1. Ultrasonic waves travel at around 300 metres per second .

2. Ultrasonic waves are at a higher pitch than the human ear can hear.

3. A handset would contain an ultrasonic transmitter and the television fitted with a matching receiver.

3. is a online sentence dictionary, on which you can find good sentences for a large number of words.

4. In autumn 1978, ultrasonic pulsing at two-second intervals was recorded at dawn at the King Stone.

5. Three days after admission ultrasonic appearances in the abdomen were normal.

6. Cats, too, are sensitive to ultrasonic frequencies and can hear mice and voles in hidden places.

7. Screwdriver blades might have a retractable sheath or ultrasonic guards, for example.

8. Similarly, how does a moth perceive the ultrasonic acoustic radar signals of a bat?

9. Parisi developed the first ultrasonic toothbrush for Cavitron Ultrasonics in New York in 1967.

10. Includes basic items: Oral examination, ultrasonic scaling, and polishing.

11. GIS partial discharge; ultrasonic detection; ultra-high frequency detection.

12. Set up ultrasonic wire bonding laboratory.

13. Much as bats do, robots send out ultrasonic signals.

14. Conclusion Ultrasonic disrupter is suitable to extract Astragalus polysaccharides.

15. Piezoelectric ceramic is used widely for ultrasonic fish finder.

16. Ultrasonic examination; Fetal; Cystic hygroma; Advanced.

17. Objective : To analyze the ultrasonic feature in different dialectical type of chronic pelvic inflammatory disease.

18. Especially, it provides more and new informations than ultrasonic diagnosis diagnosis of fetal CNS.

19. Objective : To evaluate the ultrasonic imaging features and the detective method of internal mammary artery ( IMA ).

20. Methods Using high-frequency sonography, the ultrasonic characteristics of salivary glands (parotid and submaxillary) in 15 Sjgren's syndrome patients were observed and summarized.

21. A new intelligent ultrasonic power meter with large measuring range was developed.

22. In both cases the sounds are audible to humans, not ultrasonic like the more specialized bat clicks.

23. Another use is to produce pictures of an unborn baby by reflecting ultrasonic waves off its body.

24. All 605s are fitted with a three-way catalytic converter, anti-lock braking system and an ultrasonic alarm as standard.

25. Those they use for navigation are so high-pitched that they are ultrasonic, far beyond the range of any human ear.

26. Dolphins emit rapid trains of high-pitched clicks, some audible to us, some ultrasonic.

27. Some systems utilize other types of sensors, as thermal sensors, ultrasonic sensors.

28. Methods 60 cerebral infarction patients with motor dysfunction were equally randomized to two groups—cluster needling of scalp point therapy group and Cerebral ultrasonic therapy group.

29. The transmission rule of the lamb wave in the structure of the flexible joint is discussed, and the ultrasonic pulse echo is analyzed in the time-field and frequency-field.

30. Reasonable result could be obtained by using water as dispersion medium, and nonyl hydroxybenzene polyethoxylate ether as dispersant but ultrasonic treatment was not preferred.

31. Objective To evaluate the diagnostic value of ultrasonic diagnosis B for subacute thyroiditis.

32. At last, the limitation of the ultrasonic - CT ( Computerized Tomography ) and its development direction are discussed.

33. The effect of cavitation noise radiated from ultrasonic cleaning tank on learning and memory in rats is studied.

34. B ultrasonic inspection: B exceeds primary diagnosis, intrauterine state on its inspection results combined with clinical symptoms and findings to the diagnosis of hand no endometritis.

35. ResultsNumerous ventricular trabeculae and deep intertrabecular recesses, as well as left ventricular dilatations were found under ultrasonic cardiography.

36. The chip comprises ultrasonic sensor driver circuit, time measurement control, temperature measurement control, STOP signal conversion such as modules design.

37. Purpose : To explore the value of ultrasonic diagnosis of the inverted nipples.

38. This paper Studies and analyzes on data fusion for Ultrasonic adhesive detecting by D-S theory of evidence. The result shows that the fusion method is feasible.

