The investigation on the multiple transitions and relaxations of 1,2-polybutadiene was carried out by dynamic mechanical, dielectric relaxation, and solid state NMR methods.
本工作用动态力学、介电松弛和固态核磁共振等方法研究了1，2-聚丁二烯的多重转变和松弛。
The transient exciting test is one of the important methods to get the dynamic parameters of mechanical systems.
瞬态激励试验是获得机械系统动态参数的重要方法之一。
The types of space multi joint mechanical systems and related dynamic modeling methods have been set forth.
阐述了航天多铰接机械系统类型及其相关的动力学建模方法。
The paper explains design methods and features on the hard-ware and software of High-polymer Dynamic Mechanical Characterization Spectrometer in a systematic way.
本文较系统地介绍了高分子材料动态力学谱仪的设计方法和特点。
On the basis of the present methods of compaction testing, the mechanical model of a vibrating roller-soil system was analyzed and its dynamic equation was established.
在现有压实检测技术的基础上，通过分析振动轮土壤系统的力学模型，建立了相应的运动方程。
METHODS: Primary human periodontal ligament cells were obtained and passaged. Then the cells were stretched by dynamic mechanical strain unit with 1%, 10% and 20% strain at different time.
方法：通过原代和传代培养，获得性状稳定的人牙周膜细胞，使用动态机械应变细胞加载仪对细胞进行1%、10%和20%动态牵张应变加载。
For the dynamic analysis of complex mechanical structures (e. g. machine tools) with many joints, usual substructuring methods using interface deformation compatibility are no longer applicable.
对会诸多结合面的复杂机械结构(如机床)的动态分析，由于结合部位的位移不连续性，通常位移协调的动态子结构法已不再适用。
DSC, XRD, DMA and other testing methods were used to study the crystallization properties, dynamic mechanical properties of different polymer with carbon fiber.
运用DSC、XRD、DMA等测试手段，研究了对于不同树脂基体，碳纤维对基体的结晶性能、动态力学性能等的影响。
The dynamic characteristics of the gap sensor necessary for suspensive control system in maglev vehicle, are difficult to measure at high frequency by mechanical methods.
在磁悬浮列车中，悬浮控制系统要求间隙传感器的动态特性，但无法用机械方法测试较高频率时的动态特性。
The dynamic characteristics of the gap sensor necessary for suspensive control system in maglev vehicle, are difficult to measure at high frequency by mechanical methods.
在磁悬浮列车中，悬浮控制系统要求间隙传感器的动态特性，但无法用机械方法测试较高频率时的动态特性。
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