通过化学絮凝, 活性炭吸咐及离子交换得容易将它们除去.They are removed more readily by chemical flocculation, activated carbon absorption and ion exchange.通过这种方法加速的过程称为絮凝.This process is enhanced through the operation known as flocculation.在制备箱中,絮...
Ore minerals in the Colorado - type deposits are of uraninite and coffinite, with associated vanadium and minerals.科罗拉多型矿床中的铀矿物为晶质铀矿和水硅铀矿, 与之共生的还有钒,铜矿物....
一群大象缓慢而笨拙地穿过平原，朝水潭走去。A herd of elephants lolloped across the plains towards a watering hole.北美大平原上曾有过7,000万头野牛。Once there were 70 million buffalo on the plains.索尔兹伯里平原在古代被称为Ellendune。Salisbury Plain was known anciently a...