PEG的加入有助于提高发光强度，是因为降低了羟基的荧光淬灭。
The luminescent strength is improved owing to decrease the fluorescence quenching of hydroxyl group when PEG is incorporated.
球形颗粒荧光粉的光散射面积最小，堆积密度大，有助于提高发光材料的发光强度和使用寿命。
Spherical particles have minimum scattering area, high packing density; which is beneficial to the luminescent intensity and lifetime of the devices.
同时，利用正交实验探讨了合成工艺条件对荧光粉相对发光强度的影响。
The effect of the synthetic conditions on the relative luminescence intensity was discussed with orthogonal test.
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