单词 | Acoustic |
例句 | 1. The hall has a fine acoustic. 2. Animals use a whole rang of acoustic , visual, and chemical signals in their systems of communication. 3. The microphone converts acoustic waves to electrical signals for transmission. 4. She was backed by acoustic guitar, bass and congas. 5. The microphone converts acoustic waves to electrical singals for transmission. 6. Possible swap for interesting electric or acoustic. 7. Electric bass, electric and acoustic guitars. b. Tibsheif, Derbyshire. 8. Increasing the specificity of the acoustic information. 9. Perhaps it is an acoustic source of sound waves. 10. Its unamplified acoustic properties are really quite surprising. 11. In the acoustic shop,() a surprising amount of work is carried out by hand. 12. Ovation Legend Custom acoustic, 9 years old, good condition, with case, £850. 13. This acoustic ability of pet cats explains why they sometimes appear to have supernatural powers. 14. Bley plays acoustic piano in duo with Steve Swallow, and their rapport projects extraordinary warmth on this delightful album. 15. The high acoustic quality of the recordings proved to be critical in such cases. 16. The same new acoustic effect has been discovered repeatedly throughout the past century! 17. Deaf people get no acoustic feedback when they talk, so their speech is often impaired. 18. Concerts are held underneath an acoustic overhang erected among trees in the grounds of the Chteau de Florans. 19. It's acoustic and a little more reticent, but highly focused and with plenty of absorbing incident. 20. Through an amplifier, the New York maintains its acoustic brightness and bluntly refuses to be anything other than a blank canvas. 21. Do you remember when everyone got a bit tired of electronic clutter and went unplugged and acoustic? 22. Yet lexical access stands in the same relation to these levels as the acoustic front end stands to lexical access. 23. At a photo-session violinist Nigel Kennedy would initially only pose with a one-stringed acoustic guitar. 24. Their supporting act was a guy dressed in black playing acoustic guitar. 25. Buckingham used his Takamine for a lot of the acoustic parts, but various electrics and other acoustic guitars were also employed. 26. Musically - forget it, but the spot effects are great and make up for the poor acoustic tones. 27. That is, 4,000 x 4,000 words have to be checked against the acoustic, phonological and syntactic constraints. 28. The 11 sinuously blended songs of ambient texture and acoustic sensitivity are striking and pure, with a confessional intensity. 29. The Western Electric system was thoroughly thought out, with a performance exceeding acoustic cutters by two-and-a-half octaves and almost unlimited amplification. 30. I look forward to hearing them again in a more lively acoustic. 1. Animals use a whole rang of acoustic , visual, and chemical signals in their systems of communication. 2. The microphone converts acoustic waves to electrical signals for transmission. 3. The microphone converts acoustic waves to electrical singals for transmission. 31. For starters, he plays piano, not guitar, and acoustic piano at that. 32. Moreover it may sometimes be the case that the acoustic input is simply insufficient to discriminate between hypotheses. 33. Like a metronome, every five seconds the submersible generates an acoustic tracking pulse at 8. 1 kilohertz. 34. The printer is noisy and should be fitted with an acoustic hood, or replaced by a quieter machine. 2. 35. Similarly, mines can be fitted with various types of sensors, whether seismic, magnetic, acoustic or infrared. 36. Perhaps even more destructively, the Philharmonic Hall acoustic does not make for the clarity of diction experienced in the average theatre. 37. The problem is not just one of poor acoustic input but also of ambiguous word boundaries. 38. After some education they turn these patterns into print, or reverse the process, turning print into acoustic events. 39. Instead, Tania Maria's voice floats sexily around swelling strings and simple acoustic guitar. 40. It is known that there are few, if any, reliable acoustic cues to word boundaries. 41. There is nothing electric here, nothing bombastic nor blaring, as this is his first acoustic recording. 42. Budd, who has been strumming his acoustic guitar through the Midwest, writes introspective songs with a witty, sincere touch. 43. People are sensitive to acoustic patterns impinging on their ears when some one speaks. 44. Or perhaps it was the combination of moon, surf, and acoustic guitars. 45. Lintvalve Electronic System, an acoustic leak detection equipment company, was bought in December 1991. 