Only the intensity effect of optical field is discussed, and frequency effect is ignored in college physics teaching material.
现行大学物理教材中只讨论了光场的强度效应而忽略了频率效应。
The removal of ultrafine particles in coal-fired fumes was studied experimentally based on lower frequency and higher intensity acoustic field.
对燃煤超细颗粒物在低频率高强度声场中团聚清除效果进行了实验研究。
It researched the experimental method of high-pulsed electric field to milk's sterilization, which measured the sterilization ratio in different electric field intensity, treatment time and frequency.
介绍了利用高电压脉冲电场对牛乳灭菌的试验检测方法，并进行了不同电场强度、脉冲频率及处理时间对牛乳灭菌效果的对比试验。
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