chemical purification
常见例句
- 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; 返回 chemical purification