Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/a15b10c868e278ede61f068b7abe819a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 barium octahydrate例句_barium octahydrate英汉例句_barium octahydrate双解例句_94生活常识网有道词典
Using barium hydroxide octahydrate and urea as raw material, barium carbonate is prepared by homogeneous precipitation method. 以八水氢氧化钡和尿素为原料，采用均相沉淀法制备了碳酸钡粉体。