Fluoride is one of the ingredients of Glister Multi - Action Fluoride Toothpaste.丽齿健?素牙膏亦含有氟这一种成份.Fluoride injury often is characterized by tip burn of leaves.氟化物危害的特点是叶片顶尖灼燃现象.A method of producing crystal sodium fluori...
Fluoride damage is generally restricted to areas near manufacturing plants.氟化物的危害一般局限在制造厂的附近.It'shows a thousandfold selectivity for fluoride over other common anions.它对氟离子的选择性比其它普通阴离子高几千倍.Fluoride injury often is c...
这就是一根芒刺.That was the insect sting.为了加强电极电晕效果, 提出了用芒刺电极代替栅网电极.In order to strengthen corona effect, arista electrode used as substitute for grid electrode was presented....