Random good picture Not show

91. Spherical and dendritic Bi nanocrystals were prepared by ultrasonic dispersion method.

92. In this paper, a system of ultrasonic on rail utilizing digit signal processing technic is introduced.

93. Ultrasonic attenuation capacity of cellular Al alloy foam were studied.

94. Conclusion: The ultrasonic diagnosis is regarded as direct,(http://sentencedict.com/ultrasonic.html) simple and safety manner for diagnosis on acute appendicitis.

95. Three major technical issues related to ultrasonic power's performance are considered in this paper: including the frequency control, power control and load matching.

96. USTM Series ultrasonic thickness gage adapts advanced technology with high accuracy, portability and reliability, it has been widely used for testing the thickness of many kinds of material.

97. The same frequency simple harmonic oscillation synthesis speed and the acceleration computational method is basic theories to study the ultrasonic wave.

98. Have a laser-mediated molding machine, ultrasonic cutting-edge machine, propeller plane over the post-production processes and other advanced processing equipment.

99. Without ultrasonic - assisted pretreatment the hydrolysis rate of beet, sweet sorghum straw and sugarcane were 24.

100. A new ultrasonic imaging method, feature scan (F-scan) imaging, was introduced including its inspecting principle, scanning system design and focusing transducer manufacture and so on.

101. Objective To study the influence on the ovarian function using the ultrasonic scalpel and the monopolar electrocoagulation respectively after shelled out the ovarian cyst by laparoscope.

102. Objective To investigate the effect of the ultrasonic therapy on the neurological function after cerebral infarction.

103. Experimental results show that JPEG method is an effective method for digital compression and coding of ultrasonic televiewer images.

104. Ultrasonic guided wave testing is widely used for the inspection of buried pipelines at present.

105. This dual-function machine provides you the versatility of both ultrasonic and mechanical polishing.

106. This technique requires the use of a special cannula that produces ultrasonic energy.

107. A moving utensil for portable ultrasonic probe which is made of chargeable electronic screwdriver is introduced, and it can be used to assist detector to detect steel butt-joint welding seam.

108. On the other hand, the ultrasonic dispersion effect of nano-aluminum in kerosene is better than that of electromagnetic stir.

109. Tin - bismuth alloy was electroplating by electrodepositing associated with ultrasonic agitation.

110. These results enable us to estimate ultrasonic properties of a liquid cylinder by its echogram.

111. A project of ultrasonic contactless support is put forward, and its principle is detailed introduced.

112. The resonance - frequency of ultrasonic motor by frequency sweep of keyboard is searched.

113. The Methodological investigation on the measurement of thickness of downhole casing with ultrasonic pulse echo technique is carried out both in theory and in experiments.

114. Using a new material, the transverse wave angle beam probes in ultrasonic testing of welds for steel space grid structures with welded joints are made.

115. Under ultrasonic continuous loading with water cooling, it mainly occurred at an internal inclusion in the high stress amplitude level.

116. Testing and verification results show that the nugget diameter can be determined more accurately according to the variation of the first peak value of ultrasonic waveform.

117. Chapter 4 introduces the research of application and techniques of ultrasonic spectrum features on the analytic system which has been constructed.

118. Preliminary experiments show that the smart ultrasonic generator based on the new method can quickly and accurately frequency track, and can work well with constant amplitude control.

119. Methods Ultrasonic features of 72 cases of thyroglossal duct cyst were analysed and compared with surgical-pathology.

120. On-line testing shows that, this digital ultrasonic peening power supply based on DSP can make the system work at the resonance state, and the peening process is stable.