Within each synapse is a set of proteins, which, like the components of an engine, bind together to build a molecular machine called the postsynaptic density - also known as the PSD.
每个神经突触都有拥有一系列蛋白，它们像机器的零件一样，结合在一起，搭建出一个被称为突触后致密区(postsynaptic density PSD)的分子机器。
2
They can be applied to molecular optical switches of high storage density, high switching rate, and high write erase cycle times based on their photochromism.
基于这种光致变色性能，这类物质可用作存贮密度高、响应速度快及擦-写次数高的信息存储材料。
3
The mass flux of macromolecules ia solution depends on molecular weight, polymer density, molecular size and shape.