| 1. | X-radiography has sometimes been used with success to detect bedding structures and bioturbation in apparently uniform sandstone . X射线照片有时已成功地用来发现外表均一的砂岩中的层次构造和生物扰动。 |
| 2. | Standard reference radiographs for tin bronze castings 锡青铜铸件用参考射线照片 |
| 3. | Standard reference radiographs for ductile iron castings 球墨铁铸件的参考射线照片 |
| 4. | Standard reference radiographs for steel fusion welds 钢熔焊连接用标准参考射线照片 |
| 5. | Standard reference radiographs for titanium castings 钛铸件用基准x射线照片 |
| 6. | Standard reference radiographs for examination of aluminum fusion welds 用于检验焊接中铝的标准参考射线照片 |
| 7. | Standard guide to interpretation of radiographs of semiconductors and related devices 半导体器件及有关器件的x射线照片说明的标准指南 |
| 8. | Standard reference radiographs for high - strength copper - base and nickel - copper alloy castings 高强度铜基和镍铜合金铸件用参考射线照片 |
| 9. | Standard guide for storage of radiographs and unexposed industrial radiographic films 射线照片和未曝光工业用射线照相胶片储存的标准指南 |
| 10. | Moreover , the x - ray image of m81 in picture may be used to find blackhole candidates 此外,我们也可利用m81的x射线照片图c来搜寻黑洞。 |