46. Just an acoustic guitar and a backdrop of the sun shining. 47. The ability of speech recognition systems to discriminate words from acoustic information alone is not encouraging. 48. The set of all labels which the acoustic front end must decide between is the set of all phonemes in the language. 49. Furthermore,[/acoustic.html] the same acoustic information can be perceived differently depending on its higher-level context. 50. Carlsbro Sherwood 90, acoustic combo, £150, Marshall practice amp, £45. 51. The representation must allow us to compute a link between descriptions of acoustic input and stored descriptions. 52. He recently released a live acoustic album on the Plump label. 53. Performance was relatively weaker with small scale acoustic recital and chamber material where a certain hardness sometimes intruded. 54. This features Boyle with bass and drums playing acoustic and electric guitars and synthesizers, with a strong world music emphasis. 55. As in the case of any musical instrument, the actual form of each grotto directly influenced its individual acoustic properties. 56. He re-appears, gently strumming his 40-year-old acoustic guitar in the midst of the audience and proceeds to busk around the crowd! 57. A major cause of ambiguity is the lack of acoustic cues to word boundaries. 58. The noises you heard - the explosive noises - were the acoustic effects of a second Darkfall strike. 59. This means that acoustic microscopy shows exceptional potential for the study of biological systems in particular. 60. He also uses a mixture of acoustic and electronic instruments. 61. I did the acoustic hillbilly guitar on it - you can really hear the guitar at the end. 62. The insects that bats prey upon have a comparable battery of sophisticated electronic and acoustic gear. 63. The ceiling is closed up with varnished boards which renders the acoustic properties excellent. 64. When they were built Dungeness was quiet enough not to interfere with acoustic signals. 65. Should it at times carry more weight than bottom-up acoustic quality? 66. The situation is improved by adding velvet curtains, acoustic tiles and a thick pile carpet. 67. Unfortunately, the beginnings of utterances appear to be particularly unconstrained by either the acoustic material or the linguistic interpretation. 68. I'd love to add some acoustic sound into the mix with my MIDI guitar. 69. The semantic constraint may take precedence over acoustic information. 4.2.2.2. 70. This enables you to put in recessed lighting, or to add an acoustic or tongue-and-groove wood finish. 71. Headphones are not practicable for hearing aid wearers because the proximity of the headphone causes acoustic feedback in the aids. 72. Various pieces of recording equipment are used to produce interesting acoustic effects. 73. National made these instruments specifically to be the loudest acoustic guitars in existence - and they succeeded. 74. Areas of poor acoustic quality but tightly constrained by local syntactic and semantic information would be identified through top-down prediction. 75. And accordingly, listeners process acoustic information less carefully when dealing with predictable words. 76. So as a sideline I managed to persuade them to put out an album of the more acoustic stuff. 77. While the sub was on the seafloor, I learned to track her from the surface using the acoustic navigation instruments. 78. A further problem can be the microphone performance - different microphones can produce different acoustic signals which need to be standardised. 79. For speech recognition the principal operational difficulty to be faced is the interference to the acoustic signal from background noise. 80. Input to the process is a graph of inactive edges marked with phoneme labels and possibly other information such as acoustic probability score. 81. Acoustic technology could also improve safety; fiber-optic sensors, for instance[/acoustic.html], could listen for leaks in pipelines and refineries. 82. They all share certain acoustic properties which, he thought, would make the call difficult to locate. 83. Acoustic and folk music fans are familiar with her 20-year span of live performance and recorded works. 84. Then he analyzed tapes of those encounters in an acoustic laboratory at the National Zoo, set up to study bird calls. 85. Sensa has also developed pressure and acoustic sensors to detect the water and gas content of oil wells. 86. The first covers transducers, horns or velocity transformers and acoustic input and amplitude, and mentions health and safety. 