1·Ultrasound wave has been widely utilized in various industries for its physical and sonochemistry effects.
超声波具有多种物理和声化学效应，应用广泛。
2·The effect of ultrasound wave on yield of products was investigated and the structure and compositions of the as-prepared products were characterized by IR and element analysis.
考察超声波作用对合成产物产率的影响，用红外光谱及元素分析表征合成产物的结构；