 1998 年 8 月在国内率先研制出 SMD0805 系列负温度系数热敏电阻，填补了国内市场的空白。

Based on the percolation conductive phenomena of conductive composites andPTC/NTC (Positive Temperature Coefficient /Negative Temperature Coefficient)effects of resistance, a series of new experimental phenomena and concepts of carbonfiber cement-based composites such as PPC and NPC effects, Kaiser memory effect of resistance to residualdeformation and resistance creep are found and proposed.

借鉴已有的导电复合材料渗流导电现象和电阻的正温度系数／负温度系数效应基本理论，发现和提出碳纤维水泥基复合材料电阻的正压力系数与负压力系数、电阻对材料剩余形变的Kaiser记忆效应以及电阻徐变等新的现象和新的概念。

They exhibit outstanding resistance value stability, with an excellent self-heating power coefficient, and a low temperature coefficient.

他们表现出杰出的电阻值稳定，良好的自我加热功率系数和低温度系数。

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。