87. In understanding spoken language, lexical access is achieved by using information from the acoustic representation of a word. 88. It is this industrial market that excites potential manufacturers of acoustic microscopes. 89. The vibration takes the form of an acoustic wave travelling down the rod. 90. The reverse acoustic ceilings amplify the din to a decibel range appropriate for a wind tunnel. 91. I was in a large recording studio, walls and ceiling covered in acoustic tiling. 92. Regarding a transducer pickup for your acoustic guitar, Washburn will happily suggest the correct model to fit the D70. 93. Similarly, how does a moth perceive the ultrasonic acoustic radar signals of a bat? 94. His acoustic guitar work is considered the standard by which all other flamenco players are now measured. 95. In the old days there were a lot of acoustic songs, and a lot of switching. 96. Indeed, the acoustic microscope complements well the capabilities of optical and electron microscopes, offering important advantages in certain areas. 97. Lieberman's experiment cited above suggests that acoustic clarity decreases with predictability from context. 98. We increased the acoustic information by incorporating lexical stress into the representation. 99. Tucson faves Willie and Lobo bring their high-spirited nuevo flamenco acoustic gypsy music to town tonight, along with special guest Sunyata. 100. Investigating phonological variation: acoustic measurements or phonetic transcription? 101. Acoustic guitar, guitar, ukulele, drum set, violin. 102. You must have an acoustic problem. 103. He plays a solo acoustic set. 104. In applied acoustics field, the sound absorption measurement of an acoustic material and structure is always an important and basic task. 105. This paper presents a convenient yet accurate method for the measurement of acoustic velocity, the method of acausto-optic synchronism. 106. The results indicate that proper combustion phase retarding can reduce acoustic intensity significantly and maintain the performance and emissions. 107. Conclusion Acoustic analysis is very valuable to evaluate the state of marginal velopharyngeal closure. 108. Designed acoustic imaging system, it is demonstrated that using acoustic lens imaging is feasible through measuring these sound fields distributing of single dot body and three dots body. 108. try its best to gather and make good sentences. 109. Provided is a method for manufacturing a surface acoustic wave device by which deterioration of electrical characteristics is reduced and the number of manufacturing steps is reduced. 110. In this performance, Rattle had the acoustic of the Symphony Hall on his side. 111. The Contents include anatomical pathways of the acoustic reflex, various pathological reflex types and related audiometric test . 112. In acoustics, the product of velocity times density, also called acoustic impedance and symbolized by Z. 113. The research of this article mainly focuses on the technicals of the design of low power consumption acoustic transponder, and the realization of the platform of long base line transceiver. 114. The mechanism of reducing aerodynamic drag by acoustic excitation was briefly analysed. 115. The vehicle control commands from shore-based or ship-based platforms and status messages are usually transmitted by the acoustic communication system. 116. The pavilion acts like a visual and acoustic filter that allows a flexible positioning of the musicians and audience, and a playful integration of its surroundings. 117. To a certain SRV(sport recreational vehicle), firstly BIP(body in prime) FE model and acoustic FE model were built by experiments and CAE modal analysis. 118. Objective:To manage the back wall defect of external acoustic canal and opened mastoid cavity which was remained from radical mastoidectomy . 119. The resection of huge acoustic neurinoma with nerve function reserving that has advanced the country levels. 120. This firmly establishes the nature of the oscillations as low acoustic eigenmodes of the subphotospheric layers. 121. To prove the system can be used in underwater acoustooptic communications, with this system, the acoustic frequency and intensity of underwater sound source are detected. 122. The complex sound field distribution of the focused transducers was calculated by the coordinate transform method, and the acoustic power was measured. 123. The trajectories of particle movements in a standing wave acoustic field are recorded by fast-speed video camera. 124. Objective To explore the skill for microsurgical removal for acoustic neuromas using brainstem auditory evoked potential and electromyography. 