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Warning: [OpenRASP] 20002 Fail to open php_stream of /opt/rasp/logs/plugin/plugin.log.2024-11-23! in /www/wwwroot/ppbbu/5678977.com/index.php on line 55 chemical purification是什么意思，chemical purification的翻译，chemical purification音标、读音、用法和例句_加林查网西语词典
Nuclear pure natural flake graphite has been obtained by chemical purification process. 用化學提純工藝制出了核純天然石墨粉；
Answer: want first choice, remaking sand, through the magnetic separation, flotation or chemical purification, silica be 95 percent. 答：先要精選，再制砂後，經磁選、浮選或化學提純後，二氧化矽能達到95%。
The investment and purification cost of chemical purification method is considered lower in producing feed grade, industrial grade, food grade phosphate by using WPA; 認爲，用溼法磷酸制飼料級、工業級和食品級磷酸鹽産品，採用新化學淨化溼法磷酸投資少，淨化成本低；