نتایج جستجو برای: infrared spectrometer
تعداد نتایج: 123942 فیلتر نتایج به سال:
Niobium and tantalum carbide clusters have been isolated in the gas phase and irradiated with intense tunable infrared (IR) light. Stable neutral clusters are selectively ionized and subsequently detected in a mass spectrometer. By tuning the IR frequency, infrared multiphoton absorption spectra are obtained for a whole range of clusters. These mass-selective IR spectra lead to insights into th...
This report describes the performance of the Arcetri near-infrared camera, ARNICA, mounted at the Telescopio Nazionale Galileo (TNG) during 1999. Since ARNICA's performance has been amply documented at other telescopes, here we emphasize aspects that are relevant to the new infrared camera-spectrometer NICS, such as camera alignment and spatial and derotator variation of the point-spread functi...
A qualitative analysis for the ammoximation of acetaldehyde to its oxime in the TS-1(Titanium Silicalite-1)/H2O2 system was investigated using an in situ infrared spectrometer (ReactIR15). NH3 is first oxidized to NH2OH by TS-1/H2O2; then, CH3CH=NOH forms after NH2OH reacts with CH3CHO. That means the intermediate of this reaction is NH2OH instead of CH3CH=NH. Experiments have been conducted to...
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