125. To test for the ringing acoustic signatures of tiny bubbles, physicist Helen Czerski of University of Rhode Island has devised a specially-designed echo chamber about the size of a soccer ball. 126. Hot firings show that the frequency of the oscillating shock is close to the acoustic frequency. 127. Romantic symphonies, piano, strings, acoustic guitar, flutes, harp and soft chimes tumble gracefully from the heavens. 128. When a sound wave strikes the spheres at one end of the acoustic lens, the sound gets converted into a type of shock wave known as a solitary wave. 129. The progress in room acoustics is discussed, including researches on room sound field, sound absorption of room and acoustic quality of hall. 130. According to the results from both the acoustic monitoring and the multi-point extensometer monitoring on the powerhouse made during past two years, the loosen zone of the rock is defined as 0. 131. Objective:To summarize the results of microsurgery with neuroendoscope in treatment of portio mollis acoustic neurilemoma. 132. Surface acoustic wave touch screens rely on the absorption of sound waves to detect a touch so a finger or gloved finger will work. 133. This paper discusses passive acoustic sensing technique for target localization. 134. Four parts are included : acoustic lens,() mechanics I electronic circuitsand microcomputer system. 135. Under the contract, Lockheed Martin will design, produce and install the new AN/USQ-78(V) Acoustic Subsystem for the P-3C Orion maritime surveillance aircraft. 136. Bose Acoustic Noise Cancelling headphone technology in QC3 headphones electronically identifies, then dramatically reduces noise, while preserving the audio or tranquility you desire. 137. In this paper, the design of acoustic environment in the anechoic room, reverberation chamber and simply equipped room for noise measuring is presented. 138. Research has also investigated the possible association of other kinds of brain tumor with mobile phones but scientists say acoustic neuroma would be a prime risk indicator. 138. try its best to collect and make good sentences. 139. Because woodiness sound box is solid, casing is thick, acoustic quality changes greatly. 140. The decomposition and restructuring algorithm of wavelet packet analysis(WPA) is introduced for studying signals of wood acoustic emission. 141. Further, the acoustic detector may be operable to produce a signal representing the detected response by the construction material to the acoustical energy. 142. In geophysics, reflection refers to the seismic energy or signal that returns from an interface of contrasting acoustic impedance, known as a reflector, according to Snell's law. 143. Objective To investigate the clinical course, growth character and treatment of bilateral acoustic neuromas (BANs). 144. The acoustic emission also shows a decreasing rate , following the drop in stress - intensity factor. 145. The experimental results show that acoustic resistance of perforated plate is related to plate thickness, aperture diameter, numbers of aperture, acoustic frequency and airflow velocity. 146. It is useful to the measurement of transmitted time of sound wave in acoustic pyrometry and to the sound source location of 'four-tubes' leaking in boiler based on TDE. 147. The gain limitation of particle velocity and acoustic energy flux in the sea surface noise field and half-isotropic noise field is discussed based on orientation-exponent theoretic. 148. Objective:To investigate the surgical methods and results of enlarged translabyrinthine approach in the removal of large acoustic neuromas. 149. The combustor resonance properties are portrayed by instability zones, one z one for each acoustic mode. 150. Conclusion voice acoustic analysis can evaluate the operative effect of laryngeal polypectomy objectively and quantitatively. 151. The acoustic detector in the armband contains five piezoelectric cantilevers, each weighted to respond to certain bands of sound frequencies. 152. As the key point of the sound reflection and sound transmission, the acoustic coupling analysis received extensive concern. 153. The issue of acoustic contribution is analyzed and discussed based on acoustic transfer vector (ATV) approach. 154. Objective:To have an acoustic densitometry (AD)analysis about the relationship between doses and effects in experiment rabbit liver with second harmonic contrast imaging. 155. Yes SR motors can produce excessive amounts of acoustic noise. 156. The high energy range of acoustic excitation, the peaks of combustion noise and major discrete frequencies are identified. 