The drug releasing curve of the multilayer film loading drug indicates that the drug releasing mode is diffusion and releasing period is about 45 days.
Objective To understand the mental state of medical college student during the period of SARS diffusion.
前言： 目的了解“非典”流行期间大学生的心理状态。
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For one thing, the diffusion of knowledge in ancient India was accomplished by word-of-mouth for quite a long period of time before written modes of communication were adopted.