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It did not achieve large volume sales, mainly because of cost and doubts about long-term reliability with moving parts. Beginning in 1985, Shell Research in UK was funded by Shell Natural Gas to develop an open-path detector with no moving parts. The advantages of the 2.3 μm wavelength were identified, and a research prototype was demonstrated.
Two-dimensional infrared spectroscopy (2D IR) is a nonlinear infrared spectroscopy technique that has the ability to correlate vibrational modes in condensed-phase systems. This technique provides information beyond linear infrared spectra, by spreading the vibrational information along multiple axes, yielding a frequency correlation spectrum.
cis-1,2-disub. alkenes 1660 medium trans-1,2-disub. alkenes 1675 medium trisub., tetrasub. alkenes 1670 weak conjugated C═C dienes 1600 strong 1650 strong with benzene ring 1625 strong with C═O 1600 strong C═C (both sp 2) any 1640–1680 medium aromatic C═C any 1450 weak to strong (usually 3 or 4) 1500 1580 1600 C≡C terminal alkynes
(Reuters) -A Washington jury on Tuesday ordered Bayer to pay $100 million to four people who say they were sickened by toxic chemicals known as PCBs at a Seattle-area school, but found the company ...
An infrared detector is a detector that reacts to infrared (IR) radiation. The two main types of detectors are thermal and photonic (photodetectors). The thermal effects of the incident IR radiation can be followed through many temperature dependent phenomena. [2] Bolometers and microbolometers are based on changes in resistance.
2. Capitalize on lower taxes — while you still can. In 2017, the Trump Administration passed the Tax Cuts and Jobs Act (TCJA). While this law is complex, it essentially provided for a number of ...
The increase comes as a renewed push to apprehend Maduro, 62, who has been under indictment in the U.S. since 2020 for his alleged involvement in drug trafficking and narco-terrorism.
Reduction of [Cp*IrCl 2] 2 in the presence of CO affords [Cp*Ir(CO) 2], which can be decarbonylated to give the unsaturated derivative [Cp*Ir(CO)] 2. [3] Treatment of [Cp*IrCl 2] 2 with borohydride under an atmosphere of H 2 gives the iridium(V) derivative Cp*IrH 4. [Cp*IrCl 2] 2 is a precursor to catalysts for the asymmetric transfer ...
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