157. Using acoustic emission instrument, the AE activities of the F-12 fiber wound composite case in hydraulic test are monitored under a lower pressure approximated to 43% of its designed burst pressure. 158. In consideration of the directivity and acoustic power, the input voltage distribution of a loudspeaker array can be optimized and selected. 159. The complementary series also find its applications in the acoustic surface, -wave transducer coding and the infrared spectrometry. 160. The straight line may pass through the center of the dust cover of each acoustic driver. 161. Chapter 2 of this paper introduces the characteristic of acoustic feedback signal and the principle of automatic feedback exterminator. 162. The microphone phase mismatch error is the main error factor of acoustic intensity measurement system. 163. The present paper reported the primary study on random bandpass and band-rejection filter module utilizing surface acoustic wave channelized technology. 164. Unlike optical systems, acoustic check systems can bother the passengers of a vehicle a lot. 165. It is shown that the attenuation coefficient will decrease obviously with the increase of Mach number, and the nonlinear acoustic resistance and acoustic mass will reduce slightly. 166. In acoustic signal processing, it is valuable to determine whether a real mom acoustic system is nonlinear deterministic. 167. The working frequency of a thermoacoustic engine has effect on the matching mode of engine with the acoustic load. 168. The thermoacoustic phenomenon is a positive excitement betWeen lieat release and acoustic oscillation. 169. The bottom boundary layer under cnoidal waves was studied by using Acoustic Doppler Velocimeter(ADV) technique in a laboratory flume. 170. The utility model adopts surface acoustic wave filter, and the circuit is simple to realize. 171. Methods 135 patients harboring acoustic neuroma with larger and medium size were treated surgically by suboccipital retrosigmoid transmeatus approach for reserving facial nerve. 172. The Holy Box was released the same year by Lucretia Records including exclusive acoustic tracks. 173. A scheme was proposed for the bearing estimation of the separate sections of a volume target with a non-typical vector acoustic intensity array. 174. In underwater acoustic engineering, improving precision of acoustic measurement for materials in free-field is very important in design of acoustic stealthy of underwater vehicle. 175. Loudness is an important parameter for the acoustic evaluation of concert hall. 176. The inverse acoustic scattering problem is a typical inverse problem. 177. Because of bad transmission condition in underwater channel, synchronization signal processing is a key factor of underwater acoustic communication system. 178. To start with the status acoustic environment of the Wukuang residential area, some considerations and ways of sound barrier design were given for protecting the residents from highway noise. 179. It is associated with impaired hearing on behavioural pure-tone audiometry, absent acoustic reflexes, and poor speech perception, particularly in noisy environments. 180. So, the transducers with wide frequency band should be used in acoustic logging tools. 181. The progresses of the formulae, measuring techniques, acoustic evaluating and design of reverberation time are studied. 182. Searching for the methods of acoustic evaluation and phonatory detection has become the focused problem by doctors in otorhinolaryngology and speech pathology. 183. At the process of CT crack and rapture evolution, the acoustic emission can not precisely reflect the meso-mechanism of rock deformation and rapture because of localization of damage. 184. Sound wave has information about scalar field and vector field. But pressure sensor was predominant in underwater acoustic field for a long time. 185. Striking natural wood grain connector design compliments the natural wood look of acoustic guitars. 186. Direct sequence code division multiple access (DS/CDMA) as a technique for underwater acoustic networks is attracting attention from researchers. 187. Results showed that the research under the concept of the acoustic mode is significant in the efforts of reducing the noise level of ships. 188. To evaluate the application of endoscope in acoustic neuroma resection in internal auditory canal ( IAC ). 189. M sequence signal can be chosen as the receiving deterministic pulse signal when using acoustic vector to determine the direction of the sound source. It possesses favorable anti-multipath capability. 190. Second, the route of spread is controlled and acoustic barrier is set up, especially in viaduct. 