1) galloping oscillation
弛振
1.
Analyzes theoretically the vital factors which may lead to the occurrence of galloping oscillation as follows.
应用三级数法求解横风向的弛振的非线性运动微分方程,得到了三维结构的简明的稳态响应和临界风速表达式。
2.
The coupled bending-torsional galloping oscillation caused by the beam wind in the tall building 3-dimensional structure was studied, its mathematical equation was derived by the infinitesimal element method and its decoupling and analysis were performed.
研究了高层建筑结构横风向的弯曲和扭转的耦合弛振。
2) vibrational relaxation
振动弛豫
1.
Ultrafast internal conversion and vibrational relaxation in singlet excited-state all-trans-β-carotene as revealed by femtosecond time-resolved stimulated Raman spectroscopy;
飞秒时间分辨拉曼光谱用于研究β-胡萝卜素单重激发态内转换和振动弛豫过程
2.
We have discovered that the rates of vibrational relaxation decrease with the increase of molecular dissociation energy, which phenomenon is in agreement with those from spectroscopic data.
发现振动弛豫速率随着分子离解能的增高而下降。
3.
Femtosecond time-resolved studies using fluorescence depletion spectroscopy were performed on the vibrational relaxation; orientational relaxation and the intermolecular energy transfer of dye molecules in solutions under different conditions.
本文的主要内容是利用飞秒时间分辨荧光亏蚀光谱探测技术对液相体系中的染料大分子在不同条件下的激发态振动弛豫、取向弛豫和分子间碰撞传能等超快动力学过程进行了研究，分析得到了这些超快过程与体系温度和溶剂性质之间的关系，同时为进一步研究DNA、蛋白质等生物分子体系的电子转移、质子转移、能量传递以及光致异构化等反应过程打下了基础。
3) relaxation oscillations
弛豫振荡
1.
Compared these pulse-shapes with each other,it is concluded that every laser pulse from Nd:YAG laser exhibited representative relaxation oscillations that consistent with the fundament.
比较测得的波形,可以得出结论,每一个激光脉冲均呈现出典型的弛豫振荡过程,与理论分析基本一致。
2.
The Asymptotic solutions and the period of the relaxation oscillations are given.
应用奇微扰理论得到了Belousov-Zhabotinsky振荡反应的俄勒岗模型约化的两变量形式的修正模型,给出了该模型的弛豫振荡的渐近解及其振荡周期。
4) relaxation oscillation
弛豫振荡
1.
Theoretical research on relaxation oscillation in solid-state laser with relaxation oscillating pumping;
泵浦带有弛豫振荡的固体激光器的弛豫振荡特性理论研究
2.
Study on multimode relaxation oscillation of VCSELs and EELs;
VCSELs与EELs多模弛豫振荡的研究
3.
Analysis of relaxation oscillation of fiber ring semiconductor laser;
光纤环形腔半导体激光器弛豫振荡的分析
5) the relaxation oscillation
弛张振荡
1.
Through the theoretical analysis of the nonlinear electric circuit it s verified that the existence of the unsteady state of it that is the base which makes the relaxation oscillation and it s observed that the phenomenon of the relaxation oscillation.
通过对非线性电路的理论分析 ,证实了非线性电路非稳定态的存在 ,即产生弛张振荡的依据 。
6) relaxation oscillation
张弛振荡
1.
The chaotic character of ion relaxation oscillation in microwave Tubes;
微波管中离子张弛振荡的混沌现象
2.
The results show that the peak of relaxation oscillation of the frequency response curves can be restrained significantly by changing the polarization of the self-seeding light.
实验结果表明,在不同的偏置电流下,适当改变自注入光的偏振状态,频率响应曲线的张弛振荡峰可以得到很好地抑制。
补充资料：点振子振动和点电极振子振动
分子式：
CAS号：
性质：又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内，形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积，且与厚度有适宜的匹配关系。在交变电场作用下，沿厚度方向产生振动，其振幅随着至电极中心距离的增加，呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄，有时考虑到压电陶瓷自身强度太低，可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。
CAS号：
性质：又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内，形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积，且与厚度有适宜的匹配关系。在交变电场作用下，沿厚度方向产生振动，其振幅随着至电极中心距离的增加，呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄，有时考虑到压电陶瓷自身强度太低，可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条