论文部分内容阅读
磷灰岩是生产磷肥的主要原料,从事磷灰岩运输作业的工人经常接触高浓度的磷灰岩粉尘。虽然磷灰岩的生物学活性很低,但它进入体内后可释放出游离氟。机体对氟的吸收增加,可导致严重的急、慢性损害。在
Phosphorus limestone is the main raw material for producing phosphate fertilizer. Phosphorite transport workers often have high levels of phosphorus dust particles. Although its biological activity is very low, it releases free fluoride when it enters the body. The body’s absorption of fluorine increases, can lead to serious acute and chronic damage. in