191. As the developing of the computer technology, voice pattern recognition technology basing on acoustic signal processing grows fast in recent years. 192. Magnetism measuring, Barkhausen noise and magnetic acoustic emission were often used for electromagnetic testing. 193. Its goals: to use acoustic imaging, sonar, and 3-D video to virtually preserve Titanic in its current state and to help determine just how far gone the shipwreck is and how long it might last. 194. Mode conversion efficiency has been calculated as functions of acoustic frequency, interaction length, guiding layer thickness, and acoustic drive power density. 195. Electronic ballast with ultrahigh frequency (UHF) can avoid the intrinsic problem of acoustic resonance of HID lamps. 196. The noise-deadening property was also analyzed and pointed that it was a new composite material which has much high performance such as excellent noise-deadening and acoustic absorption etc. 197. As a new technology, acoustic and electric imaging well logging can be applied to formation fracture identification, ground stress analysis and structure identification, etc. 198. 7th, Li Jian British Smoke cage earth[sentencedict .com], acoustic shock blue sky. 199. The relation between acoustic emission rate and the stress intensity is nearly the same as those of V vs K1 from results of acoustic emission experiment. 200. The linear relationship between the nodularity and acoustic velocity has been accepted. 201. Shortly after the Dadaist movement, electronic and acoustic media began to merge. 202. There were 2-4 arteries around the cerebellopontine angle segment of the facial-acoustic nerve complex entering the inner acoustic meatus in each side. The arteries were connected with each other. 203. Product: All Kinds Of Push button Switch, Indicator, Emergency Switch, Insturction Switch, Foot Step Switch, Combined Acoustic And Light Screen, Warning Light Etc. 204. Usually, frequency diversity and space diversity techniques are used to mitigate the fading in acoustic communication systems. 205. An application of Hilbert-Huang Transform in underwater acoustic vector signal processing was introduced and a new method of Vector Hilbert-Huang Transform(Vector HHT)was developed. 206. Once, I backpacked around Europe and I brought an acoustic guitar with me. 207. BCB - through COM ports on acoustic touch screen control card data packets directly interpret the procedures source. 208. This paper puts forward an environment acoustic event classification algorithm based on feature analysis. 209. In recent years there are two theories for the acoustic scattering: the Singularity Expansion Method (SEM), and the Resonance Scattering Theory (RST). 210. Dubbed an acoustic lens, the device could also be used to create near photo-quality images of internal organs that surpass the resolution of modern ultrasounds. 211. Objective: To discuss the strategy and technique of large acoustic neurilemoma removed by microsurgery. 212. Results and Conclusions:Our simulations show that in order to improve the focal shape, the outer diameter of the annulus must be as large but the radius of acoustic lens must be as small as possible. 213. The acoustic field separation technique of the statistically optimal cylindrical nearfield acoustic holography has also been developed. 214. How to reduce acoustic feedback and enhance the maximum usable gain of sound reinforcement system is one of the most important terms to evaluate the performance of the sound reinforcement system. 215. This paper summarizes some results of the acoustic design and measurements for multi-sound track recording room (Hangzhou Tape Factory). 216. Auralization is the creation of audible acoustic sceneries from computer - generated data. 217. According to the ideas of modeling on the speech, there are two mainstream categories of language identification: based on acoustic model and based on language model. 218. Acoustic analysis instruments are applied to identify bird embryos and a new semi-invasive method is proposed to measure heart rate of chick embryos in this paper. 219. Different Vocal - tract Shapes : Articulatory Attributes, Acoustic Consequences. 220. I'm going to do a lot of acoustic material which I won't able to do with my band and in time, I'm going to bring other musicians out. 221. For sandstone reservoir, the acoustic impedance of gas-bearing sandstone is lower than that of oil- and water-bearing sandstone, gas in reservoir may be directly recognized by using this difference. 