Examlex
In constructing confidence intervals, it is conservative to use the z distribution when n ≥ 30.
UV Spectra
The absorption or emission spectrum of a substance in the ultraviolet range, used to identify chemical bonding or concentration of a substance.
Electronic Transitions
Changes in the energy levels of electrons within atoms or molecules, which can result in absorption or emission of light at specific wavelengths.
Proton NMR Spectrum
A technique in nuclear magnetic resonance (NMR) that measures the environment of hydrogen atoms in a molecule to elucidate its structure.
Triplet
In chemistry, a term often used to describe a state of a molecule or an atom in which its electrons have a specific spin configuration leading to three closely related energy levels or quantum states.
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