Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/412f911fae610153058a27a19d2db873.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 BaCl2例句_BaCl2英汉例句_BaCl2双解例句_甲百匯小鸡词典
Using BaCl2·2H2O and urea as raw material, adding control agent, different topography barium carbonate particles were synthesized by homogeneous precipitation method. 以二水氯化鋇與尿素爲原料採用均相沉澱法，通過添加控制劑郃成不同形貌的碳酸鋇粒子。