The grating spectrograph is built in two designs . 光栅摄谱仪有两种类型。
In the mass spectrograph the ions are focused onto a photographic plate . 在质谱仪中,离子聚焦在感光板上。
A sample of each coating is exposed on an eastman 1b sensitometer and to a wedge spectrograph . 各涂层样品用1B感光仪对着光楔摄谱仪曝光。
the spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order. 光谱仪用了一块凹面衍射光栅,第一级光谱的色散度为42埃毫米。
The analysis of starlight with the spectrograph has provided information on the distances, temperatures, sizes, and notions of the stars . 用摄谱仪分析恒星的光谱,可提供恒星的距离、温度、大小以及运动等方面的材料。
a photographic record of a spectrum 同义词:spectrogram,
a spectroscope by which spectra can be photographed
百科解释
A spectrograph is an instrument that separates an incoming wave into a frequency spectrum. There are several kinds of machines referred to as spectrographs, depending on the precise nature of the waves.