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61. This waveform generator has been successfully applied in ultrasonic sen - sor to generate high - frequency ultrasonic wave .

62. Objective To probe the effect of aminophylline ultrasonic atomizer inspiration dissolves asthmatic and breath holding symptom.

63. High-precision ultrasonic transmission phase delay is the key technology in phased array ultrasonic beams.

63. Sentencedict.com try its best to collect and create good sentences.

64. Based on the demand, the ultrasonic radiation surface can be laid underside the launder slot or on the side face or on the peak face, it is quite agility.

65. Objective To explore the efficacy of laparoscopy and ultrasonic scalpel in the treatment of renal cyst.

66. The ultrasonic probe is connected to a mobile, PC based ultrasonic unit which incorporates all the hardware and software required for C scan data acquisition and imaging.

67. METHODS Endoscopic thyroidectomy via suprasternal approach was performed in 35 patients with ultrasonic scalpel.

68. The spectral centroid shift ( SCS ) of ultrasonic backscattering signals is introduced to assess cancellous bones.

69. Objective To study the clinical effect of ultrasonic phacoemulsifi - cation and hindantrum - type intraocular lens implantation in cataracts.

70. Frequency tracking circuit is one of the special circuits used in the ultrasonic generator.

71. Entropy of information is firstly used in ultrasonic image threshold segmentation field.

72. Objective To evaluate the clinical efficacy of ultrasonic irrigation in re - treatment the failure in endodontic treatment.

73. The portable is a direction of the traditional type-B ultrasonic instrument, and it is the portable type-B ultrasonic.

74. The Autoregression (AR) cepstrum is put forward to estimate the mean spacing of trabecular bones in cancellous bone based on ultrasonic backscatter signal.

75. The effect of melt treatment method on degassing efficiency of ultrasonically refined pure aluminum ingots was investigated. Furthermore, the mechanism of ultrasonic degassing was analyzed.

76. Objective To observe the relationship between laryngopharyngitis and Cervical spondylosis and the function of short ultrasonic wave in treating cervical spondylitis.

77. Objective: To analyse sonographical features of epididymis tuberculosis with caseous necrosis and improve the accuracy of ultrasonic diagnosis.

78. He measured the speed at which ultrasonic waves travel along the bone.

79. Ultrasonic Metal Spot Welder, Ultrasonic Plastic Welding Machine , Ultrasonic Metal Welding Head Series.

80. The paper analyzes the influence of incidence and oscillation frequency of ultrasonic sensor on measuring accuracy and the choose principle of ultrasonic sensor is presented.

81. It is more than one year that metallographic test being replaced by ultrasonic wave measurement is proved feasible and reliable in practical detection vermicular graphite rate.

82. By using ultrasonic vibration to reduce the resistance, the problem was pretty well resolved.

83. Ultrasonic vibration technology was used to extract loosely sorbed phosphorus fraction in the sediments from Guanting Reservoir.

84. Then, the decision function for ultrasonic defect identification is constructed. The implementation of the method and some experimental results are also given at this paper.

85. Objective To explore the clinical value of B-Type ultrasonic diagnosis of clonorchiosis.

86. Grafting of maleic anhydride (MAH) onto high density polyethylene (HDPE), linearly low density polyethylene (LLDPE) and EPDM performed in melt state through ultrasonic initiation was studied.

87. The high pure water system is mainly used for photoelectricity industry and electronic, such as optics resin piece, glasses, precise revertex products ultrasonic cleaning water.

88. The extraction technology of flavonoids in the bulb of Lilium lancifolium Thunb. was studied by comparing the ultrasonic wave extraction technology with the traditional extraction technology.

89. Rapeseed oil was taken as raw materials, and the effects of ultrasonic on the removal of nonhydratable phospholipids in oil by phospholipase A1 were studied.

90. This paper Studies and analyzes on fusion for Ultrasonic adhesive detecting by D - S theory of evidence.