Chao Bao: 2 books

The book embarks on the tasks to systematically analyze the macro background of the spatial patterns of China’s urban development, the theoretical foundations and framework, and its changing trajectory. From a quantitative perspective, we attempt to evaluate the rationale behind the spatial patterns...

Freeze-drying is an important preservation technique for heat-sensitive pharmaceuticals and foods. Products are first frozen, then dried in a vacuum at low temperature by sublimation and desorption, rather than by the application of heat. The resulting items can be stored at room temperature for long...