39. Since the ultrasonic motor(USM) is a nonlinear capacitive load, a matching circuit is needed to keep the output voltage and the phase shift constant.

40. The Reliant PowerSlit line of Slitter Rewinders offers the full range of slitting solutions from shear cutting, razor, score, hot knife, and ultrasonic.

41. The working principles and application effects of portable ultrasonic stress inspection gauge are described.

42. A bispectrum - based approach is applied to extract feature information of cementing oil well from ultrasonic echoes.

43. Objective To compare the effects of ultrasonic and Soxhlet extraction methods for extracting naringin in Citrus grandis.

44. This arithmetic setup four cycle standard ultrasonic polar signal, and correlated with the ultrasonic received signal. Then the distributing instance can be educed.

45. A ultrasonic vibrative cleaning method is introduced and it′s cleaning mechanism is analyzed theoretically, some points for attention in choosing ultrasonic parameter are expounded.

46. Objective : To extract Coriolus versicolor intracellular pepsin inhibitor based on ultrasonic method.

47. Both simulated backscattered signals and ultrasonic backscattered signals from bovine cancellous bone in vitro were processed.

48. Conclusion The ultrasonic image features of abdomen can help to give early diagnosis of paratyphoid A.

49. It has 185 sets of advanced production equipment of punch, injection moulding, mould manufacturing, vacuum filming, spray coating, thermosol jointing, ultrasonic welding, assembling line and others.

50. Objective To evaluate the effect of dental operating microscope(DOM)and ultrasonic root canal technique(URA)in the management of calcified root-canal.

51. In the process of ultrasonic testing, the quality of flaw echo signals in A-scan lay a better determinant foundation for locational, quantitative and qualitative evaluation.

52. Our Ultrasonic products including: lace machine, non-woven bag machine, plastic machine, Hot-fix machine, beads machine, cutting machine and non-standard ultrasonic equipment.

53. The effect of bonding time on the bonding strength of thick aluminum wire wedge bonding was studied under different ultrasonic power conditions.

54. Objective:Through comparing the ultrasonic appearance and pregnant outcome of cystic hygroma of 86 foetus to analyze the antenatal diagnosis and prognosis.

55. The instrument can demonstrate ultrasonic Doppler effect, analyze the frequency deviation and measure the velocity.

56. Objective To determine the relationship between corneal thickness changes measured by ultrasonic pachymeter and outcomes after penetrating keratoplasty.

57. Sump level switches may be ball float, conductivity, or ultrasonic type switches.

58. Efficacy assessment was based on the infants' symptoms and physical signs and the changes of thickness of the lump on the sternocleidomastoid muscle showed by coloured ultrasonic image.

59. Because of the excellence of simpleness and rapidness, ultrasonic is applied in the engineering comprehensively.

60. This paper describes the operating principle, system composition and operation control software of Multiprobe ultrasonic imaging tool based on fiber-optic cable data transmission.

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. 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.

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:///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.

121. The mechanism and kinetics of parathion degradation was investigated under high frequency ultrasonic irradiation in aqueous solution.

122. Ultrasonic parallel - axes honing is a new machining method of gear honing.

123. In the traditional design methods, the different shape function of ultrasonic horn is very complicated and tedious to be calculated.

123. try its best to gather and build good sentences.

124. The device includes four modules, which are ultrasonic generator, half wave vibration system, rotary joint subassembly and tool system.

125. The principle of measuring the light velocity with the method of wave modulation by ultrasonic diffraction crystal grating is analysed, and the experiment method is introduced.

126. Ultrasonic vibrancy honing has many advantages, such as small honing force, long oilstone life.

127. Objective:To observe efficacy and safety of inhaling salbutamol solution by using the ultrasonic nebulizer in treating severe asthma.

