Political party in Moldova.
In subway stations, a door that separates the platform from the train, due to architectural constraints, climate control, or for safety.
An electron dense network of proteins within and adjacent to the postsynaptic membrane of an asymetric, neuron-neuron synapse.
The particle-size distribution (PSD) of a powder, or granular material, or particles dispersed in fluid, is a list of values or a mathematical function that defines the relative amount, typically by mass, of particles present according to size.
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