1. The human ear cannot hear very high-frequency sounds.

2. Different names are used to describe high-frequency hearing loss.

3. Other experts suggested the use of high-frequency sound waves or ultraviolet light.

4. Surgeons then insert another probe that emits high-frequency radio waves-similar to microwaves-heating the surrounding tissue and creating a small lesion.

5. They send a chart daily to mariners by high-frequency radio facsimile and over the Internet.

6. Production and sales of high-frequency transformer. FBT ignition coil. LNB. Switching power supplies.

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

8. Electrocoagulation:Therapeutic use of a high-frequency electric current to bring about the coagulation and destruction of tissue.

9. The parameter design of high-frequency transformer, input and output circuit, IGBT circuit and resonant loop is introduced in detail.

10. For the production of high-frequency electric resistance welding steel casing series provides a strong raw material supply and technical support.

11. Conclusion The portable high-frequency argon-beam coagulatory haemostat is excellent and reliable.

12. Conclusion:High-frequency capacitors field treatment instrument, Milligan hemorrhoidectomy and PPH all are effective treatment methods for mixed hemorrhoid.

13. Conclusion It is obvious that the high-frequency hearing loss is caused by high intensity noise in artificial gem plant.

14. The machine comprises a high-frequency vibration draining screen in the upper part and a coal slurry buffer storage tank in the lower part.

15. Portable High-frequency Vibrator is a kind of vibration source for engineering detection and shallow seismic survey .

16. Operating Room Products: Anesthetic Machine, Anesthetic Monitor, High-Frequency Surgical Instruments, Shadowless Lamp, Operation Table, Purification System.

17. The analysis reported here has been motivated by investigations of high-frequency cellular oscillators with periods of the order of minutes or less.

18. This encouraged the natural impulse to whistle, and led in turn to the use of instrumental whistles emitting high-frequency sound.

19. Reportedly(), the altitude of three hundred miles would also be ideal for the interception of high-frequency communications.

20. Objective: To identify the sonographic normal values and influencing factor of human vocal cord and false vocal cord and to confirm the value of high-frequency ultrasound applying to the larynx.

21. The novel technique proposed modifies the current coupling device in single-phase or three-phase electric power measuring equipment, and adds two high-frequency coupling windings to each.

22. Main circuit, which applies IGBT full-bridge inverter structure, is made up of rectifier, filter, high-frequency transformer and the latter inverter.

23. The Mission Modules for the AN/PRC-117G provide the radio with additional functionality such as a second wideband channel, high-frequency communications, ISR and jamming.

24. Running a transformer into the wrong load will alter its high-frequency roll-off and square wave response.

25. Objective:To evaluate the diagnostic value and clinical meaning of high-frequency ultrasound for plunge ranula.

26. In constant-current power supply to variable speed wire-feed system of SAW, the stability of arc voltage can be improved when using high-frequency, push-pull H-bridge driver wire-feed circuit.

27. In addition, the son buoys are not linked to the seabed, which has a very good floating performance, and can be able to test some of the high-frequency wave form.

28. Lateral channel migration, channel lobe switching, but also volcanic pulses generated a predominantly fining-upward high-frequency cyclicity./high-frequency.html

29. Functional relations between measured linewidth and optical parameters, structural parameters, oscillator coil and high-frequency rectangular pulse numbers have been derived in the paper.

30. The thrust curve of rolling-control engine is easily overlapped with high-frequency and wide-amplitude vibration signal during the test process, which makes the automatic data processing difficult.

31. It can be operated under cold - pressing at room temperature, - pressing or high-frequency heating and pressing.

32. Then, we analyze the field-distribution in the High-frequency structure with helix cavity and gain the distribution function in the interaction space.

33. The results suggested the meaning of high-frequency Chinese characters can be accessed directly by the activation of graphic information.

34. High-frequency words extracting algorithm based on suffix tree is used to extract content features of items and the use of thesaurus can be avoided.

35. Objective To practise probing into the high-frequency supersound while diagnosing at the knee cyst.

36. The device uses an actuator made of a stack of lead zirconate titanate layers to generate high-frequency vibration.

37. Methods 51 patients who have tumefaction or ache of submandibular gland were scanned by high-frequency ultrasound.

38. Which can provide theoretical reference for removing paraffin wax based on high-frequency dielectric heating effect.

39. Objective Discussion of high-frequency ultrasound in peripheral neurilemmoma diagnosis application value.

40. Ultrasound Biomicroscopy(UBM)is a new ultrasonic equipment with high-frequency transducer by which structures in the anterior part of eyes can be real-time observed and measured exactly.

