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- It presents qualitative evaluation method of flaw combined with the position of flaw and welding procedure through analysis of typical flaws and its character of reflected wave as well as wave's forms of flaws. 通过对超声波探伤中典型缺陷及其反射波特征和缺陷波形的分析,结合缺陷的位置和焊接工艺,给出了焊缝超声波探伤中缺陷的定性评估方法。
- character of reflection wave 反射波特征
- The LED Cluster with the high quality LED cup, LED Cluster has the good character of reflection, corrosion prevention, dust prevention and leakage prevention. LED射灯选用优质灯杯,反光性好,耐腐蚀,防尘,防漏电。
- Conventional seismic data processing method uses hyperbolic equation to describe time-distance formula of reflection wave, error of this equation increases with the increase of heterogeneity, anisotropy and spread length. 常规地震资料处理方法是利用双曲线方程来描述反射波时距曲线规律,此方程随着地层非均质性、各向异性和排列长度的增加,其误差变大。
- The Characters of Amplitude Spectrum of Reflected Wave and the Design of Pre-amplifier in Seismic Instrument 反射波振幅谱特征与地震仪前置放大器设计
- Based on the propagation theory of the longitudinal wave in the pile, the present paper presents a technique for determining such parameters as back-and-forth time of reflection wave and apparent reflection coefficient. 摘要本文以纵波在杆中传播的理论为根据,介绍一种用于确定反射波往返时及视反射系数等参数的方法。
- Using the homophase property of reflection wave flexibly and meticulously, the method can increase the signal noise ratio, purify the background and modify the time section, so that the resulte... 它灵活细致地利用反射波的同相性来提高信噪比、净化背景、修饰时间剖面。使最终的时间剖面得到了进一步改善。
- Using the characteristics of pulse echo singal during the probe adjustment, a relation model between angle of incidence and time-domain eigenvalue of reflect wave signals was proposed. 分析了探头调整时脉冲回波信号的变化特点,在实验的基础上构建了声束入射角与表面波时域特征值间的关系模型。
- These deeds reflect the character of our people. 这些行为反应了我们人民的品质。
- The calculation of reflection and transmission coefficients shows that on the interface,incident fast P wave will generate three kinds of reflection waves and three kinds of transmission waves,namely,qP 1,converted qSV and converted qP 2 waves. 计算表明 ;快纵波在双相横向各向同性介质分界面上 ;要产生反射快纵波、反射转换 qSV波、反射转换慢纵波和透射快纵波、透射转换qSV波、透射转换慢纵波 .
- The positive or negative character of a proposition. 命题的性质命题的肯定或否定的性质
- A brief introduction is made on the application of reflected wave method in tunnel lining air cavity detection for the discharge tunnel of Fengtinghe reservoir. 简要介绍了反射波法在凤亭河水库放水隧洞工程中衬砌空穴检测的应用情况,并结合施工开挖资料对应用效果进行评价。
- An anomalous character of reflectivity of resonance active medium is analysed theoretically based on the treatment of nonlinear optical susceptibility of two level atomic system. 基于二能级原子系统的极化率理论,对共振激活介质界面的反常反射特性作了理论分析。
- The law of reflection holds good for all surfaces. 反射定律对一切表面都适用。
- Hamlet endued the character of a madman. 哈姆雷特装疯卖傻。
- Prof Tu's words are worthy of reflection. 杜教授这一席话,是值得反思的。
- The state or character of being promiscuous. 混乱,杂乱混乱的状态或特点
- The shape and energy distribution of direct wave is mainly influenced by drift,while the energy distribution of reflected wave is influenced mainly by the interface between coal and rock. 巷道对各道直达波能量分布及波列形状有明显影响 ; 煤岩分界面主要影响反射波能量分布。
- The future character of the Republic is in the air. 共和国的未来性质尚在未定之天。
- A reflected wave received by a radio or radar. 反射波收音机或雷达接收到的反射波