1·These normally exceed sonic velocity with the consequence that the loom are noisy and consume considerable amount of energy.
通常使用的气流速度超过声速，其结果是织机噪声的提高和能耗的增加。
2·It presents obvious frequency dispersion effect and its sonic velocity increases along with the incident frequency increase.
岩体是具有多种微结构的复杂体，具有明显的频散效应。
3·Then the corresponding sonic velocity of the two-phase flow is determined by the void ratio, pressure and density of the liquid phase.
其对应的音速与汽液两相流体的空泡率、压力及液相密度等因素有关。
4·Experiments were carried out to investigate the sonic velocity of air-powder two-phase flow in a horizontal constant cross section duct.
实验研究了在水平等截面管道中空气-树脂粉两相流的音速。
5·Based on the forming principle of choking phenomenon, an approach is proposed to measure the sonic velocity of air-powder two-phase flow.
基于壅塞现象原理，提出了一种测量气粉两相流音速的新方法。
6·On the basis of a two-phase flow sonic velocity a gas-solid two-phase flow shock-wave model was set up, and calculations and analyses were performed.
建立了基于两相流音速的气固两相流激波模型，并进行了计算分析。
7·The spinnability and drawability of PMMA/PET blends were studied. The orientation and crystallization structure were measured by sonic velocity method and X-ray diffraction respectively.
研究了PMMA/PET共混纤维的可纺性和拉伸性，并测定了拉伸丝的力学性能、取向和结晶结构。
8·When the radial component of the vapour velocity and the axial variation of the vapour temperature were neglected, the error of the sonic limit is within 10 per cent.
结果表明：忽略加热段内蒸汽温度的轴向变化及蒸汽流动的径向变化，钠热管声速限与实际误差在10%以内。 理论与实验较为吻合。
9·Sonic logging has been seldom applied in average velocity field, owing to some limits of data collection and defection of sonic logging.
在平均速度场研究中很少利用声波测井资料，这是因为声波测井资料本身的缺陷所致。
10·It shows that density has a better linear relation with different reservoir parameters, but the relation of sonic interval transit time or velocity with reservoir parameters is very complicated.
这说明密度与各储层参数之间具有较好的线性关系，而声波时差或速度与储层参数之间的相互关系要复杂得多。