Objective:To obtain suitable digital radiologic exposure factors of CR and DR by measuring stability of their X-ray tube voltage and exposure time.
目的：通过测试数字成像设备的X线机管电压和曝光时间稳定性，探讨数字成像摄影条件的选择原则。
Optimize the environment factors to prepare PDLC films with the best quality, low threshold-voltage and high CR(contrast ratio).
最后优化工艺参数，制备出具有低阈值、高对比度的PDLC薄膜。
A new coloring method, alternating voltage passivation, was originated to obtain color films on stainless steel in Cr-free sulfuric acid solution.
提出了一种新的不锈钢着色方法——载波钝化着色，即在无铬的硫酸溶液中用载波钝化的电化学方法得到各种色彩的不锈钢表面。
应用推荐