| 1. | Analysis on errors of measuring residual stress in glass - ceramic with x - ray diffraction
射线法测量微晶玻璃残余应力的误差分析 |
| 2. | Study on electromagnetic scattering characteristics for complex target using shooting and bouncing rays
用射线法研究复杂目标的电磁散射特征 |
| 3. | Determination of particle size distribution by centrifugal liquid sedimentation methods - centrifugal x - ray method
用离心液体沉淀法测定粒度分布.离心x射线法 |
| 4. | Based on unsymmetrical heat environment , boresight error , boresight error slope and transmission coefficient of a specific shape radome have been calculated with indirect ray method
在不对称热环境的基础上,采用间接射线法计算天线罩瞄准误差、瞄准误差斜率及功率传输系数。 |
| 5. | Non destructive testing - radiographic examination of concrete , reinforced concrete , prestressed concrete materials by x - and gamma rays - examples of radiographs with their interpretation
无损检验.采用x射线和射线法对混凝土钢筋混凝土预应力混凝土材料作射线照相检查.带说明的射线照片范例 |
| 6. | The ray - intersection method is used to determine the nesting level of contours in the same layer , and the contours match relationship between two adjacent layers is established according to contours geometry comparability and relative position fixity
使用射线法确定同层轮廓间的关系，并在此基础上，提出根据相邻层轮廓间的几何相似性和相对位置不变性等特征，确定相邻层轮廓之间匹配关系。 |
| 7. | Optical field intensity has been simulated by beam transmission method ( bpm ) , bend loss has been calculated by used of the method of conformal transformations , gain has been accounted by the method of lines , and different curved optical waveguides have been compared in the last
采用bpm软件模拟光场在弯曲波导中的分布,用保角变换和射线法计算其弯曲损耗及增益,最后对不同结构的弯曲波导进行比较。 |
| 8. | Owing to the limitation of the ray method in analyzing the field distribution and transmit power of optical waves in fibers we decide to apply waveguide theory for analyzing dcf with truncated inner cladding in an at tempt to find out the divergences of different types of dcf with truncated inner cladding in absorption efficiency in unit distance
由于射线法在分析光波在光纤中的场分布、传播功率等情况时有其局限性，因此，文章改用波动理论对缺陷型内包层双包层光纤进行分析，试图找出不同类型的缺陷型内包层双包层光纤单位距离内吸收效率的差异。 |
| 9. | There are several methods that are usually applied in engineering practice to examine structure stress : resistance variation method , barkhousen noise method , x radial method and ultrasonic method , etc . with comparasion to others , the ultrasonic method is acknowledged to be one of the most promising non - damaging inspection method in structural stress measurement filed for its fine sensitivity , veracity and good operation features
工程实践中常用于应力检测的方法有电阻应变法、巴克豪森法、 x射线法和超声波法等。同其它检测方法相比,超声波应力检测法具有灵敏度高、准确性好及可操作性强等优点,从而成为一种公认为最有前途的无损检测方法。 |
| 10. | The radiation patterns at different scan angle from - 20 to 20 degree are presented , and the angle difference between the maximum / minimum field points of their main beam shows the bse of the radome . at different frequencies , the radiation from the antenna has been discussed when azimuth scan angle ranges between - 20 degree and 20 degree . the relationship between
200 ~ 200范围内天线的和方向远区场、方位差方向远区场;得到方位瞄准误差、瞄准误差斜率和功率传输系数随扫描角和入射波频率的变化关系;并将所得数据与文献数据进行比较,表明间接射线法简单、有效且精度较高。 |
