propagation造句
151. Propagation of virus in embryonating eggs was first used by Goodpasture and Woodruff in 1931.
152. RPS (Reference picture selection) is one of effective schemes for video error-resilience. It selects appropriate reference picture to cease error propagation.
153. The effects of rock characteristics on the propagation of explosion stress wave are studied and the blast action and the crack effects in the orthotropic rock are analysed through fractal principle.
154. The H 2 increases the flame propagation velocity, so the process of combustion is improved.
155. The effects of temperature and equivalence ratio of supersonic premixed combustible flow on the structure of supersonic combustion flow field, ignition and flame propagation were studied.
156. By the use of the eigenfunctions, the formulas of the propagation of the transient wave along rod, beam and beam-rod structures are derived in the present paper.
157. The high frequencies are not emitted, the effect of frequency - selective propagation is not very apparent.
158. Then, an overview of the theory of radio emission mechanisms and the propagation of radio emission in solar coronal was done.
159. The authors present a new retransmission scheme that effectively alleviates error propagation in the transmission of video.
160. Based on the theory of wave propagation in random media,[http:///propagation.html] ionospheric effects on radio wave propagation and the feasibility of short-term forecasting of fading signals in ionosphere are examined.
161. The propagation formula of the cross-spectral density of partially coherent flattened Gaussian Beam(PCFGB) through ABCD optical system was derived using Huygens-Fresnel diffraction integral formula.
162. This kind of beam needs more study on its propagation properties in dispersive media, as well as the beam propagation factor (originally called beam quality factor).
163. Dispersion waveform of travelling wave propagation in three - phase.
164. Transparent tone-in-band(TTIB) and feedforward signal regeneration(FFSR) is a technology to combat the effects of multipath propagation delay and doppler effect in wireless channels.
165. Using a complex analytical signal representation, the free-space propagation properties of ultrashort pulsed Bessel-Gauss beams whose waist width is independent of frequency are studied.
166. A practical software tool for building fault propagation simulative models is developed.
167. The system works on the propagation property of ultrasonic spreading in solid. According to the different speeds of ultrasonic the coal structure type can be distinguished by the system.
168. The high frequency signal propagation on power cable is demonstrated theoretically by solving transmission equation and analysing the stable solution.
169. We studied on the tissue culture and rapid propagation of Bletilla ochracea in the wild primariely, and succeeded in obtaining the healthy tissue culture seedings.
170. The effect of different nursery substrate and seedling methods on propagation of Pteridium aquilinum spores were tested.
171. The stiffness of the long floating bridge and the propagation velocity of displacement wave are much less than those of the general steel or concrete bridge.
172. The time of reaching full developed fire, flame propagation speed along vertical direction and horizontal direction, and the law of fire load influencing on fire development are derived.
173. The signal propagation through nerve system is the basis of studying, memory, sense, movement, so its theory is also the basis of neuropsychosis.
174. The numerical results clearly reflect the wave propagation process and the phenomena of shear wave splitting and wave-field differences caused by the azimuthal property variations.
175. Starting from paraxial wave equation, analytical propagation expressions of hyperbolic secant pulsed beams with narrowband and broadband are derived.
176. Decentered parameter along with the propagation distance decreases more slowly as turbulent strength decreases, twisted parameters increase and coherence slows down.
177. In the field of underwater acoustic communications, the intersymbol interference caused by multipath effects will make the reliability and the rate of the propagation of underwater acoustic signals.
178. The technique of in vitro culture and rapid propagation of seedling production of Cinnamomum camphora var.
179. In this test , axillary buds of Melastoma dodecandrum were collected as explants studied on tissue culture and rapid propagation.
180. The evolution of the spectrum shows that spectrum splitting and spectral shift occur during the propagation in anomalously dispersive media.
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