Conclusion: The low frequency ultrasound can promote theEMLA permeation across the human being' s skin, and reachingmore depth in the skin.
借助低频超声波技术可以扩大EMLA在临床的推广应用。
参考来源 - 低频超声介导促进透皮局麻的随机对照研究·2,447,543篇论文数据，部分数据来源于NoteExpress
采用低频超声波处理大豆浆体以提高其蛋白质和固形物的萃取率。
Soybean slurry was processed by low frequency ultrasonic for enhancing the extraction rates of proteins and solids.
本文提出一种定量无损估计超薄弹性层声速、厚度和密度参数的低频超声波频域定征方法。
A frequency domain characterization method using low frequency ultrasound is put forward to estimate parameters of ultra thin elastic layers, such as: the sound velocity, thickness and density.
本文叙述了低频超声波检测仪的设计原理，电路分析，换能器结构并讨论了在混凝土，岩体中应用。
The design principle, circuit analysis, and transducer construction of the low frequency ultrasonic tester are described. The applications to testing concretes and rocks are discussed.
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