The magenta dissolves in this alcohol with a fine rose tint, and its presence is proved by spectroscopic examination.
It should also show itself in the measures of all spectroscopic binaries.
This new class of "spectroscopic binaries" could never have been visually disclosed.
"There is nothing remarkable about the discovery of a new element by the spectroscopic method," replied Dr. Bird.
The foundation-stone of that work is spectroscopic study of the sun and stars.
Von Beyer's work, together with Stokowsky's opens up an entirely new field of spectroscopic research.
The spectroscopic test, however, failed to show csium in the ashed plant.
This hypothesis was confirmed by Professor Vogel about 1889 by means of spectroscopic results.
Until the opportunity is offered, the conclusions to be derived from spectroscopic observation cannot be further extended.
Many astronomers, Dunr among them, investigated the rotation of the sun by the spectroscopic method.
spectroscope spec·tro·scope (spěk'trə-skōp')
An instrument for producing and observing spectra.
Any of various instruments used to analyze the component parts of a sample by separating its parts into a spectrum. ◇ In a light spectroscope, light is focused into a thin beam of parallel rays by a lens, and then passed through a prism or diffraction grating that separates the light into a frequency spectrum. The intensity of light at different frequencies in the spectrum can be analyzed to determine certain properties of the source of the light, such as its chemical composition or how quickly it is moving. ◇ In a mass spectroscope, sample ions are beamed through an electric or magnetic field that deflects the ions; the amount of deflection depends on the ratio of their mass to their electric charge. The ion beam is thus split into separate bands; the collection of bands is called the mass spectrum of the sample, and can be analyzed to determine the distribution of ions in the sample. Spectroscopes are also called spectrographs.