1) stretching vibration frequency
伸缩振动频率
1.
The relation between the stretching vibration frequency of X = 0 double bond of alkyl substituted compounds R' X = 0 and the Polarizability Effect Index (PEI) of alkyl group R can be expressed as v = a + bPEI (R), where X represents C, and N elements.
烷基取代物R’X=0的X=0键伸缩振动频率ν与烷基R的极化效应指数PEI(R)的关系可表示为:ν=a+bPEI(R)。
2) C-H stretching frequency
C-H伸缩振动频率
3) stretch frequency of framework
骨架伸缩振动频率
4) extending vibration frequency
伸张振动频率
1.
Using the self experience molecular orbit theory(complete neglect differential overlap)(CNDO/2), this paper calculates the bond length of Silicon Hydrogen in the Silane molecular system, works out a theory formula about the relationship between the extending vibration frequency and bond length of Silicon Hydrogen in Silane molecular system.
论文利用半经验分子轨道理论方法—全略微分重叠（ＣＮＤＯ／２）计算了硅烷类分子体系中的硅氢键长，拟合出硅烷类分子体系中硅氢伸张振动频率同硅氢键长关系的理论公式，利用该拟合公式计算了硅氢伸张振动频率，并同频率实验值进行了比较。
5) Stretching vibration
伸缩振动
1.
Stretching vibrational spectra of WF_6 molecule from a nonlinear model;
WF_6分子伸缩振动能谱的非线性模型计算(英文)
2.
The results show that five absorption peaks existed at the 400～800cm -1 frequency range, and these absorption peaks were related with stretching vibration of Cu O bond and Bi(Pb) Cu O bond along C axis, as well as O hole in structure of Bi system superconductor.
分析认为它们与ＣｕＯ键振动，Ｐｂ掺杂的Ｂｉ（Ｐｂ）ＣｕＯ键沿Ｃ轴的伸缩振动，ＣｕＯ２面内的氧空位有
3.
By using laser Raman spectrum method,the samples full width at half maximum(FWHM) and depolarization ratio of laser Raman spectrum at stretching vibration were measured.
运用激光喇曼光谱的分析方法,测量了它们的激光喇曼谱在伸缩振动喇曼峰处的半峰全宽,同时也测量了样品在伸缩振动喇曼峰处的退偏振度。
6) Compressor vibrational frequency
压缩机振动频率
补充资料：长度伸缩振动模式
分子式：
CAS号：
性质：长条形压电振子在外加交变电场作用下，产生沿长度方向的伸缩振动。可分横向和纵向长度伸缩两种振动模式。横向振子的长度L沿x方向，宽度w，厚度为t，且L>>w>>t，极化方向与z轴平行，电极面与z轴垂直。纵向振子的长度L沿z方向，宽度为w，厚度为t，且L>>w>>t，极化方向与z轴平行，电极面与z轴垂直，长度伸缩振子的谐振频率与长度成反比，一般适用于低频，偶尔用于中频。
CAS号：
性质：长条形压电振子在外加交变电场作用下，产生沿长度方向的伸缩振动。可分横向和纵向长度伸缩两种振动模式。横向振子的长度L沿x方向，宽度w，厚度为t，且L>>w>>t，极化方向与z轴平行，电极面与z轴垂直。纵向振子的长度L沿z方向，宽度为w，厚度为t，且L>>w>>t，极化方向与z轴平行，电极面与z轴垂直，长度伸缩振子的谐振频率与长度成反比，一般适用于低频，偶尔用于中频。
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参考词条