Examlex
Gunpowder was invented by the Chinese and introduced into Europe in the fourteenth century.
IR Spectrum
Infrared spectroscopy measures and records the wavelength and intensity of infrared light absorbed by a compound, providing information about molecular vibrations and functional groups.
Lipid Wax
A type of lipid that is solid at room temperature, consisting of long-chain fatty acids and alcohols.
Synthetic Detergent
Man-made soap-like substances that can emulsify oils and hold dirt in suspension in water, used for cleaning.
Unsaturated Fatty Acid
A type of fatty acid with one or more double bonds in the hydrocarbon chain, which can affect the fluidity of cell membranes.
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