propagation造句
91. The external cause includes unfitting culture conditions, strain aging, unsuitable preservation and infection virus of asexuality propagation.
92. In this dissertation, based on analysis for the combustion in a constant volume combustion bomb, the parameters such as combustion delay period, combustion-flame propagation have been investigated.
93. He discussed the propagation of waves through the earth's interior.
94. A quasi-dimensional combustion model for motorcycle gasoline engines was established based on a combination of the turbulent flame propagation model and the reduced chemical kinetic model.
95. The critical event of cleavage is the propagation of a second phase particle-sized microcrack into the neighboring matrix.
96. A preliminary simulation of the air brake system of heavy haul train, the propagation characteristic of air wave in brake system of train and the effect of parameters on brake characteristic.
97. Mould, manufacturing cycle, the n back - propagation ( BP ) neural network, the mathmatical model.
98. There is no finite velocity of propagation, and we speak of a standing wave.
99. The various factors, such as noise, interference and fading, relating to radio wave propagation circuits, as well as the methods dealing with the factors are described.
100. A study of the propagation nature of the seismic wave shows that the wave equation migration method currently used incurs a neglectness of the influence of phase characteristic.
101. The propagation mode of crack is controlled by the size and distribution of hard phase particles.
102. Based on the Propagation Characteristics of electromagnetic wave, the propagation law is studied in the Precoat layered media in the article.
103. Finally, we can determine the propagation property of the crack at hole of ear plate connecting the masts and the cables according to the propagation velocity of the depth point and the surface point.
104. This paper advanced a study method that can observe plastic deformation behavior of surface layer of die cavity by showing austenite grain, size, crack morphology and propagation mode.
105. Firstly, the formal condition and the parameter characteristics of the atmospheric duct and the impact on the EM-wave propagation are studied.
106. Also, the idea of progress and its enthusiastic propagation may have some effect.
107. The results show that for 100 nodes, the star topology requires 3.8 times as much as fiber as a dual ring, but the average propagation delay of a dual ring is 3.3 times that of the star.
108. Results:With the change of the propagation environment, the density of the intermediate host of paragonimus and the infection rate of brook crab reduced significantly.
109. Simulated example illustrates the wave propagation in a dispersion medium.
110. Some proposals are provided for utilization and conservation of new cultivars, propagation, cultivation and landscape application of Melastomataceae.
111. Taking the visual image promotion of 2008 Beijing Olympic Games as the breakthrough point, it analyzed the visual image promotion and the propagation path of our country during the Olympic Games.
112. Compressive faults occurred after principal earthquake with slow variation in propagation and release of stress wave, this might lead to higher after shock intensity and longer duration.
113. In this paper, we study the propagation properties of radial symmetry beam array with the polarized distribution in the free space.
114. Background structure for CME propagation is obtained by the time relaxation method, which guarantees it stable and self-consistent.
115. Such rootstocks or cultivars were reproduced true to type by vegetative propagation.
116. The finite difference beam propagation method ( FD - BPM ) is used to design a device of 66 % MMI - converter - Combiners.
117. The sparker was originally developed for fundamental studies of underwater sound propagation and of subbottom geology.
118. To calculate the constraint propagation path, constraint matrix and constraint propagation matrix are formulated, then a new fast algorithm is presented to identify the constraint loop.
119. A conclusion that the acoustic emission rate depends mainly on the crack propagation rate is also verified by experiments .
120. Nonlocal elasticity theory, which considers microstructure effect, succeeded in studying wave propagation in solids when the wavelength approximates the lattice"s characteristic length."
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