Ⅰ. INTRODUCTION It was discovered that the nonlinearity parameters of biological media differed strikingly from each other according to their molecular structure. And so we can think that B/A will give some informati...Ⅰ. INTRODUCTION It was discovered that the nonlinearity parameters of biological media differed strikingly from each other according to their molecular structure. And so we can think that B/A will give some information of the molecular structure of a medium. But we know very little about the relation between them. Since the acoustic pro-展开更多
基金Project supported by the National Natural Science Foundation of China
文摘Ⅰ. INTRODUCTION It was discovered that the nonlinearity parameters of biological media differed strikingly from each other according to their molecular structure. And so we can think that B/A will give some information of the molecular structure of a medium. But we know very little about the relation between them. Since the acoustic pro-