<h1 style="font-size:24px;color:#333333;font-weight:normal;vertical-align:middle;font-family:"text-align:center;background-color:#FFFFFF;"> 发光可调制a-SiN<span style="font-size:18px;line-height:0;vertical-align:baseline;">x</span>O<span style="font-size:18px;line-height:0;vertical-align:baseline;">y</span>薄膜荧光量子效率的研究 </h1>