1)  spectral energy distribution
频谱能量分布
2)  frequency spectrum
频谱
1.
Study on frequency spectrum characteristics of acoustic emission in coal or rock deformation and fracture;
煤体破裂声发射的频谱特征研究
2.
Frequency Spectrum Characteristics of Loran-CPPM Coding Communication;
罗兰-CPPM编码通信的频谱特性研究
3.
On the character of frequency spectrum for an underground engineering wall rock;
某地下工程围岩的声波频谱特性
3)  frequency spectra
频谱
1.
In each OPs waveform, the frequency spectra from 10 to 290 Hz were derived by Fast Fourier Transform (FFT).
用快速傅里叶变换计算 OPs的 10～ 2 90 Hz频谱 ,计算频谱的功率总和以及最大功率。
2.
A par-ticular method using frequency spectral analysis and fuzzy mode identification is introduced, And the deeply studied direction is indicated.
本文提出对电气设备噪声进行在线监测和实时故障诊断的概念和研究的必要性，综述了电气设备噪声分析和故障诊断的方法，结合实例介绍了利用噪声频谱分析和模式识别方法进行故障诊断的方案，并指出了深入研究的方向。
4)  frequency
频谱
1.
Doppler Features of Central Retinal Artery and Vein: An Observation of Frequency Shift Spectrum in HealthyAdults;
正常成年人眼视网膜动静脉多普勒频谱形态观察
2.
Based on microlocal analysis,the propagation of singularities of semilinear thermoelastic materials with microstretch was studied by using the diagnolization of frequency analysis,and the finite propagation speed of singularities of solutions to Cauchy problem of the model was proved.
基于微局部观点,利用频谱分析对角化的方法,讨论了一维半线性微伸缩热弹性力学材料的奇性传播问题,证明了该模型柯西问题解的奇性传播具有有限的传播速度。
5)  spectra
频谱
1.
Bio-impedance spectra measurement and systematic research on electrical impedance tomography;
生物组织复电阻抗频谱测量及电阻抗断层成像系统的研究
2.
Resolution study of the second-order group dispersion effects on the spectra of super-Gaussian pulses;
二阶群色散对超高斯脉冲频谱影响的解析研究
3.
Influence of Initial Chirp on the Evolution of Spectra;
初始啁啾对脉冲频谱演变的影响
6)  Spectrum
频谱
1.
Caved coal and rock spectrum on longwall face;
综采工作面煤矸频谱特征
2.
Correlations between spectrum characteristics of DRC and nugget size in resistance stainless steel spot welding;
不锈钢点焊动态电阻曲线频谱与熔核的关系
3.
Study on Spectrum Characteristics of Blasting Vibration Wave;
爆破地震波的频谱特性研究
参考词条
补充资料：反应碰撞能量分布
分子式：
CAS号：

性质：是所有碰撞的麦克斯韦—玻尔兹曼能量分布函数乘以激发函数的积，并以dNR/NdER对正作图即得反应碰撞的能量分布曲线Ⅱ(图暂缺)。I线是所有碰撞的能量分布曲线σR是激发函数的曲线。据阿累尼乌斯活化能定义dlnk/dT=Ea/RT2可得 ，即阿累尼乌斯活化能是引起反应的所有碰撞的平均能量与所有碰撞的平均能量的差值。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。