128. The B ultrasonic wave inspection demonstrated an ovary cyst at left side in pelvis cavity, X-ray picture of left thighbone conformed to the fibrous dysplasia.

129. Objective To increase the ultrasonic diagnostic accuracy of calculus in the ureter.

130. Synthesis of Triazole Thiazolinone Derivatives Containing 1,2,3-Triazoleyl under the Ultrasonic Radiation.

131. Explicated the structure and principle of work of ultrasonic launching and receiving circuit, presented the program frame and part program of the date processing.

132. Methods chloroform, ethanol ultrasonic and ethanol infiltration extraction in extracting alkaloid from Vera - U were compared.

133. Objective To discuss the ultrasonic image features in abdomen of paratyphoid fever A and help for the early diagnosis.

134. The characteristics of bonding force in the ultrasonic bonding process were also studied.

135. This paper is mainly summarized the application of ultrasonic techniques of sonochemistry in food industry.

136. The user can hear any vibration or ultrasonic (phased or unphased) testpoint that is being displayed on channel 1.

137. Ultrasonic medicine is a interdisciplinary field combined acoustics, medicine and electronics.

138. With the further development of the electronics and software, the numeralization ultrasonic testing instrument will hold a bright prospect.

139. Analyzed experiment data, the best one is ultrasonic in the light of convenience, quick, especially avoid sample color disturbing and hydrargyrum pollution.

140. The ultrasonic vibration hole grinding system has been studied in this paper.

141. The invention relates to an ultrasonic orthopedic surgery saw which comprises a motor swinging handle, an ultrasonic generator and a cooling saw blade system.

142. In order to promote current efficiency and decrease energy consumption in electro-oxidation process for molybdenite concentrate, ultrasonic wave was introduced to intensify the leaching process.

143. The sinusoidal wave generator is used for producing the ultrasonic signal carrier, realization algorithm have look-up table, recursive oscillator and Taylor series expansion approach, etc.

144. To save energy and enhance field intensity, ultrasonic focalization is applied.

145. The detection method for fruiter shape based on the ultrasonic distance measuring was studied after analyzing the detecting mechanism for fruiter shape in this paper.

146. Effect of active addition agent and ultrasonic on reaction kinetics of phosphate rock and sulfuric acid in the single superphosphate ( SSP ) process are studied.

147. Objective To evaluate and compare the effect of Cluster needling of scalp point therapy and cerebral ultrasonic therapy in stroke patients, and to explore the curative mechanism of former method.

148. To improve the safety and efficiency of ultrasonic thrombolysis, we designed a dual mode ultrasonic thrombolysis (DMUT) system.

149. Appliance of split structure, between the shock plate and the ultrasonic generator using high frequency link with a socket, use and maintenance are easy.

150. Pitching vibration of ultrasonic bonding transducer can affect the bonding quality of IC.

151. The design of structure of ultrasonic transducer and circuit for signal disposing can realize dual air bubbles monitoring function.

152. Patients in each group were given compressed, ultrasonic and simplified nebulization respectively besides the routine therapy with antibiotics.

153. The doctors can do it. They remove them with a special instrument or an ultrasonic scaler.

153. try its best to collect and make good sentences.

154. Firstly, the thesis carries through theory research in modern physical medicine and ultrasonic medicine. It's theory basis for designing the instrument of ultrasonic therapy.

155. Decomposition of ultrasonic and its combined technologies are a rising sewage disposal technology, it has capacious prospect and implicational market.

156. Wire-drawing with ultrasonic vibration is a new processing technology through transferring ultrasonic vibration to common wire drawing, belong to ultrasonic plastic processing.

157. During the research, ultrasonic signal testing system was designated by adopting transform the average value of function to nought, optimizing of collection frequency and transducer frequency.

158. This paper introduces the principle of ultrasonic antiscale devices, and makes an experiment on ultrasonic antiscale devices at cooling circulatory of turbid water.

