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- Impulse,vibration and noise are ordinary troubles in hydraulic system,which is an available measure to reduce impulse noise while wave attenuator is used in the system. 液压系统的冲击、振动和噪声是系统中常见的弊端,采用消波器是减小系统冲击噪声的有效方法。
- The effect of dichroic and retarded quarter wave plate in the experiment are discussed by the analysis to the fringe of photoelastic strains. 通过光弹性应力条纹的分析,具体讨论1/4波片具有延迟差和二向色性时对本试验的影响.
- Under the condition of total reflection can be achievd a quarter wave plate in single waveleugth or wide wave length by means of matching a prism with a single layer or multilayer dielectic thin film. 在全反射条件下;用单层或多层电介质薄膜与?镜匹配;可以实现单波长或宽波段的1/4波片.
- Influence of Acoustic Wave Attenuation on the Properties of Fiber AOTF[J]. 引用该论文 厉群;刘小明;李佟;金韬;周炳琨.
- The millimeter wave attenuation of expanded graphite is a comprehensive actions of scattering and absorption. 膨胀石墨蠕虫对毫米波的衰减为散射和吸收作用的综合结果。
- Wave attenuation properties of rectangular pontoon breakwater were analyzed with eigen-function expansion. 利用特征函数法对矩形浮箱式防浪堤的消浪性能进行分析。
- RF Coupling Loop Design for Superconducting Quarter Wave Resonator 超导四分之一波长谐振腔高频功率磁耦合器物理设计
- The rent is due at the end of each quarter. 缴纳租金以每季度末为期限。
- In this method, Stoneley wave attenuation from AC log is divided into two parts: attenuation through porous media and percolation attenuation through pore-fluid. 该方法把由声波测井数据得到的斯通利波衰减分为介质内衰减和孔隙流体渗流衰减两部分。
- Our team held its own after the first quarter. 我们队和对手在开始的四分之一场里打了个平手。
- The thicker the shell of a warhead, the larger the attenuation exponential, and more promptly the peak pressure of explosive air shock wave attenuates with the distance. 结果表明,爆炸空气冲击波峰值随距离的衰减指数与壳体厚度近似成线性关系。
- The macroscopic epicenters distribute along Huangnitan, the meizoseismal area is small and the seismic wave attenuates fast, which reflects the sources are shallow. 震群的宏观震中位于郭家坝镇黄泥滩一带,极震区较小、地震波衰减较快,反映出该微震群的浅源特点。
- However, radio waves attenuate as they move out from the transmitting antenna. 然而,无线电波随者从传送的天线向外移动而衰减。
- The dividend pay is equivalent to one quarter of the pretax profit. 所付股息相当于税前利润的四分之一。
- Experimental Comparison of Efficiency of Initial Shock Wave Attenuator 起始冲击波抑制器抑制效率的比较实验研究
- We pay our rent at the end of each quarter. 我们於每个季度末付房租。
- The moon is in its last quarter. 月球现处於下弦。
- Researches on niobium-sputtered superconducting quarter wave resonator 铜铌溅射超导四分之一波长谐振腔的研究
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。