1.
Study on Characteristics and Measurement Methods of the High-power Low-frequency Ultrasonic Fields for Cleaning;
大功率低频超声清洗声场的声场特性及测量方法研究
2.
Study on the Scream during the Process of the High-power Low-frequency Ultrasonic Cleaning;
低频大功率超声波清洗过程中啸叫现象的研究
3.
Study on algal control by low-frequency,low-power ultrasonic
低频、低功率超声波抑制藻类生长的效果
4.
Induction of Apoptosis by Low-Power Low-Frequency Ultrasound in C_6 Glioma Cell;
低频低功率超声诱导C_6胶质瘤细胞凋亡的初步研究
5.
The frequency effect of a low-MHz bi-beam ultrasonic irradiation;
低频双束超声辐照的频率效应(英文)
6.
Acoustics--Ultrasonic power measurement in the frequency range 0.5～10MHz
GB/T7966-1987声学0.5～10MHz频率范围内超声声功率的测量
7.
Design of High Power and Ultra-low Frequency Signal Source in Cased Hole Resitivity Logging
过套管电阻率测井大功率超低频信号源设计研究
8.
The Design and Applications of Low Power,Low Frequency,Low Noise Medical Chip
低功耗、低频率、低噪声医学芯片的设计及应用
9.
Design of Low-Power CMOS RF Low Noise Amplifier
低功耗CMOS射频低噪声放大器的设计
10.
Equipped with high speed and high power electric spindle powered by static frequency convertor , featuring low energy consumption and low noise.
采用高速大功率电动砂轮轴，由静止变频器供电，能耗低，噪声小。
11.
Research on GMM-based Low-frequency High-power Borehole Sound Source;
基于GMM的低频大功率井下声发生器的应用基础研究
12.
Study on Low Intensity and Low Frequency Ultrasound Influencing Activity of Activated Sludge;
低强度低频率超声对活性污泥活性的影响研究
13.
Class D Audio Amplifier with High Efficiency and Low Harmonic Distortion
高效率、低失真的D类音频功率放大器
14.
Design of High Performance and Low Consumption Ratio Frequency Power Amplifier;
高性能低功耗射频功率放大器的设计
15.
Research and Realization of an Ultrasonic Cleaner with Constant Power and Frequency Tracing;
频率跟踪、恒功率超声波清洗机的研究与实现
16.
The Clinical Study on Solid Tumor by Low-Frequency Ultrasound and the Reversal of Multidrug Resistance by Low-Frequency Ultrasound and Minyaojian in Vitro;
低频率超声治疗实体肿瘤的临床研究及低频率超声和敏药碱逆转肿瘤多药耐药的体外研究
17.
Identification Model of Narrowband ELF Atmospheric Noise Amplitude Probability Distribution
窄带超低频噪声幅度概率分布模式辨识
18.
germanium low frequency high power triode
锗低频大功率晶体三极管