222. As a parameter directly reflecting the petrophysical property of reservoir, the acoustic impedance can be used for predicting reservoir space distribution and storage conditions. 223. Results All the 20 patients with facial nerve neuroma or acoustic neuroma were evaluated by anatomy. 224. This paper describes the design of a frequency shifter to suppress acoustic feedback, to be studied by the experimental method. 225. It is tied to grammar design and to the acoustic environment of the user. 226. Doppler shift is unavoidable in underwater acoustic communications because of relative moving between the transmitter and the receiver. 227. We also observed acoustic waves are converted from alternating electric signal in the formation. 228. First, we determined the acoustic emission stress of the gravel beneath the existing glacier, then compared it with the actual stress by calculation,[http:///acoustic.html] which showed that they were nearly equal. 229. Acoustic emission is the characteristic and irreversible sound emitted by a material when it is deformed. 230. We develop a special design and analysis software of horn in order to provide convenience for the people who design acoustic horn. 231. They are an alternative to physically variable acoustics, where acoustic properties are changed by retractable curtains and doors opening to reverberant chambers, etc. 232. It was shown that using polystyrene as wedge material, high polymer as transducer material and curved wedge as an acoustic lens was the key point of application effectiveness for phased array system. 233. Acoustic guitar is usually used for classical music, folk music and pop music. 234. Based on the results of dispersion experiments on cores of sand and shale, the paper analyzed the variability of acoustic dispersion for dry and water-saturated cores. 235. It is indicated that the surface acoustic phonon effect is important. 236. The development of acoustic materials and the acoustic absorption mechanism was generally introduced. 237. Even at this distance, the stresses are too great for well - behaved acoustic transmission. 238. The acoustic holography technique for sound source identification and position by the method of continuously scanning improves the previous acoustic holography experiment. 239. Therefore in the acoustic evaluation, the connoisseurship aspect, we will hear terminology frequently: the emperor imperial throne describes this best listening region precious. 240. Acoustic velocity is an important bathymetric parameter for the multibeam sounding system. 241. Acoustic generator, as the research objective of Musical Archeology , includes "Primitive musical instruments" and musical instruments. 242. The acoustic parameters include complex reflection and transmission coefficient (echo reduction and insertion loss), attenuation coefficient, complex acoustic impedance and sound speed. 243. So, it is necessary to study the acoustic similarity law in - depth. 244. A common type of inner ear deafness seen in adults is that due to acoustic trauma. 245. Purpose : To explore the histological origin and biological characteristics of acoustic neurinoma on ultrastructural basis. 246. Electromagnetic acoustic transducer ( EMAT ) is a new ultrasonic transmitting and receiving device. 247. Transmission equation of acoustic wave in layered media is given. By numerical calculation(), the effects of acoustic parameters of each layer on the sound wave reflection and attenuation is analyzed. 248. Based on the acoustic transfer vector concept(ATV), the application approach to structural acoustic radiated prediction using the ATV technology for I. C. 249. A numerical method considering anti-sound effects is proposed to calculate nonlinear sound propagation in varying area hard-wall ducts with transonic flow and without acoustic shock waves. 250. Acid rock could never be played by acoustic guitars and a symphony orchestra-could it? 251. By means of noise sources separation experiment of mini-car and the surface acoustic intensity measurement of the engine, it has been found that the main noise source of the car is the intake noise. 252. Now, focus transducers have three kinds of types: Focus transducer, acoustic lens, phased array focusing system. 253. Objective: To assess the value of acoustic densitometry (AD) technique in evaluating innominate artery plaque to be a risk factor of cerebral infarction. 254. Results Arachnoid membrane of internal acoustic canal is extension of arachnoid membrane of cerebropontine angle and protrudes to end of intern... 255. Qualitative identification and quantitative evaluation of fracture and pore have been conducted by use of interval acoustic transit time, litho-density logging, combined with core analysis. 