Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/73ca1473ab7ef90191c0100cd93715fc.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 alkali-earth例句_alkali-earth英汉例句_alkali-earth双解例句_果味酸柯林斯词典
Rare earth luminescence materials of alkaline earth stannates have also been prepared via thermal decomposition of hydroxo stannate precursors. 利用某些新型带羟基的碱土锡酸盐作为前驱体，固相反应合成掺稀土的锡酸盐发光材料。