transition metal impurity 过渡金属杂质
magnetic metal impurity [材] 磁性金属杂质
heavy metal impurity 重金属杂质
alkali metal impurity 碱金属杂质
metal impurity contamination 金属杂质玷污
Used to separate the metal impurity in material, adopt to feed works, grain oil process works;
用于分离原料中的磁性金属杂质，适用于饲料厂、粮油加工厂等；
Meanwhile, the recovery of phosphorus is quite high in the process without foreigh-metal impurity and pollution.
同时，工艺过程中可获得较高的磷收率，且无其它有害杂质及金属元素引入其中，不产生环境污染。
Three deterioration factors of fire resistant hydraulic oil, temperature, water content and metal impurity were studied.
通过正交试验分析了温度、水分、金属杂质三因素对抗燃油劣化速度的影响。
应用推荐