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阴影法测量密度
释义
阴影法测量密度
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工学
阴影法测量密度
释
density measurement with shadow method
阴影法测量密度
利用光在被测流场中的折射率梯度变化(二阶导数)正比于流场气体密度的原理进行密度测量的方法,主要用于高速流场的定性研究。又称傅科刀口法,在光学中是最为简单的一种测量方法。
随便看
Helmholtz contraction time
Helmholtz crater
Helmholtz decomposition
Helmholtz differential equation
Helmholtz double layer
Helmholtz equation
Helmholtz formula
Helmholtz free energy
Helmholtz function
Helmholtz, Hermann Ludwig Ferdinand von
Helmholtz-Kelvin contraction
Helmholtz-Kelvin theory
helmholtz-kelvin time scale
Helmholtz-Ketteler dispersion formula
Helmholtz-Ketteler formula
Helmholtz-Lagrange theorem
Helmholtz layer
Helmholtz reciprocity theorem
Helmholtz representation
helmholtz resonance sound absorber
Helmholtz resonator
Helmholtz reversion theorem
Helmholtz's equation
Helmholtz's reciprocity theorem
Helmholtz theorem
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