41. Various parameters in the main circuit were calculated. meanwhile, it is very important to design the high-frequency transformer.

42. And also the transmission circuit, the high-frequency amplification electric circuit, and the band-pass circuit were controlled entirely digitized by the MCU.

43. Alternatively ...A Swedish company, Promessa, will freeze-dry your body in liquid nitrogen, pulverize it with high-frequency vibrations, and seal the resulting powder in a cornstarch coffin.

44. The function of a loop filter is to filter high-frequency signal out of the output voltage from PFD and CP, thus the output signal from VCO will be purified.

45. With rapidly growing demand in high-frequency digital modularization power supply system, it's significative to study on high-frequency digital switching mode power supply.

46. Ten years later Spencer patents a "radar range" that cooks with high-frequency radio waves; that same year, the Tappan Stove Co. introduces the first home microwave model.

47. In order to improve surface properties of the materials, high-frequency induction quenching and wide-bond laser quenching techniques were used in this test.

48. The causes of the phenomena are explored by studying the characteristics of audio frequency power amplifier and the pulse modulation of the high-frequency switch power supply.

49. The features, inner block diagram, basic operating circuit and work principle of High-frequency waveform Generator MAX038 were introduced.

50. To solve the problem of locating the multipoint earthing of the transformer core, two novel methods, named as high-frequency method and travelling-wave method, are analyzed and compared in detail.

51. To alumina, the production of high-frequency ceramic - based industrial ceramics.

52. Objective To elucidate the underlying mechanisms of the high fatigability in mouse atrophic soleus during high-frequency tetanic contraction.

53. This paper also discusses the high-frequency transformer design, the filter components parameters choices in detail.

54. A stock price plasticity model including high-frequency trading data is established by econometrical methods to analyze the theory of plasticity of stock price.

55. Objective To observe the value of high-frequency ultrasound in benign intratesticular cystic lesions.

56. And we have CNC, CJK, Punch press, high-frequency heating machine, argon arc welding machine , drilling machine....

57. This circuit can guarantee the normal work of APD in large variation of temperature, it is very suited to the photoelectric system for the high-frequency and continuous signal detection.

58. The GSI effect is the phenomenon that some amorphous, which is excited by high-frequency signal, it's impedance changes a lot when it's stressed.

58. try its best to gather and make good sentences.

59. There are no phase-sequence tables, high-frequency control lines, or complex interfaces to program.

60. In AC electrical field, the stable homogeneous glow discharge will appear by using dielectric barrier layer and high-frequency power source.

61. Inductor is the important elements in electronic circuit design, widely used in filters, band-pass amplifiers and other high-frequency compensation circuit.

62. Based on the conventional Class-E resonant high-frequency power amplifier, a new control scheme used in Active-clamped Class-E inverter for ultra-high frequency induction heating is proposed.

63. Searching for a way to create an arc light for use on AC networks, Tesla now found a new fundamental ideal on which to focus: high-frequency electrical phenomena.

64. It is applied in cauterization and sealing of high-frequency ceramic capacitor.

65. The result shows that the vibration isolation performance of "room in room" structure is significantly lower on the high-frequency wave, because of the effect of internal resonance and non-rigid base.

66. Objective To establish the canine fusiform carotid aneurysm model and evaluate the value of high-frequency ultrasound in the aneurysm.

67. Conclusions High-frequency ultrasound is a convenient and feasible method which can detect the skin, subcutis and cutaneous nerve lesions clearly.

68. It illuminates that the main part which transit cutoff region is high-frequency ponderance .

69. The subtle interactions between magnetohydrodynamics and high-frequency plasma waves involving transverse and longitudinal modes are investigated.

70. Therefore, it has been one of the difficult problems which are urgent to solve that the study of electromagnetic coupling between high-frequency antennas such as paraboloidal antennas.

71. Although partial recovery occurs over many high-frequency hearing extremely diminished.

72. In this paper, several thin films samples of Vanadium oxide were got by high-frequency Magnetron sputter with pure metal vanadium as sputter source.

73. In 1956, Beijing first began using high-frequency quenching machine tool plant.

74. The high-frequency relay can be replaced by the circuit in accordance with Fig. 4 - 10 ( b ).

75. It reduces the high-frequency quantization noise generated by imprecisely positioned object edges.

76. Pull out the high-frequency wire at once after the operation is finished.

77. The co-authors mainly describe the monitoring of the cooling water pressure in the high-frequency oscillating tube and the anode current.

78. So, many wax removal technologies were developed. In this paper, a method for removing paraffin wax based on high-frequency dielectric heating effect is researched.

79. This would go a lot faster if you put your trade school diploma to work and helped me set up this high-frequency tone generator.

