Cracks can be detected by a method using ultrasonic waves . 疵点可用超声波方法检测。
Standard test method for leaks using ultrasonics 用超声波检漏的标准试验方法
Effect of corrosion resistance on if steel using ultrasonic electrolytic passivation 钢耐蚀性的影响
A simple method for liquid level measurement using ultrasonic waves 利用超声波实现液位测量的简单方法
Extraction of ganoderic acid from ganoderma lucidum by using ultrasonic assistance 利用超声辅助从培养的灵芝中提取灵芝酸
Numerical simulation of crack detection in pipes using ultrasonic longitudinal guided-wave 管道超声纵向导波裂纹检测数值模拟
Brittle-ductile transition of micro-nano composite ceramics using ultrasonic vibration grinding 光致变色液晶萘并吡喃的合成及光致变色性质
Preparation of ultrafine nickel powders using ultrasonic s pray by chemical reduction in aqueous solution 超声波喷雾液相还原法制备超细镍粉
Application of using ultrasonic wave to test the density performance of reinforced masonry pouring concrete 超声波法在检测配筋砌体灌芯混凝土密实度中的应用
Application of wavelet packet analysis and bp ann in diagnosing the hole defects in acer mono wood using ultrasonic quantitative testing 小波和神经网络在色木孔洞缺陷超声定量检测中的应用