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A head-related transfer function ( HRTF) is a response that characterizes how an ear receives a sound from a point in space. As sound strikes the listener, the size and shape of the head, ears, ear canal, density of the head, size and shape of nasal and oral cavities, all transform the sound and affect how it is perceived, boosting some ...
N,N'-Dimethylethylenediamine ( DMEDA) is the organic compound with the formula (CH 3 NH) 2 C 2 H 4. It is a colorless liquid with a fishy odor. It features two secondary amine functional groups. Regarding its name, N and N' indicate that the methyl groups are attached to different nitrogen atoms.
N,N-Dimethylethylamine ( DMEA ), sometimes referred to as dimethylethylamine, is an organic compound with formula (CH 3) 2 NC 2 H 5. It is an industrial chemical that is mainly used in foundries as a catalyst for epoxy resins and polyurethane as well as sand core production. [2] [3] Dimethylethylamine is a malodorous, volatile liquid at room ...
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In order to transform the series 1 + 2 + 3 + 4 + ⋯ into 1 − 2 + 3 − 4 + ⋯, one can subtract 4 from the second term, 8 from the fourth term, 12 from the sixth term, and so on.
The series 1 4 + 1 16 + 1 64 + 1 256 + ⋯ lends itself to some particularly simple visual demonstrations because a square and a triangle both divide into four similar pieces, each of which contains 1 4 the area of the original.
One area of concern for owners of California's quick-service restaurants has been how to respond to new legislation. April 1 marked day one of California's new fast food minimum wage law, which ...