159. At last, the recent development of ultrasonic backscatter imaging is reviewed.

160. And the ultrasonic suspension mechanism of the piezoelectric transducer is analyzed.

161. Ultrasonic vibration assisted EDM was proposed and its principle was introduced in this paper.

162. Results Irregular thickening of the cystic walls, septums and solid mural nodules in some cases were specific findings for the ultrasonic diagnosis of cystic renal carcinomas.

163. Ultrasonic airlift loop reactor ( O 3 for the reactant gas ) shows potential , wide application for wastewater treatment.

164. Objecitve: To evaluate the characterization in myocardial fibrosis of hypertensive heart disease with ultrasonic backscatter parameters.

165. Drilling experiments are also done to test the performance of this ultrasonic driller.

166. The effects of ultrasonic on the tin - bismuth alloy electroplating are studied.

167. The precision of the ultrasonic flowmeter with small tube diameter and frequency difference method is affected by several factors, so to gain more accuracy is difficult.

168. Modern medical technology like type-B ultrasonic checks can reveal the fetus gender.

169. Objective To explore the significance of ultrasonic cardiographic (UCG) examination for heart injury in patients with ankylosing spondylitis (AS).

170. Electromagnetic acoustic transducer ( EMAT ) is a new ultrasonic transmitting and receiving device.

171. The wall thickness measurement system by ultrasonic scan imaging technology was described, in which multi-channel probe, pulser-receiver PCI card and network were applied successfully.

172. Objective To preferred way of kidney biopsy with ultrasonic guidance.

173. Objective To explore the relativity of the ultrasonic image observed in real time and the size of coagulative necrosis produced by the exposure with high intensity focused ultrasound(HIFU).

174. Mainly study the affect of the frequency of ultrasonic vibration on the grinding process.

175. Conclusion The ultrasonic guidance automatic biopsy method should are spreaded.

176. Electromagnetic testing and ultrasonic testing are the main points for materials hardness, hardness depth, crystallite size, limiting intensity etc.

177. The shrinkage cavity defects in tail of extruded aluminium alloy bar are studied by ultrasonic wave detection.

178. Conclusions Sequence check method in ultrasonic diagnosis of fetal deformities was valuable for fetal prenatal deformity screening.

179. Doctor: No problem , we can invite the oculist to see you and a simple operation ( laser beam or ultrasonic therapy ) will enable you to see light again after the blood glucose is well controlled.

180. Objective:To assess the ultrasonic diagnosis of lumbosacral spinal dysraphism(LSD)with tethered spinal cord(TSC)syndrome and to evaluate the ultrasonography value in postoperative follow up.

181. Carcinoids had ultrasonic characters in most pleomorphic adenoma and were confirmed by surgery and pathology.

182. Objective To determine the value and safety of the high - risk uterine cavity operation with ultrasonic monitoring.

183. The principle of sonochemistry and ultrasonic apparatus for chemical laboratories are introduced.

184. Yongping Copper Mine has summarized the methods of frequency selection and calibration of PSM-400 ultrasonic wave separator-size analyzer in practice.

185. A special design to produce 2-5 layers bonding from feeding raw material, ultrasonic welding, slitting to rewinding filter bag with automatic mechanism.

186. Through designing and making simulation reference block for EBW seam, the ultrasonic C-scan testing method is studied.

187. The main achievements are obtained as follows: Theory of ultrasonic open channel flowmeter is fully analyzed.

188. The soluble protein in the supernatant was separated with the precipitate after ultrasonic cytolysis and centrifugation.

189. Using an ultrasonic level detector and a conductometer, the situation of level fluctuation and fluid mixing was determined.

190. This paper designed a kind of ultrasonic gas meter applying LM 1812 according as the frequency - difference method.

191. Power MOSFET has been used in wide areas including switching power supply, motor speed, uninterrupted power supply, high-frequency ultrasonic generator and heating power.

192. Method: Copper needle was placed into the tumor tissue under the guide of colored Doppler ultrasonic angiograph with a probe of 70MHZ.