256. In this paper, the effect of dust size distribution for the dust acoustic solitary wave (DASW) in the cold dusty plasma, the hot dusty plasma, the magnetized dusty plasmas and the dusty pl. 257. Lots of acoustic emission during the entire loading are recorded. The recording is able to indicate the occurrence time, location and magnitude of every damage (micro-crack) in the specimen. 258. Many researches on auditory model have been successfully utilized on speech processing recently, while on underwater acoustic signal processing has long been neglected. 258. is a sentence dictionary, on which you can find nice sentences for a large number of words. 259. Visual systems with a fovea are the most familiar, but auditory systems can have an acoustic fovea as well, as has been elegantly demonstrated by Nobuo Suga of Washington University in mustached bats. 260. Therefore, piezoelectric bulk acoustic wave biosensor hemoculture system is a rapid, simple, accurate and cheap, hence it could be used widely in most hospitals. 261. The acoustic absorption regularity of the compound aluminum alleged foam planks is studied by means of standing wave tube. 262. Many acoustic drivers are substantially symmetric about the axis of motion 22. 263. Thirdly, the application of BEM (Boundary Element Method) and ATV(Acoustic Transfer Vector) to the noise analysis of passenger are introduced. 264. Further agreement with panel frequencies was taken to indicate a mechanism of acoustic mode excitation. 265. In this paper, a study of the calculation on the acoustic radiation porblem caused by vibrating body is presented, based on the boundary element method using cubic B spline interpolating function. 266. The seismic reflection signatures of gas hydrate-bearing strata are defined and the lithologic parameter closely related with gas hydrate, i. e. acoustic velocity, is identified. 267. In order to study laryngeal phonic function, the methods of acoustic evaluation and phonatory detection has become the focused problem by doctors in otorhinolaryngology and speech pathology. 268. Adaptive algorithms are applied to real-time stereophonic acoustic echo cancellation to improve the communication quality of teleconference. 269. Ultrasonic transducer takes charge of the transformation between sonic and electricity energy, and plays a significant role in the acoustic system. 270. Acoustic resonator, method for producing acoustic resonance, and heat exchang system. 271. The traditional phonetic research on it has been made but no acoustic analysis has been made. 272. Firstly it reviews and compares the two major ways to achieve echo cancellation, which are the acoustic echo canceller (AEC)and acoustic echo suppressor (AES) in frequency domain. 273. High-sensitivity photoacoustic detectors apply an acoustic resonator for the amplification of the weak photoacoustic signal. 274. Interference of acoustic direct wave coming from sound source makes accurate determination of underground conditions with acoustic waves difficult. 275. A method for extracting the low frequency line spectrum of helicopter acoustic signals is presented based on the one and half spectrum estimation. 276. The wide application of switched reluctance motor ( SRM ) is limited by their higher vibration and acoustic noise. 277. The results of simulation show that the accuracy of passive acoustic locating system based on dual arrays for shell burst of antiaircraft gun is improved, and can also be . 278. ZnO thin films can be used to fabricate transparency electrode, piezoresistor, cell battery window, surface acoustic wave device, gas sensor and light-emitting diode etc. 279. Acoustic material and heat-resisting heat-storing material is filled in the porous inner tube and the housing body. 280. We are manufacturing Amplifiers & Effectors as well Acoustic Guitar Preamp &, Magnetic Pickups. 281. Previous research on acoustic scattering was generally on the premise that the incident waves were plane waves. 282. Acoustic neuromas affect fewer than one in one hundred thousand people a year. 282. try its best to gather and make good sentences. 283. The disturbance is sound wave, conforming to the laws of acoustic propagation in solids. 284. Based on theoretical study, an acoustic amplifier called modified acoustic amplifier with larger diameter capable of improving performance of thermoacoustic engine was proposed. 285. Surface acoustic intensity technique is an important research branch on acoustic intensity measurements. |
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