Thus the study of PbWO_4 crystal with high lightyield is paid considerable attention to develop its applications in medium and low energy such as PET detector.
因此，提高钨酸铅晶体的光产额以使其在PET装置等低能领域获得应用已成为近年来钨酸铅晶体的研究热点。
2
The motives of the experiment are two: one is to improve the quality of the crystal, to decrease the macroscopic defects and the other, to improve the lightyield of the crystal.
实验主要围绕提高晶体的质量、减小晶体宏观缺陷和提高晶体光输出性能两个方面进行。
3
Cerium-doped orthoaluminate(YAP:Ce) is a kind of scintillator with high lightyield and fast decay time, which makes it a good choice for applications in high-energy physics and medical imaging.