80. Objective To enhance the value of high-frequency ultrasonography in differential diagnosis for mesenteric lymphadenectasis.

81. The high-speed and high-frequency signal processor has been enabled by a new high-speed buffer memory technology called acoustic charge transport (ACT) .

82. The high-frequency codons were selected by high-frequency codon analysis according to relative frequency of synonymous codon (RFSC) which is calculated by RFCS program written by ourselves.

83. The reliability of high-frequency channel plays a decisive role in correct operation of carrier current protection.

84. A video interpolation algorithm based on triangulation analysis and high-frequency compensation is proposed. And its VLSI architecture implementation is given in this.

85. The damper plate overcomes the disadvantage of poor damping effect to low-frequency vibration and has good damping effect to both low-frequency vibration and high-frequency vibration.

86. The lubricity of hydrocracked diesel fuel in the presence of carboxylic acids with carbon number of 18 was investigated by using high-frequency reciprocating rig (HFRR) test.

87. Conclusion: High-frequency ultrasound is without harm and has high efficiency, it is an important method for the diagnosis of plunge ranula.

88. High-frequency technology results in a high degree of sharpness and detectable details in the X-ray picture.

88. Wish you will love and make progress everyday!

89. Taking on route switchover between LAN and High-Frequency channel and as a key component of HF IP network, HF IP router would be a development direction for future HF communication.

90. Receiver including the high-frequency amplifier, mixer circuit, demodulation circuit, shaping circuit and decoding circuit.

91. An adaptive multiple access algorithms is designed based on high-frequency third-generation automatic link establishment(3G-ALE) technology.

92. This paper discusses the theory analysis and circuit design of high-frequency high power source which is modulated by narrow pulse.

93. CONCLUSION:High-frequency ultrasound is a valuable in the diagnosis of straitness of rabbits' carotid, and it has a good correlation with pathology.

94. In Conclusion, so long as select appropriately time of delay and High-frequency clock, the occurrence of metastability in circuit could be totally avoided.

95. Objective To evaluate the value of high-frequency ultrasound in diagnosis of submandibular gland with sialolithiasis.

96. The paper contents as follows:In the first chapter: overview application field and development condition of high-frequency electro-mechanical conversion device.

97. Objective To explore the rationality of some technical requirements from "High-frequency Electrotome Quality Inspection Specifications (trial implementation)".

98. LTCC is the important composite of modern microelectronic packaging. The perfect properties make it useful widely in the high-speed and high-frequency system.

99. The capability to manipulate high-frequency acoustic phonon generation in both temporal and spatial domains should flourish the field of nanoultrasonics.

100. This ensures that the Zr-Al alloy remains its excellent absorbing behavior after mercury-releasing at high-frequency heating.

101. The invention relates to a method for preparing a high-frequency ferromagnetic film material with component gradient under the room temperature condition.

102. Using high-frequency heating products can be completed once the repression stereotypes.

103. The present invention discloses reduction of submultiple oscillation of power inverter in high-frequency operation.

104. Such as power components Lord rectifier, IGBT or MOSFET, high-frequency transformer and induction coil, etc.

105. Results The efficacy of high-frequency radio knife treatment of cervical erosion depended on the extent and type of cervical erosion.

106. The closed-loop bandwidth, high-frequency open-loop peak and steady-state, root-mean-squared flight-path error were recommended as the system performance measures.

107. For high-frequency quenching, need the data of recording the monitor data and clear WI.

108. The specimen was heated and burnt in oxygen fluid in high-frequency induction furnace. Carbon in specimen was transformed into carbon dioxide, and then determined by infrared absorption method.

109. Introduced the method of multi-transistor modular design, for the output ability are limited in single high-frequency power transistor.

110. Our strong technical force, various types of equipment Mounter, wave soldering, a high-frequency thermal machine ...

111. The specimen was heated and burnt in oxygen fluid in high-frequency induction furnace.

112. Various textiles and leather are used as the bed charge of high-frequency voltage marks so as to produce a softening effect on the material.

113. The bipropellant gas-liquid coaxial orifice-swirl injector has great effects on the high-frequency combustion instability of the LOX/kerosene staged combustion cycled engine.

114. The key technology of high-frequency medical EIT system is presented in detail, i. e. the signal generator, voltage controlled current source, analog switch array and signal demodulation.

115. Conventional methods for controlling the instability of amplitude compensation on high-frequency components include gain-limited high-cut frequency method and stable factor method.

116. Fits for high-frequency mechanical transmission system, movement in active department operation conditions, driven department and active departments combined or separation.