193. Applying the scanning device , the residual limb is scanned and its multi - angle ultrasonic images are obtained.

194. The miniature ultrasonic probe and azygos hemodynamic study play a more important role in evaluation the treatments of esophageal varices.

195. Aim Study on the characteristics of the input impendence of cosine type loaded ultrasonic horn.

196. This paper introduces the principle and implementation of fetal monitor based on DSP and ultrasonic Doppler theory.

197. The action units are provided with far infrared ceramics and ultrasonic energy converters which are connected with the ultrasonic generator.

198. This moth's ear is tuned in to the bat's ultrasonic squeak.

199. The ultrasonic pulse sent is controlled by CPU, The ultrasonic pulse can be sequent and discontinuous.

200. Its coupling oxidation is implemented by using mixed oxidant containing O-, O2, O and O3 in coupling field formed from at least two both of magnetic field, ultrasonic wave and UV light.

201. METHODS: The ultrasonic transducer is located by using single chip computer and absolution position coder.

202. Objective To study the ultrasonic imaging characteristics and its diagnostic value for clonorchiasis.

203. In this paper, the basic principle of coded excitation is introduced. Through acoustic intensity analysis, the maximum improvement of SNR of ultrasonic image with coded excitation is deduced.

204. The antioxidant of Terminalia chebula Rotz are distilled by the ultrasonic extraction method with acetone, ethyl acetate and 85% ethanol.

205. The extraction condition that influences the yield of arabinogalactan was studied, including ultrasonic wave (power), mass ratio of liquid to material, raw material granularity and extraction time.

206. In NDT ( Non - destructive Testing ) of weld flaw, UT ( Ultrasonic Testing ) is an important method.

207. ... electric potential measurement, microwave measurement, capacitance measurement, ultrasonic measurement, laser measurement, etc.

208. Automatic ultrasonic testing, manual ultrasonic testing and radiographic testing techniques were used on the inspection of embedded defects.

209. Chaodong Li, Chunsheng Zhao. A Large Thrust Linear Ultrasonic Motor Using Longitudinal and Flexural Modes of Rod-Shaped Transducer. 1998 IEEE Ultrasonics Symposium Proceedings.

210. The mantid ear -- a single slit -- is sensitive to the ultrasonic "pings" emitted by hunting bats.

211. Ultrasonic transducer takes charge of the transformation between sonic and electricity energy, and plays a significant role in the acoustic system.

212. ObjectiveTo optimize the extraction process of polysaccharide from D. fimbriatum Hook. var. oculatum Hook by ultrasonic hot reflux assisted.

213. Purpose : Investigate and discuss the value of the ultrasonic diagnosis on acute appendicitis.

214. The ultrasonic technics was applied to anode oxidation of aluminum. The influences of ultrasonic on anode oxidation curves, electrolytic process parameters and oxide film's morphology were studied.

214. try its best to collect and create good sentences.

215. In this study, different solvents were used to extract vanillin from vanilla bean by ultrasonic. The extraction was separated by SPE, and analysed by GC-MS.

216. Ultrasonic cardiogram ( UCG ) is helpful to establish diagnosis.

217. Objective To determine the calcaneum bone density of pregnant women's in meta late-phase with ultrasonic bone density apparatus.

218. A new approach of digital scan converter for medical ultrasonic imaging system is proposed.

219. Objective To winnow and establish the optimal condition for ultrasonic extraction of total flavone from christina loosestrife herb.

220. With a model for the ultrasonic signal, the requirement on receiver and transmitter performance and the detection accuracy of the bearings of an ultrasonic borehole televiewer are discussed.

221. Tool electrode ultrasonic vibration aided gas medium EDM technology was proposed and correspondingexperiment system was designed.

222. It was found that extracting time had evident effects on ultrasonic extracted Chinese Angelica ( Danggui ).

223. Result: Fever ( 100 % ) was the most common clinical manifestations, ultrasonic cardiogram ( UCG ) detected vegetation 25 cases.