动态电阻

By research on numerical simulation,the variation rules of dynamic resistance and contact resistance are discovered quantitatively.

通过数值模拟研究，定量揭示了铝合金点焊过程中动态电阻和接触电阻的变化规律。

To assess the condition of arc quenching chamber of circuit breaker without disassembly itself, Dynamic Resistance Measurement is introduced in this paper.

介绍了一种不用打开灭弧室就可以评估断路器灭弧室状况的方法———动态电阻测量法，用此法很容易判断弧触头的烧损数值。

By means of linear regression analysis technique, the single regression models and multiple regression models between dynamic resistance information in spot welding process of mild steel and quality parameters are studied systematically.

本文首先运用线性回归分析技术，系统地研究了低碳钢点焊过程中的动态电阻信息与质量参数之间的一元和多元回归模型关系。

During MAO process, the dynamic forward resistance is always different from the backward resistance, and the former is generally greater than the latter.

MAO过程中，各时刻的动态正、反向电阻值不同，一般情况下，动态正向电阻大于反向电阻。

After investigating and analysing the model of dynamic resistance in the cutting area and its corresponding main components and affecting factors, the cutting depth, which is the main of the cutting factors to affect the dynamic resistance of cutting area, is determined by experiments.

本文在对导电加热切削切削区动态电阻组成的理论模型、主要结构及影响因素进行分析与研究的基础上，通过实验研究，确定了在切削用量的诸要素中影响切削区动态电阻的主要因素，即切削深度。

The innovation of this thesis is: advanced a new method by adopting "three-ring method" to measure dynamic contact resistance of slip-ring, solved the lower measuring efficiency and inconvenience resulted in leads intertwist during the measurement of dynamic contact resistance of slip-ring.

本论文的创新点为：提出了一种用"三环法"测量导电环动态接触电阻的新测量方法，有效地解决了目前导电环动态接触电阻测量中由于导线缠绕而导致的检测效率低下、操作不便、不便较长时间观察导电环性能稳定性等问题。

Both results agree well basically. Based on Braginskii's formula for spark dynamic resistance, the nonlinear dynamic resistance of a spark gap used in a transmission line discharging circuit is calculated under the assumption of constant conductivity and variable conductivity.

基于Braginskii火花动态电阻公式，在假定火花开关电导率恒定与电导率渐变的条件下，利用传输线放电电路数值计算了气体火花开关的非线性动态电阻。

The experiments o f dynamic rock resistivity change are done with uniaxially compression, low confi ning pressure and shear.

采用单轴压缩、低围压三轴压缩和剪切3种加载方式，对标本进行动态电阻率变化实验。

In allusion to the lower measuring efficiency and inconvenience during the measurement of dynamic contact resistance of slip-ring, addressed improving methods for preventing the leads from intertwisting each other, and developed a measuring system for solving dynamic contact resistance measurement of slip-ring.

针对目前导电环动态接触电阻测量中由于导线缠绕导致检测效率低下、操作不便、不便较长时间观察导电环性能稳定性等问题，提出解决绕线问题的测量方法，并在此基础上研制一套导电环动态接触电阻测量系统，以解决动态接触电阻测量的技术难题。

The corresponding relations between the strain of the static state and dynamic cycle load and the volume resistance of the short chopped carbon fibers, short chopped carbon mat, unidirectional carbon fibers reinforced vinyl resin composites is existed. The physical modes of these kinds of composites are also designed based on the experiment data. The resistance and strain of the short chopped fibers reinforced vinyl composites satisfy the equation of y =A + Bx + Cx~2 in the static strain test method and the short chopped mat reinforced vinyl composites is y = A + Bx.

短切碳纤维、短切碳纤维毡、单向碳纤维增强乙烯基酯树脂复合材料在静态和动态循环载荷下，应变与电阻之间有较好的对应性，同时根据实验数据，建立了不同条件下该复合材料应变和电阻变化规律的物理模型，短切碳纤维增强乙烯基酯树脂复合材料在静态拉伸时电阻与应变之间满足：y=A+Bχ+Cχ~2；碳纤维毡增强乙烯基酯树脂复合材料在静态拉伸破坏时电阻与应变之间满足：y=A+Bχ。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。