117. S Main business is broadcasting equipment , high-frequency switching power supply and system integration and other IT-related business.

118. Purpose:To study deep venous valvular incompetence of lower extremity by using high-frequency ultrasonography and color doppler.

119. It particularly affects sensitivity to the high-frequency components of the sound spectrum carrying the information that distinguishes different consonant sounds such as K, S and T.

120. Explanation: A symphony of planet-wide observations began abruptly on March 28 when the Earth-orbiting Swift satellite detected a burst of high-frequency gamma-rays from GRB 110328A.

121. Conclusion Benign intratesticular cystic lesions can be identified with high-frequency ultrasound, which can serve as the first choice.

122. During a seven-day auction on eBay that ended on May 29, Novocin says he sold four items, including an X-Band Weather Radar Modulator for $500 and a high-frequency radio circuit card for $32.

123. The analog signal contains high-frequency video information, which helps make up the picture.

124. Objective To evaluate the clinical value of high-frequency ultrasonography in the diagnosis of pilosebaceous cyst.

125. Analysis of the bus transfer characteristics is detailed, including the modeling of transmission line and high-frequency coupled interference of transmission line.

126. Several examples calculating the scattering displacement show that the method used for scattering high-frequency transient wave is effective.

127. The alarm system adopts high-frequency, loud sound and long life electric alarm circuit.

128. Results There was some items needing amended in the test method and requirements of "High-frequency Electrotome Quality Inspection Specifications (trial implementation)".

129. High-frequency heating suitable for welding of thin wall pipe fittings.

130. Conclusion High-frequency ultrasonography can find carcinous nodes early, and make thyroid carcinoma early diagnosed.

131. The utility model discloses an electric energy quality regulator, comprising an original edging voltage changer, a high-frequency transformer and an auxiliary edging voltage changer.

132. Airy phase of high-frequency pseudo Rayleigh wave (low velocity) is good permeability indicator when environmental condition is taken into account.

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

134. In order to enlarge the applied range of ADI, we explored the feasibility of surface heat treatment by two different processes of high-frequency quenching for ADI.

135. During a seven-day auction on eBay that ended on May 29, Novocin says he sold four items, including an X-Band Weather Radar Modulator for and a high-frequency radio circuit card for .

136. Moreover, the pre-oxydation treatment of the alloy as well as high-frequency enamelling technique are interpreted.

137. The high-frequency transformer which uses two windings in parallel with power converter, together with the use of interleave control will split input current and raise the efficiency of conversion.

138. Due to characteristics of bismuth layer structure ferroelectric materials, there are extensive applications on high-temperature, high-frequency fields.

139. Object: To approach the reliability of high-frequency current acting upon the devitalization of dental pulp , the safety and clinical effect for peripheral tissues of root tip .

140. The PSPICE design and simulation of the HBT high-frequency small-signal equivalent circuit and of the photoreceiver front-end transimpedance amplifier circuit was carried out for optimization.

141. The invention belongs to a high-frequency heating device, in particular relating to capacitors of an LC coupled circuit.

142. Based on the high-frequency data, the realized volatility and realized covariance matrix was introduced systematically.

143. Objective To observe the effect of treating digestive tract by high-frequency electroresection .

144. Objective: To investigate the effect of high-frequency electrotome and the vaporization on dermal tissue structures.

145. We have the complete production lines for RFID smart label(), which are able to produce all kinds of RFID smart label with high-frequency or ultra-high frequency chips.

146. Sonographic patterns of joint effusion were:anechoic, cloudy, mixed and snow-storm on high-frequency ultrasound.

147. Methods 56 cases of digestive tract polyps were removed by endoscopic high-frequency electroresection and electrocoagulation .

148. After filtered,[http:///high-frequency.html] high-frequency interference signal is filtered basically. The signal graph can express clear the ergogram.

149. The 4th International Exhibition of equipment for electrothermics, welding, cutting, high-frequency.

150. Therefore, the optimal design of high-power high-frequency transformer design is quit pivotal to the goals above.

151. GN-JDR5 type ground resistance measurement tester for large-scale grounding grid is developed based on high-frequency link technology and DSP control technology.

152. It is also found that there are multiple Solutions of the propagating mode with imaginary transverse wave number for certain component parameters, and the mode has the high-frequency cutoff.

153. Gaussian beam (GB) method is a high-frequency asymptotic method of computing wave-fields in inhomogenous media.

154. Two cases of troubleshooting of Shimadzu S/V AX—FAST stomach-intestine high-frequency x-ray machine system intermittent failure are introduced.

155. The main circuit includes rectifier, inverter, high-frequency transformer and wire heating circuit.