By using the survey data in changchun city , the model was validated and the relative error between the theoretical and observed value of the stop - wave velocity is 3 . 85 % 利用长春市的调查数据标定了模型，得到停车波波速理论值与实测值之间的相对误差为3 . 85 % 。
Are contrary to this ; the longitudinal and transversal wave velocities in different directions increase with the increase of salinity , while changes of the parameters of rock velocity anisotropy 减小2随着矿化度的增加，岩石纵横波速度增大，各向异性参数
Identifying the maximum wave velocity , the actual capacity can be calculated . the maximum wave velocity can be determined upon the data in low density 采用本文的公式计算实际通行能力时，只需要根据实测数据确定最大波速，而低密度的数据足以确定最大波速。
In the meantime , fracture developing frequency of fuyu oil pay zone is analyzed and calculated by using ratio of vertical wave velocity “ crocodile factor ” method 同时，运用纵波波速的比值“龟裂系数”方法对扶余油层储层的裂缝发育频率进行了分析、计算。
The study provides basic detection theory and practicel engineering experiences for popalarizing surface wave velocity method to detect dry density of compacted rock - fill layer in practice 本项试验为推广应用稳态面波法检测干密度值提供了理论依据和工程实践经验。
In numerical simulations , the maximum wave velocity is the only identification parameter . with the traditional models , the model in the paper is more convenient 武汉理工大学博士学位论文在数值实验中，需要识别的参数只有最大波速，与其它模型比较，使用更加方便。
Since mechanical properties of a material are closely associated with wave velocities , piezoelectric sensors provid a reliable and non - destructive method for the determination of soil properties 由于材料的物理性质与波速密切相关，压电陶瓷传感器提供了一种简便可靠的无损检测方法。
The effects of water ratio , crack , strain and temperature on the acoustic wave velocity in granite samples were investigated systematically by means of tico , an ultrasonic concrete tester 摘要应用超声波混凝土测试仪( tico ) ，系统研究了含水率、裂纹、应力和温度对花岗岩内波速传播的影响。
All subjects underwent spirometry , measurement of aortic pulse wave velocity ( pwv ) and augmentation index , dual - energy x - ray absorptiometry , and blood sampling for inflammatory mediators 所有的研究对象接受肺量测定法，测量主动脉脉冲速度和增强指数，双能x线吸收仪和采集血样分析炎性介质。
The new vascular health test equipment uses advanced technology to assess arterial wall stiffness using pulse wave velocity ( pwv ) and occlusion through the ankle brachial index ( abi ) 血管健康测试仪器透过量度上肢及下肢血管的血压，以计算pwv及abi读数，分别量度出血管弹性程度和血管阻塞程度，更准确了解血管之健康状况。
